/* ============================================================
   CBT TEST PLATFORM — PREMIUM DESIGN SYSTEM (v3.0)
   Apple-Inspired Luxury Dark & Crisp Light Theme System
   ============================================================ */

/* ── 1. Design Tokens (Default: Luxury Deep Dark) ───────────── */
:root, [data-theme="dark"] {
  color-scheme: dark;
  /* Brand Primary (Warm Amber / Gold) */
  --primary:         #F59E0B;
  --primary-hover:   #D97706;
  --primary-active:  #FBBF24;
  --primary-light:   rgba(245, 158, 11, 0.15);
  --primary-subtle:  rgba(245, 158, 11, 0.08);
  --primary-glow:    rgba(245, 158, 11, 0.3);

  /* Apple Luxury Surfaces in Dark Mode */
  --bg-page:         #000000;
  --bg-section:      #0B0B0D;
  --bg-body:         #0B0B0D;
  --surface:         #121214;
  --surface-raised:  #18181B;
  --surface-subtle:  rgba(255, 255, 255, 0.04);
  --card-bg:         #121214;
  --card-bg-raised:  #18181B;
  --border:          rgba(255, 255, 255, 0.08);
  --border-subtle:   rgba(255, 255, 255, 0.04);
  --border-strong:   rgba(255, 255, 255, 0.16);
  --border-focus:    #F59E0B;

  /* Glassmorphism Frosted Bars */
  --glass-bg:        rgba(11, 11, 13, 0.82);
  --glass-border:    rgba(255, 255, 255, 0.1);
  --glass-blur:      blur(20px);

  /* Text Hierarchy */
  --text-main:       #FFFFFF;
  --text-body:       #E4E4E7;
  --text-muted:      #A1A1A6;
  --text-faint:      #71717A;
  --text-inverse:    #0F172A;
  --text-on-primary: #0F172A;

  /* Theme-Aware Slates in Dark Mode */
  --slate-900:       #FFFFFF;
  --slate-800:       #F4F4F5;
  --slate-700:       #E4E4E7;
  --slate-600:       #D4D4D8;
  --slate-500:       #A1A1A6;
  --slate-400:       #71717A;
  --slate-300:       #52525B;
  --slate-200:       rgba(255, 255, 255, 0.12);
  --slate-100:       rgba(255, 255, 255, 0.06);
  --slate-50:        rgba(255, 255, 255, 0.03);

  /* Semantic Feedback */
  --success:         #10B981;
  --success-hover:   #34D399;
  --success-light:   rgba(16, 185, 129, 0.15);
  --success-subtle:  rgba(16, 185, 129, 0.08);

  --error:           #EF4444;
  --error-hover:     #F87171;
  --error-light:     rgba(239, 68, 68, 0.15);
  --error-subtle:    rgba(239, 68, 68, 0.08);

  --warning:         #F59E0B;
  --warning-light:   rgba(245, 158, 11, 0.15);

  --info:            #3B82F6;
  --info-light:      rgba(59, 130, 246, 0.15);
  --info-subtle:     rgba(59, 130, 246, 0.08);

  /* CBT Official Palette States */
  --cbt-not-visited:    #71717A;
  --cbt-not-answered:   #EF4444;
  --cbt-answered:       #10B981;
  --cbt-marked-review:  #8B5CF6;
  --cbt-ans-review:     #6366F1;

  /* Spacing Scale */
  --sp-1: 4px;   --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 20px;  --sp-6: 24px;  --sp-8: 32px;  --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px;

  /* ── Fluid Spacing & Responsive Layout Tokens ── */
  --page-pad:        clamp(12px, 2.5vw, 32px);
  --card-pad:        clamp(14px, 2vw, 24px);
  --gap-xs:          clamp(4px, 1vw, 8px);
  --gap-sm:          clamp(8px, 1.5vw, 12px);
  --gap-md:          clamp(12px, 2vw, 20px);
  --gap-lg:          clamp(16px, 2.5vw, 28px);
  --gap-xl:          clamp(20px, 3vw, 36px);
  --touch-target-min: 44px;

  /* Typography Scale */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono:   'Consolas', 'Monaco', 'Courier New', monospace;

  --text-xs:   12px;
  --text-sm:   13px;
  --text-base: 14px;
  --text-md:   15px;
  --text-lg:   16px;
  --text-xl:   18px;
  --text-2xl:  22px;
  --text-3xl:  26px;
  --text-4xl:  32px;

  /* Component Heights */
  --nav-height:     64px;
  --sidebar-width:  255px;
  --btn-h-sm:       34px;
  --btn-h-md:       42px;
  --btn-h-lg:       48px;

  /* Border Radii */
  --radius-xs:  4px;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-full: 9999px;

  /* Shadows in Dark Mode */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 16px 36px -10px rgba(0, 0, 0, 0.8);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.9);

  /* Universal Semantic Aliases */
  --bg:              var(--bg-page);
  --surface-2:       var(--surface-raised);
  --text:            var(--text-body);
  --danger:          var(--error);
  --danger-hover:    var(--error-hover);
  --danger-light:    var(--error-light);

  /* Apple Luxury Design Bridge (Dark Mode) */
  --apple-bg-base:           var(--bg-page);
  --apple-bg-section:        var(--bg-section);
  --apple-bg-card:           var(--card-bg);
  --apple-card-bg:           var(--card-bg);
  --apple-border:            var(--border);
  --apple-text-title:        var(--text-main);
  --apple-text-body:         var(--text-body);
  --apple-text-muted:        var(--text-muted);
  --apple-text-faint:        var(--text-faint);
  --apple-card-shadow:       var(--shadow-md);
  --apple-badge-bg:          rgba(255, 255, 255, 0.06);
  --apple-table-card-bg:     var(--card-bg);
  --apple-table-border:      var(--border);
  --apple-table-th-border:   var(--border);
  --apple-table-head-bg:     rgba(255, 255, 255, 0.03);
  --apple-table-th-feature:  var(--text-muted);
  --apple-table-th-free:     var(--text-main);
  --apple-table-tbody-text:  var(--text-body);
  --apple-table-row-border:  var(--border-subtle);
  --apple-banner-radial:     radial-gradient(circle at 50% 30%, rgba(245, 158, 11, 0.12), transparent 70%), var(--bg-section);
  --apple-search-placeholder:var(--text-muted);
  --apple-btn-sec-bg:        rgba(255, 255, 255, 0.08);
  --apple-btn-sec-color:     var(--text-main);
  --apple-studio-q-text:     var(--text-main);
}

/* ── Light Mode Token Overrides ──────────────────────────────── */
[data-theme="light"] {
  color-scheme: light;
  /* Brand Primary */
  --primary:         #F59E0B;
  --primary-hover:   #D97706;
  --primary-active:  #B45309;
  --primary-light:   #FEF3C7;
  --primary-subtle:  #FFFBEB;
  --primary-glow:    rgba(245, 158, 11, 0.25);

  /* Crisp Light Surfaces */
  --bg-page:         #F8FAFC;
  --bg-section:      #FFFFFF;
  --bg-body:         #F8FAFC;
  --bg-body-subtle:  #F1F5F9;
  --surface:         #FFFFFF;
  --surface-raised:  #FFFFFF;
  --surface-subtle:  #F1F5F9;
  --card-bg:         #FFFFFF;
  --card-bg-raised:  #FFFFFF;
  --border:          #E2E8F0;
  --border-subtle:   #F1F5F9;
  --border-strong:   #CBD5E1;
  --border-focus:    #F59E0B;

  /* Glassmorphism Frosted Bars */
  --glass-bg:        rgba(255, 255, 255, 0.92);
  --glass-border:    #E2E8F0;
  --glass-blur:      blur(20px);

  /* Text Hierarchy */
  --text-main:       #0F172A;
  --text-body:       #334155;
  --text-muted:      #64748B;
  --text-faint:      #94A3B8;
  --text-inverse:    #FFFFFF;
  --text-on-primary: #0F172A;

  /* Slate Scale in Light Mode */
  --slate-900:       #0F172A;
  --slate-800:       #1E293B;
  --slate-700:       #334155;
  --slate-600:       #475569;
  --slate-500:       #64748B;
  --slate-400:       #94A3B8;
  --slate-300:       #CBD5E1;
  --slate-200:       #E2E8F0;
  --slate-100:       #F1F5F9;
  --slate-50:        #F8FAFC;

  /* Semantic Feedback */
  --success:         #10B981;
  --success-hover:   #059669;
  --success-light:   #D1FAE5;
  --success-subtle:  #ECFDF5;

  --error:           #EF4444;
  --error-hover:     #DC2626;
  --error-light:     #FEE2E2;
  --error-subtle:    #FEF2F2;

  --warning:         #F59E0B;
  --warning-light:   #FEF3C7;

  --info:            #3B82F6;
  --info-light:      #DBEAFE;
  --info-subtle:     #EFF6FF;

  /* CBT Official Palette States */
  --cbt-not-visited:    #94A3B8;
  --cbt-not-answered:   #EF4444;
  --cbt-answered:       #10B981;
  --cbt-marked-review:  #8B5CF6;
  --cbt-ans-review:     #6366F1;

  /* Shadows in Light Mode */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);

  /* Universal Semantic Aliases */
  --bg:              var(--bg-page);
  --surface-2:       var(--surface-raised);
  --text:            var(--text-body);
  --danger:          var(--error);
  --danger-hover:    var(--error-hover);
  --danger-light:    var(--error-light);

  /* Apple Luxury Design Bridge (Light Mode) */
  --apple-bg-base:           var(--bg-page);
  --apple-bg-section:        var(--bg-section);
  --apple-bg-card:           var(--card-bg);
  --apple-card-bg:           var(--card-bg);
  --apple-border:            var(--border);
  --apple-text-title:        var(--text-main);
  --apple-text-body:         var(--text-body);
  --apple-text-muted:        var(--text-muted);
  --apple-text-faint:        var(--text-faint);
  --apple-card-shadow:       var(--shadow-sm);
  --apple-badge-bg:          var(--surface-subtle);
  --apple-table-card-bg:     var(--card-bg);
  --apple-table-border:      var(--border);
  --apple-table-th-border:   var(--border);
  --apple-table-head-bg:     var(--surface-subtle);
  --apple-table-th-feature:  var(--text-muted);
  --apple-table-th-free:     var(--text-main);
  --apple-table-tbody-text:  var(--text-body);
  --apple-table-row-border:  var(--border);
  --apple-banner-radial:     radial-gradient(circle at 50% 30%, rgba(245, 158, 11, 0.08), transparent 70%), #FFFFFF;
  --apple-search-placeholder:var(--text-muted);
  --apple-btn-sec-bg:        var(--surface-subtle);
  --apple-btn-sec-color:     var(--text-main);
  --apple-studio-q-text:     var(--text-main);
}

/* ── Form Controls & Native Picker Theme Standardization ── */
input[type="date"],
input[type="datetime-local"],
input[type="time"],
select {
  color-scheme: light;
  background-color: var(--surface, #FFFFFF) !important;
  color: var(--text-main, #0F172A) !important;
  border: 1px solid var(--border, #E2E8F0);
}

[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="datetime-local"],
[data-theme="dark"] input[type="time"],
[data-theme="dark"] select {
  color-scheme: dark;
  background-color: var(--surface, #121214) !important;
  color: var(--text-main, #FFFFFF) !important;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.12));
}

input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.8;
  filter: invert(0);
}

[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
}

.live-quiz-runner-wrap {
  background: var(--bg-page, #F8FAFC) !important;
  color: var(--text-main, #0F172A) !important;
}

[data-theme="dark"] .live-quiz-runner-wrap {
  background: var(--bg-page, #000000) !important;
  color: var(--text-main, #FFFFFF) !important;
}

/* ── 2. Reset & Global Styles ────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  min-height: 100%;
  overflow-x: hidden !important;
  max-width: 100% !important;
  width: 100%;
  box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden !important;
  max-width: 100% !important;
  width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
  flex: 1 0 auto;
}

#app-view {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Fluid image & media containment */
img, svg, video, canvas, audio, iframe, embed, object {
  max-width: 100%;
  height: auto;
  box-sizing: border-box;
}

body.route-cbt,
body.route-preview {
  height: 100vh;
  height: 100dvh;
  overflow: hidden !important;
}

body.route-solution {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

@media (max-width: 860px) {
  body.route-solution {
    height: 100vh !important;
    height: 100dvh !important;
    overflow: hidden !important;
  }
}

a {
  color: var(--primary-hover);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--primary-active);
}

img, svg {
  vertical-align: middle;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ── 3. App Frame & Router Layouts ───────────────────────────── */
#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  width: 100%;
  flex: 1 0 auto;
}

#app-view {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Initial Full-page Loader */
.app-initial-loader {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
}
.loader-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 900;
  color: var(--text-on-primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}
.loader-text {
  font-size: var(--text-base);
  color: var(--text-muted);
  font-weight: 500;
}

/* ── 4. Public Header Navigation ─────────────────────────────── */
.pub-nav {
  height: var(--nav-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-xs);
}
.pub-nav-inner {
  max-width: 1240px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pub-nav .brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 20px;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.5px;
}
.pub-nav .brand span {
  color: var(--primary-hover);
}
.brand-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--primary-light);
  color: var(--primary-active);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.5px;
}
.pub-nav .nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-left: var(--sp-8);
}
.pub-nav .nav-links a {
  padding: 7px 12px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--slate-600);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all 0.15s ease;
}
.pub-nav .nav-links a:hover {
  color: var(--slate-900);
  background: var(--slate-100);
}
.pub-nav .nav-links a.active {
  color: var(--primary-active);
  background: var(--primary-light);
}
.pub-nav .nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
}
.hamburger {
  display: none;
  padding: var(--sp-2);
  border-radius: var(--radius-sm);
  color: var(--slate-700);
}
.mobile-nav-right {
  display: none;
}

/* ── 5. Standard Button System ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--btn-h-md);
  padding: 0 18px;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
  transition: all 0.15s ease-in-out;
  line-height: 1;
  text-decoration: none !important;
}
.btn:active:not(:disabled) {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}
.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Sizing Modifiers */
.btn-sm {
  height: var(--btn-h-sm);
  padding: 0 12px;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}
.btn-sm svg {
  width: 14px;
  height: 14px;
}
.btn-lg {
  height: var(--btn-h-lg);
  padding: 0 24px;
  font-size: var(--text-md);
  border-radius: var(--radius-md);
}
.btn-lg svg {
  width: 18px;
  height: 18px;
}
.btn-icon {
  width: var(--btn-h-md);
  height: var(--btn-h-md);
  padding: 0;
  border-radius: var(--radius-sm);
}
.btn-icon.btn-sm {
  width: var(--btn-h-sm);
  height: var(--btn-h-sm);
}

/* Variant Styles */
.btn-primary {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: #E69500;
  box-shadow: 0 1px 2px rgba(245, 158, 11, 0.3);
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  color: var(--text-on-primary);
}

.btn-secondary {
  background: var(--surface);
  color: var(--slate-700);
  border-color: var(--border);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--slate-50);
  color: var(--slate-900);
  border-color: var(--slate-300);
}

.btn-outline {
  background: transparent;
  color: var(--primary-active);
  border-color: var(--primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--primary-light);
  color: var(--primary-active);
}

.btn-dark {
  background: var(--slate-900);
  color: var(--text-inverse);
  border-color: var(--slate-900);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.2);
}
.btn-dark:hover:not(:disabled) {
  background: var(--slate-800);
  color: var(--text-inverse);
}

.btn-ghost {
  background: transparent;
  color: var(--slate-600);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--slate-100);
  color: var(--slate-900);
}

.btn-success {
  background: var(--success);
  color: #FFFFFF;
  border-color: var(--success-hover);
}
.btn-success:hover:not(:disabled) {
  background: var(--success-hover);
  color: #FFFFFF;
}

.btn-danger {
  background: var(--error);
  color: #FFFFFF;
  border-color: var(--error-hover);
}
.btn-danger:hover:not(:disabled) {
  background: var(--error-hover);
  color: #FFFFFF;
}

/* ── 6. Form Controls & Inputs ───────────────────────────────── */
.form-group {
  margin-bottom: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--slate-700);
}
.form-label .required {
  color: var(--error);
  margin-left: 2px;
}
.form-control {
  width: 100%;
  height: var(--btn-h-md);
  padding: 0 14px;
  font-size: var(--text-base);
  color: var(--text-main);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-control::placeholder {
  color: var(--slate-400);
}
.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--error);
  font-weight: 500;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}
@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── 7. Card Components ──────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--card-pad, clamp(14px, 2vw, 24px));
  box-shadow: var(--shadow-sm);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--slate-900);
}

/* Stat Tile Cards */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  box-shadow: var(--shadow-xs);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-card .stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.stat-card .stat-icon svg {
  width: 20px;
  height: 20px;
}
.stat-card .stat-icon.yellow { background: var(--primary-light); color: var(--primary-active); }
.stat-card .stat-icon.green  { background: var(--success-light); color: var(--success-hover); }
.stat-card .stat-icon.blue   { background: var(--info-light); color: var(--info); }
.stat-card .stat-icon.red    { background: var(--error-light); color: var(--error); }

.stat-card .stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1;
}
.stat-card .stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

/* ── 8. Status Badges & Pills ────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  line-height: 1.2;
  white-space: nowrap;
}
.badge-yellow { background: var(--primary-light); color: var(--primary-active); }
.badge-green  { background: var(--success-light); color: var(--success-hover); }
.badge-red    { background: var(--error-light); color: var(--error-hover); }
.badge-blue   { background: var(--info-light); color: var(--info); }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }
[data-theme="light"] .badge-purple { background: #EDE9FE; color: #7C3AED; }
.badge-gray   { background: var(--slate-100); color: var(--slate-600); border: 1px solid var(--border); }
.badge-dark   { background: var(--slate-900); color: var(--text-inverse); }

/* ── 9. Table Styles ─────────────────────────────────────────── */
.table-wrap,
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  box-sizing: border-box;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
thead {
  background: var(--slate-50);
  border-bottom: 1px solid var(--border);
}
th {
  padding: 12px 16px;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--slate-500);
  white-space: nowrap;
}
td {
  padding: 14px 16px;
  font-size: var(--text-base);
  color: var(--slate-700);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:last-child td {
  border-bottom: none;
}
tr:hover td {
  background: var(--slate-50);
}

/* ── 10. Student Portal Layout ───────────────────────────────── */
.layout-portal {
  display: flex;
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-body);
}

/* Portal Sidebar */
.portal-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-section);
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  flex-shrink: 0;
  z-index: 100;
  border-right: 1px solid var(--border);
  transition: background 0.2s ease, border-color 0.2s ease;
  position: sticky;
  top: 0;
}

@media (min-width: 1024px) {
  .portal-layout,
  .layout-portal {
    display: block !important;
    width: 100% !important;
    padding-left: var(--sidebar-width) !important;
    position: relative !important;
    box-sizing: border-box !important;
  }
  .portal-sidebar {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    height: 100vh !important;
    height: 100dvh !important;
    width: var(--sidebar-width) !important;
    flex-shrink: 0 !important;
    overflow-y: auto !important;
    z-index: 100 !important;
    margin: 0 !important;
  }
  .portal-content-wrap {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
}
.sidebar-brand {
  height: var(--nav-height);
  padding: 0 var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  border-bottom: 1px solid var(--border);
}
.sidebar-brand .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: var(--text-on-primary);
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--primary-glow);
}
.sidebar-brand .logo-text {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}
.sidebar-brand .logo-text small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

.sidebar-nav {
  padding: var(--sp-4) var(--sp-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  text-decoration: none !important;
}
.sidebar-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}
.sidebar-item:hover {
  color: var(--text-main);
  background: var(--surface-subtle);
}
.sidebar-item.active {
  color: var(--text-on-primary) !important;
  background: var(--primary) !important;
  font-weight: 800;
  box-shadow: 0 3px 12px var(--primary-glow);
}
.sidebar-item.active svg {
  opacity: 1;
  color: var(--text-on-primary) !important;
}

.sidebar-footer {
  padding: var(--sp-4);
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease;
}
.sidebar-user:hover {
  background: var(--surface-subtle);
}
.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--text-on-primary);
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sidebar-user-info {
  flex: 1;
  min-width: 0;
}
.sidebar-user-info .name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-info .role {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Portal Content Area */
.portal-content-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.portal-topbar {
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: var(--shadow-xs);
}
.portal-topbar .topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}
.portal-topbar .topbar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.portal-topbar .topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.portal-main {
  padding: var(--sp-8);
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* ── Sidebar & Layout Theme Specializations ──────────────────── */
[data-theme="light"] .admin-sidebar,
[data-theme="light"] .portal-sidebar {
  background: #FFFFFF !important;
  border-right: 1px solid #E2E8F0 !important;
  color: #475569 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-brand,
[data-theme="light"] .portal-sidebar .sidebar-brand {
  border-bottom: 1px solid #E2E8F0 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-brand .logo-text,
[data-theme="light"] .portal-sidebar .sidebar-brand .logo-text {
  color: #0F172A !important;
}
[data-theme="light"] .admin-sidebar .sidebar-brand .logo-text small,
[data-theme="light"] .portal-sidebar .sidebar-brand .logo-text small {
  color: #64748B !important;
}
[data-theme="light"] .admin-sidebar .sidebar-section-label {
  color: #94A3B8 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-item,
[data-theme="light"] .portal-sidebar .sidebar-item {
  color: #475569 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-item:hover,
[data-theme="light"] .portal-sidebar .sidebar-item:hover {
  color: #0F172A !important;
  background: #F1F5F9 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-item.active,
[data-theme="light"] .portal-sidebar .sidebar-item.active {
  color: #0F172A !important;
  background: var(--primary) !important;
  font-weight: 800;
}
[data-theme="light"] .admin-sidebar .sidebar-footer,
[data-theme="light"] .portal-sidebar .sidebar-footer {
  border-top: 1px solid #E2E8F0 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-user:hover,
[data-theme="light"] .portal-sidebar .sidebar-user:hover {
  background: #F1F5F9 !important;
}
[data-theme="light"] .admin-sidebar .sidebar-user-info .name,
[data-theme="light"] .portal-sidebar .sidebar-user-info .name {
  color: #0F172A !important;
}
[data-theme="light"] .admin-sidebar .sidebar-user-info .role,
[data-theme="light"] .portal-sidebar .sidebar-user-info .role {
  color: #64748B !important;
}
[data-theme="light"] .admin-sidebar .sidebar-user svg,
[data-theme="light"] .portal-sidebar .sidebar-user svg,
[data-theme="light"] .sidebar-logout-icon svg {
  color: #64748B !important;
}

/* Dark Mode Sidebar Specifics */
[data-theme="dark"] .admin-sidebar,
[data-theme="dark"] .portal-sidebar,
:root:not([data-theme="light"]) .admin-sidebar,
:root:not([data-theme="light"]) .portal-sidebar {
  background: #0B0B0D !important;
  border-right: 1px solid rgba(255, 255, 255, 0.08) !important;
  color: #A1A1A6 !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-brand,
[data-theme="dark"] .portal-sidebar .sidebar-brand,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-brand,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-brand {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-brand .logo-text,
[data-theme="dark"] .portal-sidebar .sidebar-brand .logo-text,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-brand .logo-text,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-brand .logo-text {
  color: #FFFFFF !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-section-label,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-section-label {
  color: #71717A !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-item,
[data-theme="dark"] .portal-sidebar .sidebar-item,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-item,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-item {
  color: #A1A1A6 !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-item:hover,
[data-theme="dark"] .portal-sidebar .sidebar-item:hover,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-item:hover,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-item:hover {
  color: #FFFFFF !important;
  background: rgba(255, 255, 255, 0.06) !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-item.active,
[data-theme="dark"] .portal-sidebar .sidebar-item.active,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-item.active,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-item.active {
  color: #0F172A !important;
  background: var(--primary) !important;
  font-weight: 800;
  box-shadow: 0 4px 14px var(--primary-glow) !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-footer,
[data-theme="dark"] .portal-sidebar .sidebar-footer,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-footer,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-user:hover,
[data-theme="dark"] .portal-sidebar .sidebar-user:hover,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-user:hover,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-user:hover {
  background: rgba(255, 255, 255, 0.06) !important;
}
[data-theme="dark"] .admin-sidebar .sidebar-user-info .name,
[data-theme="dark"] .portal-sidebar .sidebar-user-info .name,
:root:not([data-theme="light"]) .admin-sidebar .sidebar-user-info .name,
:root:not([data-theme="light"]) .portal-sidebar .sidebar-user-info .name {
  color: #FFFFFF !important;
}

/* Universal Theme-Adaptive Modal Styling */
.modal-overlay, .modal-backdrop {
  position: fixed !important;
  inset: 0 !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  z-index: 99999 !important;
  background: rgba(0, 0, 0, 0.72) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  box-sizing: border-box !important;
  overflow-y: auto !important;
}
.modal, .modal-content, .modal-dialog, .modal-box {
  background: var(--surface) !important;
  color: var(--text-body) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8) !important;
  box-sizing: border-box !important;
}
.modal-header {
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-main) !important;
}
.modal-footer {
  border-top: 1px solid var(--border) !important;
  background: var(--slate-50) !important;
}
.modal-title, .modal-header h3, .modal-header h2, .modal-header h4 {
  color: var(--text-main) !important;
}
.modal .form-label {
  color: var(--text-main) !important;
}
.modal .form-control {
  background: var(--surface) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-strong) !important;
}
.modal .form-control:focus {
  border-color: var(--primary) !important;
}
.modal select.form-control optgroup,
.global-parent-select optgroup {
  background: var(--surface-raised, #18181B) !important;
  color: var(--primary) !important;
  font-weight: 700;
}
.modal select.form-control option,
.global-parent-select option {
  background: var(--surface, #121214) !important;
  color: var(--text-main, #FFFFFF) !important;
}
.global-parent-search {
  background: var(--surface-raised, #18181B) !important;
  color: var(--text-main, #FFFFFF) !important;
  border-color: var(--border-strong) !important;
}
.move-preview-card {
  background: var(--surface-subtle, rgba(255, 255, 255, 0.04)) !important;
  border-color: var(--border-strong) !important;
}

/* ── 11. CBT Exam Interface (Successwala CBT / Official Standard) ────── */
.layout-cbt {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-page);
  color: var(--text-body);
  overflow: hidden;
  position: fixed;
  inset: 0;
  z-index: 1000;
}

/* CBT Top Bar */
.cbt-header {
  height: 56px;
  background: var(--bg-section);
  color: var(--text-main);
  padding: 0 var(--sp-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--primary);
  flex-shrink: 0;
}
.cbt-exam-title {
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text-main);
}
.cbt-exam-sub {
  font-size: 11px;
  color: var(--text-muted);
}
.cbt-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.cbt-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.cbt-header-icon-btn {
  height: 34px;
  min-width: 34px;
  padding: 0 10px;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}
.cbt-header-icon-btn:hover {
  background: var(--surface);
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* Section Tabs */
.cbt-section-bar {
  height: 42px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--sp-5);
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  flex-shrink: 0;
}
.section-tab-btn {
  height: 32px;
  padding: 0 14px;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.section-tab-btn:hover {
  border-color: var(--primary);
  color: var(--text-main);
}
.section-tab-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: #D97706;
}

/* CBT Split Body */
.cbt-body {
  flex: 1 1 auto;
  min-height: 0; /* CRITICAL: Enables proper flex shrinking & scrolling */
  display: grid;
  grid-template-columns: 1fr 340px;
  overflow: hidden;
  background: var(--bg-page);
}

/* Left Pane: Question Area */
.cbt-question-pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0; /* CRITICAL: Enables proper flex shrinking & scrolling */
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  overscroll-behavior-y: contain;
  padding: var(--sp-6) var(--sp-8);
  border-right: 1px solid var(--border);
  background: var(--surface);
}
.cbt-question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border);
  flex-wrap: nowrap;
}
.cbt-q-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}
.cbt-q-badge {
  font-size: 12px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.cbt-q-badge.q-num {
  background: var(--surface-subtle);
  color: var(--text-main);
  border: 1px solid var(--border);
}
.cbt-q-badge.q-pos {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}
.cbt-q-badge.q-neg {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}
.cbt-q-badge.q-time {
  background: rgba(8, 145, 178, 0.1);
  color: #0891B2;
  border: 1px solid rgba(8, 145, 178, 0.25);
}

.cbt-q-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  margin-left: auto;
}
.cbt-action-icon-btn {
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.cbt-action-icon-btn:hover {
  background: var(--surface);
  border-color: var(--primary);
}
.cbt-action-icon-btn.saved {
  color: #0891B2;
  border-color: #0891B2;
  background: rgba(8, 145, 178, 0.12);
}
.cbt-action-icon-btn.report {
  color: #DC2626;
}
.cbt-action-icon-btn.report:hover {
  border-color: #DC2626;
  background: rgba(220, 38, 38, 0.08);
}
.cbt-seg-lang {
  display: inline-flex;
  height: 32px;
  border: 1.5px solid var(--primary);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0;
  white-space: nowrap;
}
.cbt-seg-btn {
  border: none;
  background: transparent;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 800;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.12s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cbt-seg-btn:hover {
  color: var(--text-main);
}
.cbt-seg-btn.active {
  background: var(--primary);
  color: #0F172A;
  font-weight: 900;
}
.q-number-pill {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--text-main);
}
.q-marks-pill {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background: var(--surface-subtle);
  color: var(--text-muted);
}
.q-marks-pill.positive {
  color: var(--success-hover);
  background: var(--success-light);
}

.cbt-lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  overflow: hidden;
}
.cbt-lang-btn {
  height: 28px;
  padding: 0 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface-subtle);
}
.cbt-lang-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
}

.q-text-content {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-main);
  margin-bottom: var(--sp-6);
  user-select: none;
}

/* Option Cards */
.cbt-options-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.cbt-option-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.cbt-option-card:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
}
.cbt-option-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 2px var(--primary-glow);
}
.option-key-circle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-strong);
  color: var(--text-muted);
  font-weight: 800;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}
.cbt-option-card.selected .option-key-circle {
  background: var(--primary);
  border-color: var(--primary-hover);
  color: var(--text-on-primary);
}
.option-text {
  font-size: var(--text-md);
  color: var(--text-main);
  line-height: 1.5;
  flex: 1;
}

/* Right Pane: Question Palette & Status */
.cbt-sidebar-pane {
  background: var(--surface);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  border-left: 1px solid var(--border);
  position: static;
  width: 340px;
}
.cbt-candidate-box {
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.cbt-candidate-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  overflow: hidden;
  flex-shrink: 0;
}

/* CBT Drawer Top Actions (Symbols & Instructions) */
.cbt-drawer-top-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 8px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.cbt-drawer-link-btn {
  background: none;
  border: none;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.15s ease;
}
.cbt-drawer-link-btn:hover {
  background: var(--surface-subtle);
  color: var(--primary-hover);
}
.mobile-only-palette-close {
  display: none;
}

/* CBT Testbook Status Legend Card */
.cbt-drawer-legend-card {
  margin: 10px 16px;
  padding: 10px 14px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.legend-row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.legend-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.legend-dot.answered      { background: #10B981; }
.legend-dot.not-answered   { background: #EF4444; }
.legend-dot.not-visited    { background: #94A3B8; }
.legend-dot.marked-review  { background: #8B5CF6; }

/* Testbook Style Palette Grid */
.cbt-palette-grid-testbook {
  padding: 10px 16px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  flex: 1;
  align-content: start;
}
.palette-btn-testbook {
  aspect-ratio: 1 / 1;
  width: 100%;
  min-height: 36px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  user-select: none;
}
.palette-btn-testbook:hover {
  transform: scale(1.06);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.palette-btn-testbook:active {
  transform: scale(0.94);
}

/* Question Palette Button States */
.palette-btn-testbook.answered {
  background: #10B981 !important;
  color: #FFFFFF !important;
  border-color: #059669 !important;
}
.palette-btn-testbook.not-answered {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border-color: #DC2626 !important;
}
.palette-btn-testbook.not-visited {
  background: #E2E8F0 !important;
  color: #334155 !important;
  border-color: #CBD5E1 !important;
}
[data-theme="dark"] .palette-btn-testbook.not-visited {
  background: #1E293B !important;
  color: #94A3B8 !important;
  border-color: #334155 !important;
}
.palette-btn-testbook.marked-review {
  background: #8B5CF6 !important;
  color: #FFFFFF !important;
  border-color: #7C3AED !important;
}
.palette-btn-testbook.ans-review {
  background: #6366F1 !important;
  color: #FFFFFF !important;
  border-color: #10B981 !important;
  position: relative;
}
.palette-btn-testbook.ans-review::after {
  content: '✓';
  position: absolute;
  top: -3px;
  right: -3px;
  background: #10B981;
  color: #FFFFFF;
  border-radius: 50%;
  width: 12px;
  height: 12px;
  font-size: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.palette-btn-testbook.active-q {
  border: 2px solid var(--primary) !important;
  box-shadow: 0 0 0 2.5px rgba(245, 158, 11, 0.4) !important;
  font-weight: 900 !important;
}
.palette-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 10px solid #06B6D4;
  border-left: 10px solid transparent;
  border-top-right-radius: 5px;
}

/* Drawer Bottom Sticky Submit */
.cbt-drawer-bottom-submit {
  margin-top: auto;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.cbt-btn-submit-drawer {
  width: 100%;
  background: #5A738E;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 800;
  padding: 10px 14px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: background 0.15s ease;
}
.cbt-btn-submit-drawer:hover {
  background: #475569;
}

/* Desktop Defaults for Palette Drawer Components */
@media (min-width: 769px) {
  #cbt-palette-toggle,
  #sol-palette-toggle {
    display: none !important;
  }
  .cbt-palette-backdrop,
  .solution-palette-backdrop {
    display: none !important;
  }
  .mobile-only-palette-close {
    display: none !important;
  }
  .cbt-sidebar-pane {
    position: static !important;
    transform: none !important;
    display: flex !important;
    width: 340px !important;
    height: 100% !important;
    box-shadow: none !important;
  }
}

/* Bottom Dock Action Bar */
.cbt-footer {
  height: 60px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  box-shadow: 0 -2px 8px rgba(15, 23, 42, 0.05);
  z-index: 20;
}
.cbt-footer-left, .cbt-footer-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Timer Display */
.cbt-timer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 800;
  color: #FFFFFF;
}
.cbt-timer-badge.warning {
  background: #B45309;
  color: #FEF3C7;
}
.cbt-timer-badge.danger {
  background: #B91C1C;
  color: #FFFFFF;
  animation: pulseWarning 1s infinite;
}
@keyframes pulseWarning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ── 12. Toast System ────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  z-index: 9999;
}
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: var(--slate-900);
  color: #FFFFFF;
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: 600;
  min-width: 280px;
  max-width: 420px;
  animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.success { background: #065F46; border-left: 4px solid var(--success); }
.toast.error   { background: #991B1B; border-left: 4px solid var(--error); }
.toast.warning { background: #92400E; border-left: 4px solid var(--warning); }
.toast.info    { background: var(--slate-900); border-left: 4px solid var(--info); }
.toast-out {
  animation: toastSlideOut 0.2s forwards;
}
@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}
@keyframes toastSlideOut {
  to   { transform: translateX(100%); opacity: 0; }
}

/* ── 13. Modals ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5000;
  padding: var(--sp-4);
  animation: modalFadeIn 0.15s ease;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: min(96vw, 560px);
  box-sizing: border-box;
  border: 1px solid var(--border);
  overflow: hidden;
  animation: modalScaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-header {
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--slate-900);
  word-break: break-word;
}
.modal-body {
  padding: var(--sp-6);
  max-height: calc(88vh - 80px);
  overflow-y: auto;
  overflow-x: hidden;
  word-break: break-word;
  box-sizing: border-box;
}
.modal-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--border);
  background: var(--slate-50);
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
}
@keyframes modalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes modalScaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ── 14. Responsive Rules ────────────────────────────────────── */
@media (max-width: 1023px) {
  .layout-portal {
    flex-direction: column;
  }
  .portal-sidebar {
    display: none;
  }
  .portal-sidebar.mobile-open {
    display: flex;
    position: fixed;
    inset: 0;
    width: 280px;
    z-index: 100;
  }
}

@media (max-width: 768px) {
  .pub-nav .nav-links,
  .pub-nav .nav-actions {
    display: none !important;
  }
  .pub-nav .hamburger {
    display: flex !important;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .cbt-footer {
    padding: 0 var(--sp-3);
  }
  .cbt-footer-left .btn, .cbt-footer-right .btn {
    padding: 0 10px;
    font-size: 12px;
  }
}

/* ── 15. Premium Hero & Public Components ────────────────────── */
.hero-premium {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #0F172A 100%);
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  color: #FFFFFF;
}
.hero-premium::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* Floating Mock Test Preview Card in Hero */
.hero-preview-card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(245, 158, 11, 0.2);
  position: relative;
}
.hero-floating-badge {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--primary);
  color: var(--text-on-primary);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px var(--primary-glow);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: #10B981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 1.5s infinite;
}
@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Category Filter Pills */
.category-pills-bar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}
.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--slate-700);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.cat-pill:hover {
  border-color: var(--primary);
  color: var(--slate-900);
}
.cat-pill.active {
  background: var(--slate-900);
  color: #FFFFFF;
  border-color: var(--slate-900);
}

/* Premium Mock Test Card */
.test-card-premium {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.test-card-premium:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.test-card-premium .test-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 8px;
}
.test-card-premium .test-title {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.4;
  margin-bottom: 8px;
}
.test-card-premium .test-meta-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: var(--text-xs);
  color: var(--slate-500);
  padding: 10px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin: 12px 0 16px;
}
.test-card-premium .test-syllabus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.syllabus-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  background: var(--slate-100);
  color: var(--slate-600);
}

/* Proficiency Progress Meter in Student Dashboard */
.prof-meter-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.prof-meter-item:last-child {
  border-bottom: none;
}
.prof-meter-bar {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--slate-100);
  overflow: hidden;
  position: relative;
}
.prof-meter-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

/* ── 16. Admin Panel Layout & Components ─────────────────────── */
.layout-admin {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-page);
  color: var(--text-body);
  width: 100%;
}

.admin-sidebar {
  width: var(--sidebar-width);
  background: var(--slate-900);
  color: var(--slate-300);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
  z-index: 100;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 1024px) {
  .layout-admin {
    padding-left: var(--sidebar-width);
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 100vw;
    min-width: 0;
    overflow-x: hidden;
  }
  .admin-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: var(--sidebar-width) !important;
  }
  .admin-body {
    flex: 1;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
}
.admin-sidebar::-webkit-scrollbar,
.portal-sidebar::-webkit-scrollbar {
  width: 4px;
}
.admin-sidebar::-webkit-scrollbar-track,
.portal-sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.admin-sidebar::-webkit-scrollbar-thumb,
.portal-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
.admin-sidebar::-webkit-scrollbar-thumb:hover,
.portal-sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

.admin-sidebar .sidebar {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.admin-sidebar .sidebar-brand {
  height: var(--nav-height);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.admin-sidebar .sidebar-brand .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: var(--text-on-primary);
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-sidebar .sidebar-brand .logo-text {
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
}
.admin-sidebar .sidebar-brand .logo-text small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--slate-400);
}

.admin-sidebar .sidebar-section {
  padding: 0 10px;
  margin-bottom: 8px;
}
.admin-sidebar .sidebar-section-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--slate-500);
  padding: 10px 12px 4px;
}

.admin-sidebar .sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-400);
  border-radius: var(--radius-sm);
  margin: 2px 0;
  transition: all 0.15s ease;
  text-decoration: none !important;
}
.admin-sidebar .sidebar-item:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}
.admin-sidebar .sidebar-item.active {
  color: var(--text-on-primary) !important;
  background: var(--primary) !important;
  font-weight: 800;
  box-shadow: 0 2px 8px var(--primary-glow);
}
.admin-sidebar .sidebar-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.admin-sidebar .sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.admin-sidebar .sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease;
  color: var(--slate-300);
  overflow: hidden;
}
.admin-sidebar .sidebar-user:hover {
  background: rgba(255, 255, 255, 0.06);
}
.admin-sidebar .sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--error);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.admin-sidebar .sidebar-user-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.admin-sidebar .sidebar-user-info .name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.admin-sidebar .sidebar-user-info .role {
  font-size: 11px;
  color: var(--slate-400);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: capitalize;
  line-height: 1.2;
}
.admin-sidebar .sidebar-user svg,
.sidebar-user svg,
.sidebar-logout-icon svg {
  width: 18px !important;
  height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  flex-shrink: 0;
  color: var(--slate-400);
  transition: all 0.15s ease;
}
.admin-sidebar .sidebar-user:hover svg,
.sidebar-user:hover svg,
.sidebar-logout-icon:hover svg {
  color: #F87171 !important;
  transform: translateX(2px);
}
.sidebar-logout-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
  transition: background 0.15s ease;
}
.sidebar-user:hover .sidebar-logout-icon {
  background: rgba(239, 68, 68, 0.15);
}


.admin-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-page);
  color: var(--text-body);
}

.admin-topbar {
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: var(--shadow-xs);
}
.admin-topbar .flex-between {
  width: 100%;
}
.admin-topbar h1,
.admin-topbar .text-xl {
  color: var(--text-main);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.admin-topbar p,
.admin-topbar .text-secondary {
  color: var(--text-muted);
}

.admin-main {
  padding: var(--sp-6) var(--sp-8);
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  background-color: var(--bg-page);
  color: var(--text-body);
  box-sizing: border-box;
  min-width: 0;
  overflow-x: hidden;
}
@media (min-width: 1024px) and (max-width: 1280px) {
  .admin-main {
    padding: var(--sp-4) var(--sp-5);
  }
}

/* Apple-Inspired Luxury Cards & Tables for Admin */
.layout-admin .card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-body);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.layout-admin .card:hover {
  border-color: var(--border-strong);
}

.layout-admin .card-title,
.layout-admin h1,
.layout-admin h2,
.layout-admin h3,
.layout-admin h4,
.layout-admin h5,
.layout-admin h6 {
  color: var(--text-main);
}

.layout-admin .table-wrap {
  background-color: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.layout-admin table {
  background-color: transparent;
  color: var(--text-body);
  width: 100%;
  border-collapse: collapse;
}

.layout-admin thead,
.layout-admin thead tr {
  background-color: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
}

.layout-admin th {
  background-color: var(--surface-subtle);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  padding: 13px 16px;
}

.layout-admin td {
  background-color: transparent;
  color: var(--text-body);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 16px;
  font-size: var(--text-base);
}

.layout-admin tr:hover td {
  background-color: var(--surface-subtle);
}

/* ── Admin Users Management Base Styles ────────────────────────── */
.admin-users-filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.admin-users-filter-bar .search-input-wrap {
  flex: 1;
  min-width: 250px;
}
.admin-users-filter-selects {
  display: flex;
  gap: 10px;
  align-items: center;
}
.admin-users-filter-selects select {
  width: 160px;
}
.layout-admin .admin-users-desktop-table,
.admin-users-desktop-table {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.admin-users-desktop-table table {
  width: 100%;
  min-width: 0;
  table-layout: auto;
  border-collapse: collapse;
}
.admin-users-desktop-table th,
.admin-users-desktop-table td {
  padding: 11px 12px !important;
  font-size: 13px !important;
  vertical-align: middle;
}
.admin-users-desktop-table th {
  white-space: nowrap;
  font-size: 11px !important;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.admin-users-desktop-table th:first-child,
.admin-users-desktop-table td:first-child {
  min-width: 160px;
  white-space: nowrap;
}
.admin-users-desktop-table th:nth-child(2),
.admin-users-desktop-table td:nth-child(2) {
  min-width: 140px;
}
.admin-users-desktop-table .badge {
  white-space: nowrap !important;
  word-break: normal !important;
  display: inline-block !important;
}

/* User & Contact cell ellipsis */
.admin-user-name-text {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.admin-user-email-text {
  max-width: 155px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}

@media (min-width: 1024px) and (max-width: 1180px) {
  .admin-users-desktop-table th,
  .admin-users-desktop-table td,
  .table-wrap th,
  .table-wrap td {
    padding: 8px 8px !important;
  }
  .admin-users-desktop-table th:first-child,
  .admin-users-desktop-table td:first-child {
    min-width: 130px !important;
  }
  .admin-users-desktop-table th:nth-child(2),
  .admin-users-desktop-table td:nth-child(2) {
    min-width: 125px !important;
  }
  .admin-user-name-text {
    max-width: 110px !important;
  }
  .admin-user-email-text {
    max-width: 120px !important;
  }
  .admin-users-desktop-table th.col-hide-compact,
  .admin-users-desktop-table td.col-hide-compact,
  .table-wrap th.col-hide-compact,
  .table-wrap td.col-hide-compact {
    display: none !important;
  }
}

/* ── Modern Admin Table Action Buttons & More (⋮) Menu ─────────── */
.admin-table-action-cell {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-wrap: nowrap;
}

.admin-act-btn {
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  padding: 4px 8px !important;
  border-radius: 6px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 3px !important;
  text-decoration: none !important;
  transition: all 0.15s ease !important;
}

.admin-act-more-btn {
  width: 26px !important;
  min-width: 26px !important;
  height: 26px !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 6px !important;
  border: 1px solid var(--border-strong) !important;
  background: var(--surface) !important;
  color: var(--text-main) !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  flex-shrink: 0 !important;
}
.admin-act-more-btn:hover,
.admin-act-more-btn.active {
  background: var(--surface-subtle) !important;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
  box-shadow: 0 0 0 2px var(--primary-glow) !important;
}
.admin-act-more-icon {
  font-size: 15px !important;
  line-height: 1 !important;
  font-weight: 900 !important;
  user-select: none;
}

/* Floating Portal Dropdown attached directly to document.body (Never Clipped!) */
.admin-action-dropdown-portal {
  position: fixed;
  z-index: 99999;
  min-width: 175px;
  max-width: 260px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.2);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  animation: adminDropdownFadeIn 0.14s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

@keyframes adminDropdownFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.admin-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  background: transparent;
  border: none;
  border-radius: 6px;
  text-align: left;
  text-decoration: none !important;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
  box-sizing: border-box;
  font-family: inherit;
}
.admin-dropdown-item:hover,
.admin-dropdown-item:focus {
  background: var(--surface-subtle);
  color: var(--text-main);
  outline: none;
}
.admin-dropdown-item.danger-item {
  color: #EF4444 !important;
}
.admin-dropdown-item.danger-item:hover {
  background: rgba(239, 68, 68, 0.12) !important;
  color: #DC2626 !important;
}
.admin-dropdown-icon {
  font-size: 13.5px;
  line-height: 1;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.admin-dropdown-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}
.layout-admin .admin-users-mobile-cards,
.admin-users-mobile-cards,
.layout-admin .admin-exams-mobile-cards,
.admin-exams-mobile-cards,
.layout-admin .admin-live-tests-mobile-cards,
.admin-live-tests-mobile-cards,
.layout-admin .admin-ca-mobile-cards,
.admin-ca-mobile-cards,
.layout-admin .admin-ed-mobile-cards,
.admin-ed-mobile-cards {
  display: none;
}

.layout-admin .form-control {
  background-color: var(--surface);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.layout-admin .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.layout-admin .form-label {
  color: var(--text-main);
  font-weight: 600;
}

.layout-admin .stat-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
}

.layout-admin .stat-value {
  color: var(--text-main);
  font-weight: 800;
}

.layout-admin .stat-label {
  color: var(--text-muted);
  font-weight: 600;
}

/* Admin Utility Classes */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

@media (max-width: 1023px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  body.admin-sidebar-open {
    overflow: hidden !important;
    touch-action: none !important;
  }
  .admin-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.2s ease;
  }
  .admin-sidebar-backdrop.active {
    display: block !important;
    opacity: 1 !important;
  }
  .admin-sidebar {
    display: none;
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    touch-action: pan-y !important;
  }
  .admin-sidebar.open {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: min(290px, 85vw) !important;
    max-width: 320px !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    touch-action: pan-y !important;
    z-index: 9999 !important;
    box-shadow: 4px 0 35px rgba(0,0,0,0.65) !important;
  }
  .admin-sidebar-inner {
    min-height: 100%;
    display: flex;
    flex-direction: column;
  }
  #admin-menu-toggle { display: inline-flex !important; }
  .mobile-portal-toggle { display: inline-flex !important; }
  .portal-sidebar { display: none; }
  .portal-sidebar.mobile-open {
    display: flex !important;
    position: fixed !important;
    inset: 0 auto 0 0 !important;
    z-index: 9999 !important;
    box-shadow: 0 0 50px rgba(0,0,0,0.5) !important;
  }
  .portal-topbar, .admin-topbar { padding: 0 var(--page-pad); }
  .portal-main, .admin-main { padding: var(--page-pad); }
}
@media (max-width: 767px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }

  /* Mobile-friendly Data Tables, Filters, and Modals */
  .table-wrap,
  .layout-admin .table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    display: block !important;
    border-radius: var(--radius-sm) !important;
  }
  .table-wrap table,
  .layout-admin table {
    min-width: 820px !important;
  }
  .filter-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .filter-bar .search-input-wrap,
  .filter-bar select,
  .filter-bar input {
    width: 100% !important;
    max-width: 100% !important;
  }
  .modal {
    width: 95vw !important;
    max-width: 95vw !important;
    margin: 12px auto !important;
    max-height: 92vh !important;
    overflow-y: auto !important;
    padding: 16px !important;
  }
  .modal form div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  .table-wrap td .btn,
  .layout-admin table td .btn {
    white-space: nowrap !important;
    padding: 4px 8px !important;
    font-size: 11px !important;
  }
}

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }

.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-6 { padding: 24px; }

.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }

.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md { font-size: var(--text-md); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-secondary { color: var(--slate-500) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-slate-900, .text-dark, .text-main { color: var(--slate-900) !important; }
.text-slate-800 { color: var(--slate-800) !important; }
.text-slate-700 { color: var(--slate-700) !important; }
.text-slate-600 { color: var(--slate-600) !important; }
.text-slate-500 { color: var(--slate-500) !important; }
.text-slate-400 { color: var(--slate-400) !important; }
.text-emerald-600 { color: var(--success) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.w-full { width: 100%; }

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 320px;
}
.search-input-wrap svg {
  position: absolute;
  left: 14px;
  width: 16px;
  height: 16px;
  color: var(--slate-400);
  pointer-events: none;
}
.search-input-wrap .form-control {
  padding-left: 40px;
}

/* ── 17. Additional Utility Helpers ──────────────────────────── */
.stat-card .stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }
[data-theme="light"] .stat-card .stat-icon.purple { background: #EDE9FE; color: #7C3AED; }
.text-success { color: var(--success-hover) !important; }
.text-danger { color: var(--error-hover) !important; }
.py-1 { padding-top: 4px; padding-bottom: 4px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.px-1 { padding-left: 4px; padding-right: 4px; }
.px-2 { padding-left: 8px; padding-right: 8px; }
.px-3 { padding-left: 12px; padding-right: 12px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-col { display: flex; flex-direction: column; }

/* ── 18. Modal Dialog System ─────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--sp-4);
  animation: modalFadeIn 0.2s ease-out forwards;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalPopIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--slate-900);
}
.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: var(--slate-50);
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes modalPopIn {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── 19. Toast Notification System ───────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 10000;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: 420px;
}
.toast-out {
  opacity: 0;
  transform: translateY(12px) scale(0.95);
}
.toast svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.toast.success {
  background: #064E3B;
  color: #ECFDF5;
  border: 1px solid #059669;
}
.toast.success svg { color: #34D399; }
.toast.error {
  background: #7F1D1D;
  color: #FEF2F2;
  border: 1px solid #DC2626;
}
.toast.error svg { color: #F87171; }
.toast.warning {
  background: #78350F;
  color: #FFFBEB;
  border: 1px solid #D97706;
}
.toast.warning svg { color: #FBBF24; }
.toast.info {
  background: var(--slate-900);
  color: #FFFFFF;
  border: 1px solid var(--slate-700);
}
.toast.info svg { color: var(--primary); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(16px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── 20. Initial App Loader & Spinner ────────────────────────── */
.app-initial-loader {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--bg-page);
}
.loader-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: var(--text-on-primary);
  font-size: 28px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.spinner {
  border-radius: 50%;
  border-style: solid;
  border-color: rgba(245, 158, 11, 0.2);
  border-top-color: var(--primary);
  animation: appSpin 0.75s linear infinite;
}
.spinner-dark {
  border-color: rgba(15, 23, 42, 0.15);
  border-top-color: var(--slate-900);
}
.spinner-light {
  border-color: rgba(255, 255, 255, 0.2);
  border-top-color: #FFFFFF;
}
.loader-text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--slate-600);
}
@keyframes appSpin {
  to { transform: rotate(360deg); }
}

/* ── 21. Empty State Component ────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  width: 100%;
}
.empty-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--slate-100);
  color: var(--slate-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.empty-icon svg {
  width: 32px;
  height: 32px;
}
.empty-state h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 8px;
}
.empty-state p {
  font-size: var(--text-sm);
  color: var(--slate-500);
  max-width: 400px;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ── 22. Responsive Admin Sidebar Drawer for Mobile ──────────── */
@media (max-width: 1023px) {
  #admin-menu-toggle {
    display: inline-flex !important;
  }
  .admin-sidebar.open {
    display: flex !important;
    position: fixed !important;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    z-index: 9999;
    box-shadow: var(--shadow-xl);
  }
  .admin-topbar {
    padding: 0 var(--page-pad);
  }
  .admin-main {
    padding: var(--page-pad);
  }
}

/* ── 23. Testbook-Style Solution Mode UI ──────────────────────── */
.layout-solution {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-page, #F8FAFC);
  overflow: hidden;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}
.solution-header {
  min-height: 52px;
  height: auto;
  background: var(--surface, #FFFFFF);
  border-bottom: 1px solid var(--border);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  flex-shrink: 0;
  z-index: 20;
}
.solution-body {
  flex: 1 1 auto;
  min-height: 0; /* CRITICAL: Enables flex child shrinking and scroll boundary */
  display: flex;
  overflow: hidden;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}
.solution-content-pane {
  flex: 1 1 auto;
  min-height: 0; /* CRITICAL: Allows vertical scrolling of expanded solutions */
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  touch-action: pan-y;
  padding: 20px 28px calc(140px + env(safe-area-inset-bottom, 0px));
  background: var(--surface, #FFFFFF);
  box-sizing: border-box;
}
.solution-content-pane::-webkit-scrollbar {
  width: 5px;
}
.solution-content-pane::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.25);
  border-radius: 4px;
}
.solution-content-pane::-webkit-scrollbar-track {
  background: transparent;
}
.solution-sidebar-pane {
  width: 320px;
  background: var(--surface-subtle, #F8FAFC);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
  height: 100%;
  box-sizing: border-box;
}
.solution-footer {
  min-height: 58px;
  height: auto;
  background: var(--surface, #FFFFFF);
  border-top: 1px solid var(--border);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  flex-shrink: 0;
  z-index: 20;
}

/* ── Fixed Bottom Time Analysis & Pacing Panel ──────────────── */
.cbt-fixed-time-panel {
  position: fixed;
  bottom: calc(52px + env(safe-area-inset-bottom, 0px));
  left: 0;
  right: 320px; /* Aligned with test content container on desktop */
  z-index: 45;
  background: var(--surface, #FFFFFF);
  border-top: 1px solid var(--border, #E2E8F0);
  box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.05);
  padding: 6px 18px 8px;
  box-sizing: border-box;
  backdrop-filter: blur(8px);
  transition: right 0.2s ease, bottom 0.2s ease;
}

[data-theme="dark"] .cbt-fixed-time-panel {
  background: rgba(30, 41, 59, 0.98);
  border-top-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.35);
}

.cbt-fixed-time-panel.has-time-trap {
  border-top: 1.5px solid rgba(239, 68, 68, 0.55);
}

.cbt-ftp-inner {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cbt-ftp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cbt-ftp-title {
  display: flex;
  align-items: center;
  gap: 5px;
}

.cbt-ftp-icon {
  font-size: 13px;
  line-height: 1;
}

.cbt-ftp-title-text {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted, #64748B);
}

.cbt-ftp-trap-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(239, 68, 68, 0.14);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
  padding: 1px 8px;
  border-radius: 9999px;
  font-size: 10.5px;
  font-weight: 800;
}

.cbt-ftp-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: center;
}

.cbt-ftp-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.cbt-ftp-col-top {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  white-space: nowrap;
}

.cbt-ftp-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cbt-ftp-col-label {
  font-weight: 600;
  color: var(--text-muted, #64748B);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cbt-ftp-col-val {
  margin-left: auto;
  font-weight: 800;
  font-size: 11.5px;
  flex-shrink: 0;
}

.cbt-ftp-bar-track {
  width: 100%;
  height: 5px;
  background: rgba(148, 163, 184, 0.18);
  border-radius: 9999px;
  overflow: hidden;
}

.cbt-ftp-bar-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease;
}

/* Responsive Solution Layout for Mobile & Small Screens */
@media (max-width: 860px) {
  .layout-solution {
    height: 100vh !important;
    height: 100dvh !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    position: fixed !important;
    inset: 0 !important;
    z-index: 1000 !important;
    width: 100% !important;
  }
  .solution-body {
    flex: 1 1 auto !important;
    min-height: 0 !important; /* CRITICAL */
    overflow: hidden !important;
    display: flex !important;
    position: relative !important;
    width: 100% !important;
  }
  .solution-content-pane {
    width: 100% !important;
    flex: 1 1 auto !important;
    min-height: 0 !important; /* CRITICAL */
    padding: 16px 14px calc(140px + env(safe-area-inset-bottom, 0px)) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch !important;
    touch-action: pan-y !important;
    overscroll-behavior-y: contain !important;
  }
  .cbt-fixed-time-panel {
    right: 0 !important; /* Full width on mobile */
    bottom: calc(52px + env(safe-area-inset-bottom, 0px)) !important;
    padding: 5px 12px 6px !important;
  }
  .cbt-ftp-metrics {
    gap: 8px !important;
  }
  .cbt-ftp-col-top {
    font-size: 10.5px !important;
  }
  .cbt-ftp-col-label {
    font-size: 10px !important;
  }
  .cbt-ftp-col-val {
    font-size: 10.5px !important;
  }
  .cbt-ftp-bar-track {
    height: 4px !important;
  }
}

@media (max-width: 480px) {
  .cbt-ftp-title-text {
    font-size: 10px !important;
  }
  .cbt-ftp-trap-badge {
    font-size: 9.5px !important;
    padding: 1px 6px !important;
  }
  .cbt-ftp-col-label {
    max-width: 52px;
  }
}
  .solution-header {
    padding: 10px 12px !important;
  }
  .qp-top-banner {
    padding: 10px 14px !important;
  }
  .qp-sub-bar {
    padding: 8px 12px !important;
  }
  .solution-footer {
    padding: 10px 12px !important;
    justify-content: space-between !important;
    gap: 8px !important;
    position: sticky !important;
    bottom: 0 !important;
    z-index: 40 !important;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.12) !important;
  }
}

/* Touch swipe glide animations for questions */
@keyframes solSlideInRight {
  from { opacity: 0; transform: translateX(36px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes solSlideInLeft {
  from { opacity: 0; transform: translateX(-36px); }
  to { opacity: 1; transform: translateX(0); }
}
.sol-slide-in-right {
  animation: solSlideInRight 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}
.sol-slide-in-left {
  animation: solSlideInLeft 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}

/* Solution Top Bar Tags */
.status-tag-correct {
  background: #10B981;
  color: #FFFFFF;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.status-tag-wrong {
  background: #EF4444;
  color: #FFFFFF;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.status-tag-skipped {
  background: #94A3B8;
  color: #FFFFFF;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pill-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--slate-600);
}
.pill-stat strong {
  color: var(--slate-900);
}

.accuracy-pill-green {
  background: #10B981;
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

/* Re-attempt Banner */
.solution-reattempt-card {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
}
.solution-reattempt-card .title {
  font-size: 14px;
  font-weight: 800;
  color: #92400E;
}
.solution-reattempt-card .subtitle {
  font-size: 12px;
  color: #B45309;
  font-style: italic;
  margin-top: 2px;
}

/* View Solution Button */
.btn-view-solution {
  background: #FFFFFF;
  border: 1.5px solid #06B6D4;
  color: #0891B2;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}
.btn-view-solution:hover {
  background: #ECFEFF;
  border-color: #0891B2;
}

/* Submit Re-attempt Answer Button */
.btn-reattempt-submit {
  background: #00838F;
  border: 1.5px solid #00838F;
  color: #FFFFFF;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 13.5px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  box-shadow: 0 2px 6px rgba(0, 131, 143, 0.35);
}
.btn-reattempt-submit:hover {
  background: #006064;
  border-color: #006064;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 131, 143, 0.45);
}
.btn-reattempt-submit:active {
  transform: translateY(0);
}
.reattempt-feedback-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
}
.reattempt-feedback-pill.is-correct {
  background: #D1FAE5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}
.reattempt-feedback-pill.is-wrong {
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* Correct Option Highlight (Restrained Premium Accent) */
.cbt-option-card.correct-answer {
  background: rgba(16, 185, 129, 0.08) !important;
  border-color: #10B981 !important;
  color: var(--text-main) !important;
}
.cbt-option-card.correct-answer .option-key-circle {
  background: #10B981 !important;
  color: #FFFFFF !important;
  border-color: #10B981 !important;
}
.cbt-option-card.correct-answer .option-text {
  color: #065F46 !important;
  font-weight: 600;
}

/* User Wrong Pick (Restrained Premium Accent) */
.cbt-option-card.user-wrong {
  background: rgba(239, 68, 68, 0.06) !important;
  border-color: #EF4444 !important;
  color: var(--text-main) !important;
}
.cbt-option-card.user-wrong .option-key-circle {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border-color: #EF4444 !important;
}
.cbt-option-card.user-wrong .option-text {
  color: #991B1B !important;
  font-weight: 600;
}

/* Solution Breakdown Box */
.solution-box {
  margin-top: 24px;
  background: #FFFFFF;
  border-top: 2px solid #06B6D4;
  padding-top: 16px;
}
.solution-box-title {
  font-size: 14px;
  font-weight: 800;
  color: #0891B2;
  margin-bottom: 8px;
  display: inline-block;
  border-bottom: 2px solid #0891B2;
  padding-bottom: 2px;
}
.key-points-card {
  margin-top: 14px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
}
.key-points-card .kp-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 12px;
}
.key-points-card ul {
  padding-left: 20px;
  line-height: 1.7;
  font-size: 13.5px;
  color: var(--slate-800);
}
.key-points-card ul li {
  margin-bottom: 8px;
}

/* Palette Chips for Solution Mode */
.chip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  flex-shrink: 0;
}
.stat-chip {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  min-height: 25px;
}
.stat-chip.chip-correct {
  background: #10B981;
  color: #FFFFFF;
}
.stat-chip.chip-unattempted {
  background: #FFFFFF;
  border: 1px solid var(--slate-300);
  color: var(--slate-700);
}
.stat-chip.chip-wrong {
  background: #EF4444;
  color: #FFFFFF;
}
.stat-chip.chip-partial {
  background: #F59E0B;
  color: #FFFFFF;
}

/* Dedicated Scroll Container for Question Numbers (Testbook Style) */
.sol-palette-scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  padding-right: 2px;
  margin-top: 2px;
}
.sol-palette-scroll::-webkit-scrollbar {
  width: 4px;
}
.sol-palette-scroll::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.3);
  border-radius: 4px;
}
.sol-palette-scroll::-webkit-scrollbar-track {
  background: transparent;
}

/* Question Palette in Solution Mode (Matching Image 1 & 2) */
.palette-sol-btn {
  width: 100%;
  height: 32px;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.1s ease;
  position: relative;
}
.palette-sol-btn:hover {
  transform: scale(1.05);
}
/* Correct: top arch */
.palette-sol-btn.is-correct {
  background: #10B981;
  color: #FFFFFF;
  border-radius: 16px 16px 4px 4px;
}
/* Wrong: bottom shield */
.palette-sol-btn.is-wrong {
  background: #DC2626;
  color: #FFFFFF;
  border-radius: 4px 4px 16px 16px;
}
/* Unattempted: square box with border */
.palette-sol-btn.is-unattempted {
  background: #FFFFFF;
  border: 1.5px solid #0F172A;
  color: #0F172A;
  border-radius: 3px;
}
.palette-sol-btn.is-active {
  box-shadow: 0 0 0 2.5px #0284C7;
}
/* Re-attempt pulse badge */
.palette-sol-btn.is-reattempted {
  outline: 2px dashed #00BCD4;
}
/* Cyan ribbon bookmark on bottom-right corner (Image 2) */
.palette-sol-btn .palette-ribbon {
  position: absolute;
  right: -2px;
  bottom: -3px;
  width: 9px;
  height: 9px;
  background: #00BCD4;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 65%, 0 100%);
  z-index: 2;
}

/* Completed Test Card (Result History) */
.test-card-completed {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-xs);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}
.test-card-completed:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.test-card-completed .card-stripe-pink {
  background: linear-gradient(90deg, #F43F5E, #FB7185);
  height: 4px;
}
.test-card-completed .card-stripe-green {
  background: linear-gradient(90deg, #10B981, #34D399);
  height: 4px;
}
.test-card-completed .card-stripe-blue {
  background: linear-gradient(90deg, #0284C7, #38BDF8);
  height: 4px;
}
.test-card-completed .card-stripe-amber {
  background: linear-gradient(90deg, #F59E0B, #D97706);
  height: 4px;
}
.test-card-completed .card-body-wrap {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.test-card-completed .result-stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-subtle);
  color: var(--slate-700);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
  white-space: nowrap;
}
[data-theme="dark"] .test-card-completed .result-stat-chip {
  background: rgba(255, 255, 255, 0.06);
  color: #E2E8F0;
  border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="light"] .test-card-completed .result-stat-chip {
  background: #F1F5F9;
  color: #334155;
  border-color: #E2E8F0;
}
.test-card-completed .card-footer-wrap {
  padding: 10px 20px;
  background: var(--surface-subtle);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--slate-500);
  flex-wrap: wrap;
  gap: 10px;
}
[data-theme="dark"] .test-card-completed .card-footer-wrap {
  background: rgba(255, 255, 255, 0.03);
  border-top-color: var(--border);
}
[data-theme="light"] .test-card-completed .card-footer-wrap {
  background: #F8FAFC;
  border-top-color: #E2E8F0;
}
.test-card-completed .footer-date {
  white-space: nowrap;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.test-card-completed .footer-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}
.test-card-completed .btn-reattempt {
  color: var(--primary, #0284C7);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none !important;
  white-space: nowrap;
  font-size: 13px;
  transition: opacity 0.15s ease, transform 0.15s ease;
  cursor: pointer;
  background: none;
  border: none;
  padding: 3px 6px;
}
.test-card-completed .btn-reattempt:hover {
  opacity: 0.85;
  transform: translateX(2px);
}
.test-card-completed .btn-share-card {
  color: var(--slate-500);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none !important;
  white-space: nowrap;
  font-size: 13px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 3px 6px;
  transition: color 0.15s ease;
}
.test-card-completed .btn-share-card:hover {
  color: var(--primary, #0284C7);
}

.btn-outline-cyan {
  background: var(--surface);
  border: 1.5px solid #06B6D4;
  color: #0891B2;
  border-radius: 8px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.btn-outline-cyan:hover {
  background: rgba(6, 182, 212, 0.12);
  border-color: #06B6D4;
  color: #0891B2;
  transform: translateY(-1px);
}
[data-theme="dark"] .btn-outline-cyan {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.4);
  color: #38BDF8;
}
[data-theme="dark"] .btn-outline-cyan:hover {
  background: rgba(6, 182, 212, 0.2);
  border-color: #38BDF8;
  color: #7DD3FC;
}
[data-theme="light"] .btn-outline-cyan {
  background: #FFFFFF;
  border-color: #0891B2;
  color: #0891B2;
}
[data-theme="light"] .btn-outline-cyan:hover {
  background: #ECFEFF;
  border-color: #06B6D4;
  color: #06B6D4;
}

.btn-solid-cyan {
  background: linear-gradient(135deg, #0284C7 0%, #06B6D4 100%);
  border: none;
  color: #FFFFFF !important;
  border-radius: 8px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
  transition: all 0.15s ease;
}
.btn-solid-cyan:hover {
  opacity: 0.95;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.35);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .test-card-completed .card-body-wrap {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px 16px;
  }
  .test-card-completed .card-actions-wrap {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
  }
  .test-card-completed .card-footer-wrap {
    padding: 10px 16px;
  }
}

/* ── 23. PYQ Section & Profile Enhancements ──────────────────── */
.badge-blue {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}
@media (max-width: 768px) {
  .pyq-filters-row {
    grid-template-columns: 1fr !important;
  }
}

/* ── 24. 1-Click Test Builder & Category Explorer ──────────── */
.builder-tabs {
  display: flex;
  gap: 8px;
  background: var(--surface-subtle, #f1f5f9);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}
.builder-tab {
  flex: 1;
  text-align: center;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-muted, #64748b);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.builder-tab:hover {
  color: var(--text-main);
  background: var(--surface);
}
.builder-tab.active {
  background: var(--surface, #ffffff);
  color: var(--primary, #f59e0b) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1.5px solid var(--primary, #f59e0b) !important;
  font-weight: 800;
}
.lang-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.lang-pill {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-main, #334155);
  cursor: pointer;
  transition: all 0.15s ease;
}
.lang-pill:hover {
  border-color: var(--primary, #f59e0b);
  color: var(--primary, #f59e0b);
}
.lang-pill.active {
  background: var(--primary, #f59e0b) !important;
  color: var(--text-on-primary, #0f172a) !important;
  border-color: var(--primary, #f59e0b) !important;
  font-weight: 800;
}
.sample-pill-btn {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--surface-subtle);
  color: var(--text-main);
  border: 1px dashed var(--border-strong, #cbd5e1);
  cursor: pointer;
  transition: all 0.15s;
}
.sample-pill-btn:hover {
  background: var(--primary-subtle, #fef3c7);
  border-color: var(--primary, #f59e0b);
  color: var(--primary, #92400e);
}
.live-counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 800;
  background: var(--success-subtle, rgba(16, 185, 129, 0.12));
  color: var(--success, #10B981);
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.live-counter-badge.empty {
  background: var(--surface-subtle);
  color: var(--text-muted);
  border-color: var(--border);
}
.question-manual-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--surface);
  margin-bottom: 16px;
  transition: border-color 0.15s;
}
.question-manual-card:hover {
  border-color: var(--slate-400);
}
.folder-tree {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 12px;
  max-height: 700px;
  overflow-y: auto;
}
.folder-node {
  margin: 2px 0;
}
.folder-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--slate-800);
  transition: all 0.12s ease;
  user-select: none;
}
.folder-row:hover {
  background: var(--slate-100);
}
.folder-row.active {
  background: #FEF3C7;
  color: #92400E;
  font-weight: 700;
}
.folder-toggle {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--slate-500);
  border-radius: 3px;
}
.folder-toggle:hover {
  background: rgba(0,0,0,0.06);
}
.folder-badge-count {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  background: var(--slate-200);
  color: var(--slate-700);
}
.folder-row.active .folder-badge-count {
  background: #FDE68A;
  color: #78350F;
}
.folder-children {
  padding-left: 20px;
  border-left: 1.5px dashed var(--slate-200);
  margin-left: 10px;
}
.breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--slate-600);
  padding: 10px 14px;
  background: var(--slate-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}
.breadcrumb-crumb {
  font-weight: 600;
  color: var(--slate-700);
}
.breadcrumb-sep {
  color: var(--slate-400);
  font-size: 11px;
}

/* ── Testbook Palette Filter Popover (Image 2) ──────────────── */
.palette-filter-dropdown {
  position: absolute;
  top: 52px;
  right: 14px;
  width: 250px;
  background: var(--surface, #FFFFFF);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.25), 0 8px 10px -6px rgba(0, 0, 0, 0.15);
  padding: 16px;
  z-index: 1000;
  animation: modalScaleUp 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="dark"] .palette-filter-dropdown {
  background: var(--surface) !important;
  border-color: var(--border-strong) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6) !important;
}
.filter-option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main, #1E293B);
  border-bottom: 1px solid var(--border, #F1F5F9);
}
.filter-option-row:last-of-type {
  border-bottom: none;
}
.filter-option-row label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  margin: 0;
  user-select: none;
  color: var(--text-main, #1E293B);
}
.filter-option-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #00BCD4;
  cursor: pointer;
}

/* ── Speed Indicators Legend Box (Image 1, 2, 3) ─────────────── */
.speed-indicators-box {
  margin: 4px 0 6px;
  padding: 5px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.speed-indicators-title {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-bottom: 4px;
}
.speed-indicators-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  text-align: center;
}
.speed-indicator-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.speed-indicator-item svg {
  width: 14px;
  height: 14px;
}
.speed-indicator-item span {
  font-size: 8.5px;
  font-weight: 600;
  color: var(--slate-600);
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ── Palette Bottom Action Buttons (Image 3) ─────────────────── */
.palette-footer-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.btn-palette-action {
  flex: 1;
  padding: 7px 4px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 6px;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 0.15s ease;
}
.btn-palette-action.btn-qp {
  background: #00BCD4;
  color: #FFFFFF;
}
.btn-palette-action.btn-qp:hover {
  background: #00ACC1;
}
.btn-palette-action.btn-summary {
  background: #E0F7FA;
  color: #00838F;
  border-color: #B2EBF2;
}
.btn-palette-action.btn-summary:hover {
  background: #B2EBF2;
}

/* ── Top Teal Header Banner (Image 3 & 5) ───────────────────── */
.qp-top-banner {
  background: #0097A7;
  color: #FFFFFF;
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.qp-top-banner .back-link {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.qp-top-banner .exam-title {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 2px;
  font-weight: 500;
}
.qp-sub-bar {
  background: #F8FAFC;
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  min-height: 44px;
  height: auto;
}
.qp-marks-pill {
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 800;
  white-space: nowrap;
}
.qp-marks-pill.pos {
  background: #10B981;
  color: #FFFFFF;
}
.qp-marks-pill.neg {
  background: #EF4444;
  color: #FFFFFF;
}
.qp-marks-pill.zero {
  background: #94A3B8;
  color: #FFFFFF;
}

/* ── Summary Modal Table (Image 4) ───────────────────────────── */
.summary-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  box-sizing: border-box;
  table-layout: auto;
}
.summary-table th {
  background: #00ACC1;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px;
  text-align: center;
  border: 1px solid #0097A7;
}
.summary-table th:first-child {
  text-align: left;
}
.summary-table td {
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--slate-800);
  text-align: center;
  border: 1px solid var(--border);
}
.summary-table td:first-child {
  text-align: left;
  font-weight: 700;
}
@media (max-width: 520px) {
  .summary-table th, .summary-table td {
    padding: 6px 4px !important;
    font-size: 11px !important;
  }
}

/* ── 25. Apple.com-Inspired Luxury Home Page Design System & Theming ── */
:root, [data-theme="dark"] {
  --apple-bg-base: #000000;
  --apple-bg-section: #0B0B0D;
  --apple-bg-card: #121214;
  --apple-bg-card-subtle: #18181B;
  --apple-border: rgba(255, 255, 255, 0.08);
  --apple-border-strong: rgba(255, 255, 255, 0.16);
  --apple-text-title: #FFFFFF;
  --apple-text-body: #E4E4E7;
  --apple-text-muted: #A1A1A6;
  --apple-text-faint: #71717A;
  --apple-card-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.7);
  --apple-card-hover-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.85);

  --apple-hero-radial: radial-gradient(circle at 50% 10%, rgba(245, 158, 11, 0.18) 0%, rgba(0, 0, 0, 0) 65%), #000000;
  --apple-banner-radial: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.12) 0%, rgba(0, 0, 0, 1) 70%), #000000;

  --apple-nav-bg: rgba(0, 0, 0, 0.82);
  --apple-nav-border: rgba(255, 255, 255, 0.1);
  --apple-nav-brand: #FFFFFF;
  --apple-nav-link: rgba(255, 255, 255, 0.75);
  --apple-nav-link-hover: #FFFFFF;

  --apple-ribbon-bg: linear-gradient(90deg, #18181B 0%, #27272A 50%, #18181B 100%);
  --apple-ribbon-border: rgba(255, 255, 255, 0.08);
  --apple-ribbon-text: #E4E4E7;
  --apple-ribbon-link: #F59E0B;

  --apple-eyebrow-bg: rgba(255, 255, 255, 0.06);
  --apple-eyebrow-border: rgba(255, 255, 255, 0.14);
  --apple-eyebrow-text: #F59E0B;
  --apple-hero-title-grad: linear-gradient(135deg, #FFFFFF 20%, #F59E0B 70%, #FDE68A 100%);

  --apple-search-bg: rgba(255, 255, 255, 0.08);
  --apple-search-border: rgba(255, 255, 255, 0.16);
  --apple-search-text: #FFFFFF;
  --apple-search-placeholder: #71717A;

  --apple-btn-sec-bg: rgba(255, 255, 255, 0.08);
  --apple-btn-sec-border: rgba(255, 255, 255, 0.2);
  --apple-btn-sec-color: #FFFFFF;

  --apple-studio-chassis-bg: #18181B;
  --apple-studio-chassis-border: rgba(255, 255, 255, 0.15);
  --apple-studio-chassis-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.08);
  --apple-studio-window-bar: rgba(39, 39, 42, 0.7);
  --apple-studio-window-border: rgba(255, 255, 255, 0.08);
  --apple-studio-inner: #0F0F12;
  --apple-studio-q-bg: rgba(255, 255, 255, 0.03);
  --apple-studio-q-border: rgba(255, 255, 255, 0.06);
  --apple-studio-q-text: #F4F4F5;
  --apple-studio-opt-bg: rgba(255, 255, 255, 0.04);
  --apple-studio-opt-border: rgba(255, 255, 255, 0.1);
  --apple-studio-opt-text: #E4E4E7;
  --apple-studio-opt-circle-border: #71717A;
  --apple-studio-opt-circle-text: #A1A1A6;

  --apple-subnav-bg: rgba(0, 0, 0, 0.85);
  --apple-subnav-border: rgba(255, 255, 255, 0.08);
  --apple-tab-pill-color: #A1A1A6;
  --apple-tab-pill-hover-bg: rgba(255, 255, 255, 0.06);
  --apple-tab-pill-hover-color: #FFFFFF;
  --apple-tab-pill-active-bg: #FFFFFF;
  --apple-tab-pill-active-color: #000000;

  --apple-badge-bg: rgba(255, 255, 255, 0.05);
  --apple-badge-border: rgba(255, 255, 255, 0.1);
  --apple-badge-text: #E4E4E7;

  --apple-table-card-bg: #121214;
  --apple-table-border: rgba(255, 255, 255, 0.08);
  --apple-table-row-border: rgba(255, 255, 255, 0.04);
  --apple-table-th-border: rgba(255, 255, 255, 0.1);
  --apple-table-head-bg: rgba(255, 255, 255, 0.02);
  --apple-table-th-feature: #A1A1A6;
  --apple-table-th-free: #FFFFFF;
  --apple-table-tbody-text: #D4D4D8;

  --apple-faq-border: rgba(255, 255, 255, 0.1);
  --apple-faq-q-text: #FFFFFF;
  --apple-faq-icon: #A1A1A6;
  --apple-faq-a-text: #A1A1A6;
}

[data-theme="light"] {
  --apple-bg-base: #F8FAFC;
  --apple-bg-section: #FFFFFF;
  --apple-bg-card: #FFFFFF;
  --apple-bg-card-subtle: #F1F5F9;
  --apple-border: #E2E8F0;
  --apple-border-strong: #CBD5E1;
  --apple-text-title: #0F172A;
  --apple-text-body: #1E293B;
  --apple-text-muted: #475569;
  --apple-text-faint: #64748B;
  --apple-card-shadow: 0 10px 28px -8px rgba(15, 23, 42, 0.08);
  --apple-card-hover-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.12);

  --apple-hero-radial: radial-gradient(circle at 50% 10%, rgba(245, 158, 11, 0.14) 0%, rgba(248, 250, 252, 0) 70%), #F8FAFC;
  --apple-banner-radial: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.12) 0%, rgba(241, 245, 249, 1) 75%), #F8FAFC;

  --apple-nav-bg: rgba(255, 255, 255, 0.92);
  --apple-nav-border: #E2E8F0;
  --apple-nav-brand: #0F172A;
  --apple-nav-link: #334155;
  --apple-nav-link-hover: #0F172A;

  --apple-ribbon-bg: linear-gradient(90deg, #FEF3C7 0%, #FFFBEB 50%, #FEF3C7 100%);
  --apple-ribbon-border: #FDE68A;
  --apple-ribbon-text: #92400E;
  --apple-ribbon-link: #B45309;

  --apple-eyebrow-bg: #FEF3C7;
  --apple-eyebrow-border: #FDE68A;
  --apple-eyebrow-text: #B45309;
  --apple-hero-title-grad: linear-gradient(135deg, #0F172A 20%, #D97706 70%, #B45309 100%);

  --apple-search-bg: #FFFFFF;
  --apple-search-border: #CBD5E1;
  --apple-search-text: #0F172A;
  --apple-search-placeholder: #94A3B8;

  --apple-btn-sec-bg: #FFFFFF;
  --apple-btn-sec-border: #CBD5E1;
  --apple-btn-sec-color: #0F172A;

  --apple-studio-chassis-bg: #FFFFFF;
  --apple-studio-chassis-border: #CBD5E1;
  --apple-studio-chassis-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.05);
  --apple-studio-window-bar: #F1F5F9;
  --apple-studio-window-border: #E2E8F0;
  --apple-studio-inner: #FFFFFF;
  --apple-studio-q-bg: #F8FAFC;
  --apple-studio-q-border: #E2E8F0;
  --apple-studio-q-text: #0F172A;
  --apple-studio-opt-bg: #F8FAFC;
  --apple-studio-opt-border: #E2E8F0;
  --apple-studio-opt-text: #0F172A;
  --apple-studio-opt-circle-border: #94A3B8;
  --apple-studio-opt-circle-text: #475569;

  --apple-subnav-bg: rgba(255, 255, 255, 0.92);
  --apple-subnav-border: #E2E8F0;
  --apple-tab-pill-color: #475569;
  --apple-tab-pill-hover-bg: #F1F5F9;
  --apple-tab-pill-hover-color: #0F172A;
  --apple-tab-pill-active-bg: #0F172A;
  --apple-tab-pill-active-color: #FFFFFF;

  --apple-badge-bg: #F1F5F9;
  --apple-badge-border: #CBD5E1;
  --apple-badge-text: #1E293B;

  --apple-table-card-bg: #FFFFFF;
  --apple-table-border: #E2E8F0;
  --apple-table-row-border: #F1F5F9;
  --apple-table-th-border: #E2E8F0;
  --apple-table-head-bg: #F8FAFC;
  --apple-table-th-feature: #475569;
  --apple-table-th-free: #0F172A;
  --apple-table-tbody-text: #1E293B;

  --apple-faq-border: #E2E8F0;
  --apple-faq-q-text: #0F172A;
  --apple-faq-icon: #64748B;
  --apple-faq-a-text: #334155;
}

.apple-home {
  background: var(--apple-bg-base);
  color: var(--apple-text-title);
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', sans-serif;
  letter-spacing: -0.01em;
  transition: background 0.3s ease, color 0.3s ease;
}

/* Apple Global Navigation Bar */
.pub-nav {
  background: var(--apple-nav-bg) !important;
  backdrop-filter: saturate(180%) blur(20px) !important;
  -webkit-backdrop-filter: saturate(180%) blur(20px) !important;
  border-bottom: 1px solid var(--apple-nav-border) !important;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.pub-nav .brand {
  color: var(--apple-nav-brand) !important;
}
.pub-nav .nav-links a {
  color: var(--apple-nav-link) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  transition: color 0.2s ease !important;
}
.pub-nav .nav-links a:hover,
.pub-nav .nav-links a.active {
  color: var(--apple-nav-link-hover) !important;
}

/* Theme Toggle Button in Global Nav, Portal, and Admin */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-raised, var(--surface, rgba(255, 255, 255, 0.08)));
  border: 1px solid var(--border-strong, var(--border, rgba(255, 255, 255, 0.16)));
  color: var(--text-main, #FFFFFF);
  border-radius: 9999px;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-xs);
  line-height: 1;
}
.theme-toggle-btn:hover {
  transform: scale(1.04);
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.theme-toggle-btn svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

/* Apple Announcement Ribbon */
.apple-ribbon {
  background: var(--apple-ribbon-bg);
  border-bottom: 1px solid var(--apple-ribbon-border);
  color: var(--apple-ribbon-text);
  padding: 10px 16px;
  font-size: 13px;
  text-align: center;
  font-weight: 500;
  transition: all 0.3s ease;
}
.apple-ribbon a {
  color: var(--apple-ribbon-link);
  font-weight: 700;
  text-decoration: none;
  margin-left: 6px;
}
.apple-ribbon a:hover {
  text-decoration: underline;
}

/* Hero Section with Luxury Animations */
.apple-hero {
  position: relative;
  padding: 90px 20px 120px;
  text-align: center;
  overflow: hidden;
  background: var(--apple-hero-radial);
  transition: background 0.3s ease;
  perspective: 1200px;
}

/* 1. Ambient Hero Aurora Glow Orbs */
.apple-hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.45;
  z-index: 0 !important;
  will-change: transform, opacity;
  transform: translate3d(0,0,0);
}

.apple-hero-glow-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.22) 0%, rgba(245, 158, 11, 0) 70%);
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  animation: heroOrbFloat1 12s ease-in-out infinite alternate;
}

.apple-hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.16) 0%, rgba(6, 182, 212, 0) 70%);
  top: 30%;
  left: 5%;
  animation: heroOrbFloat2 15s ease-in-out infinite alternate;
}

.apple-hero-glow-3 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0) 70%);
  top: 40%;
  right: 5%;
  animation: heroOrbFloat3 14s ease-in-out infinite alternate;
}

@keyframes heroOrbFloat1 {
  0% { transform: translate(-50%, 0) scale(1); }
  50% { transform: translate(-45%, 40px) scale(1.1); opacity: 0.6; }
  100% { transform: translate(-55%, -20px) scale(0.95); opacity: 0.35; }
}

@keyframes heroOrbFloat2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -25px) scale(1.15); opacity: 0.55; }
  100% { transform: translate(-20px, 35px) scale(0.9); opacity: 0.3; }
}

@keyframes heroOrbFloat3 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-35px, 25px) scale(1.12); opacity: 0.5; }
  100% { transform: translate(20px, -30px) scale(0.92); opacity: 0.25; }
}

/* 2. Hero Content & Stagger Entrance Animations */
.apple-hero-inner {
  position: relative;
  z-index: 5;
  max-width: 1200px;
  margin: 0 auto;
}

.apple-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--apple-eyebrow-bg);
  border: 1px solid var(--apple-eyebrow-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 9999px;
  padding: 7px 18px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--apple-eyebrow-text);
  margin-bottom: 24px;
  animation: heroFadeDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.apple-hero-title {
  font-size: clamp(26px, 5.5vw, 68px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--apple-text-title);
  max-width: 960px;
  margin: 0 auto 20px;
  overflow-wrap: break-word;
  word-break: normal;
  transition: color 0.3s ease;
  animation: heroTitleReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.12s both;
}

.apple-hero-title span {
  background: var(--apple-hero-title-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.apple-hero-sub {
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--apple-text-muted);
  font-weight: 400;
  line-height: 1.5;
  max-width: 680px;
  margin: 0 auto 36px;
  letter-spacing: -0.015em;
  transition: color 0.3s ease;
  animation: heroFadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.24s both;
}

.apple-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 54px;
  animation: heroFadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.44s both;
}

.apple-btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 9999px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.apple-btn-pill.primary {
  background: #F59E0B;
  color: #000000;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
}

.apple-btn-pill.primary:hover {
  background: #D97706;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
}

.apple-btn-pill.primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: rotate(25deg);
  pointer-events: none;
  animation: btnShimmer 5s ease-in-out infinite;
}

@keyframes btnShimmer {
  0%, 80% { transform: translateX(-100%) rotate(25deg); opacity: 0; }
  85% { opacity: 1; }
  100% { transform: translateX(500%) rotate(25deg); opacity: 0; }
}

.apple-btn-pill.secondary {
  background: var(--apple-btn-sec-bg);
  color: var(--apple-btn-sec-color);
  border: 1px solid var(--apple-btn-sec-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.apple-btn-pill.secondary:hover {
  border-color: #F59E0B;
  transform: translateY(-2px) scale(1.02);
  color: #F59E0B;
}

/* Apple Search Bar inside Hero */
.apple-search-bar {
  max-width: 580px;
  margin: 0 auto 40px;
  background: var(--apple-search-bg);
  border: 1px solid var(--apple-search-border);
  border-radius: 9999px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  padding: 6px 8px 6px 20px;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
  animation: heroFadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.34s both;
}

.apple-search-bar:focus-within {
  border-color: #F59E0B;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2), 0 20px 40px -10px rgba(245, 158, 11, 0.15);
  transform: scale(1.01);
}

.apple-search-bar input {
  background: transparent;
  border: none;
  outline: none;
  flex: 1;
  color: var(--apple-search-text);
  font-size: 14.5px;
}

.apple-search-bar input::placeholder {
  color: var(--apple-search-placeholder);
}

.apple-search-bar svg,
.apple-search-bar div svg {
  width: 20px !important;
  height: 20px !important;
  min-width: 20px !important;
  min-height: 20px !important;
  max-width: 20px !important;
  max-height: 20px !important;
  flex-shrink: 0 !important;
}

/* Studio Container & Floating Micro-Badges */
.apple-studio-container {
  position: relative;
  max-width: 1040px;
  margin: 0 auto;
  animation: heroChassisReveal 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.54s both;
}

.apple-floating-pill {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--apple-search-bg, rgba(15, 23, 42, 0.78));
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.18));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 9px 16px;
  border-radius: 9999px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
  z-index: 10;
  pointer-events: auto;
  cursor: default;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  text-align: left;
}

.apple-floating-pill:hover {
  border-color: #F59E0B;
  box-shadow: 0 20px 42px rgba(245, 158, 11, 0.22);
  transform: scale(1.05) translateY(-4px) !important;
}

.float-left-badge {
  left: -24px;
  top: 32%;
  animation: floatBadgeLeft 6s ease-in-out infinite alternate;
}

.float-right-top-badge {
  right: -28px;
  top: 16%;
  animation: floatBadgeRightTop 7s ease-in-out infinite alternate;
}

.float-right-bottom-badge {
  right: -20px;
  bottom: 22%;
  animation: floatBadgeRightBottom 6.5s ease-in-out infinite alternate;
}

@keyframes floatBadgeLeft {
  0% { transform: translateY(0px) rotate(-1deg); }
  100% { transform: translateY(-16px) rotate(1.5deg); }
}

@keyframes floatBadgeRightTop {
  0% { transform: translateY(0px) rotate(1.5deg); }
  100% { transform: translateY(-18px) rotate(-1deg); }
}

@keyframes floatBadgeRightBottom {
  0% { transform: translateY(0px) rotate(-1.5deg); }
  100% { transform: translateY(-14px) rotate(1deg); }
}

.float-pill-icon {
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.float-pill-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--apple-text-title);
  line-height: 1.2;
}

.float-pill-sub {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--apple-text-muted);
}

@media (max-width: 1080px) {
  .apple-floating-pill {
    display: none !important;
  }
}

/* Keyframes for Hero Entrance */
@keyframes heroFadeDown {
  from { opacity: 0; transform: translateY(-24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroTitleReveal {
  from { opacity: 0; transform: translateY(32px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroChassisReveal {
  from { opacity: 0; transform: translateY(50px) scale(0.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* macOS Studio Display Simulation Frame */
.apple-studio-chassis {
  max-width: 980px;
  margin: 0 auto;
  background: var(--apple-studio-chassis-bg);
  border: 1px solid var(--apple-studio-chassis-border);
  border-radius: 20px;
  box-shadow: var(--apple-studio-chassis-shadow);
  overflow: hidden;
  position: relative;
  text-align: left;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.apple-studio-chassis:hover {
  box-shadow: 0 30px 70px -15px rgba(0, 0, 0, 0.5), 0 0 30px rgba(245, 158, 11, 0.12);
}

.apple-window-bar {
  background: var(--apple-studio-window-bar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--apple-studio-window-border);
  transition: background 0.3s ease;
}

.apple-window-dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.apple-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.apple-window-dots:hover .apple-dot {
  transform: scale(1.15);
}

.apple-dot.red { background: #FF5F56; }
.apple-dot.yellow { background: #FFBD2E; }
.apple-dot.green { background: #27C93F; }

.live-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22C55E;
  display: inline-block;
  box-shadow: 0 0 10px #22C55E;
  animation: liveRadarPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes liveRadarPulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  50% { opacity: 0.8; transform: scale(1.18); box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
}

.apple-studio-content {
  padding: 28px 32px;
  background: var(--apple-studio-inner);
  transition: background 0.3s ease;
}

.apple-studio-q-box {
  background: var(--apple-studio-q-bg);
  border: 1px solid var(--apple-studio-q-border);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 20px;
  transition: all 0.25s ease;
}

/* Simulation Option Pill */
.sim-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--apple-studio-opt-bg);
  border: 1px solid var(--apple-studio-opt-border);
  color: var(--apple-studio-opt-text);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.sim-opt:hover {
  border-color: #F59E0B;
  transform: translateY(-1px);
}
.sim-opt.selected {
  border-color: #F59E0B !important;
  background: rgba(245, 158, 11, 0.15) !important;
}
.sim-opt .sim-opt-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--apple-studio-opt-circle-border);
  color: var(--apple-studio-opt-circle-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  transition: all 0.2s ease;
}
.sim-opt.selected .sim-opt-badge {
  background: #F59E0B;
  color: #000000;
  border-color: #F59E0B;
}
.sim-opt .sim-opt-text {
  font-size: 14px;
  color: var(--apple-studio-opt-text);
  font-weight: 500;
}

/* Apple Sticky Category Subnav Bar */
/* Apple Sticky Category Subnav Bar */
.apple-subnav-sticky {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--apple-subnav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--apple-subnav-border);
  padding: 10px 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.apple-subnav-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.apple-subnav-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  min-width: 0;
  padding: 2px 0;
}
.apple-subnav-scroll::-webkit-scrollbar {
  display: none;
}
.apple-subnav-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding-left: 12px;
  border-left: 1px solid var(--apple-border);
}
.apple-tab-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--apple-tab-pill-color);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.apple-tab-pill:hover {
  color: var(--apple-tab-pill-hover-color);
  background: var(--apple-tab-pill-hover-bg);
}
.apple-tab-pill.active {
  background: var(--apple-tab-pill-active-bg);
  color: var(--apple-tab-pill-active-color);
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

/* Home Subnav Theme Switch Pill */
.theme-switch-pill {
  background: var(--apple-btn-sec-bg) !important;
  border: 1px solid var(--apple-border-strong) !important;
  color: var(--apple-text-title) !important;
  font-weight: 700 !important;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 9999px;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.theme-switch-pill:hover {
  border-color: #F59E0B !important;
  color: #F59E0B !important;
  transform: translateY(-1px);
}

/* Apple Live Examination Arena Spotlight */
.apple-spotlight-arena {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(245, 158, 11, 0.06) 50%, var(--apple-bg-card) 100%);
  border: 1.5px solid rgba(16, 185, 129, 0.35);
  border-radius: 24px;
  padding: 32px 36px;
  margin-bottom: 36px;
  box-shadow: 0 16px 40px -10px rgba(16, 185, 129, 0.15), var(--apple-card-shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  transition: all 0.3s ease;
}
.apple-spotlight-arena:hover {
  border-color: #10B981;
  box-shadow: 0 20px 50px -10px rgba(16, 185, 129, 0.22);
}
.apple-spotlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #10B981;
  padding: 5px 14px;
  border-radius: 9999px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.apple-spotlight-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
}
.apple-spotlight-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: var(--apple-text-title);
  line-height: 1.2;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.apple-spotlight-desc {
  font-size: 14.5px;
  color: var(--apple-text-muted);
  line-height: 1.55;
  max-width: 640px;
  margin-bottom: 18px;
}
.apple-spotlight-chips {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.apple-spotlight-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--apple-text-body);
  background: var(--apple-badge-bg);
  border: 1px solid var(--apple-border);
  padding: 6px 12px;
  border-radius: 8px;
}

/* Apple Bento Grid Showcase */
.apple-bento-section {
  padding: 100px 20px;
  max-width: 1240px;
  margin: 0 auto;
}
.apple-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.apple-section-eyebrow {
  color: #F59E0B;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.apple-section-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--apple-text-title);
  line-height: 1.12;
  margin-bottom: 16px;
  transition: color 0.3s ease;
}
.apple-section-desc {
  font-size: 17px;
  color: var(--apple-text-muted);
  line-height: 1.6;
  transition: color 0.3s ease;
}

.apple-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.apple-bento-card {
  background: var(--apple-bg-card);
  border: 1px solid var(--apple-border);
  border-radius: 24px;
  padding: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--apple-card-shadow);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.35s ease;
}
.apple-bento-card:hover {
  border-color: rgba(245, 158, 11, 0.7) !important;
  transform: translateY(-8px) scale(1.01) !important;
  box-shadow: 0 24px 50px -10px rgba(0, 0, 0, 0.35), 0 0 25px rgba(245, 158, 11, 0.15) !important;
}
.apple-bento-card:active {
  transform: translateY(-2px) scale(0.995);
}
.apple-bento-card.col-8 { grid-column: span 8; }
.apple-bento-card.col-4 { grid-column: span 4; }
.apple-bento-card.col-6 { grid-column: span 6; }
.apple-bento-card.col-12 { grid-column: span 12; }

@media (max-width: 900px) {
  .apple-bento-card.col-8,
  .apple-bento-card.col-4,
  .apple-bento-card.col-6 {
    grid-column: span 12;
  }
}

.apple-feature-chip {
  background: var(--apple-badge-bg);
  border: 1px solid var(--apple-badge-border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--apple-badge-text);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

/* Apple-style Mock Test Cards */
.apple-test-card {
  background: var(--apple-bg-card);
  border: 1px solid var(--apple-border);
  border-radius: 20px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--apple-card-shadow);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.35s ease;
}
.apple-test-card:hover {
  border-color: rgba(245, 158, 11, 0.8) !important;
  transform: translateY(-8px) scale(1.015) !important;
  box-shadow: 0 24px 50px -10px rgba(0, 0, 0, 0.35), 0 0 25px rgba(245, 158, 11, 0.16) !important;
}
.apple-test-card:active {
  transform: translateY(-2px) scale(0.995);
}

/* Testimonial / Review Cards */
.apple-review-card {
  background: var(--apple-bg-card);
  border: 1px solid var(--apple-border);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--apple-card-shadow);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.35s ease;
}
.apple-review-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(245, 158, 11, 0.6);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.3), 0 0 20px rgba(245, 158, 11, 0.12);
}

/* Scroll Reveal Fade-Up Effect */
.apple-reveal-fade {
  opacity: 0;
  transform: translateY(32px) scale(0.985);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.apple-reveal-fade.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.apple-review-quote {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--apple-text-body);
  font-style: italic;
  margin-bottom: 24px;
  transition: color 0.3s ease;
}
.apple-review-author {
  font-size: 15px;
  font-weight: 700;
  color: var(--apple-text-title);
  transition: color 0.3s ease;
}
.apple-review-meta {
  font-size: 12.5px;
  color: var(--apple-text-muted);
  margin-top: 2px;
  transition: color 0.3s ease;
}

/* Apple Accordion FAQ */
.apple-faq-container {
  max-width: 820px;
  margin: 0 auto;
}
.apple-faq-item {
  border-bottom: 1px solid var(--apple-faq-border);
  padding: 24px 0;
  cursor: pointer;
  transition: border-color 0.25s ease;
}
.apple-faq-question {
  font-size: 19px;
  font-weight: 700;
  color: var(--apple-faq-q-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.25s ease;
}
.apple-faq-icon {
  width: 24px;
  height: 24px;
  color: var(--apple-faq-icon);
  transition: transform 0.25s ease, color 0.25s ease;
}
.apple-faq-item.open .apple-faq-icon {
  transform: rotate(45deg);
  color: #F59E0B;
}
.apple-faq-answer {
  max-height: 0;
  overflow: hidden;
  color: var(--apple-faq-a-text);
  font-size: 15px;
  line-height: 1.65;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease, color 0.3s ease;
}
.apple-faq-item.open .apple-faq-answer {
  max-height: 300px;
  padding-top: 14px;
}

/* ============================================================
   26. TESTBOOK-GRADE EXAM ANALYSIS & DIAGNOSTICS SYSTEM
   Bilingual, Weak/Strong Chapters & Cutoff Gap Analytics
   ============================================================ */
.analysis-page-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 20px 48px;
  overflow-y: visible !important;
  min-height: 100%;
}

.quiz-summary-wrapper {
  min-height: 100vh;
  width: 100%;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  box-sizing: border-box;
}

/* Top Teal Banner (Image 1 & 2) */
.analysis-top-banner {
  background: #0097A7;
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 14px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
  box-shadow: 0 4px 14px rgba(0, 151, 167, 0.22);
}
.analysis-top-banner .back-link {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
}
.analysis-top-banner .back-link:hover {
  opacity: 0.85;
}
.analysis-top-banner .exam-title {
  font-size: 17px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 2px 0 0;
  letter-spacing: -0.01em;
}
.analysis-top-banner .star-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 8px;
  vertical-align: middle;
}

/* 5 Metric Scorecard Grid (Image 2) */
.analysis-metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
@media (max-width: 1024px) {
  .analysis-metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .analysis-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric-card-circular {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.metric-card-circular:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.metric-circle-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
  transition: transform 0.2s;
}
.metric-card-circular:hover .metric-circle-icon {
  transform: scale(1.08);
}
.metric-circle-icon.rank {
  background: rgba(239, 68, 68, 0.12);
  border: 2px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}
.metric-circle-icon.score {
  background: rgba(139, 92, 246, 0.12);
  border: 2px solid rgba(139, 92, 246, 0.3);
  color: #8B5CF6;
}
.metric-circle-icon.attempt {
  background: rgba(6, 182, 212, 0.12);
  border: 2px solid rgba(6, 182, 212, 0.3);
  color: #06B6D4;
}
.metric-circle-icon.accuracy {
  background: rgba(16, 185, 129, 0.12);
  border: 2px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}
.metric-circle-icon.percentile {
  background: rgba(59, 130, 246, 0.12);
  border: 2px solid rgba(59, 130, 246, 0.3);
  color: #3B82F6;
}
.metric-big-val {
  font-size: 19px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.2;
  margin-bottom: 5px;
}
.metric-big-val.negative-score {
  color: var(--error);
}
.metric-sub-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-400);
}
.metric-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--slate-500);
  letter-spacing: 0.2px;
}

/* Cutoff Gap Card */
.cutoff-gap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
}
.gap-circle-badge {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-shrink: 0;
}
.gap-circle-badge.pass {
  background: rgba(16, 185, 129, 0.12);
  border: 2.5px solid var(--success);
  color: var(--success);
}
.gap-circle-badge.fail {
  background: rgba(245, 158, 11, 0.12);
  border: 2.5px solid var(--warning);
  color: var(--warning);
}
.gap-circle-score {
  font-size: 13.5px;
  font-weight: 900;
  line-height: 1.1;
}
.gap-circle-text {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}
.gap-info-text {
  flex: 1;
  min-width: 250px;
}
.gap-info-headline {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.gap-info-headline.pass {
  color: var(--success);
}
.gap-info-headline.fail {
  color: var(--warning);
}
.gap-info-desc {
  font-size: 13px;
  color: var(--slate-500);
  line-height: 1.4;
}
.gap-category-picker {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-subtle);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.gap-category-picker label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--slate-600);
  white-space: nowrap;
}
.gap-category-picker select {
  background: var(--surface);
  border: 1.5px solid #0097A7;
  color: #00838F;
  font-weight: 800;
  font-size: 13px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
}

/* Sectional Summary Table */
.sectional-table-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
}
.sectional-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.sectional-table th {
  background: var(--surface-subtle);
  color: var(--slate-500);
  font-size: 12.5px;
  font-weight: 700;
  padding: 12px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
}
.sectional-table th:not(:first-child) {
  text-align: center;
}
.sectional-table td {
  padding: 13px 14px;
  font-size: 13.5px;
  color: var(--slate-800);
  border-bottom: 1px solid var(--border-subtle);
}
.sectional-table td:not(:first-child) {
  text-align: center;
}
.sectional-table tr:hover td {
  background: var(--surface-subtle);
}

/* 2-Column Split: Chapter Diagnostics & Top Rankers */
.analysis-split-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 22px;
  margin-bottom: 30px;
  align-items: start;
}
@media (max-width: 960px) {
  .analysis-split-grid {
    grid-template-columns: 1fr;
  }
}

/* Diagnostic Card */
.diagnostic-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-xs);
}
.diagnostic-tabs {
  display: flex;
  gap: 12px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 18px;
  padding-bottom: 2px;
}
.diagnostic-tab-btn {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--slate-500);
  padding: 8px 16px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.diagnostic-tab-btn:hover {
  color: var(--slate-900);
}
.diagnostic-tab-btn.active {
  color: #0097A7;
  font-weight: 800;
}
.diagnostic-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: #0097A7;
  border-radius: 2px;
}
.tab-count-pill {
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 10px;
}
.tab-count-pill.weak {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}
.tab-count-pill.strong {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

/* Chapter Detail Box */
.chapter-analysis-card {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 14px;
  transition: border-color 0.2s, background 0.2s;
}
.chapter-analysis-card:hover {
  border-color: var(--border-strong);
  background: var(--surface);
}
.chapter-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.chapter-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--slate-900);
}
.chapter-accuracy-meter {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--slate-500);
}
.meter-bar-track {
  width: 100px;
  height: 7px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.meter-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease-out;
}
.meter-bar-fill.high {
  background: #10B981;
}
.meter-bar-fill.mid {
  background: #F59E0B;
}
.meter-bar-fill.low {
  background: #EF4444;
}

/* Question Chips Row */
.chapter-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}
.q-chip-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.15s;
  text-decoration: none;
  user-select: none;
}
.q-chip-circle:hover {
  transform: scale(1.18);
  z-index: 2;
}
.q-chip-circle.correct {
  background: #10B981;
  color: #FFFFFF;
  box-shadow: 0 2px 5px rgba(16, 185, 129, 0.35);
}
.q-chip-circle.wrong {
  background: #EF4444;
  color: #FFFFFF;
  box-shadow: 0 2px 5px rgba(239, 68, 68, 0.35);
}
.q-chip-circle.skipped {
  background: var(--surface-raised);
  color: var(--slate-400);
  border: 1px solid var(--border);
}
.chapter-footer-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--slate-500);
  border-top: 1px dashed var(--border);
  padding-top: 8px;
  margin-top: 8px;
}

/* Top Rankers Card */
.top-rankers-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-xs);
}
.top-ranker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.top-ranker-row.is-me {
  background: rgba(16, 185, 129, 0.1);
  border: 1.5px solid #10B981;
  padding: 8px 12px;
}
.top-ranker-row:last-child {
  border-bottom: none;
}
.top-ranker-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-ranker-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  flex-shrink: 0;
}
.top-ranker-badge.r1 {
  background: rgba(245, 158, 11, 0.15);
  color: #F59E0B;
  border: 1.5px solid #F59E0B;
}
.top-ranker-badge.r2 {
  background: rgba(148, 163, 184, 0.15);
  color: #94A3B8;
  border: 1.5px solid #94A3B8;
}
.top-ranker-badge.r3 {
  background: rgba(251, 146, 60, 0.15);
  color: #FB923C;
  border: 1.5px solid #FB923C;
}
.top-ranker-badge.r4, .top-ranker-badge.r5 {
  background: var(--surface-subtle);
  color: var(--slate-400);
  border: 1px solid var(--border);
}
.top-ranker-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--slate-900);
}
.top-ranker-score {
  font-size: 13px;
  font-weight: 800;
  color: #00838F;
  background: rgba(0, 151, 167, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
}

/* ============================================================
   27. CATEGORIES & FOLDER EXPLORER MODERN UI/UX SYSTEM
   Antigravity Weightlessness, Guided Tree & Folder Workbenches
   ============================================================ */

/* Top Category Metrics Floating Bar */
.category-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.category-stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 2px 5px rgba(15, 23, 42, 0.03);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s;
}
.category-stat-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.07);
  border-color: #CBD5E1;
}
.stat-box-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.stat-box-icon.amber {
  background: #FEF3C7;
  color: #B45309;
}
.stat-box-icon.blue {
  background: #DBEAFE;
  color: #1D4ED8;
}
.stat-box-icon.teal {
  background: #E0F7FA;
  color: #00838F;
}
.stat-box-icon.purple {
  background: #F3E8FF;
  color: #7E22CE;
}
.stat-box-num {
  font-size: 22px;
  font-weight: 900;
  color: var(--slate-900);
  line-height: 1.1;
}
.stat-box-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* 2-Column Explorer Layout */
.folder-explorer-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
@media (max-width: 980px) {
  .folder-explorer-layout {
    grid-template-columns: 1fr;
  }
}

/* Left Pane: Folder Tree Card */
.folder-tree-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  align-self: start;
}
.folder-tree-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.folder-tree-search-wrap {
  position: relative;
  margin-bottom: 10px;
}
.folder-tree-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--slate-400);
  pointer-events: none;
}
.folder-tree-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--slate-400);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
}
.folder-tree-search-clear:hover {
  color: var(--slate-700);
  background: var(--slate-200);
}
.folder-tree-search-input {
  width: 100%;
  padding: 8px 28px 8px 32px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-subtle);
  color: var(--text-main);
  outline: none;
  transition: all 0.2s;
  box-sizing: border-box;
}
.folder-tree-search-input:focus {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.folder-tree-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding: 0 2px;
}
.folder-toolbar-btn {
  background: none;
  border: none;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color 0.15s;
}
.folder-toolbar-btn:hover {
  color: var(--text-main);
  background: var(--surface-subtle);
}
.folder-tree-scroll {
  max-height: calc(100vh - 300px);
  min-height: 440px;
  overflow-y: auto;
  padding-right: 4px;
}
.folder-tree-scroll::-webkit-scrollbar {
  width: 5px;
}
.folder-tree-scroll::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

/* Guided Tree Nodes */
.folder-node-styled {
  margin: 2px 0;
  position: relative;
}
.folder-guide-line {
  border-left: 1.5px dashed var(--border-strong);
  margin-left: 13px;
  padding-left: 6px;
}
.folder-row-styled {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.12s ease;
  user-select: none;
  position: relative;
}
.folder-row-styled:hover {
  background: var(--surface-subtle);
  color: var(--text-main);
}
.folder-row-styled.active {
  background: rgba(245, 158, 11, 0.16);
  color: var(--primary);
  font-weight: 700;
  border-left: 3.5px solid var(--primary);
  padding-left: 7px;
}
.folder-chevron {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--text-muted);
  border-radius: 3px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  flex-shrink: 0;
}
.folder-chevron.expanded {
  transform: rotate(90deg);
  color: var(--text-main);
}
.folder-chevron.leaf {
  color: transparent;
  pointer-events: none;
}
.folder-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
  transition: transform 0.15s;
}
.folder-row-styled:hover .folder-icon-wrap {
  transform: scale(1.1);
}
.folder-name-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.folder-count-pill {
  display: none !important;
}
.folder-quick-actions {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: auto;
  flex-shrink: 0;
  opacity: 0.65;
  transition: opacity 0.15s;
}
.folder-row-styled:hover .folder-quick-actions,
.folder-row-styled.active .folder-quick-actions {
  opacity: 1;
}
.folder-quick-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.folder-quick-btn.add-btn:hover {
  background: #10B981;
  color: #FFFFFF;
  border-color: #059669;
  transform: scale(1.1);
}
.folder-quick-btn.edit-btn:hover {
  background: #0284C7;
  color: #FFFFFF;
  border-color: #0369A1;
  transform: scale(1.1);
}
.folder-quick-btn.del-btn:hover {
  background: #EF4444;
  color: #FFFFFF;
  border-color: #DC2626;
  transform: scale(1.1);
}

/* Right Pane: Hero Banner (Adaptive Surface Card) */
.folder-hero-card {
  background: var(--surface) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  padding: 22px 26px !important;
  margin-bottom: 20px !important;
  box-shadow: var(--shadow-sm) !important;
}
.folder-breadcrumb-modern {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.folder-breadcrumb-modern a {
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  transition: color 0.15s;
}
.folder-breadcrumb-modern a:hover {
  color: var(--primary);
}
.folder-breadcrumb-sep {
  color: var(--text-muted);
  font-size: 10px;
  opacity: 0.6;
}
.folder-breadcrumb-current {
  color: var(--text-main);
  font-weight: 800;
}
.folder-hero-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.folder-hero-name {
  font-size: 20px;
  font-weight: 900;
  color: var(--text-main) !important;
  display: flex;
  align-items: center;
  gap: 10px;
}
.folder-hero-meta {
  font-size: 12px;
  color: var(--text-muted) !important;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Action Button Styles in Hero */
.folder-btn-edit {
  background: #0284C7 !important;
  color: #FFFFFF !important;
  font-weight: 800 !important;
  border: none !important;
  padding: 7px 14px !important;
  border-radius: 6px !important;
  box-shadow: 0 1px 3px rgba(2, 132, 199, 0.25) !important;
  cursor: pointer;
  transition: all 0.15s;
}
.folder-btn-edit:hover {
  background: #0369A1 !important;
  transform: translateY(-1px);
}
.folder-btn-move {
  background: var(--surface-subtle) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border) !important;
  font-weight: 700 !important;
  padding: 7px 14px !important;
  border-radius: 6px !important;
  cursor: pointer;
  transition: all 0.15s;
}
.folder-btn-move:hover {
  background: var(--surface-raised) !important;
  color: var(--text-main) !important;
  transform: translateY(-1px);
}
.folder-btn-delete {
  background: #DC2626 !important;
  color: #FFFFFF !important;
  font-weight: 800 !important;
  border: none !important;
  padding: 7px 14px !important;
  border-radius: 6px !important;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.35) !important;
  cursor: pointer;
  transition: all 0.15s;
}
.folder-btn-delete:hover {
  background: #B91C1C !important;
  transform: translateY(-1px);
}

/* Sub-Folders Hub */
.subfolders-hub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.subfolders-hub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.subfolder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.subfolder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 124px;
  box-shadow: var(--shadow-xs);
}
.subfolder-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.subfolder-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.subfolder-card-icon {
  font-size: 18px;
  color: #D97706;
}
.subfolder-card-name {
  font-weight: 700;
  font-size: 13.5px;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.subfolder-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.subfolder-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
  margin-top: auto;
}
.subfolder-btn-edit {
  background: rgba(2, 132, 199, 0.12);
  color: #0284C7;
  border: 1px solid rgba(2, 132, 199, 0.3);
}
.subfolder-btn-edit:hover {
  background: #0284C7;
  color: #FFFFFF;
  border-color: #0284C7;
}
.subfolder-btn-del {
  background: rgba(220, 38, 38, 0.12);
  color: #DC2626;
  border: 1px solid rgba(220, 38, 38, 0.3);
}
.subfolder-btn-del:hover {
  background: #DC2626;
  color: #FFFFFF;
  border-color: #DC2626;
}
.subfolder-card-dashed {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  background: transparent;
  transition: all 0.2s;
  min-height: 105px;
  color: var(--text-muted);
}
.subfolder-card-dashed:hover {
  border-color: var(--primary);
  background: var(--surface-subtle);
  color: var(--primary);
  transform: translateY(-2px);
}

/* In-Folder Tests Card */
.folder-tests-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.folder-tests-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.folder-tests-search-input {
  padding: 6px 12px 6px 30px;
  font-size: 12.5px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-subtle);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s;
}
.folder-tests-search-input:focus {
  border-color: var(--primary);
  background: var(--surface);
}

/* ── Section 28: Test Series Hub & 1-Click Builder Integration ── */
.series-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.series-stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  transition: all 0.2s;
}
.series-stat-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}
.series-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.series-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #F59E0B, #D97706);
  opacity: 0;
  transition: opacity 0.2s;
}
.series-card:hover {
  transform: translateY(-3px);
  border-color: #F59E0B;
  box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.12), 0 8px 10px -6px rgba(245, 158, 11, 0.08);
}
.series-card:hover::before {
  opacity: 1;
}
.series-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.series-card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.35;
  margin-bottom: 6px;
}
.series-card-desc {
  font-size: 12.5px;
  color: var(--slate-500);
  line-height: 1.45;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.series-card-telemetry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: #F8FAFC;
  border-radius: 6px;
  font-size: 12px;
  color: var(--slate-600);
  margin-bottom: 16px;
}
.series-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-top: auto;
}
.btn-amber {
  background: #F59E0B !important;
  color: #0F172A !important;
  font-weight: 800 !important;
  border: none !important;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.25) !important;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-amber:hover {
  background: #D97706 !important;
  color: #FFFFFF !important;
  transform: translateY(-1px);
}
.create-series-modal-tabs {
  display: flex;
  background: #F1F5F9;
  border-radius: 8px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 18px;
}
.create-series-modal-tab {
  flex: 1;
  text-align: center;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--slate-600);
  cursor: pointer;
  transition: all 0.15s;
}
.create-series-modal-tab.active {
  background: #FFFFFF;
  color: var(--slate-900);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

/* ============================================================
   SAVED QUESTIONS & REVISION VAULT (Testbook Grade UI)
   ============================================================ */

/* Global SVG Safety Constraint */
h1 > svg, h2 > svg, h3 > svg, h4 > svg, .btn svg, .badge svg, .icon-wrap svg {
  max-width: 22px;
  max-height: 22px;
  flex-shrink: 0;
  vertical-align: middle;
}

/* Hero Section */
.saved-q-hero {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 26px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] .saved-q-hero {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}
.saved-q-hero-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}
.saved-q-hero-left {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.saved-q-hero-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
  color: #B45309;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.22);
}
.saved-q-hero-icon svg {
  width: 24px;
  height: 24px;
}
.saved-q-hero-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--slate-900);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.saved-q-hero-desc {
  font-size: 13.5px;
  color: var(--slate-600);
  margin: 0;
  max-width: 680px;
  line-height: 1.55;
}
.saved-q-hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Filter Tabs */
.saved-q-tabs-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.saved-q-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--slate-700);
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-xs);
}
.saved-q-tab-btn:hover {
  background: var(--surface-subtle);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.saved-q-tab-btn.active-all {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary);
  box-shadow: 0 2px 8px var(--primary-glow);
}
.saved-q-tab-btn.active-wrong {
  background: #EF4444;
  color: #FFFFFF;
  border-color: #DC2626;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
}
.saved-q-tab-btn.active-unattempted {
  background: #64748B;
  color: #FFFFFF;
  border-color: #475569;
  box-shadow: 0 2px 8px rgba(100, 116, 139, 0.25);
}
.saved-q-tab-btn.active-correct {
  background: #10B981;
  color: #FFFFFF;
  border-color: #059669;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}
.saved-q-tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  background: var(--surface-subtle);
  color: inherit;
  border: 1px solid var(--border);
}
.saved-q-tab-btn.active-all .saved-q-tab-count {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-on-primary);
  border: none;
}
.saved-q-tab-btn.active-wrong .saved-q-tab-count,
.saved-q-tab-btn.active-unattempted .saved-q-tab-count,
.saved-q-tab-btn.active-correct .saved-q-tab-count {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  border: none;
}

/* Toolbar & Filters */
.saved-q-toolbar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
}
.saved-q-search-box {
  position: relative;
  flex: 1;
  min-width: 240px;
}
.saved-q-search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--slate-400);
  pointer-events: none;
}
.saved-q-search-input {
  width: 100%;
  padding-left: 36px !important;
  padding-right: 32px !important;
  border-radius: 8px !important;
  border: 1px solid var(--border) !important;
  background: var(--surface-subtle) !important;
  color: var(--text-main) !important;
  font-size: 13px !important;
}
.saved-q-search-input:focus {
  background: var(--surface) !important;
  border-color: var(--primary) !important;
  color: var(--text-main) !important;
}
.saved-q-clear-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: var(--slate-400);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
  border-radius: 50%;
  line-height: 1;
}
.saved-q-clear-btn:hover {
  color: var(--slate-700);
  background: var(--surface-subtle);
}
.saved-q-filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Empty State */
.saved-q-empty-box {
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  padding: 50px 24px;
  text-align: center;
  margin-bottom: 24px;
}
.saved-q-empty-icon-wrap {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  color: #F59E0B;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.15);
}
.saved-q-tip-card {
  margin-top: 28px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  text-align: left;
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}
.saved-q-tip-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--slate-800);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.saved-q-tip-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--slate-600);
  line-height: 1.5;
}

/* Question Cards */
.saved-q-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--shadow-xs);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
}
.saved-q-card:hover {
  box-shadow: var(--shadow-md);
}
.saved-q-card.status-correct {
  border-left: 5px solid #10B981;
}
.saved-q-card.status-wrong {
  border-left: 5px solid #EF4444;
}
.saved-q-card.status-unattempted {
  border-left: 5px solid #94A3B8;
}
.saved-q-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}
.saved-q-meta-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.saved-q-badge-exam {
  background: rgba(99, 102, 241, 0.15);
  color: #A5B4FC;
  font-size: 11.5px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}
[data-theme="light"] .saved-q-badge-exam {
  background: #EEF2FF;
  color: #4F46E5;
  border-color: #C7D2FE;
}
.saved-q-badge-num {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--slate-700);
}
.saved-q-status-correct {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 800;
}
[data-theme="light"] .saved-q-status-correct {
  background: #ECFDF5;
  color: #059669;
  border-color: #A7F3D0;
}
.saved-q-status-wrong {
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 800;
}
[data-theme="light"] .saved-q-status-wrong {
  background: #FEF2F2;
  color: #DC2626;
  border-color: #FECACA;
}
.saved-q-status-unattempted {
  background: var(--surface-subtle);
  color: var(--slate-500);
  border: 1px solid var(--border);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 800;
}
.saved-q-time-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-subtle);
  color: var(--slate-700);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  border: 1px solid var(--border);
}
.saved-q-marks-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
}
.saved-q-statement {
  font-size: 15px;
  font-weight: 600;
  color: var(--slate-900);
  line-height: 1.7;
  margin-bottom: 16px;
}
.saved-q-option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.saved-q-opt-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  font-size: 13.5px;
  color: var(--slate-800);
  transition: border-color 0.15s, background 0.15s;
}
.saved-q-opt-item.is-correct {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34D399;
}
.saved-q-opt-item.is-user-wrong {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.4);
  color: #F87171;
}
[data-theme="light"] .saved-q-opt-item {
  background: #FFFFFF;
}
[data-theme="light"] .saved-q-opt-item.is-correct {
  background: #F0FDF4;
  border-color: #86EFAC;
  color: #166534;
}
[data-theme="light"] .saved-q-opt-item.is-user-wrong {
  background: #FEF2F2;
  border-color: #FCA5A5;
  color: #991B1B;
}
.saved-q-opt-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
  background: var(--surface);
  color: var(--slate-700);
  border: 1px solid var(--border);
}
.saved-q-opt-item.is-correct .saved-q-opt-badge {
  background: #22C55E;
  color: #FFFFFF;
  border: none;
}
.saved-q-opt-item.is-user-wrong .saved-q-opt-badge {
  background: #EF4444;
  color: #FFFFFF;
  border: none;
}
.saved-q-btn-remove {
  color: var(--error);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}
.saved-q-btn-remove:hover {
  background: #FEF2F2;
  color: #B91C1C;
}
.saved-q-btn-remove svg {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  flex-shrink: 0;
}
.saved-q-tab-btn svg {
  width: 15px;
  height: 15px;
  vertical-align: middle;
  flex-shrink: 0;
}
.saved-q-time-pill svg {
  width: 13px;
  height: 13px;
  vertical-align: middle;
  flex-shrink: 0;
}
.saved-q-status-correct svg,
.saved-q-status-wrong svg,
.saved-q-status-unattempted svg {
  width: 12px;
  height: 12px;
  vertical-align: middle;
  flex-shrink: 0;
}
.opt-status-icon svg {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  flex-shrink: 0;
}
.sol-opt-badge svg {
  width: 12px;
  height: 12px;
  vertical-align: middle;
  flex-shrink: 0;
}
.status-tag-correct svg,
.status-tag-wrong svg,
.status-tag-skipped svg {
  width: 12px;
  height: 12px;
  vertical-align: middle;
  flex-shrink: 0;
}
.back-link svg,
.analysis-top-banner .back-link svg,
.qp-top-banner .back-link svg {
  width: 16px;
  height: 16px;
  vertical-align: middle;
  flex-shrink: 0;
}
.apple-btn-pill svg {
  width: 15px;
  height: 15px;
  vertical-align: middle;
  flex-shrink: 0;
}
.sol-fullscreen-toggle-btn svg {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ============================================================
   TAX INVOICE & RECEIPT PRINT STYLING
   ============================================================ */
.invoice-card {
  background: #FFFFFF !important;
  color: #0F172A !important;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  max-width: 720px;
  margin: 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}

.invoice-header-band {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.invoice-body {
  padding: 32px;
}

.invoice-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.invoice-table th {
  background: #F8FAFC !important;
  color: #475569 !important;
  font-size: 11px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 12px 16px !important;
  border-bottom: 2px solid #E2E8F0 !important;
  text-align: left;
}

.invoice-table td {
  padding: 14px 16px !important;
  border-bottom: 1px solid #E2E8F0 !important;
  font-size: 13.5px !important;
  color: #1E293B !important;
}

.invoice-total-row td {
  border-top: 2px solid #0F172A !important;
  font-weight: 800 !important;
  font-size: 16px !important;
  color: #0F172A !important;
}

@media print {
  body * {
    visibility: hidden !important;
  }
  #invoice-printable-area, #invoice-printable-area * {
    visibility: visible !important;
  }
  #invoice-printable-area {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 20px !important;
    box-shadow: none !important;
    border: none !important;
    background: #FFFFFF !important;
    color: #000000 !important;
    z-index: 9999999 !important;
  }
  .modal-overlay {
    background: transparent !important;
    position: static !important;
  }
  .no-print, .modal-header, .modal-footer, .btn, button {
    display: none !important;
  }
}

/* ── UPI Payment & Subscription Dark / Light Theme Components ── */
.upi-pay-box {
  background: var(--surface-subtle);
  border: 2px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  margin-bottom: 24px;
  transition: all 0.2s ease;
}
[data-theme="light"] .upi-pay-box {
  background: #FFFBEB;
  border-color: #F59E0B;
}
.upi-copy-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--slate-900);
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-xs);
}
.upi-copy-pill:hover {
  border-color: var(--primary);
  background: var(--surface-raised);
}
.qr-container {
  display: inline-block;
  padding: 12px;
  background: #FFFFFF !important;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  margin: 14px 0;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* ── CBT Hero Banners & Theme-Adaptive Hub Sections ──────────── */
.cbt-hero-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98));
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.08));
  border-radius: 20px;
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--apple-card-shadow, 0 16px 36px -10px rgba(0, 0, 0, 0.7));
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}
.cbt-hero-banner.banner-live {
  border-color: rgba(239, 68, 68, 0.35);
}

[data-theme="light"] .cbt-hero-banner {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%) !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 10px 28px -8px rgba(15, 23, 42, 0.08) !important;
}
[data-theme="light"] .cbt-hero-banner.banner-live {
  border-color: #FECACA !important;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFF5F5 100%) !important;
}

.cbt-hero-banner h1,
.cbt-hero-banner h2 {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 800;
  color: #FFFFFF;
  margin: 0;
  letter-spacing: -0.02em;
}
[data-theme="light"] .cbt-hero-banner h1,
[data-theme="light"] .cbt-hero-banner h2 {
  color: #0F172A !important;
}

.cbt-hero-banner p {
  font-size: 14px;
  color: #94A3B8;
  margin: 6px 0 0;
  max-width: 650px;
  line-height: 1.5;
}
[data-theme="light"] .cbt-hero-banner p {
  color: #475569 !important;
}

.cbt-hero-banner .hero-decor-icon {
  position: absolute;
  right: -20px;
  top: -20px;
  font-size: 120px;
  opacity: 0.04;
  user-select: none;
  pointer-events: none;
}
[data-theme="light"] .cbt-hero-banner .hero-decor-icon {
  opacity: 0.08;
}

/* Hero Action Pill Buttons */
.hero-action-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  padding: 8px 18px;
  font-size: 13px;
  text-decoration: none !important;
  border-radius: 9999px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.hero-action-pill svg,
.hero-action-pill .pill-icon svg {
  width: 16px !important;
  height: 16px !important;
  min-width: 16px !important;
  min-height: 16px !important;
  max-width: 16px !important;
  max-height: 16px !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
  vertical-align: middle !important;
}
.hero-action-pill .pill-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hero-action-pill:hover {
  transform: translateY(-1px);
}

.hero-action-pill.pill-live {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #F87171;
}
[data-theme="light"] .hero-action-pill.pill-live {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #DC2626;
}
.hero-action-pill.pill-live:hover {
  background: rgba(239, 68, 68, 0.25);
}
[data-theme="light"] .hero-action-pill.pill-live:hover {
  background: #FEE2E2;
}

.hero-action-pill.pill-pyq {
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.35);
  color: #A78BFA;
}
[data-theme="light"] .hero-action-pill.pill-pyq {
  background: #F5F3FF;
  border-color: #DDD6FE;
  color: #7C3AED;
}
.hero-action-pill.pill-pyq:hover {
  background: rgba(124, 58, 237, 0.25);
}
[data-theme="light"] .hero-action-pill.pill-pyq:hover {
  background: #EDE9FE;
}

.hero-action-pill.pill-series {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #F59E0B;
}
[data-theme="light"] .hero-action-pill.pill-series {
  background: #FFFBEB;
  border-color: #FDE68A;
  color: #D97706;
}
.hero-action-pill.pill-series:hover {
  background: rgba(245, 158, 11, 0.25);
}
[data-theme="light"] .hero-action-pill.pill-series:hover {
  background: #FEF3C7;
}

.hero-action-pill.pill-mock {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #10B981;
}
[data-theme="light"] .hero-action-pill.pill-mock {
  background: #ECFDF5;
  border-color: #A7F3D0;
  color: #059669;
}
.hero-action-pill.pill-mock:hover {
  background: rgba(16, 185, 129, 0.25);
}
[data-theme="light"] .hero-action-pill.pill-mock:hover {
  background: #D1FAE5;
}

/* Category & PYQ Action Bar */
.cbt-action-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 18px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-xs);
}

/* Universal Theme-Adaptive Search and Filter Inputs */
.cbt-theme-input {
  width: 100%;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-strong, rgba(255, 255, 255, 0.14));
  background: var(--surface, rgba(255, 255, 255, 0.04));
  color: var(--text-main, #FFFFFF);
  font-size: 13px;
  transition: all 0.2s ease;
}
.cbt-theme-input:focus {
  outline: none;
  border-color: var(--primary, #F59E0B);
  box-shadow: 0 0 0 3px var(--primary-glow, rgba(245, 158, 11, 0.2));
}
.cbt-theme-input::placeholder {
  color: var(--text-muted, #71717A);
}
[data-theme="light"] .cbt-theme-input {
  background: #FFFFFF !important;
  color: #0F172A !important;
  border-color: #CBD5E1 !important;
}
[data-theme="light"] .cbt-theme-input::placeholder {
  color: #94A3B8 !important;
}

/* Base Desktop Styles for Student Results KPI Grid & Cards */
.results-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.results-kpi-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}
.results-kpi-card .kpi-icon-box {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.results-kpi-card .kpi-icon-box svg {
  width: 24px;
  height: 24px;
  stroke-width: 2.2px;
}
.results-kpi-card .kpi-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-500);
}
.results-kpi-card .kpi-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--slate-900);
  margin-top: 2px;
  font-family: var(--font-mono, monospace);
}

/* Empty State and Live Mock Icon Safety */
.empty-state-icon,
.empty-icon-box {
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.empty-state-icon svg,
.empty-icon-box svg {
  width: 28px !important;
  height: 28px !important;
  max-width: 28px !important;
  max-height: 28px !important;
  display: inline-block !important;
  stroke-width: 2.2px !important;
}

/* Universal Heading Inline SVG Safety */
h1 svg, h2 svg, h3 svg, h4 svg, h5 svg, h6 svg {
  width: 1.15em !important;
  height: 1.15em !important;
  max-width: 24px !important;
  max-height: 24px !important;
  display: inline-block !important;
  vertical-align: -0.15em !important;
  flex-shrink: 0 !important;
}

/* CBT Exam Modals Top Layer Safety */
#cbt-submit-modal,
#cbt-section-submit-modal,
#cbt-qp-modal,
#cbt-instructions-modal,
#cbt-exit-modal {
  z-index: 99999 !important;
}
#cbt-submit-modal[style*="display:none"],
#cbt-submit-modal[style*="display: none"],
#cbt-section-submit-modal[style*="display:none"],
#cbt-section-submit-modal[style*="display: none"],
#cbt-qp-modal[style*="display:none"],
#cbt-qp-modal[style*="display: none"],
#cbt-instructions-modal[style*="display:none"],
#cbt-instructions-modal[style*="display: none"],
#cbt-exit-modal[style*="display:none"],
#cbt-exit-modal[style*="display: none"],
#cbt-pause-modal[style*="display:none"],
#cbt-pause-modal[style*="display: none"],
#cbt-exit-modal:not(.active):not([style*="display: flex"]):not([style*="display:flex"]) {
  display: none !important;
}

/* ── Base Avatar Distortion Protection (Universal Circular & Non-Distorted) ── */
.student-banner-avatar,
.student-welcome-banner div[style*="width:64px"],
.portal-welcome-hero .student-banner-avatar,
.portal-welcome-hero div[style*="64px"],
.card[style*="background: linear-gradient(135deg, #0F172A"] div[style*="width:64px"],
.card[style*="linear-gradient(135deg, #0F172A"] div[style*="border-radius:var(--radius-md)"][style*="64px"] {
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  overflow: hidden !important;
}
.student-banner-avatar img,
.student-welcome-banner div[style*="width:64px"] img,
.portal-welcome-hero .student-banner-avatar img,
.portal-welcome-hero div[style*="64px"] img,
.card[style*="background: linear-gradient(135deg, #0F172A"] div[style*="width:64px"] img,
.card[style*="linear-gradient(135deg, #0F172A"] img[alt="Avatar"] {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  border-radius: 50% !important;
  display: block !important;
}

/* ============================================================
   UNIVERSAL MOBILE RESPONSIVE ENGINE (v9.0)
   Covers ALL Student Portal Pages & ALL Admin Command Center Pages
   Strictly scoped to @media (max-width: 768px) and @media (max-width: 480px)
   ZERO changes or regressions for Desktop/Web layouts!
   ============================================================ */

/* Portal Sidebar Backdrop */
.portal-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.portal-sidebar-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
body.portal-sidebar-open {
  overflow: hidden !important;
}

/* Referral Ledger Responsive Views */
.referral-ledger-mobile-cards {
  display: none;
}
.referral-ledger-desktop-table {
  display: block;
}
@media (max-width: 767px) {
  .referral-ledger-desktop-table {
    display: none !important;
  }
  .referral-ledger-mobile-cards {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    padding: 14px !important;
  }
}

/* Mobile & Tablet Drawer Navigation (< 1024px) */
@media (max-width: 1023px) {
  .portal-sidebar,
  .admin-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: -320px !important;
    width: min(280px, 82vw) !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    display: flex !important;
    flex-direction: column !important;
    z-index: 9999 !important;
    box-shadow: none !important;
    pointer-events: none !important;
    transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease !important;
    overflow: hidden !important;
  }
  .portal-sidebar .sidebar-nav,
  .admin-sidebar .sidebar-nav {
    flex: 1 1 auto !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: 8px !important;
  }
  .portal-sidebar .sidebar-footer,
  .admin-sidebar .sidebar-footer {
    flex-shrink: 0 !important;
    position: sticky !important;
    bottom: 0 !important;
    background: var(--bg-section) !important;
    border-top: 1px solid var(--border) !important;
    padding-bottom: max(16px, env(safe-area-inset-bottom)) !important;
    z-index: 20 !important;
  }
  .portal-sidebar.mobile-open,
  .admin-sidebar.open,
  .admin-sidebar.mobile-open {
    left: 0 !important;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5) !important;
    pointer-events: auto !important;
  }
  .mobile-portal-toggle {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .portal-user-btn {
    display: inline-flex !important;
  }
  .portal-content-wrap,
  .admin-content-wrap {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .portal-main,
  .admin-main {
    padding: var(--page-pad) !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
}

@media (max-width: 768px) {
  /* ── 1. General Mobile Typography & Input Safety ────────────── */
  input[type="text"],
  input[type="password"],
  input[type="email"],
  input[type="number"],
  input[type="tel"],
  input[type="date"],
  select,
  textarea,
  .form-control,
  .cbt-theme-input {
    font-size: 16px !important;
  }

  /* Touch target standard 44px min-height */
  .btn,
  .btn-sm,
  .btn-primary,
  .btn-secondary,
  .btn-dark,
  .btn-ghost,
  .cbt-option-card,
  .tab-pill,
  .chip-btn,
  .section-tab-btn {
    min-height: 44px;
    touch-action: manipulation;
  }
  .portal-topbar,
  .admin-topbar {
    padding: 0 12px !important;
    height: 56px !important;
    min-height: 56px !important;
    gap: 8px !important;
  }
  .portal-topbar .topbar-title {
    font-size: 14px !important;
    min-width: 0 !important;
    flex: 1 1 auto !important;
    max-width: 100% !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .admin-topbar h1 {
    font-size: 15px !important;
    min-width: 0 !important;
    flex: 1 1 auto !important;
    max-width: 100% !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .portal-user-btn {
    display: inline-flex !important;
  }

  .admin-header,
  .portal-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    margin-bottom: 16px !important;
  }
  .admin-header .flex,
  .portal-header .flex {
    width: 100% !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
    gap: 8px !important;
  }
  .admin-header .btn,
  .portal-header .btn {
    flex: 1 1 auto !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* ── 3. Universal Filter Bars & Search Inputs ────────────────── */
  .filter-bar,
  .cbt-action-bar,
  .admin-filters {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    padding: 12px !important;
  }
  .filter-bar .search-input-wrap,
  .filter-bar select,
  .filter-bar input,
  .filter-bar .btn,
  .cbt-action-bar select,
  .cbt-action-bar input,
  .cbt-action-bar .search-input-wrap {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  /* ── 4. High-Performance Swipeable Data Tables ───────────────── */
  .table-wrap,
  .table-responsive,
  .layout-admin .table-wrap,
  .layout-admin .table-responsive,
  .portal-main .table-wrap {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    display: block !important;
    margin-bottom: 20px !important;
    border-radius: var(--radius-sm) !important;
  }
  .table-wrap table,
  .table-responsive table,
  .layout-admin table,
  .portal-main table {
    min-width: 860px !important;
    width: 100% !important;
  }
  .table-wrap th,
  .layout-admin th {
    padding: 10px 12px !important;
    font-size: 11px !important;
    white-space: nowrap !important;
  }
  .table-wrap td,
  .layout-admin td {
    padding: 12px 10px !important;
    font-size: 13px !important;
  }
  .table-wrap td .flex.gap-1,
  .layout-admin td .flex.gap-1 {
    flex-wrap: nowrap !important;
    gap: 6px !important;
  }
  .table-wrap td .btn,
  .layout-admin td .btn {
    white-space: nowrap !important;
    padding: 4px 8px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
  }

  /* ── 5. Universal Mobile Modals & Popups ─────────────────────── */
  .modal-overlay {
    padding: 12px !important;
    align-items: center !important;
  }
  .modal {
    width: 96vw !important;
    max-width: 96vw !important;
    margin: 10px auto !important;
    max-height: 88vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border-radius: var(--radius-md) !important;
    padding: 16px !important;
  }
  .modal-header {
    padding-bottom: 12px !important;
    margin-bottom: 14px !important;
  }
  .modal-title {
    font-size: var(--text-lg) !important;
  }
  .modal-body {
    padding: 0 !important;
  }
  .modal-footer {
    flex-direction: column-reverse !important;
    gap: 8px !important;
    margin: 16px -16px -16px !important;
    padding: 14px 16px !important;
  }
  .modal-footer .btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    height: 42px !important;
  }
  .modal form .form-row,
  .modal form .grid-2,
  .modal form div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  /* Modal action buttons mobile responsive (R8) */
  .modal .btn,
  .modal a.btn,
  .modal button.btn,
  .modal-action-btn {
    white-space: normal !important;
    height: auto !important;
    min-height: 42px !important;
    line-height: 1.35 !important;
    padding: 10px 14px !important;
    text-align: center !important;
    word-break: break-word !important;
    box-sizing: border-box !important;
  }

  /* Collapse 2-column modal button grids into 1fr */
  .modal div[style*="grid-template-columns:1fr 1fr"],
  .modal div[style*="grid-template-columns: 1fr 1fr"],
  .modal div[style*="grid-template-columns: repeat(2"] {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  /* ── 6. Student Dashboard & Portal Mobile Styles ─────────────── */
  .portal-hero,
  .student-welcome-banner {
    padding: 20px 16px !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 16px !important;
  }

  /* Stat & KPI Cards */
  .grid-4,
  .stats-grid,
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }
  .metric-card,
  .stat-card {
    padding: 14px 12px !important;
  }
  .metric-card .stat-value,
  .stat-card .stat-number {
    font-size: var(--text-xl) !important;
  }

  /* Test grids & series grids */
  .grid-3,
  .grid-2,
  .test-grid,
  .series-grid,
  .exam-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  /* Horizontal swipeable filter chips */
  .category-chips-wrap,
  .filter-pills-bar,
  .tabs-nav-bar {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    gap: 8px !important;
    padding-bottom: 6px !important;
    scrollbar-width: none !important;
  }
  .category-chips-wrap::-webkit-scrollbar,
  .filter-pills-bar::-webkit-scrollbar,
  .tabs-nav-bar::-webkit-scrollbar {
    display: none !important;
  }
  .chip-btn,
  .filter-pill,
  .tab-pill {
    flex-shrink: 0 !important;
  }

  /* ── 7. Student Profile & Banner Mobile Optimizations (R8 & R9) ─── */
  #profile-avatar-display {
    width: 60px !important;
    height: 60px !important;
    min-width: 60px !important;
    max-width: 60px !important;
    min-height: 60px !important;
    max-height: 60px !important;
    aspect-ratio: 1 / 1 !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    font-size: 22px !important;
  }
  #profile-avatar-display img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: 50% !important;
    display: block !important;
  }
  .student-banner-avatar,
  .student-welcome-banner div[style*="width:64px"],
  .portal-welcome-hero .student-banner-avatar,
  .portal-welcome-hero div[style*="64px"],
  .card[style*="background: linear-gradient(135deg, #0F172A"] div[style*="width:64px"],
  .card[style*="linear-gradient(135deg, #0F172A"] div[style*="64px"] {
    width: 54px !important;
    height: 54px !important;
    min-width: 54px !important;
    min-height: 54px !important;
    max-width: 54px !important;
    max-height: 54px !important;
    flex-shrink: 0 !important;
    aspect-ratio: 1 / 1 !important;
    border-radius: 50% !important;
    font-size: 22px !important;
    overflow: hidden !important;
  }
  .student-banner-avatar img,
  .student-welcome-banner div[style*="width:64px"] img,
  .portal-welcome-hero .student-banner-avatar img,
  .portal-welcome-hero div[style*="64px"] img,
  .card[style*="background: linear-gradient(135deg, #0F172A"] div[style*="width:64px"] img,
  .card[style*="linear-gradient(135deg, #0F172A"] img[alt="Avatar"] {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: 50% !important;
    display: block !important;
  }
  /* Profile tabs swipeable bar */
  div[style*="border-bottom:1px solid var(--border); margin-bottom:24px; gap:8px;"] {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    display: flex !important;
    scrollbar-width: none !important;
  }
  div[style*="border-bottom:1px solid var(--border); margin-bottom:24px; gap:8px;"]::-webkit-scrollbar {
    display: none !important;
  }
  div[style*="border-bottom:1px solid var(--border); margin-bottom:24px; gap:8px;"] button {
    flex-shrink: 0 !important;
    padding: 8px 12px !important;
    font-size: 13px !important;
  }

  /* ── 8. Student Subscription & Plans Mobile Styles ───────────── */
  .plans-grid,
  .subscription-cards-wrap {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .pricing-plan-card {
    padding: 20px 16px !important;
  }
  .pricing-plan-card .btn {
    width: 100% !important;
    height: 46px !important;
    font-size: 15px !important;
  }

  /* UPI QR & Payment Proof Upload */
  .payment-qr-wrap {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 16px !important;
  }
  .payment-qr-img {
    max-width: 180px !important;
  }

  /* ── 9. CBT Exam Hall Interface Mobile Optimization (Mobile-First Master) ── */
  .layout-cbt,
  .cbt-body {
    overflow-x: hidden !important;
  }

  /* Compact Mobile Top Header */
  .cbt-header {
    padding: 0 8px !important;
    min-height: 46px !important;
    height: 46px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 6px !important;
    background: var(--bg-section) !important;
    border-bottom: 2px solid var(--primary) !important;
    z-index: 1001 !important;
  }
  .cbt-header-left {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    min-width: 0 !important;
    flex: 1 1 auto !important;
  }
  .cbt-mobile-back-btn {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 6px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid var(--border) !important;
    color: var(--primary) !important;
    font-size: 15px !important;
    font-weight: 900 !important;
    cursor: pointer !important;
  }
  .cbt-title-wrap {
    min-width: 0 !important;
    overflow: hidden !important;
  }
  .cbt-exam-title {
    font-size: 12.5px !important;
    font-weight: 800 !important;
    color: var(--text-main) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: clamp(90px, 32vw, 220px) !important;
    line-height: 1.2 !important;
  }
  .cbt-mobile-q-pill {
    display: inline-flex !important;
    align-items: center !important;
    gap: 2px !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    background: rgba(245, 158, 11, 0.15) !important;
    color: var(--primary) !important;
    padding: 2px 7px !important;
    border-radius: 4px !important;
    border: 1px solid rgba(245, 158, 11, 0.35) !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }
  .cbt-header-right {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    flex-shrink: 0 !important;
  }
  .cbt-header-icon-btn {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 6px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-main) !important;
    font-size: 13.5px !important;
    cursor: pointer !important;
    transition: all 0.12s ease !important;
  }
  .cbt-header-icon-btn:hover {
    background: var(--surface-subtle) !important;
    border-color: var(--primary) !important;
  }
  .cbt-timer, .cbt-timer-badge {
    font-size: 11.5px !important;
    font-weight: 900 !important;
    padding: 3px 7px !important;
    height: 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    border-radius: 6px !important;
    background: #0F172A !important;
    color: #FCD34D !important;
    border: 1px solid rgba(245, 158, 11, 0.35) !important;
    white-space: nowrap !important;
  }

  /* Ultra-Compact Section Bar on Mobile */
  .cbt-section-bar {
    min-height: 34px !important;
    height: 34px !important;
    padding: 0 8px !important;
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border) !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
  }
  .cbt-section-bar::-webkit-scrollbar {
    display: none !important;
  }
  .section-tab-btn {
    height: 26px !important;
    padding: 0 10px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    border-radius: 4px !important;
    border: 1px solid var(--border) !important;
    background: var(--surface-subtle) !important;
    color: var(--text-muted) !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    flex-shrink: 0 !important;
  }
  .section-tab-btn.active {
    background: var(--primary) !important;
    color: var(--text-on-primary) !important;
    border-color: #D97706 !important;
    font-weight: 800 !important;
  }

  /* Question Area & Spacing */
  .cbt-question-pane {
    padding: 10px 12px calc(115px + env(safe-area-inset-bottom, 0px)) !important;
    background: var(--surface) !important;
    overflow-y: auto !important;
  }
  .cbt-question-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 6px !important;
    padding-bottom: 8px !important;
    margin-bottom: 10px !important;
    border-bottom: 1px solid var(--border) !important;
  }
  .cbt-q-badges {
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
    flex-wrap: nowrap !important;
  }
  .cbt-q-badge {
    font-size: 11px !important;
    font-weight: 800 !important;
    padding: 2px 6px !important;
    border-radius: 4px !important;
    line-height: 1.2 !important;
    display: inline-flex !important;
    align-items: center !important;
  }
  .cbt-q-badge.q-num {
    background: var(--surface-subtle) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--border) !important;
  }
  .cbt-q-badge.q-pos {
    background: #ECFDF5 !important;
    color: #059669 !important;
    border: 1px solid #A7F3D0 !important;
  }
  .cbt-q-badge.q-neg {
    background: #FEF2F2 !important;
    color: #DC2626 !important;
    border: 1px solid #FECACA !important;
  }
  .cbt-q-badge.q-time {
    background: rgba(8, 145, 178, 0.1) !important;
    color: #0891B2 !important;
    border: 1px solid rgba(8, 145, 178, 0.25) !important;
  }

  /* Action Buttons & Segmented Language Control */
  .cbt-q-actions {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    margin-left: auto !important;
  }
  .cbt-action-icon-btn {
    height: 26px !important;
    padding: 0 6px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    border-radius: 4px !important;
    border: 1px solid var(--border) !important;
    background: var(--surface) !important;
    color: var(--text-main) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 3px !important;
    cursor: pointer !important;
    transition: all 0.12s ease !important;
  }
  .cbt-action-icon-btn.saved {
    color: #06B6D4 !important;
    border-color: #06B6D4 !important;
    background: rgba(6, 182, 212, 0.1) !important;
  }
  .cbt-action-icon-btn.report {
    color: #EF4444 !important;
  }
  .cbt-seg-lang {
    display: inline-flex !important;
    height: 26px !important;
    border: 1.5px solid var(--primary) !important;
    border-radius: 5px !important;
    overflow: hidden !important;
    background: var(--surface) !important;
  }
  .cbt-seg-btn {
    border: none !important;
    background: transparent !important;
    padding: 0 8px !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    color: var(--text-muted) !important;
    cursor: pointer !important;
    transition: all 0.12s ease !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .cbt-seg-btn.active {
    background: var(--primary) !important;
    color: #FFFFFF !important;
    font-weight: 900 !important;
  }

  /* Translation Loading & Error Banners */
  .cbt-trans-state-banner {
    padding: 6px 10px !important;
    border-radius: 6px !important;
    font-size: 11.5px !important;
    font-weight: 700 !important;
    margin-bottom: 8px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
  }
  .cbt-trans-state-banner.loading {
    background: rgba(245, 158, 11, 0.12) !important;
    color: #D97706 !important;
    border: 1px solid rgba(245, 158, 11, 0.35) !important;
  }
  .cbt-trans-state-banner.error {
    background: #FEF2F2 !important;
    color: #DC2626 !important;
    border: 1px solid #FECACA !important;
  }

  /* Question Content Typography */
  .q-text-content {
    font-size: 15.5px !important;
    line-height: 1.55 !important;
    color: var(--text-main) !important;
    font-weight: 500 !important;
    margin-bottom: 12px !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    max-width: 100% !important;
  }
  .q-text-content img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 6px !important;
    margin: 6px 0 !important;
  }

  /* Compact Touch-Friendly CBT Option Cards */
  .cbt-options-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    margin-bottom: 16px !important;
  }
  .cbt-option-card {
    min-height: 44px !important;
    padding: 8px 12px !important;
    border-radius: 8px !important;
    border: 1.5px solid var(--border) !important;
    background: var(--surface) !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    cursor: pointer !important;
    user-select: none !important;
    transition: all 0.12s ease !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .cbt-option-card:active {
    transform: scale(0.99) !important;
  }
  .cbt-option-card .option-key-circle {
    width: 26px !important;
    height: 26px !important;
    min-width: 26px !important;
    font-size: 11.5px !important;
    font-weight: 800 !important;
    border-radius: 50% !important;
    border: 1.5px solid var(--border-strong) !important;
    color: var(--text-muted) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    transition: all 0.12s ease !important;
  }
  .cbt-option-card .option-text {
    font-size: 14px !important;
    line-height: 1.45 !important;
    color: var(--text-main) !important;
    flex: 1 1 auto !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }
  .cbt-option-card.selected {
    border-color: var(--primary) !important;
    background: var(--primary-light) !important;
    box-shadow: 0 0 0 1.5px var(--primary-glow) !important;
  }
  .cbt-option-card.selected .option-key-circle {
    background: var(--primary) !important;
    border-color: var(--primary-hover) !important;
    color: #FFFFFF !important;
  }

  /* Lightweight Single-Row Sticky Footer with Safe Area Protection */
  .cbt-footer {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 6px 10px calc(6px + env(safe-area-inset-bottom, 0px)) !important;
    height: auto !important;
    min-height: 52px !important;
    gap: 6px !important;
    background: var(--surface) !important;
    border-top: 1px solid var(--border) !important;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08) !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1002 !important;
  }
  .cbt-footer-left {
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
    width: auto !important;
  }
  .cbt-footer-left .btn {
    width: auto !important;
    height: 36px !important;
    font-size: 11.5px !important;
    font-weight: 800 !important;
    padding: 0 8px !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    border-radius: 8px !important;
  }
  .cbt-footer-right {
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
    width: auto !important;
  }
  .cbt-footer-right.no-submit {
    display: flex !important;
  }
  .cbt-footer-right .btn,
  .cbt-footer-right #cbt-submit-btn-container .btn {
    width: auto !important;
    height: 36px !important;
    font-size: 11.5px !important;
    font-weight: 800 !important;
    padding: 0 8px !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    border-radius: 8px !important;
  }

  /* Ultra-Narrow Viewport (Android 360px) Specific Fine-Tuning */
  @media (max-width: 365px) {
    .cbt-header {
      padding: 0 5px !important;
    }
    .cbt-exam-title {
      max-width: 90px !important;
      font-size: 11.5px !important;
    }
    .cbt-q-badge {
      font-size: 10px !important;
      padding: 2px 4px !important;
    }
    .cbt-action-icon-btn {
      padding: 0 4px !important;
      font-size: 10px !important;
    }
    .cbt-seg-btn {
      padding: 0 6px !important;
      font-size: 10px !important;
    }
    .q-text-content {
      font-size: 14.5px !important;
    }
    .cbt-option-card {
      padding: 7px 10px !important;
    }
    .cbt-option-card .option-text {
      font-size: 13.5px !important;
    }
    .cbt-footer-left .btn,
    .cbt-footer-right .btn {
      height: 33px !important;
      font-size: 10.5px !important;
    }
  }

  /* Dark Theme Contrast Enhancements for CBT */
  [data-theme="dark"] .cbt-header {
    background: #0F172A !important;
    border-bottom-color: #F59E0B !important;
  }
  [data-theme="dark"] .cbt-section-bar {
    background: #1E293B !important;
    border-bottom-color: #334155 !important;
  }
  [data-theme="dark"] .section-tab-btn {
    background: #0F172A !important;
    border-color: #334155 !important;
    color: #94A3B8 !important;
  }
  [data-theme="dark"] .section-tab-btn.active {
    background: #F59E0B !important;
    color: #0F172A !important;
    border-color: #D97706 !important;
  }
  [data-theme="dark"] .cbt-question-pane {
    background: #0F172A !important;
  }
  [data-theme="dark"] .cbt-option-card {
    background: #1E293B !important;
    border-color: #334155 !important;
  }
  [data-theme="dark"] .cbt-option-card.selected {
    background: rgba(245, 158, 11, 0.15) !important;
    border-color: #F59E0B !important;
  }
  [data-theme="dark"] .cbt-option-card .option-key-circle {
    border-color: #475569 !important;
    color: #94A3B8 !important;
  }
  [data-theme="dark"] .cbt-footer {
    background: #0F172A !important;
    border-top-color: #334155 !important;
  }
  [data-theme="dark"] .q-text-content {
    color: #F8FAFC !important;
  }
  [data-theme="dark"] .cbt-option-card .option-text {
    color: #E2E8F0 !important;
  }

  /* Adaptive Quiz Footer on Mobile */
  #cbt-quiz-footer {
    display: flex !important;
    flex-direction: column !important;
    padding: 8px 10px !important;
    height: auto !important;
    min-height: 80px !important;
    gap: 6px !important;
  }
  #cbt-quiz-footer .cbt-footer-left {
    display: flex !important;
    justify-content: flex-start !important;
    width: 100% !important;
  }
  #cbt-quiz-footer .cbt-footer-left .btn {
    width: 100% !important;
    height: 38px !important;
    font-size: 12.5px !important;
    font-weight: 700 !important;
  }
  #cbt-quiz-footer .cbt-footer-right {
    display: grid !important;
    grid-template-columns: 1fr 1.5fr 1fr !important;
    gap: 6px !important;
    width: 100% !important;
    align-items: center !important;
  }
  #cbt-quiz-footer .cbt-footer-right .btn {
    width: 100% !important;
    height: 38px !important;
    font-size: 11.5px !important;
    font-weight: 700 !important;
    padding: 0 4px !important;
    white-space: nowrap !important;
  }

  /* Question Palette Drawer Sliding on Mobile */
  .cbt-body {
    grid-template-columns: 1fr !important;
    position: relative !important;
  }
  .cbt-palette-backdrop,
  .solution-palette-backdrop {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(15, 23, 42, 0.6) !important;
    backdrop-filter: blur(2px) !important;
    z-index: 9998 !important;
    display: none;
    transition: opacity 0.2s ease !important;
  }
  .cbt-sidebar-pane,
  .solution-sidebar-pane {
    position: fixed !important;
    top: 0 !important;
    bottom: 0 !important;
    right: 0 !important;
    width: 320px !important;
    max-width: 84vw !important;
    z-index: 9999 !important;
    background: var(--surface, #FFFFFF) !important;
    border-left: 1px solid var(--border) !important;
    box-shadow: none !important; /* CRITICAL: No shadow bleed onto screen when drawer is closed */
    visibility: hidden !important; /* CRITICAL: Hide from paint tree */
    pointer-events: none !important;
    transform: translateX(100%) !important;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s ease !important;
    display: flex !important;
    flex-direction: column !important;
    overflow-y: auto !important;
  }
  .cbt-sidebar-pane.mobile-open,
  .solution-sidebar-pane.mobile-open {
    transform: translateX(0) !important;
    visibility: visible !important;
    pointer-events: auto !important;
    box-shadow: -10px 0 35px rgba(0, 0, 0, 0.35) !important;
  }
  #cbt-palette-toggle,
  #sol-palette-toggle {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: rgba(255,255,255,0.18) !important;
    border: 1px solid rgba(255,255,255,0.3) !important;
    border-radius: 6px !important;
    padding: 2px 8px !important;
    font-size: 20px !important;
    color: #FFFFFF !important;
    cursor: pointer !important;
  }
  .cbt-palette-grid-testbook {
    display: grid !important;
    grid-template-columns: repeat(7, 1fr) !important;
    gap: 6px !important;
    padding: 10px 14px !important;
  }
  .palette-btn-testbook {
    aspect-ratio: 1 / 1 !important;
    width: 100% !important;
    min-height: 32px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    border: 1.5px solid transparent !important;
    cursor: pointer !important;
    padding: 0 !important;
    transition: transform 0.12s ease, box-shadow 0.12s ease !important;
  }
  .palette-btn-testbook:active {
    transform: scale(0.92) !important;
  }
  .palette-btn-testbook.not-answered {
    background: #2563EB !important;
    color: #FFFFFF !important;
  }
  .palette-btn-testbook.answered {
    background: #10B981 !important;
    color: #FFFFFF !important;
  }
  .palette-btn-testbook.active-q {
    background: #FFFFFF !important;
    color: #2563EB !important;
    border-color: #2563EB !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.3) !important;
    font-weight: 900 !important;
  }
  [data-theme="dark"] .palette-btn-testbook.active-q {
    background: #1E293B !important;
    color: #60A5FA !important;
    border-color: #3B82F6 !important;
  }
  .palette-btn-testbook.not-visited {
    background: #F1F5F9 !important;
    color: #475569 !important;
    border-color: #E2E8F0 !important;
  }
  [data-theme="dark"] .palette-btn-testbook.not-visited {
    background: #1E293B !important;
    color: #94A3B8 !important;
    border-color: #334155 !important;
  }
  .palette-btn-testbook.marked-review {
    background: #8B5CF6 !important;
    color: #FFFFFF !important;
  }
  .palette-btn-testbook.ans-review {
    background: #7C3AED !important;
    color: #FFFFFF !important;
    border-color: #10B981 !important;
  }
  .cbt-drawer-top-actions {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 12px 14px 8px !important;
    border-bottom: 1px solid var(--border) !important;
  }
  .cbt-drawer-link-btn {
    background: none !important;
    border: none !important;
    font-size: 12.5px !important;
    font-weight: 700 !important;
    color: #0284C7 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 4px !important;
  }
  .cbt-drawer-legend-card {
    margin: 8px 14px !important;
    padding: 10px 12px !important;
    background: #F8FAFC !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
  }
  [data-theme="dark"] .cbt-drawer-legend-card {
    background: rgba(30, 41, 59, 0.6) !important;
    border-color: #334155 !important;
  }
  .cbt-drawer-legend-card .legend-row-item {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  .legend-dot {
    width: 11px !important;
    height: 11px !important;
    border-radius: 50% !important;
    display: inline-block !important;
  }
  .legend-dot.answered { background: #10B981 !important; }
  .legend-dot.not-answered { background: #2563EB !important; }
  .legend-dot.not-visited { background: #CBD5E1 !important; }
  .legend-dot.marked-review { background: #8B5CF6 !important; }
  .cbt-drawer-bottom-submit {
    margin-top: auto !important;
    padding: 14px !important;
    border-top: 1px solid var(--border) !important;
    background: var(--surface, #FFFFFF) !important;
    position: sticky !important;
    bottom: 0 !important;
  }
  .cbt-btn-submit-drawer {
    width: 100% !important;
    background: #5A738E !important;
    color: #FFFFFF !important;
    font-size: 13.5px !important;
    font-weight: 800 !important;
    padding: 11px !important;
    border-radius: 6px !important;
    letter-spacing: 0.5px !important;
    border: none !important;
    cursor: pointer !important;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15) !important;
  }
  .cbt-btn-submit-drawer:hover {
    background: #475569 !important;
  }

  /* ── 10. Student Results & Scorecard Mobile Optimization ──────── */
  .results-kpi-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
    margin-bottom: 16px !important;
  }
  .results-kpi-card {
    padding: 10px 6px !important;
    gap: 6px !important;
    flex-direction: column !important;
    text-align: center !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 8px !important;
  }
  .results-kpi-card .kpi-icon-box {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    font-size: 15px !important;
    border-radius: 8px !important;
  }
  .results-kpi-card .kpi-title {
    font-size: 9px !important;
    line-height: 1.15 !important;
    white-space: normal !important;
    word-break: normal !important;
  }
  .results-kpi-card .kpi-value {
    font-size: 17px !important;
    font-weight: 900 !important;
  }

  .result-hero-grid,
  .scorecard-summary-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .scorecard-metric-card {
    padding: 16px !important;
  }
  .solution-nav-chips {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    display: flex !important;
    gap: 6px !important;
    scrollbar-width: none !important;
  }
  .solution-nav-chips::-webkit-scrollbar {
    display: none !important;
  }
}

/* ── 11. Extra Small Mobile Devices (<= 480px) ────────────────── */
@media (max-width: 480px) {
  .grid-4,
  .stats-grid,
  .metrics-grid {
    grid-template-columns: 1fr !important;
  }
  .portal-topbar h1,
  .admin-topbar h1 {
    font-size: var(--text-base) !important;
  }
  .cbt-footer .btn {
    padding: 0 8px !important;
    font-size: 11px !important;
  }
}

/* ── 12. Animated Notification Blinking Dot ────────────────── */
.badge-dot-blinking {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #EF4444;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  animation: pulse-red-dot 1.2s infinite ease-in-out;
  margin-left: 8px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ── 13. CBT Live Engine Offline Bar & Question Paper Modal ── */
.cbt-offline-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #DC2626;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  padding: 8px 12px;
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.cbt-offline-bar.active {
  display: flex;
}
.cbt-offline-bar.reconnected {
  background: #10B981;
}

.cbt-sync-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  user-select: none;
}
.cbt-sync-status-badge:hover {
  filter: brightness(1.1);
}
.cbt-sync-status-badge .sync-dot {
  width: 6.5px;
  height: 6.5px;
  border-radius: 50%;
  background: currentColor;
}
.cbt-sync-status-badge.pending {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.4);
  color: #F59E0B;
}
.cbt-sync-status-badge.pending .sync-dot {
  animation: pulse 1.5s infinite;
}
.cbt-sync-status-badge.syncing {
  background: rgba(59, 130, 246, 0.14);
  border-color: rgba(59, 130, 246, 0.4);
  color: #3B82F6;
}

.cbt-qp-modal {
  max-width: 920px !important;
  width: 92vw !important;
  max-height: 88vh !important;
}
.cbt-qp-section-title {
  background: var(--surface-raised, #18181B);
  padding: 10px 14px;
  border-radius: var(--radius-sm, 6px);
  font-weight: 800;
  color: var(--primary, #F59E0B);
  margin: 18px 0 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cbt-qp-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm, 6px);
  padding: 14px;
  margin-bottom: 12px;
  background: var(--surface);
}

@keyframes pulse-red-dot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.8);
  }
  70% {
    transform: scale(1.18);
    box-shadow: 0 0 0 7px rgba(239, 68, 68, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
  }
}

/* ============================================================
   CBT PLATFORM — HOME PAGE MOBILE RESPONSIVE FIXES
   ============================================================ */

/* 1. Global Navigation Mobile Menu Drawer */
@media (max-width: 768px) {
  .pub-nav {
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    background: var(--surface) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
  }
  .pub-nav-inner {
    padding: 8px 16px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  .pub-nav .brand {
    font-size: 18px !important;
    max-width: clamp(120px, 38vw, 180px) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .mobile-nav-right {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin-left: auto !important;
  }
  .mobile-theme-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 36px !important;
    min-height: 36px !important;
    padding: 6px 10px !important;
    border-radius: 9999px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.12)) !important;
    color: var(--apple-text-title, #FFFFFF) !important;
    font-size: 11px !important;
    cursor: pointer;
  }
  [data-theme="light"] .mobile-theme-btn {
    background: #F1F5F9 !important;
    border-color: #CBD5E1 !important;
    color: #0F172A !important;
  }
  .mobile-nav-signin-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
    min-height: 36px !important;
    padding: 6px 14px !important;
    font-size: 12px !important;
    font-weight: 800 !important;
    border-radius: 9999px !important;
    background: var(--primary, #F59E0B) !important;
    color: #000000 !important;
    border: none !important;
    text-decoration: none !important;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3) !important;
    white-space: nowrap !important;
  }
  .hamburger {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    padding: 6px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    color: var(--apple-text-title, #FFFFFF) !important;
  }
  .pub-nav .nav-links,
  .pub-nav .nav-actions {
    display: none !important;
  }
  .pub-nav.mobile-open .nav-links {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
    padding: 14px 0 10px !important;
    border-top: 1px solid var(--apple-nav-border, rgba(255, 255, 255, 0.1)) !important;
  }
  .pub-nav.mobile-open .nav-links a {
    font-size: 14px !important;
    padding: 8px 12px !important;
    display: block !important;
  }
  .pub-nav.mobile-open .nav-actions {
    display: flex !important;
    flex-wrap: wrap !important;
    width: 100% !important;
    gap: 10px !important;
    padding-bottom: 14px !important;
  }
  .pub-nav.mobile-open .nav-actions .btn,
  .pub-nav.mobile-open .nav-actions .theme-toggle-btn {
    flex: 1 1 auto;
    justify-content: center;
    text-align: center;
  }

  /* Ribbon */
  .apple-ribbon {
    font-size: 11.5px !important;
    padding: 8px 12px !important;
  }
  .apple-ribbon a {
    display: inline-block;
    margin-top: 2px;
  }

  /* Hero Section */
  .apple-hero {
    padding: 36px 16px 50px !important;
  }
  .apple-eyebrow {
    font-size: 10.5px !important;
    padding: 5px 12px !important;
    margin-bottom: 16px !important;
    white-space: normal !important;
    text-align: center;
  }
  .apple-hero-title {
    font-size: clamp(24px, 7vw, 38px) !important;
    line-height: 1.15 !important;
    margin-bottom: 14px !important;
    letter-spacing: -0.02em !important;
  }
  .apple-hero-sub {
    font-size: 14.5px !important;
    line-height: 1.45 !important;
    margin-bottom: 24px !important;
  }
  .apple-search-bar {
    max-width: 100% !important;
    flex-direction: row !important;
    align-items: center !important;
    padding: 6px 6px 6px 14px !important;
    border-radius: 9999px !important;
    gap: 8px !important;
    margin-bottom: 28px !important;
  }
  .apple-search-bar > div:first-child {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-right: 0 !important;
    flex-shrink: 0 !important;
  }
  .apple-search-bar svg,
  .apple-search-bar div svg {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    min-height: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
    flex-shrink: 0 !important;
  }
  .apple-search-bar input {
    font-size: 13px !important;
    padding: 6px 0 !important;
    text-align: left !important;
    flex: 1 !important;
    min-width: 0 !important;
  }
  .apple-search-bar button {
    width: auto !important;
    padding: 8px 16px !important;
    font-size: 13px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    border-radius: 9999px !important;
  }
  .apple-cta-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
    margin-bottom: 32px !important;
  }
  .apple-cta-group .apple-btn-pill {
    width: 100% !important;
    justify-content: center;
    text-align: center;
    padding: 12px 20px !important;
  }

  /* Studio Simulation Frame */
  .apple-studio-chassis {
    border-radius: 14px !important;
    margin: 0 !important;
  }
  .apple-window-bar {
    padding: 10px 12px !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .apple-window-bar > div:nth-child(2) {
    font-size: 10.5px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 170px !important;
  }
  .apple-studio-content {
    padding: 16px 12px !important;
  }
  .apple-studio-content > div:first-child {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
  }
  #sim-options-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .sim-opt {
    padding: 10px 12px !important;
  }
  .sim-opt .sim-opt-text {
    font-size: 13px !important;
  }

  /* Sticky Subnav */
  .apple-subnav-wrapper {
    padding: 0 12px !important;
    gap: 8px !important;
  }
  .apple-tab-pill {
    padding: 6px 12px !important;
    font-size: 12px !important;
  }
  .theme-switch-pill {
    padding: 5px 10px !important;
    font-size: 11.5px !important;
  }

  /* Spotlight Arena Banner */
  .apple-spotlight-arena {
    padding: 20px 16px !important;
    border-radius: 16px !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 16px !important;
  }
  .apple-spotlight-title {
    font-size: 20px !important;
  }
  .apple-spotlight-desc {
    font-size: 13.5px !important;
    line-height: 1.5 !important;
  }
  .apple-spotlight-chips {
    gap: 6px !important;
  }
  .apple-spotlight-chip {
    font-size: 11px !important;
    padding: 4px 8px !important;
  }
  .apple-spotlight-arena > div:last-child {
    width: 100% !important;
  }
  .apple-spotlight-arena > div:last-child button,
  .apple-spotlight-arena > div:last-child a {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* Section Headers & Bento Grid */
  .apple-bento-section {
    padding: 40px 16px !important;
  }
  .apple-section-header {
    margin-bottom: 28px !important;
  }
  .apple-section-title {
    font-size: clamp(22px, 6vw, 32px) !important;
  }
  .apple-section-desc {
    font-size: 14px !important;
  }
  .apple-bento-grid {
    gap: 16px !important;
  }
  .apple-bento-card {
    padding: 20px 16px !important;
    border-radius: 16px !important;
  }
  .apple-bento-card h3 {
    font-size: 19px !important;
  }

  /* Featured Tests & Pricing Plans Grid */
  #featured-tests-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .apple-pricing-section {
    padding: 40px 16px !important;
  }
  #home-plans-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .apple-plan-card {
    padding: 20px 16px !important;
  }

  /* Comparison Matrix Table */
  .apple-comparison-section {
    padding: 40px 16px !important;
  }
  .apple-comparison-card {
    border-radius: 16px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .apple-comparison-card table {
    min-width: 540px !important;
  }
  .apple-comparison-card th,
  .apple-comparison-card td {
    padding: 12px 14px !important;
    font-size: 12.5px !important;
  }

  /* Testimonials & FAQ */
  .apple-testimonials-section {
    padding: 40px 16px !important;
  }
  .apple-testimonials-section > div > div:last-child {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .apple-review-card {
    padding: 18px 14px !important;
  }
  .apple-review-quote {
    font-size: 13.5px !important;
  }
  .apple-faq-section {
    padding: 40px 16px 50px !important;
  }
  .apple-faq-question {
    font-size: 15px !important;
  }
  .apple-faq-answer {
    font-size: 13px !important;
  }

  /* Bottom Conversion Banner */
  .apple-bottom-banner {
    padding: 44px 16px !important;
  }
  .apple-bottom-banner h2 {
    font-size: clamp(22px, 6vw, 32px) !important;
  }
  .apple-bottom-banner p {
    font-size: 14px !important;
    margin-bottom: 24px !important;
  }
  .apple-bottom-banner > div > div {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
  }
  .apple-bottom-banner .apple-btn-pill {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* Global Footer */
  #global-footer > div > div {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    padding: 0 16px !important;
  }
}

/* ============================================================
   CBT PLATFORM — COMPREHENSIVE RESPONSIVE SUITE (DESKTOP, TABLET, MOBILE)
   ============================================================ */

/* 1. Student Dashboard Metrics Grid */
.dash-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .dash-stat-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    margin-bottom: 18px !important;
  }
  .dash-stat-grid .stat-card {
    padding: 14px 10px !important;
  }
  .dash-stat-grid .stat-value {
    font-size: 20px !important;
  }
  .dash-stat-grid .stat-label {
    font-size: 11px !important;
  }
}
@media (max-width: 360px) {
  .dash-stat-grid {
    grid-template-columns: 1fr !important;
  }
}

/* 2. Main Dashboard 2-Column Responsive Layout */
.dash-main-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  align-items: start;
  width: 100%;
  min-width: 0;
}
.dash-col {
  min-width: 0 !important;
  width: 100%;
}
.dash-col-main {
  min-width: 0 !important;
}
.dash-col-side {
  min-width: 0 !important;
}

@media (max-width: 1024px) {
  .dash-main-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
}

@media (max-width: 768px) {
  .dash-main-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    width: 100% !important;
  }
  .card.dash-card,
  .dash-col .card {
    padding: 18px 14px !important;
    border-radius: 14px !important;
    margin-bottom: 0 !important;
  }
  .card-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
  }
  .card-header .btn {
    width: 100% !important;
    text-align: center;
    justify-content: center;
  }
  .portal-main {
    padding: 14px 10px !important;
  }
}

/* 3. Hero Arena Eyebrow Pill */
.cbt-arena-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  max-width: 100%;
  flex-wrap: wrap;
}
[data-theme="light"] .cbt-arena-eyebrow {
  background: #ECFDF5;
  border-color: #A7F3D0;
  color: #059669;
}
@media (max-width: 600px) {
  .cbt-arena-eyebrow {
    font-size: 10px !important;
    padding: 3px 8px !important;
    border-radius: 6px !important;
    line-height: 1.4 !important;
  }
  .cbt-hero-pills-row {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .hero-action-pill {
    padding: 6px 12px !important;
    font-size: 12px !important;
    flex: 1 1 auto !important;
    justify-content: center !important;
  }
}

/* 4. Multi-Device Live Preview Simulator Studio */
.route-preview {
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  height: 100vh !important;
  width: 100vw !important;
  background: #0B0F19 !important;
}
.route-preview #app,
.route-preview #app-view {
  height: 100vh !important;
  min-height: 100vh !important;
  overflow: hidden !important;
}
.sim-btn.active {
  background: #F59E0B !important;
  color: #0F172A !important;
}
.route-pill.active {
  background: #1E3A8A !important;
  border-color: #3B82F6 !important;
  color: #93C5FD !important;
}

/* ── Universal Sidebar Items & Icons Standardization ───────────── */
.sidebar-item {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 10px 14px !important;
  min-height: 44px !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  line-height: 1.2 !important;
  border-radius: var(--radius-sm) !important;
  text-decoration: none !important;
  box-sizing: border-box !important;
  transition: all 0.15s ease !important;
  color: var(--text-muted);
}
.sidebar-item:hover {
  color: var(--text-main) !important;
  background: var(--surface-subtle) !important;
}
.sidebar-item.active {
  color: var(--text-on-primary) !important;
  background: var(--primary) !important;
  font-weight: 700 !important;
  box-shadow: 0 3px 12px var(--primary-glow) !important;
}
[data-theme="light"] .portal-sidebar .sidebar-item.active,
[data-theme="light"] .admin-sidebar .sidebar-item.active {
  color: #0F172A !important;
  background: var(--primary) !important;
  font-weight: 700 !important;
}
.sidebar-item .sidebar-icon,
.sidebar-item > svg {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 20px !important;
  height: 20px !important;
  min-width: 20px !important;
  min-height: 20px !important;
  max-width: 20px !important;
  max-height: 20px !important;
  flex-shrink: 0 !important;
  margin: 0 !important;
}
.sidebar-item svg,
.sidebar-item .sidebar-icon svg {
  width: 18px !important;
  height: 18px !important;
  min-width: 18px !important;
  min-height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  stroke-width: 2px !important;
  vertical-align: middle !important;
  flex-shrink: 0 !important;
  display: block !important;
}
.sidebar-item.active svg,
.sidebar-item.active .sidebar-icon svg {
  color: var(--text-on-primary) !important;
  opacity: 1 !important;
}
[data-theme="light"] .portal-sidebar .sidebar-item.active svg,
[data-theme="light"] .admin-sidebar .sidebar-item.active svg {
  color: #0F172A !important;
}
.sidebar-item .sidebar-label {
  flex: 1 1 auto !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  font-size: 13.5px !important;
  line-height: 1.2 !important;
  font-weight: inherit !important;
}

/* ── Subscription Status Roles & Plan Badges ─────────────────── */
.sidebar-user-info .role-paid {
  color: #10B981 !important;
  font-weight: 700 !important;
  font-size: 11.5px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
}
.sidebar-user-info .role-paid::before {
  content: "" !important;
  display: inline-block !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #10B981 !important;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6) !important;
}
.sidebar-user-info .role-free {
  color: var(--text-muted) !important;
  font-weight: 500 !important;
  font-size: 11.5px !important;
}

/* Topbar & Component Badges */
.badge.badge-plan-status.badge-paid {
  background: rgba(16, 185, 129, 0.15) !important;
  color: #10B981 !important;
  border: 1px solid rgba(16, 185, 129, 0.35) !important;
  font-weight: 800 !important;
  font-size: 11px !important;
  padding: 3px 10px !important;
  border-radius: 9999px !important;
  letter-spacing: 0.02em !important;
  display: inline-flex !important;
  align-items: center !important;
  white-space: nowrap !important;
}
.badge.badge-plan-status.badge-free {
  background: rgba(148, 163, 184, 0.12) !important;
  color: var(--text-muted) !important;
  border: 1px solid rgba(148, 163, 184, 0.25) !important;
  font-weight: 700 !important;
  font-size: 11px !important;
  padding: 3px 10px !important;
  border-radius: 9999px !important;
  letter-spacing: 0.02em !important;
  display: inline-flex !important;
  align-items: center !important;
  white-space: nowrap !important;
}

/* Light Mode Overrides for Badges & Roles */
[data-theme="light"] .sidebar-user-info .role-paid {
  color: #059669 !important;
}
[data-theme="light"] .sidebar-user-info .role-paid::before {
  background: #059669 !important;
  box-shadow: 0 0 4px rgba(5, 150, 105, 0.5) !important;
}
[data-theme="light"] .badge.badge-plan-status.badge-paid {
  background: #ECFDF5 !important;
  color: #059669 !important;
  border-color: #A7F3D0 !important;
}
[data-theme="light"] .badge.badge-plan-status.badge-free {
  background: #F1F5F9 !important;
  color: #64748B !important;
  border-color: #CBD5E1 !important;
}

/* Header Mode & Trial Icons */
.header-mode-icon svg,
.trial-clock-icon svg {
  width: 100% !important;
  height: 100% !important;
  stroke-width: 2.2px !important;
  vertical-align: middle !important;
  display: block !important;
}

/* Responsive Topbar Rules (< 480px, < 375px) */
@media (max-width: 480px) {
  .theme-toggle-label {
    display: none !important;
  }
  #portal-theme-toggle {
    padding: 6px !important;
    width: 34px !important;
    height: 34px !important;
    justify-content: center !important;
  }
  .portal-topbar {
    padding: 0 10px !important;
  }
  .portal-topbar .topbar-actions {
    gap: 6px !important;
  }
  .portal-topbar .topbar-title {
    font-size: 14px !important;
    max-width: 130px !important;
  }
  .badge-mode-quiz,
  .badge-mode-test {
    padding: 2px 7px !important;
    font-size: 10.5px !important;
  }
  .badge.badge-plan-status {
    padding: 2px 8px !important;
    font-size: 10.5px !important;
  }
}

@media (max-width: 375px) {
  .badge-mode-quiz,
  .badge-mode-test {
    display: none !important;
  }
  .portal-topbar .topbar-title {
    font-size: 13.5px !important;
    max-width: 110px !important;
  }
  .badge.badge-plan-status {
    font-size: 10px !important;
    padding: 2px 6px !important;
  }
}

/* ── GLOBAL RESPONSIVE & OVERFLOW FIXES (v10.9) ──────────────── */

/* Prevent ALL table cells from overflowing on any screen */
.table-wrap { overflow-x: auto !important; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 600px; }
.table-wrap td, .table-wrap th {
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 240px;
}
.table-wrap td .badge, .table-wrap td span { white-space: normal; }

/* Admin: all table cells safe */
.layout-admin table td, .layout-admin table th {
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 260px;
}
.layout-admin .table-wrap { overflow-x: auto !important; }
.layout-admin .table-wrap table { min-width: 700px; }

/* Admin form inputs: never overflow container */
.layout-admin .form-control,
.layout-admin input[type="text"],
.layout-admin input[type="email"],
.layout-admin input[type="number"],
.layout-admin textarea,
.layout-admin select {
  max-width: 100%;
  box-sizing: border-box;
}

/* Portal: card text wrap */
.portal-content .card,
.layout-portal .card {
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Analysis result page: top banner responsive */
.analysis-top-banner {
  flex-wrap: wrap !important;
  gap: 12px !important;
}
.analysis-top-banner > div:last-child {
  flex-wrap: wrap !important;
  gap: 8px !important;
}

/* Analysis: sectional table always scrollable */
.sectional-table-card .table-wrap,
.sectional-table-card > div {
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch;
}
.sectional-table {
  min-width: 480px;
}
.sectional-table th, .sectional-table td {
  white-space: nowrap;
}

/* Diagnostic tabs: scroll on mobile */
.diagnostic-tabs {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
  display: flex;
  flex-wrap: nowrap !important;
  gap: 8px;
  padding-bottom: 4px;
}

/* Metric cards: prevent text overflow */
.metric-big-val {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
.metric-sub-val {
  font-size: 0.6em !important;
}

/* Analysis page wrapper: no h-scroll on page level */
.analysis-page-wrapper {
  overflow-x: hidden;
}

/* Floating logout button for result/CBT pages */
.floating-logout-btn {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 9999;
  background: var(--surface, #1E293B);
  color: var(--text-primary, #F8FAFC);
  border: 1px solid var(--border, rgba(255,255,255,0.1));
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.15s ease;
}
.floating-logout-btn:hover {
  background: var(--danger, #EF4444);
  border-color: var(--danger, #EF4444);
  color: #fff;
}

/* Mobile: analysis grid compact layout */
@media (max-width: 640px) {
  .analysis-metrics-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .analysis-metrics-grid > .metric-card-circular:last-child {
    grid-column: span 2 !important;
  }
  .metric-card-circular {
    padding: 10px 8px !important;
    border-radius: 12px !important;
  }
  .metric-circle-icon {
    width: 36px !important;
    height: 36px !important;
    font-size: 16px !important;
    margin-bottom: 4px !important;
  }
  .metric-big-val {
    font-size: 15px !important;
    margin-bottom: 2px !important;
  }
  .metric-sub-val {
    font-size: 11px !important;
  }
  .metric-label {
    font-size: 11px !important;
  }
  .analysis-split-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 14px !important;
    box-sizing: border-box !important;
  }
  .cutoff-gap-card {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 12px 14px !important;
    gap: 10px !important;
    margin-bottom: 16px !important;
    border-radius: 14px !important;
    text-align: left !important;
  }
  .gap-circle-badge {
    width: 52px !important;
    height: 52px !important;
    font-size: 11px !important;
    flex-shrink: 0 !important;
    padding: 4px !important;
  }
  .gap-circle-score {
    font-size: 12px !important;
  }
  .gap-circle-text {
    font-size: 9px !important;
  }
  .gap-info-headline {
    font-size: 13.5px !important;
    line-height: 1.3 !important;
  }
  .gap-info-desc {
    font-size: 11.5px !important;
    line-height: 1.35 !important;
  }
  .gap-category-picker select {
    font-size: 12px !important;
    height: 32px !important;
    padding: 2px 8px !important;
  }
  .analysis-top-banner {
    padding: 12px 14px !important;
  }
  .floating-logout-btn {
    top: 10px;
    right: 10px;
    padding: 6px 10px;
    font-size: 12px;
  }
  /* Diagnostics & Strengths/Weaknesses on mobile */
  .diagnostic-card {
    padding: 14px 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .diagnostic-tabs {
    display: flex !important;
    gap: 6px !important;
    width: 100% !important;
    overflow-x: auto !important;
  }
  .diagnostic-tab-btn {
    flex: 1 !important;
    justify-content: center !important;
    padding: 8px 6px !important;
    font-size: 12.5px !important;
    text-align: center !important;
    white-space: nowrap !important;
  }
  .chapter-analysis-card {
    padding: 12px 10px !important;
    margin-bottom: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .chapter-header-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .chapter-title {
    font-size: 13.5px !important;
    font-weight: 800 !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    min-width: 0 !important;
    line-height: 1.4 !important;
    width: 100% !important;
  }
  .chapter-chips-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .chapter-footer-stats {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px 12px !important;
    font-size: 11.5px !important;
    border-top: 1px dashed var(--border) !important;
    padding-top: 8px !important;
  }
  .test-card-completed .card-footer-wrap {
    padding: 8px 12px !important;
    font-size: 11.5px !important;
  }
  .test-card-completed .footer-actions {
    gap: 8px !important;
  }
  .share-modal-grid {
    grid-template-columns: 1fr !important;
  }
  /* Admin table on mobile */
  .layout-admin .table-wrap table { min-width: 560px; }
  .layout-admin .table-wrap td .btn {
    padding: 4px 6px !important;
    font-size: 10px !important;
  }
}

/* Take-test loading page */
.take-test-loader {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  text-align: center;
  padding: 24px;
}
.take-test-loader .loader-icon {
  font-size: 52px;
}
.take-test-loader h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--slate-900);
  margin: 0;
}
.take-test-loader p {
  font-size: 14px;
  color: var(--slate-500);
  margin: 0;
  max-width: 400px;
}

/* ── Mobile Responsive Enhancements for Question Solution & Re-attempt Engine ── */
@media (max-width: 768px) {
  .solution-content-pane {
    padding: 14px 12px calc(140px + env(safe-area-inset-bottom, 0px)) !important;
  }
  .cbt-options-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
  }
  .cbt-option-card {
    padding: 10px 12px !important;
    font-size: 13.5px !important;
    min-height: 46px !important;
  }
  .cbt-option-card .option-text {
    font-size: 13.5px !important;
    line-height: 1.5 !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }
  .solution-box {
    margin-top: 16px !important;
    padding: 14px 12px !important;
    border-radius: 10px !important;
  }
  .key-points-card {
    padding: 12px 14px !important;
    margin-top: 10px !important;
  }
  .key-points-card ul {
    padding-left: 16px !important;
    font-size: 13px !important;
  }
  .btn-reattempt-submit, .btn-view-solution {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 10px 14px !important;
    font-size: 13px !important;
  }
  .speed-indicators-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }
  .solution-reattempt-card {
    padding: 10px 12px !important;
  }
  .qp-question-item {
    padding: 12px !important;
    border-radius: 10px !important;
  }
  .qp-top-banner {
    padding: 10px 12px !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }
}

/* ── Fix Giant Eye Icon Size in View Solution button & cards ── */
.btn-view-solution svg,
.btn-reattempt-submit svg,
.solution-content-pane svg,
.solution-reattempt-card svg,
.btn-view-solution .icon,
.btn-view-solution img {
  width: 18px !important;
  height: 18px !important;
  min-width: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  display: inline-block !important;
  vertical-align: middle !important;
  margin-right: 6px !important;
}

.btn-view-solution {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 8px 16px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  border-radius: 6px !important;
  background: #00BCD4 !important;
  color: #FFFFFF !important;
  border: none !important;
  cursor: pointer !important;
  box-shadow: 0 2px 6px rgba(0, 188, 212, 0.3) !important;
}

/* ── UNIVERSAL DARK MODE THEME ADAPTIVE OVERRIDES ────────────── */
[data-theme="dark"] body,
[data-theme="dark"] .portal-main,
[data-theme="dark"] .admin-main,
[data-theme="dark"] .layout-portal,
[data-theme="dark"] .layout-admin,
[data-theme="dark"] .layout-solution,
[data-theme="dark"] .solution-body,
[data-theme="dark"] .solution-content-pane,
[data-theme="dark"] .solution-sidebar-pane,
[data-theme="dark"] .cbt-sidebar-pane,
[data-theme="dark"] .table-wrap,
[data-theme="dark"] .card,
[data-theme="dark"] .dash-card,
[data-theme="dark"] .subfolder-card,
[data-theme="dark"] .subfolders-hub-card,
[data-theme="dark"] .modal,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .form-control,
[data-theme="dark"] .cbt-theme-input,
[data-theme="dark"] .cbt-theme-select {
  background-color: var(--surface) !important;
  color: var(--text-body) !important;
  border-color: var(--border) !important;
}

[data-theme="dark"] .solution-header,
[data-theme="dark"] .solution-footer,
[data-theme="dark"] .solution-box,
[data-theme="dark"] .key-points-card,
[data-theme="dark"] .qp-question-item,
[data-theme="dark"] .qp-sub-bar,
[data-theme="dark"] .summary-table td,
[data-theme="dark"] .metric-card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .tree-pane {
  background: var(--surface) !important;
  color: var(--text-body) !important;
  border-color: var(--border) !important;
}

[data-theme="dark"] thead tr,
[data-theme="dark"] .summary-table th,
[data-theme="dark"] .subfolder-card-meta {
  background: var(--surface-subtle) !important;
  color: var(--text-main) !important;
}

/* Force dark backgrounds on hardcoded white elements in dark mode */
[data-theme="dark"] [style*="background:#FFFFFF"],
[data-theme="dark"] [style*="background: #FFFFFF"],
[data-theme="dark"] [style*="background:#FFF"],
[data-theme="dark"] [style*="background: #FFF"],
[data-theme="dark"] [style*="background:#ffffff"],
[data-theme="dark"] [style*="background: #ffffff"],
[data-theme="dark"] [style*="background:white"],
[data-theme="dark"] [style*="background: white"] {
  background-color: var(--surface) !important;
  color: var(--text-body) !important;
}

[data-theme="dark"] [style*="background:#F8FAFC"],
[data-theme="dark"] [style*="background: #F8FAFC"],
[data-theme="dark"] [style*="background:#F1F5F9"],
[data-theme="dark"] [style*="background: #F1F5F9"] {
  background-color: var(--surface-subtle) !important;
  color: var(--text-body) !important;
}

[data-theme="dark"] [style*="color:#0F172A"],
[data-theme="dark"] [style*="color: #0F172A"],
[data-theme="dark"] [style*="color:#1E293B"],
[data-theme="dark"] [style*="color: #1E293B"],
[data-theme="dark"] [style*="color:#334155"],
[data-theme="dark"] [style*="color: #334155"] {
  color: var(--text-main) !important;
}

[data-theme="dark"] [style*="color:#475569"],
[data-theme="dark"] [style*="color: #475569"],
[data-theme="dark"] [style*="color:#64748B"],
[data-theme="dark"] [style*="color: #64748B"] {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .cbt-option-card {
  background: var(--surface-subtle) !important;
  border-color: var(--border) !important;
  color: var(--text-body) !important;
}

[data-theme="dark"] .cbt-option-card.selected {
  background: rgba(245, 158, 11, 0.15) !important;
  border-color: var(--primary) !important;
}

[data-theme="dark"] .cbt-option-card.correct-answer {
  background: rgba(16, 185, 129, 0.16) !important;
  border-color: #10B981 !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .cbt-option-card.correct-answer .option-text {
  color: #34D399 !important;
  font-weight: 600;
}
[data-theme="dark"] .cbt-option-card.correct-answer .option-key-circle {
  background: #10B981 !important;
  color: #FFFFFF !important;
  border-color: #10B981 !important;
}

[data-theme="dark"] .cbt-option-card.user-wrong {
  background: rgba(239, 68, 68, 0.16) !important;
  border-color: #EF4444 !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .cbt-option-card.user-wrong .option-text {
  color: #F87171 !important;
  font-weight: 600;
}
[data-theme="dark"] .cbt-option-card.user-wrong .option-key-circle {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border-color: #EF4444 !important;
}

/* ── UNIVERSAL MOBILE ALIGNMENT FOR ALL SIDEBAR PAGES ─────────── */
@media (max-width: 768px) {
  html, body, #app, #app-view,
  .layout-admin, .admin-layout, .admin-body, .admin-main,
  .layout-portal, .portal-layout, .portal-main, .portal-content-wrap, .admin-content-wrap {
    width: 100% !important;
    max-width: 100vw !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  .portal-content-wrap,
  .admin-content-wrap {
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .portal-main,
  .admin-main {
    padding: 10px 8px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  /* Theme toggle: ICON-ONLY compact button on mobile (< 768px) */
  .theme-toggle-label {
    display: none !important;
  }
  .theme-toggle-btn {
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    min-height: 42px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    font-size: 16px !important;
    cursor: pointer !important;
  }
  .theme-toggle-btn .theme-toggle-icon,
  .theme-toggle-btn svg {
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Mobile Modals (Requirement 12) */
  .modal-backdrop {
    padding: 10px !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .modal-box,
  .modal-dialog,
  .modal-content {
    width: 100% !important;
    max-width: min(540px, calc(100vw - 20px)) !important;
    margin: auto !important;
    box-sizing: border-box !important;
    max-height: calc(100dvh - 30px) !important;
    border-radius: var(--radius-md) !important;
  }
  .modal-header {
    padding: 12px 14px !important;
  }
  .modal-body {
    padding: 14px !important;
    max-height: calc(100dvh - 140px) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .modal-footer {
    padding: 12px 14px !important;
    display: flex !important;
    flex-direction: column-reverse !important;
    gap: 8px !important;
  }
  .modal-footer .btn {
    width: 100% !important;
    min-height: 44px !important;
    justify-content: center !important;
    font-size: 14px !important;
  }
  .global-parent-select,
  .modal-box select,
  .modal-box input {
    min-height: 44px !important;
    font-size: 14px !important;
  }
  .folder-quick-btn,
  .folder-btn-edit,
  .folder-btn-move,
  .subfolder-btn-edit {
    min-width: 40px !important;
    min-height: 40px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* All container cards & stat boxes aligned with screen edges */
  .card,
  .dash-card,
  .table-wrap,
  .subfolders-hub-card,
  .folder-hero,
  .folder-hero-card,
  .folder-content-pane,
  .folder-tree-card,
  .folder-tests-card,
  .stats-bar,
  .ribbon-bar,
  .filter-bar,
  .admin-filters {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    border-radius: var(--radius-md) !important;
  }

  /* Universal Word Wrap & Text Containment to prevent horizontal overflow */
  .admin-main,
  .layout-admin,
  .layout-admin .card,
  .card,
  .table-wrap,
  .folder-hero-card,
  .subfolders-hub-card,
  .category-stats-grid,
  .category-stat-box,
  .folder-explorer-layout {
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
  }

  .admin-main p, .admin-main h1, .admin-main h2, .admin-main h3, 
  .admin-main h4, .admin-main span, .admin-main label, 
  .admin-main div, .admin-main code, .admin-main small {
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
  }

  /* Inline grid styles inside admin & portal cards collapse to single-column (R8 & R9) */
  .layout-admin div[style*="grid-template-columns"],
  .admin-main div[style*="grid-template-columns"],
  .layout-portal div[style*="grid-template-columns"],
  .portal-main div[style*="grid-template-columns"],
  .portal-content-wrap div[style*="grid-template-columns"],
  .card div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .folder-explorer-layout,
  .category-explorer-layout,
  .cms-studio-layout {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }
  .folder-tree-card {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 280px !important;
    position: relative !important;
    top: auto !important;
  }
  .folder-content-pane {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .category-stats-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .folder-hero-meta {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .folder-hero-meta span {
    max-width: 100% !important;
    white-space: normal !important;
    word-break: break-all !important;
  }

  /* Tables inside cards MUST be horizontally scrollable without breaking parent box width */
  .table-responsive,
  .table-wrap,
  .layout-admin .table-wrap {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .table-wrap table,
  .table-responsive table,
  .layout-admin table,
  .table {
    min-width: 580px !important;
    max-width: none !important;
    width: 100% !important;
  }

  /* Live Mock & Live Content Desks - Strictly Zero Horizontal Scrolling */
  .live-table-responsive,
  .layout-admin .live-table-responsive {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .live-table-responsive table,
  .layout-admin .live-table-responsive table {
    min-width: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  /* Grid layouts automatically convert to clean single-column or 2-col cards */
  .grid-4,
  .stats-grid,
  .metrics-grid,
  .subfolder-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .grid-3,
  .grid-2,
  .test-grid,
  .series-grid,
  .exam-cards-grid,
  .category-explorer-layout {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
  }

  .tree-pane {
    width: 100% !important;
    max-height: 260px !important;
    margin-bottom: 12px !important;
  }

  /* Form controls and search boxes fit perfectly inside cards */
  .form-control,
  .form-group,
  .input-wrap,
  .search-input-wrap,
  .cbt-theme-input,
  .cbt-theme-select,
  .builder-raw-textarea,
  textarea {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
  }

  /* ── 1. ADMIN TEST BUILDER MOBILE STYLES ─────────────────────── */
  .builder-mode-switcher-row {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }
  .builder-mode-switcher-row .btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    white-space: normal !important;
    word-break: break-word !important;
    padding: 10px 14px !important;
    font-size: 13px !important;
  }
  .builder-bottom-actions-card > div {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
  }
  .builder-detect-wrap {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .builder-detect-wrap .btn,
  .builder-submit-btn,
  #_make_live_btn,
  #_submit_full_mock_btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    white-space: normal !important;
    word-break: break-word !important;
  }
  #_bottom_counter_text {
    display: block !important;
    width: 100% !important;
    text-align: center !important;
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
    min-width: 0 !important;
  }
  .builder-tabs {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .builder-tab {
    width: 100% !important;
    text-align: left !important;
    padding: 10px 14px !important;
    font-size: 12.5px !important;
    border-radius: 8px !important;
  }
  .lang-pills {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .lang-pill {
    flex: 1 1 auto !important;
    text-align: center !important;
    font-size: 11.5px !important;
    padding: 6px 10px !important;
  }
  .sample-pill-btn {
    font-size: 11px !important;
    padding: 4px 8px !important;
  }
  .full-mock-section-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
  }
  .full-mock-section-grid .form-group {
    width: 100% !important;
  }
  .full-mock-metrics-row {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
    margin-top: 10px !important;
  }
  .full-mock-metrics-row > div {
    border-left: none !important;
    padding-left: 0 !important;
    text-align: left !important;
    background: rgba(255, 255, 255, 0.6) !important;
    padding: 8px 10px !important;
    border-radius: 6px !important;
  }
  .live-start-end-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
  }
  .question-manual-card {
    padding: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* ── 2. ADMIN MOCK TESTS / EXAMS HUB & CATEGORIES ────────────── */
  .admin-exams-hero {
    padding: 16px !important;
  }
  .admin-exams-hero > div {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  .admin-exams-tabs-bar {
    display: flex !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    padding: 6px 4px !important;
    gap: 6px !important;
    box-sizing: border-box !important;
  }
  .admin-exams-tabs-bar button {
    flex-shrink: 0 !important;
    padding: 6px 14px !important;
    font-size: 12px !important;
  }
  .folder-hero-title-row {
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
    align-items: flex-start !important;
  }
  .folder-hero-title-row > div:last-child {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .folder-hero-title-row > div:last-child .btn {
    flex: 1 1 auto !important;
    text-align: center !important;
    justify-content: center !important;
  }
  .subfolders-hub-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }

  /* ── 3. ADMIN USERS MOBILE STYLES & TOUCH CARDS ─────────────── */
  .admin-users-filter-bar {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    width: 100% !important;
    margin-bottom: 14px !important;
  }
  .admin-users-filter-bar .search-input-wrap {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
  }
  .admin-users-filter-selects {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .admin-users-filter-selects select {
    width: 100% !important;
    max-width: 100% !important;
  }

  .layout-admin .admin-users-desktop-table,
  .admin-users-desktop-table,
  .layout-admin .admin-exams-desktop-table,
  .admin-exams-desktop-table,
  .layout-admin .admin-live-tests-desktop-table,
  .admin-live-tests-desktop-table,
  .layout-admin .admin-ca-desktop-table,
  .admin-ca-desktop-table,
  .layout-admin .admin-ed-desktop-table,
  .admin-ed-desktop-table {
    display: none !important;
  }
  .layout-admin .admin-users-mobile-cards,
  .admin-users-mobile-cards,
  .layout-admin .admin-exams-mobile-cards,
  .admin-exams-mobile-cards,
  .layout-admin .admin-live-tests-mobile-cards,
  .admin-live-tests-mobile-cards,
  .layout-admin .admin-ca-mobile-cards,
  .admin-ca-mobile-cards,
  .layout-admin .admin-ed-mobile-cards,
  .admin-ed-mobile-cards {
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
    width: 100% !important;
  }
  .admin-user-card {
    background: var(--bg-surface, var(--surface, #ffffff));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
  }
  [data-theme="dark"] .admin-user-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  }
  .admin-user-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
  }
  .admin-user-identity {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
  }
  .admin-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary, #4f46e5);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    flex-shrink: 0;
  }
  .admin-user-title-box {
    min-width: 0;
    flex: 1;
  }
  .admin-user-name {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text, var(--text-main, #0f172a));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
  }
  [data-theme="dark"] .admin-user-name {
    color: #f1f5f9;
  }
  .admin-user-meta-sub {
    font-size: 11.5px;
    color: var(--text-secondary, #64748b);
    margin-top: 3px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
  }
  .admin-user-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
  }
  .admin-user-details-list {
    background: var(--bg-canvas, rgba(0, 0, 0, 0.025));
    border: 1px solid var(--border, rgba(0, 0, 0, 0.06));
    border-radius: 8px;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12.5px;
  }
  [data-theme="dark"] .admin-user-details-list {
    background: rgba(15, 23, 42, 0.6);
    border-color: #334155;
  }
  .admin-user-detail-item {
    display: flex;
    align-items: baseline;
    gap: 6px;
    word-break: break-word;
  }
  .admin-user-detail-item .detail-lbl {
    color: var(--text-muted, #94a3b8);
    font-size: 11px;
    font-weight: 600;
    min-width: 48px;
    flex-shrink: 0;
  }
  .admin-user-detail-item .detail-val {
    color: var(--text, var(--text-main, #0f172a));
    font-size: 12.5px;
    min-width: 0;
    flex: 1;
  }
  [data-theme="dark"] .admin-user-detail-item .detail-val {
    color: #e2e8f0;
  }
  .admin-user-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-top: 8px;
    border-top: 1px dashed var(--border);
  }
  .admin-user-card-actions .btn {
    font-size: 11.5px !important;
    padding: 6px 10px !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    min-height: 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-decoration: none !important;
    flex: 1 1 auto !important;
  }
  .admin-topbar-action-btn {
    white-space: nowrap !important;
    font-size: 11.5px !important;
    padding: 5px 10px !important;
    flex-shrink: 0 !important;
  }
  .admin-user-action-group {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 4px !important;
    min-width: 180px !important;
  }

  /* ── 3.1. ADMIN EXAMS & TESTS MOBILE CARDS ─────────────────────── */
  .admin-exam-card {
    background: var(--surface, #ffffff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 14px;
    padding: 14px 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
  }
  [data-theme="dark"] .admin-exam-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  }
  .admin-exam-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
  }
  .admin-exam-card-title {
    font-size: 14.5px;
    font-weight: 800;
    color: var(--text-main, #0f172a);
    line-height: 1.35;
    word-break: break-word;
  }
  [data-theme="dark"] .admin-exam-card-title {
    color: #f8fafc;
  }
  .admin-exam-card-sub {
    font-size: 11.5px;
    color: var(--text-muted, #64748b);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
  }
  .admin-exam-card-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
  }
  .admin-exam-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: var(--surface-subtle, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--border, rgba(0, 0, 0, 0.06));
    border-radius: 10px;
    padding: 10px 12px;
  }
  [data-theme="dark"] .admin-exam-meta-grid {
    background: rgba(15, 23, 42, 0.6);
    border-color: #334155;
  }
  .admin-exam-meta-grid .meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .admin-exam-meta-grid .meta-item.full-width {
    grid-column: 1 / -1;
  }
  .admin-exam-meta-grid .meta-lbl {
    font-size: 10.5px;
    color: var(--text-muted, #94a3b8);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }
  .admin-exam-meta-grid .meta-val {
    font-size: 12.5px;
    color: var(--text-main, #0f172a);
  }
  [data-theme="dark"] .admin-exam-meta-grid .meta-val {
    color: #e2e8f0;
  }
  .admin-exam-meta-grid .meta-val.location-badge {
    font-weight: 600;
    color: var(--text-secondary, #475569);
    word-break: break-word;
  }
  .admin-exam-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding-top: 8px;
    border-top: 1px dashed var(--border, #e2e8f0);
  }
  .admin-exam-card-actions .btn {
    flex: 1 1 calc(50% - 6px);
    min-height: 38px;
    font-size: 12px !important;
    padding: 6px 8px !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700 !important;
    border-radius: 8px !important;
  }
  .admin-exam-more-menu {
    background: var(--surface-subtle, #f8fafc);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 10px;
    padding: 8px;
    margin-top: 4px;
  }
  [data-theme="dark"] .admin-exam-more-menu {
    background: #0f172a;
    border-color: #334155;
  }
  .admin-exam-more-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  /* ── 3.2. ADMIN LIVE MOCK TESTS MOBILE CARDS ────────────────────── */
  .admin-live-test-card {
    background: var(--surface, #ffffff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 14px;
    padding: 14px 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
  }
  [data-theme="dark"] .admin-live-test-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  }
  .admin-live-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
  }
  .admin-live-card-title {
    font-size: 14.5px;
    font-weight: 800;
    color: var(--text-main, #0f172a);
    line-height: 1.35;
    word-break: break-word;
  }
  [data-theme="dark"] .admin-live-card-title {
    color: #f8fafc;
  }
  .admin-live-card-sub {
    font-size: 11.5px;
    color: var(--text-muted, #64748b);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
  }
  .admin-live-card-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
  }
  .admin-live-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: var(--surface-subtle, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--border, rgba(0, 0, 0, 0.06));
    border-radius: 10px;
    padding: 10px 12px;
  }
  [data-theme="dark"] .admin-live-meta-grid {
    background: rgba(15, 23, 42, 0.6);
    border-color: #334155;
  }
  .admin-live-meta-grid .meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .admin-live-meta-grid .meta-lbl {
    font-size: 10.5px;
    color: var(--text-muted, #94a3b8);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }
  .admin-live-meta-grid .meta-val {
    font-size: 12px;
    color: var(--text-main, #0f172a);
    word-break: break-word;
  }
  [data-theme="dark"] .admin-live-meta-grid .meta-val {
    color: #e2e8f0;
  }
  .admin-live-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding-top: 8px;
    border-top: 1px dashed var(--border, #e2e8f0);
  }
  .admin-live-card-actions .btn {
    flex: 1 1 calc(50% - 6px);
    min-height: 38px;
    font-size: 12px !important;
    padding: 6px 8px !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700 !important;
    border-radius: 8px !important;
  }

  /* ── 3.3. ADMIN ANALYTICS DATE BAR MOBILE ADAPTATION ────────────── */
  .admin-analytics-date-bar {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .admin-date-pills {
    justify-content: flex-start !important;
    width: 100% !important;
  }
  .admin-custom-date-box {
    width: 100% !important;
    justify-content: space-between !important;
  }

  /* ── 4. CMS SETTINGS & VISUAL STUDIO MOBILE STYLES ───────────── */
  .cms-primary-tabs-bar > div {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .cms-primary-tabs-bar > div > div {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .cms-primary-tabs-bar .btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }
  .cms-studio-layout {
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
    width: 100% !important;
  }
  .cms-studio-subnav {
    position: static !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .cms-studio-subnav > div:last-child {
    display: flex !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch !important;
    flex-direction: row !important;
    gap: 6px !important;
    padding-bottom: 4px !important;
  }
  .cms-tab-nav-btn {
    flex-shrink: 0 !important;
    padding: 8px 12px !important;
    font-size: 12px !important;
    white-space: nowrap !important;
  }
  .cms-studio-content-pane {
    padding: 16px 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .cms-preview-box,
  .brand-preview-wrap,
  .hero-preview-wrap {
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    box-sizing: border-box !important;
  }
}

/* ── 5. ADMIN SUBSCRIPTIONS & PLANS HUB RESPONSIVE STYLES ───── */
.admin-sub-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.admin-plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 22px;
}
.admin-subs-desktop-table {
  display: block;
}
.admin-subs-mobile-list {
  display: none;
}

@media (max-width: 991px) {
  .admin-sub-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

@media (max-width: 768px) {
  .admin-subs-desktop-table {
    display: none !important;
  }
  .admin-subs-mobile-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
  }
  .admin-sub-tabs-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .admin-sub-tabs-group {
    width: 100% !important;
    display: flex !important;
    gap: 6px !important;
  }
  .admin-sub-tabs-group .btn {
    flex: 1 1 0 !important;
    text-align: center !important;
    justify-content: center !important;
    font-size: 12px !important;
    padding: 8px 6px !important;
    white-space: normal !important;
    line-height: 1.25 !important;
  }
  .admin-sub-header-action {
    width: 100% !important;
  }
  .admin-sub-header-action .btn {
    width: 100% !important;
    justify-content: center !important;
    padding: 9px 12px !important;
  }
  .admin-plan-card {
    padding: 18px !important;
  }
  .admin-plan-actions {
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .admin-plan-edit-btn {
    flex: 1 1 100% !important;
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    padding: 9px 12px !important;
    font-size: 12px !important;
  }
  .admin-plan-toggle-btn {
    flex: 1 1 auto !important;
    justify-content: center !important;
    padding: 8px 12px !important;
  }
  .admin-plan-del-btn {
    flex: 0 0 auto !important;
    padding: 8px 14px !important;
  }
}

@media (max-width: 480px) {
  .admin-sub-metrics-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .admin-sub-metrics-grid .card {
    padding: 10px 12px !important;
    gap: 8px !important;
  }
  .admin-sub-metrics-grid .stat-icon {
    width: 34px !important;
    height: 34px !important;
    font-size: 16px !important;
    border-radius: 8px !important;
  }
  .admin-sub-metrics-grid .text-2xl {
    font-size: 17px !important;
  }
  .admin-sub-metrics-grid .text-xs {
    font-size: 10.5px !important;
    line-height: 1.2 !important;
  }
  .admin-sub-mobile-actions .btn {
    flex: 1 1 calc(50% - 4px) !important;
    justify-content: center !important;
  }
}

/* ── 30. Test Catalog List & Grid View Modes ─────────────────── */
.cbt-view-toggle-group {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 3px;
  gap: 2px;
}
.cbt-view-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.cbt-view-toggle-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="light"] .cbt-view-toggle-group {
  background: #F1F5F9;
  border-color: #CBD5E1;
}
[data-theme="light"] .cbt-view-toggle-btn:hover {
  background: #E2E8F0;
  color: #0F172A;
}
.cbt-view-toggle-btn.active {
  background: var(--primary, #F59E0B) !important;
  color: #0F172A !important;
  font-weight: 800 !important;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}
.cbt-view-toggle-btn svg {
  width: 14px;
  height: 14px;
}

/* ── CBT Catalog Top Tabs (Folder View vs All Tests & Series) ── */
.cbt-catalog-tab-group {
  display: inline-flex;
  align-items: center;
  background: var(--surface-subtle, rgba(255, 255, 255, 0.05));
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 4px;
  gap: 4px;
}
[data-theme="light"] .cbt-catalog-tab-group {
  background: #F1F5F9;
  border-color: #CBD5E1;
}
.cbt-catalog-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 22px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 9999px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none !important;
  white-space: nowrap;
}
.cbt-catalog-tab-btn:hover {
  color: var(--text-main);
  background: rgba(245, 158, 11, 0.08);
}
[data-theme="light"] .cbt-catalog-tab-btn:hover {
  background: #E2E8F0;
  color: #0F172A;
}
.cbt-catalog-tab-btn.active {
  background: var(--primary, #F59E0B) !important;
  color: #0F172A !important;
  font-weight: 800 !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

/* List Row Card */
.cbt-test-list-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.cbt-test-list-row {
  background: var(--apple-bg-card, #121214);
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.08));
  border-radius: 14px;
  box-shadow: var(--apple-card-shadow);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
.cbt-test-list-row:hover {
  border-color: var(--primary, #F59E0B);
  transform: translateY(-2px);
  background: var(--surface-raised, #18181B);
}
.cbt-test-list-info {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cbt-test-list-info-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.cbt-test-list-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--apple-text-title, #FFFFFF);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.cbt-test-list-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  color: var(--apple-text-muted, #94A3B8);
  flex-wrap: wrap;
}
.cbt-test-list-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.06));
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 11.5px;
  text-align: center;
}
.cbt-test-list-stat-item {
  display: flex;
  flex-direction: column;
}
.cbt-test-list-stat-item span {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--apple-text-muted, #94A3B8);
}
.cbt-test-list-stat-item strong {
  font-size: 13px;
  color: var(--apple-text-title, #FFFFFF);
}
.cbt-test-list-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Light Mode Overrides for Test & Folder Lists */
[data-theme="light"] .cbt-test-list-row {
  background: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04) !important;
}
[data-theme="light"] .cbt-test-list-row:hover {
  background: #F8FAFC !important;
  border-color: #F59E0B !important;
}
[data-theme="light"] .cbt-test-list-stats {
  background: #F8FAFC !important;
  border-color: #E2E8F0 !important;
}
[data-theme="light"] .cbt-test-list-title,
[data-theme="light"] .cbt-test-list-stat-item strong {
  color: #0F172A !important;
}
[data-theme="light"] .cbt-test-list-stat-item span {
  color: #64748B !important;
}
[data-theme="light"] .cbt-test-list-meta {
  color: #64748B !important;
}
[data-theme="light"] .cbt-folder-list-container > div {
  background: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03) !important;
}
[data-theme="light"] .cbt-folder-list-container > div:hover {
  border-color: #F59E0B !important;
  background: #F8FAFC !important;
}
[data-theme="light"] .cbt-folder-list-container > div div[style*="var(--apple-text-title"] {
  color: #0F172A !important;
}
[data-theme="light"] .cbt-folder-list-container > div div[style*="var(--apple-text-muted"] {
  color: #64748B !important;
}

@media (max-width: 768px) {
  .cbt-test-list-container,
  .cbt-folder-list-container {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    gap: 8px !important;
    box-sizing: border-box !important;
  }
  .cbt-test-list-row {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 10px 12px !important;
    border-radius: 10px !important;
    gap: 10px !important;
    border-left: 3.5px solid var(--primary, #F59E0B) !important;
  }
  .cbt-test-list-info {
    min-width: 0 !important;
    flex: 1 1 auto !important;
    gap: 3px !important;
  }
  .cbt-test-list-info-top {
    gap: 4px !important;
  }
  .cbt-test-list-info-top span {
    font-size: 8.5px !important;
    padding: 1px 6px !important;
  }
  .cbt-test-list-title {
    font-size: 12.5px !important;
    font-weight: 700 !important;
    line-height: 1.25 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .cbt-test-list-meta {
    font-size: 10px !important;
    gap: 6px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .cbt-test-list-stats {
    display: none !important;
  }
  .cbt-test-list-actions {
    width: auto !important;
    flex-shrink: 0 !important;
    justify-content: flex-end !important;
  }
  .cbt-test-list-actions .apple-btn-pill {
    width: auto !important;
    padding: 5px 12px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    border-radius: 9999px !important;
    white-space: nowrap !important;
  }
  .cbt-folder-list-container > div {
    padding: 9px 12px !important;
    border-radius: 10px !important;
    gap: 8px !important;
    border-left: 3.5px solid #3B82F6 !important;
  }
}

/* ── 31. Printable / PDF Question Paper Styles ─────────────────── */
@media print {
  body * {
    visibility: hidden;
  }
  #cbt-printable-paper, #cbt-printable-paper * {
    visibility: visible;
  }
  #cbt-printable-paper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: #FFFFFF !important;
    color: #0F172A !important;
    padding: 20px;
  }
  .no-print {
    display: none !important;
  }
}

/* ── 32. Fullscreen & Pause Examination Styles ─────────────────── */
.cbt-header-btn {
  height: 32px !important;
  padding: 0 10px !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
}

.cbt-fullscreen-toggle-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

/* Light Mode Header Buttons */
:root:not([data-theme="dark"]) .cbt-header .btn-secondary,
[data-theme="light"] .cbt-header .btn-secondary {
  background: #FFFFFF !important;
  color: #1E293B !important;
  border: 1px solid #CBD5E1 !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05) !important;
}
:root:not([data-theme="dark"]) .cbt-header .btn-secondary:hover,
[data-theme="light"] .cbt-header .btn-secondary:hover {
  background: #F8FAFC !important;
  color: #0F172A !important;
  border-color: #94A3B8 !important;
}

/* Dark Mode CBT Header & Buttons */
[data-theme="dark"] .cbt-header,
:root:not([data-theme="light"]) .cbt-header {
  background: #0F172A !important;
  border-bottom: 2px solid #F59E0B !important;
}
[data-theme="dark"] .cbt-exam-title,
:root:not([data-theme="light"]) .cbt-exam-title {
  color: #F8FAFC !important;
}
[data-theme="dark"] .cbt-exam-sub,
:root:not([data-theme="light"]) .cbt-exam-sub {
  color: #94A3B8 !important;
}

[data-theme="dark"] .cbt-header .btn-secondary,
:root:not([data-theme="light"]) .cbt-header .btn-secondary,
[data-theme="dark"] .cbt-fullscreen-toggle-btn,
:root:not([data-theme="light"]) .cbt-fullscreen-toggle-btn {
  background: rgba(255, 255, 255, 0.12) !important;
  color: #F8FAFC !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3) !important;
}
[data-theme="dark"] .cbt-header .btn-secondary:hover,
:root:not([data-theme="light"]) .cbt-header .btn-secondary:hover,
[data-theme="dark"] .cbt-fullscreen-toggle-btn:hover,
:root:not([data-theme="light"]) .cbt-fullscreen-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.22) !important;
  color: #FFFFFF !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
}

/* Dark Mode CBT Section Bar & Tabs */
[data-theme="dark"] .cbt-section-bar,
:root:not([data-theme="light"]) .cbt-section-bar {
  background: #1E293B !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}
[data-theme="dark"] .section-tab-btn,
:root:not([data-theme="light"]) .section-tab-btn {
  background: rgba(255, 255, 255, 0.06) !important;
  color: #CBD5E1 !important;
  border-color: rgba(255, 255, 255, 0.15) !important;
}
[data-theme="dark"] .section-tab-btn:hover,
:root:not([data-theme="light"]) .section-tab-btn:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  color: #FFFFFF !important;
  border-color: #F59E0B !important;
}
[data-theme="dark"] .section-tab-btn.active,
:root:not([data-theme="light"]) .section-tab-btn.active {
  background: #F59E0B !important;
  color: #0F172A !important;
  border-color: #D97706 !important;
  font-weight: 800 !important;
}

/* Dark Mode CBT Footer Action Bar */
[data-theme="dark"] .cbt-footer,
:root:not([data-theme="light"]) .cbt-footer {
  background: #0F172A !important;
  border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}
[data-theme="dark"] .cbt-footer .btn-secondary,
:root:not([data-theme="light"]) .cbt-footer .btn-secondary {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #F8FAFC !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
}
[data-theme="dark"] .cbt-footer .btn-secondary:hover,
:root:not([data-theme="light"]) .cbt-footer .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  color: #FFFFFF !important;
  border-color: rgba(255, 255, 255, 0.35) !important;
}

@media (max-width: 900px) {
  .cbt-fullscreen-toggle-btn,
  .sol-fullscreen-toggle-btn,
  .hide-on-mobile-flex {
    display: none !important;
  }
}

/* ============================================================
   ADAPTIVE QUIZ MODE STYLING (Successwala CBT Dark & Light Theme)
   ============================================================ */
.quiz-mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #0D9488 0%, #0891B2 100%);
  color: #FFFFFF;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.35);
}

.quiz-option-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  margin-bottom: 12px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  position: relative;
}

.quiz-option-item:hover:not(.locked) {
  border-color: #0D9488;
  background: var(--surface-subtle);
  transform: translateX(4px);
}

.quiz-opt-letter {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--slate-700);
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.quiz-option-item.selected .quiz-opt-letter {
  background: #0D9488;
  color: #FFFFFF;
  border-color: #0D9488;
}

.quiz-option-item.correct {
  border-color: #10B981 !important;
  background: rgba(16, 185, 129, 0.08) !important;
}
.quiz-option-item.correct .quiz-opt-letter {
  background: #10B981 !important;
  color: #FFFFFF !important;
  border-color: #10B981 !important;
}

.quiz-option-item.wrong {
  border-color: #EF4444 !important;
  background: rgba(239, 68, 68, 0.08) !important;
}
.quiz-option-item.wrong .quiz-opt-letter {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border-color: #EF4444 !important;
}

.quiz-correct-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #10B981;
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  margin-left: auto;
}

.quiz-wrong-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #EF4444;
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  margin-left: auto;
}

.quiz-explanation-box {
  margin-top: 20px;
  padding: 20px 24px;
  border-radius: 12px;
  background: var(--surface-subtle);
  border-left: 5px solid #0D9488;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  animation: fadeIn 0.3s ease-in-out;
}

.mastery-progress-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.12);
  color: #D97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
}

/* ── Glowing Animated Learning Mode Hero Box ─────────────────── */
@keyframes auraPulseAmber {
  0%, 100% {
    box-shadow: 0 12px 36px -6px rgba(245, 158, 11, 0.3), 0 0 20px rgba(245, 158, 11, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }
  50% {
    box-shadow: 0 16px 48px -4px rgba(245, 158, 11, 0.55), 0 0 35px rgba(245, 158, 11, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
}

@keyframes auraPulseTeal {
  0%, 100% {
    box-shadow: 0 12px 36px -6px rgba(13, 148, 136, 0.35), 0 0 20px rgba(13, 148, 136, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }
  50% {
    box-shadow: 0 16px 48px -4px rgba(13, 148, 136, 0.65), 0 0 35px rgba(13, 148, 136, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
}

@keyframes liveDotPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.85);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  }
}

@keyframes liveDotPulseQuiz {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.9);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}

@keyframes beamSweep {
  0% {
    transform: rotate(0deg);
    opacity: 0.4;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    transform: rotate(360deg);
    opacity: 0.4;
  }
}

.cbt-mode-hero-box {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg, 18px);
  padding: 22px 28px;
  margin-bottom: 24px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border: 2px solid transparent;
}

.cbt-mode-hero-box.test-active {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 55%, #0F172A 100%);
  border-color: rgba(245, 158, 11, 0.55);
  animation: auraPulseAmber 3.5s infinite ease-in-out;
}

.cbt-mode-hero-box.quiz-active {
  background: linear-gradient(135deg, #0A1926 0%, #0F2D37 55%, #081B24 100%);
  border-color: rgba(13, 148, 136, 0.65);
  animation: auraPulseTeal 3.5s infinite ease-in-out;
}

.mode-hero-glow-beam {
  position: absolute;
  top: -80%;
  left: -80%;
  width: 260%;
  height: 260%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.4) 0%, transparent 60%);
  animation: beamSweep 16s linear infinite;
}

.cbt-mode-hero-box.quiz-active .mode-hero-glow-beam {
  background: radial-gradient(circle, rgba(13, 148, 136, 0.45) 0%, transparent 60%);
}

.mode-hero-mesh-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.cbt-mode-hero-box.test-active .mode-hero-mesh-bg {
  background: radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.16) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(249, 115, 22, 0.12) 0%, transparent 40%);
}

.cbt-mode-hero-box.quiz-active .mode-hero-mesh-bg {
  background: radial-gradient(circle at 10% 20%, rgba(13, 148, 136, 0.22) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.16) 0%, transparent 40%);
}

.mode-hero-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  position: relative;
  z-index: 2;
}

.mode-hero-left {
  flex: 1 1 460px;
  max-width: 720px;
}

.mode-hero-header-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.mode-hero-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.mode-hero-icon-wrapper.test {
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.45);
  color: #FFFFFF;
}

.mode-hero-icon-wrapper.quiz {
  background: linear-gradient(135deg, #0D9488, #0891B2);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.45);
  color: #FFFFFF;
}

.mode-live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 10.5px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mode-live-pill.test {
  background: rgba(245, 158, 11, 0.18);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.mode-live-pill.quiz {
  background: rgba(13, 148, 136, 0.22);
  color: #34D399;
  border: 1px solid rgba(13, 148, 136, 0.45);
}

.live-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.live-pulse-dot.test {
  background: #F59E0B;
  animation: liveDotPulse 1.8s infinite ease-out;
}

.live-pulse-dot.quiz {
  background: #10B981;
  animation: liveDotPulseQuiz 1.8s infinite ease-out;
}

.mode-tagline-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--slate-300, #CBD5E1);
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 9999px;
}

.mode-hero-title {
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 3px 0 0 0;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.mode-hero-desc {
  font-size: 13px;
  color: var(--slate-300, #CBD5E1);
  margin: 0 0 12px 0;
  line-height: 1.5;
}

.mode-hero-desc strong {
  color: #FFFFFF;
}

.mode-features-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mode-feat-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.mode-feat-chip.test {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #FDE68A;
}

.mode-feat-chip.quiz {
  background: rgba(13, 148, 136, 0.16);
  border: 1px solid rgba(13, 148, 136, 0.32);
  color: #A7F3D0;
}

.feat-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  display: inline-block;
}

.feat-dot.test { background: #F59E0B; }
.feat-dot.quiz { background: #10B981; }

.mode-hero-right {
  flex: 0 0 auto;
  display: flex;
  justify-content: flex-end;
}

.mode-switch-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.mode-switch-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--slate-400, #94A3B8);
}

.switch-pulse-badge {
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 9.5px;
  font-weight: 900;
  text-transform: uppercase;
}

.switch-pulse-badge.test {
  background: rgba(245, 158, 11, 0.2);
  color: #FBBF24;
}

.switch-pulse-badge.quiz {
  background: rgba(13, 148, 136, 0.25);
  color: #34D399;
}

.mode-switcher-container {
  display: inline-flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.85);
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-radius: 9999px;
  padding: 5px;
  gap: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), inset 0 2px 6px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.mode-switch-btn {
  border: none;
  background: transparent;
  padding: 10px 20px;
  border-radius: 9999px;
  font-size: 13.5px;
  font-weight: 800;
  color: var(--slate-400, #94A3B8);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  user-select: none;
}

.mode-switch-btn:hover:not(.active) {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.mode-switch-btn.active.test {
  background: linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.55), 0 0 12px rgba(245, 158, 11, 0.35);
  transform: scale(1.02);
}

.mode-switch-btn.active.quiz {
  background: linear-gradient(135deg, #0D9488 0%, #0891B2 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(13, 148, 136, 0.55), 0 0 12px rgba(13, 148, 136, 0.35);
  transform: scale(1.02);
}

.btn-active-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  font-size: 10.5px;
  font-weight: 900;
  margin-left: 2px;
}

.mode-switch-footer-hint {
  font-size: 11.5px;
  color: var(--slate-400, #94A3B8);
  text-align: right;
  max-width: 320px;
}

.mode-switch-footer-hint strong {
  color: #FFFFFF;
}

/* Pulse animation triggered on switch */
.mode-pulse-3s,
.animate-mode-pulse {
  animation: auraPulseAmber 1.2s ease-in-out 3 !important;
}

.cbt-mode-hero-box.quiz-active.mode-pulse-3s,
.cbt-mode-hero-box.quiz-active.animate-mode-pulse {
  animation: auraPulseTeal 1.2s ease-in-out 3 !important;
}

@media (max-width: 768px) {
  .cbt-mode-hero-box {
    padding: 18px 16px;
  }
  .mode-hero-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .mode-switch-wrapper {
    align-items: stretch;
    width: 100%;
  }
  .mode-switch-label-row {
    justify-content: space-between;
  }
  .mode-switcher-container {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .mode-switch-btn {
    justify-content: center;
    padding: 10px 12px;
    font-size: 13px;
  }
  .mode-switch-footer-hint {
    text-align: center;
    max-width: 100%;
  }
}

/* ── Light Mode Overrides for Mode Hero Box ────────────────── */
[data-theme="light"] .cbt-mode-hero-box.test-active {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 55%, #FFF7ED 100%) !important;
  border-color: rgba(245, 158, 11, 0.6) !important;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.12) !important;
  animation: none !important;
}

[data-theme="light"] .cbt-mode-hero-box.quiz-active {
  background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 55%, #E6FFFA 100%) !important;
  border-color: rgba(13, 148, 136, 0.6) !important;
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.12) !important;
  animation: none !important;
}

[data-theme="light"] .mode-hero-glow-beam,
[data-theme="light"] .mode-hero-mesh-bg {
  opacity: 0.04 !important;
}

[data-theme="light"] .mode-hero-title {
  color: #0F172A !important;
}

[data-theme="light"] .mode-hero-desc {
  color: #334155 !important;
}

[data-theme="light"] .mode-hero-desc strong {
  color: #0F172A !important;
}

[data-theme="light"] .mode-tagline-pill {
  background: rgba(15, 23, 42, 0.06) !important;
  border-color: rgba(15, 23, 42, 0.12) !important;
  color: #475569 !important;
}

[data-theme="light"] .mode-live-pill.test {
  background: rgba(245, 158, 11, 0.14) !important;
  border-color: rgba(245, 158, 11, 0.35) !important;
  color: #B45309 !important;
}

[data-theme="light"] .mode-live-pill.quiz {
  background: rgba(13, 148, 136, 0.14) !important;
  border-color: rgba(13, 148, 136, 0.35) !important;
  color: #0F766E !important;
}

[data-theme="light"] .mode-feat-chip.test {
  background: rgba(245, 158, 11, 0.14) !important;
  border-color: rgba(245, 158, 11, 0.35) !important;
  color: #B45309 !important;
}

[data-theme="light"] .mode-feat-chip.quiz {
  background: rgba(13, 148, 136, 0.14) !important;
  border-color: rgba(13, 148, 136, 0.35) !important;
  color: #0F766E !important;
}

[data-theme="light"] .mode-switch-wrapper .switch-hint-text {
  color: #64748B !important;
}

[data-theme="light"] .mode-switcher-container {
  background: #FFFFFF !important;
  border: 2px solid #E2E8F0 !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06) !important;
}

[data-theme="light"] .mode-switch-btn {
  color: #64748B !important;
}

[data-theme="light"] .mode-switch-btn:hover:not(.active) {
  color: #0F172A !important;
  background: #F1F5F9 !important;
}

[data-theme="light"] .mode-switch-footer-hint {
  color: #64748B !important;
}

[data-theme="light"] .mode-switch-footer-hint strong {
  color: #0F172A !important;
}

/* ── Portal Welcome Banner (Theme-Adaptive) ─────────────────── */
.portal-welcome-hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #0F172A 100%);
  color: #FFFFFF;
  padding: 28px 32px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg, 18px);
  border: 1px solid var(--border);
}

.portal-welcome-hero h1 {
  color: #FFFFFF !important;
}

.portal-welcome-hero p {
  color: var(--slate-300, #CBD5E1) !important;
}

.portal-welcome-target-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.2);
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.portal-hero-action-btn-pyq {
  background: rgba(245, 158, 11, 0.15) !important;
  color: #FCD34D !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
}

.portal-hero-action-btn-scores {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

[data-theme="light"] .portal-welcome-hero {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 60%, #F1F5F9 100%) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm) !important;
}

[data-theme="light"] .portal-welcome-hero h1 {
  color: #0F172A !important;
}

[data-theme="light"] .portal-welcome-hero p {
  color: #64748B !important;
}

[data-theme="light"] .portal-welcome-target-badge {
  background: rgba(245, 158, 11, 0.15) !important;
  color: #B45309 !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
}

[data-theme="light"] .portal-hero-action-btn-pyq {
  background: rgba(245, 158, 11, 0.12) !important;
  color: #B45309 !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
}

[data-theme="light"] .portal-hero-action-btn-scores {
  background: #FFFFFF !important;
  color: #334155 !important;
  border: 1px solid #CBD5E1 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
}

/* ── Earn Subscription Days Card (Theme System) ─────────────── */
.portal-earn-sub-card {
  background: linear-gradient(135deg, #0B1329 0%, #15203B 50%, #0D1B2A 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 24px rgba(245, 158, 11, 0.1);
  border-radius: 18px;
  padding: 24px 28px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
}

.earn-sub-glow-accent-1 {
  position: absolute;
  right: -40px;
  top: -40px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0) 70%);
  pointer-events: none;
}

.earn-sub-glow-accent-2 {
  position: absolute;
  left: 20%;
  bottom: -60px;
  width: 300px;
  height: 160px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0) 70%);
  pointer-events: none;
}

.earn-gift-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
  flex-shrink: 0;
}

.earn-title {
  color: #FFFFFF;
}

.earn-subtitle {
  color: #94A3B8;
}

.earn-free-pill {
  font-size: 10.5px;
  font-weight: 800;
  background: rgba(245, 158, 11, 0.2);
  color: #FCD34D;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 2px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
}

.earn-tier-badge {
  background: rgba(255, 255, 255, 0.05);
}

.earn-tier-title {
  color: #FFFFFF;
}

.earn-kpi-box {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.earn-kpi-label {
  color: #94A3B8;
}

.earn-kpi-val {
  color: #FFFFFF;
}

.earn-kpi-sub {
  color: #64748B;
}

.earn-progress-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.earn-progress-title {
  color: #FFFFFF;
}

.earn-progress-sub {
  color: #94A3B8;
}

.earn-progress-strong {
  color: #FFFFFF;
}

.earn-progress-track {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.earn-progress-footer-row {
  color: #94A3B8;
}

.earn-rule-pill {
  background: rgba(245, 158, 11, 0.06);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  color: #CBD5E1;
}

.earn-rule-pill strong {
  color: #FCD34D;
}

.earn-history-section {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.earn-history-title {
  color: #FFFFFF;
}

.earn-history-count-badge {
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.06);
}

.portal-earn-sub-card table thead tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #94A3B8;
}

.portal-earn-sub-card table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.earn-td-date {
  color: #FFFFFF;
}

.earn-td-sub {
  color: #94A3B8;
}

.earn-td-text {
  color: #CBD5E1;
}

.earn-empty-state {
  color: #94A3B8;
}

.earn-empty-text {
  color: #E2E8F0;
}

.earn-empty-sub {
  color: #64748B;
}

/* Light Mode Overrides for Earn Subscription Days Card */
[data-theme="light"] .portal-earn-sub-card {
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFDF7 55%, #FEFCE8 100%) !important;
  border: 1px solid rgba(245, 158, 11, 0.35) !important;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04) !important;
  color: var(--text-main) !important;
}

[data-theme="light"] .earn-sub-glow-accent-1,
[data-theme="light"] .earn-sub-glow-accent-2 {
  opacity: 0.03 !important;
}

[data-theme="light"] .earn-title {
  color: #0F172A !important;
}

[data-theme="light"] .earn-subtitle {
  color: #64748B !important;
}

[data-theme="light"] .earn-free-pill {
  background: rgba(245, 158, 11, 0.15) !important;
  color: #B45309 !important;
  border: 1px solid rgba(245, 158, 11, 0.35) !important;
}

[data-theme="light"] .earn-tier-badge {
  background: #FFFFFF !important;
  border-color: #CBD5E1 !important;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .earn-tier-title {
  color: #0F172A !important;
}

[data-theme="light"] .earn-kpi-box {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .earn-kpi-label {
  color: #64748B !important;
}

[data-theme="light"] .earn-kpi-val {
  color: #0F172A !important;
}

[data-theme="light"] .earn-kpi-sub {
  color: #94A3B8 !important;
}

[data-theme="light"] .earn-progress-box {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .earn-progress-title {
  color: #0F172A !important;
}

[data-theme="light"] .earn-progress-sub {
  color: #64748B !important;
}

[data-theme="light"] .earn-progress-strong {
  color: #0F172A !important;
}

[data-theme="light"] .earn-progress-track {
  background: #E2E8F0 !important;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

[data-theme="light"] .earn-progress-footer-row {
  color: #64748B !important;
}

[data-theme="light"] .earn-rule-pill {
  background: #FEF3C7 !important;
  border: 1px dashed rgba(245, 158, 11, 0.45) !important;
  color: #78350F !important;
}

[data-theme="light"] .earn-rule-pill strong {
  color: #92400E !important;
}

[data-theme="light"] .earn-history-section {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .earn-history-title {
  color: #0F172A !important;
}

[data-theme="light"] .earn-history-count-badge {
  color: #64748B !important;
  background: #F1F5F9 !important;
}

[data-theme="light"] .portal-earn-sub-card table thead tr {
  border-bottom: 1px solid #E2E8F0 !important;
  color: #64748B !important;
}

[data-theme="light"] .portal-earn-sub-card table tbody tr {
  border-bottom: 1px solid #F1F5F9 !important;
}

[data-theme="light"] .earn-td-date {
  color: #0F172A !important;
}

[data-theme="light"] .earn-td-sub {
  color: #64748B !important;
}

[data-theme="light"] .earn-td-text {
  color: #334155 !important;
}

[data-theme="light"] .earn-empty-state {
  color: #64748B !important;
}

[data-theme="light"] .earn-empty-text {
  color: #0F172A !important;
}

[data-theme="light"] .earn-empty-sub {
  color: #64748B !important;
}

/* ── Universal Responsive Tab Bar Discipline ─────────────────── */
.tabs-responsive-scroll,
.saved-q-tabs-wrap,
.cbt-catalog-tab-group,
.admin-exams-tabs-bar,
.calc-cat-tabs,
.cms-primary-tabs-bar {
  overflow-x: auto !important;
  flex-wrap: nowrap !important;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tabs-responsive-scroll::-webkit-scrollbar,
.saved-q-tabs-wrap::-webkit-scrollbar,
.cbt-catalog-tab-group::-webkit-scrollbar,
.admin-exams-tabs-bar::-webkit-scrollbar,
.calc-cat-tabs::-webkit-scrollbar,
.cms-primary-tabs-bar::-webkit-scrollbar {
  display: none;
}

/* ── CBT Exam Question Palette High-Contrast Tuning ─────────── */
.cbt-palette-btn {
  font-weight: 800 !important;
  min-width: 36px;
  min-height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  font-size: 13px;
}

[data-theme="light"] .cbt-palette-btn.status-answered {
  background: #10B981 !important;
  color: #FFFFFF !important;
  border-color: #059669 !important;
}

[data-theme="light"] .cbt-palette-btn.status-not-answered {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border-color: #DC2626 !important;
}

[data-theme="light"] .cbt-palette-btn.status-marked {
  background: #8B5CF6 !important;
  color: #FFFFFF !important;
  border-color: #7C3AED !important;
}

[data-theme="light"] .cbt-palette-btn.status-ans-marked {
  background: #6366F1 !important;
  color: #FFFFFF !important;
  border-color: #4F46E5 !important;
}

[data-theme="light"] .cbt-palette-btn.status-not-visited {
  background: #F1F5F9 !important;
  color: #475569 !important;
  border-color: #CBD5E1 !important;
}

/* ── Admin Settings & CMS Studio Dark Theme Adaptation ───────── */
[data-theme="dark"] .cms-primary-tabs-bar,
[data-theme="dark"] .cms-studio-subnav,
[data-theme="dark"] .cms-studio-content-pane,
[data-theme="dark"] #settings-form .card {
  background: var(--surface) !important;
  border-color: var(--border) !important;
  color: var(--text-main) !important;
  box-shadow: var(--shadow-sm) !important;
}

[data-theme="dark"] .cms-studio-layout div[style*="background:#FFFFFF"],
[data-theme="dark"] .cms-studio-layout div[style*="background: #FFFFFF"],
[data-theme="dark"] .cms-studio-layout div[style*="background:#ffffff"],
[data-theme="dark"] .cms-studio-layout div[style*="background: #ffffff"],
[data-theme="dark"] #settings-form div[style*="background:#FFFFFF"],
[data-theme="dark"] #settings-form div[style*="background: #FFFFFF"],
[data-theme="dark"] #settings-form div[style*="background:#ffffff"],
[data-theme="dark"] #settings-form div[style*="background: #ffffff"] {
  background: var(--surface) !important;
  border-color: var(--border) !important;
  color: var(--text-main) !important;
}

[data-theme="dark"] .cms-studio-layout div[style*="background:#F8FAFC"],
[data-theme="dark"] .cms-studio-layout div[style*="background: #F8FAFC"],
[data-theme="dark"] #settings-form div[style*="background:#F8FAFC"],
[data-theme="dark"] #settings-form div[style*="background: #F8FAFC"] {
  background: var(--surface-subtle) !important;
  border-color: var(--border) !important;
}

[data-theme="dark"] .cms-studio-layout input.form-control,
[data-theme="dark"] .cms-studio-layout select.form-control,
[data-theme="dark"] .cms-studio-layout textarea.form-control,
[data-theme="dark"] #settings-form input.form-control,
[data-theme="dark"] #settings-form select.form-control,
[data-theme="dark"] #settings-form textarea.form-control {
  background: var(--surface-raised) !important;
  color: var(--text-main) !important;
  border-color: var(--border-strong) !important;
}

[data-theme="dark"] .cms-studio-layout label,
[data-theme="dark"] .cms-studio-layout h3,
[data-theme="dark"] .cms-studio-layout h4,
[data-theme="dark"] #settings-form label,
[data-theme="dark"] #settings-form h3,
[data-theme="dark"] #settings-form h4 {
  color: var(--text-main) !important;
}

[data-theme="dark"] .cms-studio-layout p,
[data-theme="dark"] .cms-studio-layout .form-hint,
[data-theme="dark"] #settings-form p,
[data-theme="dark"] #settings-form .form-hint {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .cms-tab-nav-btn:not(.active) {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .cms-tab-nav-btn.active {
  background: rgba(245, 158, 11, 0.15) !important;
  border-color: rgba(245, 158, 11, 0.4) !important;
  color: #FBBF24 !important;
}

[data-theme="dark"] .quiz-option-item {
  background: #1E293B;
  border-color: rgba(255, 255, 255, 0.1);
  color: #F8FAFC;
}
[data-theme="dark"] .quiz-option-item:hover:not(.locked) {
  background: #334155;
  border-color: #14B8A6;
}
[data-theme="dark"] .quiz-option-item.correct {
  background: rgba(16, 185, 129, 0.2) !important;
  border-color: #10B981 !important;
}
[data-theme="dark"] .quiz-option-item.wrong {
  background: rgba(239, 68, 68, 0.2) !important;
  border-color: #EF4444 !important;
}
[data-theme="dark"] .quiz-explanation-box {
  background: #1E293B;
  border-color: #14B8A6;
  color: #F8FAFC;
}

/* CBT Exam Hall Quiz Mode Palette & Option Styles */
.palette-btn-testbook.quiz-correct {
  background: #10B981 !important;
  color: #FFFFFF !important;
  border-color: #059669 !important;
}
.palette-btn-testbook.quiz-wrong {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border-color: #DC2626 !important;
}
.palette-btn-testbook.quiz-skipped {
  background: #F59E0B !important;
  color: #FFFFFF !important;
  border-color: #D97706 !important;
}
.palette-btn-testbook.quiz-locked {
  opacity: 0.35 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  background: #E2E8F0 !important;
  color: #94A3B8 !important;
  border-color: #CBD5E1 !important;
}
.cbt-option-card.locked {
  cursor: default !important;
  pointer-events: none !important;
}
.cbt-option-card .opt-badge-slot {
  margin-left: auto;
  flex-shrink: 0;
}
.quiz-correct-badge {
  background: #10B981;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
}
.quiz-wrong-badge {
  background: #EF4444;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
}

/* Question Drill-Down Review Styles */
.drilldown-tab-btn {
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.drilldown-tab-btn:hover {
  border-color: var(--primary);
  color: var(--text-main);
}
.drilldown-tab-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary-hover);
}
.drilldown-q-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.drilldown-q-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
}

/* ============================================================
   ⚡ CALCULATION BOOSTER — MODERN DESIGN SYSTEM
   ============================================================ */
.calc-mode-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
  border-color: rgba(245, 158, 11, 0.6) !important;
}

.topic-card:hover {
  transform: translateY(-2px);
  border-color: rgba(96, 165, 250, 0.4) !important;
  background: rgba(255, 255, 255, 0.05) !important;
}

.numpad-key:hover {
  background: rgba(255, 255, 255, 0.12) !important;
}

.numpad-key:active {
  transform: scale(0.95);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulseGlow {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.85; }
  100% { transform: scale(1); opacity: 1; }
}

.blinking-cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes cardShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.card-shake {
  animation: cardShake 0.28s ease-in-out !important;
}

/* ── 100dvh Zero-Scroll Mobile Drill Screen ── */
.calc-drill-screen {
  height: 100vh;
  height: 100dvh;
  max-height: 100dvh;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  overflow: hidden !important;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 14px 10px;
  box-sizing: border-box;
}

.calc-drill-hud {
  flex-shrink: 0;
  width: 100%;
}

.calc-drill-arena-card {
  flex: 1 1 auto;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 18px;
  padding: 16px 20px;
  margin: 4px 0 8px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(0,0,0,0.35);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.calc-math-text {
  font-size: clamp(28px, 7vw, 52px);
  font-weight: 900;
  font-family: monospace, ui-monospace, SFMono-Regular, monospace;
  line-height: 1.15;
  margin-bottom: 6px;
  max-width: 100%;
  word-break: break-word;
  user-select: none;
}

.calc-input-display {
  width: min(380px, 88vw);
  height: 56px;
  background: rgba(0, 0, 0, 0.45);
  border: 2px solid #3B82F6;
  border-radius: 14px;
  font-size: 28px;
  font-weight: 900;
  color: #FFFFFF;
  font-family: monospace, ui-monospace, monospace;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 2px;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.28);
  margin: 6px auto 10px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 100%;
  max-width: 480px;
  margin: 6px auto 0;
}

.calc-option-btn {
  height: 48px;
  padding: 0 14px;
  font-size: 18px;
  font-weight: 800;
  font-family: monospace, ui-monospace, monospace;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  cursor: pointer;
  touch-action: manipulation;
  transition: background 0.15s ease;
}
.calc-option-btn:active {
  background: rgba(59, 130, 246, 0.4);
}

.calc-reveal-answer-banner {
  background: rgba(16, 185, 129, 0.18);
  border: 1.5px solid #10B981;
  color: #34D399;
  font-size: 12.5px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 9999px;
  margin-top: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  animation: pulse 1.8s infinite;
}

.calc-numpad-grid {
  flex-shrink: 0;
  max-width: 440px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.calc-numpad-key {
  min-height: 48px;
  height: clamp(48px, 7.2vh, 58px);
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: clamp(18px, 4.5vw, 22px);
  font-weight: 800;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  font-family: monospace, ui-monospace, monospace;
  transition: background 0.1s ease, transform 0.08s ease;
}
.calc-numpad-key:active {
  transform: scale(0.96);
  background: rgba(255, 255, 255, 0.18);
}

/* ── Calculation Booster Grid & Card Architecture ── */
.calc-booster-container,
.calc-learn-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 10px 0 40px;
  box-sizing: border-box;
  overflow-x: hidden;
}

.calc-hero-card {
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.calc-mastery-card {
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.calc-modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.calc-mode-box {
  cursor: pointer;
  border-radius: 16px;
  padding: 22px;
  transition: all 0.25s ease;
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.calc-mode-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.calc-mode-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.calc-mode-badge {
  font-size: 11.5px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 9999px;
  line-height: 1.3;
}

.calc-mode-title {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 6px;
  line-height: 1.35;
  word-break: break-word;
}

.calc-mode-desc {
  font-size: 13.5px;
  margin: 0 0 16px;
  line-height: 1.5;
  word-break: break-word;
}

.calc-mode-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  word-break: break-word;
}

.calc-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 26px;
  width: 100%;
  box-sizing: border-box;
}

.calc-kpi-card {
  border-radius: 14px;
  padding: 16px;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.calc-kpi-val {
  font-size: 24px;
  font-weight: 900;
}

.calc-secondary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
  width: 100%;
  box-sizing: border-box;
}

.calc-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
}

/* ── Strict Mobile Responsive Rules (max-width: 640px) ── */
@media (max-width: 640px) {
  .calc-drill-screen {
    padding: 6px 8px 8px !important;
  }
  .calc-booster-container,
  .calc-learn-container,
  .calc-practice-hub,
  .battle-lobby-wrap,
  .battle-result-wrap,
  .calc-waiting-room,
  .calc-join-screen,
  .calc-report-container {
    padding: 0 0 20px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .calc-hero-card {
    padding: 12px 10px !important;
    border-radius: 12px !important;
    margin-bottom: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .calc-hero-card h1 {
    font-size: 17px !important;
    margin-bottom: 4px !important;
  }
  .calc-hero-card p {
    font-size: 11px !important;
    line-height: 1.35 !important;
  }
  .calc-hero-stats-row {
    width: 100% !important;
    margin-top: 8px !important;
    gap: 6px !important;
  }
  .calc-hero-stats-row > div {
    padding: 5px 8px !important;
  }
  .calc-hero-stats-row strong {
    font-size: 14px !important;
  }
  .calc-mastery-card {
    padding: 8px 8px !important;
    margin-top: 8px !important;
    border-radius: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .calc-mastery-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 4px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .calc-mastery-grid > div {
    padding: 4px 4px !important;
    font-size: 9.5px !important;
  }
  .calc-mastery-grid strong {
    font-size: 11px !important;
  }

  /* Single Column Mode Boxes on Mobile */
  .calc-modes-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
    margin-bottom: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .calc-mode-box {
    padding: 10px 10px !important;
    border-radius: 12px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .calc-mode-header {
    gap: 6px !important;
    margin-bottom: 6px !important;
  }
  .calc-mode-icon {
    width: 28px !important;
    height: 28px !important;
    font-size: 14px !important;
    border-radius: 8px !important;
  }
  .calc-mode-badge {
    font-size: 9.5px !important;
    padding: 2px 6px !important;
    max-width: calc(100% - 36px) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .calc-mode-title {
    font-size: 14px !important;
    margin-bottom: 3px !important;
    word-break: break-word !important;
  }
  .calc-mode-desc {
    font-size: 11px !important;
    line-height: 1.35 !important;
    margin-bottom: 8px !important;
    word-break: break-word !important;
  }
  .calc-mode-link {
    font-size: 11.5px !important;
  }

  /* 2x2 KPI on Mobile */
  .calc-kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 5px !important;
    margin-bottom: 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .calc-kpi-card {
    padding: 6px 6px !important;
    border-radius: 8px !important;
  }
  .calc-kpi-val {
    font-size: 15px !important;
  }

  /* Single Column Secondary & Topics Grid */
  .calc-secondary-grid,
  .calc-topics-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
    margin-bottom: 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .calc-secondary-grid .calc-theme-card {
    padding: 10px 10px !important;
    border-radius: 12px !important;
  }
  .calc-secondary-grid h3 {
    font-size: 14.5px !important;
    margin-bottom: 3px !important;
  }
  .calc-secondary-grid p {
    font-size: 11px !important;
    margin-bottom: 8px !important;
  }
  .calc-secondary-grid .badge {
    font-size: 10px !important;
    padding: 2px 6px !important;
    max-width: 100% !important;
  }

  /* Practice Hub & 1v1 Battle Lobby Mobile Compaction */
  .practice-card {
    padding: 12px 10px !important;
    border-radius: 12px !important;
  }
  .practice-card h3 {
    font-size: 15px !important;
  }
  .practice-card p {
    font-size: 11.5px !important;
    margin-bottom: 10px !important;
  }
  .practice-card button {
    padding: 7px 10px !important;
    font-size: 12px !important;
  }

  .battle-lobby-wrap {
    padding: 4px 2px 24px !important;
    margin: 0 auto !important;
  }
  .battle-lobby-wrap .calc-theme-card {
    padding: 12px 10px !important;
    border-radius: 14px !important;
  }
  .battle-diff-grid button {
    padding: 5px 2px !important;
    font-size: 10.5px !important;
  }

  /* Report & Result Screens Compact Grid */
  .calc-report-container > div,
  .battle-result-wrap > div {
    padding: 12px 8px !important;
    border-radius: 14px !important;
    margin-bottom: 10px !important;
  }
  .calc-report-scores-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 4px !important;
    width: 100% !important;
  }
  .calc-report-scores-grid > div {
    padding: 6px 2px !important;
    border-radius: 8px !important;
  }
  .calc-report-scores-grid .score-val {
    font-size: 16px !important;
    margin: 2px 0 !important;
  }
  .calc-report-scores-grid .score-lbl {
    font-size: 9px !important;
  }

  /* ── Calculation Booster Category Tabs on Mobile (R8) ── */
  .calc-cat-tabs {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    gap: 6px !important;
    padding-bottom: 8px !important;
    margin-bottom: 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    scrollbar-width: none !important;
  }
  .calc-cat-tabs::-webkit-scrollbar {
    display: none !important;
  }
  .calc-cat-tabs button,
  .calc-cat-tabs .btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    padding: 6px 12px !important;
    font-size: 11.5px !important;
  }

  /* Sub-Module Study vs Practice Pills Bar */
  .calc-submodule-tabs,
  div[style*="background:rgba(0,0,0,0.06); padding:4px; border-radius:12px;"],
  div[style*="background: rgba(0, 0, 0, 0.06); padding: 4px; border-radius: 12px;"] {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    gap: 4px !important;
  }
  .calc-submodule-tabs button,
  div[style*="background:rgba(0,0,0,0.06); padding:4px; border-radius:12px;"] button,
  div[style*="background: rgba(0, 0, 0, 0.06); padding: 4px; border-radius: 12px;"] button {
    flex: 1 1 50% !important;
    padding: 6px 8px !important;
    font-size: 11.5px !important;
    text-align: center !important;
    justify-content: center !important;
    white-space: nowrap !important;
  }

  /* Fractions Practice Mode Switcher Row on Mobile */
  .calc-mode-switcher-row,
  div[style*="justify-content:center; gap:8px; margin-bottom:20px;"],
  div[style*="justify-content: center; gap: 8px; margin-bottom: 20px;"] {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    gap: 8px !important;
  }
  .calc-mode-switcher-row button,
  div[style*="justify-content:center; gap:8px; margin-bottom:20px;"] button,
  div[style*="justify-content: center; gap: 8px; margin-bottom: 20px;"] button {
    width: 100% !important;
    white-space: normal !important;
    height: auto !important;
    min-height: 38px !important;
    padding: 8px 12px !important;
    line-height: 1.3 !important;
    text-align: center !important;
    font-size: 12px !important;
  }

  /* Quiz & Calculation Result Action Buttons on Mobile (R8) */
  .calc-result-actions,
  .quiz-summary-actions,
  .calc-report-container div[style*="display:flex; gap:12px; justify-content:center;"],
  .calc-report-container div[style*="display: flex; gap: 12px; justify-content: center;"],
  div[style*="gap:12px; justify-content:center; flex-wrap:wrap;"],
  div[style*="gap: 12px; justify-content: center; flex-wrap: wrap;"] {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    gap: 10px !important;
  }

  .calc-result-actions > *,
  .quiz-summary-actions > *,
  .calc-report-container div[style*="display:flex; gap:12px; justify-content:center;"] > *,
  .calc-report-container div[style*="display: flex; gap: 12px; justify-content: center;"] > *,
  div[style*="gap:12px; justify-content:center; flex-wrap:wrap;"] > .btn,
  div[style*="gap: 12px; justify-content: center; flex-wrap: wrap;"] > .btn {
    width: 100% !important;
    min-width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 11px 16px !important;
    font-size: 13px !important;
    box-sizing: border-box !important;
  }
}

/* ── Calculation Booster Theme-Adaptive & Interactive System ── */
.calc-theme-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.calc-theme-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.calc-title {
  color: var(--slate-900);
}
.calc-desc {
  color: var(--slate-600);
}
.calc-muted {
  color: var(--slate-500);
}

/* Range Selector Chips */
.calc-range-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  border: 1.5px solid var(--border);
  background: var(--surface-subtle);
  color: var(--slate-700);
  transition: all 0.18s ease;
}
.calc-range-chip:hover {
  border-color: var(--primary);
  color: var(--slate-900);
}
.calc-range-chip.active {
  background: var(--primary);
  border-color: var(--primary-hover);
  color: #000000;
  box-shadow: 0 2px 8px var(--primary-glow);
}

/* Number Buttons Grid (e.g. 21-30 selection) */
.calc-number-btn {
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 14px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--slate-900);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}
.calc-number-btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}
.calc-number-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #000000;
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Multi-step equation box */
.calc-table-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  min-height: 48px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--slate-900);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.15s ease;
}
.calc-table-row:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

/* ============================================================
   ⚡ CALCULATION BOOSTER — SIGNATURE YELLOW THEME SYSTEM
   Dark & Light Mode Adaptation + Mobile, Laptop & Desktop Responsive
   ============================================================ */

/* ── Dark Mode Yellow Theme ── */
[data-theme="dark"] .calc-hero-card {
  background: linear-gradient(135deg, #0F172A 0%, #1A1708 50%, #1E1B0E 100%) !important;
  border: 1.5px solid rgba(245, 158, 11, 0.45) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(245, 158, 11, 0.12) !important;
}
[data-theme="dark"] .calc-hero-card .calc-title {
  color: #FFFFFF !important;
}
[data-theme="dark"] .calc-hero-card .calc-desc {
  color: #94A3B8 !important;
}
[data-theme="dark"] .calc-hero-badge {
  background: rgba(245, 158, 11, 0.18) !important;
  border: 1px solid rgba(245, 158, 11, 0.45) !important;
}
[data-theme="dark"] .calc-hero-badge span:first-child {
  color: #F59E0B !important;
}
[data-theme="dark"] .calc-hero-stats-row > div {
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid rgba(245, 158, 11, 0.35) !important;
}
[data-theme="dark"] .calc-mastery-card {
  background: rgba(0, 0, 0, 0.55) !important;
  border: 1px solid rgba(245, 158, 11, 0.25) !important;
}
[data-theme="dark"] .calc-theme-card {
  background: #111114 !important;
  border: 1.5px solid rgba(245, 158, 11, 0.22) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}
[data-theme="dark"] .calc-theme-card:hover {
  border-color: #F59E0B !important;
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.2) !important;
}

/* ── Light Mode Yellow Theme ── */
[data-theme="light"] .calc-hero-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 50%, #FDE68A 100%) !important;
  border: 1.5px solid #F59E0B !important;
  box-shadow: 0 10px 30px rgba(217, 119, 6, 0.12), 0 2px 8px rgba(245, 158, 11, 0.15) !important;
}
[data-theme="light"] .calc-hero-card .calc-title {
  color: #78350F !important;
}
[data-theme="light"] .calc-hero-card .calc-desc {
  color: #92400E !important;
}
[data-theme="light"] .calc-hero-badge {
  background: #FFFFFF !important;
  border: 1.5px solid #F59E0B !important;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.15) !important;
}
[data-theme="light"] .calc-hero-badge span:first-child {
  color: #B45309 !important;
  font-weight: 900 !important;
}
[data-theme="light"] .calc-hero-badge span:last-child {
  color: #78350F !important;
}
[data-theme="light"] .calc-hero-stats-row > div {
  background: #FFFFFF !important;
  border: 1.5px solid #FCD34D !important;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.08) !important;
}
[data-theme="light"] .calc-hero-stats-row > div div:first-child {
  color: #92400E !important;
}
[data-theme="light"] .calc-hero-stats-row > div div:last-child {
  color: #B45309 !important;
}
[data-theme="light"] .calc-mastery-card {
  background: rgba(255, 255, 255, 0.85) !important;
  border: 1.5px solid #FCD34D !important;
  backdrop-filter: blur(8px) !important;
}
[data-theme="light"] .calc-mastery-card span {
  color: #78350F !important;
}
[data-theme="light"] .calc-mastery-grid > div {
  background: #FFFFFF !important;
  border: 1px solid #FDE68A !important;
}
[data-theme="light"] .calc-mastery-grid > div span {
  color: #92400E !important;
}
[data-theme="light"] .calc-mastery-grid > div strong {
  color: #B45309 !important;
}
[data-theme="light"] .calc-theme-card {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
  box-shadow: 0 4px 18px rgba(217, 119, 6, 0.07) !important;
}
[data-theme="light"] .calc-theme-card:hover {
  border-color: #F59E0B !important;
  box-shadow: 0 8px 26px rgba(245, 158, 11, 0.16) !important;
}
[data-theme="light"] .calc-title {
  color: #0F172A !important;
}
[data-theme="light"] .calc-desc {
  color: #334155 !important;
}
[data-theme="light"] .calc-mode-title {
  color: #0F172A !important;
}
[data-theme="light"] .calc-mode-desc {
  color: #475569 !important;
}
[data-theme="light"] .calc-mode-link {
  color: #D97706 !important;
}
[data-theme="light"] .calc-mode-box {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
}
[data-theme="light"] .calc-mode-box:hover {
  border-color: #F59E0B !important;
  box-shadow: 0 10px 24px rgba(245, 158, 11, 0.15) !important;
}
[data-theme="light"] .calc-mode-badge {
  background: #FEF3C7 !important;
  color: #B45309 !important;
  border: 1px solid #FCD34D !important;
}
[data-theme="light"] .calc-kpi-card {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
}
[data-theme="light"] .calc-kpi-card .calc-muted {
  color: #64748B !important;
}
[data-theme="light"] .calc-kpi-val {
  color: #0F172A !important;
}
[data-theme="light"] .calc-number-btn {
  background: #F8FAFC !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
  font-weight: 800 !important;
}
[data-theme="light"] .calc-number-btn.active {
  background: linear-gradient(135deg, #F59E0B, #D97706) !important;
  border-color: #D97706 !important;
  color: #000000 !important;
}
[data-theme="light"] .calc-range-chip {
  background: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #1E293B !important;
  font-weight: 700 !important;
}
[data-theme="light"] .calc-range-chip.active {
  background: linear-gradient(135deg, #F59E0B, #D97706) !important;
  border-color: #D97706 !important;
  color: #000000 !important;
  font-weight: 900 !important;
}
[data-theme="light"] .calc-table-row {
  background: #F8FAFC !important;
  border: 1.5px solid #E2E8F0 !important;
  color: #0F172A !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .calc-table-row .calc-desc {
  color: #0F172A !important;
  font-weight: 800 !important;
  font-size: 16px !important;
}
[data-theme="light"] .calc-table-row .calc-title {
  color: #B45309 !important;
  font-weight: 900 !important;
  font-size: 20px !important;
}

/* Yellow Theme Interactive Buttons across both Dark and Light */
.btn-calc-yellow,
.btn-primary.btn-calc-yellow {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%) !important;
  color: #000000 !important;
  font-weight: 800 !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35) !important;
  transition: all 0.18s ease !important;
}
.btn-calc-yellow:hover {
  background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45) !important;
}
.btn-calc-yellow:active {
  transform: scale(0.97) !important;
}

/* Category Filter Tabs - Yellow Active States */
.calc-cat-tabs button.active {
  background: linear-gradient(135deg, #F59E0B, #D97706) !important;
  border-color: #F59E0B !important;
  color: #000000 !important;
  font-weight: 900 !important;
  box-shadow: 0 3px 12px rgba(245, 158, 11, 0.35) !important;
}

/* Speed Drill Math Equation Card */
[data-theme="dark"] .calc-drill-arena-card {
  background: linear-gradient(145deg, #111116 0%, #1A1A22 100%) !important;
  border: 2px solid rgba(245, 158, 11, 0.45) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 25px rgba(245, 158, 11, 0.15) !important;
}
[data-theme="light"] .calc-drill-arena-card {
  background: #FFFFFF !important;
  border: 2px solid #F59E0B !important;
  box-shadow: 0 10px 30px rgba(217, 119, 6, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}
[data-theme="light"] .calc-drill-arena-card .calc-math-text {
  color: #0F172A !important;
}
[data-theme="light"] .calc-input-display {
  background: #F8FAFC !important;
  border-color: #F59E0B !important;
  color: #0F172A !important;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2) !important;
}

/* ── Performance Report & Review Styles (Light & Dark Compatible) ── */
.calc-report-card {
  border-radius: 18px;
  padding: 20px 16px;
  text-align: center;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}
[data-theme="dark"] .calc-report-card {
  background: linear-gradient(135deg, #0F172A 0%, #1A1708 50%, #1E1B0E 100%) !important;
  border: 1.5px solid rgba(245, 158, 11, 0.45) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(245, 158, 11, 0.12) !important;
}
[data-theme="light"] .calc-report-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 50%, #FDE68A 100%) !important;
  border: 1.5px solid #F59E0B !important;
  box-shadow: 0 10px 30px rgba(217, 119, 6, 0.12), 0 2px 8px rgba(245, 158, 11, 0.15) !important;
}
[data-theme="dark"] .calc-report-title {
  color: #FFFFFF !important;
}
[data-theme="light"] .calc-report-title {
  color: #78350F !important;
}
[data-theme="dark"] .calc-report-desc {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-report-desc {
  color: #92400E !important;
}
.calc-report-stat-box {
  border-radius: 10px;
  padding: 8px 4px;
  min-width: 0;
  box-sizing: border-box;
}
[data-theme="dark"] .calc-report-stat-box {
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
}
[data-theme="light"] .calc-report-stat-box {
  background: #FFFFFF !important;
  border: 1.5px solid #FCD34D !important;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.08) !important;
}
[data-theme="dark"] .calc-report-stat-lbl {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-report-stat-lbl {
  color: #92400E !important;
  font-weight: 800 !important;
}
[data-theme="dark"] .calc-report-stat-sub {
  color: #64748B !important;
}
[data-theme="light"] .calc-report-stat-sub {
  color: #B45309 !important;
}
.calc-review-card {
  border-radius: 14px;
  padding: 16px 14px;
  margin-bottom: 20px;
}
[data-theme="dark"] .calc-review-card {
  background: #111114 !important;
  border: 1px solid rgba(245, 158, 11, 0.25) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}
[data-theme="light"] .calc-review-card {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
  box-shadow: 0 4px 18px rgba(217, 119, 6, 0.07) !important;
}
[data-theme="dark"] .calc-review-title {
  color: #FFFFFF !important;
}
[data-theme="light"] .calc-review-title {
  color: #0F172A !important;
}
.calc-review-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0 8px 8px 0;
  padding: 8px 12px;
  gap: 8px;
}
[data-theme="dark"] .calc-review-item {
  background: rgba(0, 0, 0, 0.35) !important;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
[data-theme="light"] .calc-review-item {
  background: #F8FAFC !important;
  border: 1.5px solid #E2E8F0 !important;
}
[data-theme="dark"] .calc-review-q {
  color: #FFFFFF !important;
}
[data-theme="light"] .calc-review-q {
  color: #0F172A !important;
  font-weight: 800 !important;
}
[data-theme="dark"] .calc-review-sub {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-review-sub {
  color: #475569 !important;
}
[data-theme="dark"] .calc-review-trick {
  color: #64748B !important;
}
[data-theme="light"] .calc-review-trick {
  color: #64748B !important;
}

/* ── Calculation Booster Subscription Earning Hub Card ── */
.calc-sub-card {
  border-radius: 18px;
  padding: 18px 20px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}
[data-theme="dark"] .calc-sub-card {
  background: linear-gradient(135deg, #1A1708 0%, #111114 60%, #181507 100%) !important;
  border: 1.5px solid rgba(245, 158, 11, 0.45) !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(245, 158, 11, 0.12) !important;
}
[data-theme="light"] .calc-sub-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 50%, #FFF7ED 100%) !important;
  border: 1.5px solid #F59E0B !important;
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.14) !important;
}
.calc-sub-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 11.5px;
}
[data-theme="dark"] .calc-sub-badge {
  background: rgba(245, 158, 11, 0.18) !important;
  border: 1px solid rgba(245, 158, 11, 0.45) !important;
  color: #F59E0B !important;
}
[data-theme="light"] .calc-sub-badge {
  background: #FFFFFF !important;
  border: 1.5px solid #F59E0B !important;
  color: #B45309 !important;
  font-weight: 800 !important;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.15) !important;
}
.calc-sub-bar-bg {
  border-radius: 9999px;
  height: 9px;
  overflow: hidden;
  position: relative;
  margin: 10px 0 14px;
}
[data-theme="dark"] .calc-sub-bar-bg {
  background: rgba(0, 0, 0, 0.55) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
}
[data-theme="light"] .calc-sub-bar-bg {
  background: #FEF3C7 !important;
  border: 1.5px solid #FCD34D !important;
}
.calc-sub-bar-fill {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, #F59E0B 0%, #10B981 100%) !important;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5) !important;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.calc-sub-metric-box {
  padding: 10px 12px;
  border-radius: 10px;
  text-align: center;
  box-sizing: border-box;
}
[data-theme="dark"] .calc-sub-metric-box {
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(245, 158, 11, 0.25) !important;
}
[data-theme="light"] .calc-sub-metric-box {
  background: #FFFFFF !important;
  border: 1.5px solid #FCD34D !important;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.08) !important;
}
.calc-sub-rule-box {
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 14px;
}
[data-theme="dark"] .calc-sub-rule-box {
  background: rgba(0, 0, 0, 0.45) !important;
  border: 1px solid rgba(245, 158, 11, 0.25) !important;
}
[data-theme="light"] .calc-sub-rule-box {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.06) !important;
}
[data-theme="dark"] .calc-sub-rule-title {
  color: #FFFFFF !important;
}
[data-theme="light"] .calc-sub-rule-title {
  color: #78350F !important;
}
[data-theme="dark"] .calc-sub-rule-desc {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-sub-rule-desc {
  color: #475569 !important;
}

/* Laptop & Desktop Enhancements (min-width: 768px) */
@media (min-width: 768px) {
  .calc-booster-container {
    padding: 16px 20px 48px !important;
  }
  .calc-hero-card {
    padding: 24px 28px !important;
    border-radius: 20px !important;
  }
  .calc-modes-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
  }
  .calc-mode-box {
    padding: 24px !important;
  }
  .calc-kpi-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 16px !important;
  }
  .calc-secondary-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
  .calc-topics-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)) !important;
    gap: 18px !important;
  }
}

/* Mobile Screen Mockup Modal */
.calc-phone-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.2s ease-out;
}

.calc-phone-frame {
  width: 100%;
  max-width: 390px;
  height: min(88vh, 760px);
  background: var(--surface);
  border: 8px solid #1E293B;
  border-radius: 40px;
  box-shadow: 0 25px 60px -10px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .calc-phone-frame {
  border-color: #0F172A;
  box-shadow: 0 25px 60px -10px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,0,0,0.1);
}

/* Speaker & Punch-hole Camera at top of Phone */
.calc-phone-notch {
  width: 110px;
  height: 20px;
  background: #0F172A;
  margin: 0 auto;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  z-index: 10;
}
.calc-phone-speaker {
  width: 36px;
  height: 3.5px;
  background: #334155;
  border-radius: 9999px;
}
.calc-phone-cam {
  width: 6.5px;
  height: 6.5px;
  background: #1E293B;
  border: 1px solid #334155;
  border-radius: 50%;
}

/* Phone Screen Content Area */
.calc-phone-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 18px 18px;
  overflow-y: auto;
}

/* Virtual Digit Pad inside Phone */
.calc-phone-numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
}

.calc-numpad-key {
  padding: 14px 10px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--slate-900);
  cursor: pointer;
  user-select: none;
  text-align: center;
  transition: all 0.1s ease;
  box-shadow: var(--shadow-xs);
}
.calc-numpad-key:hover {
  background: var(--surface-raised);
  border-color: var(--border-strong);
}
.calc-numpad-key:active {
  transform: scale(0.93);
  background: var(--primary-light);
  border-color: var(--primary);
}

.calc-numpad-key.submit-key {
  grid-column: span 3;
  background: linear-gradient(135deg, #F59E0B, #D97706);
  border: none;
  color: #000000;
  font-size: 16px;
  letter-spacing: 0.5px;
  padding: 12px;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.calc-numpad-key.submit-key:active {
  transform: scale(0.97);
}

/* Shake Animation on Wrong Answer */
@keyframes calcShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}
.calc-shake {
  animation: calcShake 0.4s ease-in-out;
  border-color: var(--error) !important;
  color: var(--error) !important;
}

/* Success Pop Animation */
@keyframes calcSuccessPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}
.calc-pop {
  animation: calcSuccessPop 0.3s ease-out;
}


/* --- New Calculation Booster Sets & Popup CSS --- */

.calc-sets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.calc-quiz-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.calc-learn-popup {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.calc-quiz-option-btn:hover:not(:disabled) {
  background: var(--surface-raised);
  border-color: var(--primary-light);
}

.calc-quiz-option-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.calc-numpad-btn:hover {
  background: var(--surface-raised);
}
.calc-numpad-btn:active {
  transform: scale(0.95);
  background: var(--surface-hover);
}

@media (max-width: 640px) {
  .calc-sets-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   MOBILE FOLDER EXPLORER COMPRESSION & UNIFIED STYLING
   ============================================================ */
.in-folder-tests-card {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

@media (max-width: 640px) {
  .folder-hero-card {
    padding: 14px !important;
    margin-bottom: 12px !important;
    border-radius: 10px !important;
  }
  .folder-hero-name {
    font-size: clamp(15px, 4.8vw, 18px) !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .folder-hero-meta {
    font-size: 11px !important;
    gap: 8px !important;
  }
  .in-folder-tests-card {
    padding: 12px 10px !important;
    border-radius: 10px !important;
  }
  .in-folder-tests-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }
  .in-folder-tests-header h3 {
    font-size: clamp(12px, 3.8vw, 14px) !important;
    word-break: break-word !important;
  }
  .in-folder-tests-actions {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .in-folder-tests-actions .btn,
  .in-folder-tests-actions a {
    flex: 1 1 auto !important;
    text-align: center !important;
    justify-content: center !important;
    padding: 6px 10px !important;
    font-size: 11.5px !important;
    white-space: normal !important;
  }
  .empty-folder-box {
    padding: 16px 10px !important;
  }
  .empty-folder-box .btn-create-first {
    width: 100% !important;
    max-width: 100% !important;
    padding: 8px 12px !important;
    font-size: 12px !important;
    white-space: normal !important;
    word-break: break-word !important;
  }
}

/* ============================================================
   TEST BUILDER MOBILE & DARK MODE ENHANCEMENTS
   ============================================================ */
.builder-step2-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.builder-samples-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .builder-step2-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
  }
  .builder-samples-bar {
    width: 100% !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .builder-samples-bar .sample-pill-btn {
    flex: 1 1 auto !important;
    text-align: center !important;
    padding: 5px 8px !important;
    font-size: 11px !important;
    white-space: nowrap !important;
  }
  .builder-tabs {
    flex-direction: column !important;
    gap: 6px !important;
  }
  .builder-tab {
    width: 100% !important;
    text-align: left !important;
    padding: 8px 12px !important;
    font-size: 12px !important;
  }
  .lang-pills {
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .lang-pill {
    flex: 1 1 auto !important;
    text-align: center !important;
    padding: 6px 10px !important;
    font-size: 11.5px !important;
  }
  .builder-bottom-actions-card {
    padding: 12px !important;
  }
  .builder-bottom-actions-card .btn-primary {
    width: 100% !important;
    font-size: 14px !important;
    padding: 10px 16px !important;
  }
}

/* Dark Mode Theme Support for Test Builder */
[data-theme="dark"] .builder-bottom-actions-card,
:root:not([data-theme="light"]) .builder-bottom-actions-card {
  background: var(--surface) !important;
  border-color: var(--border) !important;
}

[data-theme="dark"] #_main_section_select,
[data-theme="dark"] #_destination_category_select,
:root:not([data-theme="light"]) #_main_section_select,
:root:not([data-theme="light"]) #_destination_category_select {
  background: var(--surface-subtle) !important;
  color: var(--text-main) !important;
  border-color: var(--border) !important;
}

[data-theme="dark"] .sample-pill-btn,
:root:not([data-theme="light"]) .sample-pill-btn {
  background: var(--surface-subtle) !important;
  color: var(--text-secondary) !important;
  border-color: var(--border) !important;
}

[data-theme="dark"] .sample-pill-btn:hover,
:root:not([data-theme="light"]) .sample-pill-btn:hover {
  background: var(--surface-raised) !important;
  color: var(--primary) !important;
}

/* ============================================================
   QUESTION DIFFICULTY BADGES (EASY, MODERATE, HARD)
   ============================================================ */
.diff-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  line-height: 1.2;
}
.diff-badge-easy {
  background: rgba(16, 185, 129, 0.14) !important;
  color: #10B981 !important;
  border: 1px solid rgba(16, 185, 129, 0.3) !important;
}
.diff-badge-moderate {
  background: rgba(245, 158, 11, 0.14) !important;
  color: #F59E0B !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
}
.diff-badge-hard {
  background: rgba(239, 68, 68, 0.14) !important;
  color: #EF4444 !important;
  border: 1px solid rgba(239, 68, 68, 0.3) !important;
}
.diff-badge-unrated {
  background: rgba(148, 163, 184, 0.14) !important;
  color: var(--text-muted) !important;
  border: 1px solid rgba(148, 163, 184, 0.25) !important;
}
.diff-badge-mismatch-hard {
  background: rgba(239, 68, 68, 0.16) !important;
  color: #EF4444 !important;
  border: 1px solid rgba(239, 68, 68, 0.45) !important;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
  animation: pulseDiscrepancy 2.5s infinite ease-in-out;
}
.diff-badge-mismatch-easy {
  background: rgba(16, 185, 129, 0.16) !important;
  color: #10B981 !important;
  border: 1px solid rgba(16, 185, 129, 0.45) !important;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.2);
}
@keyframes pulseDiscrepancy {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.modal-batch-dock {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--surface);
  border-top: 2px solid var(--primary);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.25);
  border-radius: 0 0 12px 12px;
  z-index: 50;
  animation: slideUpDock 0.2s ease-out;
}
@keyframes slideUpDock {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.q-picker-card {
  transition: border-color 0.2s, background-color 0.2s;
}
.q-picker-card:hover {
  border-color: var(--primary) !important;
}
.q-picker-card.is-selected {
  border-color: var(--primary) !important;
  background: rgba(245, 158, 11, 0.05) !important;
}

/* ============================================================
   FAST SKELETON SHIMMER & CHUNKING UTILITIES
   ============================================================ */
@keyframes cbtSkeletonShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.cbt-skeleton-shimmer {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.09) 37%, rgba(255,255,255,0.03) 63%);
  background-size: 400% 100%;
  animation: cbtSkeletonShimmer 1.4s ease infinite;
}

[data-theme="light"] .cbt-skeleton-shimmer {
  background: linear-gradient(90deg, rgba(0,0,0,0.04) 25%, rgba(0,0,0,0.09) 37%, rgba(0,0,0,0.04) 63%);
  background-size: 400% 100%;
  animation: cbtSkeletonShimmer 1.4s ease infinite;
}

.cbt-skeleton-card {
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--apple-border, rgba(255,255,255,0.08));
  display: flex;
  flex-direction: column;
  min-height: 190px;
}

.cbt-chunk-pill {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 9999px;
  border: 1px solid var(--border, rgba(255,255,255,0.12));
  background: var(--surface, #1e293b);
  color: var(--text-secondary, #94a3b8);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.cbt-chunk-pill:hover {
  background: var(--surface-raised, #334155);
  color: var(--text-main, #ffffff);
  border-color: var(--primary, #f59e0b);
}

.cbt-chunk-pill.active {
  background: #f59e0b !important;
  color: #0f172a !important;
  border-color: #f59e0b !important;
  font-weight: 800 !important;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
}

/* ── Individual Test Card Share Button ───────────────────────── */
.btn-share-test {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 5px !important;
  padding: 6px 12px !important;
  font-size: 11.5px !important;
  font-weight: 700 !important;
  border-radius: 9999px !important;
  background: var(--apple-btn-sec-bg, rgba(255, 255, 255, 0.08)) !important;
  color: var(--apple-btn-sec-color, #E2E8F0) !important;
  border: 1px solid var(--apple-btn-sec-border, rgba(255, 255, 255, 0.14)) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer !important;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  line-height: 1 !important;
  height: 32px !important;
  box-sizing: border-box !important;
  user-select: none !important;
}

.btn-share-test:hover {
  background: rgba(255, 255, 255, 0.14) !important;
  border-color: #F59E0B !important;
  color: #F59E0B !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 3px 10px rgba(245, 158, 11, 0.2) !important;
}

.btn-share-test:active {
  transform: translateY(0) scale(0.97) !important;
}

.btn-share-test .share-icon {
  font-size: 13px !important;
  line-height: 1 !important;
  display: inline-block !important;
}

.btn-share-test .share-label {
  font-size: 11.5px !important;
  font-weight: 700 !important;
  letter-spacing: 0.02em !important;
}

/* Light theme overrides */
[data-theme="light"] .btn-share-test,
.light-mode .btn-share-test {
  background: #F1F5F9 !important;
  color: #334155 !important;
  border-color: #CBD5E1 !important;
}

[data-theme="light"] .btn-share-test:hover,
.light-mode .btn-share-test:hover {
  background: #E2E8F0 !important;
  color: #D97706 !important;
  border-color: #D97706 !important;
}

/* Responsive adjustment for mobile: compact icon-first button */
@media (max-width: 576px) {
  .btn-share-test {
    padding: 6px 9px !important;
    height: 30px !important;
  }
  .btn-share-test .share-label {
    display: none !important;
  }
}

/* Dual-Mode Share Modal Segmented Tabs */
.share-mode-toggle {
  display: flex;
  background: var(--bg-page, #0f172a);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 14px;
  gap: 3px;
}

.share-mode-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--text-muted, #94a3b8);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.share-mode-btn.active {
  background: var(--primary, #f59e0b);
  color: #0f172a;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

/* ============================================================
   ⚡ CALCULATION BOOSTER — 1v1 LIVE BATTLE & CHALLENGE STYLING
   ============================================================ */

.calc-mode-switch button {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.calc-mode-switch button:active {
  transform: scale(0.97);
}

.calc-join-screen .calc-theme-card {
  animation: fadeInDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.calc-waiting-room {
  animation: fadeIn 0.25s ease-out;
}

#card-player1, #card-player2 {
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

#sync-countdown-overlay {
  animation: fadeIn 0.2s ease-out;
}

#sync-count-number {
  animation: popScale 0.85s infinite cubic-bezier(0.16, 1, 0.3, 1);
  text-shadow: 0 0 35px rgba(245, 158, 11, 0.6);
}

@keyframes popScale {
  0% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 0.9; }
}

/* Pythagorean Triplets & Shortcuts */
.calc-triplets-module, .calc-shortcuts-module {
  animation: fadeIn 0.25s ease;
}

.calc-numpad-key:active {
  transform: scale(0.95);
}

@media (max-width: 480px) {
  .battle-lobby-wrap {
    padding: 4px 6px 30px;
  }
  .calc-drill-hud {
    padding: 8px 10px;
  }
  .calc-drill-arena-card {
    padding: 18px 12px;
  }
  .calc-math-text {
    font-size: clamp(22px, 7vw, 32px);
  }
}

/* ============================================================
   ULTRA-SMOOTH PERFORMANCE & VIEW TRANSITIONS ENGINE
   ============================================================ */

/* ── 1. Native View Transitions API (Modern Chromium, Safari 18+, Firefox 144+) ── */
::view-transition-old(root) {
  animation: 180ms cubic-bezier(0.2, 0, 0, 1) both cbtViewFadeOut;
}
::view-transition-new(root) {
  animation: 220ms cubic-bezier(0.16, 1, 0.3, 1) both cbtViewFadeIn;
}

@keyframes cbtViewFadeOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-6px) scale(0.995);
  }
}

@keyframes cbtViewFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.995);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── 2. In-Place Portal & Admin Content Enter Animation ───────── */
@keyframes pageContentEnter {
  0% {
    opacity: 0;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-content-enter {
  animation: pageContentEnter 0.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── 3. Calculation Booster Problem Pop Animation ─────────────── */
@keyframes calcProblemPop {
  0% {
    opacity: 0.3;
    transform: scale(0.96) translateY(4px);
  }
  60% {
    transform: scale(1.02);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.calc-problem-pop {
  animation: calcProblemPop 0.16s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── 4. GPU Hardware Acceleration & Touch Zero-Lag ────────────── */
.calc-numpad-key,
.calc-mode-box,
.cbt-option-card,
.sidebar-item,
.modal-overlay,
.cbt-modal-dialog,
.toast {
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.calc-numpad-key {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  transition: transform 0.08s ease, background 0.12s ease;
}

.calc-numpad-key:active {
  transform: scale(0.94) translateZ(0);
}

/* ── 5. Accessibility Overrides (Prefers Reduced Motion) ──────── */
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
  .page-content-enter,
  .calc-problem-pop {
    animation: none !important;
  }
}

/* ============================================================
   CBT PLATFORM — UNIFIED MODERN QUESTION & SOLUTION SYSTEM (v4.0)
   Mobile-First, Professional, Fast & Fully Responsive
   ============================================================ */

/* ── 1. Compact Modern Header ──────────────────────────────── */
.cbt-modern-header {
  min-height: 48px;
  height: auto;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 6px var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
  z-index: 40;
}
.cbt-header-brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}
.cbt-modern-title {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}
@media (min-width: 768px) {
  .cbt-modern-title {
    font-size: 14.5px;
    max-width: 480px;
  }
}
.cbt-modern-category {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* ── 2. Segmented Language Selector ────────────────────────── */
.cbt-segmented-lang {
  display: inline-flex;
  align-items: center;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px;
  gap: 2px;
  flex-shrink: 0;
}
.cbt-segmented-lang .cbt-lang-opt {
  padding: 3px 9px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 16px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.2;
}
.cbt-segmented-lang .cbt-lang-opt.active {
  background: var(--primary);
  color: var(--text-on-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* ── 3. Compact Exit Button ────────────────────────────────── */
.cbt-compact-exit-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 800;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.cbt-compact-exit-btn:hover {
  background: #EF4444;
  color: #FFFFFF;
}

/* ── 4. Mobile Navigator Collapsible Trigger ───────────────── */
.cbt-mobile-nav-toggle {
  display: none;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 800;
  border-radius: 6px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--text-main);
  cursor: pointer;
  white-space: nowrap;
}
.cbt-mobile-nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}
@media (max-width: 1024px) {
  .cbt-mobile-nav-toggle {
    display: inline-flex !important;
  }
}

/* ── 5. Question Header & Meta Bar ─────────────────────────── */
.cbt-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 0 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.cbt-meta-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.cbt-meta-pill {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.cbt-meta-pill.q-num {
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  border-color: rgba(245, 158, 11, 0.25);
}
.cbt-meta-pill.timer {
  color: #0891B2;
  background: rgba(8, 145, 178, 0.1);
  border-color: rgba(8, 145, 178, 0.25);
}
.cbt-meta-pill.marks {
  color: #10B981;
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
}
.cbt-meta-pill.status-correct {
  color: #10B981;
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
}
.cbt-meta-pill.status-wrong {
  color: #EF4444;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.25);
}
.cbt-meta-pill.status-skipped {
  color: #F59E0B;
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.25);
}

/* ── 6. Utility Action Buttons (Save & Report) ─────────────── */
.cbt-util-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.cbt-util-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.cbt-util-btn:hover {
  background: var(--surface-subtle);
  color: var(--text-main);
  border-color: var(--primary);
}
.cbt-util-btn.saved {
  color: #00BCD4;
  border-color: rgba(0, 188, 212, 0.35);
  background: rgba(0, 188, 212, 0.08);
}
.cbt-util-btn.report {
  color: #EF4444;
}
.cbt-util-btn.report:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #EF4444;
}

/* ── 7. Question Body Typography ───────────────────────────── */
.cbt-question-statement {
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--text-main);
  margin-bottom: 20px;
  word-break: break-word;
  user-select: text;
}
@media (min-width: 1024px) {
  .cbt-question-statement {
    font-size: clamp(18px, 1.6vw, 21px);
    line-height: 1.7;
    max-width: 900px;
  }
}

/* ── 8. Compact Post-Answer Result & Speed Analytics Strip ─── */
.cbt-result-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  margin: 16px 0;
}
.cbt-result-strip.is-correct {
  border-left: 4px solid #10B981;
}
.cbt-result-strip.is-wrong {
  border-left: 4px solid #EF4444;
}
.cbt-result-strip.is-skipped {
  border-left: 4px solid #F59E0B;
}
.cbt-result-stat-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
}
.cbt-speed-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 14px;
}
.cbt-speed-badge.faster {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
}
.cbt-speed-badge.slower {
  background: rgba(239, 68, 68, 0.15);
  color: #EF4444;
}
.cbt-speed-badge.average {
  background: rgba(8, 145, 178, 0.15);
  color: #0891B2;
}

/* ── 9. Expandable Solution & Explanation Panel ────────────── */
.cbt-solution-panel {
  margin-top: 18px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}
.cbt-solution-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--surface-subtle);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid transparent;
  transition: all 0.15s ease;
}
.cbt-solution-header-bar.is-expanded {
  border-bottom-color: var(--border);
}
.cbt-solution-title {
  font-size: 13px;
  font-weight: 800;
  color: #0891B2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cbt-solution-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--primary);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 2px 6px;
}
.cbt-solution-body {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
}

/* ── 10. Key Points & PYQ Badges ───────────────────────────── */
.cbt-keypoints-box {
  margin: 12px 0 8px;
  padding: 10px 14px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-left: 3.5px solid #F59E0B;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.6;
}
.cbt-keypoints-title {
  font-size: 12px;
  font-weight: 800;
  color: #F59E0B;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.cbt-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  margin-top: 8px;
}

/* ── 11. Sticky Bottom Dock Navigation ─────────────────────── */
.cbt-modern-bottom-bar {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  min-height: 52px;
  height: auto;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  z-index: 50;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}
.cbt-dock-left,
.cbt-dock-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cbt-dock-right .btn-next-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: var(--text-on-primary);
  border: none;
  font-weight: 800;
  padding: 7px 18px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.cbt-dock-right .btn-next-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}
.cbt-dock-right .btn-next-primary:active {
  transform: translateY(0);
}

/* ── 12. Compact Question Navigator Grid ──────────────────── */
.cbt-palette-grid-compact {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 6px 0;
}
.cbt-nav-pill-btn {
  position: relative;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.cbt-nav-pill-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.cbt-nav-pill-btn.is-active {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px var(--primary-glow) !important;
  font-weight: 900;
}
.cbt-nav-pill-btn.is-correct {
  border-color: #10B981 !important;
  color: #10B981 !important;
  background: rgba(16, 185, 129, 0.08) !important;
}
.cbt-nav-pill-btn.is-wrong {
  border-color: #EF4444 !important;
  color: #EF4444 !important;
  background: rgba(239, 68, 68, 0.08) !important;
}
.cbt-nav-pill-btn.is-skipped {
  border-color: #F59E0B !important;
  color: #F59E0B !important;
  background: rgba(245, 158, 11, 0.08) !important;
}
.cbt-nav-pill-btn.is-unattempted {
  border-color: var(--border) !important;
  color: var(--text-muted) !important;
  background: var(--surface) !important;
}
.cbt-nav-pill-btn.is-saved::after {
  content: '';
  position: absolute;
  top: 3px;
  right: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00BCD4;
}

/* ── 13. Compact Scorecard Subject Cards & Leaderboard ─────── */
.compact-subject-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.compact-subject-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  font-weight: 800;
  color: var(--text-main);
}
.compact-subject-meter {
  height: 6px;
  border-radius: 3px;
  background: var(--surface-subtle);
  overflow: hidden;
}
.compact-subject-meter-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}
.compact-subject-stats-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ============================================================
   LIVE TEST HUB — RESPONSIVE PERFECTION & MOBILE OPTIMIZATION
   ============================================================ */
@media (max-width: 992px) {
  .live-part-nav-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 768px) {
  .live-suite-wrapper {
    padding: 0 4px !important;
  }
  .live-hero-arena {
    padding: 20px 16px !important;
    border-radius: 16px !important;
    margin-bottom: 16px !important;
  }
  .live-hero-arena h1 {
    font-size: 21px !important;
    line-height: 1.3 !important;
  }
  .live-hero-arena p {
    font-size: 13px !important;
  }
  .live-kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    margin-bottom: 18px !important;
  }
  .live-kpi-card {
    padding: 12px 14px !important;
    border-radius: 14px !important;
  }
  .live-kpi-card .kpi-value {
    font-size: 15px !important;
  }
  .live-part-nav-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    margin-bottom: 18px !important;
  }
  .live-part-tab-btn {
    padding: 12px 14px !important;
  }
  .live-section-box {
    padding: 18px 14px !important;
    border-radius: 16px !important;
    margin-bottom: 18px !important;
  }
  .live-card-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .live-standard-card {
    padding: 18px !important;
    border-radius: 14px !important;
  }
  .live-mock-exam-card {
    padding: 18px !important;
    border-radius: 14px !important;
  }
  .live-standard-card h4,
  .live-mock-exam-card h4 {
    min-height: auto !important;
    max-height: none !important;
  }
  .live-standard-card p {
    min-height: auto !important;
    max-height: none !important;
  }
}
/* ============================================================
   SUCCESSWALA CBT — RESPONSIVE UI OVERHAUL v4.0
   Mobile-first design system. Breakpoints: 360/480/640/768/1024/1280/1440/1920px
   ============================================================ */

/* ══════════════════════════════════════════════════════════════
   A. PORTAL USER AVATAR BUTTON — CSS-controlled visibility
   ══════════════════════════════════════════════════════════════ */
.portal-user-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-on-primary);
  font-weight: 800;
  font-size: 12px;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  overflow: hidden;
  transition: box-shadow 0.15s ease;
}
.portal-user-btn:hover {
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Hamburger button — hidden on desktop, shown on mobile via @media below */
.mobile-portal-toggle {
  display: none;
  padding: 6px;
  flex-shrink: 0;
}

/* Mode badge pill — text abbreviated on very small screens */
.mode-badge-text { display: inline; }

/* Plan badge pill — compact */
.plan-badge-pill { white-space: nowrap; }

/* ══════════════════════════════════════════════════════════════
   B. TRIAL BANNER — Responsive CSS-based (replaces inline styles)
   ══════════════════════════════════════════════════════════════ */
.trial-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 10px var(--page-pad);
  font-size: 13px;
  font-weight: 500;
  color: #FFFFFF;
  box-sizing: border-box;
  width: 100%;
}
.trial-banner-active {
  background: linear-gradient(90deg, #1E3A8A 0%, #2563EB 50%, #1D4ED8 100%);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.trial-banner-expired {
  background: linear-gradient(90deg, #7F1D1D 0%, #991B1B 50%, #B91C1C 100%);
  box-shadow: 0 2px 8px rgba(185, 28, 28, 0.25);
}
.trial-banner-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
}
.trial-banner-text {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  min-width: 0;
}
.trial-banner-label {
  font-weight: 800;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.trial-banner-desc {
  opacity: 0.9;
  font-size: 12px;
}
.trial-banner-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.trial-ticker-wrap {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 800;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.trial-ticker-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 6px #4ADE80;
  flex-shrink: 0;
}
.trial-upgrade-btn {
  background: #F59E0B !important;
  color: #0F172A !important;
  font-weight: 800 !important;
  border: none !important;
  white-space: nowrap;
  text-decoration: none !important;
}
.trial-upgrade-btn-expired {
  background: #FCD34D !important;
  color: #78350F !important;
}

/* ══════════════════════════════════════════════════════════════
   C. MOBILE BOTTOM NAVIGATION BAR
   ══════════════════════════════════════════════════════════════ */
.portal-mobile-bottom-nav {
  display: none; /* Hidden by default, shown on mobile */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(56px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 200;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.12);
  box-sizing: border-box;
}
[data-theme="light"] .portal-mobile-bottom-nav {
  box-shadow: 0 -2px 12px rgba(15, 23, 42, 0.08);
}

.mob-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 3px;
  padding: 8px 4px 6px;
  color: var(--text-muted);
  text-decoration: none !important;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-family);
  transition: color 0.15s ease;
  min-width: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  border-radius: 0;
  height: 56px;
  position: relative;
}
.mob-nav-item:hover,
.mob-nav-item:focus {
  color: var(--primary);
  outline: none;
}
.mob-nav-item.mob-nav-active {
  color: var(--primary);
}
.mob-nav-item.mob-nav-active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--primary);
  border-radius: 0 0 2px 2px;
}
.mob-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}
.mob-nav-icon svg {
  width: 20px;
  height: 20px;
}
.mob-nav-label {
  font-size: 10px;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* When mobile bottom nav is visible, add padding to portal-main so content isn't hidden */
@media (max-width: 1023px) {
  .portal-mobile-bottom-nav {
    display: flex;
    align-items: stretch;
  }
  .portal-main {
    padding-bottom: calc(var(--page-pad) + 64px) !important; /* Extra space for bottom nav */
  }
  body.portal-sidebar-open {
    overflow: hidden !important;
    touch-action: none !important;
  }
  .portal-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 9998;
    transition: opacity 0.25s ease;
    opacity: 0;
  }
  .portal-sidebar-backdrop.active {
    display: block !important;
    opacity: 1 !important;
  }
  /* Show hamburger and avatar on mobile */
  .mobile-portal-toggle {
    display: inline-flex !important;
  }
  .portal-user-btn {
    display: inline-flex !important;
  }
  /* Sidebar slides in from left */
  .portal-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(290px, 88vw);
    z-index: 9999;
    box-shadow: 4px 0 40px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .portal-sidebar.mobile-open {
    display: flex !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   D. TOPBAR — Mobile optimizations
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .portal-topbar {
    padding: 0 12px !important;
    height: 54px;
  }
  .portal-topbar .topbar-title {
    font-size: 14px;
  }
  .portal-topbar .topbar-actions {
    gap: 6px;
  }
  /* Hide mode badge text on very small screens, show icon only */
  .mode-badge-pill .mode-badge-text {
    display: none;
  }
  /* Hide plan badge on small screens to save space */
  .plan-badge-pill {
    display: none !important;
  }
  /* Theme toggle - keep visible */
  .portal-topbar .btn-ghost.btn-sm {
    padding: 6px;
  }
}
@media (max-width: 480px) {
  .portal-topbar {
    padding: 0 10px !important;
    height: 50px;
  }
  /* Hide mode badge entirely on very small screens */
  .mode-badge-pill {
    display: none !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   E. PORTAL MAIN CONTENT — Responsive padding
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1023px) {
  .portal-main {
    padding: 20px var(--page-pad);
    max-width: 100% !important;
  }
}
@media (max-width: 768px) {
  .portal-main {
    padding: 16px var(--page-pad);
  }
}
@media (max-width: 480px) {
  .portal-main {
    padding: 12px 12px;
  }
}
@media (max-width: 360px) {
  .portal-main {
    padding: 10px 10px;
  }
}

/* ══════════════════════════════════════════════════════════════
   F. TRIAL BANNER — Mobile responsive
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .trial-banner {
    padding: 8px 12px;
    gap: 6px 8px;
  }
  .trial-banner-desc {
    display: none; /* hide desc on small screens, keep label */
  }
  .trial-ticker-wrap {
    font-size: 12px;
    padding: 3px 8px;
    letter-spacing: 0.5px;
  }
}
@media (max-width: 480px) {
  .trial-ticker-wrap {
    display: none; /* hide timer on tiny screens */
  }
  .trial-banner-label {
    font-size: 12px;
  }
}

/* ══════════════════════════════════════════════════════════════
   G. STAT CARDS & GRIDS — Responsive
   ══════════════════════════════════════════════════════════════ */
.stats-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
}
.stats-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}
.stats-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-md);
}
@media (max-width: 1280px) {
  .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid-3 { grid-template-columns: 1fr; }
  .stats-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .stats-grid-4 { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════
   H. HORIZONTAL SCROLL PREVENTION (Priority 1)
   ══════════════════════════════════════════════════════════════ */
.layout-portal,
.portal-content-wrap,
.portal-main,
.portal-topbar {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}
/* Remove overflow-x from scrollable rows */
.category-pills-bar,
.horizontal-scroll-row {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
}
.category-pills-bar::-webkit-scrollbar,
.horizontal-scroll-row::-webkit-scrollbar {
  display: none;
}

/* ══════════════════════════════════════════════════════════════
   I. CARD COMPONENTS — Mobile touch-friendly
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .card {
    border-radius: var(--radius-sm);
    padding: 14px;
  }
  .card-header {
    flex-wrap: wrap;
    gap: 8px;
  }
  .stat-card {
    padding: 14px;
  }
  .stat-card .stat-value {
    font-size: var(--text-2xl);
  }
}
@media (max-width: 480px) {
  .card {
    padding: 12px;
  }
  .stat-card {
    padding: 12px;
  }
}

/* Test/Exam Cards — full-width on mobile */
@media (max-width: 640px) {
  .test-card-premium {
    padding: 16px;
  }
  .test-card-premium:hover {
    transform: none; /* Disable hover lift on touch */
  }
}

/* ══════════════════════════════════════════════════════════════
   J. BUTTON SYSTEM — Mobile touch targets (min 44px)
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .btn {
    min-height: var(--touch-target-min);
  }
  .btn-sm {
    min-height: 36px;
  }
  /* Prevent button text wrapping on small screens */
  .btn:not(.btn-wrap) {
    white-space: nowrap;
  }
}

/* ══════════════════════════════════════════════════════════════
   K. TYPOGRAPHY — Mobile readability (never below 12px secondary)
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Enforce minimum readable sizes */
  .text-xs, small, .badge, .form-hint, .form-error {
    font-size: max(12px, var(--text-xs)) !important;
  }
  /* Page headings scale down */
  h1, .h1 { font-size: clamp(20px, 5vw, 28px); }
  h2, .h2 { font-size: clamp(17px, 4vw, 22px); }
  h3, .h3 { font-size: clamp(15px, 3.5vw, 18px); }
  /* Topbar title */
  .topbar-title {
    font-size: 14px !important;
  }
  /* Stat card value */
  .stat-card .stat-value {
    font-size: 22px;
  }
}
@media (max-width: 480px) {
  h1, .h1 { font-size: clamp(18px, 5vw, 22px); }
  h2, .h2 { font-size: clamp(16px, 4vw, 19px); }
  .stat-card .stat-value {
    font-size: 20px;
  }
}

/* ══════════════════════════════════════════════════════════════
   L. BADGE SYSTEM — Mobile
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .badge {
    font-size: 11px;
    padding: 2px 7px;
  }
}

/* Badge color variants */
.badge-paid {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-weight: 800;
}
.badge-free {
  background: var(--surface-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border);
  font-weight: 700;
}
[data-theme="light"] .badge-paid {
  background: #D1FAE5;
  color: #059669;
}
[data-theme="light"] .badge-free {
  background: var(--surface-subtle);
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════
   M. MODAL — Mobile full-screen friendly
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }
  .modal {
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 92dvh;
    overflow-y: auto;
  }
  .modal-body {
    max-height: calc(92dvh - 140px);
  }
}

/* ══════════════════════════════════════════════════════════════
   N. TOAST — Mobile positioning (above bottom nav)
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1023px) {
  #toast-container {
    bottom: calc(66px + env(safe-area-inset-bottom, 0px));
    right: 12px;
    left: 12px;
  }
  .toast {
    min-width: unset;
    width: 100%;
    max-width: 100%;
  }
}
@media (min-width: 1024px) {
  #toast-container {
    bottom: var(--sp-6);
    right: var(--sp-6);
    left: auto;
    width: auto;
  }
  .toast {
    width: auto;
    min-width: 280px;
    max-width: 420px;
  }
}

/* ══════════════════════════════════════════════════════════════
   O. DASHBOARD — Responsive layout
   ══════════════════════════════════════════════════════════════ */
.dashboard-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
}
@media (max-width: 1280px) {
  .dashboard-kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .dashboard-kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 380px) {
  .dashboard-kpi-grid { grid-template-columns: 1fr; }
}

.dashboard-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-lg);
}
@media (max-width: 1024px) {
  .dashboard-two-col { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════
   P. TEST SERIES GRID — Responsive
   ══════════════════════════════════════════════════════════════ */
.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--gap-md);
}
@media (max-width: 768px) {
  .tests-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}
@media (max-width: 480px) {
  .tests-grid {
    gap: 10px;
  }
}

/* ══════════════════════════════════════════════════════════════
   Q. CALCULATION BOOSTER — Mobile layout
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .calc-booster-grid {
    grid-template-columns: 1fr !important;
  }
  .calc-topic-card {
    padding: 14px !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   R. CBT EXAM INTERFACE — Mobile fixes
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .cbt-footer {
    padding: 0 10px;
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    gap: 6px;
    padding: 8px 10px;
  }
  .cbt-footer-left,
  .cbt-footer-right {
    gap: 6px;
  }
  .cbt-footer .btn {
    height: 36px;
    padding: 0 10px;
    font-size: 12px;
    min-height: 36px;
  }
  .cbt-modern-bottom-bar {
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  }
  .cbt-dock-left,
  .cbt-dock-right {
    gap: 6px;
  }
  .cbt-dock-right .btn-next-primary {
    padding: 7px 14px;
    font-size: 13px;
  }
}
@media (max-width: 480px) {
  .cbt-question-statement {
    font-size: 16px !important;
    line-height: 1.6;
  }
  .cbt-footer .btn {
    visibility: visible !important;
    opacity: 1 !important;
  }
  .cbt-footer .btn span {
    visibility: visible !important;
    opacity: 1 !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   CBT MOBILE BOTTOM ACTION BUTTONS — Visibility & Contrast Fix
   ══════════════════════════════════════════════════════════════ */
.show-on-xs-inline {
  display: none !important;
}
.hide-on-xs {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

@media (max-width: 640px) {
  .hide-on-xs {
    display: none !important;
  }
  .show-on-xs-inline {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 11.5px !important;
    font-weight: 800 !important;
    line-height: 1.2 !important;
    visibility: visible !important;
    opacity: 1 !important;
    color: inherit !important;
  }
  .cbt-footer .btn {
    visibility: visible !important;
    opacity: 1 !important;
  }
  .cbt-footer .btn span {
    visibility: visible !important;
    opacity: 1 !important;
  }
}

/* High-Contrast Theme Colors for Mobile CBT Buttons */
.cbt-btn-review {
  color: #7C3AED !important;
  border-color: #8B5CF6 !important;
  background: rgba(124, 58, 237, 0.08) !important;
}
[data-theme="dark"] .cbt-btn-review,
:root:not([data-theme="light"]) .cbt-btn-review {
  color: #DDD6FE !important;
  border-color: #A78BFA !important;
  background: rgba(139, 92, 246, 0.22) !important;
}

[data-theme="dark"] .cbt-footer .btn-secondary,
:root:not([data-theme="light"]) .cbt-footer .btn-secondary {
  background: #1E293B !important;
  color: #F8FAFC !important;
  border: 1px solid #475569 !important;
}

[data-theme="dark"] .cbt-footer .btn-primary,
:root:not([data-theme="light"]) .cbt-footer .btn-primary {
  background: #2563EB !important;
  color: #FFFFFF !important;
  border-color: #1D4ED8 !important;
}

.cbt-footer .btn:disabled {
  opacity: 0.45 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
}
[data-theme="dark"] .cbt-footer .btn:disabled,
:root:not([data-theme="light"]) .cbt-footer .btn:disabled {
  color: #94A3B8 !important;
  background: rgba(255, 255, 255, 0.06) !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
}

/* ══════════════════════════════════════════════════════════════
   S. RESULT PAGE — Mobile responsive
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .result-scorecard-grid {
    grid-template-columns: 1fr !important;
  }
  .result-stat-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .solution-two-col {
    grid-template-columns: 1fr !important;
  }
  .cbt-result-strip {
    flex-direction: column;
    align-items: flex-start;
  }
  .cbt-result-stat-group {
    gap: 8px;
  }
}
@media (max-width: 480px) {
  .result-stat-grid {
    grid-template-columns: 1fr !important;
  }
  .compact-subject-header {
    font-size: 13px;
  }
}

/* ══════════════════════════════════════════════════════════════
   T. LEADERBOARD — Mobile
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .leaderboard-table-wrap table {
    min-width: 500px;
  }
}

/* ══════════════════════════════════════════════════════════════
   U. PROFILE & FORMS — Mobile
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .profile-header-wrap {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  .profile-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   V. SUBSCRIPTION / PRICING TABLE — Mobile
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr !important;
  }
  .apple-table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   W. ADMIN PANEL — Mobile
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1023px) {
  .layout-admin {
    padding-left: 0 !important;
  }
}
@media (max-width: 768px) {
  .admin-topbar {
    padding: 0 12px !important;
  }
  .admin-main {
    padding: 16px 12px !important;
  }
}
@media (max-width: 480px) {
  .admin-main {
    padding: 12px 10px !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   X. TABLES — Mobile scrollable
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  td, th {
    padding: 10px 12px;
    font-size: var(--text-sm);
  }
  .table-wrap, .table-responsive {
    border-radius: var(--radius-sm);
  }
}

/* ══════════════════════════════════════════════════════════════
   Y. PAGE CONTENT ANIMATION
   ══════════════════════════════════════════════════════════════ */
.page-content-enter {
  animation: pageContentEnter 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes pageContentEnter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-content-enter {
    animation: none;
  }
}

/* ══════════════════════════════════════════════════════════════
   Z. LANDSCAPE MOBILE FIXES
   ══════════════════════════════════════════════════════════════ */
@media (max-height: 500px) and (orientation: landscape) {
  .portal-mobile-bottom-nav {
    height: 48px;
  }
  .mob-nav-item {
    height: 48px;
    padding: 4px 4px;
  }
  .mob-nav-label {
    display: none; /* save vertical space in landscape */
  }
  .portal-topbar {
    height: 48px !important;
  }
  .portal-main {
    padding-bottom: calc(12px + 48px + env(safe-area-inset-bottom, 0px)) !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   AA. SIDEBAR POLISH — Mobile open state
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1023px) {
  .portal-sidebar {
    width: min(290px, 88vw) !important;
    /* Add close button hint styling for mobile */
  }
  /* Sidebar close button (X) at top */
  .portal-sidebar .sidebar-brand {
    position: relative;
  }
  .sidebar-mobile-close {
    display: flex;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--surface-subtle);
    border: 1px solid var(--border);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 16px;
    font-weight: 700;
    transition: background 0.15s ease;
  }
  .sidebar-mobile-close:hover {
    background: var(--error-light);
    color: var(--error);
  }
}
@media (min-width: 1024px) {
  .sidebar-mobile-close {
    display: none !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   AB. PUBLIC PAGES — Mobile responsive
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .hero-premium {
    padding: 44px 0 36px;
  }
  .hero-grid {
    gap: 24px;
  }
  .hero-preview-card {
    display: none; /* Hide floating mock on mobile */
  }
  .pub-nav-inner {
    padding: 0 14px;
  }
}

/* ══════════════════════════════════════════════════════════════
   AC. EMPTY STATES — Responsive
   ══════════════════════════════════════════════════════════════ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(32px, 8vw, 64px) var(--page-pad);
  gap: 12px;
}
.empty-state-icon {
  font-size: clamp(40px, 8vw, 64px);
  line-height: 1;
  margin-bottom: 4px;
}
.empty-state-title {
  font-size: clamp(16px, 3vw, 20px);
  font-weight: 800;
  color: var(--text-main);
}
.empty-state-desc {
  font-size: clamp(13px, 2vw, 15px);
  color: var(--text-muted);
  max-width: 420px;
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════
   AD. LARGE SCREENS (1440px+) — Maximum width containment
   ══════════════════════════════════════════════════════════════ */
@media (min-width: 1440px) {
  .portal-main {
    padding: 40px 48px;
    max-width: 1440px;
  }
}
@media (min-width: 1920px) {
  .portal-main {
    padding: 40px 64px;
    max-width: 1600px;
  }
  .admin-main {
    max-width: 1600px;
  }
}

/* ══════════════════════════════════════════════════════════════
   AE. TOUCH DEVICE OPTIMIZATIONS
   ══════════════════════════════════════════════════════════════ */
@media (hover: none) and (pointer: coarse) {
  /* Disable hover transforms on touch devices */
  .stat-card:hover,
  .test-card-premium:hover {
    transform: none !important;
  }
  /* Increase touch targets */
  .sidebar-item {
    padding: 12px 14px !important;
    min-height: 44px;
  }
  .btn {
    min-height: var(--touch-target-min);
  }
}

/* ══════════════════════════════════════════════════════════════
   AF. ACCESSIBILITY — Focus visibility
   ══════════════════════════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:focus-visible,
.sidebar-item:focus-visible,
.mob-nav-item:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ══════════════════════════════════════════════════════════════
   AG. PRINT STYLES — Hide mobile chrome
   ══════════════════════════════════════════════════════════════ */
@media print {
  .portal-mobile-bottom-nav,
  .portal-sidebar,
  .portal-topbar,
  .trial-banner,
  #toast-container {
    display: none !important;
  }
  .portal-main {
    padding: 0 !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   AH. RICH CBT SOLUTION CONTENT ENGINE & BLOCK EDITOR
   ══════════════════════════════════════════════════════════════ */

/* Solution Panel & Correct Answer Banner */
.cbt-sol-correct-answer-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13.5px;
}
.cbt-sol-correct-label {
  font-weight: 700;
  color: var(--text-main);
}
.cbt-sol-correct-text {
  color: #10B981;
  font-weight: 800;
}

/* Rich Solution Content Wrapper */
.cbt-solution-rich-content {
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.75;
  color: var(--text-main);
  box-sizing: border-box;
}

/* Paragraph Blocks */
.cbt-sol-p {
  margin: 0 0 14px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-main);
  word-break: break-word;
}
.cbt-sol-p:last-child {
  margin-bottom: 0;
}

/* Heading Blocks */
.cbt-sol-h2 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-main);
  margin: 20px 0 10px 0;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--border);
  letter-spacing: -0.2px;
}
.cbt-sol-h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin: 16px 0 8px 0;
}

/* Lists */
.cbt-sol-list {
  margin: 8px 0 16px 24px;
  padding: 0;
  line-height: 1.75;
}
.cbt-sol-li {
  margin-bottom: 6px;
  font-size: 13.5px;
  color: var(--text-main);
}
.cbt-sol-checklist {
  list-style: none;
  margin: 8px 0 16px 0;
  padding: 0;
}
.cbt-sol-checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 13.5px;
  color: var(--text-main);
}
.cbt-checklist-box {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.15s;
}
.cbt-sol-checklist-item.is-checked .cbt-checklist-box {
  background: #10B981;
  border-color: #10B981;
  color: #FFF;
}
.cbt-sol-checklist-item.is-checked .cbt-checklist-text {
  text-decoration: line-through;
  opacity: 0.75;
}

/* Inline Formatting & Highlight */
.cbt-highlight {
  background: rgba(245, 158, 11, 0.22);
  color: inherit;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}
.cbt-inline-math {
  display: inline-block;
  padding: 0 2px;
}
.cbt-inline-math-display {
  display: block;
  text-align: center;
  margin: 8px 0;
  overflow-x: auto;
}

/* Mathematical Formula Block */
.cbt-formula-block {
  margin: 16px 0;
  padding: 16px 20px;
  border-radius: 10px;
  background: var(--surface-subtle, rgba(0, 0, 0, 0.05));
  border: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  text-align: center;
  color: var(--text-main);
}
.cbt-formula-content {
  display: inline-block;
  min-width: 0;
  font-size: 16px;
  color: var(--text-main);
}
.cbt-formula-caption {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 8px;
}

/* Responsive Table */
.cbt-table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
}
.cbt-sol-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
}
.cbt-sol-table th.cbt-th {
  background: var(--surface-subtle);
  padding: 10px 14px;
  font-weight: 800;
  border-bottom: 2px solid var(--border);
  border-right: 1px solid var(--border);
  color: var(--text-main);
  white-space: nowrap;
}
.cbt-sol-table td.cbt-td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  color: var(--text-main);
}
.cbt-sol-table tr:last-child td {
  border-bottom: none;
}
.cbt-sol-table th:last-child,
.cbt-sol-table td:last-child {
  border-right: none;
}
.cbt-sol-table tr:hover td {
  background: rgba(245, 158, 11, 0.04);
}

/* Dual Image System & Strict Transparency */
.cbt-sol-img-container {
  margin: 18px 0;
  max-width: 100%;
}
.cbt-sol-img-container.align-center {
  text-align: center;
}
.cbt-sol-img-container.align-left {
  text-align: left;
}
.cbt-sol-img-container.align-right {
  text-align: right;
}
.cbt-sol-img-wrapper {
  display: inline-block;
  max-width: 100%;
}
.cbt-sol-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}
.cbt-sol-img.normal-img {
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}
/* Strict Transparent PNG: no background, no artificial box, no dark mode inversion */
.cbt-sol-img.transparent-png {
  background: transparent !important;
  background-color: transparent !important;
  filter: none !important;
  -webkit-filter: none !important;
  border: none !important;
  box-shadow: none !important;
}
.cbt-sol-img-caption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  text-align: center;
}

/* Divider */
.cbt-sol-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 22px 0;
}

/* Educational Callout Blocks */
.cbt-callout {
  border-radius: 10px;
  padding: 14px 18px;
  margin: 16px 0;
  border-left: 5px solid;
  transition: background 0.15s, border-color 0.15s;
}
.cbt-callout-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 13.5px;
  margin-bottom: 6px;
}
.cbt-callout-body {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-main);
  word-break: break-word;
}

/* Callout Themes (Light Default) */
.cbt-callout-keypoint {
  border-color: #10B981;
  background: rgba(16, 185, 129, 0.08);
}
.cbt-callout-keypoint .cbt-callout-header {
  color: #047857;
}

.cbt-callout-trick {
  border-color: #F59E0B;
  background: rgba(245, 158, 11, 0.08);
}
.cbt-callout-trick .cbt-callout-header {
  color: #B45309;
}

.cbt-callout-note {
  border-color: #6366F1;
  background: rgba(99, 102, 241, 0.08);
}
.cbt-callout-note .cbt-callout-header {
  color: #4338CA;
}

.cbt-callout-example {
  border-color: #06B6D4;
  background: rgba(6, 182, 212, 0.08);
}
.cbt-callout-example .cbt-callout-header {
  color: #0E7490;
}

.cbt-callout-warning {
  border-color: #EF4444;
  background: rgba(239, 68, 68, 0.08);
}
.cbt-callout-warning .cbt-callout-header {
  color: #B91C1C;
}

.cbt-callout-info {
  border-color: #64748B;
  background: rgba(100, 116, 139, 0.08);
}
.cbt-callout-info .cbt-callout-header {
  color: #334155;
}

/* Dark Mode Callout Overrides */
[data-theme="dark"] .cbt-callout-keypoint,
.is-preview[data-theme="dark"] .cbt-callout-keypoint {
  background: rgba(16, 185, 129, 0.12);
}
[data-theme="dark"] .cbt-callout-keypoint .cbt-callout-header,
.is-preview[data-theme="dark"] .cbt-callout-keypoint .cbt-callout-header {
  color: #34D399;
}

[data-theme="dark"] .cbt-callout-trick,
.is-preview[data-theme="dark"] .cbt-callout-trick {
  background: rgba(245, 158, 11, 0.12);
}
[data-theme="dark"] .cbt-callout-trick .cbt-callout-header,
.is-preview[data-theme="dark"] .cbt-callout-trick .cbt-callout-header {
  color: #FBBF24;
}

[data-theme="dark"] .cbt-callout-note,
.is-preview[data-theme="dark"] .cbt-callout-note {
  background: rgba(99, 102, 241, 0.12);
}
[data-theme="dark"] .cbt-callout-note .cbt-callout-header,
.is-preview[data-theme="dark"] .cbt-callout-note .cbt-callout-header {
  color: #A5B4FC;
}

[data-theme="dark"] .cbt-callout-example,
.is-preview[data-theme="dark"] .cbt-callout-example {
  background: rgba(6, 182, 212, 0.12);
}
[data-theme="dark"] .cbt-callout-example .cbt-callout-header,
.is-preview[data-theme="dark"] .cbt-callout-example .cbt-callout-header {
  color: #67E8F9;
}

[data-theme="dark"] .cbt-callout-warning,
.is-preview[data-theme="dark"] .cbt-callout-warning {
  background: rgba(239, 68, 68, 0.12);
}
[data-theme="dark"] .cbt-callout-warning .cbt-callout-header,
.is-preview[data-theme="dark"] .cbt-callout-warning .cbt-callout-header {
  color: #FCA5A5;
}

[data-theme="dark"] .cbt-callout-info,
.is-preview[data-theme="dark"] .cbt-callout-info {
  background: rgba(148, 163, 184, 0.12);
}
[data-theme="dark"] .cbt-callout-info .cbt-callout-header,
.is-preview[data-theme="dark"] .cbt-callout-info .cbt-callout-header {
  color: #CBD5E1;
}

/* Enhanced Word Highlights & Callouts in CBT Solutions */
.cbt-sol-keyword {
  font-weight: 800 !important;
  color: #B45309 !important;
  background: rgba(245, 158, 11, 0.16) !important;
  padding: 2px 7px !important;
  border-radius: 5px !important;
  border-bottom: 2px solid rgba(245, 158, 11, 0.45) !important;
  display: inline-block !important;
  margin: 0 2px !important;
}
[data-theme="dark"] .cbt-sol-keyword {
  color: #FCD34D !important;
  background: rgba(245, 158, 11, 0.22) !important;
  border-bottom-color: rgba(245, 158, 11, 0.6) !important;
}

/* ──────────────────────────────────────────────────────────────
   Solution Block Editor Styles (Admin UI)
   ────────────────────────────────────────────────────────────── */
.cbt-sol-editor-wrapper {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  overflow: hidden;
  margin-top: 6px;
}
.cbt-sol-editor-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}
.cbt-sol-lang-tabs,
.cbt-sol-mode-tabs,
.cbt-sol-preview-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}
.cbt-sol-lang-tab,
.cbt-sol-mode-btn,
.cbt-sol-ctrl-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-main);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s;
}
.cbt-sol-lang-tab.active,
.cbt-sol-mode-btn.active,
.cbt-sol-ctrl-btn.active {
  background: #F59E0B;
  color: #0F172A;
  border-color: #F59E0B;
}
.cbt-sol-topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.cbt-sol-autosave-tag {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-main);
  border: 1px solid var(--border);
}

.cbt-sol-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.cbt-sol-toolbar-group {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}
.cbt-sol-toolbar-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
}
.cbt-sol-tool-btn {
  padding: 4px 9px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.12s;
}
.cbt-sol-tool-btn:hover {
  border-color: #F59E0B;
  color: #F59E0B;
}
.cbt-sol-tool-btn.highlight-accent {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: #F59E0B;
  font-weight: 700;
}

.cbt-sol-formatting-hints {
  padding: 4px 12px;
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

.cbt-sol-canvas-outlet {
  padding: 14px;
  max-height: 480px;
  overflow-y: auto;
}
.cbt-sol-block-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-main);
  margin-bottom: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.cbt-sol-block-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
}
.cbt-sol-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
}
.cbt-sol-block-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}
.cbt-block-num {
  font-size: 10px;
  font-weight: 800;
  color: var(--text-muted);
}
.cbt-block-badge {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.cbt-sol-block-actions {
  display: flex;
  align-items: center;
  gap: 3px;
}
.cbt-block-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
}
.cbt-block-btn:hover {
  color: var(--text-main);
  border-color: var(--text-main);
}
.cbt-block-btn.delete-btn:hover {
  color: #EF4444;
  border-color: #EF4444;
}

.cbt-sol-block-body {
  padding: 10px;
}
.cbt-sol-textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 13.5px;
  line-height: 1.6;
  font-family: inherit;
  box-sizing: border-box;
}
.cbt-sol-textarea:focus,
.cbt-sol-input:focus,
.cbt-sol-select:focus {
  outline: none;
  border-color: #F59E0B;
}
.cbt-sol-input,
.cbt-sol-select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 9px;
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 12.5px;
  box-sizing: border-box;
}

/* Live Preview Canvas Frame */
.cbt-sol-preview-outer-wrap {
  padding: 16px;
  transition: all 0.2s;
  background: var(--bg-main);
}
.cbt-sol-preview-outer-wrap.is-mobile-frame {
  max-width: 400px;
  margin: 10px auto;
  border: 10px solid #1E293B;
  border-radius: 36px;
  padding: 12px;
  background: var(--bg-main);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}
.cbt-phone-notch {
  width: 100px;
  height: 16px;
  background: #1E293B;
  border-radius: 0 0 10px 10px;
  margin: -12px auto 10px auto;
}
.cbt-sol-preview-header {
  padding-bottom: 8px;
  margin-bottom: 12px;
  border-bottom: 1px dashed var(--border);
  text-align: center;
}

/* Modals */
.cbt-sol-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.cbt-sol-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
}
.cbt-sol-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}
.cbt-sol-modal-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}
.cbt-sol-modal-close {
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}
.cbt-sol-modal-body {
  padding: 16px 18px;
  max-height: 70vh;
  overflow-y: auto;
}
.cbt-sol-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface-subtle);
}
.cbt-sol-draft-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 10px;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Mobile Media Queries */
@media (max-width: 640px) {
  .cbt-solution-rich-content {
    max-width: 100%;
  }
  .cbt-sol-p {
    font-size: 13.5px;
  }
  .cbt-sol-editor-topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .cbt-sol-topbar-actions {
    margin-left: 0;
    justify-content: space-between;
  }
}



/* ============================================================
   CALCULATION GAMING ARENA — Dedicated Styles & Animations
   ============================================================ */

.calc-arena-section {
  margin-top: 10px;
  margin-bottom: 24px;
}

.calc-arena-section-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-muted, #94a3b8);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 10px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.calc-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

.calc-game-card {
  background: var(--apple-bg-card, #16181c);
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.08));
  border-radius: 18px;
  padding: 18px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 175px;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.calc-game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px var(--card-accent, rgba(245, 158, 11, 0.35));
  border-color: var(--card-accent, rgba(245, 158, 11, 0.4));
}

.calc-boss-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.calc-boss-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.25);
}

.calc-game-arena {
  animation: fadeIn 0.25s ease-out;
}

@keyframes comboPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.6)); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.4; }
}

@media (max-width: 768px) {
  .calc-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
  }
  .calc-game-card {
    padding: 16px;
    min-height: 160px;
  }
}

@media (max-width: 480px) {
  .calc-games-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .calc-game-card {
    padding: 14px;
    min-height: 150px;
  }
}

@media (max-width: 340px) {
  .calc-games-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   CALCULATION GAMING ARENA — Light & Dark Mode Adaptive Styles
   All 13 Mini-Games: Inputs, Cards, Question Text, Stat Boxes
   ============================================================ */

/* ── Game Card Light Mode Fix (Clean Apple spatial depth) ── */
[data-theme="light"] .calc-game-card {
  background: #FFFFFF !important;
  border: 1px solid rgba(226, 232, 240, 0.95) !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05) !important;
  color: #0F172A !important;
}
[data-theme="light"] .calc-game-card:hover {
  border-color: rgba(245, 158, 11, 0.5) !important;
  box-shadow: 0 14px 30px rgba(245, 158, 11, 0.12), 0 0 0 1px rgba(245, 158, 11, 0.25) !important;
}
[data-theme="light"] .calc-card-title {
  color: #0F172A !important;
}
[data-theme="light"] .calc-card-desc {
  color: #64748B !important;
}
[data-theme="light"] .calc-card-bottom {
  border-top-color: rgba(226, 232, 240, 0.8) !important;
}
[data-theme="light"] .calc-card-tag {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-arena-section-title {
  color: #1E293B !important;
}

/* ── Universal Game Arena Container ── */
.calc-game-arena {
  animation: fadeIn 0.25s ease-out;
  color: var(--text-main);
}
[data-theme="light"] .calc-game-arena .calc-theme-card {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
}

/* ── Game Number Input (shared across all 13 games) ── */
.calc-game-input {
  width: 100%;
  max-width: 320px;
  text-align: center;
  font-size: 28px;
  font-weight: 900;
  padding: 13px 18px;
  border-radius: 14px;
  outline: none;
  -moz-appearance: textfield;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
[data-theme="dark"] .calc-game-input,
:root:not([data-theme="light"]) .calc-game-input {
  background: rgba(0, 0, 0, 0.35) !important;
  color: #FFFFFF !important;
  border: 2px solid rgba(255,255,255,0.18) !important;
}
[data-theme="light"] .calc-game-input {
  background: #F8FAFC !important;
  color: #0F172A !important;
  border: 2px solid #F59E0B !important;
  box-shadow: 0 0 10px rgba(245,158,11,0.2) !important;
}
[data-theme="light"] .calc-game-input:focus {
  border-color: #D97706 !important;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.15) !important;
}
.calc-game-input::-webkit-inner-spin-button,
.calc-game-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ── Game Question Text Display ── */
.calc-game-q-text {
  font-size: 30px;
  font-weight: 900;
  font-family: monospace, ui-monospace, SFMono-Regular, monospace;
  margin-bottom: 18px;
  line-height: 1.3;
  word-break: break-word;
}
[data-theme="dark"] .calc-game-q-text,
:root:not([data-theme="light"]) .calc-game-q-text {
  color: #FFFFFF !important;
}
[data-theme="light"] .calc-game-q-text {
  color: #0F172A !important;
}

/* ── Game Top Bar Stat Boxes ── */
.calc-game-stat-box {
  text-align: center;
  min-width: 36px;
}
.calc-game-stat-box .stat-lbl {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 1px;
}
.calc-game-stat-box .stat-val {
  font-size: 16px;
  font-weight: 900;
  line-height: 1.1;
}
[data-theme="dark"] .calc-game-stat-box .stat-lbl,
:root:not([data-theme="light"]) .calc-game-stat-box .stat-lbl {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-game-stat-box .stat-lbl {
  color: #64748B !important;
}
[data-theme="dark"] .calc-game-stat-box .stat-val,
:root:not([data-theme="light"]) .calc-game-stat-box .stat-val {
  color: #FFFFFF !important;
}
[data-theme="light"] .calc-game-stat-box .stat-val {
  color: #0F172A !important;
}

/* ── Target Number Grid Buttons ── */
.calc-target-num-btn {
  padding: 14px 10px;
  font-size: 20px;
  font-weight: 900;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: monospace;
}
[data-theme="dark"] .calc-target-num-btn,
:root:not([data-theme="light"]) .calc-target-num-btn {
  background: rgba(0, 0, 0, 0.3) !important;
  border: 2px solid rgba(255,255,255,0.12) !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .calc-target-num-btn.selected,
:root:not([data-theme="light"]) .calc-target-num-btn.selected {
  background: rgba(16,185,129,0.2) !important;
  border-color: #10B981 !important;
  color: #10B981 !important;
}
[data-theme="light"] .calc-target-num-btn {
  background: #F8FAFC !important;
  border: 2px solid #E2E8F0 !important;
  color: #0F172A !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05) !important;
}
[data-theme="light"] .calc-target-num-btn:hover {
  border-color: #F59E0B !important;
  background: #FEF3C7 !important;
}
[data-theme="light"] .calc-target-num-btn.selected {
  background: rgba(16,185,129,0.1) !important;
  border-color: #10B981 !important;
  color: #059669 !important;
}

/* ── Daily Boss Battle Background Card ── */
.calc-boss-bg {
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 12px;
  text-align: center;
  border: 1.5px solid rgba(139,92,246,0.5);
}
[data-theme="dark"] .calc-boss-bg,
:root:not([data-theme="light"]) .calc-boss-bg {
  background: linear-gradient(135deg, rgba(139,92,246,0.25), rgba(109,40,217,0.15)) !important;
}
[data-theme="light"] .calc-boss-bg {
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(237,233,254,0.7)) !important;
  border-color: rgba(139,92,246,0.35) !important;
}

/* ── Game Setup Screen ── */
.calc-game-setup {
  max-width: 540px;
  margin: 20px auto;
  padding: 10px 16px 50px;
}
[data-theme="light"] .calc-game-setup .calc-theme-card {
  background: #FFFFFF !important;
  border-color: #FDE68A !important;
}

/* ── Game Result Screen ── */
.calc-game-result {
  max-width: 600px;
  margin: 10px auto;
  padding: 6px 12px 60px;
}
.calc-result-stat-box {
  padding: 10px;
  border-radius: 10px;
}
[data-theme="dark"] .calc-result-stat-box,
:root:not([data-theme="light"]) .calc-result-stat-box {
  background: rgba(0,0,0,0.25) !important;
  border: 1px solid rgba(255,255,255,0.08) !important;
}
[data-theme="light"] .calc-result-stat-box {
  background: #FFFFFF !important;
  border: 1.5px solid #FCD34D !important;
  box-shadow: 0 2px 8px rgba(217,119,6,0.08) !important;
}
.calc-result-stat-lbl {
  font-size: 9.5px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 2px;
}
[data-theme="dark"] .calc-result-stat-lbl,
:root:not([data-theme="light"]) .calc-result-stat-lbl {
  color: #94A3B8 !important;
}
[data-theme="light"] .calc-result-stat-lbl {
  color: #92400E !important;
}

/* ── Waiting / Connecting Screen ── */
.calc-waiting-screen {
  max-width: 500px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
}
[data-theme="light"] .calc-waiting-screen .calc-theme-card {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
}

/* ── Game Top Bar container ── */
.calc-game-top-bar {
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 10px;
}
[data-theme="dark"] .calc-game-top-bar,
:root:not([data-theme="light"]) .calc-game-top-bar {
  background: #111114 !important;
}
[data-theme="light"] .calc-game-top-bar {
  background: #FFFFFF !important;
  border: 1.5px solid #FDE68A !important;
  box-shadow: 0 2px 10px rgba(217,119,6,0.06) !important;
}

/* ── Battle lobby inactive diff/count buttons ── */
[data-theme="light"] .btn-battle-diff:not(.active),
[data-theme="light"] .btn-battle-count:not(.active) {
  background: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #334155 !important;
}
[data-theme="light"] .btn-battle-diff:not(.active):hover,
[data-theme="light"] .btn-battle-count:not(.active):hover {
  background: #FEF3C7 !important;
  border-color: #F59E0B !important;
  color: #B45309 !important;
}

/* ── Solo config count buttons ── */
[data-theme="light"] .btn-count {
  background: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #334155 !important;
}
[data-theme="light"] .btn-count.active {
  background: rgba(59,130,246,0.15) !important;
  border-color: #3B82F6 !important;
  color: #1D4ED8 !important;
}

/* ── All game arena number inputs (universal fallback) ── */
[data-theme="light"] .calc-game-arena input[type="number"] {
  background: #F8FAFC !important;
  color: #0F172A !important;
  border-color: #F59E0B !important;
}
[data-theme="light"] .calc-game-arena input[type="number"]::placeholder {
  color: #94A3B8 !important;
}

/* ── Drill Screen light mode ── */
[data-theme="light"] .calc-drill-screen {
  background: var(--bg-base, #F8FAFC) !important;
}
[data-theme="light"] .calc-numpad-key {
  background: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  color: #0F172A !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05) !important;
}
[data-theme="light"] .calc-numpad-key:hover {
  background: #FEF3C7 !important;
  border-color: #F59E0B !important;
}
[data-theme="light"] .calc-numpad-key:active {
  background: #FDE68A !important;
  transform: scale(0.93) !important;
}

/* ── Memory calc flash number ── */
[data-theme="light"] #flash-number {
  color: #0F172A !important;
}

/* Mobile enhancements for game arena */
@media (max-width: 480px) {
  .calc-game-input {
    max-width: 240px !important;
    font-size: 24px !important;
    padding: 10px 14px !important;
  }
  .calc-game-q-text {
    font-size: 24px !important;
  }
}

/* ============================================================
   RESPONSIVE QUESTION OPTION & SOLUTION IMAGES
   Zero Cumulative Layout Shift (CLS), Mobile (390px) & Laptop (1366px)
   ============================================================ */
.cbt-opt-img {
  display: block;
  max-width: 100%;
  max-height: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid var(--border, #e2e8f0);
  cursor: zoom-in;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cbt-opt-img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.cbt-sol-img {
  display: block;
  max-width: 100%;
  max-height: 380px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  cursor: zoom-in;
}

@media (max-width: 640px) {
  .cbt-opt-img {
    max-height: 110px;
  }
  .cbt-sol-img {
    max-height: 240px;
  }
}

/* ============================================================
   1-CLICK TEST BUILDER PRO: PASSAGES, TOOLBAR & FLOATING BAR
   ============================================================ */
.cbt-passage-card {
  background: var(--surface-subtle, #f8fafc);
  border: 1.5px solid var(--border, #cbd5e1);
  border-left: 4px solid #3b82f6 !important;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 12px;
}
.cbt-passage-header {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #2563eb;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.cbt-passage-content {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-main, #1e293b);
}

.builder-floating-bar {
  position: fixed;
  bottom: 0;
  left: 260px;
  right: 0;
  padding: 11px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  z-index: 990;
  transition: all 0.2s ease;
}

/* Light Mode: 100% White & Yellow/Amber Based (Zero Black Box) */
[data-theme="light"] .builder-floating-bar {
  background: #FFFFFF !important;
  border-top: 2px solid #F59E0B !important;
  box-shadow: 0 -6px 25px rgba(0, 0, 0, 0.08) !important;
  color: #0F172A !important;
}
[data-theme="light"] .builder-floating-bar .builder-floating-text {
  color: #0F172A !important;
}
[data-theme="light"] .builder-floating-bar .builder-floating-sub {
  color: #64748B !important;
}
[data-theme="light"] .builder-floating-bar .btn-secondary {
  background: #F8FAFC !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
}
[data-theme="light"] .builder-floating-bar .btn-secondary:hover {
  background: #FEF3C7 !important;
  border-color: #F59E0B !important;
  color: #B45309 !important;
}

/* Dark Mode: Pitch/Glass Dark Box ONLY in Dark Mode */
[data-theme="dark"] .builder-floating-bar,
:root:not([data-theme="light"]) .builder-floating-bar {
  background: rgba(15, 23, 42, 0.96) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1.5px solid rgba(245, 158, 11, 0.4) !important;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4) !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .builder-floating-bar .builder-floating-text,
:root:not([data-theme="light"]) .builder-floating-bar .builder-floating-text {
  color: #FFFFFF !important;
}
[data-theme="dark"] .builder-floating-bar .builder-floating-sub,
:root:not([data-theme="light"]) .builder-floating-bar .builder-floating-sub {
  color: #94A3B8 !important;
}

/* Pro Tools Top Banner Theme Adaptation */
.builder-pro-banner {
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 16px;
  transition: all 0.2s ease;
}
[data-theme="light"] .builder-pro-banner {
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFBEB 100%) !important;
  border: 1.5px solid #FCD34D !important;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.12) !important;
  color: #0F172A !important;
}
[data-theme="light"] .builder-pro-banner .builder-banner-title {
  color: #0F172A !important;
}
[data-theme="light"] .builder-pro-banner .builder-banner-sub {
  color: #B45309 !important;
}
[data-theme="light"] .builder-pro-banner .builder-pro-tool-btn {
  background: #FFFFFF !important;
  border: 1.5px solid #E2E8F0 !important;
  color: #1E293B !important;
  font-weight: 700 !important;
  transition: all 0.15s ease;
}
[data-theme="light"] .builder-pro-banner .builder-pro-tool-btn:hover {
  background: #FEF3C7 !important;
  border-color: #F59E0B !important;
  color: #B45309 !important;
}
[data-theme="light"] .builder-pro-banner .sample-pill-btn {
  background: #FEF3C7 !important;
  color: #92400E !important;
  border: 1px solid #FDE68A !important;
}
[data-theme="light"] .builder-pro-banner .sample-pill-btn:hover {
  background: #FDE68A !important;
  color: #78350F !important;
}

[data-theme="dark"] .builder-pro-banner,
:root:not([data-theme="light"]) .builder-pro-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%) !important;
  border: 1.5px solid rgba(245, 158, 11, 0.35) !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25) !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .builder-pro-banner .builder-banner-title,
:root:not([data-theme="light"]) .builder-pro-banner .builder-banner-title {
  color: #FFFFFF !important;
}
[data-theme="dark"] .builder-pro-banner .builder-banner-sub,
:root:not([data-theme="light"]) .builder-pro-banner .builder-banner-sub {
  color: #FCD34D !important;
}
[data-theme="dark"] .builder-pro-banner .builder-pro-tool-btn,
:root:not([data-theme="light"]) .builder-pro-banner .builder-pro-tool-btn {
  background: rgba(255, 255, 255, 0.12) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .builder-pro-banner .sample-pill-btn,
:root:not([data-theme="light"]) .builder-pro-banner .sample-pill-btn {
  background: rgba(245, 158, 11, 0.15) !important;
  color: #FCD34D !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
}

/* 1-Click Test Builder Pro Layout & Ribbon Semantics */
.builder-banner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.builder-banner-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.builder-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.builder-ribbon-label {
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  flex-shrink: 0;
}
.builder-pro-tools-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.builder-pro-tools-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.builder-presets-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.builder-presets-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.builder-main-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
}
.builder-main-title-side {
  flex: 1 1 500px;
  min-width: 0;
}
.builder-main-action-side {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.builder-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.builder-nav-title {
  display: flex;
  align-items: center;
  gap: 8px;
}
.builder-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.builder-floating-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Bottom Clearance Spacer & Action Card Margin */
.builder-bottom-spacer {
  height: 130px;
  width: 100%;
  clear: both;
}
.builder-bottom-actions-card {
  margin-bottom: 24px !important;
  transition: all 0.2s ease;
}

@media (max-width: 992px) {
  .builder-floating-bar {
    left: 0 !important;
    padding: 10px 14px;
    width: 100% !important;
    box-sizing: border-box;
  }
}

.builder-nav-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 6px 0;
  scrollbar-width: thin;
}
.builder-nav-pill {
  flex-shrink: 0;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border, #cbd5e1);
  background: var(--surface, #ffffff);
  color: var(--text-main, #334155);
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.builder-nav-pill:hover {
  border-color: var(--primary, #f59e0b);
  color: var(--primary, #f59e0b);
}
.builder-nav-pill.active {
  background: var(--primary, #f59e0b) !important;
  color: var(--text-on-primary, #0f172a) !important;
  border-color: var(--primary-hover, #d97706) !important;
}

.builder-format-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  padding: 5px 8px;
  background: var(--surface-subtle, #f1f5f9);
  border: 1px solid var(--border, #cbd5e1);
  border-bottom: none;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}
.builder-format-btn {
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 5px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-main, #334155);
  cursor: pointer;
  line-height: 1.4;
  transition: all 0.12s ease;
}
.builder-format-btn:hover {
  background: var(--primary-subtle, #fef3c7);
  border-color: var(--primary, #f59e0b);
  color: var(--primary, #f59e0b);
}

.option-manual-box {
  background: var(--surface-subtle);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.option-manual-box:hover {
  border-color: var(--border-strong);
}
.option-manual-box.correct-option-active {
  background: var(--success-subtle, rgba(16, 185, 129, 0.08)) !important;
  border: 2px solid var(--success, #10B981) !important;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.22) !important;
}
.builder-editor-ribbon {
  background: var(--surface-subtle) !important;
  border-color: var(--border) !important;
}
.builder-raw-textarea {
  background: var(--card-bg, var(--surface)) !important;
  color: var(--text-main) !important;
  border-color: var(--border) !important;
}


@media (max-width: 768px) {
  .hide-on-mobile {
    display: none !important;
  }
  .builder-floating-bar {
    left: 0 !important;
    width: 100% !important;
    bottom: 0 !important;
    border-radius: 0 !important;
    padding: 8px 12px !important;
  }
  .builder-q-card {
    padding: 12px !important;
  }
}

.cbt-inline-math-display {
  display: block;
  text-align: center;
  margin: 6px 0;
  overflow-x: auto;
}

/* ========================================================
   Auto-Expanding Textareas & Full Visibility
   ======================================================== */
.builder-textarea-expandable {
  width: 100%;
  box-sizing: border-box;
  min-height: 115px;
  line-height: 1.6;
  font-size: 14px;
  resize: vertical;
  overflow-y: auto;
  field-sizing: content; /* Modern Chrome / Edge native auto-expansion */
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.builder-passage-expandable {
  width: 100%;
  box-sizing: border-box;
  min-height: 95px;
  line-height: 1.55;
  font-size: 13.5px;
  resize: vertical;
  overflow-y: auto;
  field-sizing: content;
}

.builder-option-expandable {
  width: 100%;
  box-sizing: border-box;
  min-height: 48px;
  line-height: 1.5;
  font-size: 13.5px;
  resize: vertical;
  overflow-y: auto;
  field-sizing: content;
  padding: 8px 12px;
}

/* Compact Option Mini-Toolbar */
.builder-format-toolbar-mini {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  flex-wrap: wrap;
}

.builder-format-btn-mini {
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-main, #334155);
  cursor: pointer;
  line-height: 1.35;
  transition: all 0.12s ease;
}

.builder-format-btn-mini:hover {
  background: var(--primary-subtle, #fef3c7);
  border-color: var(--primary, #f59e0b);
  color: var(--primary, #f59e0b);
}

/* Smart Paste Audit Dashboard */
.smart-paste-audit-item {
  border-left: 3px solid var(--border);
  transition: all 0.15s ease;
}
.smart-paste-audit-item.has-critical {
  border-left-color: #EF4444 !important;
  background: rgba(239, 68, 68, 0.04);
}
.smart-paste-audit-item.has-warning {
  border-left-color: #F59E0B !important;
  background: rgba(245, 158, 11, 0.04);
}
.smart-paste-audit-item.is-clean {
  border-left-color: #10B981 !important;
}

.audit-badge-critical {
  background: rgba(239, 68, 68, 0.15);
  color: #DC2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  padding: 2px 7px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.audit-badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #D97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  padding: 2px 7px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.audit-badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #2563EB;
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  padding: 2px 7px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============================================================
   RESPONSIVE IMAGE & DIAGRAM STYLING (MOBILE & WEB COMPATIBILITY)
   ============================================================ */
img.cbt-responsive-img,
.cbt-question-diagram,
.cbt-sol-img,
.cbt-opt-img,
.q-text-content img,
.cbt-question-statement img,
.cbt-solution-panel img,
.cbt-opt-img-wrap img,
.cbt-q-diagram-wrap img {
  max-width: 100% !important;
  height: auto !important;
  max-height: 380px;
  object-fit: contain;
  display: block;
  margin: 8px auto;
  border-radius: 8px;
  cursor: zoom-in;
  box-sizing: border-box;
}

.cbt-opt-img {
  max-height: 160px !important;
  max-width: 100% !important;
  height: auto !important;
  object-fit: contain;
  display: block;
  cursor: zoom-in;
}

@media (max-width: 768px) {
  img.cbt-responsive-img,
  .cbt-question-diagram,
  .cbt-sol-img,
  .q-text-content img,
  .cbt-question-statement img,
  .cbt-solution-panel img,
  .cbt-q-diagram-wrap img {
    max-height: 280px !important;
    max-width: 100% !important;
  }
  .cbt-opt-img {
    max-height: 130px !important;
    max-width: 100% !important;
  }
  .cbt-opt-img-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  img.cbt-responsive-img,
  .cbt-question-diagram,
  .cbt-sol-img,
  .q-text-content img,
  .cbt-question-statement img,
  .cbt-solution-panel img,
  .cbt-q-diagram-wrap img {
    max-height: 220px !important;
    max-width: 100% !important;
  }
  .cbt-opt-img {
    max-height: 110px !important;
  }
}





/* =================================================================
   FORMULA LIBRARY -- Full Light / Dark Adaptive Theme
   ================================================================= */

/* Formula Hero Mastery Gauge Box */
.formula-mastery-box {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 12px 18px;
  min-width: 220px;
  text-align: center;
}
[data-theme="light"] .formula-mastery-box {
  background: #F8FAFC;
  border: 1px solid rgba(139,92,246,0.2);
}
.formula-mastery-bar-track {
  background: rgba(255,255,255,0.08);
  height: 6px;
  border-radius: 9999px;
  overflow: hidden;
  margin: 6px 0;
}
[data-theme="light"] .formula-mastery-bar-track {
  background: #E2E8F0;
}

/* Formula Search Input */
.formula-search-input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 8px 14px 8px 34px;
  font-size: 13px;
  color: #F8FAFC;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.formula-search-input::placeholder { color: #64748B; }
.formula-search-input:focus {
  border-color: #F59E0B;
  background: rgba(0,0,0,0.4);
}
[data-theme="light"] .formula-search-input {
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: #0F172A;
}
[data-theme="light"] .formula-search-input::placeholder { color: #94A3B8; }
[data-theme="light"] .formula-search-input:focus {
  border-color: #F59E0B;
  background: #FFFBEB;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12);
}

/* Formula Filter Dropdowns */
.formula-filter-select {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: #F8FAFC;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  outline: none;
  cursor: pointer;
}
[data-theme="light"] .formula-filter-select {
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: #334155;
}
[data-theme="light"] .formula-filter-select:focus { border-color: #F59E0B; }

/* Topic Filter Pills - inactive state */
.formula-topic-pill {
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 12.5px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  color: #CBD5E1;
  border: 1px solid rgba(255,255,255,0.1);
}
[data-theme="light"] .formula-topic-pill {
  background: #F1F5F9;
  color: #475569;
  border: 1px solid #CBD5E1;
}
[data-theme="light"] .formula-topic-pill:hover {
  background: #E2E8F0;
  border-color: #94A3B8;
}
.formula-topic-pill-count {
  background: rgba(0,0,0,0.25);
  padding: 1px 6px;
  border-radius: 9999px;
  font-size: 10.5px;
}
[data-theme="light"] .formula-topic-pill-count {
  background: rgba(0,0,0,0.08);
  color: #475569;
}

/* Filter Toggle Chips */
.formula-filter-chip {
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #94A3B8;
  transition: all 0.15s ease;
}
[data-theme="light"] .formula-filter-chip {
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  color: #64748B;
}
[data-theme="light"] .formula-filter-chip:hover {
  background: #F1F5F9;
  border-color: #94A3B8;
}

/* Formula Math Display Box */
.formula-math-box {
  background: rgba(0,0,0,0.45);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 12px;
  position: relative;
}
[data-theme="light"] .formula-math-box {
  background: #EEF2FF;
  border: 1.5px solid rgba(99,102,241,0.3);
}
.formula-math-text {
  font-family: 'Cambria Math','KaTeX_Math','Times New Roman',serif,monospace;
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.45;
  word-break: break-word;
}
[data-theme="light"] .formula-math-text {
  color: #1E1B4B !important;
}

/* Variables text */
.formula-vars-text {
  font-size: 12px;
  color: #CBD5E1;
  margin-bottom: 10px;
  line-height: 1.4;
}
[data-theme="light"] .formula-vars-text { color: #475569; }
.formula-vars-label {
  color: #94A3B8;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
[data-theme="light"] .formula-vars-label { color: #64748B; }

/* Speed Trick / Shortcut Callout */
.formula-trick-box {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.35);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 12px;
  font-size: 12px;
  line-height: 1.45;
  color: #FDE68A;
}
[data-theme="light"] .formula-trick-box {
  background: #FFFBEB;
  border: 1px solid rgba(245,158,11,0.5);
  color: #92400E;
}

/* Accordion Details */
.formula-accordion {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 14px;
}
[data-theme="light"] .formula-accordion {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
}
.formula-accordion summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary, #F59E0B);
  outline: none;
  user-select: none;
  list-style: none;
}
.formula-accordion summary::-webkit-details-marker { display: none; }
.formula-accordion-body {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}
[data-theme="light"] .formula-accordion-body { border-top: 1px solid #E2E8F0; }
.formula-accordion-step-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.4;
  color: #CBD5E1;
}
[data-theme="light"] .formula-accordion-step-list { color: #334155; }
.formula-accordion-question {
  color: #FFFFFF;
  font-size: 12.5px;
}
[data-theme="light"] .formula-accordion-question { color: #0F172A; }
.formula-trap-box {
  margin-top: 10px;
  padding: 6px 10px;
  background: rgba(239,68,68,0.1);
  border-left: 3px solid #EF4444;
  border-radius: 4px;
  font-size: 11.5px;
  color: #FCA5A5;
}
[data-theme="light"] .formula-trap-box {
  background: rgba(239,68,68,0.06);
  color: #991B1B;
}

/* Card Separator */
.formula-card-divider {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 10px;
}
[data-theme="light"] .formula-card-divider { border-top: 1px solid #E2E8F0; }

/* Mastery Status Dropdown in card */
.formula-mastery-select {
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 800;
  padding: 5px 8px;
  outline: none;
  cursor: pointer;
  background: rgba(0,0,0,0.3);
}
[data-theme="light"] .formula-mastery-select { background: #FFFFFF; }

/* Muted subtopic text */
.formula-desc-muted {
  font-size: 11.5px;
  color: #94A3B8;
  margin-bottom: 12px;
}
[data-theme="light"] .formula-desc-muted { color: #64748B; }

/* Hero card light override */
[data-theme="light"] .formula-hero-card {
  background: linear-gradient(135deg, rgba(139,92,246,0.07) 0%, rgba(59,130,246,0.04) 100%) !important;
  border: 1.5px solid rgba(139,92,246,0.2) !important;
}

/* Mobile */
@media (max-width: 640px) {
  .formula-math-text { font-size: 14px !important; }
  .formula-mastery-box { min-width: unset; width: 100%; }
}

/* =================================================================
   MASTER MOBILE-FIRST RESPONSIVE FRAMEWORK & TOUCH SYSTEM
   ================================================================= */

/* ── 1. Global Touch & Body Safeguards ── */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
}

/* iOS input auto-zoom prevention */
@media (max-width: 768px) {
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  select,
  textarea {
    font-size: 16px !important; /* Prevents auto-zoom on iOS Safari */
  }
}

/* ── 2. Responsive Table Wrappers & Touch Scroll ── */
.table-responsive,
.mobile-table-wrapper {
  width: 100% !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch !important;
  margin-bottom: 1rem;
  border-radius: var(--radius-md, 12px);
  max-width: 100% !important;
}

.table-responsive > table,
.mobile-table-wrapper > table {
  width: 100% !important;
  min-width: 600px; /* Ensures table columns don't compress unreadably */
}

@media (max-width: 640px) {
  .table-responsive > table,
  .mobile-table-wrapper > table {
    min-width: 520px;
  }
}

/* Custom sleek scrollbars for horizontal table scroll */
.table-responsive::-webkit-scrollbar,
.mobile-table-wrapper::-webkit-scrollbar {
  height: 5px;
}
.table-responsive::-webkit-scrollbar-track,
.mobile-table-wrapper::-webkit-scrollbar-track {
  background: var(--surface-subtle, rgba(255, 255, 255, 0.04));
  border-radius: 4px;
}
.table-responsive::-webkit-scrollbar-thumb,
.mobile-table-wrapper::-webkit-scrollbar-thumb {
  background: var(--primary, #F59E0B);
  border-radius: 4px;
}

/* ── 3. Responsive Modal System ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-y: auto;
}

.modal-dialog,
.modal-container {
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  display: flex;
  flex-direction: column;
  background: var(--card-bg, #121214);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  margin: auto;
}

.modal-body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px;
  flex: 1 1 auto;
}

@media (max-width: 640px) {
  .modal-overlay {
    padding: 10px;
    align-items: flex-end; /* Mobile Bottom-Sheet style popup */
  }
  .modal-dialog,
  .modal-container {
    max-width: 100% !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    border-top-left-radius: 20px !important;
    border-top-right-radius: 20px !important;
    max-height: 90vh !important;
    max-height: 90dvh !important;
  }
  .modal-body {
    padding: 16px;
  }
}

/* ── 4. Mobile Drawer System ── */
.mobile-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 280px;
  max-width: 85vw;
  z-index: 99999;
  background: var(--surface, #121214);
  border-right: 1px solid var(--border, rgba(255, 255, 255, 0.1));
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99998;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* ── 5. Safe Area Insets for Mobile Modern Devices ── */
.safe-padding-bottom {
  padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px)) !important;
}

.safe-padding-top {
  padding-top: calc(12px + env(safe-area-inset-top, 0px)) !important;
}

/* ── 6. Reported Questions & 1-Click Test Builder Mobile System ── */
@media (max-width: 768px) {
  /* Reported Questions 2-Column Compact Stats Grid */
  .reports-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .reports-stats-grid .category-stat-box {
    padding: 10px 12px !important;
  }
  .reports-stats-grid .stat-box-num {
    font-size: 16px !important;
  }
  .reports-stats-grid .stat-box-label {
    font-size: 10.5px !important;
  }
  .reports-stats-grid .stat-box-icon {
    width: 32px !important;
    height: 32px !important;
    font-size: 15px !important;
  }
  
  /* Scrollable Compact Tab Row */
  .reports-tabs-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    padding-bottom: 4px !important;
    display: flex !important;
    gap: 6px !important;
  }
  .reports-tabs-wrap button {
    flex-shrink: 0 !important;
  }

  /* Full-width Stacking Filters */
  .reports-filter-bar {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .reports-filter-bar select,
  .reports-filter-bar input {
    width: 100% !important;
    min-width: 100% !important;
  }

  /* 1-Click Test Builder Mobile Polish */
  .builder-pro-banner {
    padding: 12px !important;
  }
  .builder-pro-tool-btn {
    font-size: 11px !important;
    padding: 4px 8px !important;
  }
  .builder-mode-switcher-row {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .builder-mode-switcher-row button {
    width: 100% !important;
  }
}

/* ============================================================
   EXAM PREFERENCE SYSTEM — Cards + Onboarding Modal
   ============================================================ */

/* ── Exam Preference Card Grid ─────────────────────────────── */
.exam-pref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  padding: 4px 0;
}

.exam-pref-grid--onboarding {
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  max-height: 55vh;
  overflow-y: auto;
  padding: 8px 4px;
}

/* ── Exam Preference Card ──────────────────────────────────── */
.exam-pref-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 10px 14px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: 100px;
}

.exam-pref-card:hover {
  border-color: var(--card-color, var(--primary));
  background: color-mix(in srgb, var(--card-color, var(--primary)) 8%, var(--surface));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--card-color, var(--primary)) 20%, transparent);
}

.exam-pref-card.selected {
  border-color: var(--card-color, var(--primary));
  background: color-mix(in srgb, var(--card-color, var(--primary)) 12%, var(--surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--card-color, var(--primary)) 20%, transparent);
}

.exam-pref-card.primary {
  border-color: var(--card-color, var(--primary));
  background: color-mix(in srgb, var(--card-color, var(--primary)) 18%, var(--surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--card-color, var(--primary)) 30%, transparent),
              0 8px 24px color-mix(in srgb, var(--card-color, var(--primary)) 25%, transparent);
}

.exam-pref-icon {
  font-size: 28px;
  line-height: 1;
  display: block;
}

.exam-pref-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  display: block;
  word-break: break-word;
}

.exam-pref-check {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 12px;
  font-weight: 900;
  color: var(--card-color, var(--primary));
  line-height: 1;
}

.exam-pref-badge {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-color, var(--primary));
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* ── Fallback for browsers without color-mix ───────────────── */
@supports not (color: color-mix(in srgb, red 10%, white)) {
  .exam-pref-card.selected,
  .exam-pref-card.primary {
    border-color: var(--primary);
    background: var(--primary-light);
  }
}

/* ── Onboarding Modal Backdrop ─────────────────────────────── */
.exam-onboarding-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99990;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: eoFadeIn 0.25s ease;
}

@keyframes eoFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Onboarding Modal Container ────────────────────────────── */
.exam-onboarding-modal {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  max-width: 700px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  animation: eoSlideUp 0.28s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes eoSlideUp {
  from { opacity: 0; transform: translateY(32px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Onboarding Header ─────────────────────────────────────── */
.exam-onboarding-header {
  padding: 28px 28px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.exam-onboarding-logo {
  font-size: 48px;
  margin-bottom: 12px;
  line-height: 1;
}

.exam-onboarding-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-main);
  margin: 0 0 8px;
}

.exam-onboarding-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 14px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.exam-onboarding-count {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid var(--primary);
}

/* ── Cards in onboarding modal ─────────────────────────────── */
.exam-onboarding-modal .exam-pref-grid {
  padding: 20px 24px;
}

/* ── Onboarding Footer ─────────────────────────────────────── */
.exam-onboarding-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 28px 28px;
  border-top: 1px solid var(--border);
}

/* ── Profile Exam Preferences Tab — Actions row ─────────────── */
#exam-prefs-actions {
  display: flex !important;
}

/* ── Mobile Responsive ─────────────────────────────────────── */
@media (max-width: 640px) {
  .exam-pref-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
  }

  .exam-pref-card {
    padding: 14px 8px 12px;
    min-height: 88px;
    border-radius: 12px;
  }

  .exam-pref-icon {
    font-size: 24px;
  }

  .exam-pref-name {
    font-size: 11px;
  }

  .exam-onboarding-modal {
    border-radius: 16px;
    max-height: 95vh;
  }

  .exam-onboarding-header {
    padding: 20px 16px 16px;
  }

  .exam-onboarding-logo {
    font-size: 36px;
  }

  .exam-onboarding-title {
    font-size: 18px;
  }

  .exam-onboarding-subtitle {
    font-size: 13px;
  }

  .exam-onboarding-modal .exam-pref-grid {
    padding: 14px 12px;
  }

  .exam-onboarding-footer {
    padding: 16px 16px 20px;
    gap: 10px;
  }

  .exam-pref-grid--onboarding {
    grid-template-columns: repeat(3, 1fr);
    max-height: 52vh;
  }
}

@media (max-width: 375px) {
  .exam-pref-grid,
  .exam-pref-grid--onboarding {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .exam-pref-card {
    min-height: 80px;
    padding: 12px 6px;
  }

  .exam-pref-icon {
    font-size: 22px;
  }

  .exam-pref-name {
    font-size: 10.5px;
  }
}

/* ============================================================
   ENTERPRISE LIVE TEST & CUSTOM DRILL SUITE (v4.0)
   100% Dark Mode & Light Mode Apple-Grade Design System
   ============================================================ */

/* Container */
.live-suite-wrapper {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding-bottom: 100px;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* Luxury Hero Banner (Adaptive Dark & Light) */
.live-hero-arena {
  background: var(--surface);
  background-image: radial-gradient(circle at 90% 20%, rgba(245, 158, 11, 0.12) 0%, transparent 60%);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 18px 22px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}
[data-theme="dark"] .live-hero-arena {
  border-color: rgba(245, 158, 11, 0.35);
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.7);
}
[data-theme="light"] .live-hero-arena {
  background: #FFFFFF;
  background-image: radial-gradient(circle at 90% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 60%);
  border-color: #E2E8F0;
  box-shadow: 0 8px 20px -5px rgba(15, 23, 42, 0.05);
}
.live-hero-arena .arena-decor-watermark {
  position: absolute;
  right: -10px;
  top: -10px;
  font-size: 90px;
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}
[data-theme="light"] .live-hero-arena .arena-decor-watermark {
  opacity: 0.05;
}
.live-hero-arena .arena-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light, rgba(245, 158, 11, 0.15));
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--primary-hover, #D97706);
  font-size: 10px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
[data-theme="dark"] .live-hero-arena .arena-eyebrow {
  color: #FBBF24;
}
.live-hero-arena h1,
.live-hero-arena h2 {
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 900;
  color: var(--text-main);
  margin: 0 0 4px 0;
  letter-spacing: -0.01em;
}
.live-hero-arena p {
  color: var(--text-muted);
  font-size: 13px;
  max-width: 680px;
  line-height: 1.5;
  margin: 0;
}

/* Quick KPI Cards */
.live-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 900px) {
  .live-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .live-kpi-grid {
    grid-template-columns: 1fr;
  }
}
.live-kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
  min-height: 58px;
}
.live-kpi-card:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.live-kpi-card .kpi-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}
.live-kpi-card .kpi-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.2;
}
.live-kpi-card .kpi-value {
  font-size: 16px;
  font-weight: 900;
  color: var(--text-main);
  margin-top: 1px;
  line-height: 1.2;
}

/* 4-Part Top Header Navigation Tabs */
.live-part-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
@media (max-width: 992px) {
  .live-part-nav-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 520px) {
  .live-part-nav-grid {
    grid-template-columns: 1fr !important;
  }
}
.live-part-tab-btn {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-main);
  position: relative;
  min-height: 64px;
}
.live-part-tab-btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.live-part-tab-btn.active {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%) !important;
  border-color: #D97706 !important;
  color: #0F172A !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3) !important;
  transform: translateY(-1px);
}
.live-part-tab-btn .tab-title {
  font-size: 13.5px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 5px;
  color: inherit;
  flex-wrap: wrap;
}
.live-part-tab-btn .tab-subtitle {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.live-part-tab-btn.active .tab-subtitle {
  color: rgba(15, 23, 42, 0.85) !important;
}
.live-part-tab-btn .tab-badge {
  font-size: 9.5px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(245, 158, 11, 0.15);
  color: #D97706;
  text-transform: uppercase;
}
[data-theme="dark"] .live-part-tab-btn .tab-badge {
  color: #F59E0B;
}
.live-part-tab-btn.active .tab-badge {
  background: rgba(0, 0, 0, 0.2) !important;
  color: #0F172A !important;
}
.live-part-tab-btn .tab-radio-indicator {
  font-size: 15px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.4;
  flex-shrink: 0;
  margin-left: 4px;
}
.live-part-tab-btn.active .tab-radio-indicator {
  color: #0F172A !important;
  opacity: 1 !important;
}

/* Sections & Cards */
.live-section-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 20px;
}
.live-section-box:last-child {
  margin-bottom: 30px;
}
.live-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.live-section-header .section-eyebrow {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}
.live-section-header h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

/* Standardized Content Cards */
.live-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 20px;
  align-items: stretch;
}
.live-table-responsive {
  width: 100% !important;
  max-width: 100% !important;
  overflow-x: hidden !important;
  box-sizing: border-box !important;
}
.live-table-responsive table {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  table-layout: auto !important;
}
.live-standard-card {
  background: var(--card-bg-raised, var(--surface));
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  box-sizing: border-box;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.live-standard-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.live-standard-card h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
  min-height: 48px;
  max-height: 48px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.live-standard-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 16px 0;
  min-height: 58px;
  max-height: 58px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Scheduled Live Mock Exam Card (Designer-grade uniform grid) */
.live-mock-exam-card {
  background: var(--card-bg-raised, var(--surface));
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  box-sizing: border-box;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.live-mock-exam-card.is-live {
  border-color: rgba(220, 38, 38, 0.5);
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.12);
}
.live-mock-exam-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.live-mock-exam-card h4 {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.4;
  min-height: 44px;
  max-height: 44px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.live-mock-meta-row {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* Gold Gradient Primary Button */
.btn-gold-primary {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%) !important;
  color: #0F172A !important;
  font-weight: 900 !important;
  border: none !important;
  border-radius: 10px !important;
  box-shadow: 0 3px 10px rgba(245, 158, 11, 0.35) !important;
  transition: all 0.2s ease !important;
  cursor: pointer !important;
}
.btn-gold-primary:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.45) !important;
}

/* Custom Practice Drill Option Cards */
.drill-option-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 13px 16px;
  cursor: pointer;
  transition: all 0.18s ease;
  position: relative;
}
.drill-option-card:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}
.drill-option-card.selected {
  background: var(--primary-subtle, rgba(245, 158, 11, 0.08)) !important;
  border: 2px solid var(--primary, #F59E0B) !important;
  box-shadow: 0 0 0 1px var(--primary, #F59E0B), 0 4px 12px rgba(245, 158, 11, 0.15) !important;
}
.drill-option-card .opt-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 3px;
  transition: color 0.15s ease;
}
.drill-option-card.selected .opt-title {
  color: var(--primary-hover, #D97706) !important;
}
[data-theme="dark"] .drill-option-card.selected .opt-title {
  color: #F59E0B !important;
}
.drill-option-card .opt-desc {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Scorecard & Solution Cards */
.quiz-kpi-item {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 12px;
  text-align: center;
  transition: all 0.2s ease;
}
.quiz-kpi-item .kpi-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.quiz-kpi-item .kpi-val {
  font-size: 24px;
  font-weight: 900;
  margin-top: 3px;
}

.quiz-solution-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}
.quiz-solution-card:hover {
  box-shadow: var(--shadow-sm);
}
.quiz-solution-card .q-text {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 18px;
}
.quiz-solution-card .opt-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 10px;
  font-size: 14px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
  transition: all 0.15s ease;
}
.quiz-solution-card .opt-row.is-correct {
  background: rgba(16, 185, 129, 0.1) !important;
  border-color: #10B981 !important;
  color: var(--text-main) !important;
}
.quiz-solution-card .opt-row.is-wrong-selected {
  background: rgba(239, 68, 68, 0.1) !important;
  border-color: #EF4444 !important;
  color: var(--text-main) !important;
}
.quiz-solution-card .explanation-box {
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-left: 4px solid var(--primary, #F59E0B);
  color: var(--text-body);
  font-size: 13.5px;
  line-height: 1.65;
}

/* ============================================================
   26. SUCCESSWALA CBT PRO — 1-CLICK TEST BUILDER & QUESTION BANK
       MOBILE-FIRST RESPONSIVE ARCHITECTURE (320px - 768px)
       Desktop functionality & layouts are 100% preserved.
   ============================================================ */

@media (max-width: 768px) {
  /* Prevent horizontal page-level overflow */
  body, html, #app, .layout-admin, .content-area, .admin-main {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  /* 1-Click Test Builder Banner & Mode Switcher */
  .builder-pro-banner {
    padding: 12px !important;
  }
  .builder-mode-switcher-row {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }
  .builder-mode-switcher-row .btn {
    width: 100% !important;
    min-height: 42px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    font-size: 13px !important;
    padding: 8px 12px !important;
  }

  /* Step 2 Header & 1-Click Samples Bar */
  .builder-step2-header {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    margin-bottom: 14px !important;
  }
  .builder-samples-bar {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    align-items: center !important;
    width: 100% !important;
  }
  .sample-pill-btn {
    flex: 1 1 auto !important;
    min-height: 36px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11.5px !important;
    padding: 6px 10px !important;
  }

  /* Method Tabs: Clean Touch Stack */
  .builder-tabs {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    width: 100% !important;
    padding: 6px !important;
    margin-bottom: 16px !important;
  }
  .builder-tab {
    width: 100% !important;
    min-height: 44px !important;
    padding: 10px 14px !important;
    font-size: 13px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    border-radius: 8px !important;
    box-sizing: border-box !important;
    text-align: left !important;
  }

  /* Language Mode Pills */
  .lang-pills {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .lang-pill {
    flex: 1 1 auto !important;
    min-height: 38px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 12px !important;
    padding: 8px 12px !important;
    border-radius: 20px !important;
  }

  /* Question Navigator Jump Pills */
  .builder-nav-pills {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 6px 2px !important;
    gap: 6px !important;
    scrollbar-width: none !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .builder-nav-pills::-webkit-scrollbar {
    display: none !important;
  }
  .builder-nav-pill {
    min-width: 38px !important;
    height: 38px !important;
    flex-shrink: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 12.5px !important;
    font-weight: 800 !important;
    border-radius: 8px !important;
    cursor: pointer !important;
  }

  /* All Builder Form Layouts & Inputs */
  .builder-config-grid,
  .live-start-end-grid,
  .full-mock-section-grid,
  .grid-2 {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
  }

  .form-control,
  .form-group,
  input[type="text"],
  input[type="number"],
  input[type="datetime-local"],
  select,
  textarea {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-size: 14px !important;
  }

  /* Question Manual Cards (Mobile Compact & Stacked) */
  .question-manual-card {
    padding: 12px 10px !important;
    border-radius: 10px !important;
    margin-bottom: 16px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .question-manual-card > div:first-child {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .question-manual-card > div:first-child > div:first-child {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .question-manual-card > div:first-child > div:last-child {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 6px !important;
    width: 100% !important;
    padding-top: 8px !important;
    border-top: 1px dashed var(--border) !important;
  }
  .question-manual-card > div:first-child > div:last-child .btn {
    flex: 1 1 auto !important;
    min-height: 36px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11.5px !important;
    padding: 6px 10px !important;
  }

  /* Question & Solution Format Toolbars */
  .builder-format-toolbar {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 4px !important;
    padding: 4px 6px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .builder-format-btn {
    min-width: 32px !important;
    height: 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 12px !important;
    padding: 4px 8px !important;
  }
  .builder-format-toolbar-mini {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 3px !important;
  }
  .builder-format-btn-mini {
    min-width: 26px !important;
    height: 26px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11px !important;
    padding: 2px 4px !important;
  }

  /* Expandable Textareas (Zero horizontal overflow) */
  .builder-textarea-expandable,
  .builder-passage-expandable,
  .builder-option-expandable,
  .builder-raw-textarea {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    line-height: 1.55 !important;
    word-break: break-word !important;
  }
  .builder-raw-textarea {
    min-height: 260px !important;
    font-size: 12.5px !important;
  }

  /* Options Manual Boxes */
  .option-manual-box {
    padding: 12px 10px !important;
    border-radius: 8px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-bottom: 10px !important;
  }
  .option-manual-box input[type="radio"] {
    min-width: 22px !important;
    min-height: 22px !important;
    width: 22px !important;
    height: 22px !important;
    cursor: pointer !important;
  }

  /* JSON / CSV Editor Ribbon */
  .builder-editor-ribbon {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    padding: 12px 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .builder-editor-ribbon > div:last-child {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }
  .builder-editor-ribbon .btn,
  .builder-editor-ribbon label.btn {
    width: 100% !important;
    min-height: 42px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 13px !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }

  /* Bottom Actions Card */
  .builder-bottom-actions-card {
    padding: 14px 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .builder-bottom-actions-card > div {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
  }
  .builder-detect-wrap {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .builder-detect-wrap .btn,
  .builder-submit-btn,
  #_make_live_btn {
    width: 100% !important;
    min-height: 46px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    text-align: center !important;
  }

  /* ── 1-CLICK TEST BUILDER PRO MOBILE ENGINE ─────────────────── */
  /* Anti-squeezing protection: Never break builder labels, titles, or buttons into 1-letter vertical columns */
  .builder-pro-banner span,
  .builder-pro-banner label,
  .builder-pro-banner .btn,
  .builder-pro-banner button,
  .builder-ribbon-label,
  .builder-banner-title,
  .builder-floating-bar span,
  .builder-floating-bar .btn,
  .builder-floating-bar button,
  .builder-nav-title span,
  .builder-nav-actions .btn,
  .sample-pill-btn,
  .builder-tab {
    word-break: keep-all !important;
    overflow-wrap: normal !important;
  }

  /* Live Bulletin Card */
  .builder-live-bulletin-card {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .builder-live-bulletin-main {
    width: 100% !important;
  }
  .builder-live-bulletin-back {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* Pro Banner & Header Layout */
  .builder-pro-banner {
    padding: 12px 10px !important;
    border-radius: 10px !important;
  }
  .builder-banner-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .builder-banner-title-wrap {
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .builder-banner-title {
    font-size: 13.5px !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    white-space: normal !important;
    word-break: keep-all !important;
    display: inline-block !important;
  }
  .builder-banner-actions {
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .builder-banner-actions .btn,
  .builder-banner-actions .badge {
    flex: 1 1 calc(50% - 6px) !important;
    min-height: 36px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 11.5px !important;
    padding: 6px 10px !important;
    white-space: nowrap !important;
  }
  .builder-banner-actions #_draft_status_badge {
    flex: 1 1 100% !important;
  }

  /* Pro Tools Ribbon */
  .builder-pro-tools-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 6px !important;
    width: 100% !important;
    padding-top: 10px !important;
  }
  .builder-ribbon-label {
    width: 100% !important;
    display: block !important;
    font-size: 12px !important;
    font-weight: 800 !important;
    color: var(--text-main) !important;
    margin-bottom: 2px !important;
    white-space: normal !important;
    word-break: keep-all !important;
  }
  .builder-pro-tools-wrap {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .builder-pro-tools-wrap .btn,
  .builder-pro-tools-wrap .builder-pro-tool-btn {
    flex: 1 1 calc(50% - 6px) !important;
    min-height: 34px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 11px !important;
    padding: 6px 8px !important;
    white-space: normal !important;
    word-break: keep-all !important;
    border-radius: 6px !important;
  }

  /* Presets Ribbon */
  .builder-presets-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 6px !important;
    width: 100% !important;
    padding-top: 8px !important;
  }
  .builder-presets-wrap {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .builder-presets-wrap .sample-pill-btn {
    flex: 1 1 auto !important;
    min-height: 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 11px !important;
    padding: 6px 10px !important;
    white-space: nowrap !important;
    border-radius: 6px !important;
  }

  /* Main Title Card & Mode Switcher */
  .builder-main-title-card {
    padding: 12px 10px !important;
  }
  .builder-main-title-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  .builder-main-title-side {
    width: 100% !important;
  }
  .builder-main-title-side h2 {
    font-size: 17px !important;
    line-height: 1.35 !important;
  }
  .builder-main-action-side {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .builder-main-action-side .btn,
  .builder-main-action-side #_top_counter_badge,
  .builder-main-action-side a {
    flex: 1 1 calc(50% - 6px) !important;
    min-height: 36px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 12px !important;
  }
  .builder-main-action-side #_top_counter_badge {
    flex: 1 1 100% !important;
  }

  /* Question Navigator Card */
  .builder-nav-card {
    padding: 12px 10px !important;
  }
  .builder-nav-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .builder-nav-title {
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  .builder-nav-title .builder-ribbon-label {
    white-space: nowrap !important;
    word-break: keep-all !important;
    overflow-wrap: normal !important;
    font-size: 12.5px !important;
    margin: 0 !important;
    width: auto !important;
  }
  .builder-nav-actions {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .builder-nav-actions .btn {
    flex: 1 1 calc(50% - 6px) !important;
    min-height: 34px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 11.5px !important;
    padding: 6px 10px !important;
  }

  /* Spacer so content is never covered by bottom fixed bar */
  .builder-bottom-spacer {
    height: 125px !important;
    display: block !important;
  }

  /* Viewport Sticky Floating Action Bar on Mobile */
  .builder-floating-bar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box !important;
    padding: 8px 10px !important;
    z-index: 1000 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 6px !important;
  }
  .builder-floating-info {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
  }
  .builder-floating-actions,
  .builder-floating-bar > div:last-child {
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 2px 0 3px !important;
    scrollbar-width: none !important;
  }
  .builder-floating-actions::-webkit-scrollbar,
  .builder-floating-bar > div:last-child::-webkit-scrollbar {
    display: none !important;
  }
  .builder-floating-actions .btn,
  .builder-floating-actions button,
  .builder-floating-bar .btn,
  .builder-floating-bar button {
    flex: 0 0 auto !important;
    min-height: 36px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11.5px !important;
    font-weight: 800 !important;
    padding: 6px 11px !important;
    border-radius: 7px !important;
    white-space: nowrap !important;
    word-break: keep-all !important;
  }

  /* Modals: Universal 95vw Viewport Containment */
  .modal-overlay {
    padding: 10px !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .modal-overlay.active,
  .modal-overlay.open,
  .modal-overlay[style*="display: flex"],
  .modal-overlay[style*="display:flex"] {
    display: flex !important;
  }
  .modal-overlay[style*="display: none"],
  .modal-overlay[style*="display:none"],
  .modal-overlay.hidden,
  .modal-overlay[hidden],
  .modal-overlay:not(.active):not(.open)[style*="display: none"],
  .modal-overlay:not(.active):not(.open)[style*="display:none"] {
    display: none !important;
  }
  .modal {
    width: 95vw !important;
    max-width: 95vw !important;
    max-height: 90vh !important;
    margin: auto !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    border-radius: 12px !important;
  }
  .modal-body {
    flex: 1 1 auto !important;
    max-height: calc(88vh - 120px) !important;
    overflow-y: auto !important;
    padding: 14px 12px !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .modal-footer {
    flex-shrink: 0 !important;
    padding: 10px 14px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .modal-footer .btn {
    flex: 1 1 auto !important;
    min-height: 42px !important;
  }

  #_rich_modal_container {
    width: 100% !important;
    max-width: 100% !important;
  }
  #_rich_modal_container > div:nth-child(2) {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
  }
  #_rich_modal_text_en,
  #_rich_modal_text_hi {
    min-height: 200px !important;
    font-size: 13.5px !important;
  }

  /* Full Mock Builder (Multi-Section) Mobile Rules */
  .full-mock-metrics-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    width: 100% !important;
    margin-top: 10px !important;
  }
  .full-mock-metrics-row > div {
    border-left: none !important;
    padding-left: 0 !important;
    text-align: left !important;
    background: var(--surface-subtle) !important;
    padding: 8px 10px !important;
    border-radius: 6px !important;
    border: 1px solid var(--border) !important;
  }

  /* Question Bank Mobile Styles */
  .qbank-root {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }
  .qbank-stat-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .qbank-filter-card {
    padding: 12px 10px !important;
  }
  .qbank-filter-row {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .qbank-search-wrap {
    width: 100% !important;
    min-width: 0 !important;
  }
  .qbank-search-wrap input,
  .qbank-filter-row select,
  .qbank-filter-row .btn {
    width: 100% !important;
    min-width: 0 !important;
    min-height: 40px !important;
  }
  .qbank-pills {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: 6px !important;
    scrollbar-width: none !important;
  }
  .qbank-pills::-webkit-scrollbar {
    display: none !important;
  }
  .qbank-pill {
    flex-shrink: 0 !important;
    min-height: 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    padding: 4px 10px !important;
  }
  .qbank-table-desktop {
    display: none !important;
  }
  .qbank-cards-mobile {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    padding: 4px 0 !important;
    width: 100% !important;
  }
  .qbank-bulk-bar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 999 !important;
    border-radius: 14px 14px 0 0 !important;
    padding: 10px 12px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    box-sizing: border-box !important;
  }
  .qbank-bulk-bar > div {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  .qbank-bulk-bar .btn {
    flex: 1 1 auto !important;
    min-height: 38px !important;
    font-size: 12px !important;
  }
}

/* Extra-Compact Mobile (<= 360px: 320px, 360px phones) */
@media (max-width: 360px) {
  .qbank-stat-grid {
    grid-template-columns: 1fr !important;
  }
  .full-mock-metrics-row {
    grid-template-columns: 1fr !important;
  }
  .builder-tab {
    font-size: 11.5px !important;
    padding: 8px 10px !important;
  }
  .sample-pill-btn {
    font-size: 10.5px !important;
    padding: 5px 8px !important;
  }
  .builder-floating-bar button,
  .builder-floating-bar .btn {
    font-size: 11px !important;
    padding: 5px 8px !important;
  }
  .builder-pro-tools-wrap .btn,
  .builder-pro-tools-wrap .builder-pro-tool-btn,
  .builder-banner-actions .btn,
  .builder-main-action-side .btn,
  .builder-nav-actions .btn {
    flex: 1 1 100% !important;
    width: 100% !important;
  }
}