/* ═══════════════════════════════════════════════════════════════════════════
   LION CITY SCHOLAR AI — shared.css
   Load order in <head>:
     1. <script src="/theme.js"></script>   ← sync, sets data-theme before paint
     2. <script src="tailwind cdn"></script>
     3. <link href="google fonts" />
     4. <link rel="stylesheet" href="/shared.css" />  ← after Tailwind to override
     5. <style>per-page styles</style>
═══════════════════════════════════════════════════════════════════════════ */

/* ── 1. DARK THEME — Apple iOS / macOS style ─────────────────────────────── */
[data-theme="dark"] {
  --bg:           #000000;
  --bg2:          #1c1c1e;
  --card:         rgba(28,28,30,.92);
  --card-solid:   #1c1c1e;
  --border:       rgba(84,84,88,.36);
  --neon:         #0a84ff;
  --neon-dim:     rgba(10,132,255,.15);
  --nav-bg:       rgba(28,28,30,.94);
  --input-bg:     rgba(44,44,46,.6);
  --text-1:       #f5f5f7;   /* primary — Apple macOS dark primary */
  --text-2:       #e5e5e7;   /* secondary — clearly readable on dark */
  --text-3:       #aeaeb2;   /* tertiary — visible label text */
  --text-inv:     #000000;
  --text-muted-1: #98989d;   /* muted labels — still readable */
  --text-muted-2: #7c7c80;   /* subtle decorative — visible */
  --layer-1:      rgba(0,0,0,.85);
  --layer-2:      rgba(28,28,30,.95);
  --layer-3:      rgba(44,44,46,.9);
  --shadow:       0 4px 24px rgba(0,0,0,.5);
  --scrollbar:    #0a84ff;

  /* Semantic colours — iOS system palette */
  --clr-success:     #30d158;
  --clr-success-dim: rgba(48,209,88,.15);
  --clr-warning:     #ffd60a;
  --clr-warning-dim: rgba(255,214,10,.15);
  --clr-danger:      #ff453a;
  --clr-danger-dim:  rgba(255,69,58,.12);
  --clr-info:        #bf5af2;
  --clr-info-dim:    rgba(191,90,242,.12);

  /* Subject accent colours — iOS system palette */
  --clr-math:    #0a84ff;
  --clr-english: #bf5af2;
  --clr-science: #30d158;
  --clr-chinese: #ff9f0a;

  /* Apple design system tokens */
  --card-elevated: rgba(44,44,46,.65);
  --shadow-card: 0 0.5px 0 rgba(0,0,0,.12), 0 2px 8px rgba(0,0,0,.2);
  --shadow-soft: 0 2px 16px rgba(0,0,0,.3);
  --shadow-modal: 0 16px 68px rgba(0,0,0,.55), 0 2px 12px rgba(0,0,0,.3);
  --glass-bg: rgba(28,28,30,.72);
  --glass-border: rgba(255,255,255,.08);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
}

/* ── 2. LIGHT THEME — Apple iOS / macOS style ─────────────────────────────── */
[data-theme="light"] {
  --bg:           #f2f2f7;
  --bg2:          #ffffff;
  --card:         #ffffff;
  --card-solid:   #ffffff;
  --border:       rgba(60,60,67,.12);
  --neon:         #007aff;
  --neon-dim:     rgba(0,122,255,.08);
  --nav-bg:       rgba(249,249,249,.94);
  --input-bg:     #e5e5ea;
  --text-1:       #1d1d1f;   /* primary — Apple macOS light primary */
  --text-2:       #3c3c43;   /* secondary — clearly readable on white */
  --text-3:       #6e6e73;   /* tertiary — visible label text */
  --text-inv:     #ffffff;
  --text-muted-1: #86868b;   /* muted labels — readable on white */
  --text-muted-2: #aeaeb2;   /* subtle decorative — faint but visible */
  --layer-1:      rgba(255,255,255,.95);
  --layer-2:      rgba(255,255,255,.97);
  --layer-3:      rgba(242,242,247,.95);
  --shadow:       0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --scrollbar:    #007aff;

  /* Semantic colours — iOS system palette */
  --clr-success:     #248a3d;
  --clr-success-dim: rgba(52,199,89,.1);
  --clr-warning:     #c93400;
  --clr-warning-dim: rgba(255,149,0,.1);
  --clr-danger:      #d70015;
  --clr-danger-dim:  rgba(255,59,48,.08);
  --clr-info:        #8944ab;
  --clr-info-dim:    rgba(175,82,222,.08);

  /* Subject accent colours — iOS system palette */
  --clr-math:    #007aff;
  --clr-english: #8944ab;
  --clr-science: #248a3d;
  --clr-chinese: #c93400;

  /* Apple design system tokens */
  --card-elevated: #ffffff;
  --shadow-card: 0 0.5px 0 rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
  --shadow-soft: 0 1px 4px rgba(0,0,0,.06);
  --shadow-modal: 0 12px 48px rgba(0,0,0,.15), 0 2px 8px rgba(0,0,0,.08);
  --glass-bg: rgba(255,255,255,.82);
  --glass-border: rgba(0,0,0,.06);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
}

/* ── 3. GLOBAL RESETS ─────────────────────────────────────────────────────── */
body {
  background: var(--bg) !important;
  color: var(--text-1) !important;
  transition: background .25s ease, color .25s ease;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 3px; }

/* Smooth theme transitions — scoped to elements that actually change */
body, nav, footer, main, section,
.card, .glass-card, .step-card, .ph-card, .ai-stat, .trust-item,
.btn-primary, .btn-ghost, .hero-badge, .subj-pill,
.app-header, .bottom-nav, .tab-btn, .tab-view,
.pf-showcase, .pf-feature-card,
.ai-terminal, .ai-demo-card {
  transition: background-color .2s ease, border-color .2s ease, color .15s ease;
}

/* prefers-reduced-motion: disable decorative animations */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── 4. THEME TOGGLE BUTTON ───────────────────────────────────────────────── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  padding: 0;
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--neon);
  box-shadow: 0 0 10px var(--neon-dim);
}
[data-theme="light"] .theme-toggle {
  background: #ffffff;
  border-color: var(--border);
}

/* ── 5. LIGHT THEME — NAV / HEADER OVERRIDES ──────────────────────────────── */
[data-theme="light"] .top-bar,
[data-theme="light"] .exam-header,
[data-theme="light"] .app-header {
  background: var(--nav-bg) !important;
  border-color: var(--border) !important;
}
[data-theme="light"] .bottom-nav {
  background: rgba(249,249,249,.94) !important;
  border-top-color: var(--border) !important;
}

/* ── 6. LIGHT THEME — CARD / GLASS OVERRIDES ──────────────────────────────── */
[data-theme="light"] .glass {
  background: #ffffff !important;
  border: 1px solid rgba(60,60,67,.12) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.06) !important;
  border-radius: 24px !important;
}
[data-theme="light"] .exam-card {
  background: #ffffff !important;
  border: 1px solid rgba(60,60,67,.12) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.06) !important;
  border-radius: 24px !important;
}
[data-theme="light"] .exam-card:hover {
  border-color: rgba(60,60,67,.18) !important;
  box-shadow: 0 4px 12px rgba(0,0,0,.08) !important;
}
[data-theme="light"] .menu-row {
  background: #ffffff !important;
  border: 1px solid rgba(60,60,67,.12) !important;
  border-radius: 24px !important;
}
[data-theme="light"] .question-panel {
  background: #ffffff !important;
  border-color: var(--border) !important;
}

/* ── 7. LIGHT THEME — FILTER / BUTTON OVERRIDES ───────────────────────────── */
[data-theme="light"] .filter-btn {
  color: var(--text-3) !important;
  border-color: rgba(0,0,0,.12) !important;
}
[data-theme="light"] .filter-btn.active {
  color: var(--neon) !important;
  border-color: var(--neon) !important;
  background: var(--neon-dim) !important;
}
[data-theme="light"] .grade-btn {
  border-color: rgba(0,0,0,.12) !important;
  color: var(--text-3) !important;
}
[data-theme="light"] .grade-btn.selected {
  border-color: var(--neon) !important;
  color: var(--neon) !important;
  background: var(--neon-dim) !important;
}

/* ── 8. LIGHT THEME — INPUT OVERRIDES ─────────────────────────────────────── */
[data-theme="light"] .input {
  background: var(--input-bg) !important;
  border-color: var(--border) !important;
  color: var(--text-1) !important;
}
[data-theme="light"] .input::placeholder { color: var(--text-muted-1) !important; }
[data-theme="light"] .answer-input {
  background: var(--bg) !important;
  border-color: var(--border) !important;
  color: var(--text-1) !important;
}
[data-theme="light"] .answer-input::placeholder { color: var(--text-muted-1) !important; }

/* ── 9. LIGHT THEME — MCQ OPTION OVERRIDES ────────────────────────────────── */
[data-theme="light"] .mcq-option {
  background: #f8fafc !important;
  border-color: rgba(0,0,0,.1) !important;
}
[data-theme="light"] .mcq-option:hover {
  background: #f3f4f6 !important;
  border-color: #94a3b8 !important;
}
[data-theme="light"] .mcq-option.selected {
  background: rgba(0,122,255,.06) !important;
  border-color: var(--neon) !important;
}
[data-theme="light"] .option-letter {
  background: rgba(0,0,0,.05) !important;
  color: var(--text-3) !important;
}

/* ── 10. LIGHT THEME — SCORE / PROGRESS BARS ──────────────────────────────── */
[data-theme="light"] .score-bar,
[data-theme="light"] .prog-bar {
  background: rgba(0,0,0,.07) !important;
}

/* ── 11. LIGHT THEME — UPLOAD ZONE ────────────────────────────────────────── */
[data-theme="light"] .upload-zone {
  border-color: var(--border) !important;
}
[data-theme="light"] .upload-zone.drag-over {
  border-color: var(--neon) !important;
  background: rgba(0,122,255,.06) !important;
}

/* ── 12. LIGHT THEME — SOCIAL LOGIN BUTTONS ───────────────────────────────── */
[data-theme="light"] .social {
  background: #f8fafc !important;
  border-color: rgba(0,0,0,.12) !important;
  color: var(--text-2) !important;
}

/* ── 13. LIGHT THEME — MISC TEXT ──────────────────────────────────────────── */
[data-theme="light"] .tab-btn { color: var(--text-muted-1) !important; }
[data-theme="light"] .stat-chip { color: var(--text-muted-1) !important; }
[data-theme="light"] .gep-badge {
  background: rgba(52,199,89,.1) !important;
  border-color: rgba(52,199,89,.2) !important;
  color: #248a3d !important;
}
[data-theme="light"] .timer-badge {
  background: rgba(0,122,255,.06) !important;
  border-color: rgba(0,122,255,.2) !important;
  color: var(--neon) !important;
}
[data-theme="light"] .hint-box {
  background: rgba(255,149,0,.08) !important;
  border-color: rgba(255,149,0,.2) !important;
}
[data-theme="light"] .explanation-box {
  background: var(--bg) !important;
  border-color: var(--border) !important;
  color: var(--text-2) !important;
}
[data-theme="light"] .hint-box p { color: #c93400 !important; }
[data-theme="light"] .role-box {
  background: var(--bg) !important;
  border-color: var(--border) !important;
  color: var(--text-3) !important;
}
[data-theme="light"] .role-box.selected {
  background: var(--neon-dim) !important;
  border-color: var(--neon) !important;
  color: var(--neon) !important;
}

/* ── 14. LIGHT THEME — GRID BACKGROUNDS ───────────────────────────────────── */
[data-theme="light"] .grid-bg {
  background-image: none !important;
  background-color: #ffffff !important;
}
[data-theme="light"] .hero-glow::before {
  background: none !important;
}

/* ── 15. LIGHT THEME — STEP / PREVIEW CARDS (index.html) ─────────────────── */
[data-theme="light"] .step-card {
  background: #ffffff !important;
  border-color: var(--border) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.04) !important;
}
[data-theme="light"] .ai-card {
  animation: none !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.04) !important;
  border-color: var(--neon) !important;
}
[data-theme="light"] .preview-card {
  background: #ffffff !important;
  border-color: var(--border) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.04) !important;
}
[data-theme="light"] .subj-pill {
  background: var(--bg) !important;
  border-color: var(--border) !important;
  color: var(--text-2) !important;
}

/* ── 15b. LIGHT THEME — mistake-bank.html ─────────────────────────────────── */
/* Glass text — prevent white-on-white (exclude buttons with coloured bg) */
[data-theme="light"] .glass .text-white:not(.btn-neon),
[data-theme="light"] .glass .nunito.font-bold:not(.btn-neon) { color: var(--text-1) !important; }
[data-theme="light"] .glass .text-slate-300 { color: var(--text-2) !important; }
[data-theme="light"] .glass .text-slate-400 { color: var(--text-3) !important; }
[data-theme="light"] .glass .text-slate-500,
[data-theme="light"] .glass .text-slate-600 { color: var(--text-muted-1) !important; }
/* Filter bar active state */
[data-theme="light"] .filter-btn.shrink-0 {
  border-color: rgba(0,0,0,.12) !important;
  color: var(--text-3) !important;
}
[data-theme="light"] .filter-btn.shrink-0.active-filter,
[data-theme="light"] #filterAll.border-cyan-600 {
  border-color: var(--neon) !important;
  color: var(--neon) !important;
  background: var(--neon-dim) !important;
}
/* Subject tabs */
[data-theme="light"] .stab:not(.active-stab) { color: var(--text-3) !important; border-color: rgba(0,0,0,.12) !important; }
/* Modal backdrop */
[data-theme="light"] .modal-bg { background: rgba(8,20,40,.55) !important; }
/* Badge pills inside glass in light mode */
[data-theme="light"] .glass .badge-pending  { background: rgba(255,149,0,.08) !important; }
[data-theme="light"] .glass .badge-analyzed { background: rgba(0,122,255,.08) !important; }
[data-theme="light"] .glass .badge-mastered { background: rgba(52,199,89,.08) !important; }
/* Concept chips inside the AI analysis modal */
.concept-chip {
  display: inline-block;
  font-size: .72rem;
  padding: 3px 12px;
  border-radius: 9999px;
  background: rgba(10,132,255,.12);
  color: #0a84ff;
  border: 1px solid rgba(10,132,255,.25);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
}
[data-theme="light"] .concept-chip {
  background: rgba(0,122,255,.08);
  color: #007aff;
  border: 1px solid rgba(0,122,255,.2);
}
/* ── Analysis modal — comprehensive light-mode colour overrides ──────────── */
/* Amber / yellow (medium badge, pending status) */
[data-theme="light"] #mb-modalContent .text-amber-400,
[data-theme="light"] #mb-modalContent .text-yellow-400  { color: #c93400 !important; }
[data-theme="light"] #mb-modalContent .bg-amber-900\/40  { background: rgba(255,149,0,.08) !important; }
[data-theme="light"] #mb-modalContent .border-amber-800  { border-color: rgba(255,149,0,.25) !important; }
/* Cyan → Blue (section icons, step numbers, analyzed status) */
[data-theme="light"] #mb-modalContent .text-cyan-400,
[data-theme="light"] #mb-modalContent .text-cyan-500,
[data-theme="light"] #mb-modalContent .text-cyan-600     { color: #007aff !important; }
[data-theme="light"] #mb-modalContent .bg-cyan-900\/40,
[data-theme="light"] #mb-modalContent .bg-cyan-900\/50   { background: rgba(0,122,255,.08) !important; }
[data-theme="light"] #mb-modalContent .border-cyan-700,
[data-theme="light"] #mb-modalContent .border-cyan-800   { border-color: rgba(0,122,255,.2) !important; }
/* Emerald → Green (mastered status, easy badge) */
[data-theme="light"] #mb-modalContent .text-emerald-400  { color: #248a3d !important; }
[data-theme="light"] #mb-modalContent .bg-emerald-900\/40 { background: rgba(52,199,89,.08) !important; }
[data-theme="light"] #mb-modalContent .border-emerald-700,
[data-theme="light"] #mb-modalContent .border-emerald-800 { border-color: rgba(52,199,89,.25) !important; }
/* Red (hard badge, What Went Wrong header) */
[data-theme="light"] #mb-modalContent .text-red-400,
[data-theme="light"] #mb-modalContent .text-red-500      { color: #d70015 !important; }
[data-theme="light"] #mb-modalContent .bg-red-900\/40    { background: rgba(255,59,48,.08) !important; }
[data-theme="light"] #mb-modalContent .border-red-900    { border-color: rgba(255,59,48,.2) !important; }
/* Violet → Purple (encouragement card) */
[data-theme="light"] #mb-modalContent .text-violet-300   { color: #8944ab !important; }
[data-theme="light"] #mb-modalContent .bg-violet-900\/20  { background: rgba(175,82,222,.07) !important; }
[data-theme="light"] #mb-modalContent .border-violet-800\/50 { border-color: rgba(175,82,222,.2) !important; }
/* Slate utility text inside modal */
[data-theme="light"] #mb-modalContent .text-slate-500    { color: var(--text-muted-1) !important; }

/* ── 15c. LIGHT THEME — dashboard.html ─────────────────────────────────────── */
[data-theme="light"] .hero-card {
  background: linear-gradient(135deg, rgba(0,122,255,.04) 0%, rgba(175,82,222,.04) 100%) !important;
  border-color: var(--border) !important;
}
[data-theme="light"] .hero-card h1 { color: var(--text-1) !important; }
[data-theme="light"] .stat-pill {
  background: var(--card) !important;
  border-color: var(--border) !important;
}
[data-theme="light"] .subject-card { background: #ffffff !important; border: 1px solid rgba(60,60,67,.12) !important; box-shadow: 0 1px 3px rgba(0,0,0,.06) !important; border-radius: 24px !important; }
[data-theme="light"] .card { color: var(--text-1) !important; }
[data-theme="light"] .menu-row { color: var(--text-1) !important; }
[data-theme="light"] .app-shell {
  background: #ffffff !important;
}

/* ── 16. RESPONSIVE — UTILITY CLASSES ─────────────────────────────────────── */
@media (max-width: 767px) {
  .hide-phone { display: none !important; }
  .show-phone { display: block !important; }
  .show-phone-flex { display: flex !important; }
}
@media (min-width: 768px) and (max-width: 1279px) {
  .hide-tablet { display: none !important; }
  .show-tablet { display: block !important; }
  .show-tablet-flex { display: flex !important; }
}
@media (min-width: 1280px) {
  .hide-laptop { display: none !important; }
  .show-laptop { display: block !important; }
  .show-laptop-flex { display: flex !important; }
}

/* ── 17. RESPONSIVE — index.html ──────────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1279px) {
  .index-hero-container { max-width: 700px !important; }
}
@media (min-width: 1280px) {
  .index-hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 64px;
    max-width: 1120px;
    margin: 0 auto;
    text-align: left;
  }
  .index-hero-section .hero-buttons { justify-content: flex-start !important; }
  .index-hero-section .hero-pills  { justify-content: flex-start !important; }
  .index-trust-grid { grid-template-columns: repeat(4, 1fr) !important; }
}

/* ── 18. RESPONSIVE — login.html ──────────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1279px) {
  .left-panel { width: 44% !important; padding: 36px 40px !important; }
}
@media (min-width: 1280px) {
  .left-panel { width: 40% !important; padding: 56px 64px !important; }
}

/* ── 19. RESPONSIVE — dashboard.html ─────────────────────────────────────── */

/* Desktop sidebar — hidden by default, shown at ≥1280px */
.desk-sidebar { display: none; }
.desk-nav-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 14px;
  border-radius: 13px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: .95rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  width: 100%;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.desk-nav-btn:hover  { background: var(--neon-dim); color: var(--neon); }
.desk-nav-btn.active { background: var(--neon-dim); color: var(--neon); }
[data-theme="light"] .desk-nav-btn { color: var(--text-2); }
[data-theme="light"] .desk-nav-btn:hover,
[data-theme="light"] .desk-nav-btn.active { color: var(--neon); background: var(--neon-dim); }

@media (min-width: 768px) and (max-width: 1279px) {
  .app-inner { max-width: 92vw !important; margin-left: auto !important; margin-right: auto !important; }
  .bottom-nav { max-width: 92vw !important; left: 0 !important; right: 0 !important; margin: 0 auto !important; transform: none !important; }
  #subjectCards { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (min-width: 1280px) {
  /* Show left sidebar on desktop */
  .desk-sidebar {
    display: flex !important;
    flex-direction: column;
    width: 220px;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    background: var(--nav-bg);
    border-right: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 45;
    padding: 0 12px 20px;
    gap: 2px;
    overflow-y: auto;
  }
  /* Offset content behind sidebar */
  .app-shell > .app-inner {
    margin-left: 220px !important;
    max-width: calc(100vw - 220px) !important;
  }
  /* Hide bottom nav on desktop */
  .app-shell > .bottom-nav { display: none !important; }
  .tab-view {
    padding-bottom: 40px !important;
    padding-left: 28px !important;
    padding-right: 28px !important;
  }
  /* 3-col subjects grid on desktop */
  #subjectCards { grid-template-columns: repeat(3, 1fr) !important; }
}

/* ── 20. RESPONSIVE — exams.html ──────────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1279px) {
  .exams-content { max-width: 720px !important; }
  #paperGrid { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (min-width: 1280px) {
  .exams-content { max-width: 1120px !important; }
  #paperGrid { grid-template-columns: repeat(3, 1fr) !important; }
  .exams-filters { display: flex !important; gap: 28px !important; align-items: flex-start !important; }
  .exams-filters > div { flex: 1 !important; }
}

/* ── 21. RESPONSIVE — exam-take.html ─────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1279px) {
  .exam-body-flex { flex-direction: row !important; align-items: flex-start !important; }
  #qNavPanel {
    width: 210px !important;
    flex-shrink: 0 !important;
    margin-right: 20px !important;
    margin-bottom: 0 !important;
    position: sticky !important;
    top: 76px !important;
    align-self: flex-start !important;
  }
  .mcq-option { padding: 16px 18px !important; font-size: .95rem !important; }
}
@media (min-width: 1280px) {
  .exam-body-flex { flex-direction: row !important; align-items: flex-start !important; }
  #qNavPanel {
    width: 230px !important;
    flex-shrink: 0 !important;
    margin-right: 32px !important;
    margin-bottom: 0 !important;
    position: sticky !important;
    top: 76px !important;
    align-self: flex-start !important;
  }
  #questionArea { max-width: 720px !important; }
  .mcq-option { padding: 18px 22px !important; font-size: 1rem !important; }
}

/* ── 23. LIGHT THEME — ADDITIONAL POLISH ──────────────────────────────────── */

/* Hero card glow blob — remove in light mode */
[data-theme="light"] .hero-card::before { background: none !important; }

/* Spinner — dark border in light mode */
[data-theme="light"] .spinner {
  border-color: rgba(0,0,0,.12) !important;
  border-top-color: var(--neon) !important;
}

/* Upload FAB / centre tab button — soften glow */
[data-theme="light"] .tab-upload-btn {
  box-shadow: 0 4px 12px rgba(0,0,0,.15), 0 2px 6px rgba(0,0,0,.08) !important;
}

/* Neon text glow — remove halo in light mode */
[data-theme="light"] .neon-text {
  text-shadow: none !important;
  color: var(--neon) !important;
}

/* btn-neon — solid Apple blue in light */
[data-theme="light"] .btn-neon {
  background: #007aff !important;
  color: #ffffff !important;
  border-color: transparent !important;
  box-shadow: 0 2px 8px rgba(0,0,0,.1) !important;
}
[data-theme="light"] .btn-neon:hover {
  background: #0071e3 !important;
  box-shadow: 0 4px 14px rgba(0,0,0,.15) !important;
}

/* Glass-hover border — ensure visible in light */
[data-theme="light"] .glass-hover:hover {
  border-color: #94a3b8 !important;
}

/* Badge text + borders */
[data-theme="light"] .badge-analyzed {
  color: #007aff !important;
  border-color: rgba(0,122,255,.25) !important;
}
[data-theme="light"] .badge-pending {
  color: #c93400 !important;
  border-color: rgba(255,149,0,.3) !important;
}
[data-theme="light"] .badge-mastered {
  color: #248a3d !important;
  border-color: rgba(52,199,89,.3) !important;
}

/* Step connector + step number chips */
[data-theme="light"] .step-item {
  border-left-color: var(--border) !important;
}
[data-theme="light"] .step-num {
  background: rgba(0,122,255,.06) !important;
  border-color: rgba(0,122,255,.2) !important;
  color: #007aff !important;
}

/* Exam & subject card colour backgrounds — light tints */
[data-theme="light"] .bg-math    { background: rgba(0,122,255,.06) !important; }
[data-theme="light"] .bg-english { background: rgba(175,82,222,.06) !important; }
[data-theme="light"] .bg-science { background: rgba(52,199,89,.06) !important; }
[data-theme="light"] .bg-chinese { background: rgba(255,149,0,.06) !important; }

/* Exam & subject card colour text — accessible in light */
[data-theme="light"] .col-math    { color: #007aff !important; }
[data-theme="light"] .col-english { color: #8944ab !important; }
[data-theme="light"] .col-science { color: #248a3d !important; }
[data-theme="light"] .col-chinese { color: #c93400 !important; }

/* Exam-take — current Q nav button */
[data-theme="light"] .q-nav-btn.current {
  color: #007aff !important;
  background: rgba(0,122,255,.08) !important;
  border-color: #007aff !important;
}
[data-theme="light"] .q-nav-btn.answered {
  border-color: rgba(0,122,255,.25) !important;
  background: rgba(0,122,255,.06) !important;
}

/* Modal pre text */
[data-theme="light"] #mb-modalContent .text-cyan-300,
[data-theme="light"] #mb-modalContent pre.text-cyan-300 { color: #007aff !important; }

/* GEP paper card tinted bg classes */
[data-theme="light"] .bg-violet-900\/15 { background-color: rgba(175,82,222,.06) !important; }
[data-theme="light"] .bg-amber-900\/15  { background-color: rgba(255,149,0,.06) !important; }
[data-theme="light"] .bg-cyan-900\/15   { background-color: rgba(0,122,255,.06) !important; }
[data-theme="light"] .bg-emerald-900\/15{ background-color: rgba(52,199,89,.06) !important; }

/* Mistake-bank filter tabs — inactive border too dark */
[data-theme="light"] .stab {
  border-color: rgba(0,0,0,.12) !important;
  color: var(--text-3) !important;
  background: transparent !important;
}
[data-theme="light"] .stab.active-stab {
  border-color: var(--neon) !important;
  color: var(--neon) !important;
  background: var(--neon-dim) !important;
}

/* Status badges inside JS-rendered cards (mistake-bank subject tabs) */
[data-theme="light"] .border-slate-700 { border-color: var(--border) !important; }
[data-theme="light"] .text-slate-400   { color: var(--text-3) !important; }

/* Per-question correct/wrong review rows in exam results */
[data-theme="light"] .review-correct {
  background: rgba(52,199,89,.06) !important;
  border-color: rgba(52,199,89,.2) !important;
}
[data-theme="light"] .review-wrong {
  background: rgba(255,59,48,.06) !important;
  border-color: rgba(255,59,48,.2) !important;
}

/* ── 24. LIGHT THEME — login.html ─────────────────────────────────────────── */
[data-theme="light"] .alert.err {
  background: rgba(255,59,48,.06) !important;
  border-color: rgba(255,59,48,.15) !important;
  color: #d70015 !important;
}
[data-theme="light"] .alert.ok {
  background: rgba(52,199,89,.06) !important;
  border-color: rgba(52,199,89,.15) !important;
  color: #248a3d !important;
}
[data-theme="light"] .feature-icon {
  background: rgba(0,122,255,.06) !important;
  border-color: rgba(0,122,255,.12) !important;
}
[data-theme="light"] .left-panel {
  background-image: none !important;
  background: var(--bg) !important;
}
[data-theme="light"] .right-panel {
  background: #ffffff !important;
}
[data-theme="light"] .role-lbl input:checked + .role-box {
  border-color: var(--neon) !important;
  background: rgba(0,122,255,.06) !important;
  color: var(--neon) !important;
  box-shadow: 0 0 0 1px rgba(0,122,255,.1) !important;
}
[data-theme="light"] .social {
  background: #ffffff !important;
  border-color: var(--border) !important;
}
[data-theme="light"] .social:hover {
  background: var(--bg) !important;
  border-color: var(--neon) !important;
}

/* ── 25. LIGHT THEME — exam-take.html additional ──────────────────────────── */
[data-theme="light"] .top-bar {
  background: rgba(249,249,249,.94) !important;
  border-bottom-color: var(--border) !important;
}
[data-theme="light"] .exam-header {
  background: rgba(249,249,249,.94) !important;
  border-bottom-color: var(--border) !important;
}

/* Q-nav buttons — readable colours in light */
[data-theme="light"] .q-nav-btn {
  border-color: var(--border) !important;
  color: var(--text-3) !important;
}
[data-theme="light"] .q-nav-btn.answered {
  border-color: rgba(0,122,255,.25) !important;
  background: rgba(0,122,255,.06) !important;
  color: #007aff !important;
}
[data-theme="light"] .q-nav-btn.current {
  border-color: #007aff !important;
  background: rgba(0,122,255,.08) !important;
  color: #007aff !important;
}
[data-theme="light"] .q-nav-btn.correct {
  border-color: rgba(52,199,89,.3) !important;
  background: rgba(52,199,89,.06) !important;
  color: #248a3d !important;
}
[data-theme="light"] .q-nav-btn.wrong {
  border-color: rgba(255,59,48,.3) !important;
  background: rgba(255,59,48,.06) !important;
  color: #d70015 !important;
}

/* Timer badge states in light mode */
[data-theme="light"] .timer-badge {
  background: rgba(0,122,255,.06) !important;
  border-color: rgba(0,122,255,.15) !important;
  color: #007aff !important;
}
[data-theme="light"] .timer-badge.warn {
  background: rgba(255,149,0,.08) !important;
  border-color: rgba(255,149,0,.2) !important;
  color: #c93400 !important;
}
[data-theme="light"] .timer-badge.urgent {
  background: rgba(255,59,48,.06) !important;
  border-color: rgba(255,59,48,.2) !important;
  color: #d70015 !important;
}

/* MCQ selected state — ensure text readable */
[data-theme="light"] .mcq-option.selected {
  background: rgba(0,122,255,.06) !important;
  border-color: var(--neon) !important;
}
[data-theme="light"] .mcq-option.correct {
  background: rgba(52,199,89,.06) !important;
  border-color: rgba(52,199,89,.25) !important;
}
[data-theme="light"] .mcq-option.wrong {
  background: rgba(255,59,48,.05) !important;
  border-color: rgba(255,59,48,.2) !important;
}

/* Score pill colours */
[data-theme="light"] .score-distinction { color: #248a3d !important; }
[data-theme="light"] .score-merit       { color: #007aff !important; }
[data-theme="light"] .score-pass        { color: #c93400 !important; }
[data-theme="light"] .score-fail        { color: #d70015 !important; }

/* GEP badge in dashboard subjects */
[data-theme="light"] .badge[style*="#34d399"],
[data-theme="light"] .badge[style*="065f46"] {
  color: #248a3d !important;
  border-color: rgba(52,199,89,.25) !important;
  background: rgba(52,199,89,.06) !important;
}

/* ── 22. RESPONSIVE — mistake-bank.html ───────────────────────────────────── */
.mb-main-layout > *:last-child { min-width: 0; overflow: hidden; }
@media (min-width: 768px) and (max-width: 1279px) {
  .mb-content { max-width: 880px !important; }
  .mb-main-layout {
    display: grid !important;
    grid-template-columns: 250px minmax(0, 1fr) !important;
    gap: 20px !important;
    align-items: flex-start !important;
  }
  .mb-sidebar { position: sticky !important; top: 80px !important; }
}
@media (min-width: 1280px) {
  .mb-content { max-width: 1120px !important; }
  .mb-main-layout {
    display: grid !important;
    grid-template-columns: 290px minmax(0, 1fr) !important;
    gap: 28px !important;
    align-items: flex-start !important;
  }
  .mb-sidebar { position: sticky !important; top: 80px !important; }
}
/* Pagination controls */
.mb-pagination {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  padding: 12px 0;
}
.mb-pg-btn {
  min-width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; cursor: pointer;
  border: 1px solid var(--border); color: var(--text-2);
  background: transparent; transition: all .15s;
  font-family: 'JetBrains Mono', monospace;
}
.mb-pg-btn:hover { background: var(--neon-dim); color: var(--neon); border-color: var(--neon); }
.mb-pg-btn.active { background: var(--neon); color: #fff; border-color: var(--neon); }
.mb-pg-btn:disabled { opacity: .3; cursor: default; pointer-events: none; }
.mb-pg-info {
  font-size: .7rem; color: var(--text-muted-1);
  font-family: 'JetBrains Mono', monospace; padding: 0 8px;
}

/* ── 23b. LIGHT THEME — mistake-bank additional overrides ─────────────────── */

/* GEP section paper titles + bullet accents */
[data-theme="light"] #gepSection .text-violet-400  { color: #8944ab !important; }
[data-theme="light"] #gepSection .text-cyan-400    { color: #007aff !important; }
[data-theme="light"] #gepSection .text-amber-400   { color: #c93400 !important; }
[data-theme="light"] #gepSection .text-emerald-400 { color: #248a3d !important; }

/* Analysis modal — answer box */
[data-theme="light"] #mb-modalContent .bg-emerald-900\/20     { background: rgba(52,199,89,.06) !important; }
[data-theme="light"] #mb-modalContent .border-emerald-800\/60 { border-color: rgba(52,199,89,.2) !important; }
[data-theme="light"] #mb-modalContent .text-emerald-400       { color: #248a3d !important; }

/* Analysis modal — missed button bg */
[data-theme="light"] #mb-modalContent .bg-red-900\/30 { background: rgba(255,59,48,.06) !important; }

/* Analysis modal — practice section */
[data-theme="light"] #mb-modalContent .bg-violet-900\/40 { background: rgba(175,82,222,.08) !important; }
[data-theme="light"] #mb-modalContent .border-violet-800  { border-color: rgba(175,82,222,.2) !important; }
[data-theme="light"] #mb-modalContent .text-violet-400    { color: #8944ab !important; }

/* Global: Tailwind cyan-400/300 — fix outside modal too (loadMore link, etc.) */
[data-theme="light"] .text-cyan-400               { color: var(--neon) !important; }
[data-theme="light"] .text-cyan-300               { color: var(--neon) !important; }
[data-theme="light"] .hover\:text-cyan-300:hover  { color: var(--neon) !important; }

/* ── 23c. LIGHT THEME — dashboard.html static elements ─────────────────────── */
/* Stat pills — Analysed and Mastered */
[data-theme="light"] #statAnalysed  { color: #248a3d !important; }
[data-theme="light"] #statMastered  { color: #8944ab !important; }
/* Dashboard header stat strip */
[data-theme="light"] #dashStatAnalysed { color: #007aff !important; }
[data-theme="light"] #dashStatMastered { color: #8944ab !important; }
[data-theme="light"] #dashStatTotal    { color: #000000 !important; }
/* Profile-setup card heading */
[data-theme="light"] #profileSetup .nunito { color: #c93400 !important; }
/* Sign-out buttons */
[data-theme="light"] [onclick="logout()"] { color: #d70015 !important; }

/* ── 23d. LIGHT THEME — exam-take.html ──────────────────────────────────────── */

/* Timer badge states */
[data-theme="light"] .timer-badge.warn   { color: #c93400 !important; }
[data-theme="light"] .timer-badge.urgent { color: #d70015 !important; }

/* Q-nav button result states */
[data-theme="light"] .q-nav-btn.correct { color: #248a3d !important; border-color: rgba(52,199,89,.4) !important; background: rgba(52,199,89,.1) !important; }
[data-theme="light"] .q-nav-btn.wrong   { color: #d70015 !important; border-color: rgba(255,59,48,.35) !important; background: rgba(255,59,48,.06) !important; }

/* MCQ option letter bubbles */
[data-theme="light"] .mcq-option.correct    .option-letter { color: #248a3d !important; background: rgba(52,199,89,.15) !important; }
[data-theme="light"] .mcq-option.wrong      .option-letter { color: #d70015 !important; background: rgba(255,59,48,.12) !important; }
[data-theme="light"] .mcq-option.show-correct .option-letter { color: #248a3d !important; background: rgba(52,199,89,.1) !important; }

/* ═══════════════════════════════════════════════════════════════════════════
   SHARED ANIMATIONS — defined once, used across all pages
   ═══════════════════════════════════════════════════════════════════════ */
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes pulse   { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes float   { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ═══════════════════════════════════════════════════════════════════════════
   SHARED UTILITY CLASSES — avoids duplication across HTML files
   ═══════════════════════════════════════════════════════════════════════ */
.nunito  { font-family: 'Nunito', sans-serif; }
.mono    { font-family: 'JetBrains Mono', monospace; }
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

/* Screen-reader only — visible on focus for skip-links */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.sr-only:focus {
  position: static; width: auto; height: auto;
  padding: 8px 16px; margin: 0; overflow: visible;
  clip: auto; white-space: normal;
  background: var(--neon); color: var(--text-inv);
  font-size: .875rem; font-weight: 600;
  border-radius: 6px; z-index: 9999;
}

/* ═══════════════════════════════════════════════════════════════════════════
   PAGE-SPECIFIC STYLES — consolidated from inline <style> blocks
   Each page adds a body class: .pg-login, .pg-forgot, .pg-exam, etc.
   ═══════════════════════════════════════════════════════════════════════ */

/* ── 26  Shared auth form styles (.pg-auth: login + forgot-password) ───── */
.pg-auth { font-family: 'Inter', sans-serif; margin: 0; min-height: 100vh; }
.pg-auth .card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; }
.pg-auth .label { display: block; font-size: .9rem; font-weight: 500; color: var(--text-3); margin-bottom: 6px; }
.pg-auth .input {
  width: 100%; padding: 12px 14px; border-radius: 10px; font-size: 1rem;
  background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text-1); outline: none; transition: border-color .2s, box-shadow .2s;
}
.pg-auth .input:focus { border-color: rgba(10,132,255,.5); box-shadow: 0 0 0 3px rgba(10,132,255,.08); }
.pg-auth .input::placeholder { color: var(--text-muted-1); }
.pg-auth .btn {
  width: 100%; padding: 13px; border-radius: 10px; font-size: 1rem; font-weight: 700;
  background: linear-gradient(135deg, #007aff, #007aff); color: #fff;
  border: none; cursor: pointer; transition: all .2s;
}
.pg-auth .btn:hover { background: linear-gradient(135deg, #007aff, #3a9eff); box-shadow: 0 4px 20px rgba(10,132,255,.25); transform: translateY(-1px); }
.pg-auth .btn:active { transform: translateY(0); }
.pg-auth .btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.pg-auth .alert { border-radius: 10px; padding: 10px 14px; font-size: .88rem; margin-bottom: 16px; display: none; }
.pg-auth .alert.err { background: rgba(127,29,29,.4); border: 1px solid rgba(239,68,68,.25); color: #fca5a5; }
.pg-auth .alert.ok { background: rgba(6,78,59,.4); border: 1px solid rgba(52,211,153,.25); color: #6ee7b7; }

/* ── 27  Page: Login (.pg-login) ─────────────────────────────────────────── */
.pg-login .layout { display: flex; min-height: 100vh; }
.pg-login .left-panel {
  width: 45%; flex-shrink: 0;
  background: linear-gradient(160deg, var(--bg2) 0%, var(--bg) 100%);
  background-image:
    radial-gradient(ellipse 70% 50% at 20% 30%, rgba(10,132,255,.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 80% 80%, rgba(99,102,241,.06) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 48px 56px; position: relative; overflow: hidden;
}
.pg-login .right-panel {
  flex: 1; background: var(--bg2); display: flex; align-items: center;
  justify-content: center; padding: 40px 32px; overflow-y: auto;
}
.pg-login .mobile-header { display: none; }
.pg-login .tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.pg-login .tab {
  flex: 1; padding: 13px; text-align: center; font-size: .95rem; font-weight: 600;
  color: var(--text-3); cursor: pointer; border-bottom: 2px solid transparent;
  transition: all .2s; background: none; border-left: none; border-right: none; border-top: none;
}
.pg-login .tab.active { color: var(--neon); border-bottom-color: var(--neon); }
.pg-login .tab:hover:not(.active) { color: var(--text-2); }
.pg-login .panel { display: none; }
.pg-login .panel.active { display: block; }
.pg-login .forgot-link {
  background: none; border: none; color: var(--neon); font-size: .85rem; font-weight: 500;
  cursor: pointer; padding: 0; transition: opacity .2s;
}
.pg-login .forgot-link:hover { opacity: .8; }
.pg-login .role-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pg-login .role-lbl { cursor: pointer; }
.pg-login .role-lbl input { display: none; }
.pg-login .role-box {
  padding: 11px 8px; border-radius: 10px; text-align: center; font-size: .9rem; font-weight: 600;
  border: 1px solid var(--border); background: var(--input-bg); color: var(--text-3);
  transition: all .18s;
}
.pg-login .role-lbl input:checked + .role-box {
  border-color: rgba(10,132,255,.5); background: rgba(10,132,255,.08); color: var(--neon);
  box-shadow: 0 0 0 1px rgba(10,132,255,.15);
}
.pg-login .role-box:hover { background: var(--neon-dim); color: var(--text-2); }
.pg-login .feature { display: flex; align-items: flex-start; gap: 10px; }
.pg-login .feature-icon {
  width: 34px; height: 34px; border-radius: 8px; background: rgba(10,132,255,.08);
  border: 1px solid rgba(10,132,255,.15); display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.pg-login .float { animation: float 4s ease-in-out infinite; }
.pg-login .pulse { animation: pulse 2s infinite; }
@media (max-width: 768px) {
  .pg-login .layout { flex-direction: column; }
  .pg-login .left-panel { display: none; }
  .pg-login .right-panel {
    flex: 1; min-height: 100vh; padding: 0;
    align-items: flex-start; background: var(--bg);
  }
  .pg-login .mobile-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px 16px; border-bottom: 1px solid var(--border);
    background: var(--bg2); position: sticky; top: 0; z-index: 10;
  }
  .pg-login .form-wrapper { width: 100%; padding: 24px 20px 40px; }
  .pg-login .card { border-radius: 16px; }
  .pg-login .card-inner { padding: 24px 20px !important; }
  .pg-login .disclaimer { padding: 0 20px 24px; }
}
@media (max-width: 380px) {
  .pg-login .social { font-size: .82rem; padding: 9px 6px; }
  .pg-login .card-inner { padding: 20px 16px !important; }
  .pg-login .form-wrapper { padding: 20px 16px 32px; }
}

/* ── 28  Page: Forgot Password (.pg-forgot) ──────────────────────────────── */
.pg-forgot {
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.pg-forgot .card { width: 100%; max-width: 420px; overflow: hidden; }
.pg-forgot .card-inner { padding: 32px; }
.pg-forgot .btn-outline {
  width: 100%; padding: 12px; border-radius: 10px; font-size: .95rem; font-weight: 600;
  background: transparent; color: var(--neon); border: 1px solid var(--border);
  cursor: pointer; transition: all .2s; margin-top: 12px;
}
.pg-forgot .btn-outline:hover { background: var(--neon-dim); border-color: var(--neon); }
.pg-forgot .step { display: none; }
.pg-forgot .step.active { display: block; }
.pg-forgot .code-inputs { display: flex; gap: 8px; justify-content: center; margin-bottom: 20px; }
.pg-forgot .code-digit {
  width: 48px; height: 56px; text-align: center; font-size: 1.5rem; font-weight: 700;
  border-radius: 10px; background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text-1); outline: none; transition: border-color .2s, box-shadow .2s;
}
.pg-forgot .code-digit:focus { border-color: rgba(10,132,255,.5); box-shadow: 0 0 0 3px rgba(10,132,255,.08); }
.pg-forgot .back-link {
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
  color: var(--text-3); font-size: .9rem; font-weight: 500; transition: color .2s;
  margin-bottom: 24px;
}
.pg-forgot .back-link:hover { color: var(--text-2); }
.pg-forgot .dev-banner {
  display: none; margin-bottom: 16px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid rgba(234,179,8,.35); background: rgba(234,179,8,.08);
  font-size: .82rem; line-height: 1.5; color: #ca8a04;
}
@media (max-width: 380px) {
  .pg-forgot .card-inner { padding: 24px 20px; }
  .pg-forgot .code-digit { width: 40px; height: 48px; font-size: 1.3rem; }
}

/* ── 29  Page: Index / Landing (.pg-index) ───────────────────────────────── */
.pg-index { font-family: 'Inter', sans-serif; margin: 0; scroll-behavior: smooth; }
.pg-index .grid-bg {
  background-image:
    linear-gradient(rgba(10,132,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,132,255,.028) 1px, transparent 1px);
  background-size: 52px 52px;
}
.pg-index nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.pg-index .hero-glow {
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 90% 55% at 50% -5%, rgba(10,132,255,.12) 0%, transparent 58%),
    radial-gradient(ellipse 45% 45% at 85% 55%, rgba(99,102,241,.08) 0%, transparent 60%);
}
.pg-index .hero-ai-canvas { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.pg-index .ai-particle { position: absolute; border-radius: 50%; opacity: 0; animation: idx-particleFloat linear infinite; }
.pg-index .ai-synapse { position: absolute; height: 1px; transform-origin: left center; opacity: 0; animation: idx-synapseFlash 3s ease-in-out infinite; }
.pg-index .ai-orbit { position: absolute; border-radius: 50%; border: 1px solid transparent; animation: idx-orbitSpin linear infinite; }
.pg-index .ai-node {
  position: absolute; width: 4px; height: 4px; border-radius: 50%;
  background: #0a84ff; box-shadow: 0 0 8px rgba(10,132,255,.6), 0 0 20px rgba(10,132,255,.3);
  animation: idx-nodePulse 2s ease-in-out infinite;
}
.pg-index .ai-scan-line {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(10,132,255,.3), rgba(99,102,241,.3), transparent);
  animation: idx-scanDown 4s ease-in-out infinite;
}
.pg-index .hero-content { position: relative; z-index: 1; }
.pg-index .ai-cursor {
  display: inline-block; width: 3px; height: 1em; background: var(--neon);
  margin-left: 4px; vertical-align: text-bottom; animation: idx-cursorBlink .7s step-end infinite;
}
.pg-index .ai-shimmer {
  background: linear-gradient(120deg, var(--neon) 0%, #818cf8 25%, var(--neon) 50%, #818cf8 75%, var(--neon) 100%);
  background-size: 200% 100%; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  animation: idx-shimmerSlide 3s linear infinite;
}
.pg-index .ai-badge-ring { position: relative; }
.pg-index .ai-badge-ring::before {
  content: ''; position: absolute; inset: -3px; border-radius: 999px;
  border: 1px solid rgba(10,132,255,.3); animation: idx-badgeRingPulse 2s ease-in-out infinite;
}
.pg-index .hero-pills .subj-pill { animation: idx-pillFadeIn .5s cubic-bezier(.4,0,.2,1) both; }
.pg-index .btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px; border-radius: 14px;
  font-family: 'Nunito', sans-serif; font-weight: 900; font-size: 1.1rem;
  background: linear-gradient(135deg, #007aff 0%, #1d4ed8 100%);
  color: #fff; border: none; cursor: pointer; text-decoration: none;
  box-shadow: 0 4px 22px rgba(10,132,255,.28);
  transition: transform .18s, box-shadow .18s;
}
.pg-index .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(10,132,255,.42); }
.pg-index .btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 13px 24px; border-radius: 12px; font-weight: 600; font-size: .95rem;
  background: transparent; color: var(--text-3); border: 1px solid var(--border);
  cursor: pointer; text-decoration: none; transition: all .18s;
}
.pg-index .btn-ghost:hover { color: var(--text-1); border-color: var(--neon); background: var(--neon-dim); }
.pg-index .flow-wrap { display: flex; flex-direction: column; align-items: center; gap: 0; }
@media (min-width: 768px) {
  .pg-index .flow-wrap { flex-direction: row; align-items: stretch; }
}
.pg-index .step-card {
  flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: 24px;
  padding: 32px 24px 28px; text-align: center; position: relative;
  transition: border-color .25s, transform .25s; width: 100%;
}
.pg-index .step-card:hover { border-color: var(--neon); transform: translateY(-5px); }
.pg-index .ai-card { animation: idx-glow-pulse 2.4s ease-in-out infinite; border-color: rgba(10,132,255,.28) !important; }
.pg-index .step-label {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  font-family: 'Nunito', sans-serif; font-weight: 900; font-size: .75rem;
  letter-spacing: .07em; padding: 4px 14px; border-radius: 999px; white-space: nowrap;
}
.pg-index .flow-arrow {
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: rgba(10,132,255,.4); font-size: 1.6rem; padding: 12px 0;
}
@media (min-width: 768px) {
  .pg-index .flow-arrow { padding: 0 6px; }
}
.pg-index .arrow-anim { animation: idx-arrow-flow .9s ease-in-out infinite alternate; display: inline-block; }
.pg-index .arrow-anim-down { animation: idx-arrow-flow-down .9s ease-in-out infinite alternate; display: inline-block; }
.pg-index .preview-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 20px; transition: border-color .2s, transform .2s;
}
.pg-index .preview-card:hover { border-color: var(--neon); transform: translateY(-3px); }
.pg-index .subj-pill {
  padding: 6px 16px; border-radius: 999px; font-size: .85rem; font-weight: 600;
  background: var(--neon-dim); border: 1px solid var(--border); color: var(--text-3);
  white-space: nowrap;
}
.pg-index .hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 15px; border-radius: 999px; font-size: .82rem; font-weight: 600;
  background: rgba(10,132,255,.07); border: 1px solid rgba(10,132,255,.2); color: #67e8f9;
}
.pg-index .divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); margin: 0 auto; max-width: 600px; }
.pg-index .trust-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.pg-index .float { animation: float 3.8s ease-in-out infinite; }
.pg-index .blink { animation: idx-blink 1.9s infinite; }
.pg-index footer { border-top: 1px solid var(--border); }
/* Light-mode overrides — index */
[data-theme="light"] .pg-index nav {
  background: rgba(255,255,255,.82); backdrop-filter: blur(12px);
  border-bottom-color: rgba(60,60,67,.12);
}
[data-theme="light"] .pg-index .hero-glow {
  background: radial-gradient(ellipse 90% 55% at 50% -5%, rgba(0,122,255,.06) 0%, transparent 58%);
}
[data-theme="light"] .pg-index .ai-node {
  background: #007aff; box-shadow: 0 0 6px rgba(0,122,255,.4), 0 0 14px rgba(0,122,255,.2);
}
[data-theme="light"] .pg-index .ai-particle { opacity: .5 !important; }
[data-theme="light"] .pg-index .ai-shimmer {
  background: linear-gradient(120deg, #007aff 0%, #4f46e5 25%, #007aff 50%, #4f46e5 75%, #007aff 100%);
  background-size: 200% 100%; -webkit-background-clip: text;
}
[data-theme="light"] .pg-index .ai-cursor { background: #007aff; }
[data-theme="light"] .pg-index .hero-badge {
  background: #f3f4f6; border-color: rgba(60,60,67,.12); color: #374151; font-weight: 700;
}
[data-theme="light"] .pg-index .hero-badge .blink { background: #10b981 !important; }
[data-theme="light"] .pg-index .btn-primary {
  background: #007aff !important; color: #ffffff !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
}
[data-theme="light"] .pg-index .btn-primary:hover {
  background: #0071e3 !important; box-shadow: 0 4px 14px rgba(0,0,0,.15);
}
[data-theme="light"] .pg-index .btn-ghost {
  color: #374151; border-color: rgba(60,60,67,.18); background: #ffffff;
}
[data-theme="light"] .pg-index .btn-ghost:hover {
  border-color: #9ca3af; color: #111827; background: #f2f2f7;
}
[data-theme="light"] .pg-index .subj-pill {
  color: #374151; border-color: rgba(60,60,67,.12); background: #f2f2f7;
}
[data-theme="light"] .pg-index .step-card {
  background: #ffffff; border-color: rgba(60,60,67,.12); box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
[data-theme="light"] .pg-index .step-card:hover {
  border-color: rgba(60,60,67,.18); box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
[data-theme="light"] .pg-index .step-card p { color: #334155 !important; }
[data-theme="light"] .pg-index .ai-card {
  animation: none !important; border-color: #007aff !important;
  background: #ffffff; box-shadow: 0 1px 3px rgba(0,0,0,.06) !important;
}
[data-theme="light"] .pg-index .flow-arrow { color: #94a3b8; }
[data-theme="light"] .pg-index .preview-card {
  background: #ffffff; border-color: rgba(60,60,67,.12); box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
[data-theme="light"] .pg-index .preview-card:hover {
  border-color: rgba(60,60,67,.18); box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
[data-theme="light"] .pg-index .preview-card p { color: #334155 !important; }
[data-theme="light"] .pg-index .preview-card[style*="rgba(10,132,255"] { border-left-color: #007aff !important; }
[data-theme="light"] .pg-index .preview-card[style*="rgba(99,102,241"] { border-left-color: #6366f1 !important; }
[data-theme="light"] .pg-index .preview-card[style*="rgba(52,211,153"] { border-left-color: #10b981 !important; }
[data-theme="light"] .pg-index .preview-card[style*="rgba(251,191,36"] { border-left-color: #f59e0b !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(10,132,255,.08)"] { background: rgba(0,122,255,.06) !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(99,102,241,.08)"] { background: #eef2ff !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(52,211,153,.08)"] { background: #ecfdf5 !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(251,191,36,.08)"] { background: #fffbeb !important; }
[data-theme="light"] .pg-index .ai-card > div:last-child { background: rgba(0,122,255,.06) !important; color: #007aff !important; }
[data-theme="light"] .pg-index .preview-card div[style*="color:#34d399"] { color: #059669 !important; }
[data-theme="light"] .pg-index .preview-card div[style*="color:#fbbf24"] { color: #d97706 !important; }
[data-theme="light"] .pg-index .preview-card div[style*="color:#f87171"] { color: #dc2626 !important; }
[data-theme="light"] .pg-index .preview-card div[style*="color:#34d399;font-weight:800"] {
  color: #059669 !important; background: #ecfdf5 !important; border-color: #a7f3d0 !important;
}
[data-theme="light"] .pg-index .preview-card div[style*="rgba(52,211,153,.05)"] { background: #f0fdf4 !important; border-color: #bbf7d0 !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(251,191,36,.04)"] { background: #fffbeb !important; border-color: #fde68a !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(239,68,68,.04)"] { background: #fef2f2 !important; border-color: #fecaca !important; }
[data-theme="light"] .pg-index .preview-card div[style*="rgba(239,68,68,.06)"] { background: #fef2f2 !important; border-color: #fecaca !important; }
[data-theme="light"] .pg-index .trust-item div:last-child { color: #475569 !important; }
[data-theme="light"] .pg-index .divider { background: rgba(60,60,67,.12); }
[data-theme="light"] .pg-index footer { border-top-color: rgba(60,60,67,.12); }

/* ── 29b  AI-Enhanced Landing Page Styles ─────────────────────────────────── */

/* Aurora mesh background — static radial gradients (no blur, no animation) */
.pg-index .aurora-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 50% at 25% 10%, rgba(10,132,255,.10) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 85% 35%, rgba(99,102,241,.08) 0%, transparent 60%),
    radial-gradient(ellipse 35% 40% at 15% 70%, rgba(124,58,237,.06) 0%, transparent 60%);
}
.pg-index .aurora-blob { display: none; }

/* AI Orb — pulsing centerpiece */
.pg-index .ai-orb-wrap {
  position: relative; width: 100px; height: 100px; margin: 0 auto 28px;
}
.pg-index .ai-orb {
  width: 100px; height: 100px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #60a5fa 0%, #0a84ff 30%, #4f46e5 60%, #7c3aed 100%);
  box-shadow:
    0 0 30px rgba(10,132,255,.4),
    0 0 60px rgba(99,102,241,.25),
    0 0 100px rgba(124,58,237,.15);
  display: flex; align-items: center; justify-content: center;
  animation: idx-orbBreathe 3s ease-in-out infinite;
  position: relative; z-index: 2;
}
.pg-index .ai-orb-icon {
  font-size: 2.4rem; filter: drop-shadow(0 2px 8px rgba(0,0,0,.3));
}
.pg-index .ai-orb-ring {
  position: absolute; border-radius: 50%; border: 1px solid;
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.pg-index .ai-orb-ring:nth-child(2) {
  width: 130px; height: 130px; border-color: rgba(10,132,255,.2);
  animation: idx-orbRingSpin 8s linear infinite;
}
.pg-index .ai-orb-ring:nth-child(3) {
  width: 160px; height: 160px; border-color: rgba(99,102,241,.12);
  animation: idx-orbRingSpin 12s linear infinite reverse;
}
.pg-index .ai-orb-ring:nth-child(4) {
  width: 190px; height: 190px; border-color: rgba(124,58,237,.08);
  animation: idx-orbRingSpin 16s linear infinite;
}
/* Dashed ring segments for visual interest */
.pg-index .ai-orb-ring:nth-child(2) { border-style: dashed; border-width: 1.5px; }
.pg-index .ai-orb-ring:nth-child(3) { border-style: dotted; }

/* AI Terminal — glassmorphism analysis card */
.pg-index .ai-terminal {
  max-width: 480px; margin: 0 auto 28px; text-align: left;
  background: rgba(10,15,30,.92);
  border: 1px solid rgba(10,132,255,.2); border-radius: 16px;
  padding: 16px 20px; position: relative; overflow: hidden;
  box-shadow: 0 0 30px rgba(10,132,255,.08), 0 8px 32px rgba(0,0,0,.3);
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace; font-size: .78rem;
  animation: idx-terminalGlow 3s ease-in-out infinite;
}
.pg-index .ai-terminal::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,132,255,.04) 0%, transparent 40%);
  pointer-events: none;
}
.pg-index .ai-terminal-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.06);
}
.pg-index .ai-terminal-dots { display: flex; gap: 5px; }
.pg-index .ai-terminal-dots span {
  width: 8px; height: 8px; border-radius: 50%;
}
.pg-index .ai-terminal-title {
  font-size: .7rem; color: rgba(255,255,255,.35); font-weight: 500; letter-spacing: .05em;
}
.pg-index .ai-terminal-line {
  opacity: 0; transform: translateY(4px);
  transition: opacity .4s, transform .4s;
  margin-bottom: 6px; line-height: 1.7;
}
.pg-index .ai-terminal-line.visible {
  opacity: 1; transform: translateY(0);
}
.pg-index .ai-terminal-line .prompt { color: #34d399; }
.pg-index .ai-terminal-line .check { color: #34d399; }
.pg-index .ai-terminal-line .info { color: rgba(255,255,255,.5); }
.pg-index .ai-terminal-line .highlight { color: #60a5fa; }
.pg-index .ai-terminal-line .warn { color: #fbbf24; }
.pg-index .ai-terminal-scan {
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #0a84ff, #6366f1, transparent);
  animation: idx-terminalScan 2s linear infinite;
}

/* AI Analysis Demo Card — replaces 3 static preview cards */
.pg-index .ai-demo-card {
  max-width: 640px; margin: 0 auto;
  background: rgba(10,15,30,.90);
  border: 1px solid rgba(10,132,255,.15); border-radius: 20px;
  padding: 28px; position: relative; overflow: hidden;
  box-shadow: 0 0 40px rgba(10,132,255,.06), 0 12px 40px rgba(0,0,0,.25);
}
.pg-index .ai-demo-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(10,132,255,.4), rgba(99,102,241,.4), transparent);
}
.pg-index .ai-demo-phase {
  display: none; animation: idx-demoFadeIn .5s ease-out forwards;
}
.pg-index .ai-demo-phase.active { display: block; }
.pg-index .ai-demo-progress {
  display: flex; gap: 6px; margin-bottom: 20px;
}
.pg-index .ai-demo-dot {
  flex: 1; height: 3px; border-radius: 3px; background: rgba(255,255,255,.08);
  transition: background .3s;
}
.pg-index .ai-demo-dot.active { background: linear-gradient(90deg, #0a84ff, #6366f1); }
.pg-index .ai-demo-dot.done { background: #34d399; }
.pg-index .ai-demo-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: #60a5fa; margin-bottom: 14px;
}
.pg-index .ai-demo-label .pulse-dot {
  width: 6px; height: 6px; border-radius: 50%; background: #34d399;
  animation: idx-blink 1.5s infinite;
}

/* AI Stats Section */
.pg-index .ai-stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  max-width: 700px; margin: 0 auto;
}
@media (min-width: 640px) {
  .pg-index .ai-stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.pg-index .ai-stat {
  text-align: center; padding: 24px 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  position: relative; overflow: hidden; transition: border-color .2s, transform .2s;
}
.pg-index .ai-stat:hover { border-color: var(--neon); transform: translateY(-3px); }
.pg-index .ai-stat::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, #0a84ff, #6366f1, #7c3aed);
  opacity: .5;
}
.pg-index .ai-stat-number {
  font-family: 'Nunito', sans-serif; font-weight: 900;
  font-size: 1.8rem; line-height: 1.1; margin-bottom: 4px;
  background: linear-gradient(135deg, #0a84ff, #818cf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.pg-index .ai-stat-label {
  font-size: .82rem; color: var(--text-3); font-weight: 600;
}

/* Glassmorphism feature cards */
.pg-index .glass-card {
  background: rgba(10,15,30,.85);
  border: 1px solid rgba(255,255,255,.06); border-radius: 20px;
  padding: 24px; position: relative; overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.pg-index .glass-card:hover {
  border-color: rgba(10,132,255,.3); transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(10,132,255,.1);
}
.pg-index .glass-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.08), transparent);
}
.pg-index .glass-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; flex-shrink: 0; position: relative;
}
.pg-index .glass-icon::after {
  content: ''; position: absolute; inset: -4px; border-radius: 18px;
  background: inherit; opacity: .3; filter: blur(8px); z-index: -1;
  animation: idx-iconGlow 3s ease-in-out infinite;
}
/* Scroll reveal */
.pg-index .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease-out, transform .6s ease-out; }
.pg-index .reveal.visible { opacity: 1; transform: translateY(0); }
.pg-index .reveal:nth-child(2) { transition-delay: .1s; }
.pg-index .reveal:nth-child(3) { transition-delay: .2s; }
.pg-index .reveal:nth-child(4) { transition-delay: .3s; }

/* Light mode overrides for new AI elements */
[data-theme="light"] .pg-index .aurora-blob { opacity: .06; }
[data-theme="light"] .pg-index .ai-orb {
  box-shadow: 0 0 20px rgba(0,122,255,.25), 0 0 40px rgba(99,102,241,.15);
}
[data-theme="light"] .pg-index .ai-terminal {
  background: rgba(255,255,255,.85); border-color: rgba(60,60,67,.12);
  box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.08);
}
[data-theme="light"] .pg-index .ai-terminal-header { border-bottom-color: rgba(60,60,67,.08); }
[data-theme="light"] .pg-index .ai-terminal-title { color: rgba(60,60,67,.4); }
[data-theme="light"] .pg-index .ai-terminal-line .prompt { color: #059669; }
[data-theme="light"] .pg-index .ai-terminal-line .check { color: #059669; }
[data-theme="light"] .pg-index .ai-terminal-line .info { color: #6b7280; }
[data-theme="light"] .pg-index .ai-terminal-line .highlight { color: #2563eb; }
[data-theme="light"] .pg-index .ai-terminal-line .warn { color: #d97706; }
[data-theme="light"] .pg-index .ai-demo-card {
  background: rgba(255,255,255,.85); border-color: rgba(60,60,67,.12);
  box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.08);
}
[data-theme="light"] .pg-index .ai-demo-dot { background: rgba(60,60,67,.08); }
[data-theme="light"] .pg-index .ai-demo-dot.done { background: #10b981; }
[data-theme="light"] .pg-index .ai-demo-label { color: #2563eb; }
[data-theme="light"] .pg-index .ai-stat {
  background: #ffffff; border-color: rgba(60,60,67,.12);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
[data-theme="light"] .pg-index .ai-stat::before { opacity: .7; }
[data-theme="light"] .pg-index .ai-stat-number {
  background: linear-gradient(135deg, #007aff, #6366f1);
  -webkit-background-clip: text;
}
[data-theme="light"] .pg-index .glass-card {
  background: rgba(255,255,255,.75); border-color: rgba(60,60,67,.1);
  backdrop-filter: blur(12px); box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
[data-theme="light"] .pg-index .glass-card:hover {
  border-color: rgba(60,60,67,.2); box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
[data-theme="light"] .pg-index .glass-card::before {
  background: linear-gradient(90deg, transparent, rgba(60,60,67,.06), transparent);
}

/* ── AI Model Ticker ─────────────────────────────────────── */
.pg-index .ai-model-ticker {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}
.pg-index .ai-model-ticker-track {
  display: flex; gap: 16px; width: max-content;
  animation: idx-tickerScroll 20s linear infinite;
}
.pg-index .ai-model-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 999px;
  font-size: .75rem; font-weight: 600; white-space: nowrap;
}
.pg-index .ai-model-tag::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
  animation: idx-blink 2s infinite;
}
/* Tag color variants */
.pg-index .ai-model-tag.t-cyan { background: rgba(14,165,233,.08); border: 1px solid rgba(14,165,233,.18); color: #0ea5e9; }
.pg-index .ai-model-tag.t-purple { background: rgba(139,92,246,.08); border: 1px solid rgba(139,92,246,.18); color: #8b5cf6; }
.pg-index .ai-model-tag.t-amber { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.18); color: #f59e0b; }
.pg-index .ai-model-tag.t-emerald { background: rgba(16,185,129,.08); border: 1px solid rgba(16,185,129,.18); color: #10b981; }
.pg-index .ai-model-tag.t-pink { background: rgba(236,72,153,.08); border: 1px solid rgba(236,72,153,.18); color: #ec4899; }
.pg-index .ai-model-tag.t-indigo { background: rgba(99,102,241,.08); border: 1px solid rgba(99,102,241,.18); color: #6366f1; }
@keyframes idx-tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Mobile fixes for hero */
@media (max-width: 640px) {
  .pg-index .ai-model-ticker-track { gap: 10px; animation-duration: 14s; }
  .pg-index .ai-model-tag { padding: 4px 10px; font-size: .68rem; }
  .pg-index .ai-orbit { display: none; }
  .pg-index .ai-particle, .pg-index .ai-node, .pg-index .ai-synapse { display: none; }
  .pg-index .ai-scan-line { display: none; }
  .pg-index .ai-terminal { margin-left: 8px; margin-right: 8px; }
}

/* ── Process Flow Showcase (homepage embed) ──────────────── */
.pg-index .pf-showcase {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 36px 32px;
  overflow: hidden;
}
.pg-index .pf-ambient {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.pg-index .pf-ambient {
  background:
    radial-gradient(ellipse 50% 50% at 10% 20%, rgba(14,165,233,.08) 0%, transparent 60%),
    radial-gradient(ellipse 45% 45% at 90% 80%, rgba(139,92,246,.06) 0%, transparent 60%);
}
.pg-index .pf-content {
  position: relative; z-index: 1;
  display: flex; gap: 32px; align-items: center;
}
@media (max-width: 768px) {
  .pg-index .pf-content { flex-direction: column; }
  .pg-index .pf-showcase { padding: 24px 16px; }
}

/* Mini phone mockup */
.pg-index .pf-phone-wrap {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.pg-index .pf-phone {
  width: 180px; height: 340px;
  border-radius: 28px;
  background: #0f172a;
  border: 2px solid rgba(255,255,255,.08);
  box-shadow:
    0 0 50px rgba(14,165,233,.08),
    0 0 100px rgba(139,92,246,.05),
    0 16px 40px rgba(0,0,0,.4),
    inset 0 0 0 1px rgba(255,255,255,.04);
  position: relative;
  overflow: hidden;
}
.pg-index .pf-phone-notch {
  position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 56px; height: 16px; background: #000; border-radius: 8px; z-index: 5;
}
.pg-index .pf-phone-screen {
  position: absolute; top: 28px; left: 0; right: 0; bottom: 24px;
  overflow: hidden;
}
.pg-index .pf-slide {
  position: absolute; inset: 0;
  opacity: 0; transform: scale(.94);
  transition: all .5s cubic-bezier(.16,1,.3,1);
  display: flex; align-items: center; justify-content: center;
}
.pg-index .pf-slide.active {
  opacity: 1; transform: scale(1);
}
.pg-index .pf-phone-dots {
  position: absolute; bottom: 6px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 4px; z-index: 5;
}
.pg-index .pf-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,.15);
  transition: all .3s;
}
.pg-index .pf-dot.active {
  background: #0ea5e9; width: 14px; border-radius: 3px;
  box-shadow: 0 0 6px rgba(14,165,233,.4);
}

/* Feature cards */
.pg-index .pf-features {
  flex: 1;
  display: flex; flex-direction: column; gap: 12px;
}
.pg-index .pf-feature-card {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px;
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 16px;
  transition: border-color .25s, transform .25s;
}
.pg-index .pf-feature-card:hover {
  border-color: var(--neon); transform: translateX(4px);
}
.pg-index .pf-feature-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 900; flex-shrink: 0;
  font-family: 'Nunito', sans-serif;
}

/* Light mode overrides for process flow showcase */
[data-theme="light"] .pg-index .pf-showcase {
  background: rgba(255,255,255,.8); border-color: rgba(60,60,67,.1);
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
[data-theme="light"] .pg-index .pf-phone {
  background: #1e293b;
  border-color: rgba(30,41,59,.4);
  box-shadow: 0 8px 30px rgba(0,0,0,.15);
}
[data-theme="light"] .pg-index .pf-feature-card {
  background: rgba(0,0,0,.02); border-color: rgba(60,60,67,.08);
}
[data-theme="light"] .pg-index .pf-feature-card:hover {
  border-color: rgba(0,122,255,.3);
}
[data-theme="light"] .pg-index .pf-orb { opacity: .05; }
[data-theme="light"] .pg-index .ai-model-tag {
  opacity: .85;
}

/* ── 30  Page: Dashboard (.pg-dashboard) ─────────────────────────────────── */
.pg-dashboard {
  --neon2: #bf5af2;
  --tab-h: 68px;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
}
.pg-dashboard { font-family: 'Inter', sans-serif; margin: 0; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
.pg-dashboard * { -webkit-tap-highlight-color: transparent; }
.app-shell {
  min-height: 100svh; display: flex; flex-direction: column;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(10,132,255,.07) 0%, transparent 60%), var(--bg);
}
.app-header {
  padding: calc(var(--sat) + 14px) 20px 14px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 40;
  background: var(--nav-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); will-change: backdrop-filter;
  border-bottom: 1px solid var(--border);
}
.tab-view {
  display: none; flex: 1; overflow-y: auto;
  padding: 20px 16px calc(var(--tab-h) + var(--sab) + 24px);
  -webkit-overflow-scrolling: touch;
}
.tab-view.active { display: block; }
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
  height: calc(var(--tab-h) + var(--sab)); padding-bottom: var(--sab);
  background: var(--layer-2); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); will-change: backdrop-filter;
  border-top: 1px solid var(--border); display: flex; align-items: flex-start; padding-top: 8px;
}
.tab-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: none; border: none; cursor: pointer; padding: 4px 0;
  color: var(--text-muted-1); transition: color .2s; text-decoration: none; -webkit-user-select: none;
}
.tab-btn.active { color: var(--neon); }
.tab-btn .tab-icon { font-size: 1.35rem; line-height: 1; }
.tab-btn .tab-label { font-size: .7rem; font-weight: 700; letter-spacing: .04em; font-family: 'Nunito', sans-serif; }
.tab-upload {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  text-decoration: none; padding: 4px 0; margin-top: -18px;
}
.tab-upload-btn {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, #007aff, #1d4ed8);
  border: 3px solid var(--bg);
  box-shadow: 0 0 12px rgba(10,132,255,.25), 0 2px 8px rgba(0,0,0,.2);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.tab-upload-label { font-size: .7rem; font-weight: 700; color: var(--neon); font-family: 'Nunito', sans-serif; letter-spacing: .04em; }
.pg-dashboard .card {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  backdrop-filter: blur(12px);
}
.card-sm { border-radius: 16px; }
.hero-card {
  border-radius: 24px; padding: 22px 20px;
  background: linear-gradient(135deg, rgba(0,122,255,.35) 0%, rgba(29,78,216,.2) 100%);
  border: 1px solid rgba(10,132,255,.2); position: relative; overflow: hidden;
}
.hero-card::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(10,132,255,.12) 0%, transparent 70%);
}
.stat-pill {
  flex: 1; background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 14px 10px; text-align: center;
}
.subject-card {
  display: block; text-decoration: none; border-radius: 20px; padding: 18px;
  position: relative; overflow: hidden; transition: transform .15s, box-shadow .15s;
  -webkit-tap-highlight-color: transparent;
}
.subject-card:active { transform: scale(.97); }
.section-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.section-title { font-family: 'Nunito', sans-serif; font-weight: 800; color: var(--text-1); font-size: 1.05rem; }
.section-action { font-size: .85rem; color: var(--neon); }
.menu-row {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 14px; display: flex; align-items: center; gap: 12px;
  text-decoration: none; transition: border-color .15s;
}
.menu-row:active { border-color: rgba(10,132,255,.4); }
.prog-bar { height: 6px; background: rgba(128,128,128,.1); border-radius: 99px; overflow: hidden; }
.prog-fill { height: 100%; border-radius: 99px; transition: width .8s cubic-bezier(.4,0,.2,1); }
.subj-seg {
  position: relative; display: flex; background: rgba(128,128,128,.08);
  border: 1px solid var(--border); border-radius: 14px; padding: 4px; margin-bottom: 18px; gap: 2px;
}
.subj-seg-pill {
  position: absolute; top: 4px; left: 4px; height: calc(100% - 8px); width: calc(33.333% - 4px);
  border-radius: 11px; background: linear-gradient(135deg, rgba(191,90,242,.25), rgba(10,132,255,.25));
  border: 1px solid rgba(10,132,255,.3);
  transition: transform .3s cubic-bezier(.4,0,.2,1), width .3s cubic-bezier(.4,0,.2,1);
  z-index: 0; box-shadow: 0 0 12px rgba(10,132,255,.1);
}
.subj-seg-btn {
  position: relative; z-index: 1; flex: 1; padding: 8px 4px; border: none; background: none;
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: .8rem;
  color: var(--text-muted-1); cursor: pointer; border-radius: 11px; transition: color .25s;
  display: flex; align-items: center; justify-content: center; gap: 5px;
}
.subj-seg-btn.active { color: var(--neon, #0a84ff); }
.subj-seg-btn:hover:not(.active) { color: var(--text-1); }
.subj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 360px) { .subj-grid { grid-template-columns: 1fr; } }
.subj-card {
  position: relative; border-radius: 18px; padding: 18px 16px; cursor: pointer;
  transition: transform .18s, box-shadow .25s; -webkit-tap-highlight-color: transparent; overflow: hidden;
}
.subj-card:active { transform: scale(.97); }
.subj-card:hover { transform: translateY(-2px); }
.subj-card::before {
  content: ''; position: absolute; inset: 0; border-radius: 18px;
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.subj-card:hover::before { opacity: 1; }
.subj-ring-track { stroke: rgba(128,128,128,.1); }
.subj-ring-fill {
  transition: stroke-dashoffset 1s cubic-bezier(.4,0,.2,1);
  filter: drop-shadow(0 0 4px var(--ring-glow, rgba(10,132,255,.4)));
}
.subj-card { animation: dash-subjCardIn .4s cubic-bezier(.4,0,.2,1) both; }
.subj-level-badge { font-size: .6rem; font-weight: 700; padding: 2px 7px; border-radius: 6px; letter-spacing: .03em; }
.mb-subj-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.mb-stab {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  flex: 1; min-width: 56px; padding: 10px 4px 8px; border: 1.5px solid var(--border);
  border-radius: 14px; background: rgba(128,128,128,.04); cursor: pointer;
  transition: all .2s; font-family: 'Nunito', sans-serif;
}
.mb-stab-icon { font-size: 1.3rem; display: block; }
.mb-stab-label { font-size: .65rem; font-weight: 700; color: var(--text-muted-1); }
.mb-stab.active {
  border-color: rgba(10,132,255,.4); background: rgba(10,132,255,.08);
  box-shadow: 0 0 10px rgba(10,132,255,.08);
}
.mb-stab.active .mb-stab-label { color: var(--neon, #0a84ff); }
.mb-stab:hover:not(.active) { border-color: rgba(148,163,184,.3); background: rgba(128,128,128,.06); }
.pg-dashboard .badge { font-size: .75rem; font-weight: 700; padding: 2px 8px; border-radius: 99px; border: 1px solid; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, #0a84ff, #1d4ed8);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; color: #fff; font-family: 'Nunito', sans-serif; flex-shrink: 0;
}
.pg-dashboard .pulse { animation: pulse 2s infinite; }
.ai-scan::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(transparent 40%, rgba(10,132,255,.06) 50%, transparent 60%);
  background-size: 100% 40%; animation: dash-scanline 2.5s linear infinite;
}
.grade-btn {
  width: 44px; height: 44px; border-radius: 12px; font-family: 'Nunito', sans-serif;
  font-weight: 800; font-size: .95rem; border: 1.5px solid var(--border);
  color: var(--text-3); background: transparent; cursor: pointer; transition: all .15s;
}
.grade-btn.selected { border-color: var(--neon); color: var(--neon); background: var(--neon-dim); }
.prog-inner-tabs {
  display: flex; gap: 6px; overflow-x: auto;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.prog-inner-tabs::-webkit-scrollbar { display: none; }
.prog-tab {
  flex-shrink: 0; padding: 7px 16px; border-radius: 99px;
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: .78rem;
  border: 1.5px solid var(--border); color: var(--text-3);
  background: transparent; cursor: pointer; transition: all .18s; white-space: nowrap;
}
.prog-tab.active { background: var(--neon-dim); border-color: var(--neon); color: var(--neon); }
.prog-tab:active { opacity: .8; }
.ins-subj-tabs { display:flex; gap:6px; overflow-x:auto; padding-bottom:8px; margin-bottom:12px; -webkit-overflow-scrolling:touch; scrollbar-width:none; }
.ins-subj-tabs::-webkit-scrollbar { display:none; }
.ins-stab { display:flex; flex-direction:column; align-items:center; gap:2px; min-width:56px; padding:8px 6px; border-radius:12px; border:1.5px solid var(--border); background:transparent; cursor:pointer; transition:all .18s; font-size:.68rem; font-weight:700; color:var(--text-3); font-family:'Nunito',sans-serif; }
.ins-stab.active { border-color:var(--neon); color:var(--neon); background:var(--neon-dim); }
.ins-stab .ins-ico { font-size:1.2rem; line-height:1; }
.ins-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:10px; margin-bottom:14px; }
.ins-summary-card { padding:14px; border-radius:14px; background:var(--card); border:1px solid var(--border); cursor:pointer; transition:transform .18s,box-shadow .18s; }
.ins-summary-card:hover { transform:translateY(-2px); box-shadow:0 4px 16px rgba(0,0,0,.15); }
.ins-rec-card { padding:12px 14px; border-radius:12px; border:1px solid var(--border); margin-bottom:8px; border-left:3px solid var(--neon); }
.ins-rec-item { display:flex; gap:8px; align-items:flex-start; padding:5px 0; font-size:.82rem; color:var(--text-2); line-height:1.5; }
.ins-rec-item .ins-bullet { flex-shrink:0; font-size:.9rem; margin-top:1px; }
.ins-topic-row { display:flex; align-items:center; gap:10px; padding:8px 10px; border-radius:10px; border:1px solid var(--border); margin-bottom:5px; background:rgba(10,132,255,.03); }
.ins-topic-row .ins-topic-name { flex:1; font-size:.82rem; font-weight:600; color:var(--text-2); min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.ins-topic-row .ins-topic-bar { width:80px; height:4px; border-radius:99px; background:rgba(148,163,184,.2); flex-shrink:0; }
.ins-topic-row .ins-topic-fill { height:4px; border-radius:99px; transition:width .4s; }
.ins-topic-row .ins-topic-pct { font-family:'JetBrains Mono',monospace; font-size:.72rem; width:36px; text-align:right; flex-shrink:0; }
.ins-level-badge { display:inline-flex; align-items:center; gap:4px; padding:3px 10px; border-radius:99px; font-size:.72rem; font-weight:700; }
.dash-stat-pill {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.13);
  border-radius: 14px; padding: 10px 6px; text-align: center;
}
[data-theme="light"] .dash-stat-pill { background: rgba(0,0,0,.05) !important; border-color: rgba(0,0,0,.1) !important; }
.dash-stat-label { color: rgba(255,255,255,.5); font-size: .62rem; margin-top: 1px; }
[data-theme="light"] .dash-stat-label { color: var(--text-3) !important; }
.essay-card {
  border-radius: 18px; padding: 15px; margin-bottom: 12px;
  cursor: pointer; transition: border-color .18s, box-shadow .18s;
  -webkit-tap-highlight-color: transparent;
}
.essay-card:active { opacity: .92; }
.essay-body { display: none; margin-top: 12px; }
.essay-card.expanded .essay-body { display: block; }
.essay-chevron { transition: transform .22s; display: inline-block; }
.essay-card.expanded .essay-chevron { transform: rotate(180deg); }
@media (max-width: 479px) {
  .app-inner { position: relative; }
  .bottom-nav { border-radius: 20px 20px 0 0; }
}
@media (min-width: 480px) and (max-width: 767px) {
  .app-inner { max-width: 430px; margin: 0 auto; position: relative; }
  .bottom-nav { max-width: 430px; left: 50%; transform: translateX(-50%); border-radius: 20px 20px 0 0; }
}
.upload-zone { border: 2px dashed rgba(10,132,255,.3); transition: border-color .2s, background .2s; }
.upload-zone.drag-over { border-color: var(--neon); background: rgba(10,132,255,.05); }
.badge-pending  { background: rgba(234,179,8,.15); color: #ff9f0a; border: 1px solid #c93400; }
.badge-analyzed { background: rgba(10,132,255,.12); color: #0a84ff; border: 1px solid #007aff; }
.badge-mastered { background: rgba(48,209,88,.12); color: #30d158; border: 1px solid #065f46; }
.diff-easy   { color: #30d158; }
.diff-medium { color: #ff9f0a; }
.diff-hard   { color: #ff453a; }
.ai-scanning::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(transparent 40%, rgba(10,132,255,.07) 50%, transparent 60%);
  background-size: 100% 40%; animation: dash-scanline 2s linear infinite; pointer-events: none;
}
.slide-up { animation: dash-slideUp .3s cubic-bezier(.22,1,.36,1) both; }
.modal-bg { backdrop-filter: blur(12px); background: rgba(0,0,0,.6); }
.step-item { border-left: 2px solid rgba(10,132,255,.25); padding-left: 12px; }
.step-num  { background: rgba(10,132,255,.15); border: 1px solid rgba(10,132,255,.3); }
.mistake-title { color: var(--text-1); }
.mistake-sub   { color: var(--text-muted-1); }
.glass { background: var(--card); border: 1px solid var(--border); backdrop-filter: blur(12px); }
.glass-hover { transition: border-color .2s, box-shadow .2s; }
.glass-hover:hover { border-color: rgba(10,132,255,.4); box-shadow: 0 0 20px rgba(10,132,255,.35); }
.btn-neon {
  background: linear-gradient(135deg, #007aff, #1d4ed8);
  border: 1px solid var(--neon); box-shadow: 0 0 10px rgba(10,132,255,.25);
  transition: box-shadow .2s, transform .15s;
}
.btn-neon:hover { box-shadow: 0 0 22px rgba(10,132,255,.55); transform: translateY(-1px); }
.ep-filter-btn {
  padding: 8px 18px; border-radius: 999px; font-size: .88rem; font-weight: 700;
  border: 1.5px solid var(--border); background: transparent;
  color: var(--text-3); cursor: pointer; transition: all .18s; font-family: 'Nunito', sans-serif;
  white-space: nowrap;
}
.ep-filter-btn.active { color: var(--text-1); border-color: var(--neon); background: var(--neon-dim); }
.exam-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 22px; cursor: pointer; transition: all .2s; text-decoration: none; display: block;
  position: relative; overflow: hidden;
}
.exam-card:hover { border-color: var(--neon); transform: translateY(-3px); box-shadow: var(--shadow); }
.exam-card::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(10,132,255,.06) 0%, transparent 70%);
}
.gep-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px; font-size: .7rem; font-weight: 800;
  background: rgba(48,209,88,.1); border: 1px solid rgba(48,209,88,.2); color: #30d158;
  font-family: 'Nunito', sans-serif; letter-spacing: .04em;
}
.stat-chip { display: flex; align-items: center; gap: 5px; font-size: .8rem; color: var(--text-muted-1); }
.score-bar { height: 4px; background: rgba(128,128,128,.1); border-radius: 99px; overflow: hidden; margin-top: 6px; }
.score-fill { height: 100%; border-radius: 99px; transition: width .6s ease; }
/* Light theme — dashboard */
[data-theme="light"] .app-shell { background: #ffffff !important; }
[data-theme="light"] .app-header { background: rgba(255,255,255,.82) !important; border-bottom-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] #tab-progress > .hero-card {
  background: linear-gradient(135deg, #f0f4ff 0%, rgba(0,122,255,.06) 100%) !important;
  border-color: rgba(60,60,67,.12) !important;
}
[data-theme="light"] #tab-progress > .hero-card::before { background: none !important; }
[data-theme="light"] .dash-stat-pill { background: #f3f4f6 !important; border-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .dash-stat-label { color: #475569 !important; }
[data-theme="light"] #dashStatAnalysed { color: #007aff !important; }
[data-theme="light"] #dashStatMastered { color: #8944ab !important; }
[data-theme="light"] #tab-progress .mono[style*="color:#bf5af2"] { color: #8944ab !important; }
[data-theme="light"] #progGradeTag { color: #8944ab !important; border-color: rgba(175,82,222,.25) !important; background: rgba(175,82,222,.08) !important; }
[data-theme="light"] .prog-tab { border-color: rgba(60,60,67,.12) !important; color: #475569 !important; }
[data-theme="light"] .prog-tab.active { background: rgba(0,122,255,.06) !important; border-color: #007aff !important; color: #007aff !important; }
[data-theme="light"] .pg-dashboard .card { background: #ffffff !important; border-color: rgba(60,60,67,.12) !important; color: var(--text-1) !important; }
[data-theme="light"] .menu-row { background: #ffffff !important; border-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .menu-row:active { border-color: #007aff !important; }
[data-theme="light"] #tab-profile > .hero-card {
  background: linear-gradient(135deg, rgba(0,122,255,.06) 0%, #eff6ff 100%) !important;
  border-color: rgba(60,60,67,.12) !important;
}
[data-theme="light"] #tab-profile > .hero-card::before { background: none !important; }
[data-theme="light"] #profileRole { color: #007aff !important; border-color: rgba(0,122,255,.25) !important; background: rgba(0,122,255,.08) !important; }
[data-theme="light"] #profileGrade { color: #8944ab !important; border-color: rgba(175,82,222,.25) !important; background: rgba(175,82,222,.08) !important; }
[data-theme="light"] #profileAvatar { border-color: rgba(0,122,255,.2) !important; }
[data-theme="light"] .menu-row div[style*="rgba(10,132,255,.1)"] { background: rgba(0,122,255,.06) !important; border-color: rgba(0,122,255,.25) !important; }
[data-theme="light"] .menu-row div[style*="rgba(48,209,88,.1)"] { background: #ecfdf5 !important; border-color: #a7f3d0 !important; }
[data-theme="light"] .menu-row div[style*="rgba(167,139,250,.1)"] { background: #ede9fe !important; border-color: #c4b5fd !important; }
[data-theme="light"] .menu-row div[style*="rgba(255,59,48,.1)"] { background: #fef2f2 !important; border-color: #fecaca !important; }
[data-theme="light"] .grade-btn { border-color: rgba(60,60,67,.18) !important; color: #475569 !important; background: #ffffff !important; }
[data-theme="light"] .grade-btn.selected { border-color: #007aff !important; color: #007aff !important; background: rgba(0,122,255,.06) !important; }
[data-theme="light"] button[onclick="logout()"] { background: rgba(255,59,48,.06) !important; border-color: rgba(255,59,48,.18) !important; color: #d70015 !important; }
[data-theme="light"] .upload-zone { border-color: rgba(60,60,67,.18) !important; }
[data-theme="light"] .upload-zone.drag-over { border-color: #007aff !important; background: rgba(0,122,255,.04) !important; }
[data-theme="light"] .stab { background: #ffffff !important; border-color: rgba(60,60,67,.12) !important; color: #475569 !important; }
[data-theme="light"] .stab.active-stab, [data-theme="light"] #mb-stab-all.active-stab {
  background: rgba(0,122,255,.06) !important; border-color: #007aff !important; color: #007aff !important;
}
[data-theme="light"] .pg-dashboard .badge[style*="#30d158"],
[data-theme="light"] span[style*="color:#30d158"][style*="border"] {
  color: #248a3d !important; border-color: rgba(52,199,89,.25) !important; background: rgba(52,199,89,.08) !important;
}
[data-theme="light"] .exam-card { background: #ffffff !important; border-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .exam-card:hover { border-color: #007aff !important; box-shadow: 0 4px 12px rgba(0,0,0,.08) !important; }
[data-theme="light"] .exam-card::before { background: none !important; }
[data-theme="light"] .ep-filter-btn { border-color: rgba(60,60,67,.12) !important; color: #475569 !important; }
[data-theme="light"] .ep-filter-btn.active { border-color: #007aff !important; color: #111827 !important; background: rgba(0,122,255,.06) !important; }
[data-theme="light"] .gep-badge { background: rgba(52,199,89,.08) !important; border-color: rgba(52,199,89,.2) !important; color: #248a3d !important; }
[data-theme="light"] .stat-chip { color: #475569 !important; }
[data-theme="light"] .badge-pending { background: rgba(234,179,8,.08) !important; color: #c93400 !important; border-color: rgba(201,52,0,.25) !important; }
[data-theme="light"] .badge-analyzed { background: rgba(0,122,255,.08) !important; color: #007aff !important; border-color: rgba(0,122,255,.25) !important; }
[data-theme="light"] .badge-mastered { background: rgba(52,199,89,.08) !important; color: #248a3d !important; border-color: rgba(52,199,89,.25) !important; }
[data-theme="light"] .diff-easy   { color: #248a3d !important; }
[data-theme="light"] .diff-medium { color: #c93400 !important; }
[data-theme="light"] .diff-hard   { color: #d70015 !important; }
[data-theme="light"] .glass { background: #ffffff !important; border: 1px solid rgba(60,60,67,.12) !important; box-shadow: 0 1px 3px rgba(0,0,0,.06) !important; border-radius: 24px !important; }
[data-theme="light"] .glass-hover:hover { border-color: rgba(60,60,67,.18) !important; box-shadow: 0 4px 12px rgba(0,0,0,.08) !important; }
[data-theme="light"] .btn-neon { background: #007aff !important; color: #ffffff !important; box-shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08) !important; border-color: transparent !important; }
[data-theme="light"] .btn-neon:hover { background: #0071e3 !important; box-shadow: 0 4px 12px rgba(0,0,0,.12) !important; }
[data-theme="light"] .step-item { border-left-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .step-num { background: rgba(0,122,255,.06) !important; border-color: rgba(0,122,255,.25) !important; }
[data-theme="light"] .modal-bg { background: rgba(8,20,40,.45) !important; }
[data-theme="light"] #tab-subjects span[style*="color:#30d158"][style*="rgba(6,78,59,.3)"] {
  color: #248a3d !important; border-color: rgba(52,199,89,.25) !important; background: rgba(52,199,89,.08) !important;
}
[data-theme="light"] .glass span[style*="MOE Aligned"],
[data-theme="light"] .glass span.mono[style*="color:var(--neon)"] { background: rgba(0,122,255,.06) !important; border-color: rgba(0,122,255,.2) !important; }
[data-theme="light"] .bottom-nav { background: rgba(255,255,255,.92) !important; border-top-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .tab-upload-btn { box-shadow: 0 2px 8px rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.1) !important; border-color: #ffffff !important; }
[data-theme="light"] .essay-card { border-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .desk-sidebar { background: rgba(255,255,255,.92) !important; border-right-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .desk-nav-btn { color: #475569 !important; }
[data-theme="light"] .desk-nav-btn.active { color: #007aff !important; background: rgba(0,122,255,.06) !important; }
[data-theme="light"] .desk-nav-btn:hover:not(.active) { background: #f3f4f6 !important; color: #374151 !important; }
[data-theme="light"] .prog-bar { background: rgba(0,0,0,.06) !important; }
[data-theme="light"] .score-bar { background: rgba(0,0,0,.06) !important; }
[data-theme="light"] .section-title { color: #111827 !important; }
[data-theme="light"] #subjectCards > div { border-color: rgba(60,60,67,.12) !important; }
[data-theme="light"] .subj-seg { background: rgba(0,0,0,.04); border-color: rgba(60,60,67,.12); }
[data-theme="light"] .subj-seg-pill { background: linear-gradient(135deg, rgba(191,90,242,.12), rgba(0,122,255,.12)); border-color: rgba(0,122,255,.2); box-shadow: 0 1px 4px rgba(0,0,0,.06); }
[data-theme="light"] .subj-seg-btn.active { color: #007aff; }
[data-theme="light"] .subj-seg-btn { color: #94a3b8; }
[data-theme="light"] .subj-card { box-shadow: 0 1px 4px rgba(0,0,0,.04); }
[data-theme="light"] .subj-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
[data-theme="light"] .subj-ring-track { stroke: rgba(0,0,0,.06); }

/* ── 31  Page: Exam Take (.pg-exam) ──────────────────────────────────────── */
.pg-exam { font-family: 'Inter', sans-serif; margin: 0; -webkit-font-smoothing: antialiased; }
.pg-exam * { -webkit-tap-highlight-color: transparent; }
.exam-shell { display: flex; flex-direction: column; min-height: 100svh; }
.exam-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px; display: flex; align-items: center; gap: 10px;
}
.timer-badge {
  font-family: 'JetBrains Mono', monospace; font-size: 1rem; font-weight: 700;
  padding: 6px 14px; border-radius: 10px;
  background: rgba(10,132,255,.1); border: 1px solid rgba(10,132,255,.25); color: var(--neon);
  letter-spacing: .06em; transition: all .3s; flex-shrink: 0;
}
.timer-badge.warn { background: rgba(251,191,36,.1); border-color: rgba(251,191,36,.3); color: #fbbf24; }
.timer-badge.urgent { background: rgba(255,59,48,.1); border-color: rgba(255,59,48,.3); color: #ff453a; animation: exam-pulse-warn .8s infinite; }
.q-nav-btn {
  width: 36px; height: 36px; border-radius: 9px; border: 1.5px solid var(--border);
  background: transparent; color: var(--text-muted-1); font-size: .82rem; font-weight: 700;
  cursor: pointer; transition: all .15s; font-family: 'Nunito', sans-serif;
  display: flex; align-items: center; justify-content: center;
}
.q-nav-btn.answered { border-color: rgba(10,132,255,.4); background: rgba(10,132,255,.1); color: var(--neon); }
.q-nav-btn.current { border-color: var(--neon); background: rgba(10,132,255,.2); color: #fff; }
.q-nav-btn.correct { border-color: rgba(52,211,153,.5); background: rgba(52,211,153,.15); color: #30d158; }
.q-nav-btn.wrong { border-color: rgba(255,59,48,.5); background: rgba(255,59,48,.12); color: #ff453a; }
.question-panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 24px; margin-bottom: 16px;
}
.mcq-option {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border-radius: 14px; cursor: pointer;
  border: 1.5px solid var(--border); background: var(--card);
  transition: all .15s; margin-bottom: 10px; -webkit-user-select: none;
}
.mcq-option:hover { border-color: rgba(10,132,255,.3); background: rgba(10,132,255,.05); }
.mcq-option.selected { border-color: rgba(10,132,255,.5); background: rgba(10,132,255,.1); }
.mcq-option.correct { border-color: rgba(52,211,153,.5); background: rgba(52,211,153,.1); }
.mcq-option.wrong { border-color: rgba(255,59,48,.4); background: rgba(255,59,48,.08); }
.mcq-option.show-correct { border-color: rgba(52,211,153,.4); background: rgba(52,211,153,.06); }
.option-letter {
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .88rem; font-family: 'Nunito', sans-serif;
  background: var(--neon-dim); color: var(--text-muted-1); transition: all .15s;
}
.mcq-option.selected .option-letter { background: rgba(10,132,255,.2); color: var(--neon); }
.mcq-option.correct .option-letter { background: rgba(52,211,153,.25); color: #30d158; }
.mcq-option.wrong .option-letter { background: rgba(255,59,48,.2); color: #ff453a; }
.mcq-option.show-correct .option-letter { background: rgba(52,211,153,.15); color: #30d158; }
.answer-input {
  width: 100%; background: var(--input-bg); border: 1.5px solid var(--border);
  border-radius: 12px; padding: 13px 16px; color: var(--text-1); font-size: 1rem;
  font-family: 'Inter', sans-serif; resize: vertical; min-height: 80px; box-sizing: border-box;
  transition: border-color .15s; outline: none;
}
.answer-input:focus { border-color: rgba(10,132,255,.4); }
.answer-input::placeholder { color: var(--text-muted-1); }
.explanation-box {
  background: var(--neon-dim); border: 1px solid rgba(10,132,255,.2);
  border-radius: 12px; padding: 14px 16px; margin-top: 14px;
}
.pg-exam .btn-primary {
  padding: 13px 28px; border-radius: 13px; font-family: 'Nunito', sans-serif;
  font-weight: 900; font-size: 1rem; background: linear-gradient(135deg, #007aff, #1d4ed8);
  color: #fff; border: none; cursor: pointer; transition: all .18s;
}
.pg-exam .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(10,132,255,.3); }
.pg-exam .btn-ghost {
  padding: 12px 20px; border-radius: 12px; font-family: 'Nunito', sans-serif;
  font-weight: 700; font-size: .95rem; background: transparent;
  color: var(--text-3); border: 1px solid var(--border); cursor: pointer; transition: all .18s;
}
.pg-exam .btn-ghost:hover { color: var(--text-1); border-color: var(--neon); }
.result-ring {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  border: 4px solid; position: relative;
}
.exam-progress-bar { height: 3px; background: var(--border); position: relative; overflow: hidden; }
.exam-progress-fill { height: 100%; background: var(--neon); transition: width .4s ease; }
.hint-box {
  background: rgba(251,191,36,.07); border: 1px solid rgba(251,191,36,.2);
  border-radius: 10px; padding: 10px 14px; margin-top: 12px;
  font-size: .82rem; display: none;
}
.hint-box p { color: #d97706; margin: 0; }

/* ── 32  Page: Admin (.pg-admin) ─────────────────────────────────────────── */
.pg-admin { font-family: 'Inter', sans-serif; margin: 0; min-height: 100vh; }
.pg-admin * { box-sizing: border-box; }
.pg-admin .hdr {
  padding: 14px 28px; display: flex; align-items: center; justify-content: space-between;
  background: var(--nav-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 40;
}
.pg-admin .hdr-left { display: flex; align-items: center; gap: 14px; }
.pg-admin .hdr-right { display: flex; align-items: center; gap: 14px; }
.pg-admin .hdr-badge {
  padding: 4px 12px; border-radius: 999px; font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; background: rgba(10,132,255,.1); border: 1px solid rgba(10,132,255,.2);
  color: var(--neon); text-transform: uppercase;
}
.pg-admin .body { max-width: 1320px; margin: 0 auto; padding: 28px 24px 80px; }
.pg-admin .sec-title {
  font-family: 'Nunito', sans-serif; font-size: 1.05rem; font-weight: 800; color: var(--text-1);
  margin: 0 0 14px; display: flex; align-items: center; gap: 8px;
}
.pg-admin .sec-title .icon { font-size: 1rem; }
.pg-admin .kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 28px; }
.pg-admin .kpi {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 22px 20px;
  position: relative; overflow: hidden; transition: transform .15s, box-shadow .15s;
}
.pg-admin .kpi:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.15); }
.pg-admin .kpi-label {
  font-size: .75rem; font-weight: 600; color: var(--text-3); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 8px;
}
.pg-admin .kpi-value { font-family: 'Nunito', sans-serif; font-size: 2rem; font-weight: 900; line-height: 1.1; }
.pg-admin .kpi-delta {
  display: inline-flex; align-items: center; gap: 3px; padding: 2px 8px; border-radius: 999px;
  font-size: .72rem; font-weight: 700; margin-top: 8px;
}
.pg-admin .kpi-delta.up { background: rgba(48,209,88,.12); color: #30d158; }
.pg-admin .kpi-delta.down { background: rgba(248,113,113,.12); color: #f87171; }
.pg-admin .kpi-delta.flat { background: rgba(148,163,184,.1); color: var(--text-3); }
.pg-admin .kpi-glow {
  position: absolute; top: -40px; right: -40px; width: 120px; height: 120px; border-radius: 50%;
  opacity: .06; pointer-events: none;
}
.pg-admin .chart-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 18px; margin-bottom: 0;
}
.pg-admin .chart-card .sec-title { font-size: .88rem; margin-bottom: 10px; }
.pg-admin .chart-wrap { position: relative; width: 100%; height: 130px; }
.pg-admin .chart-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.pg-admin .chart-row-eq { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.pg-admin .tbl-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; margin-bottom: 20px; }
.pg-admin .tbl-hdr {
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
.pg-admin .tbl-hdr h3 { margin: 0; font-family: 'Nunito', sans-serif; font-size: .95rem; font-weight: 800; }
.pg-admin table { width: 100%; border-collapse: collapse; }
.pg-admin th {
  text-align: left; padding: 10px 18px; font-size: .72rem; font-weight: 600; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .06em; background: var(--bg2); border-bottom: 1px solid var(--border);
}
.pg-admin td { padding: 12px 18px; font-size: .86rem; color: var(--text-2); border-bottom: 1px solid rgba(255,255,255,.03); }
.pg-admin tr:hover td { background: rgba(10,132,255,.02); }
.pg-admin tr:last-child td { border-bottom: none; }
.pg-admin .badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em;
}
.pg-admin .badge-student { background: rgba(191,90,242,.12); color: #bf5af2; }
.pg-admin .badge-parent { background: rgba(48,209,88,.12); color: #30d158; }
.pg-admin .toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.pg-admin .toolbar input, .pg-admin .toolbar select {
  padding: 8px 14px; border-radius: 8px; font-size: .85rem;
  background: var(--input-bg); border: 1px solid var(--border); color: var(--text-1); outline: none;
}
.pg-admin .toolbar input { flex: 1; min-width: 160px; }
.pg-admin .toolbar input:focus { border-color: rgba(10,132,255,.5); }
.pg-admin .toolbar input::placeholder { color: var(--text-muted-1); }
.pg-admin .pag { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--border); }
.pg-admin .pag-btn {
  padding: 7px 14px; border-radius: 8px; font-size: .82rem; font-weight: 600;
  background: var(--input-bg); border: 1px solid var(--border); color: var(--text-2);
  cursor: pointer; transition: all .15s;
}
.pg-admin .pag-btn:hover { background: var(--neon-dim); border-color: var(--neon); color: var(--neon); }
.pg-admin .pag-btn:disabled { opacity: .3; cursor: not-allowed; }
.pg-admin .pag-info { font-size: .82rem; color: var(--text-3); }
.pg-admin .modal-bg {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); backdrop-filter: blur(5px);
  z-index: 100; align-items: center; justify-content: center; padding: 20px;
}
.pg-admin .modal-bg.open { display: flex; }
.pg-admin .modal {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  width: 100%; max-width: 600px; max-height: 85vh; overflow-y: auto; padding: 28px;
}
.pg-admin .modal-x {
  float: right; background: none; border: none; color: var(--text-3); font-size: 1.3rem;
  cursor: pointer; padding: 4px; line-height: 1;
}
.pg-admin .modal-x:hover { color: var(--text-1); }
.pg-admin .det-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 16px 0; }
.pg-admin .det-lbl { font-size: .72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 2px; }
.pg-admin .det-val { font-size: .92rem; color: var(--text-1); font-weight: 600; }
.pg-admin .mini-tbl { width: 100%; border-collapse: collapse; margin-top: 6px; }
.pg-admin .mini-tbl th { padding: 6px 10px; font-size: .7rem; }
.pg-admin .mini-tbl td { padding: 6px 10px; font-size: .8rem; }
/* Admin sidebar: reuses desk-sidebar + desk-nav-btn from dashboard */
.pg-admin .bottom-nav { display: flex; }
.pg-admin .hdr { display: flex; }
@media (min-width: 1280px) {
  .pg-admin #admin-sidebar {
    display: flex !important;
    flex-direction: column;
    width: 220px; position: fixed; left: 0; top: 0; bottom: 0;
    background: var(--nav-bg); border-right: 1px solid var(--border);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    z-index: 45; padding: 0 12px 20px; gap: 2px; overflow-y: auto;
  }
  .pg-admin .app-inner { margin-left: 220px; }
  .pg-admin .hdr { display: none !important; }
  .pg-admin .bottom-nav { display: none !important; }
}
@media (max-width: 1279px) {
  .pg-admin #admin-sidebar { display: none !important; }
  .pg-admin .body { padding-bottom: 90px; }
}
.pg-admin .tab-panel { display: none; }
.pg-admin .tab-panel.active { display: block; }
.pg-admin .loading { text-align: center; padding: 60px; color: var(--text-3); }
.pg-admin .empty-msg { text-align: center; padding: 30px; color: var(--text-muted-1); font-size: .88rem; }
.pg-admin .link-btn {
  background: none; border: none; color: var(--neon); font-size: .82rem; font-weight: 600;
  cursor: pointer; padding: 0;
}
.pg-admin .link-btn:hover { text-decoration: underline; }
@media (max-width: 1200px) { .pg-admin .kpi-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1024px) {
  .pg-admin .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .pg-admin .chart-grid { grid-template-columns: 1fr 1fr; }
  .pg-admin .chart-row-eq { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .pg-admin .body { padding: 16px 12px 60px; }
  .pg-admin .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .pg-admin .kpi { padding: 16px 14px; }
  .pg-admin .kpi-value { font-size: 1.5rem; }
  .pg-admin .chart-grid { grid-template-columns: 1fr; }
  .pg-admin th, .pg-admin td { padding: 8px 10px; font-size: .8rem; }
  .pg-admin .hide-m { display: none; }
  .pg-admin .tbl-card { overflow-x: auto; }
}
@media (max-width: 480px) {
  .pg-admin .kpi-grid { grid-template-columns: 1fr; }
}

/* ── 32b  Admin polish — section cards, forms, buttons, empty states ──── */
.pg-admin .section-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 24px; margin-bottom: 24px;
}
.pg-admin .section-card > h3:first-child,
.pg-admin .section-card > .admin-sec-hdr:first-child { margin-top: 0; }
.pg-admin .admin-sec-hdr {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-bottom: 16px;
}
.pg-admin .admin-sec-hdr h3 {
  margin: 0; font-family: 'Nunito', sans-serif; font-size: 1.05rem; font-weight: 800; color: var(--text-1);
}
.pg-admin .admin-btn {
  padding: 7px 16px; border-radius: 9px; font-weight: 700; font-size: .82rem;
  cursor: pointer; transition: all .15s; border: none; display: inline-flex; align-items: center; gap: 5px;
}
.pg-admin .admin-btn-primary { background: var(--neon); color: #000; }
.pg-admin .admin-btn-primary:hover { filter: brightness(1.15); transform: translateY(-1px); }
.pg-admin .admin-btn-secondary {
  background: transparent; border: 1px solid var(--border); color: var(--text-2);
}
.pg-admin .admin-btn-secondary:hover { border-color: var(--neon); color: var(--neon); }
.pg-admin .admin-btn-gradient {
  background: linear-gradient(135deg, #bf5af2, #0a84ff); color: #fff;
}
.pg-admin .admin-btn-gradient:hover { filter: brightness(1.1); transform: translateY(-1px); }
.pg-admin .admin-form label {
  display: block; font-size: .75rem; font-weight: 600; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 5px;
}
.pg-admin .admin-form label .hint {
  font-weight: 400; color: var(--text-muted-1); text-transform: none; letter-spacing: 0;
}
.pg-admin .admin-form input,
.pg-admin .admin-form select,
.pg-admin .admin-form textarea {
  width: 100%; padding: 9px 12px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--input-bg); color: var(--text-1); font-size: .88rem;
  box-sizing: border-box; outline: none; transition: border-color .15s;
}
.pg-admin .admin-form input:focus,
.pg-admin .admin-form select:focus,
.pg-admin .admin-form textarea:focus { border-color: rgba(10,132,255,.5); }
.pg-admin .admin-form .form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.pg-admin .admin-form .form-grid .span-2 { grid-column: 1 / -1; }
.pg-admin .admin-form .form-actions {
  display: flex; gap: 10px; margin-top: 20px; align-items: center;
}
.pg-admin .admin-form .form-hint {
  font-size: .75rem; color: var(--text-muted-1); margin-top: 3px;
}
.pg-admin .admin-empty {
  text-align: center; padding: 40px 20px; color: var(--text-muted-1); font-size: .88rem;
}
.pg-admin .admin-empty .empty-icon { font-size: 2rem; margin-bottom: 10px; opacity: .5; }
.pg-admin .admin-info {
  padding: 14px 18px; border-radius: 12px; font-size: .82rem; color: var(--text-3);
  background: rgba(96,165,250,.06); border: 1px solid rgba(96,165,250,.12);
  margin-top: 20px;
}
.pg-admin .admin-info code {
  background: var(--input-bg); padding: 1px 6px; border-radius: 4px; font-size: .78rem;
}
.pg-admin .admin-rule-form {
  padding: 18px; border-radius: 14px; margin-bottom: 18px;
  background: rgba(10,132,255,.03); border: 1px solid rgba(10,132,255,.12);
}
.pg-admin .kpi-val {
  font-family: 'Nunito', sans-serif; font-size: 2rem; font-weight: 900; line-height: 1.1;
}
/* Improve chart card inner title separator */
.pg-admin .chart-card .sec-title {
  padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.04); margin-bottom: 14px;
}
/* Zebra striping for tables */
.pg-admin tbody tr:nth-child(even) td { background: rgba(255,255,255,.01); }
.pg-admin tr:hover td { background: rgba(10,132,255,.04) !important; }
/* Provider dot in AI Usage */
.pg-admin .provider-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px;
}
/* Config info banner */
.pg-admin .config-banner {
  padding: 14px 18px; border-radius: 12px; font-size: .82rem; color: var(--text-3);
  background: var(--card); border: 1px solid var(--border); margin-top: 20px;
}
/* Light mode overrides */
[data-theme="light"] .pg-admin .section-card { background: rgba(255,255,255,.85); border-color: rgba(60,60,67,.1); }
[data-theme="light"] .pg-admin .admin-rule-form { background: rgba(10,132,255,.04); border-color: rgba(10,132,255,.15); }
[data-theme="light"] .pg-admin .admin-info { background: rgba(96,165,250,.06); border-color: rgba(96,165,250,.15); }
[data-theme="light"] .pg-admin .chart-card .sec-title { border-bottom-color: rgba(0,0,0,.06); }
[data-theme="light"] .pg-admin tbody tr:nth-child(even) td { background: rgba(0,0,0,.015); }
[data-theme="light"] .pg-admin tr:hover td { background: rgba(10,132,255,.04) !important; }
[data-theme="light"] .pg-admin .config-banner { background: rgba(255,255,255,.85); }
@media (max-width: 768px) {
  .pg-admin .admin-form .form-grid { grid-template-columns: 1fr; }
  .pg-admin .section-card { padding: 16px; }
}

/* ── 33  Consolidated keyframe animations ────────────────────────────────── */
/* Index page animations (prefixed idx- to avoid collision) */
@keyframes idx-particleFloat {
  0%   { opacity: 0; transform: translateY(0) scale(.5); }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(-400px) scale(0); }
}
@keyframes idx-synapseFlash { 0%,100% { opacity: 0; } 30% { opacity: .4; } 50% { opacity: .7; } 70% { opacity: .4; } }
@keyframes idx-orbitSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes idx-nodePulse { 0%,100% { transform: scale(1); opacity: .6; } 50% { transform: scale(1.8); opacity: 1; } }
@keyframes idx-scanDown { 0% { top: -2px; opacity: 0; } 10% { opacity: .6; } 90% { opacity: .6; } 100% { top: 100%; opacity: 0; } }
@keyframes idx-cursorBlink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes idx-shimmerSlide { from { background-position: 200% center; } to { background-position: -200% center; } }
@keyframes idx-badgeRingPulse { 0%,100% { transform: scale(1); opacity: .5; } 50% { transform: scale(1.08); opacity: 0; } }
@keyframes idx-pillFadeIn { from { opacity: 0; transform: translateY(8px) scale(.9); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes idx-glow-pulse {
  0%,100% { box-shadow: 0 0 18px rgba(10,132,255,.15), 0 0 36px rgba(10,132,255,.07); }
  50%     { box-shadow: 0 0 28px rgba(10,132,255,.32), 0 0 56px rgba(10,132,255,.14); }
}
@keyframes idx-arrow-flow { 0% { opacity: .3; transform: translateX(-3px); } 100% { opacity: 1; transform: translateX(3px); } }
@keyframes idx-arrow-flow-down { 0% { opacity: .3; transform: translateY(-3px); } 100% { opacity: 1; transform: translateY(3px); } }
@keyframes idx-blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
/* AI-enhanced animations */
@keyframes idx-auroraFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  25% { transform: translate(30px,-20px) scale(1.05); }
  50% { transform: translate(-20px,15px) scale(.95); }
  75% { transform: translate(15px,25px) scale(1.02); }
}
@keyframes idx-orbBreathe {
  0%,100% { transform: scale(1); box-shadow: 0 0 30px rgba(10,132,255,.4), 0 0 60px rgba(99,102,241,.25), 0 0 100px rgba(124,58,237,.15); }
  50% { transform: scale(1.05); box-shadow: 0 0 40px rgba(10,132,255,.5), 0 0 80px rgba(99,102,241,.3), 0 0 120px rgba(124,58,237,.2); }
}
@keyframes idx-orbRingSpin { from { transform: translate(-50%,-50%) rotate(0deg); } to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes idx-terminalGlow {
  0%,100% { box-shadow: 0 0 30px rgba(10,132,255,.08), 0 8px 32px rgba(0,0,0,.3); border-color: rgba(10,132,255,.2); }
  50% { box-shadow: 0 0 40px rgba(10,132,255,.14), 0 8px 32px rgba(0,0,0,.3); border-color: rgba(10,132,255,.35); }
}
@keyframes idx-terminalScan { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
@keyframes idx-demoFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes idx-iconGlow { 0%,100% { opacity: .2; transform: scale(1); } 50% { opacity: .4; transform: scale(1.1); } }
/* Dashboard animations */
@keyframes dash-subjCardIn { from { opacity: 0; transform: translateY(12px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes dash-scanline { 0% { background-position: 0 -100%; } 100% { background-position: 0 200%; } }
@keyframes dash-slideUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
/* Exam page animations */
@keyframes exam-pulse-warn { 0%,100% { opacity: 1; } 50% { opacity: .5; } }

/* ── Practice Question Cards (exam-paper style) ──────────────────────────── */
.pq-card {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
}
.pq-card:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,0,0,.15); }
.pq-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.pq-qnum {
  width: 28px; height: 28px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 800; color: #fff;
  font-family: 'JetBrains Mono', monospace;
}
.pq-diff {
  font-size: .65rem; font-weight: 700;
  padding: 2px 8px; border-radius: 20px;
  border: 1px solid; text-transform: uppercase;
  letter-spacing: .5px;
}
.pq-btn {
  font-size: .7rem; font-weight: 700; padding: 4px 10px;
  border-radius: 8px; border: 1px solid; cursor: pointer;
  transition: background .15s; white-space: nowrap;
}
.pq-btn-got  { background: rgba(48,209,88,.1);  color: #30d158; border-color: rgba(48,209,88,.3); }
.pq-btn-got:hover  { background: rgba(48,209,88,.25); }
.pq-btn-miss { background: rgba(255,69,58,.1);  color: #ff453a; border-color: rgba(255,69,58,.3); }
.pq-btn-miss:hover { background: rgba(255,69,58,.25); }
.pq-body { padding: 16px 20px; }
.pq-question {
  font-size: .95rem; line-height: 1.7; color: var(--text-1);
  font-family: 'Nunito', sans-serif; font-weight: 500;
}
/* Blank box for fill-in questions */
.pq-blank {
  display: inline-block; width: 32px; height: 24px;
  border: 2px dashed var(--neon); border-radius: 4px;
  vertical-align: middle; margin: 0 3px;
  background: rgba(10,132,255,.06);
}
/* Fraction display */
.pq-frac {
  display: inline-flex; flex-direction: column; align-items: center;
  vertical-align: middle; margin: 0 4px; line-height: 1;
  font-family: 'JetBrains Mono', monospace; font-size: .85em;
}
.pq-num { border-bottom: 1.5px solid var(--text-2); padding: 0 3px 2px; }
.pq-den { padding: 2px 3px 0; }
/* Solution area */
.pq-details { border-top: 1px solid var(--border); }
.pq-summary {
  padding: 10px 16px; font-size: .75rem; cursor: pointer;
  color: var(--neon); font-weight: 700; user-select: none;
  display: flex; align-items: center; gap: 4px;
  transition: background .15s;
}
.pq-summary:hover { background: rgba(10,132,255,.06); }
.pq-solution {
  padding: 12px 20px 16px;
  background: rgba(128,128,128,.03);
  border-top: 1px solid rgba(128,128,128,.08);
}
.pq-sol-steps {
  list-style: none; counter-reset: sol-step; padding: 0; margin: 0;
}
.pq-sol-steps li {
  counter-increment: sol-step;
  display: flex; gap: 10px; align-items: baseline;
  font-size: .82rem; line-height: 1.6; color: var(--text-2);
  padding: 6px 0;
  border-bottom: 1px solid rgba(128,128,128,.06);
}
.pq-sol-steps li:last-child { border-bottom: none; }
.pq-sol-steps li::before {
  content: "Step " counter(sol-step);
  font-size: .65rem; font-weight: 800; color: var(--neon);
  background: rgba(10,132,255,.1); padding: 2px 8px;
  border-radius: 6px; white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
}
.pq-sol-text {
  font-size: .82rem; line-height: 1.7; color: var(--text-2);
  white-space: pre-wrap;
}
/* Light theme overrides */
[data-theme="light"] .pq-card { background: rgba(0,0,0,.02); }
[data-theme="light"] .pq-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
[data-theme="light"] .pq-blank { background: rgba(10,132,255,.04); }


/* ══════════════════════════════════════════════════════════════════════════════
   GLOBAL READABILITY OVERRIDES — minimum font sizes + contrast boost
   Ensures all text across dashboard is easy to read on all themes
══════════════════════════════════════════════════════════════════════════════ */

/* Minimum body font size */
.tab-view { font-size: .88rem; line-height: 1.55; }

/* All card text — minimum .82rem */
.apple-card, .apple-card-elevated, .apple-card-grouped { font-size: .88rem; }
.apple-card *, .apple-card-elevated *, .apple-card-grouped * { min-height: 0; }

/* Subject cards — boost name and info text */
.subj-name { font-size: 1rem !important; font-weight: 700 !important; color: var(--text-1) !important; }
.subj-level-badge { font-size: .78rem !important; font-weight: 600 !important; }
.subj-topics { font-size: .82rem !important; color: var(--text-2) !important; }

/* Mistake bank cards */
.mb-title { font-size: .95rem !important; font-weight: 700 !important; color: var(--text-1) !important; }
.mb-topic { font-size: .85rem !important; color: var(--text-2) !important; }
.mb-status { font-size: .78rem !important; font-weight: 600 !important; }

/* Progress tab — stat numbers and labels */
.dash-stat-num { font-size: 1.5rem !important; }
.dash-stat-label { font-size: .75rem !important; color: var(--text-muted-1) !important; }

/* Menu rows in Profile */
.apple-menu-title { font-size: .92rem !important; font-weight: 600 !important; color: var(--text-1) !important; }
.apple-menu-subtitle { font-size: .8rem !important; color: var(--text-2) !important; }

/* Segmented control buttons */
.apple-seg-btn { font-size: .85rem !important; font-weight: 600 !important; min-height: 36px; }

/* Badge/pill text */
.apple-badge { font-size: .75rem !important; font-weight: 600 !important; }

/* Tab filter buttons */
.mb-stab-label { font-size: .78rem !important; }

/* Footnotes — slightly larger */
.apple-footnote { font-size: .78rem !important; color: var(--text-muted-1) !important; }

/* Caption text — keep readable */
.apple-caption { font-size: .8rem !important; color: var(--text-2) !important; }

/* Nav buttons — sidebar */
.apple-nav-btn { font-size: .88rem !important; }

/* Bottom nav labels */
.tab-label, .tab-upload-label { font-size: .68rem !important; font-weight: 600 !important; }

/* Light theme: ensure card text has strong contrast */
[data-theme="light"] .apple-card { color: var(--text-1); }
[data-theme="light"] .apple-card-elevated { color: var(--text-1); }
[data-theme="light"] .tab-view { color: var(--text-1); }

/* ══════════════════════════════════════════════════════════════════════════════
   FONT COLOR STANDARD — same as Weak Areas section
   Dark: white (#f5f5f7) primary, light gray secondary
   Light: black (#1d1d1f) primary, dark gray secondary
══════════════════════════════════════════════════════════════════════════════ */

/* All card headings and body text use theme-aware colors */
.card, .card *, .glass, .glass *,
.apple-card *, .apple-card-elevated *,
.tab-view h2, .tab-view h3, .tab-view p,
.tab-view span, .tab-view div, .tab-view label {
  color: inherit;
}
.tab-view { color: var(--text-1); }

/* Primary text — headings, titles, names, values */
.nunito.font-black, .nunito.font-bold,
.apple-title-2, .apple-title-3,
h2, h3 { color: var(--text-1) !important; }

/* Secondary text — descriptions, subtitles, metadata */
.apple-caption, .step-desc { color: var(--text-2) !important; }

/* Muted text — labels, timestamps, hints */
.apple-footnote { color: var(--text-muted-1) !important; }

/* Cards inherit from tab-view */
.card { color: var(--text-1); }
.card p, .card span:not([style*="color"]) { color: var(--text-2); }

/* Stat numbers always primary */
.dash-stat-num { color: var(--text-1) !important; }

/* Progress labels */
.prog-label { color: var(--text-2) !important; }

/* Force subject card text to follow theme */
[data-theme="light"] .subj-name { color: #1d1d1f !important; }
[data-theme="light"] .subj-topics { color: #3c3c43 !important; }
[data-theme="light"] .subj-level-badge { color: #3c3c43 !important; }
[data-theme="light"] .mb-title { color: #1d1d1f !important; }
[data-theme="light"] .mb-topic { color: #3c3c43 !important; }

/* Light theme: all card text dark */
[data-theme="light"] .card { color: #1d1d1f; }
[data-theme="light"] .card span, [data-theme="light"] .card div { color: inherit; }
[data-theme="light"] .apple-card { color: #1d1d1f; }
[data-theme="light"] .apple-card-elevated { color: #1d1d1f; }

/* Dark theme: all card text white */
:root .card { color: #f5f5f7; }
:root .card span, :root .card div { color: inherit; }

/* ══════════════════════════════════════════════════════════════════════════════
   UTILITY CLASSES — extracted from inline styles
══════════════════════════════════════════════════════════════════════════════ */

/* Text utilities */
.text-muted { color: var(--text-muted-1) !important; }
.text-primary { color: var(--text-1) !important; }
.text-secondary { color: var(--text-2) !important; }
.text-caption { font-size: .78rem; color: var(--text-muted-1); }
.text-sm-muted { font-size: .82rem; color: var(--text-muted-1); }

/* Layout utilities */
.flex-row { display: flex; align-items: center; gap: 10px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-end { display: flex; gap: 8px; justify-content: flex-end; }
.flex-wrap-gap { display: flex; flex-wrap: wrap; gap: 6px; }
.flex-col { display: flex; flex-direction: column; }

/* Form inputs — glass morphism */
.glass-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-1);
  font-size: .88rem;
  box-sizing: border-box;
  outline: none;
}
.glass-input:focus { border-color: var(--neon); }
.glass-select {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-1);
  font-size: .85rem;
}

/* Empty state placeholder */
.empty-placeholder {
  text-align: center;
  padding: 28px 0;
  color: var(--text-muted-1);
  font-size: .88rem;
}

/* Button row (modal footer) */
.btn-row { display: flex; gap: 8px; justify-content: flex-end; }

/* Divider line */
.divider-line { flex: 1; height: 1px; background: var(--border); }

/* Code inline (login page) */
.code-inline { background: rgba(0,0,0,.15); padding: 1px 4px; border-radius: 4px; }
