/* ═════════════════════════════════════════════════════════════════════
   TWOGEES UNIFIED DESIGN SYSTEM & UI TOKENS
   Calm · Intentional · Spacious · Editorial · Premium
   ═════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* ── Color Palette: Crisp Modern White & Slate Canvas ── */
  --tg-bg: #F8FAFC;
  --tg-bg-subtle: #F1F5F9;
  --tg-surface: #FFFFFF;
  --tg-surface-subtle: #F8FAFC;
  
  /* ── Borders & Outlines ── */
  --tg-border: #E2E8F0;
  --tg-border-light: #F1F5F9;
  --tg-border-focus: #2563EB;
  
  /* ── Typography & Ink ── */
  --tg-ink-title: #0F172A;
  --tg-ink-body: #334155;
  --tg-ink-muted: #64748B;
  --tg-ink-subtle: #94A3B8;
  
  /* ── Brand & Highlights (Modern Royal Blue) ── */
  --tg-brand: #2563EB;
  --tg-brand-hover: #1D4ED8;
  --tg-brand-active: #1E40AF;
  --tg-brand-surface: #EFF6FF;
  --tg-brand-border: #BFDBFE;
  --tg-brand-glow: rgba(37, 99, 235, 0.20);

  /* ── Secondary / Status Tones ── */
  --tg-emerald: #0D8258;
  --tg-emerald-surface: #EFF9F4;
  --tg-emerald-border: #C8EBDA;
  
  --tg-amber: #B45309;
  --tg-amber-surface: #FEF9EB;
  --tg-amber-border: #FDE7B4;
  
  --tg-rose: #C53030;
  --tg-rose-surface: #FEF2F2;
  --tg-rose-border: #FECACA;
  
  --tg-indigo: #4F46E5;
  --tg-indigo-surface: #EEF2FF;
  --tg-indigo-border: #C7D2FE;

  /* ── Elevation & Shadows ── */
  --tg-shadow-xs: 0 1px 2px rgba(20, 18, 17, 0.04);
  --tg-shadow-sm: 0 2px 6px rgba(20, 18, 17, 0.05), 0 1px 2px rgba(20, 18, 17, 0.03);
  --tg-shadow-md: 0 8px 24px -4px rgba(20, 18, 17, 0.06), 0 2px 6px rgba(20, 18, 17, 0.03);
  --tg-shadow-lg: 0 16px 40px -6px rgba(20, 18, 17, 0.09), 0 4px 12px rgba(20, 18, 17, 0.04);
  --tg-shadow-modal: 0 24px 60px -10px rgba(20, 18, 17, 0.22), 0 0 0 1px rgba(20, 18, 17, 0.06);

  /* ── Radii ── */
  --tg-radius-xs: 6px;
  --tg-radius-sm: 10px;
  --tg-radius-md: 14px;
  --tg-radius-lg: 20px;
  --tg-radius-xl: 28px;
  --tg-radius-full: 9999px;
  
  /* ── Typography Families ── */
  --tg-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --tg-font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
}

/* ═════════════════════════════════════════════════════════════════════
   THEME PALETTES
   ═════════════════════════════════════════════════════════════════════ */

/* 1. Warm Editorial (Terracotta / Warm Paper - Default) */
[data-theme="warm"], [data-theme="terracotta"], [data-theme="paper"] {
  --tg-bg: #FAF9F6;
  --tg-bg-subtle: #F4F1EB;
  --tg-surface: #FFFFFF;
  --tg-surface-subtle: #FBF9F7;
  --tg-border: #E8E2D9;
  --tg-border-light: #F0EAE2;
  --tg-border-focus: #C25E2E;
  --tg-ink-title: #141211;
  --tg-ink-body: #3E3835;
  --tg-ink-muted: #7A726C;
  --tg-ink-subtle: #A39B94;
  --tg-brand: #C25E2E;
  --tg-brand-hover: #AA4F24;
  --tg-brand-active: #94421C;
  --tg-brand-surface: #FDF4EE;
  --tg-brand-border: #F5DAC9;
  --tg-brand-glow: rgba(194, 94, 46, 0.18);
}

/* 2. Modern Blue & Clean Light (Default TwoGees System Theme) */
[data-theme="light"], [data-theme="white"], [data-theme="clean"], [data-theme="blue"], [data-theme="nord"], [data-theme="ocean"], [data-theme="sky"] {
  --tg-bg: #F8FAFC;
  --tg-bg-subtle: #F1F5F9;
  --tg-surface: #FFFFFF;
  --tg-surface-subtle: #F8FAFC;
  --tg-border: #E2E8F0;
  --tg-border-light: #F1F5F9;
  --tg-border-focus: #2563EB;
  --tg-ink-title: #0F172A;
  --tg-ink-body: #334155;
  --tg-ink-muted: #64748B;
  --tg-ink-subtle: #94A3B8;
  --tg-brand: #2563EB;
  --tg-brand-hover: #1D4ED8;
  --tg-brand-active: #1E40AF;
  --tg-brand-surface: #EFF6FF;
  --tg-brand-border: #BFDBFE;
  --tg-brand-glow: rgba(37, 99, 235, 0.20);
}

/* 3. Clean White (Crisp Minimalist & Slate) */
[data-theme="white"], [data-theme="clean"], [data-theme="slate"] {
  --tg-bg: #F8FAFC;
  --tg-bg-subtle: #F1F5F9;
  --tg-surface: #FFFFFF;
  --tg-surface-subtle: #F8FAFC;
  --tg-border: #E2E8F0;
  --tg-border-light: #EDF2F7;
  --tg-border-focus: #0F172A;
  --tg-ink-title: #09090B;
  --tg-ink-body: #27272A;
  --tg-ink-muted: #71717A;
  --tg-ink-subtle: #A1A1AA;
  --tg-brand: #0F172A;
  --tg-brand-hover: #1E293B;
  --tg-brand-active: #020617;
  --tg-brand-surface: #F1F5F9;
  --tg-brand-border: #CBD5E1;
  --tg-brand-glow: rgba(15, 23, 42, 0.15);
}

/* 4. Midnight Dark (Obsidian & Cyan) */
[data-theme="dark"], [data-theme="midnight"], [data-theme="slate2"], [data-theme="noir"], html.dark, .dark {
  --tg-bg: #090D16;
  --tg-bg-subtle: #111827;
  --tg-surface: #131B2E;
  --tg-surface-subtle: #1A233A;
  --tg-border: #1E293B;
  --tg-border-light: #182234;
  --tg-border-focus: #38BDF8;
  --tg-ink-title: #F8FAFC;
  --tg-ink-body: #CBD5E1;
  --tg-ink-muted: #94A3B8;
  --tg-ink-subtle: #64748B;
  --tg-brand: #38BDF8;
  --tg-brand-hover: #0284C7;
  --tg-brand-active: #0369A1;
  --tg-brand-surface: rgba(56, 189, 248, 0.12);
  --tg-brand-border: rgba(56, 189, 248, 0.25);
  --tg-brand-glow: rgba(56, 189, 248, 0.22);
}

/* 5. Emerald Fresh (Forest / Jade / Mint) */
[data-theme="emerald"], [data-theme="forest"], [data-theme="green"], [data-theme="jade"], [data-theme="sage"] {
  --tg-bg: #F2FAF5;
  --tg-bg-subtle: #E3F5EC;
  --tg-surface: #FFFFFF;
  --tg-surface-subtle: #F6FCF8;
  --tg-border: #C8EBDA;
  --tg-border-light: #DCF4E9;
  --tg-border-focus: #0D8258;
  --tg-ink-title: #06281C;
  --tg-ink-body: #1E3D31;
  --tg-ink-muted: #537567;
  --tg-ink-subtle: #84A797;
  --tg-brand: #0D8258;
  --tg-brand-hover: #0A6946;
  --tg-brand-active: #074F34;
  --tg-brand-surface: #EFF9F4;
  --tg-brand-border: #C8EBDA;
  --tg-brand-glow: rgba(13, 130, 88, 0.18);
}

/* ═════════════════════════════════════════════════════════════════════
   BASE & RESET
   ═════════════════════════════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--tg-font-sans);
  background-color: var(--tg-bg);
  color: var(--tg-ink-body);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* Subtle background illumination */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.45;
  background:
    radial-gradient(1000px 500px at 50% -10%, rgba(194, 94, 46, 0.04), transparent 70%),
    radial-gradient(800px 400px at 100% 20%, rgba(13, 130, 88, 0.025), transparent 70%),
    radial-gradient(700px 500px at 0% 80%, rgba(79, 70, 229, 0.02), transparent 70%);
}

.font-display {
  font-family: var(--tg-font-display);
  letter-spacing: -0.025em;
}

/* ═════════════════════════════════════════════════════════════════════
   SURFACES & CARDS
   ═════════════════════════════════════════════════════════════════════ */
.tg-card {
  background: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-lg);
  box-shadow: var(--tg-shadow-sm);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.2s ease;
}

.tg-card-interactive:hover {
  transform: translateY(-2px);
  border-color: #D8CEBF;
  box-shadow: var(--tg-shadow-md);
}

.tg-card-subtle {
  background: var(--tg-surface-subtle);
  border: 1px solid var(--tg-border-light);
  border-radius: var(--tg-radius-md);
}

.tg-card-brand {
  background: linear-gradient(145deg, #FFFFFF 0%, var(--tg-brand-surface) 100%);
  border: 1px solid var(--tg-brand-border);
  box-shadow: 0 4px 20px -2px var(--tg-brand-glow);
}

/* ═════════════════════════════════════════════════════════════════════
   BUTTONS
   ═════════════════════════════════════════════════════════════════════ */
.tg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--tg-font-sans);
  font-weight: 700;
  font-size: 13.5px;
  line-height: 1;
  border-radius: var(--tg-radius-md);
  padding: 12px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.tg-btn:active {
  transform: translateY(1px) scale(0.99);
}

.tg-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

/* Primary Action */
.tg-btn-primary {
  background-color: var(--tg-brand);
  color: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 14px var(--tg-brand-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.tg-btn-primary:hover:not(:disabled) {
  background-color: var(--tg-brand-hover);
  transform: translateY(-1.5px);
  box-shadow: 0 8px 22px var(--tg-brand-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* Secondary Action */
.tg-btn-secondary {
  background-color: var(--tg-surface);
  color: var(--tg-ink-title);
  border-color: var(--tg-border);
  box-shadow: var(--tg-shadow-xs);
}

.tg-btn-secondary:hover:not(:disabled) {
  background-color: var(--tg-surface-subtle);
  border-color: #D3C9BC;
  transform: translateY(-1px);
  box-shadow: var(--tg-shadow-sm);
}

/* Ghost Action */
.tg-btn-ghost {
  background-color: transparent;
  color: var(--tg-ink-body);
}

.tg-btn-ghost:hover:not(:disabled) {
  background-color: var(--tg-bg-subtle);
  color: var(--tg-ink-title);
}

/* WhatsApp Conversion Button */
.tg-btn-whatsapp {
  background-color: #108C5D;
  color: #FFFFFF;
  border-color: #0C6F49;
  box-shadow: 0 4px 14px rgba(16, 140, 93, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.tg-btn-whatsapp:hover:not(:disabled) {
  background-color: #0E7950;
  transform: translateY(-1.5px);
  box-shadow: 0 8px 22px rgba(16, 140, 93, 0.35);
}

/* Sizes */
.tg-btn-sm {
  padding: 8px 14px;
  font-size: 12px;
  border-radius: var(--tg-radius-sm);
}

.tg-btn-lg {
  padding: 16px 28px;
  font-size: 15px;
  border-radius: var(--tg-radius-lg);
}

/* ═════════════════════════════════════════════════════════════════════
   INPUTS & FORMS
   ═════════════════════════════════════════════════════════════════════ */
.tg-input {
  width: 100%;
  font-family: var(--tg-font-sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--tg-ink-title);
  background-color: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-md);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
  box-shadow: inset 0 1px 2px rgba(20, 18, 17, 0.02);
}

.tg-input::placeholder {
  color: var(--tg-ink-subtle);
}

.tg-input:focus {
  background-color: #FFFFFF;
  border-color: var(--tg-brand);
  box-shadow: 0 0 0 3px var(--tg-brand-glow);
}

.tg-select {
  font-family: var(--tg-font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--tg-ink-title);
  background-color: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-md);
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
  transition: all 0.16s ease;
}

.tg-select:focus {
  border-color: var(--tg-brand);
  box-shadow: 0 0 0 3px var(--tg-brand-glow);
}

/* ═════════════════════════════════════════════════════════════════════
   BADGES & PILLS
   ═════════════════════════════════════════════════════════════════════ */
.tg-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--tg-radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}

.tg-badge-brand {
  background-color: var(--tg-brand-surface);
  color: var(--tg-brand);
  border-color: var(--tg-brand-border);
}

.tg-badge-emerald {
  background-color: var(--tg-emerald-surface);
  color: var(--tg-emerald);
  border-color: var(--tg-emerald-border);
}

.tg-badge-amber {
  background-color: var(--tg-amber-surface);
  color: var(--tg-amber);
  border-color: var(--tg-amber-border);
}

.tg-badge-muted {
  background-color: var(--tg-surface);
  color: var(--tg-ink-muted);
  border-color: var(--tg-border);
}

/* ═════════════════════════════════════════════════════════════════════
   SEGMENTED TABS & PILL FILTERS
   ═════════════════════════════════════════════════════════════════════ */
.tg-tab-bar {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background-color: var(--tg-bg-subtle);
  border: 1px solid var(--tg-border-light);
  border-radius: var(--tg-radius-lg);
}

.tg-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--tg-radius-md);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--tg-ink-muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.tg-tab:hover {
  color: var(--tg-ink-title);
}

.tg-tab.active {
  background-color: var(--tg-surface);
  color: var(--tg-brand);
  border-color: var(--tg-border-light);
  box-shadow: var(--tg-shadow-sm);
}

.tg-filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--tg-radius-full);
  font-size: 11.5px;
  font-weight: 700;
  background-color: var(--tg-surface);
  color: var(--tg-ink-muted);
  border: 1px solid var(--tg-border);
  cursor: pointer;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.tg-filter-pill:hover {
  background-color: var(--tg-surface-subtle);
  color: var(--tg-ink-title);
  border-color: #D3C9BC;
}

.tg-filter-pill.active {
  background-color: var(--tg-brand-surface);
  color: var(--tg-brand);
  border-color: var(--tg-brand-border);
}

/* ═════════════════════════════════════════════════════════════════════
   MODALS & OVERLAYS
   ═════════════════════════════════════════════════════════════════════ */
.tg-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: rgba(20, 18, 17, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: tgFadeIn 0.2s ease forwards;
}

.tg-modal-backdrop.hidden,
.tg-cmd-backdrop.hidden,
.modal-backdrop.hidden,
.hidden {
  display: none !important;
}

.tg-modal-box {
  background: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-xl);
  box-shadow: var(--tg-shadow-modal);
  width: 100%;
  max-width: 480px;
  padding: 28px;
  animation: tgScaleIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tgFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes tgScaleIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes tgShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

.tg-shake {
  animation: tgShake 0.32s ease;
}

/* ═════════════════════════════════════════════════════════════════════
   ACCESSIBILITY & FOCUS
   ═════════════════════════════════════════════════════════════════════ */
:where(button, a, input, select, summary, [role="button"]):focus-visible {
  outline: 2px solid var(--tg-brand);
  outline-offset: 2px;
}

/* ═════════════════════════════════════════════════════════════════════
   BACKWARD COMPATIBILITY ALIASES (Ensures zero breakage)
   ═════════════════════════════════════════════════════════════════════ */
.clay-card, .glass-card {
  background: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-lg);
  box-shadow: var(--tg-shadow-sm);
}

.clay-btn, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--tg-font-sans);
  font-weight: 700;
  font-size: 13.5px;
  border-radius: var(--tg-radius-md);
  padding: 10px 18px;
  background-color: var(--tg-surface);
  color: var(--tg-ink-title);
  border: 1px solid var(--tg-border);
  box-shadow: var(--tg-shadow-xs);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.16s ease;
}

.clay-btn:hover, .btn-secondary:hover {
  background-color: var(--tg-surface-subtle);
  border-color: #D3C9BC;
  transform: translateY(-1px);
}

.clay-btn-primary, .clay-btn--primary, .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--tg-font-sans);
  font-weight: 700;
  font-size: 13.5px;
  border-radius: var(--tg-radius-md);
  padding: 12px 20px;
  background-color: var(--tg-brand) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  box-shadow: 0 4px 14px var(--tg-brand-glow) !important;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
}

.clay-btn-primary:hover, .clay-btn--primary:hover, .btn-primary:hover {
  background-color: var(--tg-brand-hover) !important;
  transform: translateY(-1.5px);
  box-shadow: 0 8px 22px var(--tg-brand-glow) !important;
}

.clay-pill, .cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--tg-radius-full);
  font-size: 11px;
  font-weight: 700;
  background-color: var(--tg-surface);
  color: var(--tg-ink-muted);
  border: 1px solid var(--tg-border);
  text-decoration: none;
}

.clay-input {
  width: 100%;
  font-family: var(--tg-font-sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--tg-ink-title);
  background-color: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-md);
  padding: 12px 14px;
  outline: none;
  transition: all 0.16s ease;
}

.clay-input:focus {
  border-color: var(--tg-brand);
  box-shadow: 0 0 0 3px var(--tg-brand-glow);
}

/* ═════════════════════════════════════════════════════════════════════
   UNIVERSAL NAVIGATION SYSTEM & COMPONENTS
   ═════════════════════════════════════════════════════════════════════ */

/* ── 1. BREADCRUMBS ── */
.tg-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--tg-ink-muted);
  user-select: none;
}

.tg-breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tg-breadcrumb-link {
  color: var(--tg-ink-muted);
  text-decoration: none;
  border-radius: var(--tg-radius-xs);
  padding: 2px 6px;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tg-breadcrumb-link:hover {
  color: var(--tg-brand);
  background-color: var(--tg-brand-surface);
}

.tg-breadcrumb-sep {
  color: var(--tg-ink-subtle);
  font-size: 9px;
  opacity: 0.6;
}

.tg-breadcrumb-current {
  color: var(--tg-ink-title);
  font-weight: 700;
  padding: 2px 6px;
  background-color: var(--tg-bg-subtle);
  border-radius: var(--tg-radius-xs);
  border: 1px solid var(--tg-border-light);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── 2. GLOBAL COMMAND PALETTE (⌘K / Ctrl+K) ── */
.tg-cmd-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 15vh 16px 20px;
  animation: tgFadeIn 0.18s ease forwards;
}

.tg-cmd-modal {
  width: 100%;
  max-width: 600px;
  background: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 70vh;
  animation: tgScaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.tg-cmd-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--tg-border-light);
  background: var(--tg-surface);
}

.tg-cmd-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--tg-font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--tg-ink-title);
  width: 100%;
}

.tg-cmd-input::placeholder {
  color: var(--tg-ink-subtle);
  font-weight: 500;
}

.tg-cmd-results {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  max-height: 420px;
}

.tg-cmd-group-title {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tg-ink-muted);
  padding: 8px 12px 4px;
}

.tg-cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--tg-radius-md);
  color: var(--tg-ink-title);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.12s ease;
  font-size: 12.5px;
  font-weight: 600;
  user-select: none;
}

.tg-cmd-item:hover, .tg-cmd-item.active {
  background-color: var(--tg-brand-surface);
  color: var(--tg-brand);
  transform: translateX(2px);
}

.tg-cmd-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.tg-cmd-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--tg-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  background-color: var(--tg-bg-subtle);
  border: 1px solid var(--tg-border-light);
  color: var(--tg-brand);
}

.tg-cmd-badge {
  font-size: 9.5px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--tg-radius-full);
  background-color: var(--tg-bg-subtle);
  color: var(--tg-ink-muted);
  border: 1px solid var(--tg-border-light);
  flex-shrink: 0;
}

.tg-cmd-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--tg-bg-subtle);
  border-top: 1px solid var(--tg-border-light);
  font-size: 11px;
  font-weight: 600;
  color: var(--tg-ink-muted);
}

.tg-cmd-shortcuts {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tg-cmd-key {
  font-family: monospace;
  font-size: 9.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--tg-surface);
  border: 1px solid var(--tg-border);
  color: var(--tg-ink-body);
}

/* ── 3. SEQUENTIAL LESSON STEPPER (Prev / Next Module Controls) ── */
.tg-lesson-stepper {
  width: 100%;
  background: var(--tg-surface);
  border: 1px solid var(--tg-border);
  border-radius: var(--tg-radius-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: var(--tg-shadow-sm);
  margin-top: 24px;
}

.tg-stepper-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--tg-radius-md);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
  max-width: 45%;
}

.tg-stepper-btn-prev {
  background: var(--tg-bg-subtle);
  color: var(--tg-ink-title);
  border: 1px solid var(--tg-border);
}

.tg-stepper-btn-prev:hover:not(:disabled) {
  background: var(--tg-surface);
  border-color: #D3C9BC;
  transform: translateX(-2px);
}

.tg-stepper-btn-next {
  background: var(--tg-brand);
  color: #FFFFFF !important;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 14px var(--tg-brand-glow);
  margin-left: auto;
}

.tg-stepper-btn-next:hover:not(:disabled) {
  background: var(--tg-brand-hover);
  transform: translateX(2px);
  box-shadow: 0 6px 18px var(--tg-brand-glow);
}

.tg-stepper-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* ── 4. END-OF-LESSON NEXT UP HERO CARD ── */
.tg-next-module-card {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(135deg, var(--tg-surface) 0%, var(--tg-brand-surface) 100%);
  border: 1.5px solid var(--tg-brand-border);
  border-radius: var(--tg-radius-xl);
  padding: 24px;
  margin: 28px 0 16px;
  box-shadow: var(--tg-shadow-md);
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

/* ── 5. MOBILE BOTTOM APP BAR ── */
.tg-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  z-index: 45;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--tg-border, #E2E8F0);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 6px 4px calc(8px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06);
}

[data-theme="dark"] .tg-bottom-nav {
  background: rgba(14, 22, 38, 0.96) !important;
  border-top-color: rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5) !important;
}

.tg-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  max-width: 20%;
  min-width: 0;
  box-sizing: border-box;
  overflow: hidden;
  gap: 3px;
  padding: 5px 2px;
  border-radius: var(--tg-radius-md);
  color: var(--tg-ink-muted, #64748B);
  text-decoration: none;
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
  transition: all 0.15s ease;
  cursor: pointer;
  background: transparent;
  border: none;
}

.tg-bottom-nav-item span {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 10px;
  line-height: 1.2;
}

.tg-bottom-nav-item i {
  font-size: 15px;
  transition: transform 0.15s ease;
}

.tg-bottom-nav-item:active i {
  transform: scale(0.9);
}

.tg-bottom-nav-item.active {
  color: var(--tg-brand, #2563EB) !important;
}

.tg-bottom-nav-item.active i {
  color: var(--tg-brand, #2563EB) !important;
  transform: translateY(-1px);
}

/* ── 5.1 MOBILE STUDENT PROFILE BOTTOM SHEET ── */
.tg-profile-sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.tg-profile-sheet-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.tg-profile-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: #FFFFFF;
  border-top-left-radius: 28px;
  border-top-right-radius: 28px;
  border: 1px solid #E2E8F0;
  border-bottom: none;
  box-shadow: 0 -10px 40px -10px rgba(15, 23, 42, 0.25);
  z-index: 61;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 16px 20px calc(24px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}
.tg-profile-sheet-backdrop.open .tg-profile-sheet {
  transform: translateY(0);
}

[data-theme="dark"] .tg-profile-sheet {
  background: #0E1626;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 -10px 40px -10px rgba(0, 0, 0, 0.8);
}

.tg-profile-sheet-handle {
  width: 40px;
  height: 4px;
  border-radius: 999px;
  background: #CBD5E1;
  margin: 0 auto 16px;
}
[data-theme="dark"] .tg-profile-sheet-handle {
  background: rgba(255, 255, 255, 0.2);
}

/* ── 6. FLOATING SCROLL-TO-TOP FAB ── */
.tg-scroll-top-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  width: 42px;
  height: 42px;
  border-radius: var(--tg-radius-full);
  background: var(--tg-surface);
  color: var(--tg-ink-title);
  border: 1px solid var(--tg-border);
  box-shadow: var(--tg-shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

.tg-scroll-top-fab.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.tg-scroll-top-fab:hover {
  background: var(--tg-brand-surface);
  color: var(--tg-brand);
  border-color: var(--tg-brand-border);
  transform: translateY(-2px);
  box-shadow: var(--tg-shadow-lg);
}

@media (max-width: 640px) {
  .tg-scroll-top-fab {
    bottom: 74px; /* clears mobile bottom nav */
    right: 16px;
    width: 38px;
    height: 38px;
  }
}

/* ═════════════════════════════════════════════════════════════════════
   MODAL & BACKDROP VISIBILITY OVERRIDES (Absolute guarantee)
   ═════════════════════════════════════════════════════════════════════ */
.hidden,
[hidden],
.tg-modal-backdrop.hidden,
.tg-cmd-backdrop.hidden,
.modal-backdrop.hidden,
.tg-cmd-backdrop[style*="display: none"],
.tg-cmd-backdrop[style*="display:none"],
.tg-modal-backdrop[style*="display: none"],
.tg-modal-backdrop[style*="display:none"],
.modal-backdrop[style*="display: none"],
.modal-backdrop[style*="display:none"] {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}