/* =============================================================================
   Thème "school" — dédié à school.netark.fr, distinct du thème netark_ sombre.
   Cible 12-20 ans : fond clair, couleurs vives mais pas criardes, boutons
   "tactiles" (ombre portée basse, s'aplatit au clic), gamification visible
   (XP, séries, badges) sans tomber dans l'enfantin.
   ========================================================================== */

/* --- Polices d'accessibilité (OpenDyslexic) --- */
@font-face {
  font-family: 'OpenDyslexic';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/opendyslexic/OpenDyslexic-Regular.woff') format('woff');
}

@font-face {
  font-family: 'OpenDyslexic';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/opendyslexic/OpenDyslexic-Italic.woff') format('woff');
}

@font-face {
  font-family: 'OpenDyslexic';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/opendyslexic/OpenDyslexic-Bold.woff') format('woff');
}

/* Application globale du mode dyslexie */
html[data-dyslexic="true"],
html[data-dyslexic="true"] body,
body.font-dyslexic {
  --school-font: 'OpenDyslexic', sans-serif !important;
  font-family: 'OpenDyslexic', sans-serif !important;
  letter-spacing: 0.03em !important;
  word-spacing: 0.05em !important;
  line-height: 1.75 !important;
}

html[data-dyslexic="true"] *,
body.font-dyslexic * {
  font-family: 'OpenDyslexic', sans-serif !important;
}

:root {
  --school-bg: #f8fafc;
  --school-surface: rgba(255, 255, 255, 0.85);
  --school-surface-alt: rgba(240, 244, 252, 0.85);
  --school-card-bg: rgba(255, 255, 255, 0.85);
  --school-border: rgba(218, 226, 239, 0.85);
  --school-text: #0f172a;
  --school-text-muted: #64748b;
  --school-glass-blur: blur(16px);

  /* Accent primaire : teal moderne éclatant */
  --school-primary: #0d9488;
  --school-primary-dark: #0f766e;
  --school-primary-soft: rgba(20, 184, 166, 0.12);

  /* Accents secondaires de gamification */
  --school-xp: #f59e0b;
  --school-xp-soft: #fef3e0;
  --school-streak: #f97316;
  --school-streak-soft: #fff1e6;

  --school-success: #10b981;
  --school-success-soft: #ecfdf5;
  --school-success-text: #047857;
  --school-danger: #ef4444;
  --school-danger-soft: #fef2f2;
  --school-danger-text: #b91c1c;
  --school-info: #6366f1;

  --school-radius-lg: 20px;
  --school-radius-md: 14px;
  --school-radius-pill: 999px;
  --school-shadow-btn: 0 2px 5px rgba(15, 118, 110, 0.18);
  --school-shadow-btn-hover: 0 6px 16px rgba(15, 118, 110, 0.3);
  --school-shadow-card: 0 8px 30px rgba(15, 23, 42, 0.05);

  --school-font: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
}

[data-bs-theme="dark"] {
  --school-bg: #090d16;
  --school-surface: rgba(18, 24, 38, 0.75);
  --school-surface-alt: rgba(28, 36, 54, 0.8);
  --school-card-bg: rgba(18, 24, 38, 0.82);
  --school-border: rgba(255, 255, 255, 0.08);
  --school-text: #f1f5f9;
  --school-text-muted: #94a3b8;

  --school-primary: #2dd4bf;
  --school-primary-dark: #5eead4;
  --school-primary-soft: rgba(45, 212, 191, 0.15);

  --school-xp: #fbbf24;
  --school-xp-soft: rgba(251, 191, 36, 0.15);
  --school-streak: #fb923c;
  --school-streak-soft: rgba(251, 146, 60, 0.15);

  --school-success: #34d399;
  --school-success-soft: rgba(52, 211, 153, 0.15);
  --school-success-text: #a7f3d0;
  --school-danger: #f87171;
  --school-danger-soft: rgba(248, 113, 113, 0.15);
  --school-danger-text: #fecaca;
  --school-info: #818cf8;

  --school-shadow-btn: 0 2px 6px rgba(0, 0, 0, 0.4);
  --school-shadow-btn-hover: 0 6px 18px rgba(45, 212, 191, 0.25);
  --school-shadow-card: 0 8px 30px rgba(0, 0, 0, 0.4);
}

html, body {
  overflow-x: hidden;
}

body {
  background: var(--school-bg);
  color: var(--school-text);
  font-family: var(--school-font);
  letter-spacing: -0.01em;
}

a { color: var(--school-primary); text-decoration: none; }
a:hover:not(.btn):not(.school-btn):not(.school-brand):not(.nav-link):not(.dropdown-item) { color: var(--school-primary-dark); }

/* --- Barre de navigation --- */
.school-navbar {
  background: var(--school-surface);
  backdrop-filter: var(--school-glass-blur);
  -webkit-backdrop-filter: var(--school-glass-blur);
  border-bottom: 1px solid var(--school-border);
  padding: 10px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  flex-wrap: wrap;
  gap: 10px;
}

.school-card {
  background: var(--school-card-bg);
  backdrop-filter: var(--school-glass-blur);
  -webkit-backdrop-filter: var(--school-glass-blur);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  padding: 32px;
  box-shadow: var(--school-shadow-card);
  margin-bottom: 20px;
}

@media (max-width: 575.98px) {
  .global-search input {
    width: 110px;
  }
}

@media (max-width: 767.98px) {
  .school-navbar > div:last-child {
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 8px;
  }

  #user-status {
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 8px;
    min-width: 0;
  }

  .school-nav-links {
    flex-wrap: wrap;
    row-gap: 8px;
    justify-content: flex-end;
  }
}

.school-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--school-text);
  text-decoration: none;
}

.global-search {
  position: relative;
}

.global-search input {
  width: 170px;
  background: var(--school-surface-alt);
  border: 1px solid var(--school-border);
  color: var(--school-text);
}

@media (min-width: 768px) {
  .global-search input {
    width: 260px;
  }
}

.global-search-results {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 320px;
  max-height: 420px;
  overflow-y: auto;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  box-shadow: var(--school-shadow-card);
  z-index: 60;
}

.global-search-results.open {
  display: block;
}

.global-search-group-label {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--school-primary-dark);
  padding: 10px 14px 4px;
}

.global-search-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 8px 14px;
  cursor: pointer;
}

.global-search-item:hover {
  background: var(--school-surface-alt);
}

.global-search-item .gsi-title {
  font-weight: 700;
  color: var(--school-text);
  font-size: 0.9rem;
}

.global-search-item .gsi-excerpt {
  color: var(--school-text-muted);
  font-size: 0.78rem;
}

.global-search-empty {
  padding: 14px;
  color: var(--school-text-muted);
  font-size: 0.85rem;
}

.school-brand-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--school-radius-pill);
  display: block;
  object-fit: contain;
}

.school-nav-links {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.school-nav-links a {
  text-decoration: none;
  color: var(--school-text-muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.school-nav-links a:hover { color: var(--school-primary-dark); }

.school-btn-register-nav {
  background: var(--school-primary);
  color: #ffffff !important;
  padding: 5px 14px;
  border-radius: var(--school-radius-pill);
  font-weight: 700;
  transition: all 0.2s ease;
}

.school-btn-register-nav:hover {
  background: var(--school-primary-dark) !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

#auth-tabs .nav-link {
  font-weight: 700;
  border-radius: var(--school-radius-pill);
  color: var(--school-text-muted);
  transition: all 0.2s ease;
}

#auth-tabs .nav-link.active {
  background-color: var(--school-primary);
  color: #ffffff;
}

/* --- Chips de gamification (XP, série) --- */
.school-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--school-radius-pill);
  font-weight: 700;
  font-size: 0.88rem;
}

.school-chip-xp { background: var(--school-xp-soft); color: #92620a; }
.school-chip-streak { background: var(--school-streak-soft); color: #9a3412; }
.school-chip-subject { background: var(--school-primary-soft); color: var(--school-primary-dark); font-size: 0.78rem; padding: 4px 10px; }

/* --- Boutons tactiles et dynamiques --- */
.school-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--school-radius-md);
  padding: 10px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff !important;
  background: var(--school-primary);
  box-shadow: var(--school-shadow-btn);
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.15s ease;
  text-decoration: none !important;
}

.school-btn:hover {
  background: var(--school-primary-dark);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: var(--school-shadow-btn-hover);
}

.lesson-tip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-radius: 10px;
  padding: 10px 14px;
  margin: 12px 0;
  border-left: 4px solid var(--school-primary);
  background: var(--school-primary-soft);
}
.lesson-tip-icon { font-size: 1.25rem; line-height: 1.3; flex-shrink: 0; }
.lesson-tip-text { margin: 0; }
.lesson-tip-mnemo { border-left-color: var(--school-xp); background: var(--school-xp-soft); }

.lesson-example {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-radius: 10px;
  padding: 10px 14px;
  margin: 12px 0;
  border-left: 4px solid #0ea5e9;
  background: #e0f2fe;
}
.lesson-example-icon { font-size: 1.25rem; line-height: 1.3; flex-shrink: 0; }
.lesson-example-text { margin: 0; }
[data-bs-theme="dark"] .lesson-example { background: rgba(14, 165, 233, 0.14); }

.wordgame-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 64px;
  padding: 10px;
  border: 2px dashed var(--school-primary-soft);
  border-radius: 10px;
  margin-bottom: 16px;
}
.wordgame-slot {
  min-width: 90px;
  min-height: 44px;
  border-radius: 8px;
  border: 1px dashed #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wordgame-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px;
}
.wordgame-chip {
  cursor: pointer;
  background: var(--school-surface-alt, #f5f7fb);
  border: 1px solid var(--school-primary-soft);
  border-radius: 10px;
  padding: 8px 12px;
  text-align: center;
  user-select: none;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.wordgame-chip:hover {
  border-color: var(--school-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}
.wordgame-slot .wordgame-chip {
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(14, 165, 233, 0.12);
}
.wordgame-slot .wordgame-chip:hover::after {
  content: ' ✕';
  font-size: 0.75rem;
  color: var(--school-danger, #ef4444);
}
.wordgame-chip-word { font-weight: 700; display: block; }
.wordgame-chip-label { font-size: 0.7rem; color: var(--school-text-muted, #5a6472); display: block; }
.wordgame-chip-correct { border-color: var(--school-xp) !important; background: var(--school-xp-soft) !important; }
.wordgame-chip-wrong { border-color: var(--school-danger-soft, #fca5a5) !important; animation: multab-shake 0.3s ease; }

/* ── Forge un mot — Jeu d'étymologie combinatoire ─────────────────────────── */
.etymoforge-workspace {
  background: var(--school-surface-alt, #f5f7fb);
  border: 2px dashed var(--school-primary-soft, #c7d7f4);
  border-radius: 14px;
  padding: 16px;
}
.etymoforge-anvil {
  min-height: 56px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  background: var(--school-bg, #fff);
  border: 2px solid var(--school-primary-soft, #c7d7f4);
  border-radius: 10px;
  padding: 10px 14px;
}
.etymoforge-anvil-placeholder { color: var(--school-text-muted, #8a96a8); font-style: italic; font-size: 0.9rem; }
.etymoforge-anvil-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.etymoforge-anvil-sep { font-weight: 700; color: var(--school-primary, #3b7ae0); font-size: 1.1rem; }
.etymoforge-anvil-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  border: 2px solid transparent;
  transition: transform 0.15s;
}
.etymoforge-anvil-chip--prefix  { background: #dbeafe; border-color: #93c5fd; color: #1d4ed8; }
.etymoforge-anvil-chip--root    { background: #dcfce7; border-color: #86efac; color: #15803d; }
.etymoforge-anvil-chip--suffix  { background: #fef9c3; border-color: #fde047; color: #854d0e; }
.etymoforge-chip-correct { outline: 3px solid var(--school-xp, #22c55e) !important; }
.etymoforge-chip-wrong   { outline: 3px solid #f87171 !important; animation: multab-shake 0.3s ease; }

.etymoforge-result {
  background: var(--school-surface-alt, #f5f7fb);
  border-left: 4px solid var(--school-primary, #3b7ae0);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
}
.etymoforge-result-inner { width: 100%; }
.etymoforge-combo-preview { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }

.etymoforge-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 700px) {
  .etymoforge-columns { grid-template-columns: 1fr; }
}
.etymoforge-col {
  background: var(--school-bg, #fff);
  border: 1.5px solid var(--school-primary-soft, #c7d7f4);
  border-radius: 12px;
  padding: 12px;
}
.etymoforge-col-header {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--school-primary, #3b7ae0);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.etymoforge-brick-list { display: flex; flex-direction: column; gap: 6px; }
.etymoforge-brick {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--school-surface-alt, #f5f7fb);
  border: 1.5px solid var(--school-primary-soft, #c7d7f4);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  text-align: left;
  width: 100%;
}
.etymoforge-brick:hover {
  background: var(--school-primary-soft, #c7d7f4);
  border-color: var(--school-primary, #3b7ae0);
  transform: translateY(-1px);
}
.etymoforge-brick--used { opacity: 0.38; cursor: default; pointer-events: none; }
.etymoforge-brick--pool {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  min-width: 130px;
}
.etymoforge-brick-label { font-weight: 700; font-size: 0.9rem; }
.etymoforge-brick-meaning { font-size: 0.72rem; color: var(--school-text-muted, #8a96a8); }

.etymoforge-challenge-card {
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 100%);
  border: 2px solid var(--school-primary-soft, #c7d7f4);
  border-radius: 12px;
  padding: 16px 20px;
}
.etymoforge-defis-anvil {
  min-height: 52px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  background: var(--school-bg, #fff);
  border: 2px solid var(--school-primary-soft, #c7d7f4);
  border-radius: 10px;
  padding: 10px 14px;
}
.etymoforge-tab-btn { opacity: 0.7; }
.etymoforge-tab-btn.active { opacity: 1; }


.funcgame-board {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 0;
}
.funcgame-words, .funcgame-labels { display: flex; flex-direction: column; gap: 10px; z-index: 2; position: relative; }
.funcgame-words { align-items: flex-start; }
.funcgame-labels { align-items: flex-end; }
.funcgame-word, .funcgame-label {
  cursor: pointer;
  background: var(--school-surface-alt, #f5f7fb);
  border: 2px solid var(--school-primary-soft);
  border-radius: 10px;
  padding: 8px 14px;
  font-weight: 600;
  user-select: none;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.funcgame-word:hover, .funcgame-label:hover {
  border-color: var(--school-primary);
  transform: translateX(2px);
}
.funcgame-selected { border-color: var(--school-primary) !important; background: var(--school-primary-soft) !important; }
.funcgame-linked { opacity: 0.7; border-style: dashed; }
.funcgame-correct { border-color: var(--school-xp) !important; background: var(--school-xp-soft) !important; opacity: 1 !important; border-style: solid; }
.funcgame-wrong { border-color: var(--school-danger-soft, #fca5a5) !important; opacity: 1 !important; border-style: solid; animation: multab-shake 0.3s ease; }
.funcgame-lines { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }

.multab-table { text-align: center; }
.multab-head {
  background: var(--school-primary-soft);
  color: var(--school-primary);
  text-align: center;
  font-weight: 700;
}
.multab-cell { text-align: center; font-variant-numeric: tabular-nums; }
.multab-blank {
  cursor: default;
  font-weight: 700;
  color: var(--school-primary);
  background: var(--school-primary-soft);
}
.multab-found {
  font-weight: 700;
  color: var(--school-xp);
  background: var(--school-xp-soft);
  transition: background 0.3s ease;
}
.multab-wrong {
  animation: multab-shake 0.3s ease;
  border-color: var(--school-danger-soft) !important;
}
.multab-common {
  position: relative;
  font-weight: 700;
  color: #92400e;
  cursor: help;
}
.multab-common::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d97706;
}
.multab-legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
  font-size: 0.85rem;
}
.multab-legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--school-xp-soft);
  border: 1px solid #92400e;
}
@keyframes multab-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.school-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.school-btn-outline {
  background: var(--school-surface);
  color: var(--school-primary-dark) !important;
  border: 1.5px solid var(--school-primary);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  text-decoration: none !important;
}

.school-btn-outline:hover {
  background: var(--school-primary);
  color: #ffffff !important;
  border-color: var(--school-primary);
  transform: translateY(-2px);
  box-shadow: var(--school-shadow-btn-hover);
}

.school-btn-outline:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.school-btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  vertical-align: middle;
}
.school-btn-sm:hover {
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.14);
}

/* --- Styles garantis à fort contraste et élévation dynamique pour tous les boutons (.btn et .btn-outline-*) --- */
.btn {
  font-weight: 600;
  border-radius: var(--school-radius-md);
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease !important;
  text-decoration: none !important;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
}

/* Outline Secondary */
.btn-outline-secondary {
  color: var(--school-text, #334155) !important;
  border-color: var(--school-border, #cbd5e1) !important;
  background-color: var(--school-surface, #ffffff);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
}
.btn-outline-secondary:hover {
  color: #ffffff !important;
  background-color: #475569 !important;
  border-color: #475569 !important;
  box-shadow: 0 4px 14px rgba(71, 85, 105, 0.25);
}

/* Outline Primary */
.btn-outline-primary {
  color: #0284c7 !important;
  border-color: #0284c7 !important;
  background-color: var(--school-surface, #ffffff);
  box-shadow: 0 2px 5px rgba(2, 132, 199, 0.08);
}
.btn-outline-primary:hover {
  color: #ffffff !important;
  background-color: #0284c7 !important;
  border-color: #0284c7 !important;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

/* Outline Danger (ex: Ko-fi) */
.btn-outline-danger {
  color: #e11d48 !important;
  border-color: #e11d48 !important;
  background-color: var(--school-surface, #ffffff);
  box-shadow: 0 2px 5px rgba(225, 29, 72, 0.08);
}
.btn-outline-danger:hover {
  color: #ffffff !important;
  background-color: #e11d48 !important;
  border-color: #e11d48 !important;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.3);
}

/* Outline Warning */
.btn-outline-warning {
  color: #92400e !important;
  border-color: #f59e0b !important;
  background-color: var(--school-surface, #ffffff);
}
.btn-outline-warning:hover {
  color: #1e293b !important;
  background-color: #f59e0b !important;
  border-color: #f59e0b !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

/* Outline Success */
.btn-outline-success {
  color: #059669 !important;
  border-color: #059669 !important;
  background-color: var(--school-surface, #ffffff);
}
.btn-outline-success:hover {
  color: #ffffff !important;
  background-color: #059669 !important;
  border-color: #059669 !important;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
}

/* Boutons pleins (solid) */
.btn-warning {
  color: #1e293b !important;
  background-color: #f6c915 !important;
  border-color: #f6c915 !important;
  box-shadow: 0 2px 6px rgba(246, 201, 21, 0.35);
}
.btn-warning:hover {
  color: #0f172a !important;
  background-color: #eab308 !important;
  border-color: #eab308 !important;
  box-shadow: 0 6px 16px rgba(234, 179, 8, 0.45);
}

.btn-primary {
  color: #ffffff !important;
  background-color: #0070ba !important;
  border-color: #0070ba !important;
  box-shadow: 0 2px 6px rgba(0, 112, 186, 0.3);
}
.btn-primary:hover {
  color: #ffffff !important;
  background-color: #005ea6 !important;
  border-color: #005ea6 !important;
  box-shadow: 0 6px 16px rgba(0, 112, 186, 0.45);
}

/* --- Vocabulaire — filtres + autocomplétion + tri --- */
.vocab-filters-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 900px) {
  .vocab-filters-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 550px) {
  .vocab-filters-row { grid-template-columns: 1fr; }
}
.vocab-filter-group { display: flex; flex-direction: column; gap: 4px; }
.vocab-filter-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--school-text-muted, #8a96a8);
}
.vocab-autocomplete-wrap { position: relative; }
.vocab-filter-input { width: 100%; }

.vocab-ac-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--school-bg, #fff);
  border: 1.5px solid var(--school-primary-soft, #c7d7f4);
  border-top: none;
  border-radius: 0 0 8px 8px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  max-height: 220px;
  overflow-y: auto;
  box-shadow: 0 6px 16px rgba(0,0,0,0.10);
}
.vocab-ac-item {
  padding: 7px 14px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--school-text, #1e293b);
  transition: background 0.1s;
}
.vocab-ac-item:hover { background: var(--school-primary-soft, #c7d7f4); }
.vocab-ac-item mark {
  background: none;
  color: var(--school-primary, #3b7ae0);
  font-weight: 700;
}

.vocab-th-sortable {
  cursor: pointer;
  user-select: none;
}
.vocab-th-sortable:hover { background: var(--school-surface-hover, rgba(0,0,0,0.04)) !important; }
.vocab-sort-icon { margin-left: 4px; font-size: 0.75rem; opacity: 0.4; }
.vocab-sort-icon.active { opacity: 1; color: var(--school-primary, #3b7ae0); }

/* --- Vocabulaire --- */

.vocab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--school-surface, #ffffff);
  border: 1px solid var(--school-border, #e6e9f0);
  border-radius: var(--school-radius-md, 8px);
  overflow: hidden;
}

.vocab-table th {
  background: var(--school-surface-secondary, #f8fafc);
  color: var(--school-text, #334155);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  border-bottom: 2px solid var(--school-border, #e6e9f0);
  border-right: 1px solid var(--school-border, #e6e9f0);
}
.vocab-table th:last-child {
  border-right: none;
}

.vocab-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--school-border, #e6e9f0);
  border-right: 1px solid var(--school-border, #e6e9f0);
  vertical-align: middle;
}
.vocab-table td:last-child {
  border-right: none;
}

.vocab-table tbody tr:hover {
  background: var(--school-surface-hover, rgba(0, 0, 0, 0.03));
}

.vocab-word-cell {
  font-weight: 700;
  color: var(--school-primary-dark, #0284c7);
  white-space: nowrap;
}

.vocab-def-cell {
  color: var(--school-text, #1e293b);
  line-height: 1.5;
}

.vocab-entry {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--school-border, #e6e9f0);
}

.vocab-word {
  font-weight: 700;
  color: var(--school-primary-dark);
  min-width: 160px;
}

.vocab-def {
  color: var(--school-text-muted, #5a6472);
}

/* --- Barre de saut rapide entre groupes (ex. conjugaison 1er/2e/3e groupe) --- */
.conj-group-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 65px;
  z-index: 40;
  background: var(--school-surface);
  backdrop-filter: var(--school-glass-blur);
  -webkit-backdrop-filter: var(--school-glass-blur);
  padding: 12px 18px;
  margin: -10px 0 24px 0;
  border-radius: var(--school-radius-md);
  border: 1px solid var(--school-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.conj-group-btn {
  padding: 7px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--school-radius-pill);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.conj-group-btn:hover,
.conj-group-btn.active {
  background: var(--school-primary);
  color: #fff !important;
  border-color: var(--school-primary);
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

h2[id^="conj-group-"] {
  scroll-margin-top: 150px;
}

.lesson-toc {
  background: var(--school-surface-alt, #f5f7fb);
  border-radius: var(--school-radius-md);
  padding: 14px 18px;
}

.lesson-toc ul {
  margin: 6px 0 0;
  padding-left: 20px;
}

/* --- Navigation "livre" des cours façon Google Play Livres --- */
.lesson-book-layout {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  position: relative;
}

.lesson-sidebar {
  flex: 0 0 250px;
  min-width: 0;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  padding: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.lesson-sidebar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--school-primary-dark);
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--school-primary-soft);
}

.lesson-chapter + .lesson-chapter {
  margin-top: 16px;
}

.lesson-chapter-title {
  font-weight: 700;
  color: var(--school-text);
  font-size: 13.5px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lesson-chapter-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.lesson-chapter-list li {
  margin: 3px 0;
}

.lesson-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--school-text-muted);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.35;
  transition: all 0.15s ease;
}

.lesson-nav-link:hover {
  background: var(--school-surface-alt, #f1f5f9);
  color: var(--school-primary);
  transform: translateX(2px);
}

.lesson-nav-link.active {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  font-weight: 700;
  border-left: 3px solid var(--school-primary);
}

/* Zone du livre StPageFlip (Livre physique & tourne-page réaliste) */
.lesson-page-container {
  flex: 1;
  min-width: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

.lesson-flip-book-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin: 0 auto;
  min-height: 760px;
  position: relative;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--school-radius-lg, 16px);
  padding: 12px 0;
}

.lesson-flip-book {
  width: 100%;
  max-width: 920px;
  min-height: 760px;
  margin: 0 auto;
}

/* Page individuelle du livre StPageFlip */
.lesson-flip-page {
  background-color: var(--school-card-bg, #ffffff);
  color: var(--school-text);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 
    -2px 0 6px rgba(0, 0, 0, 0.04),
    2px 2px 0 #f1f5f9,
    4px 4px 16px rgba(15, 23, 42, 0.08);
  box-sizing: border-box;
  height: 100%;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: flex;
  flex-direction: column;
  border-radius: 4px 12px 12px 4px;
  user-select: text !important;
  -webkit-user-select: text !important;
}

.lesson-flip-page::-webkit-scrollbar {
  width: 6px;
}

.lesson-flip-page::-webkit-scrollbar-thumb {
  background: var(--school-border);
  border-radius: 9999px;
}

.lesson-flip-page-inner {
  padding: 28px 32px 36px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  /* Ombre subtile de pliure de la reliure intérieure */
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.05) 0px, rgba(0, 0, 0, 0.01) 16px, transparent 36px);
  font-size: var(--lesson-font-size, 16px);
  user-select: text !important;
  -webkit-user-select: text !important;
}

.lesson-sheet-body,
.lesson-sheet-title,
.lesson-flip-page p,
.lesson-flip-page li,
.lesson-flip-page span,
.lesson-flip-page strong,
.lesson-flip-page em,
.lesson-flip-page code,
.lesson-flip-page div {
  user-select: text !important;
  -webkit-user-select: text !important;
}

.lesson-flip-page.paper-sepia,
.lesson-flip-page.paper-sepia .lesson-flip-page-inner {
  background-color: #fcf6e8 !important;
  color: #433422 !important;
}

.lesson-flip-page.paper-oled,
.lesson-flip-page.paper-oled .lesson-flip-page-inner {
  background-color: #0b0f19 !important;
  color: #e2e8f0 !important;
}

/* Encart élégant « Cliquer ici » pour tourner la page au clic */
.book-corner-encart {
  position: absolute;
  top: 14px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid var(--school-primary, #14b8a6);
  background: var(--school-surface, #ffffff);
  color: var(--school-primary-dark, #0f766e);
  box-shadow: 0 3px 10px rgba(20, 184, 166, 0.18), 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none !important;
  -webkit-user-select: none !important;
  line-height: 1.2;
}

.book-corner-encart.book-corner-right {
  right: 14px;
}

.book-corner-encart.book-corner-left {
  left: 14px;
}

.book-corner-encart:hover {
  background: var(--school-primary, #14b8a6);
  color: #ffffff;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 16px rgba(20, 184, 166, 0.35);
}

.book-corner-encart:active {
  transform: translateY(0) scale(0.98);
}

/* En mode double page (landscape), masquer les encarts intérieurs (qui pointent vers la pliure centrale) */
.stf__wrapper.--landscape .stf__item.--left .book-corner-right,
.stf__wrapper.--landscape .stf__item.--right .book-corner-left {
  display: none !important;
}

/* Thème Sépia pour les encarts */
.lesson-flip-page.paper-sepia .book-corner-encart {
  background: #fcf6e8 !important;
  border-color: #b45309 !important;
  color: #78350f !important;
  box-shadow: 0 3px 8px rgba(180, 83, 9, 0.15) !important;
}
.lesson-flip-page.paper-sepia .book-corner-encart:hover {
  background: #b45309 !important;
  color: #ffffff !important;
}

/* Thème Sombre OLED pour les encarts */
.lesson-flip-page.paper-oled .book-corner-encart {
  background: #1e293b !important;
  border-color: #38bdf8 !important;
  color: #38bdf8 !important;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.4) !important;
}
.lesson-flip-page.paper-oled .book-corner-encart:hover {
  background: #38bdf8 !important;
  color: #0f172a !important;
}

/* Barre supérieure du livre (progression & pagination rapide) */
.lesson-book-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--school-border);
}

.lesson-sheet-check-btn {
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  color: var(--school-text-muted, #64748b);
  border-radius: 9999px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lesson-sheet-check-btn:hover {
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
  background: var(--school-primary-soft);
}

.lesson-sheet-check-btn.is-done {
  background: #10b981 !important;
  color: #ffffff !important;
  border-color: #059669 !important;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

.lesson-book-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--school-text-muted);
}

.lesson-book-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 9999px;
  background: var(--school-surface-alt, #f1f5f9);
  font-weight: 600;
  font-size: 12px;
}

.lesson-book-quick-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lesson-book-quick-btn {
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  color: var(--school-text);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.lesson-book-quick-btn:hover:not(:disabled) {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  border-color: var(--school-primary);
  transform: translateY(-1px);
}

.lesson-book-quick-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Boutons de tranche latéraux flottants (Google Play Livres) */
.lesson-edge-paddle {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 64px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  z-index: 20;
  color: var(--school-text);
  font-size: 20px;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  backdrop-filter: blur(4px);
}

.lesson-edge-paddle:hover:not(:disabled) {
  background: var(--school-primary);
  color: #ffffff;
  width: 48px;
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.3);
}

.lesson-edge-paddle.paddle-prev {
  left: -22px;
}

.lesson-edge-paddle.paddle-next {
  right: -22px;
}

.lesson-edge-paddle:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lesson-page-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
}

.lesson-page-nav .school-btn {
  max-width: 48%;
}

@media (max-width: 767.98px) {
  .lesson-book-layout {
    flex-direction: column;
  }

  .lesson-sidebar {
    position: static;
    max-height: none;
    width: 100%;
    flex-basis: auto;
  }
}

/* --- Mythologie (arbre généalogique) --- */
.myth-tree {
  position: relative;
}

.myth-connectors {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 0;
}

.myth-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
}

.myth-card {
  background: var(--school-surface-alt, #f5f7fb);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  padding: 14px 10px;
  text-align: center;
  width: 164px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.myth-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.myth-avatar {
  width: 116px;
  height: 180px;
  margin: 0 auto 8px;
  display: block;
  object-fit: cover;
  border-radius: 10px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.myth-name {
  font-weight: 800;
  color: var(--school-primary-dark);
}

.myth-parent-note {
  font-size: 0.72rem;
  color: var(--school-text-muted, #5a6472);
  font-style: italic;
}

.myth-epithet {
  font-size: 0.82rem;
  color: var(--school-text-muted, #5a6472);
  margin-top: 4px;
}

.myth-source {
  font-size: 0.72rem;
  color: var(--school-text-muted, #5a6472);
  margin-top: 8px;
  font-style: italic;
}

.myth-source-link {
  font-size: 0.72rem;
  color: var(--school-primary-dark);
  margin-top: 8px;
  font-style: italic;
  background: none;
  border: none;
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
}

.myth-source-link:hover {
  color: var(--school-primary, #14b8a6);
}

/* --- Fabrique ton quiz --- */
.custom-quiz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.custom-quiz-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--school-surface-alt, #f5f7fb);
  border-radius: var(--school-radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.quiz-theme-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  margin: 4px 4px 4px 0;
  border-radius: 9999px;
  background: var(--school-surface-alt, #f5f7fb);
  font-size: 0.84rem;
  cursor: pointer;
  border: 1px solid var(--school-border, #e2e8f0);
  transition: all 0.2s ease;
  user-select: none;
}

.quiz-theme-badge:hover {
  background: var(--school-primary-soft, #e0f2fe);
  border-color: var(--school-primary, #0284c7);
  color: var(--school-primary-dark, #0369a1);
}

.quiz-theme-badge.active {
  background: var(--school-primary, #0284c7);
  border-color: var(--school-primary, #0284c7);
  color: #ffffff;
  font-weight: 600;
}

/* --- Sidebar --- */
.school-sidebar {
  width: 280px;
  flex-shrink: 0;
  padding: 20px 14px;
}

.school-content-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.school-breadcrumb {
  padding: 14px 32px 0;
  font-size: 0.84rem;
  color: var(--school-text-muted);
}

.school-breadcrumb a {
  color: var(--school-text-muted);
  text-decoration: none;
}

.school-breadcrumb a:hover {
  color: var(--school-primary-dark);
  text-decoration: underline;
}

.school-breadcrumb .crumb-current {
  color: var(--school-text);
  font-weight: 700;
}

.sidebar-toggle-btn,
.theme-toggle-btn {
  background: var(--school-surface-alt);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  width: 38px;
  height: 38px;
  font-size: 1.05rem;
  cursor: pointer;
  color: var(--school-text);
}

.sidebar-toggle-btn:hover,
.theme-toggle-btn:hover {
  background: var(--school-primary-soft);
}

.dyslexia-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--school-surface-alt);
  border: 1.5px solid var(--school-border);
  color: var(--school-text);
  border-radius: var(--school-radius-pill);
  padding: 6px 14px;
  height: 38px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
  white-space: nowrap;
  user-select: none;
}

.dyslexia-toggle-btn:hover {
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
  background: var(--school-primary-soft);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.dyslexia-toggle-btn:active {
  transform: translateY(0);
}

.dyslexia-toggle-btn.active {
  background: var(--school-primary) !important;
  border-color: var(--school-primary) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4) !important;
}

.dyslexia-toggle-btn.active:hover {
  background: var(--school-primary-dark) !important;
  border-color: var(--school-primary-dark) !important;
}

.dyslexia-toggle-btn .dyslexia-icon {
  font-size: 1.05rem;
  line-height: 1;
}

@media (max-width: 767.98px) {
  .dyslexia-toggle-btn .dyslexia-label {
    display: none;
  }
  .dyslexia-toggle-btn {
    padding: 0;
    width: 38px;
    justify-content: center;
  }
}

/* --- Infobulles et termes clés du glossaire --- */
.glossary-term {
  border: none !important;
  background: transparent !important;
  font-family: inherit !important;
  font-size: inherit !important;
  font-weight: 600 !important;
  line-height: inherit !important;
  text-align: inherit !important;
  color: #0284c7 !important;
  text-decoration: underline !important;
  text-decoration-style: dashed !important;
  text-decoration-color: #0284c7 !important;
  text-underline-offset: 3px;
  cursor: pointer;
  border-radius: 4px;
  padding: 0 2px;
  margin: 0;
  transition: all 0.15s ease;
  display: inline;
  vertical-align: baseline;
  -webkit-appearance: none;
  appearance: none;
}

[data-bs-theme="dark"] .glossary-term {
  color: #38bdf8 !important;
  text-decoration-color: #38bdf8 !important;
}

.glossary-term:hover,
.glossary-term:focus {
  background: rgba(2, 132, 199, 0.12) !important;
  color: #0369a1 !important;
  text-decoration-style: solid !important;
  outline: none;
}

[data-bs-theme="dark"] .glossary-term:hover,
[data-bs-theme="dark"] .glossary-term:focus {
  background: rgba(56, 189, 248, 0.2);
  color: #7dd3fc !important;
}

/* Boîte / Infobulle de définition interactive */
.glossary-popover {
  position: absolute;
  z-index: 99999;
  max-width: 330px;
  width: calc(100vw - 32px);
  background: var(--school-card-bg, #ffffff);
  border: 1.5px solid var(--school-border, #cbd5e1);
  border-radius: var(--school-radius-md, 14px);
  padding: 14px 16px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: glossaryPopIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--school-font);
  color: var(--school-text, #1e293b);
}

[data-bs-theme="dark"] .glossary-popover {
  background: rgba(18, 24, 38, 0.95);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

@keyframes glossaryPopIn {
  from { opacity: 0; transform: scale(0.92) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.glossary-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--school-border, #e2e8f0);
  padding-bottom: 6px;
}

.glossary-popover-title {
  font-weight: 800;
  font-size: 1.05rem;
  color: #0284c7;
  margin: 0;
}

[data-bs-theme="dark"] .glossary-popover-title {
  color: #38bdf8;
}

.glossary-popover-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
  border-radius: 999px;
  padding: 2px 8px;
}

[data-bs-theme="dark"] .glossary-popover-badge {
  background: rgba(56, 189, 248, 0.18);
  color: #7dd3fc;
}

.glossary-popover-close {
  background: none;
  border: none;
  font-size: 1.15rem;
  color: var(--school-text-muted, #64748b);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.15s ease;
}
.glossary-popover-close:hover {
  color: var(--school-text, #0f172a);
}

.glossary-popover-def {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--school-text, #334155);
  margin-bottom: 8px;
}

.glossary-popover-example {
  font-size: 0.82rem;
  background: var(--school-surface-alt, #f8fafc);
  border-left: 3px solid #0284c7;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--school-text-muted, #475569);
  margin: 0;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 21, 0.55);
  z-index: 40;
}

.sidebar-overlay.open {
  display: block;
}

@media (max-width: 991.98px) {
  .school-breadcrumb {
    padding: 12px 16px 0;
  }

  .school-sidebar {
    position: fixed;
    top: var(--school-header-h, 68px);
    left: 0;
    bottom: 0;
    z-index: 50;
    background: var(--school-bg);
    overflow-y: auto;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.12);
  }

  .school-sidebar.open {
    transform: translateX(0);
  }

  .school-content {
    padding: 20px 16px;
  }
}

@media (min-width: 992px) {
  .sidebar-toggle-btn {
    display: none;
  }
}

/* --- Squelettes de chargement --- */
.skeleton-line {
  height: 16px;
  border-radius: var(--school-radius-pill);
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--school-surface-alt) 25%, var(--school-border) 37%, var(--school-surface-alt) 63%);
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
}

.skeleton-line.w-60 { width: 60%; }
.skeleton-line.w-80 { width: 80%; }
.skeleton-line.w-40 { width: 40%; }

@keyframes skeleton-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.school-content {
  flex: 1;
  padding: 28px 32px;
}

.school-layout {
  min-height: calc(100vh - 68px);
}

.sidebar-section-title {
  font-family: var(--school-font);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--school-primary-dark);
  margin: 4px 4px 10px;
  padding-left: 10px;
  border-left: 3px solid var(--school-primary);
}

.school-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  border-radius: var(--school-radius-md);
  padding: 10px 14px;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--school-text);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.school-menu-item:hover {
  background: linear-gradient(90deg, var(--school-primary-soft) 0%, rgba(20, 184, 166, 0.05) 100%);
  color: var(--school-primary-dark);
  transform: translateX(4px);
  box-shadow: 0 2px 10px rgba(15, 118, 110, 0.1), inset 3px 0 0 var(--school-primary);
}

.school-menu-item.active {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  font-weight: 800;
  box-shadow: inset 4px 0 0 var(--school-primary);
}

.school-menu-item[data-toggle] {
  position: relative;
  padding-right: 30px;
}

.school-menu-item[data-toggle]::after {
  content: '›';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
  font-weight: 700;
  color: var(--school-text-muted);
}

.school-menu-item[data-toggle]:hover::after {
  color: var(--school-primary);
}

.school-menu-item[data-toggle].menu-toggle-open::after {
  transform: translateY(-50%) rotate(90deg);
  color: var(--school-primary-dark);
}

.school-submenu {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-6px);
  transition: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.26s ease, transform 0.26s ease;
  margin: 0 0 0 10px;
  border-left: 3px solid var(--school-border);
  padding-left: 10px;
}

.school-submenu.open {
  max-height: 4000px;
  opacity: 1;
  transform: translateY(0);
  margin: 2px 0 10px 10px;
}

.school-grand-menu-title {
  font-size: 0.95rem;
  font-weight: 800;
  padding: 11px 14px;
  margin-bottom: 6px;
  background: var(--school-surface, #ffffff);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.school-grand-menu-title:hover {
  background: var(--school-primary-soft);
  border-color: var(--school-primary);
  transform: translateX(4px);
}

.school-grand-menu-title.menu-toggle-open {
  background: var(--school-primary-soft);
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
}

.school-grand-submenu {
  border-left: 2px solid var(--school-border);
  margin: 0 0 0 6px;
  padding-left: 8px;
}

.school-grand-submenu.open {
  max-height: 5000px;
  margin: 4px 0 12px 6px;
}

.school-submenu-nested {
  border-left-color: var(--school-primary, #14b8a6);
  margin-left: 4px;
}

.school-submenu-nested.open {
  max-height: 2500px;
  margin: 2px 0 6px 14px;
}

.school-submenu .school-menu-item {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 12px;
}

.school-submenu .school-menu-item:hover {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  transform: translateX(4px);
  box-shadow: inset 2px 0 0 var(--school-primary);
}

.submenu-group-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--school-primary-dark);
  margin: 10px 0 4px 4px;
}

.school-sidebar-separator {
  border: none;
  border-top: 3px solid var(--school-primary);
  border-radius: var(--school-radius-pill);
  margin: 20px 4px;
}

.school-level-selector {
  margin: 18px 4px 0;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  padding: 12px;
}

/* --- Cartes --- */
.school-card {
  background: var(--school-surface);
  border-radius: var(--school-radius-lg);
  box-shadow: var(--school-shadow-card);
  padding: 24px;
}

/* --- Barre de progression --- */
.school-progress {
  height: 14px;
  border-radius: var(--school-radius-pill);
  background: var(--school-surface-alt);
  overflow: hidden;
}

.school-progress-bar {
  height: 100%;
  background: var(--school-primary);
  border-radius: var(--school-radius-pill);
}

/* --- Quiz --- */
.quiz-choice {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 18px;
  border: 2px solid var(--school-border);
  border-radius: var(--school-radius-md);
  background: var(--school-surface);
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--school-text);
  cursor: pointer;
  transition: border-color 0.1s ease, background 0.1s ease;
}

.quiz-choice:hover:not(:disabled) {
  border-color: var(--school-primary);
  background: var(--school-primary-soft);
}

.quiz-choice:disabled { cursor: default; }

.quiz-choice.correct {
  border-color: var(--school-success);
  background: var(--school-success-soft);
  color: var(--school-success-text);
  animation: quiz-pulse 0.35s ease;
}

.quiz-choice.incorrect {
  border-color: var(--school-danger);
  background: var(--school-danger-soft);
  color: var(--school-danger-text);
  animation: quiz-shake 0.35s ease;
}

@keyframes quiz-pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes quiz-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.quiz-explanation {
  font-weight: 600;
  color: var(--school-text-muted);
  min-height: 1.2em;
}

/* --- Cartes mentales --- */
.mindmap-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.mindmap-picker-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 14px;
  border: 2px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  background: var(--school-surface);
  cursor: pointer;
  text-align: center;
  font-weight: 700;
  transition: border-color 0.1s ease, transform 0.08s ease;
}

.mindmap-picker-card:hover {
  border-color: var(--school-primary);
  transform: translateY(-2px);
}

.mindmap-picker-card img { width: 64px; height: 64px; }

/* --- Carte mentale "pieuvre" : idée centrale + ramifications courbes --- */
.mindmap-radial {
  position: relative;
  padding-top: 10px;
}

.mindmap-connectors {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.mindmap-hub {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin: 0 auto 8px;
  padding: 18px 28px;
  max-width: fit-content;
  background: var(--school-text);
  color: #fff;
  border-radius: var(--school-radius-lg);
  box-shadow: var(--school-shadow-card);
}

.mindmap-hub img { width: 64px; height: 64px; flex-shrink: 0; }
.mindmap-hub h1 { margin: 0; color: #fff; font-size: 1.3rem; }

.mindmap-branches-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 48px 28px;
  margin-top: 56px;
}

.mindmap-branch {
  border-radius: var(--school-radius-lg);
  padding: 16px 18px;
  border: 3px solid var(--mm-color, var(--school-primary));
  background: var(--mm-bg, var(--school-primary-soft));
}

.mindmap-branch-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.02rem;
  margin-bottom: 10px;
  color: var(--mm-color, var(--school-primary-dark));
}

.mindmap-icon-bubble {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #fff;
  font-size: 1.05rem;
  box-shadow: 0 2px 0 rgba(0,0,0,0.08);
}

.mindmap-branch ul { list-style: none; margin: 0; padding: 0; }

.mindmap-branch > ul > li {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  padding-left: 14px;
  border-left: 3px solid var(--mm-color, var(--school-primary));
}

.mindmap-branch .mindmap-sub {
  font-weight: 400;
  font-size: 0.84rem;
  color: var(--school-text-muted);
  margin: 4px 0 0 14px;
  list-style: disc;
}

.mindmap-date-badge {
  display: inline-block;
  background: var(--school-xp-soft);
  color: #92620a;
  font-weight: 800;
  font-size: 0.78rem;
  padding: 1px 8px;
  border-radius: var(--school-radius-pill);
  margin: 0 2px;
}

/* --- Footer --- */
.school-footer {
  background: var(--school-surface);
  border-top: 1px solid var(--school-border);
  padding: 40px 0 24px;
  margin-top: 40px;
  color: var(--school-text-muted);
  font-size: 0.9rem;
}

.footer-col-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--school-text);
  margin-bottom: 12px;
}

.footer-links-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.footer-links-list li {
  margin-bottom: 8px;
}

.school-footer a {
  color: var(--school-text-muted);
  text-decoration: none;
  transition: color .15s ease;
}

.school-footer a:hover {
  color: var(--school-primary-dark);
  text-decoration: underline;
}

.footer-bottom-bar {
  border-color: var(--school-border) !important;
  font-size: 0.82rem;
}

/* --- Géocalc --- */
.shape-btn { transition: all .15s; }

.result-card { animation: geocalc-fade-in .25s ease; }
@keyframes geocalc-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.formula-table td { padding: 3px 10px 3px 0; vertical-align: top; }

#results:empty { display: none; }

/* --- Sélecteur de niveau global --- */
.level-gate-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--school-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.level-gate-overlay.d-none { display: none; }

.level-gate-card {
  max-width: 640px;
  width: 100%;
  min-width: 0;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  padding: 40px;
  text-align: center;
  overflow-wrap: break-word;
}

@media (max-width: 575.98px) {
  .level-gate-card {
    padding: 24px 16px;
  }
}

.level-gate-group-title {
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--school-text-muted);
  margin-bottom: 12px;
}

.level-gate-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.level-gate-btn {
  border: 2px solid var(--school-border);
  background: var(--school-bg);
  border-radius: var(--school-radius-pill);
  padding: 10px 20px;
  font-weight: 700;
  color: var(--school-text);
  cursor: pointer;
  transition: all .15s;
}

.level-gate-btn:hover {
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
}

/* --- MODE LISEUSE PLEIN ÉCRAN / ZEN FOCUS (SURIMPRESSION TOTALE) --- */
body.zen-reader-active {
  overflow: hidden !important;
}

body.zen-reader-active .school-header,
body.zen-reader-active .school-sidebar,
body.zen-reader-active .sidebar-overlay,
body.zen-reader-active .lesson-sidebar,
body.zen-reader-active .school-breadcrumb,
body.zen-reader-active .school-footer,
body.zen-reader-active .lesson-active-sheet-details {
  display: none !important;
}

body.zen-reader-active .school-layout {
  padding: 0 !important;
  margin: 0 !important;
  max-width: 100vw !important;
}

body.zen-reader-active .school-content-wrap,
body.zen-reader-active .school-content {
  padding: 0 !important;
  margin: 0 !important;
  max-width: 100vw !important;
}

body.zen-reader-active .lesson-book-layout {
  position: static !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  margin: 0 !important;
  padding: 0 !important;
}

body.zen-reader-active .lesson-page-container {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 100000 !important;
  background: var(--school-bg, #f8fafc) !important;
  margin: 0 !important;
  padding: 16px 32px 20px 32px !important;
  box-sizing: border-box !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}

body.zen-reader-active .zen-toolbar-container {
  width: 100% !important;
  max-width: 1200px !important;
  margin-bottom: 12px !important;
  padding-right: 64px !important; /* Espace réservé pour le bouton rond de fermeture en haut à droite */
}

body.zen-reader-active .lesson-flip-book-wrapper {
  max-width: 1260px !important;
  width: 100% !important;
  height: calc(100vh - 100px) !important;
  min-height: 520px !important;
  margin: 0 auto !important;
  flex: 1 !important;
  background: transparent !important;
}

body.zen-reader-active .lesson-flip-book {
  max-width: 1200px !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 500px !important;
}

/* Bouton circulaire de fermeture du mode Zen (haut à droite) */
.zen-close-circle-btn {
  display: none;
  position: fixed;
  top: 14px;
  right: 20px;
  z-index: 100010;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--school-surface, #ffffff);
  color: #ef4444;
  border: 2px solid #ef4444;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25), 0 2px 6px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
}

.zen-close-circle-btn:hover {
  background: #ef4444;
  color: #ffffff;
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.zen-close-circle-btn:active {
  transform: scale(0.95);
}

body.zen-reader-active .zen-close-circle-btn {
  display: flex !important;
}

.zen-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  background: var(--school-surface-alt);
  padding: 6px 12px;
  border-radius: var(--school-radius-md, 12px);
  border: 1px solid var(--school-border);
  flex-wrap: wrap;
}

.zen-btn {
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  color: var(--school-text);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.zen-btn:hover {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
}

.zen-btn.active {
  background: #dc2626 !important;
  color: #ffffff !important;
  border-color: #b91c1c !important;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.35);
}

/* Thèmes de papier de lecture */
.lesson-book-sheet.paper-sepia,
.lesson-flip-page.paper-sepia {
  background-color: #fcf6e8 !important;
  color: #433422 !important;
  border-color: #ebdcb9 !important;
}

.lesson-book-sheet.paper-oled,
.lesson-flip-page.paper-oled {
  background-color: #0b0f19 !important;
  color: #e2e8f0 !important;
  border-color: #1e293b !important;
}

body.zen-reader-active:has(.lesson-flip-page.paper-sepia) .lesson-page-container {
  background: #f7f1e1 !important;
}

body.zen-reader-active:has(.lesson-flip-page.paper-oled) .lesson-page-container {
  background: #060910 !important;
}

.lesson-book-sheet {
  font-size: var(--lesson-font-size, 16px);
}

/* --- GAMIFICATION & QUÊTES DU JOUR --- */
.xp-header-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--school-xp-soft);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  color: #b45309;
}

.xp-bar-track {
  width: 60px;
  height: 6px;
  background: rgba(245, 158, 11, 0.2);
  border-radius: 9999px;
  overflow: hidden;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #eab308);
  border-radius: 9999px;
  transition: width 0.4s ease;
}

.streak-flame-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--school-streak-soft);
  border: 1px solid rgba(249, 115, 22, 0.3);
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  color: #c2410c;
  cursor: pointer;
  animation: streakPulse 2s infinite ease-in-out;
}

@keyframes streakPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.quests-toggle-btn {
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  color: var(--school-text);
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.quests-toggle-btn:hover {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  border-color: var(--school-primary);
}

.quest-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--school-surface-alt);
  border: 1px solid var(--school-border);
  border-radius: 12px;
  margin-bottom: 8px;
}

.quest-item.completed {
  background: var(--school-success-soft);
  border-color: rgba(34, 197, 94, 0.4);
}

.quest-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 2px;
}

.quest-reward {
  font-size: 11px;
  font-weight: 800;
  color: #b45309;
}

/* --- BENTO GRID MODERNE D'ACCUEIL --- */
.bento-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.bento-card {
  background: var(--school-card-bg, #ffffff);
  border: 1px solid var(--school-border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.bento-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(15, 118, 110, 0.12);
  border-color: rgba(20, 184, 166, 0.4);
}

/* Card Spans */
.bento-col-12 { grid-column: span 12; }
.bento-col-8  { grid-column: span 8; }
.bento-col-7  { grid-column: span 7; }
.bento-col-6  { grid-column: span 6; }
.bento-col-5  { grid-column: span 5; }
.bento-col-4  { grid-column: span 4; }
.bento-col-3  { grid-column: span 3; }

@media (max-width: 991px) {
  .bento-col-8, .bento-col-7, .bento-col-6, .bento-col-5, .bento-col-4, .bento-col-3 {
    grid-column: span 12;
  }
}

/* Hero Bento */
.bento-hero {
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.12) 0%, rgba(15, 118, 110, 0.04) 50%, var(--school-card-bg, #ffffff) 100%);
  border: 1px solid rgba(20, 184, 166, 0.25);
  padding: 32px;
}

.bento-hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.bento-hero-content > div:first-child {
  min-width: 0;
}

.bento-hero-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--school-text);
  margin-bottom: 8px;
  line-height: 1.25;
}

.bento-hero-subtitle {
  font-size: 1rem;
  color: var(--school-text-muted);
  margin-bottom: 20px;
}

.bento-level-selector {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--school-surface-alt, #f1f5f9);
  padding: 6px 12px;
  border-radius: 9999px;
  border: 1px solid var(--school-border);
  max-width: 100%;
}

@media (max-width: 575.98px) {
  .bento-level-selector {
    flex-wrap: wrap;
    border-radius: 14px;
    justify-content: center;
  }
}

.bento-level-btn {
  border: none;
  background: transparent;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--school-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.bento-level-btn:hover {
  color: var(--school-primary);
}

.bento-level-btn.active {
  background: var(--school-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.3);
}

.bento-hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.bento-hero-badge {
  flex-shrink: 0;
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 8px 16px rgba(15, 118, 110, 0.2));
  animation: bentoFloat 4s ease-in-out infinite alternate;
}

.bento-hero-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes bentoFloat {
  0%   { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-8px) rotate(2deg); }
}

/* En-tête de section Bento */
.bento-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.bento-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--school-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bento-card-subtitle {
  font-size: 0.85rem;
  color: var(--school-text-muted);
}

/* Grille de tuiles matières */
.bento-subject-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.bento-subject-tile {
  background: var(--school-surface-alt, #f8fafc);
  border: 1px solid var(--school-border);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  text-decoration: none;
  color: var(--school-text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  position: relative;
}

.bento-subject-tile:hover {
  background: var(--school-card-bg, #ffffff);
  border-color: var(--school-primary);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 16px rgba(15, 118, 110, 0.1);
}

.bento-subject-icon {
  font-size: 24px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--school-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bento-subject-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.bento-subject-desc {
  font-size: 0.78rem;
  color: var(--school-text-muted);
  line-height: 1.35;
}

/* Tuiles d'outils et interactifs */
.bento-tool-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--school-surface-alt, #f8fafc);
  border: 1px solid var(--school-border);
  cursor: pointer;
  text-decoration: none;
  color: var(--school-text);
  margin-bottom: 10px;
  transition: all 0.15s ease;
}

.bento-tool-item:last-child {
  margin-bottom: 0;
}

.bento-tool-item:hover {
  background: var(--school-card-bg, #ffffff);
  border-color: var(--school-primary);
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.08);
}

.bento-tool-icon {
  font-size: 20px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(20, 184, 166, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bento-tool-text {
  flex: 1;
  min-width: 0;
}

.bento-tool-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.bento-tool-desc {
  font-size: 0.75rem;
  color: var(--school-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Carte Gamification & Statistiques */
.bento-gamification-card {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.08) 0%, var(--school-card-bg, #ffffff) 100%);
  border: 1px solid rgba(234, 179, 8, 0.3);
}

.bento-stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.bento-stat-box {
  background: var(--school-card-bg, #ffffff);
  border: 1px solid var(--school-border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}

.bento-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--school-primary-dark);
}

.bento-stat-lbl {
  font-size: 0.75rem;
  color: var(--school-text-muted);
  font-weight: 600;
}

/* --- FLASHCARDS 3D DE RÉVISION EN FIN DE COURS --- */
.lesson-flashcards-section {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 2px dashed var(--school-border);
}

.flashcards-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.flashcards-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--school-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.flashcard-deck {
  perspective: 1200px;
  width: 100%;
  max-width: 560px;
  margin: 0 auto 20px;
  height: 240px;
}

.flashcard-3d {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.flashcard-3d.flipped {
  transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--school-radius-md, 16px);
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  border: 2px solid var(--school-border);
  background-color: var(--school-card-bg, #ffffff);
  box-sizing: border-box;
}

.flashcard-front {
  transform: rotateY(0deg);
  background: var(--school-card-bg, #ffffff);
  color: var(--school-text);
}

.flashcard-back {
  transform: rotateY(180deg);
  background: var(--school-card-bg, #ffffff);
  border-color: var(--school-primary);
  color: var(--school-text);
  box-shadow: 0 10px 28px rgba(15, 118, 110, 0.12);
}

.flashcard-badge {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--school-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.flashcard-back .flashcard-badge {
  color: #16a34a;
}

.flashcard-body {
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  margin: auto 0;
  line-height: 1.5;
  color: var(--school-text);
  overflow-y: auto;
  max-height: 140px;
  padding: 4px 0;
}

.flashcard-body strong {
  color: var(--school-primary-dark);
}

.flashcard-hint {
  font-size: 12px;
  color: var(--school-text-muted);
  text-align: center;
  font-weight: 500;
}

.flashcard-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}


.level-chip {
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-pill);
  padding: 4px 12px;
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--school-bg);
  cursor: pointer;
  color: var(--school-text);
}

.level-chip:hover { border-color: var(--school-primary); }

/* --- Badges --- */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}

.badge-card {
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  padding: 18px 12px;
  text-align: center;
  background: var(--school-surface);
}

.badge-card.badge-earned {
  background: var(--school-xp-soft);
  border-color: var(--school-xp);
}

.badge-card.badge-locked {
  opacity: 0.5;
  filter: grayscale(0.6);
}

.badge-icon {
  font-size: 2.2rem;
  line-height: 1;
  margin-bottom: 6px;
}

.badge-toast {
  background: var(--school-xp-soft);
  border: 1px solid var(--school-xp);
  border-radius: var(--school-radius-md);
  padding: 8px 14px;
  margin-top: 8px;
  font-weight: 600;
}

/* --- Admin --- */
.admin-table {
  width: 100%;
  font-size: 0.9rem;
}

.admin-table th, .admin-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--school-border);
  text-align: left;
  white-space: nowrap;
}

.admin-badge-success { color: var(--school-success); font-weight: 700; }
.admin-badge-danger { color: var(--school-danger); font-weight: 700; }

.admin-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.admin-tab-btn {
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  border-radius: var(--school-radius-pill);
  padding: 6px 16px;
  font-weight: 600;
  cursor: pointer;
}

.admin-tab-btn.active {
  background: var(--school-primary);
  color: #fff;
  border-color: var(--school-primary);
}

/* --- Modules interactifs de mathématiques (math-widgets.js) --- */
.math-widget {
  background: var(--school-surface-alt, #f5f7fb);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  padding: 16px 18px;
  margin: 14px 0;
}

.mw-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.mw-range {
  flex: 1;
  min-width: 140px;
  accent-color: var(--school-primary);
}

.mw-input {
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-sm, 6px);
  padding: 4px 8px;
  background: var(--school-surface);
  color: var(--school-text);
}

.mw-input.mw-narrow {
  width: 56px;
  text-align: center;
}

.mw-op-fixed {
  font-weight: 700;
  font-size: 1.1rem;
}

.mw-frac {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.mw-frac hr {
  width: 100%;
  margin: 0;
  border-top: 2px solid var(--school-text);
}

.mw-readout {
  font-size: 0.95rem;
  line-height: 1.6;
}

.mw-hint {
  color: var(--school-text-muted);
  font-size: 0.85rem;
}

.mw-align {
  font-family: var(--school-font-mono, 'JetBrains Mono', monospace);
  margin-bottom: 4px;
}

.mw-expr {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.mw-table {
  border-collapse: collapse;
  margin-top: 8px;
}

.mw-table th, .mw-table td {
  border: 1px solid var(--school-border);
  padding: 4px 10px;
  text-align: center;
  font-size: 0.85rem;
}

.mw-value {
  font-weight: 700;
}

/* ==========================================================================
   JEU DU PENDU & SYNONYMES
   ========================================================================== */
.hangman-container {
  max-width: 920px;
  margin: 0 auto;
}

.hangman-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--school-border);
}

.hangman-lives-box {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--school-surface-alt, #f8fafc);
  padding: 6px 14px;
  border-radius: var(--school-radius-pill);
  border: 1px solid var(--school-border);
  font-weight: 700;
  font-size: 0.95rem;
}

.hangman-hearts {
  color: #ef4444;
  letter-spacing: 2px;
  font-size: 1.1rem;
}

.hangman-game-area {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: center;
  background: var(--school-surface);
  border: 2px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  padding: 24px;
  box-shadow: var(--school-shadow-card);
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .hangman-game-area {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hangman-drawing-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--school-surface-alt, #f8fafc);
  border-radius: var(--school-radius-md);
  padding: 12px;
  border: 1px solid var(--school-border);
}

.hangman-word-area {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hangman-word-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 10px 0;
}

.hangman-letter-slot {
  width: 44px;
  height: 52px;
  border-bottom: 4px solid var(--school-primary);
  background: var(--school-surface-alt, #f1f5f9);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--school-text);
  text-transform: uppercase;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.hangman-letter-slot.revealed {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  animation: hangman-pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes hangman-pop {
  0% { transform: scale(0.6); opacity: 0; }
  70% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

/* Carte Bonus Synonymes */
.hangman-bonus-box {
  position: relative;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(217, 119, 6, 0.15) 100%);
  border: 2px dashed rgba(245, 158, 11, 0.5);
  border-radius: var(--school-radius-md);
  padding: 16px;
  transition: all 0.3s ease;
}

.hangman-bonus-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hangman-bonus-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  border: none;
  border-radius: var(--school-radius-pill);
  padding: 8px 18px;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: center;
}

.hangman-bonus-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 119, 6, 0.35);
}

.hangman-bonus-content {
  background: var(--school-surface, #ffffff);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 10px;
  padding: 12px 16px;
  animation: hangman-bonus-reveal 0.4s ease;
}

@keyframes hangman-bonus-reveal {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Clavier virtuel */
.hangman-keyboard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 720px;
  margin: 0 auto;
}

.hangman-keyboard-row {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.hangman-key {
  min-width: 38px;
  height: 44px;
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--school-text);
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 2px 0 var(--school-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hangman-key:hover:not(:disabled) {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
  border-color: var(--school-primary);
  transform: translateY(-2px);
}

.hangman-key:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: none;
}

.hangman-key.key-correct {
  background: var(--school-success-soft, #dcfce7) !important;
  color: var(--school-success, #16a34a) !important;
  border-color: var(--school-success, #16a34a) !important;
  opacity: 0.85;
  cursor: default;
}

.hangman-key.key-wrong {
  background: var(--school-surface-alt, #f1f5f9) !important;
  color: var(--school-text-muted, #94a3b8) !important;
  border-color: var(--school-border) !important;
  opacity: 0.45;
  text-decoration: line-through;
  cursor: default;
}

/* ==========================================================================
   JEU DE MOTS CROISÉS
   ========================================================================== */
.crosswords-container {
  max-width: 1040px;
  margin: 0 auto;
}

.crosswords-level-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--school-border);
  padding-bottom: 12px;
  flex-wrap: wrap;
}

.crosswords-tab-btn {
  background: var(--school-surface-alt, #f1f5f9);
  border: 2px solid var(--school-border);
  border-radius: var(--school-radius-pill);
  padding: 8px 18px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--school-text);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.crosswords-tab-btn:hover {
  background: var(--school-primary-soft);
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
}

.crosswords-tab-btn.active {
  background: var(--school-primary);
  color: #ffffff;
  border-color: var(--school-primary);
  box-shadow: 0 2px 8px rgba(20, 184, 166, 0.3);
}

.crosswords-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-md);
  padding: 10px 16px;
  margin-bottom: 18px;
}

.crosswords-active-clue-banner {
  background: linear-gradient(90deg, var(--school-primary-soft) 0%, rgba(20, 184, 166, 0.05) 100%);
  border-left: 4px solid var(--school-primary);
  border-radius: 8px;
  padding: 12px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--school-text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

.crosswords-active-clue-badge {
  background: var(--school-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.82rem;
  padding: 3px 8px;
  border-radius: 6px;
  flex-shrink: 0;
}

.crosswords-main-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 900px) {
  .crosswords-main-layout {
    grid-template-columns: 1fr;
  }
}

.crosswords-grid-wrapper {
  background: var(--school-surface);
  border: 2px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  padding: 16px;
  box-shadow: var(--school-shadow-card);
  overflow-x: auto;
  display: flex;
  justify-content: center;
}

.crosswords-board {
  border-collapse: collapse;
  margin: 0 auto;
  user-select: none;
}

.crosswords-cell {
  width: 42px;
  height: 42px;
  position: relative;
  text-align: center;
  vertical-align: middle;
  padding: 0;
  box-sizing: border-box;
}

.crosswords-cell-black {
  background: #1e293b !important;
  border: 1px solid #0f172a;
}

.crosswords-cell-white {
  background: var(--school-surface, #ffffff);
  border: 1px solid var(--school-border, #cbd5e1);
  cursor: pointer;
  transition: background 0.12s ease;
}

.crosswords-cell-num {
  position: absolute;
  top: 2px;
  left: 3px;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--school-text-muted, #64748b);
  pointer-events: none;
  line-height: 1;
}

.crosswords-cell-char {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--school-text, #0f172a);
  text-transform: uppercase;
  pointer-events: none;
  line-height: 42px;
  display: block;
}

.crosswords-cell.word-active {
  background: var(--school-primary-soft, rgba(20, 184, 166, 0.15)) !important;
}

.crosswords-cell.cell-focused {
  background: #fef08a !important;
  box-shadow: inset 0 0 0 2px #ca8a04;
}

.crosswords-cell.cell-wrong {
  background: #fee2e2 !important;
  border-color: #ef4444 !important;
}

.crosswords-cell.cell-correct {
  background: #dcfce7 !important;
  border-color: #16a34a !important;
}

/* Liste des définitions */
.crosswords-clues-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  padding: 20px;
  box-shadow: var(--school-shadow-card);
}

@media (max-width: 600px) {
  .crosswords-clues-box {
    grid-template-columns: 1fr;
  }
}

.crosswords-clues-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--school-primary-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.crosswords-clue-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.crosswords-clue-item {
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--school-surface-alt, #f8fafc);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.88rem;
  line-height: 1.4;
  transition: all 0.15s ease;
}

.crosswords-clue-item:hover {
  background: var(--school-primary-soft);
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
}

.crosswords-clue-item.active {
  background: var(--school-primary-soft);
  border-color: var(--school-primary);
  color: var(--school-primary-dark);
  font-weight: 700;
  box-shadow: inset 3px 0 0 var(--school-primary);
}

.crosswords-clue-item.completed {
  opacity: 0.6;
  text-decoration: line-through;
}

.crosswords-clue-num {
  font-weight: 800;
  color: var(--school-primary);
  margin-right: 4px;
}

/* =============================================================================
   Frise Chronologique Interactive (Histoire-Géographie Collège)
   Style inspiré de "La Frise Historique" (Bout de Gomme)
   ========================================================================== */

.frise-main-card {
  padding: 24px;
  overflow: hidden;
}

.frise-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--school-text);
}

.frise-header-box {
  margin-bottom: 16px;
}

.frise-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  margin-bottom: 12px;
}

.frise-filter-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.frise-chip {
  border: 1px solid var(--school-border);
  background: var(--school-surface);
  color: var(--school-text);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.frise-chip:hover {
  background: var(--school-surface-alt);
  transform: translateY(-1px);
}

.frise-chip.active {
  background: var(--era-color, var(--school-primary));
  color: #fff;
  border-color: var(--era-color, var(--school-primary));
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.frise-search-box {
  position: relative;
  min-width: 260px;
  max-width: 380px;
  flex-grow: 1;
}

.frise-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.5;
  pointer-events: none;
  font-size: 0.9rem;
}

.frise-search-input {
  padding-left: 32px;
  padding-right: 28px;
  border-radius: 999px;
  border: 1px solid var(--school-border);
  background: var(--school-surface);
}

.frise-clear-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--school-text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px 6px;
}

.frise-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 14px;
  background: var(--school-surface-alt);
  border-radius: var(--school-radius-md);
  border: 1px solid var(--school-border);
  margin-bottom: 16px;
}

.frise-century-select {
  max-width: 260px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* --- Minimap / Barre de progression de -3000 à 2026 --- */
.frise-minimap-wrapper {
  margin-bottom: 20px;
  background: var(--school-card-bg);
  padding: 12px 14px;
  border-radius: var(--school-radius-md);
  border: 1px solid var(--school-border);
}

.frise-minimap-label {
  font-size: 0.85rem;
  color: var(--school-text);
}

.frise-current-view-badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
}

.frise-minimap {
  position: relative;
  height: 48px;
  background: #1e293b;
  border-radius: 10px;
  overflow: hidden;
  user-select: none;
  cursor: pointer;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.frise-minimap-eras {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
  display: flex;
}

.frise-minimap-era-segment {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  transition: opacity 0.2s;
}

.frise-minimap-era-segment:hover {
  opacity: 0.9;
}

.frise-minimap-era-text {
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
}

.frise-minimap-ticks {
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 18px;
  pointer-events: none;
}

.frise-minimap-tick {
  position: absolute;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: #94a3b8;
  font-weight: 600;
  white-space: nowrap;
}

.frise-minimap-viewport {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.35);
  border: 2px solid #38bdf8;
  border-radius: 6px;
  cursor: grab;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.7);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.frise-minimap-viewport.dragging {
  cursor: grabbing;
  background: rgba(255, 255, 255, 0.5);
  border-color: #0284c7;
}

.frise-viewport-handle {
  width: 6px;
  height: 100%;
  background: #0284c7;
  opacity: 0.8;
}

.frise-viewport-body {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.frise-viewport-icon {
  font-size: 0.75rem;
  font-weight: 900;
  color: #0369a1;
  opacity: 0.85;
}

/* --- Scène principale de la Frise Chronologique --- */
.frise-stage-container {
  position: relative;
  height: 680px;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  overflow: hidden;
  cursor: grab;
  user-select: none;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.02);
}

.frise-stage-container.dragging {
  cursor: grabbing;
}

/* Bandeau des époques en haut */
.frise-eras-banner-track {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 38px;
  border-bottom: 2px solid var(--school-border);
  z-index: 5;
  background: var(--school-surface-alt);
}

.frise-era-banner {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2px 10px;
  color: #fff;
  border-right: 2px solid rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.15);
}

.frise-era-banner-title {
  font-size: 0.82rem;
  font-weight: 800;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.frise-era-banner-dates {
  font-size: 0.65rem;
  opacity: 0.9;
  font-weight: 600;
}

/* Axe temporel médian */
.frise-axis-track {
  position: absolute;
  top: 315px;
  left: 0;
  right: 0;
  height: 32px;
  pointer-events: none;
  z-index: 4;
}

.frise-axis-baseline {
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 4px;
  background: #cbd5e1;
  border-radius: 2px;
}

[data-bs-theme="dark"] .frise-axis-baseline {
  background: #475569;
}

.frise-axis-tick {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.frise-axis-tick-line {
  width: 2px;
  height: 12px;
  background: #64748b;
}

.frise-axis-tick.major .frise-axis-tick-line {
  width: 3px;
  height: 16px;
  background: var(--school-primary);
}

.frise-axis-tick-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--school-text-muted);
  margin-top: 2px;
  white-space: nowrap;
  background: var(--school-surface);
  padding: 0 4px;
  border-radius: 4px;
}

.frise-axis-tick.major .frise-axis-tick-label {
  color: var(--school-primary);
  font-weight: 800;
}

/* Piste des événements */
.frise-events-track {
  position: absolute;
  top: 40px;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 6;
}

.frise-event-item {
  position: absolute;
  transform: translateX(-50%);
  width: 200px;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), z-index 0.1s;
}

.frise-event-item:hover {
  transform: translateX(-50%) scale(1.04);
  z-index: 25 !important;
}

/* Tiges de repère multi-niveaux vers l'axe central */
.frise-event-item.side-top .frise-event-pin {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.frise-event-item.tier-top-high .frise-pin-stem {
  width: 2px;
  height: 80px;
  background: var(--era-color, #94a3b8);
}

.frise-event-item.tier-top-low .frise-pin-stem {
  width: 2px;
  height: 32px;
  background: var(--era-color, #94a3b8);
}

.frise-event-item.side-top .frise-pin-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--era-color, #0284c7);
  border: 2px solid #fff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
  margin-top: -2px;
}

.frise-event-item.side-bottom .frise-event-pin {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
}

.frise-event-item.tier-bottom-high .frise-pin-stem {
  width: 2px;
  height: 32px;
  background: var(--era-color, #94a3b8);
}

.frise-event-item.tier-bottom-low .frise-pin-stem {
  width: 2px;
  height: 80px;
  background: var(--era-color, #94a3b8);
}

.frise-event-item.side-bottom .frise-pin-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--era-color, #0284c7);
  border: 2px solid #fff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
  margin-bottom: -2px;
}

/* Carte de l'événement (Style Bout de Gomme) */
.frise-card {
  background: var(--school-card-bg);
  border: 2px solid var(--card-accent, var(--school-border));
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.frise-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  border-color: var(--card-accent);
}

.frise-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--card-bg, #f8fafc);
  border-bottom: 1px solid var(--school-border);
}

.frise-card-year {
  color: #fff;
  font-weight: 800;
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.frise-card-level {
  font-size: 0.7rem;
  font-weight: 700;
}

.frise-card-ill-wrap {
  height: 76px;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--school-border);
}

[data-bs-theme="dark"] .frise-card-ill-wrap {
  background: #1e293b;
}

.frise-svg-ill {
  width: 100%;
  height: 100%;
  max-height: 72px;
  object-fit: contain;
}

.frise-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frise-card-body {
  padding: 8px 10px;
  flex-grow: 1;
}

.frise-card-title {
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 2px;
  color: var(--school-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.frise-card-subera {
  font-size: 0.7rem;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.frise-card-summary {
  font-size: 0.72rem;
  color: var(--school-text-muted);
  line-height: 1.3;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.frise-card-action {
  padding: 4px 10px 6px;
  text-align: right;
  background: var(--card-bg, #f8fafc);
  border-top: 1px dashed var(--school-border);
}

.frise-card-btn {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--school-primary);
}

/* Modale de détails d'événement */
.frise-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.frise-modal-card {
  background: var(--school-card-bg);
  border-radius: var(--school-radius-lg);
  border: 1px solid var(--school-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.frise-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  cursor: pointer;
  z-index: 10;
  transition: background 0.15s;
}

.frise-modal-close:hover {
  background: rgba(0, 0, 0, 0.6);
}

.frise-modal-header {
  padding: 24px;
  color: #fff;
}

.frise-modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 2px;
}

.frise-modal-subera {
  font-size: 0.85rem;
  font-weight: 600;
}

.frise-modal-img {
  max-width: 100%;
  max-height: 200px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}

.frise-modal-svg-wrap {
  width: 100%;
  max-height: 180px;
  padding: 10px;
}

.frise-modal-svg-wrap svg {
  max-height: 160px;
  width: auto;
}

.frise-modal-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--school-text);
}

.frise-empty-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--school-text-muted);
}

/* Mode Compact pour les vues panoramiques dézoomées */
.frise-event-item.compact-view {
  width: 130px;
}

.frise-event-item.compact-view .frise-card-ill-wrap {
  height: 44px;
}

.frise-event-item.compact-view .frise-card-summary,
.frise-event-item.compact-view .frise-card-subera,
.frise-event-item.compact-view .frise-card-action {
  display: none;
}

.frise-event-item.compact-view .frise-card-title {
  font-size: 0.74rem;
  -webkit-line-clamp: 1;
  margin-bottom: 0;
}

.frise-event-item.compact-view .frise-card-body {
  padding: 4px 6px;
}

.frise-event-item.compact-view .frise-card-header {
  padding: 2px 6px;
}

.frise-event-item.compact-view .frise-card-year {
  font-size: 0.68rem;
  padding: 1px 5px;
}