:root {
  /* Charte Graphique Sextant : Bleu Marine & Or */
  --bg-primary: #0a1727;
  --bg-secondary: #0e2336;
  --bg-panel: rgba(14, 35, 54, 0.6);
  --bg-glass: rgba(212, 175, 55, 0.05);
  
  --text-primary: #e8f2ff;
  --text-secondary: #c7e0ff;
  --text-muted: #8b9bb4;
  
  --accent-primary: #d4af37;
  --accent-hover: #b08d2b;
  --accent-gradient: linear-gradient(135deg, #d4af37 0%, #ffd66b 100%);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ff6b6b;
  
  --border-light: rgba(212, 175, 55, 0.15);
  --border-focus: rgba(212, 175, 55, 0.5);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow: hidden; /* App Layout */
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; }
a { color: inherit; text-decoration: none; }
button { font-family: 'Inter', sans-serif; cursor: pointer; border: none; outline: none; }

/* Loader Overlay */
.loader-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-primary);
  z-index: 9999;
  display: flex; justify-content: center; align-items: center;
  transition: opacity 0.5s ease;
  pointer-events: none;
  opacity: 0;
}
.loader-overlay.active { opacity: 1; pointer-events: auto; }

.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--border-light);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* App Layout */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  padding: 24px;
  z-index: 10;
}
.sidebar-header {
  margin-bottom: 40px;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Space Grotesk', sans-serif; font-size: 1.25rem; font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sidebar-nav {
  display: flex; flex-direction: column; gap: 8px; flex: 1;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all 0.2s ease;
  font-weight: 500;
}
.nav-item:hover, .nav-item.active {
  background: var(--bg-glass);
  color: var(--text-primary);
}
.nav-item.active {
  background: rgba(212, 175, 55, 0.1);
  color: var(--accent-primary);
  border-left: 3px solid var(--accent-primary);
}

.sidebar-footer { margin-top: auto; }
.return-link { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s; }
.return-link:hover { color: var(--text-primary); }

/* Main Workspace */
.main-workspace {
  flex: 1;
  overflow-y: auto;
  position: relative;
  background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.05), transparent 40%),
              radial-gradient(circle at bottom left, rgba(14, 35, 54, 0.8), transparent 40%);
}
.view-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px;
  animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  padding: 32px;
}

/* Skeletons */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(255,255,255,0.05) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s infinite;
  border-radius: 4px;
}
@keyframes skeletonLoading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Course Cards Grid */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.course-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  cursor: pointer;
}
.course-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-focus);
  box-shadow: 0 12px 24px -8px rgba(212, 175, 55, 0.25);
}
.course-card.locked {
  opacity: 0.7;
  cursor: not-allowed;
}
/* Palier 8 cleanup 2026-04-23 : :after emoji "🔒 Premium" supprimé — remplacé par
   le badge .badge-locked rendu en flow normal dans components.js (pas de collision
   avec .course-card-module-icon top-right) */
.course-card.locked:hover { transform: none; border-color: var(--border-light); box-shadow: none; }

.course-progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  margin-top: 16px;
  overflow: hidden;
}
.course-progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* Lesson Viewer */
.viewer-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 40px;
}
.btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--accent-gradient); color: #0a1727; font-weight: 700;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary {
  background: var(--bg-glass); color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); }

.lesson-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #e2e8f0;
}
.lesson-content h2, .lesson-content h3 { margin-top: 2rem; margin-bottom: 1rem; color: #fff; }
.lesson-content p { margin-bottom: 1.5rem; }
.lesson-content ul, .lesson-content ol { margin-bottom: 1.5rem; padding-left: 2rem; }
.lesson-content .formula-box {
  background: rgba(212, 175, 55, 0.05); border-left: 4px solid var(--accent-primary);
  padding: 24px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 32px 0;
}

/* Quiz UI */
.quiz-container { max-width: 800px; margin: 0 auto; padding: 48px 0; }
.question-card {
  background: var(--bg-panel); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 32px; margin-bottom: 24px;
}
.question-text { font-size: 1.2rem; font-weight: 600; margin-bottom: 24px; }
.options-grid { display: grid; gap: 12px; }
.option-label {
  display: flex; align-items: center; gap: 12px; padding: 16px;
  border: 1px solid var(--border-light); border-radius: var(--radius-md);
  cursor: pointer; transition: all 0.2s; background: rgba(255,255,255,0.02);
}
.option-label:hover { border-color: var(--accent-primary); background: rgba(212, 175, 55, 0.05); }
.option-input { display: none; }
.option-input:checked + .option-text { font-weight: 600; color: var(--accent-primary); }
.option-label:has(.option-input:checked) {
  border-color: var(--accent-primary); background: rgba(212, 175, 55, 0.1);
  box-shadow: inset 0 0 0 1px var(--accent-primary);
}

.result-card {
  text-align: center; padding: 48px; border-radius: var(--radius-xl);
  background: var(--bg-panel); border: 1px solid var(--border-light);
  animation: scaleUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes scaleUp { from{transform:scale(0.8);opacity:0;} to{transform:scale(1);opacity:1;} }
.score-circle {
  width: 120px; height: 120px; border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  font-size: 2.5rem; font-weight: 800; font-family: 'Space Grotesk';
  margin: 0 auto 24px; margin-top: 24px;
}
.score-success { background: rgba(16, 185, 129, 0.1); color: var(--success); border: 4px solid var(--success); }
.score-fail { background: rgba(239, 68, 68, 0.1); color: var(--danger); border: 4px solid var(--danger); }

/* Zen Mode */
body.zen-mode .sidebar { display: none; }
body.zen-mode .main-workspace { margin: 0 auto; width: 100%; max-width: 1200px; display: flex; justify-content: center; background: var(--bg-primary); }

/* Dashboard Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-bottom: 40px; }
.stat-card { background: var(--bg-panel); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.stat-value { font-size: 2.5rem; font-weight: 700; color: var(--accent-primary); font-family: 'Space Grotesk'; }
.stat-label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }

/* Freemium CTA */
.freemium-cta { margin-top: 40px; padding: 32px; background: rgba(212, 175, 55, 0.05); border: 2px dashed var(--accent-primary); border-radius: var(--radius-md); text-align: center; }
.freemium-cta h3 { color: var(--accent-primary); margin-bottom: 16px; }

/* Lesson Pagination */
.lesson-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  padding: 16px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}
.pagination-indicator {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: 'Space Grotesk', sans-serif;
}
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Lesson Status Icons (course dashboard) */
.lesson-status-done  { color: var(--success); font-size: 1rem; }
.lesson-status-next  { color: var(--accent-primary); font-weight: 700; font-size: 1.1rem; }
.lesson-status-todo  { color: var(--text-muted); font-size: 1rem; }

/* Course Level Badges (courses list) */
.course-level-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  margin-bottom: 10px;
}
.badge-completed {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-next {
  background: rgba(212, 175, 55, 0.1);
  color: var(--accent-primary);
  border: 1px solid var(--border-focus);
}

/* ========================================================== */
/* Palier 8 — Icon system + Quizz Hub                         */
/* ========================================================== */

/* Sidebar nav icons (Lucide) */
.nav-icon i[data-lucide] { width: 18px; height: 18px; stroke-width: 1.75; }
.nav-item.active .nav-icon i[data-lucide] { color: var(--accent-primary); }

/* Module category icon on course cards */
.course-card { position: relative; }
.course-card-module-icon {
  position: absolute;
  top: 14px;
  right: 14px;
  opacity: 0.85;
  z-index: 1;
}
/* Réserve la zone top-right pour l'icône module (28×28 + marges) pour éviter
   que les titres longs de cursus viennent se superposer à l'icône */
.course-card h3 { padding-right: 44px; }
.badge-locked {
  background: rgba(139, 155, 180, 0.12);
  color: var(--text-muted);
  border: 1px solid rgba(139, 155, 180, 0.25);
}

/* ========== QUIZZ HUB ========== */
.quizz-hub { max-width: 1200px; }
.quizz-header h1 { font-size: 2rem; color: var(--accent-primary); }
.quizz-subtitle { color: var(--text-muted); margin-top: 4px; }

/* Tabs */
.quizz-tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border-light);
  margin: 24px 0;
  overflow-x: auto;
}
.quizz-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.quizz-tab:hover { color: var(--text-secondary); background: var(--bg-glass); }
.quizz-tab.active { color: var(--accent-primary); border-bottom-color: var(--accent-primary); }
.quizz-tab-icon i[data-lucide] { width: 16px; height: 16px; }

.quizz-subview { min-height: 400px; }
.quizz-loading {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  padding: 80px 20px; color: var(--text-muted);
}
.spinner-sm {
  width: 24px; height: 24px;
  border: 3px solid var(--border-light);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Stats grid (accueil) */
.quizz-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.quizz-stat {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
}
.quizz-stat-icon { position: absolute; top: 16px; right: 16px; color: var(--accent-primary); opacity: 0.7; }
.quizz-stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
}
.quizz-stat-label { color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; }
.quizz-stat-label small { color: var(--text-muted); opacity: 0.7; }

/* CTA card */
.quizz-cta-card {
  display: flex; align-items: center; gap: 20px;
  padding: 24px;
  border: 1px solid var(--border-focus);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(212, 175, 55, 0.02));
  margin-bottom: 24px;
}
.quizz-cta-empty {
  border-color: rgba(16, 185, 129, 0.3);
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(16,185,129,0.02));
}
.quizz-cta-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(212, 175, 55, 0.15);
  border-radius: 50%;
  color: var(--accent-primary);
  flex-shrink: 0;
}
.quizz-cta-body { flex: 1; }
.quizz-cta-kicker {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 4px;
}
.quizz-cta-body h3 { margin: 0; font-size: 1.2rem; }
.quizz-cta-body p { color: var(--text-muted); margin-top: 4px; font-size: 0.9rem; }

/* Two columns */
.quizz-two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .quizz-two-cols { grid-template-columns: 1fr; } }

.quizz-section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.quizz-section-title i[data-lucide] { color: var(--accent-primary); }

/* List items */
.quizz-list { display: flex; flex-direction: column; gap: 8px; }
.quizz-list-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px;
  background: var(--bg-glass);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.quizz-list-item:hover { background: rgba(212, 175, 55, 0.08); border-color: var(--border-focus); }
.quizz-list-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-panel);
  border-radius: 8px;
  color: var(--text-secondary);
}
.quizz-list-body { flex: 1; min-width: 0; }
.quizz-list-title { font-weight: 600; font-size: 0.95rem; }
.quizz-list-meta { color: var(--text-muted); font-size: 0.8rem; margin-top: 2px; }
.quizz-list-cta { color: var(--text-muted); }
.quizz-empty-hint { color: var(--text-muted); font-style: italic; padding: 12px; text-align: center; }

/* Scores */
.quizz-score {
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.85rem;
}
.score-master { background: rgba(16, 185, 129, 0.18); color: var(--success); }
.score-pass   { background: rgba(212, 175, 55, 0.18); color: var(--accent-primary); }
.score-warn   { background: rgba(245, 158, 11, 0.18); color: var(--warning); }
.score-fail   { background: rgba(255, 107, 107, 0.18); color: var(--danger); }

/* Modules */
.quizz-modules-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.quizz-module-card { padding: 24px; }
.quizz-module-header { display: flex; align-items: flex-start; gap: 16px; }
.quizz-module-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-glass);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  flex-shrink: 0;
}
.quizz-module-desc { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }
.quizz-module-stats { text-align: right; flex-shrink: 0; }
.quizz-module-pct {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem; font-weight: 700;
  color: var(--accent-primary);
}
.quizz-module-count { color: var(--text-muted); font-size: 0.8rem; }
.quizz-lessons-list { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.quizz-lesson-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.quizz-lesson-row:hover { background: var(--bg-glass); }
.quizz-lesson-icon {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  background: var(--bg-panel);
}
.quizz-lesson-icon.status-master { color: var(--success);        background: rgba(16, 185, 129, 0.12); }
.quizz-lesson-icon.status-pass   { color: var(--accent-primary); background: rgba(212, 175, 55, 0.12); }
.quizz-lesson-icon.status-fail   { color: var(--danger);         background: rgba(255, 107, 107, 0.12); }
.quizz-lesson-icon.status-todo   { color: var(--text-muted); }
.quizz-lesson-title { font-size: 0.95rem; }
.quizz-lesson-score { min-width: 60px; text-align: right; }

/* Examens */
.quizz-exams-intro { padding: 20px 24px; margin-bottom: 20px; }
.quizz-exams-intro p { color: var(--text-muted); margin-top: 8px; }
.quizz-exams-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.quizz-exam-card { padding: 28px; text-align: center; }
.quizz-exam-badge {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.05));
  color: var(--accent-primary);
  border: 2px solid var(--border-focus);
}
.quizz-exam-desc { color: var(--text-muted); font-size: 0.9rem; margin: 8px 0 20px; }
.quizz-exam-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
  font-size: 0.9rem;
}
.quizz-exam-stats strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  color: var(--accent-primary);
}
.quizz-exam-stats small {
  display: block; color: var(--text-muted);
  font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.5px; margin-top: 2px;
}
.quizz-exam-cta { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.quizz-locked {
  display: inline-flex;
  align-items: center; justify-content: center; gap: 6px;
  color: var(--text-muted);
  font-size: 0.85rem; font-style: italic;
  padding: 10px;
}

/* Entraînement */
.quizz-training-intro { padding: 20px 24px; margin-bottom: 20px; }
.quizz-training-intro p { color: var(--text-muted); margin-top: 8px; }
.quizz-training-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.quizz-training-card { padding: 24px; text-align: center; }
.quizz-training-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-glass);
  color: var(--accent-primary);
  border: 1px solid var(--border-light);
}
.quizz-training-card p { color: var(--text-muted); font-size: 0.9rem; margin: 8px 0 20px; }

/* Heatmap */
.quizz-heatmap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 8px;
}
.heatmap-cell {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  color: var(--bg-primary);
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease;
}
.heatmap-cell:hover { transform: translateY(-2px); }
.heatmap-cell-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.75;
  font-weight: 700;
}
.heatmap-cell-title { font-size: 0.85rem; font-weight: 600; line-height: 1.2; margin: 4px 0; }
.heatmap-cell-value { font-family: 'Space Grotesk', sans-serif; font-size: 1.4rem; font-weight: 700; }
.heatmap-cell-meta { font-size: 0.7rem; opacity: 0.7; }
.quizz-heatmap-legend {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-top: 16px; font-size: 0.8rem; color: var(--text-muted);
}
.quizz-heatmap-legend .dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}
.dot-fail   { background: rgba(255, 107, 107, 0.65); }
.dot-warn   { background: rgba(245, 158, 11, 0.60); }
.dot-pass   { background: rgba(212, 175, 55, 0.65); }
.dot-master { background: rgba(16, 185, 129, 0.75); }
.dot-empty  { background: rgba(139, 155, 180, 0.25); }

/* Results table */
.quizz-results-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px; flex-wrap: wrap; gap: 12px;
}
.quizz-filters { display: flex; gap: 4px; }
.quizz-filter {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.quizz-filter.active {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
}
.quizz-filter:hover:not(.active) { background: rgba(212, 175, 55, 0.1); }

.quizz-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.quizz-table th {
  text-align: left;
  padding: 12px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
}
.quizz-table td {
  padding: 12px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.06);
}
.quizz-table tbody tr:hover { background: var(--bg-glass); }
.btn-link {
  background: none; border: none;
  color: var(--accent-primary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}
.btn-link:hover { text-decoration: underline; }

/* Pills (statut) */
.pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.pill-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.pill-danger  { background: rgba(255, 107, 107, 0.15); color: var(--danger); }

/* Sidebar footer return link */
.sidebar-footer .return-link {
  display: inline-flex; align-items: center; gap: 6px;
}
.sidebar-footer .return-link i[data-lucide] { width: 14px; height: 14px; }

/* ========================================================== */
/* Palier 8.2 — Nouveaux formats de questions + feedback       */
/* ========================================================== */

/* Question card header (badge type) */
.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.question-number {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 700;
}
.question-type-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: rgba(212, 175, 55, 0.12);
  color: var(--accent-primary);
  border: 1px solid var(--border-focus);
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Vrai / Faux justifié */
.tf-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}
.tf-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.tf-choice {
  cursor: pointer;
  position: relative;
}
.tf-choice input { position: absolute; opacity: 0; pointer-events: none; }
.tf-choice-body {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-glass);
  font-size: 1rem;
  transition: all 0.15s ease;
}
.tf-choice:hover .tf-choice-body { border-color: var(--border-focus); }
.tf-choice input:checked + .tf-choice-body.tf-true {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--success);
  color: var(--success);
}
.tf-choice input:checked + .tf-choice-body.tf-false {
  background: rgba(255, 107, 107, 0.15);
  border-color: var(--danger);
  color: var(--danger);
}
.tf-justification-label {
  display: block;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.tf-justification-label small { color: var(--text-muted); font-weight: 400; }
.tf-justification {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  resize: vertical;
  min-height: 80px;
}
.tf-justification:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(212, 175, 55, 0.04);
}
.tf-justification-counter {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: -6px;
}
.tf-counter-ok    { color: var(--success); }
.tf-counter-short { color: var(--warning); }

/* Cas pratique chiffré (NUMERIC) */
.numeric-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}
.numeric-context {
  padding: 14px 16px;
  background: rgba(212, 175, 55, 0.06);
  border-left: 3px solid var(--accent-primary);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}
.numeric-formula {
  padding: 12px 14px;
  background: var(--bg-glass);
  border: 1px dashed var(--border-light);
  border-radius: 8px;
  font-size: 0.9rem;
}
.numeric-formula code {
  background: rgba(212, 175, 55, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-primary);
  font-family: 'Space Grotesk', monospace;
}
.numeric-input-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 300px;
}
.numeric-input {
  flex: 1;
  padding: 14px 16px;
  background: var(--bg-glass);
  border: 2px solid var(--border-light);
  border-radius: 10px 0 0 10px;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
}
.numeric-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(212, 175, 55, 0.04);
}
.numeric-unit {
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-radius: 0 10px 10px 0;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
}

/* ===== Corrigé détaillé (feedback pédagogique) ===== */
.result-card-big {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  margin-bottom: 24px;
}
.score-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px; height: 120px;
  border-radius: 50%;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.score-success {
  background: linear-gradient(135deg, rgba(16,185,129,0.25), rgba(16,185,129,0.08));
  color: var(--success);
  border: 3px solid var(--success);
}
.score-fail {
  background: linear-gradient(135deg, rgba(255,107,107,0.25), rgba(255,107,107,0.08));
  color: var(--danger);
  border: 3px solid var(--danger);
}

.feedback-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.feedback-summary {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.feedback-counter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
}
.feedback-counter-ok      { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.feedback-counter-ko      { background: rgba(255, 107, 107, 0.12); color: var(--danger); }
.feedback-counter-neutral { background: var(--bg-glass); color: var(--text-secondary); }
.feedback-intro { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }

.feedback-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  padding: 18px;
  border-radius: 12px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}
.feedback-item-ok {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.15);
}
.feedback-item-ko {
  background: rgba(255, 107, 107, 0.06);
  border-color: rgba(255, 107, 107, 0.2);
}
.feedback-item-header {
  text-align: center;
}
.feedback-item-icon {
  display: inline-block;
  padding: 8px;
  border-radius: 50%;
  background: var(--bg-panel);
}
.feedback-item-ok .feedback-item-icon  { color: var(--success); }
.feedback-item-ko .feedback-item-icon  { color: var(--danger); }
.feedback-item-num {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.feedback-item-body { min-width: 0; }
.feedback-detail-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.92rem;
}
.feedback-detail-row code {
  background: rgba(212, 175, 55, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-primary);
  font-family: 'Space Grotesk', monospace;
}
.feedback-arrow { color: var(--text-muted); padding: 0 4px; }
.feedback-delta {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}
.feedback-model-just {
  margin-top: 10px;
  padding: 12px 14px;
  background: var(--bg-glass);
  border-left: 3px solid var(--accent-primary);
  border-radius: 6px;
}
.feedback-model-just p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
  font-style: italic;
}
.feedback-explanation {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: 8px;
}
.feedback-explanation p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 6px;
  line-height: 1.5;
}

/* ========================================================== */
/* Palier 8.2c — Scénario décisionnel                         */
/* ========================================================== */
.scenario-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 12px;
}
.scenario-intro {
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(212, 175, 55, 0.02));
  border-left: 3px solid var(--accent-primary);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.scenario-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-glass);
  border-radius: 8px;
  border: 1px solid var(--border-light);
}
.scenario-progress-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}
.scenario-progress-count {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  color: var(--accent-primary);
  font-weight: 700;
}

.scenario-step {
  padding: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border-focus);
  border-radius: 12px;
}
.scenario-prompt {
  font-size: 1.05rem;
  line-height: 1.55;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.scenario-choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.scenario-choice {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}
.scenario-choice:hover {
  border-color: var(--accent-primary);
  background: rgba(212, 175, 55, 0.08);
  transform: translateX(4px);
}
.scenario-choice-text { flex: 1; }
.scenario-choice-arrow {
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
}
.scenario-choice:hover .scenario-choice-arrow { color: var(--accent-primary); }

.scenario-terminal {
  text-align: center;
  padding: 24px 16px;
}
.scenario-terminal-icon {
  color: var(--success);
  margin-bottom: 10px;
}
.scenario-terminal-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  margin-top: 12px;
}

.scenario-history {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.scenario-history-item {
  padding: 14px 16px;
  background: rgba(212, 175, 55, 0.04);
  border-left: 3px solid var(--border-focus);
  border-radius: 6px;
  font-size: 0.88rem;
}
.scenario-history-step {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 4px;
}
.scenario-history-prompt {
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.5;
}
.scenario-history-choice {
  color: var(--text-primary);
  margin-bottom: 6px;
}
.scenario-feedback {
  background: var(--bg-glass);
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 6px;
  line-height: 1.5;
}

/* Feedback résultat scenario */
.feedback-scenario-outcome {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.outcome-success { background: rgba(16, 185, 129, 0.18); color: var(--success); }
.outcome-partial { background: rgba(245, 158, 11, 0.18); color: var(--warning); }
.outcome-failure { background: rgba(255, 107, 107, 0.18); color: var(--danger); }
.outcome-unknown { background: var(--bg-glass); color: var(--text-secondary); }

/* ========================================================== */
/* Palier 8.2d — Drag-drop chart                              */
/* ========================================================== */
.dragdrop-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}
.dragdrop-context {
  padding: 12px 16px;
  background: rgba(212, 175, 55, 0.06);
  border-left: 3px solid var(--accent-primary);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}
.dragdrop-workspace {
  position: relative;
  width: 100%;
  margin: 0 auto;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  touch-action: none; /* important pour les pointer events mobiles */
  user-select: none;
}
.dragdrop-chart {
  width: 100%;
  height: 100%;
}
.dragdrop-chart svg {
  width: 100%;
  height: 100%;
  display: block;
}
.dragdrop-placements {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.dragdrop-placed {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.dragdrop-placed-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--accent-primary);
  border: 2px solid var(--bg-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--accent-primary), 0 2px 6px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
}
.dragdrop-placed-label {
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.dragdrop-preview {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
  font-size: 2rem;
  line-height: 0.5;
  pointer-events: none;
  font-weight: 700;
}

.dragdrop-tray {
  padding: 14px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 10px;
}
.dragdrop-tray-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.dragdrop-tray-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.dragdrop-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border-focus);
  border-radius: 8px;
  cursor: grab;
  transition: all 0.15s ease;
  touch-action: none;
  user-select: none;
}
.dragdrop-label:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-1px);
}
.dragdrop-label:active { cursor: grabbing; }
.dragdrop-label.placed {
  opacity: 0.5;
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.08);
}
.dragdrop-label-handle {
  color: var(--text-muted);
  font-size: 1rem;
  cursor: grab;
}
.dragdrop-label-text {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.dragdrop-label-hint {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-style: italic;
}

/* ========================================================== */
/* Palier 8.5 — Certificats                                   */
/* ========================================================== */
.certificates-page { max-width: 1000px; }
.certificates-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.certificates-header h1 {
  font-size: 2rem;
  color: var(--accent-primary);
}
.certificates-subtitle {
  color: var(--text-muted);
  margin-top: 4px;
}
.certificates-intro {
  padding: 18px 22px;
  margin-bottom: 20px;
}
.certificates-intro h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-primary);
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.certificates-intro p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

.certificates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.certificate-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease;
}
.certificate-card.cert-earned {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.06), transparent 60%);
}
.certificate-card.cert-claimable {
  border-color: var(--success);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), transparent 60%);
}
.certificate-card.cert-locked { opacity: 0.85; }

.certificate-card-icon {
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-focus);
  border-radius: 50%;
  flex-shrink: 0;
}
.certificate-card.cert-earned .certificate-card-icon {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.05));
  color: var(--accent-primary);
}
.certificate-card-body { min-width: 0; }
.certificate-card-kicker {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 4px;
}
.certificate-card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}
.certificate-card-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.certificate-card-details { margin-bottom: 16px; }
.certificate-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.certificate-badge.earned {
  background: rgba(212, 175, 55, 0.15);
  color: var(--accent-primary);
  border: 1px solid var(--border-focus);
}
.certificate-badge.claimable {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.certificate-badge.locked {
  background: var(--bg-glass);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}
.certificate-card-meta {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.certificate-public-id {
  color: var(--text-muted);
  font-size: 0.8rem;
}
.certificate-public-id code {
  background: var(--bg-glass);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-primary);
  font-family: 'Space Grotesk', monospace;
  font-size: 0.8rem;
}

.certificate-progress-wrap { margin: 12px 0; }
.certificate-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.certificate-criteria {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
  margin-top: 10px;
}
.certificate-criteria div { display: flex; gap: 6px; }

.certificate-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

@media (max-width: 640px) {
  .certificate-card { grid-template-columns: 1fr; }
  .certificate-card-icon { margin: 0 auto; }
  .certificate-card-body { text-align: center; }
  .certificate-actions { justify-content: center; }
}

/* ========================================================== */
/* Palier 8.4 — Training modes (Flashcards / Daily / Mock)    */
/* ========================================================== */
.training-page { max-width: 900px; }
.training-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.training-header h1 {
  font-size: 1.6rem;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
}
.training-intro {
  padding: 14px 18px;
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.training-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.training-progress-bar {
  margin-bottom: 16px;
}
.training-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.training-empty, .training-complete {
  text-align: center;
  padding: 48px 24px;
}
.training-session-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}
.training-session-stats div {
  padding: 14px 8px;
  background: var(--bg-glass);
  border-radius: 8px;
  border: 1px solid var(--border-light);
}
.training-session-stats strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  color: var(--accent-primary);
}
.training-session-stats small {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 4px;
}

/* Flashcard */
.flashcard-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.flashcard-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 10px;
  flex-wrap: wrap;
}
.flashcard-state-badge {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.flashcard-state-badge.state-0 { background: rgba(139, 155, 180, 0.15); color: var(--text-muted); }
.flashcard-state-badge.state-1 { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.flashcard-state-badge.state-2 { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.flashcard-state-badge.state-3 { background: rgba(255, 107, 107, 0.15); color: var(--danger); }
.flashcard-theme {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.flashcard-question {
  font-size: 1.15rem;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.flashcard-answers {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.flashcard-answer-option {
  padding: 10px 14px;
  background: var(--bg-glass);
  border-radius: 8px;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.flashcard-reveal-cta {
  text-align: center;
  padding: 16px 0;
}
.flashcard-revealed {
  padding: 18px;
  background: rgba(212, 175, 55, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  margin-bottom: 18px;
}
.flashcard-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 8px;
}
.flashcard-explanation {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.92rem;
}

.flashcard-ratings {
  margin-top: 16px;
}
.flashcard-ratings-label {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.flashcard-rating-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.flashcard-rating {
  padding: 14px 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  font-family: 'Inter', sans-serif;
}
.flashcard-rating:hover { transform: translateY(-2px); }
.flashcard-rating strong { font-size: 0.95rem; font-weight: 700; }
.flashcard-rating small { font-size: 0.72rem; color: var(--text-muted); }
.flashcard-rating.rating-again:hover  { border-color: var(--danger);    background: rgba(255, 107, 107, 0.08); }
.flashcard-rating.rating-hard:hover   { border-color: var(--warning);   background: rgba(245, 158, 11, 0.08); }
.flashcard-rating.rating-good:hover   { border-color: var(--accent-primary); background: rgba(212, 175, 55, 0.08); }
.flashcard-rating.rating-easy:hover   { border-color: var(--success);   background: rgba(16, 185, 129, 0.08); }

@media (max-width: 560px) {
  .flashcard-rating-buttons { grid-template-columns: repeat(2, 1fr); }
}

/* Mock Exam */
.mock-timer {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-focus);
  border-radius: 20px;
  font-family: 'Space Grotesk', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 1px;
}
.mock-timer.mock-timer-warning {
  background: rgba(255, 107, 107, 0.15);
  color: var(--danger);
  border-color: var(--danger);
  animation: pulse-warn 1s ease infinite;
}
@keyframes pulse-warn {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.mock-intro {
  padding: 14px 18px;
  margin-bottom: 20px;
  border-left: 3px solid var(--warning);
}
.mock-question { scroll-margin-top: 80px; }