/* =============================================================================
   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.
   ========================================================================== */

:root {
  --school-bg: #f5f7fb;
  --school-surface: #ffffff;
  --school-surface-alt: #eef2fb;
  --school-border: #e2e8f4;
  --school-text: #1f2430;
  --school-text-muted: #6b7280;

  /* Accent primaire : teal (pas le vert Duolingo, identité propre) */
  --school-primary: #14b8a6;
  --school-primary-dark: #0f9488;
  --school-primary-soft: #e6fbf8;

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

  --school-success: #22c55e;
  --school-danger: #ef4444;
  --school-info: #6c5ce7;

  --school-radius-lg: 18px;
  --school-radius-md: 12px;
  --school-radius-pill: 999px;
  --school-shadow-btn: 0 4px 0 rgba(20, 30, 50, 0.14);
  --school-shadow-card: 0 2px 10px rgba(20, 30, 50, 0.06);

  --school-font: 'Inter', system-ui, sans-serif;
}

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

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

/* --- Barre de navigation --- */
.school-navbar {
  background: var(--school-surface);
  border-bottom: 1px solid var(--school-border);
  padding: 12px 20px;
}

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

.school-brand-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--school-radius-pill);
  background: var(--school-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.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); }

/* --- 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; }

/* --- Boutons tactiles --- */
.school-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--school-radius-md);
  padding: 12px 22px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  background: var(--school-primary);
  box-shadow: var(--school-shadow-btn);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

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

.school-btn:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 rgba(20, 30, 50, 0.14);
}

.school-btn-outline {
  background: var(--school-surface);
  color: var(--school-primary-dark);
  border: 2px solid var(--school-primary);
  box-shadow: 0 4px 0 var(--school-primary-soft);
}

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

.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-text-muted);
  margin: 4px 4px 10px;
}

.school-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  border-radius: var(--school-radius-md);
  padding: 11px 14px;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--school-text);
  cursor: pointer;
  transition: background 0.1s ease;
}

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

.school-menu-item.active {
  background: var(--school-primary-soft);
  color: var(--school-primary-dark);
}

.school-submenu {
  display: none;
  margin: 2px 0 10px 10px;
  border-left: 3px solid var(--school-border);
  padding-left: 10px;
}

.school-submenu.open { display: block; }

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

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

.school-sidebar-separator {
  border: none;
  border-top: 2px solid var(--school-border);
  margin: 18px 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: #eafcee;
  color: #166534;
}

.quiz-choice.incorrect {
  border-color: var(--school-danger);
  background: #fef0f0;
  color: #991b1b;
}

.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: 32px 0;
  margin-top: 40px;
  color: var(--school-text-muted);
  font-size: 0.9rem;
}

.school-footer a { color: var(--school-text-muted); text-decoration: none; margin-right: 16px; }
.school-footer a:hover { color: var(--school-primary-dark); }

/* --- 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; }

.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline-block; }

/* --- 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%;
  background: var(--school-surface);
  border: 1px solid var(--school-border);
  border-radius: var(--school-radius-lg);
  padding: 40px;
  text-align: center;
}

.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);
}

.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);
}