:root {
  --safety-yellow: #f7b500;
  --dark: #1c2126;
  --dark-2: #262d35;
  --card: #2f383f;
  --text: #f2f2f2;
  --muted: #a9b2ba;
  --success: #3bb54a;
  --danger: #e13c3c;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--dark);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--dark);
  padding-top: env(safe-area-inset-top);
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

/* ---------- Onboarding ---------- */
.onboarding {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}
.lang-toggle-top { text-align: right; }
.lang-toggle-top button {
  background: none;
  color: var(--muted);
  text-decoration: underline;
  font-size: 13px;
}
.onboarding h1 { font-size: 28px; margin: 8px 0 0; }
.tagline { color: var(--safety-yellow); font-weight: 600; margin: 0; }
.program-title { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.field-label { text-align: left; font-size: 13px; color: var(--muted); margin-top: 12px; }
#nameInput, #classCodeInput {
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid #444;
  background: var(--dark-2);
  color: var(--text);
  font-size: 16px;
}
.totem-card {
  background: var(--card);
  border: 1px solid #3a444c;
  border-left: 3px solid var(--safety-yellow);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
}
.totem-emoji { font-size: 42px; line-height: 1; }
.totem-name { font-family: Georgia, "Times New Roman", serif; font-size: 24px; font-weight: 600; color: var(--text); margin-top: 8px; }
.totem-name b { color: var(--safety-yellow); font-weight: 600; }
.totem-hint { font-size: 12px; color: var(--muted); margin-top: 8px; line-height: 1.4; }
.totem-reroll {
  margin-top: 12px;
  width: 100%;
  background: var(--dark-2);
  color: var(--text);
  border: 1px solid #3a444c;
  border-radius: var(--radius);
  padding: 13px;
  font-size: 14px;
  font-weight: 600;
}
.share-toggle {
  margin-top: 18px;
  background: var(--card);
  border: 1px solid #3a444c;
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-align: left;
}
.share-toggle .tog {
  width: 44px; height: 26px; border-radius: 13px;
  background: #3a444c; flex-shrink: 0; position: relative; transition: background .18s;
}
.share-toggle .tog::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: left .18s;
}
.share-toggle.on .tog { background: var(--safety-yellow); }
.share-toggle.on .tog::after { left: 21px; }
.share-lbl b { font-size: 14px; color: var(--text); }
.share-lbl small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; line-height: 1.35; }
.share-status { font-size: 12.5px; color: var(--muted); margin-top: 12px; text-align: center; }
.share-status.on { color: var(--safety-yellow); }
.access-gate { justify-content: center; }
#accessCodeInput {
  padding: 20px 16px;
  border-radius: var(--radius);
  border: 2px solid #555;
  background: var(--dark-2);
  color: var(--text);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 3px;
  text-align: center;
  text-transform: uppercase;
  width: 100%;
  box-sizing: border-box;
  margin-top: 8px;
}
#accessCodeInput:focus {
  outline: none;
  border-color: var(--safety-yellow);
}
.access-error {
  color: #ff6b5e;
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}
.welcome-screen { text-align: left; }
.welcome-screen .lang-toggle-top,
.welcome-screen h1,
.welcome-screen .tagline { text-align: center; }
.welcome-intro {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  margin: 0 0 6px;
}
.welcome-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}
.welcome-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.welcome-icon { font-size: 24px; line-height: 1; }
.welcome-item-title { font-weight: 700; font-size: 14px; margin-bottom: 2px; }
.welcome-item-desc { font-size: 13px; color: var(--muted); line-height: 1.35; }
.avatar-char-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 6px;
}
.avatar-char-btn {
  background: var(--dark-2);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.avatar-char-btn svg { border-radius: 50%; }
.avatar-char-btn span { font-size: 10px; color: var(--muted); line-height: 1.2; text-align: center; }
.avatar-char-btn.selected { border-color: var(--safety-yellow); }
.avatar-char-btn.selected span { color: var(--text); font-weight: 600; }

.color-picker { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 14px; }
.color-swatch {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 3px solid transparent;
}
.color-swatch.selected { border-color: white; }

.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 6px;
}
.vehicle-btn {
  background: var(--dark-2);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 10px 4px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.vehicle-btn.selected { border-color: var(--safety-yellow); }
.vehicle-btn span { font-size: 11px; color: var(--muted); }
.vehicle-btn.selected span { color: var(--text); font-weight: 600; }

.vehicle-showcase {
  background: var(--card);
  border-radius: var(--radius);
  padding: 10px 10px 14px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.vehicle-frame {
  height: 190px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
}
.vehicle-caption { font-size: 12px; color: var(--muted); margin-top: 8px; text-align: center; }
.cta {
  margin-top: 20px;
  background: var(--safety-yellow);
  color: #1c1c1c;
  font-weight: 700;
  font-size: 16px;
  padding: 16px;
  border-radius: var(--radius);
}
.secondary {
  margin-top: 10px;
  background: var(--card);
  color: var(--text);
  padding: 14px;
  border-radius: var(--radius);
}
.secondary.danger { color: var(--danger); }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 8px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.avatar-chip {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.avatar-chip svg { display: block; }
.brand-name { font-weight: 700; font-size: 15px; }
.brand-level { font-size: 12px; color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.lang-btn {
  background: var(--card);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
}
.reset-btn {
  background: var(--card);
  color: var(--muted);
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tabs {
  display: flex;
  gap: 6px;
  padding: 0 16px 12px;
}
.tabs button {
  flex: 1;
  background: var(--dark-2);
  color: var(--muted);
  padding: 9px 3px;
  border-radius: 10px;
  font-size: 11px;
  white-space: nowrap;
}
.tabs button.active {
  background: var(--safety-yellow);
  color: #1c1c1c;
  font-weight: 700;
}

.content { padding: 8px 16px 24px; }

/* ---------- Progress / Map ---------- */
.progress-banner { margin-bottom: 16px; }
.progress-bar {
  height: 10px;
  background: var(--dark-2);
  border-radius: 6px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--safety-yellow), var(--success));
}
.progress-label { font-size: 12px; color: var(--muted); margin-top: 6px; text-align: right; }

.quest-path { display: flex; flex-direction: column; gap: 10px; }
.quest-node {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 12px;
}
.quest-node.done { border: 1px solid var(--success); }
.quest-node.locked { opacity: 0.45; }
.quest-node-main { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.quest-icon { font-size: 26px; width: 36px; text-align: center; }
.quest-body { flex: 1; }
.quest-num { font-size: 11px; color: var(--muted); }
.quest-title { font-size: 14px; font-weight: 600; }
.quest-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }
.quest-status { font-size: 18px; }

/* ---------- Paliers de difficulté (Débutant / Intermédiaire / Avancé) ---------- */
.tier-row { display: flex; gap: 8px; }
.tier-pill {
  flex: 1;
  background: var(--dark-2);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  border: 2px solid transparent;
}
.tier-pill:disabled { opacity: 0.4; }
.tier-pill.done { border-color: var(--success); background: #1f3325; }
.tier-pill.locked { opacity: 0.5; }
.tier-pill-icon { font-size: 15px; }
.tier-pill-name { font-weight: 600; }
.tier-pill-score { color: var(--safety-yellow); font-weight: 700; }
.quest-intro-tier {
  display: inline-block;
  background: var(--card);
  color: var(--safety-yellow);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  margin: 8px 0;
}

/* ---------- Quest intro / quiz ---------- */
.quest-intro { text-align: center; }
.quest-intro-icon { font-size: 48px; }
.quest-code { color: var(--muted); font-size: 13px; }
.best-score { color: var(--safety-yellow); font-weight: 700; }

.quiz-progress { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.quiz-question { font-size: 18px; line-height: 1.4; }
.scenario-badge {
  display: inline-block;
  background: #2a3a4d;
  color: #8fc6ff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

/* ---------- Questions d'association de termes ("match") ---------- */
.match-prompt { color: var(--muted); font-size: 13px; margin: 12px 0 8px; }
.match-columns { display: flex; gap: 10px; }
.match-col { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.match-btn {
  background: var(--card);
  color: var(--text);
  padding: 10px 8px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.3;
  border: 2px solid transparent;
  text-align: left;
  min-height: 44px;
}
.match-term.selected { border-color: var(--safety-yellow); background: #3a3320; }
.match-btn.matched { border-color: var(--success); background: #1f3325; opacity: 0.75; }
.match-btn.wrong { border-color: var(--danger); background: #3a2020; animation: match-shake 0.35s; }
@keyframes match-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ---------- Questions avec image de cabine ---------- */
.cabin-wrap {
  position: relative;
  margin: 12px 0 14px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #cfd6db;
  line-height: 0;
}
.cabin-svg { display: block; width: 100%; height: auto; }
.cabin-hotspots { position: absolute; inset: 0; }
.hotspot-dot {
  position: absolute;
  width: 15%;
  padding-top: 15%;
  height: 0;
  margin-left: -7.5%;
  margin-top: -7.5%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.001);
  border: 2px dashed rgba(255, 255, 255, 0.6);
}
.hotspot-dot.selected {
  border: 3px solid var(--safety-yellow);
  background: rgba(247, 181, 0, 0.25);
}
.hotspot-legend { margin-top: 4px; }

.choices { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.choice-btn {
  text-align: left;
  background: var(--card);
  color: var(--text);
  padding: 14px;
  border-radius: 12px;
  font-size: 14px;
  border: 2px solid transparent;
}
.choice-btn.selected {
  border-color: var(--safety-yellow);
  background: #3a3320;
}

.tf-choices {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.tf-btn {
  flex: 1;
  background: var(--card);
  color: var(--text);
  padding: 22px 8px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  border: 2px solid transparent;
  text-align: center;
}
.tf-btn.selected {
  border-color: var(--safety-yellow);
  background: #3a3320;
}
.quiz-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}
.quiz-nav .cta:disabled { opacity: 0.4; }

.quest-result { text-align: center; position: relative; }
.result-icon { font-size: 52px; }
.result-icon.celebrate { animation: result-pop 0.6s ease; }
@keyframes result-pop {
  0% { transform: scale(0.3) rotate(-15deg); opacity: 0; }
  60% { transform: scale(1.25) rotate(8deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); }
}
.result-score { font-size: 18px; font-weight: 700; }
.result-xp { color: var(--safety-yellow); font-weight: 700; }
.result-pass { color: var(--success); font-weight: 600; }
.result-fail { color: var(--danger); font-weight: 600; }
.result-mastery {
  color: var(--safety-yellow);
  font-weight: 800;
  font-size: 15px;
  animation: mastery-glow 1.2s ease-in-out infinite alternate;
}
@keyframes mastery-glow {
  from { text-shadow: 0 0 4px rgba(247,181,0,0.3); }
  to { text-shadow: 0 0 14px rgba(247,181,0,0.85); }
}

/* ---------- Confettis de célébration (paliers réussis) ---------- */
.confetti-burst {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 50;
}
.confetti-piece {
  position: absolute;
  top: -12px;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  opacity: 0.95;
  animation-name: confetti-fall;
  animation-timing-function: cubic-bezier(0.35, 0.55, 0.65, 1);
  animation-fill-mode: forwards;
}
@keyframes confetti-fall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(620px) rotate(560deg); opacity: 0; }
}

/* ---------- Badges / Trophies ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.badge-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}
.badge-card.locked { opacity: 0.4; }
.badge-icon { font-size: 30px; }
.badge-title { font-size: 12px; font-weight: 600; margin-top: 6px; }
.badge-desc { font-size: 10px; color: var(--muted); margin-top: 4px; }

/* ---------- Leaderboard ---------- */
.leaderboard-list { display: flex; flex-direction: column; gap: 8px; }
.leaderboard-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border-radius: 12px;
  padding: 8px 12px;
}
.leaderboard-row.you {
  border: 2px solid var(--safety-yellow);
  background: #3a3320;
}
.lb-rank { width: 26px; text-align: center; font-weight: 700; font-size: 14px; }
.lb-avatar { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.lb-avatar svg { display: block; }
.lb-name { flex: 1; font-size: 13px; font-weight: 600; }
.lb-you-tag { color: var(--safety-yellow); font-weight: 700; font-size: 11px; }
.lb-xp { font-size: 12px; color: var(--muted); font-weight: 700; }
.leaderboard-note { font-size: 11px; color: var(--muted); text-align: center; margin-top: 14px; }

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--safety-yellow);
  color: #1c1c1c;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

/* ---------- Revue des erreurs ---------- */
.review {
  text-align: left;
  margin: 22px 0 8px;
  border-top: 1px solid #3a444c;
  padding-top: 18px;
}
.review-title {
  font-size: 15px;
  color: var(--safety-yellow);
  margin: 0 0 14px;
}
.review-item {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.review-q {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  white-space: pre-line;
  line-height: 1.4;
}
.review-line {
  font-size: 13.5px;
  padding: 4px 0;
  line-height: 1.4;
}
.review-line.yours { color: #ff6b5e; }
.review-line.good { color: var(--success); font-weight: 600; }
.review-expl {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed #3a444c;
  line-height: 1.5;
}