:root {
  --ink: #2b2438;
  --paper: #fff8e8;
  font-family: "Andika", "Comic Neue", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100vh; height: 100dvh; margin: 0; }
body {
  color: var(--ink);
  background: linear-gradient(160deg, #ffd6e8 0%, #cfe3ff 55%, #d6f5e3 100%);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
button { font: inherit; color: inherit; cursor: pointer; border: 0; touch-action: manipulation; }
button:active { transform: scale(0.94); }
.view { position: fixed; inset: 0; height: 100vh; height: 100dvh; }

/* Bibliothèque */
#library { overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 24px; text-align: center; }
#library h1 { font-size: clamp(2rem, 6vw, 3.4rem); margin: 8px 0 24px; }
#shelf { display: flex; flex-wrap: wrap; gap: 28px; justify-content: center; }
.cover-card {
  width: min(300px, 80vw); padding: 14px; border-radius: 32px;
  background: var(--couleur); box-shadow: 0 10px 24px rgba(43, 36, 56, 0.25);
  display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.cover-art {
  width: 100%; aspect-ratio: 3 / 4; border-radius: 22px; overflow: hidden;
  background: rgba(255, 255, 255, 0.25); display: grid; place-items: center; font-size: 6rem;
}
.cover-art img { width: 100%; height: 100%; object-fit: cover; }
.cover-title {
  background: var(--paper); border-radius: 22px; padding: 12px 16px;
  font-size: 1.3rem; font-weight: 700; width: 100%;
}

/* Lecteur */
#stage { position: absolute; inset: 0; }
#stage canvas { display: block; width: 100%; height: 100%; }
#bar {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 12px calc(12px + env(safe-area-inset-bottom));
  display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap; pointer-events: none;
}
#bar > * { pointer-events: auto; }
.round-btn {
  width: 72px; height: 72px; border-radius: 50%; font-size: 2rem;
  background: #fff; box-shadow: 0 6px 14px rgba(43, 36, 56, 0.25);
}
.round-btn:disabled { opacity: 0.35; }
.mode-btn {
  min-height: 72px; padding: 0 22px; border-radius: 36px; font-size: 1.25rem; font-weight: 700;
  background: #ffd93b; box-shadow: 0 6px 14px rgba(43, 36, 56, 0.25);
}
.big-btn {
  min-height: 72px; padding: 0 32px; border-radius: 36px; font-size: 1.6rem; font-weight: 700;
  background: #ffd93b; box-shadow: 0 8px 18px rgba(43, 36, 56, 0.3);
}
#ask { position: absolute; left: 50%; bottom: 120px; transform: translateX(-50%); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { transform: translateX(-50%) scale(1.07); } }

/* Repli HTML/CSS */
.fb { position: absolute; inset: 0 0 110px; display: flex; gap: 8px; justify-content: center; align-items: center; padding: 12px; transition: opacity 0.25s; }
.fb.fade { opacity: 0; }
.fb-page {
  flex: 0 1 38vh; aspect-ratio: 3 / 4; max-width: 46vw; background: var(--paper);
  border-radius: 20px; padding: 14px; box-shadow: 0 8px 20px rgba(43, 36, 56, 0.25);
  display: flex; flex-direction: column; justify-content: center; text-align: center;
}
.fb-art { flex: 1; border-radius: 16px; display: grid; place-items: center; font-size: 5rem; overflow: hidden; }
.fb-art img { width: 100%; height: 100%; object-fit: cover; }
.fb-text { font-size: clamp(1.1rem, 2.6vh, 1.8rem); line-height: 1.5; margin: 0; }
.fb-text .hl { background: #ffd93b; border-radius: 8px; padding: 0 4px; }

/* Question */
#quiz { background: rgba(43, 36, 56, 0.55); display: grid; place-items: center; padding: 16px; overflow-y: auto; }
#confetti { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; }
.quiz-card {
  position: relative; width: min(680px, 100%); background: var(--paper); border-radius: 36px;
  padding: 24px; text-align: center; display: flex; flex-direction: column; gap: 16px; align-items: center;
}
#qText { font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 0; }
#qChoices { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.choice {
  min-height: 84px; border-radius: 28px; background: #fff; font-size: 1.6rem; font-weight: 700;
  box-shadow: 0 6px 14px rgba(43, 36, 56, 0.2); display: flex; gap: 14px; align-items: center; justify-content: center;
}
.choice .emoji { font-size: 2.6rem; }
.choice.shake { animation: shake 0.5s; }
.choice.good { background: #b8f0c4; }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }
#qMsg { font-size: 1.4rem; min-height: 2em; margin: 0; }
#qStars { font-size: 3.4rem; min-height: 1.2em; }
#qStars span { display: inline-block; animation: pop 0.6s cubic-bezier(0.34, 1.7, 0.5, 1) both; }
@keyframes pop { from { transform: scale(0) rotate(-40deg); } to { transform: scale(1); } }

/* Bibliothèque animée : les couvertures arrivent en rebondissant puis flottent doucement. */
.cover-card {
  animation: cardIn 0.7s cubic-bezier(0.34, 1.6, 0.5, 1) both, float 3.2s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.12s), calc(0.7s + var(--i, 0) * 0.4s);
  transition: transform 0.2s;
}
.cover-card:hover { animation-play-state: paused; transform: rotate(-2deg) scale(1.04); }
.cover-card:active { animation: squish 0.3s; }
@keyframes cardIn { from { opacity: 0; transform: translateY(60px) scale(0.6) rotate(-6deg); } }
@keyframes float { 50% { transform: translateY(-8px) rotate(1deg); } }
@keyframes squish { 40% { transform: scale(1.08, 0.9); } 70% { transform: scale(0.96, 1.05); } }
#library h1 { animation: wiggle 4s ease-in-out infinite; }
@keyframes wiggle { 0%, 80%, 100% { transform: rotate(0); } 85% { transform: rotate(-3deg) scale(1.05); } 92% { transform: rotate(3deg) scale(1.05); } }
@media (prefers-reduced-motion: reduce) { .cover-card, #library h1 { animation: none; } }

/* Téléphones */
@media (max-width: 480px) {
  #library { padding: 10px max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left)); }
  #library h1 { font-size: 1.7rem; margin: 2px 0 10px; }
  #shelf { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; justify-items: center; }
  .cover-card { width: 100%; max-width: 200px; padding: 8px; gap: 6px; border-radius: 22px; }
  .cover-art { aspect-ratio: 3 / 2; border-radius: 16px; font-size: 3rem; }
  .cover-title { font-size: 0.9rem; padding: 6px 8px; border-radius: 14px; }
  .round-btn { width: 56px; height: 56px; font-size: 1.5rem; }
  .mode-btn { min-height: 56px; padding: 0 14px; font-size: 1rem; }
  .big-btn { min-height: 60px; font-size: 1.3rem; padding: 0 22px; }
  #ask { bottom: calc(150px + env(safe-area-inset-bottom)); max-width: 94vw; white-space: nowrap; font-size: 1.15rem; }
  .fb { inset: 0 0 140px; }
  #bar { gap: 8px; }
  #quiz { padding: 10px; place-items: start center; }
  .quiz-card { padding: 14px; gap: 10px; border-radius: 26px; }
  #qText { font-size: 1.5rem; }
  .choice { min-height: 64px; font-size: 1.3rem; border-radius: 22px; }
  .choice .emoji { font-size: 2rem; }
  #qStars { font-size: 2.4rem; }
}
@media (max-height: 500px) and (orientation: landscape) {
  #library { padding: 6px max(12px, env(safe-area-inset-right)) 6px max(12px, env(safe-area-inset-left)); display: flex; flex-direction: column; justify-content: center; }
  #library h1 { font-size: 1.4rem; margin: 0 0 6px; }
  #shelf { flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden; justify-content: flex-start; gap: 12px; padding: 4px 4px 12px; -webkit-overflow-scrolling: touch; }
  .cover-card { flex: 0 0 auto; width: 150px; padding: 8px; gap: 6px; border-radius: 22px; }
  .cover-art { aspect-ratio: 1 / 1; border-radius: 16px; font-size: 3rem; }
  .cover-title { font-size: 0.85rem; padding: 6px 8px; border-radius: 14px; }
  .round-btn { width: 56px; height: 56px; font-size: 1.5rem; }
  .mode-btn { min-height: 56px; padding: 0 16px; font-size: 1rem; }
  .big-btn { min-height: 56px; font-size: 1.2rem; padding: 0 22px; }
  #bar { padding: 6px 12px calc(6px + env(safe-area-inset-bottom)); }
  #ask { bottom: 76px; }
  .fb { inset: 0 0 76px; }
  #quiz { padding: 8px; place-items: start center; }
  .quiz-card { padding: 10px 16px; gap: 6px; border-radius: 22px; width: min(760px, 100%); }
  #qText { font-size: 1.3rem; }
  #qChoices { flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .choice { flex: 1 1 30%; min-height: 56px; font-size: 1.1rem; border-radius: 18px; }
  .choice .emoji { font-size: 1.6rem; }
  #qMsg { min-height: 1.2em; font-size: 1.1rem; }
  #qStars { font-size: 2rem; min-height: 1em; }
}