:root {
  --bg: #2A4E7A;
  --card: #FFFFFF;
  --input-bg: #F5F9FF;
  --blue-dk: #2A4E7A;
  --blue-md: #6AA5E8;
  --blue-lt: #D6E6FF;
  --orange: #F97316;
  --orange-hv: #EA580C;
  --green: #10b981; --red: #ef4444;
  --text: #1F2937;
  --muted: rgba(255,255,255,.65);
  --border: #ddeaff;
  --shadow: 0 4px 20px rgba(0,0,0,.15);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  background: linear-gradient(160deg, #2A4E7A 0%, #1e3d61 100%);
  background-attachment: fixed;
  color: #fff; font-family: 'Segoe UI', system-ui, sans-serif;
  display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; padding: 16px;
}

.screen { display: none; width: 100%; max-width: 480px; position: relative; z-index: 1; }
.screen.active { display: flex; flex-direction: column; }

.big-title { font-size: 2rem; font-weight: 900; text-align: center; margin-bottom: 8px; color: #fff; }
.subtitle { color: rgba(255,255,255,.7); text-align: center; font-size: 0.9rem; margin-bottom: 24px; }
.card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 28px;
  box-shadow: var(--shadow);
}

.field { margin-bottom: 16px; }
label { display: block; font-size: 0.78rem; font-weight: 700; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .06em; }
input[type="text"] {
  background: var(--input-bg); border: 2px solid var(--border); border-radius: 12px;
  color: var(--text); padding: 14px 16px; font-size: 1.05rem; font-weight: 600; width: 100%;
  transition: border-color .2s, box-shadow .2s; font-family: inherit;
}
input[type="text"]:focus { outline: none; border-color: var(--blue-md); box-shadow: 0 0 0 3px rgba(106,165,232,.2); }

.btn-join {
  width: 100%; padding: 16px;
  background: var(--orange); color: #fff;
  border: none; border-radius: 14px; font-size: 1.1rem; font-weight: 900; cursor: pointer;
  transition: all .2s; margin-top: 8px;
  box-shadow: 0 6px 20px rgba(249,115,22,.35);
}
.btn-join:hover { background: var(--orange-hv); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(249,115,22,.45); }
.btn-join:active { transform: scale(.97); }
.btn-join:disabled { opacity: .4; cursor: not-allowed; transform: none; }

#screen-waiting { align-items: center; text-align: center; }
.pulse-ring {
  width: 110px; height: 110px; border-radius: 50%;
  background: var(--blue-lt); border: 3px solid var(--blue-md);
  display: flex; align-items: center; justify-content: center; font-size: 2.8rem;
  animation: pulse 2s ease-in-out infinite; margin: 0 auto 20px;
}
@keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.07)} }
.player-name-badge {
  display: inline-block;
  background: var(--blue-lt); border: 2px solid var(--blue-md);
  border-radius: 24px; padding: 8px 24px; font-weight: 800; font-size: 1.1rem;
  color: var(--blue-dk); margin-bottom: 8px;
}

#screen-question { gap: 12px; }
.q-header { display: flex; align-items: center; justify-content: space-between; }
.q-progress-label { font-size: 0.85rem; color: var(--blue-dk); font-weight: 700; background: var(--blue-lt); border-radius: 20px; padding: 4px 12px; }
.progress-wrap { height: 7px; background: var(--blue-lt); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--orange), var(--blue-md)); border-radius: 4px; transition: width 1s linear; }
.timer-circle {
  width: 62px; height: 62px; border-radius: 50%;
  background: var(--card); border: 3px solid var(--blue-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 900; color: var(--blue-dk); transition: all .3s;
  box-shadow: var(--shadow);
}
.timer-circle.urgent { color: var(--red); border-color: var(--red); background: #fff5f5; animation: shake .3s ease; }
@keyframes shake { 0%,100%{transform:rotate(0)} 25%{transform:rotate(-3deg)} 75%{transform:rotate(3deg)} }

.q-image { border-radius: 14px; overflow: hidden; margin: 4px 0; max-height: 200px; object-fit: cover; width: 100%; }
.q-text {
  background: var(--card); border: 1.5px solid var(--border); border-radius: 16px; padding: 22px;
  font-size: 1.2rem; font-weight: 800; text-align: center; line-height: 1.4;
  color: var(--blue-dk); box-shadow: var(--shadow);
}

.answers-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.answer-btn {
  border: none; border-radius: 16px; padding: 18px 12px; font-size: 1rem; font-weight: 800; cursor: pointer;
  transition: transform .15s, filter .15s, box-shadow .2s;
  text-align: center; line-height: 1.3;
  display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 85px; color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
}
.answer-btn:active { transform: scale(.95); }
.answer-btn:hover { filter: brightness(1.08); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.2); }
.answer-btn.c0 { background: linear-gradient(145deg, #f43f5e, #e11d48); }
.answer-btn.c1 { background: linear-gradient(145deg, #6AA5E8, #2A4E7A); }
.answer-btn.c2 { background: linear-gradient(145deg, #10b981, #047857); }
.answer-btn.c3 { background: linear-gradient(145deg, #f59e0b, #b45309); }
.answer-btn.c4 { background: linear-gradient(145deg, #8b5cf6, #6d28d9); }
.answer-btn.c5 { background: linear-gradient(145deg, #06b6d4, #0e7490); }
.answer-btn.correct-reveal { box-shadow: 0 0 0 4px var(--card), 0 0 24px rgba(16,185,129,.6); transform: scale(1.04); filter: brightness(1.2); }
.answer-btn.wrong-reveal { filter: brightness(.3) saturate(.2); transform: scale(.95); }
.answer-btn img { max-height: 60px; max-width: 100%; border-radius: 8px; object-fit: cover; }
.submit-multi-btn {
  width: 100%; padding: 16px; background: var(--green);
  color: #fff; border: none; border-radius: 14px; font-size: 1.1rem; font-weight: 800; cursor: pointer;
  transition: all .2s; margin-top: 8px; display: none;
  box-shadow: 0 6px 20px rgba(16,185,129,.3);
}
.submit-multi-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.submit-multi-btn:active { transform: scale(.97); }
.multi-hint { text-align: center; font-size: .82rem; color: rgba(255,255,255,.7); margin-top: 4px; }
.answer-btn:disabled { cursor: default; }
.answer-btn.selected { box-shadow: 0 0 0 4px rgba(255,255,255,.9), 0 4px 14px rgba(0,0,0,.15); filter: brightness(1.12); }
.answer-btn.dimmed { filter: brightness(.5) saturate(.4); }
.answer-btn .shape { font-size: 1.5rem; }

#screen-result { align-items: center; text-align: center; }
.result-icon { font-size: 5.5rem; margin-bottom: 16px; }
.result-label { font-size: 2.2rem; font-weight: 900; margin-bottom: 8px; color: #fff; }
.points-badge {
  display: inline-block;
  background: #fff7ed; border: 2px solid var(--orange);
  border-radius: 24px; padding: 10px 28px; font-size: 1.4rem; font-weight: 900; color: var(--orange); margin-bottom: 12px;
}
.waiting-next { color: rgba(255,255,255,.65); font-size: .9rem; margin-top: 12px; }
.waiting-card {
  margin-top: 20px; padding: 18px 24px;
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.2);
  border-radius: 16px; backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  animation: fade-up .4s ease both;
}
.waiting-phrase {
  color: #fff; font-size: 1rem; font-weight: 600;
  text-align: center; line-height: 1.5;
  min-height: 48px; display: flex; align-items: center; justify-content: center;
}
@keyframes fade-up { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes phrase-swap { 0%{opacity:0;transform:translateY(8px)} 20%,80%{opacity:1;transform:translateY(0)} 100%{opacity:0;transform:translateY(-8px)} }
.dot-loader { display: inline-flex; gap: 4px; }
.dot-loader span { width: 7px; height: 7px; border-radius: 50%; background: var(--blue-md); animation: dot-blink 1.2s ease-in-out infinite; }
.dot-loader span:nth-child(2) { animation-delay: .2s; }
.dot-loader span:nth-child(3) { animation-delay: .4s; }
@keyframes dot-blink { 0%,80%,100%{transform:scale(.8);opacity:.5} 40%{transform:scale(1.1);opacity:1} }

#screen-leaderboard { align-items: center; }
.lb-list { width: 100%; list-style: none; }
.lb-row {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: 14px; margin-bottom: 8px;
  background: var(--card); border: 1.5px solid var(--border);
  box-shadow: 0 2px 8px rgba(42,78,122,.06);
}
.lb-row.me { background: #fff7ed; border-color: var(--orange); }
.lb-rank { width: 28px; text-align: center; font-size: 1.2rem; }
.lb-name { flex: 1; font-weight: 700; color: var(--text); }
.lb-score { font-weight: 800; color: var(--orange); }
.lb-row:first-child { background: #fff7ed; border-color: var(--orange); }
.lb-row:nth-child(2) { background: #f0f6ff; border-color: var(--blue-md); }
.lb-row:nth-child(3) { background: #fdf3e8; border-color: #fb923c; }

#screen-end { align-items: center; text-align: center; }
.final-trophy { font-size: 5rem; animation: trophy-bounce 1s ease; }
@keyframes trophy-bounce { 0%{transform:translateY(-40px);opacity:0} 60%{transform:translateY(8px)} 100%{transform:translateY(0);opacity:1} }
.final-rank { font-size: 3.5rem; font-weight: 900; margin: 12px 0; color: #fff; }
.final-score { color: var(--orange); font-size: 1.4rem; font-weight: 800; }

#screen-abort { text-align: center; }
.err-msg { color: var(--red); font-size: 0.85rem; text-align: center; margin-top: 8px; font-weight: 600; min-height: 20px; }
.logo-top {
  text-align: center; font-size: 1.3rem; font-weight: 900; margin-bottom: 20px;
  color: #fff; letter-spacing: .02em;
}
.hidden { display: none !important; }

/* ── Transitions entre écrans ───────────────────── */
.screen.active { animation: screen-in .38s cubic-bezier(.22,.68,0,1.15) both; }
@keyframes screen-in { from { opacity:0; transform: translateY(18px) scale(.98); } to { opacity:1; transform: translateY(0) scale(1); } }

/* ── Overlay "Question X" ───────────────────────── */
.q-intro-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: linear-gradient(135deg, var(--blue-dk) 0%, #1a3558 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  /* L'overlay reste affiché jusqu'au démarrage réel de la question (≈2.5s côté serveur)
     pour éviter de revoir l'ancien écran pendant le compte à rebours */
  animation: intro-fade-out .4s ease forwards;
  animation-delay: 2.1s; pointer-events: none;
}
.q-intro-num {
  font-size: 1rem; font-weight: 700; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .12em;
  animation: intro-item .5s ease both; animation-delay: .05s;
}
.q-intro-big {
  font-size: 5rem; font-weight: 900;
  background: linear-gradient(135deg, #F97316, #6AA5E8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  animation: intro-zoom .6s cubic-bezier(.22,.68,0,1.3) both; animation-delay: .1s;
}
.q-intro-bar {
  width: 80px; height: 5px; border-radius: 4px;
  background: linear-gradient(90deg, #F97316, #6AA5E8);
  animation: intro-bar .7s ease both; animation-delay: .2s;
}
@keyframes intro-zoom { from{transform:scale(0) rotate(-8deg);opacity:0} 70%{transform:scale(1.1)} to{transform:scale(1);opacity:1} }
@keyframes intro-item { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes intro-bar  { from{width:0;opacity:0} to{width:80px;opacity:1} }
@keyframes intro-fade-out { to { opacity:0; } }

/* ── Boutons de réponse — entrée décalée ────────── */
@keyframes btn-pop { from{opacity:0;transform:scale(.75) translateY(14px)} to{opacity:1;transform:scale(1) translateY(0)} }
.answer-btn { animation: btn-pop .35s cubic-bezier(.22,.68,0,1.2) both; }
.answer-btn:nth-child(1) { animation-delay: .08s; }
.answer-btn:nth-child(2) { animation-delay: .14s; }
.answer-btn:nth-child(3) { animation-delay: .20s; }
.answer-btn:nth-child(4) { animation-delay: .26s; }
.answer-btn:nth-child(5) { animation-delay: .32s; }
.answer-btn:nth-child(6) { animation-delay: .38s; }

/* ── Révélation bonne/mauvaise réponse ──────────── */
.answer-btn.correct-reveal { animation: correct-pop .5s cubic-bezier(.22,.68,0,1.2) forwards !important; }
.answer-btn.wrong-reveal { animation: wrong-fade .4s ease forwards !important; }
@keyframes correct-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16,185,129,.6), 0 0 32px rgba(16,185,129,.5); filter: brightness(1.3); }
  100%{ transform: scale(1.04); box-shadow: 0 0 0 4px #fff, 0 0 20px rgba(16,185,129,.7); filter: brightness(1.2); }
}
@keyframes wrong-fade { to { filter: brightness(.3) saturate(.2); transform: scale(.95); } }

/* ── Résultat ─────────────────────────────────────── */
.result-icon { animation: result-bounce .5s cubic-bezier(.22,.68,0,1.4) both; }
@keyframes result-bounce { from{transform:scale(0) rotate(-15deg);opacity:0} 70%{transform:scale(1.25) rotate(5deg)} to{transform:scale(1) rotate(0);opacity:1} }
.points-badge { animation: badge-in .45s cubic-bezier(.22,.68,0,1.3) both; animation-delay: .15s; }
@keyframes badge-in { from{transform:scale(0);opacity:0} to{transform:scale(1);opacity:1} }

/* ── Leaderboard ─────────────────────────────────── */
@keyframes lb-slide { from{opacity:0;transform:translateX(-28px)} to{opacity:1;transform:translateX(0)} }
.lb-row-anim { animation: lb-slide .4s ease both; }

/* ── Double Points Banner ─────────────────────────── */
.double-pts-banner {
  text-align:center; font-size:1.4rem; font-weight:900; color:#fff;
  background: linear-gradient(135deg, #F97316, #f59e0b);
  border-radius: 12px; padding: 10px 16px;
  box-shadow: 0 4px 20px rgba(249,115,22,.45);
  animation: banner-pop .5s cubic-bezier(.22,.68,0,1.3) both;
}
@keyframes banner-pop {
  0%  { transform: scale(0.6) translateY(-10px); opacity: 0; }
  60% { transform: scale(1.08) translateY(0); }
  100%{ transform: scale(1) translateY(0); opacity: 1; }
}

/* ── Multi Réponses Banner ────────────────────────── */
.multi-banner {
  text-align:center; font-size:1.4rem; font-weight:900; color:#fff;
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  border-radius: 12px; padding: 10px 16px;
  box-shadow: 0 4px 20px rgba(139,92,246,.45);
  animation: banner-pop .5s cubic-bezier(.22,.68,0,1.3) both;
}

/* ── Streak Badge ─────────────────────────────────── */
.streak-badge { font-size:1.4rem; font-weight:900; color:#F97316; text-align:center; margin-top:4px; animation: badge-in .45s cubic-bezier(.22,.68,0,1.3) both; }

/* ── Open Answer ──────────────────────────────────── */
.open-answer-wrap { display:flex; flex-direction:column; gap:8px; margin-top:8px; }
.open-answer-wrap textarea {
  background: var(--card); border: 2px solid var(--border); border-radius: 14px;
  color: var(--text); padding: 14px 16px; font-size: 1rem; font-weight: 600;
  width: 100%; resize: none; font-family: inherit; transition: border-color .2s;
}
.open-answer-wrap textarea:focus { outline: none; border-color: var(--blue-md); box-shadow: 0 0 0 3px rgba(106,165,232,.2); }

/* ── Timer paused ─────────────────────────────────── */
.timer-circle.paused { color: var(--orange); border-color: var(--orange); background: #fff7ed; }