:root {
  --bg: #0a0f24;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.14);
  --text: #eef1ff;
  --muted: #98a2d6;
  --p1: #38bdf8;
  --p1-soft: rgba(56, 189, 248, 0.14);
  --p2: #f472b6;
  --p2-soft: rgba(244, 114, 182, 0.14);
  --good: #34d399;
  --bad: #f87171;
  --warn: #fbbf24;
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color-scheme: dark;
}

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

body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(56, 189, 248, 0.2), transparent 60%),
    radial-gradient(900px 500px at 88% -10%, rgba(244, 114, 182, 0.2), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

#app { max-width: 980px; margin: 0 auto; padding: 24px 16px 48px; }

.screen { display: none; }
.screen.active { display: block; animation: fade 0.3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

kbd {
  display: inline-grid;
  place-items: center;
  min-width: 1.9em;
  height: 1.9em;
  padding: 0 0.4em;
  font: 700 0.85rem/1 "Consolas", monospace;
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  border-radius: 7px;
}

.btn {
  padding: 12px 22px;
  font: 700 1rem/1.2 var(--font);
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.08s, background 0.15s, border-color 0.15s, opacity 0.15s;
}
.btn:hover:not(:disabled) { background: rgba(255, 255, 255, 0.14); }
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { color: #08101f; border-color: transparent; background: linear-gradient(90deg, var(--p1), var(--p2)); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.1); background: linear-gradient(90deg, var(--p1), var(--p2)); }
.btn.big { padding: 15px 32px; font-size: 1.1rem; }
.btn:focus-visible, .answer:focus-visible, input:focus-visible { outline: 3px solid var(--warn); outline-offset: 2px; }

.center-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }
.screen-title { margin-top: 8px; font-size: clamp(1.6rem, 4.5vw, 2.4rem); font-weight: 900; text-align: center; }

/* ───────── Accueil ───────── */
.logo {
  margin-top: 16px;
  font-size: clamp(3.4rem, 10vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  text-align: center;
}
.logo span {
  background: linear-gradient(90deg, var(--p1), var(--p2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tagline { margin: 4px 0 30px; text-align: center; color: var(--muted); }
.tagline strong { color: var(--text); }

#setup { display: grid; gap: 20px; justify-items: center; }
.setup-card {
  display: grid;
  gap: 10px;
  width: min(100%, 420px);
  padding: 18px;
  background: var(--card);
  border: 2px solid var(--p1);
  border-radius: var(--radius);
}
.setup-tag { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c, var(--p1)); }
.setup-card input {
  width: 100%;
  padding: 12px 14px;
  font: 700 1.2rem/1.2 var(--font);
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid var(--line);
  border-radius: 12px;
}
.setup-card input:focus { border-color: var(--p1); outline: none; }
.field-help { font-size: 0.8rem; color: var(--muted); }

.conn { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--muted); }
.conn::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--warn); }
.conn.ok::before { background: var(--good); box-shadow: 0 0 10px var(--good); }
.conn.bad::before { background: var(--bad); }
.notice { min-height: 1.3em; color: var(--warn); text-align: center; }

.rules {
  display: grid;
  gap: 10px;
  max-width: 720px;
  margin: 24px auto 0;
  padding: 18px 22px 18px 40px;
  color: var(--muted);
  line-height: 1.5;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.rules strong { color: var(--text); }
.rules kbd { min-width: 1.6em; height: 1.6em; margin: 0 1px; font-size: 0.75rem; }

/* ───────── Amis ───────── */
[hidden] { display: none !important; }

.btn.small { padding: 8px 14px; font-size: 0.9rem; border-radius: 10px; }
.btn.ghost { padding: 6px 10px; color: var(--muted); background: transparent; border-color: transparent; }
.btn.ghost:hover:not(:disabled) { color: var(--bad); background: rgba(248, 113, 113, 0.12); }

.friends {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin: 24px auto 0;
  padding: 18px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.friends-body { display: grid; gap: 12px; }
.status-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

/* Haut de page : connexion / compte, à droite */
.topbar { display: flex; justify-content: flex-end; align-items: center; min-height: 60px; padding: 14px 16px 0; }
.account { position: relative; display: flex; align-items: center; gap: 10px; }
#googleButton { min-height: 32px; }
#accountName { display: inline-block; max-width: 9em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
.menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  display: grid;
  gap: 8px;
  width: max-content;
  max-width: min(320px, 88vw);
  padding: 12px;
  font-size: 0.9rem;
  line-height: 1.45;
  text-align: left;
  background: #111938;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}
.menu-note { font-size: 0.82rem; color: var(--muted); }
.menu-item {
  display: block;
  width: 100%;
  padding: 9px 10px;
  font: 700 0.95rem/1.2 var(--font);
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.menu-item:hover { background: rgba(255, 255, 255, 0.1); }
.menu-item:focus-visible { outline: 3px solid var(--warn); }
code { padding: 1px 5px; font: 0.85em "Consolas", monospace; background: rgba(255, 255, 255, 0.1); border-radius: 5px; }
.status-block { display: grid; justify-items: center; gap: 10px; }
.friends-toggle[aria-expanded="true"] { border-color: var(--p1); background: var(--p1-soft); }
.badge {
  display: inline-grid;
  place-items: center;
  min-width: 1.5em;
  height: 1.5em;
  margin-left: 8px;
  padding: 0 0.4em;
  font-size: 0.75rem;
  font-weight: 800;
  color: #08101f;
  background: var(--p2);
  border-radius: 999px;
}
.friends-title { font-size: 1.2rem; font-weight: 800; }
.friends-sub { margin-top: 4px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.my-code { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--muted); }
.my-code strong { font: 800 1.25rem "Consolas", monospace; letter-spacing: 0.1em; color: var(--text); }

.add-friend { display: flex; gap: 10px; }
.add-friend input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  font: 700 1rem/1.2 var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid var(--line);
  border-radius: 10px;
}
.add-friend input::placeholder { font-weight: 600; letter-spacing: 0; text-transform: none; }
.add-friend input:focus { border-color: var(--p1); outline: none; }
.friend-msg { min-height: 1.3em; font-size: 0.9rem; color: var(--warn); }

.banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: var(--p2-soft);
  border: 1px solid var(--p2);
  border-radius: 12px;
}

.friend-list, #requests { display: grid; }
.friend-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; padding: 9px 0; border-top: 1px solid var(--line); }
.friend-row .name { flex: 1; min-width: 6em; font-weight: 700; overflow-wrap: anywhere; }
.friend-status { font-size: 0.85rem; color: var(--muted); }
.friend-empty { padding: 6px 0; color: var(--muted); }
.dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: #64748b; }
.dot.online { background: var(--good); box-shadow: 0 0 8px var(--good); }
.dot.searching { background: var(--warn); }
.dot.playing { background: var(--p1); }

/* Défi reçu */
.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 16px;
  width: min(92vw, 520px);
  padding: 14px 18px;
  font-weight: 800;
  background: #111938;
  border: 2px solid var(--p2);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  transform: translateX(-50%);
  animation: drop 0.3s ease;
}
.toast-actions { display: flex; gap: 8px; }
@keyframes drop { from { opacity: 0; transform: translate(-50%, -12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ───────── Recherche d'adversaire ───────── */
.radar { position: relative; width: 150px; height: 150px; margin: 36px auto 26px; }
.radar span {
  position: absolute;
  inset: 0;
  border: 3px solid var(--p1);
  border-radius: 50%;
  opacity: 0;
  animation: radar 2.4s ease-out infinite;
}
.radar span:nth-child(2) { border-color: var(--p2); animation-delay: 0.8s; }
.radar span:nth-child(3) { animation-delay: 1.6s; }
.radar::after {
  content: "";
  position: absolute;
  inset: 58px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--p1), var(--p2));
  box-shadow: 0 0 24px var(--p1);
}
@keyframes radar { 0% { transform: scale(0.3); opacity: 0.9; } 100% { transform: scale(1.5); opacity: 0; } }
.search-time { margin: 10px 0 6px; text-align: center; font-size: 1.1rem; font-variant-numeric: tabular-nums; }

/* ───────── Adversaire trouvé ───────── */
.found { margin: 40px 0 24px; font-size: clamp(1.6rem, 4.5vw, 2.4rem); font-weight: 900; text-align: center; color: var(--good); }
.versus { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; max-width: 760px; margin: 0 auto; }
.vs { font-size: 1.8rem; font-weight: 900; color: var(--muted); text-align: center; }
.versus-card { --c: var(--p1); display: grid; gap: 8px; justify-items: center; padding: 26px 16px; background: var(--card); border: 2px solid var(--c); border-radius: var(--radius); }
.versus-card.p2 { --c: var(--p2); }
.versus-name { font-size: 1.6rem; font-weight: 800; overflow-wrap: anywhere; text-align: center; }
.countdown { margin-top: 30px; text-align: center; color: var(--muted); font-size: 1.1rem; }

/* ───────── Partie ───────── */
.hud { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; margin-bottom: 12px; }
.round { font-size: 1.1rem; font-weight: 800; }
.category { padding: 6px 14px; font-size: 0.9rem; font-weight: 800; border-radius: 999px; color: #08101f; background: var(--muted); }
.category[data-cat="cyber"] { background: var(--bad); }
.category[data-cat="infra"] { background: var(--warn); }
.category[data-cat="reseaux"] { background: var(--p1); }
.category[data-cat="prog"] { background: #a78bfa; }
.category[data-cat="bdd"] { background: var(--good); }
.category[data-cat="autre"] { background: var(--muted); }

.timer-row { display: flex; align-items: center; gap: 14px; }
.timer { flex: 1; position: relative; height: 16px; overflow: hidden; background: rgba(255, 255, 255, 0.1); border-radius: 999px; }
.timer-fill { position: absolute; inset: 0; transform-origin: left; background: var(--good); border-radius: 999px; }
.timer-fill.warn { background: var(--warn); }
.timer-fill.danger { background: var(--bad); }
.timer-text { min-width: 4.5em; font-weight: 800; text-align: right; font-variant-numeric: tabular-nums; }

.scoreboard { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.player {
  --c: var(--p1);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 14px 16px;
  background: var(--card);
  border: 2px solid var(--c);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px -24px var(--c);
}
.player.p2 { --c: var(--p2); }

.player-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.player-name { font-size: 1.15rem; font-weight: 800; color: var(--c); overflow-wrap: anywhere; }
.player-name small { font-size: 0.75rem; font-weight: 600; color: var(--muted); }

.score-row { display: flex; align-items: baseline; gap: 8px; }
.score { font-size: 2.2rem; font-weight: 900; font-variant-numeric: tabular-nums; line-height: 1; }
.pts { color: var(--muted); font-weight: 700; }
.gain { font-weight: 800; color: var(--good); opacity: 0; }
.gain.pop { animation: pop 1.6s ease forwards; }
@keyframes pop {
  0% { opacity: 0; transform: translateY(8px) scale(0.8); }
  15% { opacity: 1; transform: none; }
  80% { opacity: 1; }
  100% { opacity: 0.85; }
}

.status { min-height: 3.2em; }
.status-main { font-weight: 800; }
.status-main.ok { color: var(--good); }
.status-main.ko { color: var(--bad); }
.status-main.muted { color: var(--muted); font-weight: 600; }
.status-sub { margin-top: 2px; font-size: 0.85rem; color: var(--muted); }
.question-card {
  display: grid;
  place-items: center;
  min-height: 110px;
  margin: 18px 0;
  padding: 22px;
  font-size: clamp(1.25rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.answers { --c: var(--p1); --c-soft: var(--p1-soft); display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.answer {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  font: 600 1.05rem/1.3 var(--font);
  text-align: left;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.08s, background 0.15s, border-color 0.15s, opacity 0.2s;
}
.answer kbd { flex: none; color: var(--c); }
.answer:hover:not(:disabled) { border-color: var(--c); background: var(--c-soft); }
.answer:active:not(:disabled) { transform: scale(0.985); }
.answer:disabled { cursor: default; color: var(--text); }
.answers.locked .answer { opacity: 0.5; }
.answer.picked { opacity: 1; border-color: var(--c); background: var(--c-soft); }
.answer.correct { opacity: 1; border-color: var(--good); background: rgba(52, 211, 153, 0.2); }
.answer.wrong { opacity: 1; border-color: var(--bad); background: rgba(248, 113, 113, 0.2); }
.answer.dim { opacity: 0.4; }

.round-footer { min-height: 1.5em; margin-top: 18px; text-align: center; color: var(--muted); font-weight: 600; }

/* ───────── Fin de match ───────── */
.end-icon { margin-top: 24px; font-size: 4.5rem; text-align: center; animation: bounce 1.2s ease infinite; }
@keyframes bounce { 50% { transform: translateY(-10px); } }
.end-title { margin-top: 8px; font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 900; text-align: center; }
.end-title[data-result="win"] { color: var(--good); }
.end-title[data-result="loss"] { color: var(--bad); }
.end-title[data-result="draw"] { color: var(--warn); }
.end-reason { margin: 8px 0 30px; text-align: center; color: var(--muted); }

.final-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 720px; margin: 0 auto; }
.final-card {
  --c: var(--p1);
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 24px 16px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius);
}
.final-card.p2 { --c: var(--p2); }
.final-card.winner { border-color: var(--c); box-shadow: 0 0 40px -8px var(--c); transform: scale(1.03); }
.final-name { font-size: 1.3rem; font-weight: 800; color: var(--c); overflow-wrap: anywhere; text-align: center; }
.final-score { font-size: 2.2rem; font-weight: 900; }

/* ───────── Petits écrans ───────── */
@media (max-width: 640px) {
  .answers, .final-cards { grid-template-columns: 1fr; }
  .versus { grid-template-columns: 1fr; }
  .scoreboard { gap: 8px; }
  .player { padding: 10px 12px; }
  .score { font-size: 1.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .radar span { opacity: 0.5; }
  .gain { opacity: 1; }
}