:root {
  --bg: #0f0b1f; --card: #1b1535; --card2: #261d4a; --text: #f4f1ff; --muted: #9d94c7;
  --accent: #ff4fa3; --accent2: #6c5ce7; --ok: #2ecc71; --ko: #e74c3c; --gold: #ffd166;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 0%, #2a1b5c 0%, var(--bg) 55%);
  color: var(--text); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 980px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { text-align: center; font-size: clamp(2rem, 6vw, 3.4rem); margin: 8px 0 4px;
     background: linear-gradient(90deg, var(--accent), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { margin: 0 0 8px; }
.sub { text-align: center; color: var(--muted); margin-bottom: 24px; }
.card { background: var(--card); border-radius: 16px; padding: 20px; margin-bottom: 16px; box-shadow: 0 6px 24px #0006; }
label { display: block; font-weight: 600; margin: 12px 0 6px; }
input[type=text], select {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 2px solid var(--card2);
  background: var(--bg); color: var(--text); font-size: 1rem;
}
input:focus, select:focus { outline: none; border-color: var(--accent2); }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1 1 140px; }
button, .btn {
  border: 0; border-radius: 12px; padding: 12px 18px; font-size: 1rem; font-weight: 700; cursor: pointer;
  background: var(--accent2); color: #fff; transition: transform .08s, filter .15s; text-decoration: none; display: inline-block; text-align: center;
}
button:hover:not(:disabled) { filter: brightness(1.15); }
button:active:not(:disabled) { transform: scale(.97); }
button:disabled { opacity: .35; cursor: not-allowed; }
button.primary { background: linear-gradient(90deg, var(--accent), var(--accent2)); font-size: 1.15rem; padding: 14px 26px; }
button.ok { background: var(--ok); } button.ko { background: var(--ko); } button.ghost { background: var(--card2); }
button.on { outline: 3px solid var(--gold); }
.hidden { display: none !important; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border-radius: 999px; background: var(--card2); cursor: pointer; user-select: none; border: 2px solid transparent; }
.chip.on { border-color: var(--accent); background: #3a2160; }
.scores { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 16px; }
.team { background: var(--card); border-radius: 14px; padding: 12px; text-align: center; border: 3px solid transparent; position: relative; }
.team .name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.team .pts { font-size: 2.2rem; font-weight: 800; }
.team.buzzed { border-color: var(--gold) !important; animation: pulse .7s infinite alternate; }
.team.locked { opacity: .35; }
.team.off { opacity: .55; }
@keyframes pulse { to { box-shadow: 0 0 22px var(--gold); } }
.stage { text-align: center; }
.round { color: var(--muted); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
.cover { width: 220px; height: 220px; border-radius: 18px; margin: 16px auto; background: var(--card2) center/cover;
         display: grid; place-items: center; font-size: 5rem; box-shadow: 0 8px 30px #0008; }
.answer { min-height: 70px; }
.answer .t { font-size: 1.6rem; font-weight: 800; } .answer .a { color: var(--gold); font-size: 1.2rem; }
.actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.hint { color: var(--muted); font-size: .9rem; margin-top: 10px; }
.status { color: var(--muted); min-height: 1.4em; margin-top: 8px; }
.qr { display: inline-block; background: #fff; padding: 10px; border-radius: 12px; }
.qr img, .qr canvas { display: block; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--ko); margin-right: 6px; }
.dot.on { background: var(--ok); }
.urls code { background: var(--bg); padding: 4px 8px; border-radius: 8px; color: var(--gold); word-break: break-all; }