:root{
  --bg:#0b0d12;
  --card:#131826;
  --muted:#a6b0bf;
  --text:#e7eef7;
  --border:rgba(255,255,255,.10);
  --shadow: 0 16px 30px rgba(0,0,0,.35);
  --accent:#06b6d4;
  --accent2:#7c3aed;
}
*{box-sizing:border-box}
body{
  margin:0;
  min-height:100vh;
  background: radial-gradient(900px 520px at 20% 20%, rgba(6,182,212,.18), transparent 60%),
              radial-gradient(900px 520px at 85% 20%, rgba(124,58,237,.14), transparent 55%),
              var(--bg);
  color:var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
}
.wrap{width:min(1100px, calc(100% - 24px)); margin:0 auto; padding:16px}
.top{display:flex; justify-content:space-between; align-items:flex-end; gap:14px; flex-wrap:wrap}
h1{margin:0 0 6px 0; font-size:28px}
.muted{color:var(--muted)}
.card{margin-top:14px; background:rgba(19,24,38,.92); border:1px solid var(--border); border-radius:18px; padding:16px; box-shadow: var(--shadow)}
.hud{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.chip{background:rgba(255,255,255,.06); border:1px solid var(--border); border-radius:999px; padding:8px 10px; font-weight:800}
.btn{cursor:pointer; border:1px solid rgba(6,182,212,.35); background:rgba(6,182,212,.16); color:var(--text); border-radius:12px; padding:9px 12px; font-weight:900}
.btn:hover{filter:brightness(1.04)}
.stage{display:grid; grid-template-columns:1fr; gap:16px; align-items:center}
@media (min-width:900px){ .stage{grid-template-columns: 380px 1fr;} }
.clock{
  width: min(340px, 100%);
  aspect-ratio: 1 / 1;
  margin:0 auto;
  border-radius:999px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.06), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.14);
  position:relative;
}
.clock__num{
  position:absolute;
  font-weight:1000;
  color:rgba(255,255,255,.90);
  text-shadow: 0 8px 16px rgba(0,0,0,.25);
}
.n12{top:10px; left:50%; transform:translateX(-50%)}
.n3{right:12px; top:50%; transform:translateY(-50%)}
.n6{bottom:10px; left:50%; transform:translateX(-50%)}
.n9{left:12px; top:50%; transform:translateY(-50%)}
.hand{position:absolute; left:50%; top:50%; transform-origin: 50% 100%; transform: translate(-50%,-100%) rotate(0deg); border-radius:12px}
.hand.hour{width:10px; height:90px; background:rgba(255,255,255,.85)}
.hand.minute{width:7px; height:130px; background:rgba(6,182,212,.88)}
.center{position:absolute; width:16px; height:16px; border-radius:50%; background:rgba(255,255,255,.92); left:50%; top:50%; transform:translate(-50%,-50%); border:2px solid rgba(0,0,0,.25)}
.question .label{font-weight:1000; margin-bottom:10px}
.options{display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:12px}
@media (min-width:860px){ .options{grid-template-columns: repeat(3, minmax(0,1fr));} }
.opt{cursor:pointer; border:1px solid rgba(255,255,255,.12); background:rgba(255,255,255,.05); color:var(--text); border-radius:16px; padding:16px 10px; font-weight:1000; font-size:18px}
.opt:hover{filter:brightness(1.05)}
.msg{min-height:24px; margin-top:12px; font-weight:1000}
.msg.ok{color:#34d399}
.msg.err{color:#fb7185}