:root{--bg:#071426;--card:#10223c;--card2:#172d4b;--text:#f6f8ff;--muted:#aebbd0;--green:#4ce39b;--gold:#ffd166;--red:#ff6b6b}*{box-sizing:border-box}body{background:radial-gradient(circle at top, #183b61, var(--bg) 55%);color:var(--text);margin:0;font:16px system-ui,-apple-system,Segoe UI,sans-serif}main{width:min(1080px,100%);margin:auto;padding:16px 10px 70px}header{align-items:center;gap:12px;margin-bottom:16px;display:flex}header b{font-size:1.4rem}header small{color:var(--muted);display:block}.logo{background:linear-gradient(135deg,#1677ff,#7b4dff);border-radius:14px;place-items:center;width:52px;height:52px;font-size:22px;display:grid}.card{background:#10223cf2;border:1px solid #ffffff20;border-radius:20px;margin:12px 0;padding:18px;box-shadow:0 20px 60px #0004}.home{text-align:center;max-width:680px;margin:60px auto}.actions,.cols{grid-template-columns:1fr 1fr;gap:12px;display:grid}.top{justify-content:space-between;align-items:center;display:flex}.code{color:var(--gold);letter-spacing:.16em;font-size:1.8rem;display:block}input{background:var(--card2);width:100%;min-height:52px;color:var(--text);font:inherit;border:1px solid #ffffff20;border-radius:12px;margin:10px 0;padding:12px 14px;display:block}button{background:linear-gradient(135deg, var(--green), #27bd76);color:#06150d;cursor:pointer;border:0;border-radius:12px;min-height:50px;margin:5px;padding:11px 16px;font-weight:900}button.gold{background:linear-gradient(135deg, var(--gold), #ffb544)}button.ghost{background:var(--card2);color:var(--text)}button.red{background:var(--red);color:#fff}button:disabled{opacity:.4}.row{border-bottom:1px solid #ffffff18;justify-content:space-between;padding:9px 2px;display:flex}.rotation{gap:8px;padding:12px 0;display:flex;overflow:auto}.rotation span{white-space:nowrap;background:var(--card2);border-radius:99px;padding:8px 11px}.rotation .active{background:var(--gold);color:#111;font-weight:900}.chatBtn{position:fixed;bottom:16px;right:16px}.chat{z-index:10;width:min(420px,100% - 20px);max-height:72dvh;position:fixed;bottom:75px;right:10px;overflow:auto}.msg{border-bottom:1px solid #ffffff18;padding:8px}.winner{z-index:20;text-align:center;background:#030916f5;align-content:center;padding:20px;display:grid;position:fixed;inset:0}.winner h1{color:var(--gold);font-size:clamp(2.5rem,10vw,6rem)}.error{color:#ff9090;font-weight:800}@media (max-width:700px){.actions,.cols{grid-template-columns:1fr}.card{padding:14px}.home{margin:25px auto}}