:root{color-scheme:dark;--bg:#121a20;--ink:#f7f2e9;--muted:#a8b3b5;--coral:#ff997d;--mint:#a6e5ce}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,sans-serif}main{max-width:1120px;margin:auto;padding:34px 48px}header,footer,.under,.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{color:var(--ink);text-decoration:none;font-size:25px;font-weight:750;letter-spacing:-1px}.brand span{display:block;color:var(--muted);font-size:10px;letter-spacing:2px;text-transform:uppercase;font-weight:500;margin-top:2px}.pill{border:1px solid #35464b;border-radius:30px;padding:7px 13px;font-size:12px;color:var(--mint)}.intro{margin:55px 0 26px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--coral);font-weight:700}h1{font-size:clamp(36px,5vw,62px);letter-spacing:-3px;line-height:1.06;margin:18px 0}.intro>p:last-child{color:var(--muted);margin-top:20px}.toolbar{justify-content:flex-start;flex-wrap:wrap}button{border:0;background:var(--coral);color:#182126;border-radius:8px;padding:13px 20px;font:700 14px system-ui;cursor:pointer}button:disabled{opacity:.4;cursor:default}.secondary{background:#243238;color:var(--ink);border:1px solid #3d5057}.relay{margin-left:auto;color:var(--muted);font-size:13px;cursor:pointer}input{accent-color:var(--mint)}#message{font-size:13px;color:var(--muted);min-height:20px;margin:17px 0}.arena{position:relative;border:1px solid #385052;border-radius:16px;overflow:hidden;background:#18272d;box-shadow:0 25px 80px #0003}canvas{width:100%;display:block;touch-action:none;outline-offset:-4px}.hud{position:absolute;top:20px;left:22px;right:22px;display:flex;justify-content:space-between;pointer-events:none;font-size:11px;font-weight:700;letter-spacing:2px;color:#d4ded5}.under{margin-top:16px;font-size:12px;color:var(--muted)}kbd{font:11px system-ui;border:1px solid #45565d;border-radius:4px;padding:3px 6px;color:var(--ink)}.text{padding:8px 0;background:none;color:var(--mint);font-size:12px}footer{border-top:1px solid #304147;margin-top:36px;padding-top:20px;font-size:11px;color:#91a2a8}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:4px}.report{background:#1b292e;border:1px solid #344a52;padding:20px;border-radius:12px;margin:16px 0}.report h2{margin:0 0 10px;font-size:18px}.report p{margin:8px 0;color:var(--muted)}.ok{color:var(--mint)}.warning{color:var(--coral)}@media(max-width:600px){main{padding:24px 18px}.intro{margin-top:38px}h1{letter-spacing:-1.6px}.relay{margin-left:0;width:100%}.under{align-items:flex-start}.under>span{max-width:70%}.hud{top:12px;left:12px;right:12px;font-size:9px;letter-spacing:1px}footer{gap:10px;font-size:10px}.brand{font-size:22px}.pill{font-size:10px;padding:6px 9px}}