*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#08061a;color:#eaf6ff;font:14px system-ui}#game{position:fixed;inset:0}canvas{touch-action:none}header{position:fixed;top:14px;left:16px;pointer-events:none}h1{margin:0;font-size:25px;letter-spacing:-1px}h1 span{color:#6fe7a8}h1 small{font-size:16px}#mode-label{font-size:10px;color:#abc5c0;margin-top:5px}.sw-ranking-box{position:fixed;top:12px;right:12px;width:190px;background:#0d1a2ad9;border:1px solid #51776955;border-radius:14px;padding:12px;pointer-events:none}#hud-length{color:#83edb5;font-size:22px}#hud-rank{font-size:11px;margin-left:12px;color:#acbcc5}#sw-ranking{margin-top:8px}.sw-row{display:flex;gap:8px;font-size:11px;padding:3px 0}.sw-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.my-pos{color:#81e9ae}.sw-pos{color:#94a7b4}#sw-minimap{position:fixed;bottom:18px;left:18px;width:130px;height:130px;border-radius:14px;background:#12192bcc}#oob-warning{display:none;position:fixed;top:20%;left:50%;transform:translateX(-50%);color:#ffd4a7;font-weight:800}#death-overlay{position:fixed;inset:0;display:none;pointer-events:none;background:#091426}#overlay{position:fixed;inset:0;display:grid;place-items:center;background:#08142288;backdrop-filter:blur(4px);z-index:90}.panel{width:min(430px,92vw);background:#132439f5;padding:28px;border:1px solid #426475;border-radius:25px;box-shadow:0 20px 90px #0008}.panel h2{font-size:32px;margin:8px 0}.panel p{line-height:1.6;color:#adcad4;font-size:13px}.panel input,.panel select{width:100%;padding:12px;border:1px solid #446273;border-radius:10px;background:#21394c;color:white;font:inherit}.choices{display:flex;gap:12px;margin:14px 0}.choices label{flex:1;min-width:0;font-size:11px}.choices select{margin-top:6px}button{cursor:pointer;border:0;border-radius:10px;padding:12px 16px;font:700 15px system-ui;background:#7de3aa;color:#082b22}#play{width:100%;margin-top:8px}button:disabled{opacity:.5}#cache{font-size:10px;margin-bottom:0}#paused{position:fixed;inset:0;display:grid;place-items:center;background:#0c1c2bc9;z-index:100}#results{padding:12px;background:#07152688;border-radius:10px;color:#91f1bd;margin-bottom:12px}#results[hidden],[hidden]{display:none!important}footer{position:fixed;bottom:12px;right:12px;display:flex;gap:12px;align-items:center}header,hud-snake{pointer-events:none}@media(max-width:600px){h1{font-size:19px}header{left:10px;top:10px}.sw-ranking-box{width:140px;font-size:10px}#hud-length{font-size:19px}}