:root{color-scheme:dark;--ink:#e9f1ed;--muted:#a3b6bb;--mint:#b9ffdb}*{box-sizing:border-box}body{margin:0;background:#081319;color:var(--ink);font-family:"Noto Sans CJK SC","Microsoft YaHei",sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:1px solid #8dcbb532;border-radius:6px;background:#11272ca8;padding:13px 20px;transition:background .2s,transform .2s}button:hover{background:#28413f;transform:translateY(-2px)}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--mint);outline-offset:4px}button:disabled{opacity:.5}#shell{position:relative;height:100svh;min-height:540px;overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:none}.vignette{position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 160px #030b1080}header{position:absolute;top:35px;left:4%;right:4%;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--mint);font-size:35px}.brand span{font-family:Georgia,serif;letter-spacing:4px;font-size:22px;color:var(--ink)}.brand small{display:block;font:10px sans-serif;letter-spacing:7px;margin-top:5px;color:var(--muted)}.top-actions{display:flex;gap:10px;align-items:center}.top-actions button{font-size:12px;padding:9px 13px}.tag{font-size:11px;letter-spacing:2px;color:var(--muted);margin-right:20px}.panel{position:absolute;left:9%;top:50%;transform:translateY(-46%);max-width:640px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--mint);display:flex;gap:10px;align-items:center}.eyebrow>span{width:6px;height:6px;background:var(--mint);border-radius:50%}h1{font-family:Georgia,"Noto Serif CJK SC",serif;font-weight:400;font-size:clamp(40px,5.1vw,76px);line-height:1.3;letter-spacing:2px;margin:24px 0}p{color:#b8c9cc;font-size:14px;line-height:2.1}.buttons{display:flex;gap:12px;margin-top:32px}.buttons button{min-width:175px}.buttons b,.buttons span{margin-left:24px}.primary{background:var(--mint);color:#122b2a;border-color:var(--mint)}.primary:hover{background:#d4ffe8}.controls{display:flex;flex-wrap:wrap;gap:13px 20px;max-width:450px;margin-top:33px;color:#91a8ad;font-size:11px}kbd{font:10px monospace;border:1px solid #718e8b55;padding:3px 5px;border-radius:3px;color:#d3e0db}footer{position:absolute;bottom:25px;left:4%;right:4%;display:flex;justify-content:space-between;font:10px monospace;letter-spacing:2px;color:#87a3ad;pointer-events:none}footer i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);margin-right:9px}footer em{padding:0 12px}#hud{position:absolute;top:112px;left:4%;right:4%;display:flex;justify-content:space-between;pointer-events:none}#hud[hidden],[hidden]{display:none!important}#hud label{display:block;font:10px monospace;letter-spacing:2px;color:#b4cbcf}#health{display:flex;gap:5px;margin:12px 0}#health i{width:25px;height:5px;background:#b9ffdb;box-shadow:0 0 9px #b9ffdb30}#health i.empty{background:#698e8733;box-shadow:none}#hud small{display:block;font-size:10px;color:#a6bfc3}.dashbar{width:145px;height:2px;background:#89a39930;margin-top:9px}.dashbar i{display:block;height:100%;background:#d8c08f}#score{font:30px Georgia,serif;display:block;margin:8px 0}.hud-right{text-align:right}.hud-center{text-align:center;width:240px;font-size:12px;letter-spacing:2px}#progress{height:2px;background:#94bbaa25;margin:12px 0}#progress i{display:block;height:100%;background:#b9ffdb;width:0}#notice{position:absolute;top:34%;left:50%;transform:translateX(-50%);color:var(--mint);font-size:17px;letter-spacing:4px;text-shadow:0 2px 8px #001c26;pointer-events:none;text-align:center}#result{background:#08161ce0;padding:35px;border-left:1px solid #b9ffdb55}#pauseOverlay{position:absolute;inset:0;background:#061218cb;display:flex;flex-direction:column;align-items:center;justify-content:center;backdrop-filter:blur(8px)}#pauseOverlay h2{font:42px Georgia,serif}#touch{position:absolute;bottom:65px;left:24px;right:24px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}#stick{width:110px;height:110px;border:1px solid #b9ffdb55;background:#adcac315;border-radius:50%;display:grid;place-items:center;touch-action:none;pointer-events:auto}#stick i{width:42px;height:42px;border:1px solid #b9ffdb77;border-radius:50%;background:#b9ffdb25}#dash{border-radius:50%;width:75px;height:75px;touch-action:none;pointer-events:auto}@media(pointer:coarse){#touch:not([hidden]){display:flex}}@media(max-width:700px){header{top:23px}.brand span{font-size:17px}.brand{font-size:28px}.tag{display:none}.panel{left:7%;right:7%;top:47%}h1{font-size:42px}.buttons{flex-direction:column;max-width:270px}.buttons button{text-align:left}.buttons b,.buttons span{float:right}.controls{font-size:10px;max-width:310px}footer{font-size:8px;letter-spacing:1px}#footerRight{display:none}.hud-center{width:110px;font-size:10px}#hud{top:95px}#hud label{font-size:8px}#health i{width:14px}.dashbar{width:100px}#score{font-size:24px}#notice{top:31%;width:90%;font-size:14px}#result{padding:22px}#result h1{font-size:35px}}@media(prefers-reduced-motion:reduce){button{transition:none}}

/* Site navigation and browser-local personal best. */
.return-home{font-size:12px;color:var(--ink);text-decoration:none;border:1px solid #8dcbb532;border-radius:6px;padding:9px 13px;background:#11272ca8}.return-home:hover{background:#28413f}.best-score{margin:20px 0 0;color:#b8c9cc;font-size:12px;line-height:1.6}.best-score strong{font:21px Georgia,serif;color:var(--mint);margin-left:10px;letter-spacing:2px}.best-score small{display:block;font-size:10px;color:#91a8ad;margin-top:4px}.controls{margin-top:20px}#shell:fullscreen{width:100%;height:100%;background:#081319}
@media(max-width:700px){header{align-items:flex-start;gap:12px}.top-actions{max-width:205px;justify-content:flex-end;flex-wrap:wrap;gap:6px}.top-actions button,.return-home{font-size:11px;padding:8px 9px}.brand span{font-size:15px;letter-spacing:2px}.brand small{letter-spacing:4px}.brand{gap:6px;font-size:24px}.panel{top:51%}h1{font-size:37px;margin:18px 0}.buttons{margin-top:23px}.best-score{margin-top:16px}#hud{top:135px}}
@media(max-height:650px){#shell{min-height:650px}.panel{top:53%}header{top:18px}}

.control-select{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:12px;color:#b8c9cc}.control-select select{font:inherit;padding:8px 12px;color:#d9ffe8;border:1px solid #8dcbb550;border-radius:6px;background:#11272c}.control-select select:focus-visible{outline:2px solid #b9ffdb;outline-offset:3px}#intro .buttons{margin-top:20px}@media(max-width:700px){#intro h1{font-size:34px}#intro .controls{margin-top:12px}.control-select{margin-top:12px}#intro .best-score{margin-top:12px}}

.brand small{letter-spacing:2px;font-size:9px}.brand span{letter-spacing:3px}@media(max-width:700px){.brand span{font-size:14px;letter-spacing:1.5px}.brand small{font-size:8px;letter-spacing:1.5px}}