:root{color-scheme:dark;--bg:#0e172a;--card:#152139;--ink:#f3f6ff;--muted:#a7b6cc;--line:#2e3e59;--accent:#a9e7da;--stage:#0d192c}
:root[data-theme=light]{color-scheme:light;--bg:#f2f5f9;--card:#fff;--ink:#172b43;--muted:#52677d;--line:#d4dfea;--accent:#b7eadd;--stage:#e9f0f7}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}button{font:inherit;cursor:pointer;border:0;min-height:46px;border-radius:12px;font-weight:650}button:disabled{opacity:.45;cursor:default}button:focus-visible,canvas:focus-visible{outline:3px solid #f5c986;outline-offset:4px}main{width:min(880px,100%);margin:auto;padding:44px 24px 28px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:var(--muted)}header>.eyebrow{display:flex;align-items:center;gap:9px}.signal{font-size:29px;color:var(--accent);line-height:1}h1{font-size:clamp(25px,3.2vw,37px);line-height:1.23;letter-spacing:-1px;margin:17px 0 12px;font-weight:650}.intro{color:var(--muted);margin:0 0 19px}.connection-actions{display:flex;align-items:center;gap:16px;margin-bottom:30px;flex-wrap:wrap}.retry{background:var(--card);color:var(--ink);border:1px solid var(--line);padding:10px 17px}.retry span{margin-left:14px;font-size:20px}#network{font-size:13px;color:var(--muted);max-width:340px}.game-card{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--card)}.game-heading{padding:20px 24px 17px;display:flex;align-items:center;justify-content:space-between;gap:10px}h2{font-size:29px;letter-spacing:-1px;margin:1px 0 0}h2 span{font-size:22px;color:#f5c986;margin-left:10px}.badge{border:1px solid var(--line);border-radius:100px;padding:6px 11px;color:var(--muted);font-size:11px;white-space:nowrap}.stage{position:relative;background:var(--stage);height:290px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:manipulation;outline-offset:-5px!important}.hud{position:absolute;inset:14px 20px auto;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;font-variant-numeric:tabular-nums;z-index:1}.scoreboard{display:grid;grid-template-columns:auto auto;column-gap:12px;align-items:baseline}.hud-label{grid-column:1/-1;font-size:9px;letter-spacing:1.5px;color:var(--muted);font-weight:700}#score{font-size:29px;font-weight:750;letter-spacing:1px;line-height:1.15;color:var(--ink);transition:color .15s,transform .15s}#score.scored{color:#d7a344;transform:scale(1.08)}.best{font-size:10px;color:var(--muted)}.run-stats{display:grid;gap:3px;text-align:right;font-size:10px;color:var(--muted)}#pace{font-weight:750;letter-spacing:1px}#time{font-size:12px}.overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;background:linear-gradient(90deg,transparent, color-mix(in srgb,var(--stage) 75%,transparent),transparent)}.overlay>div{max-width:100%;padding:20px 18px 0}.overlay p{font-size:20px;line-height:1.4;font-weight:550;margin:0 0 18px}.play{padding:10px 24px;background:var(--accent);color:#102d2a;min-width:142px}.play span{margin-left:20px}.controls{padding:9px 20px;display:flex;justify-content:space-between;align-items:center;gap:8px}.controls p{color:var(--muted);font-size:12px}kbd{font:inherit;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:3px 6px;color:var(--ink)}.quiet{background:transparent;color:var(--ink);padding:8px 13px;font-size:12px}footer{text-align:center;color:var(--muted);font-size:12px;padding:20px 0 0}footer span{margin-right:6px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:520px){main{padding:26px 16px 22px}.desktop-break{display:none}h1{font-size:26px;letter-spacing:-.65px}.intro{font-size:14px}.connection-actions{margin-bottom:22px;gap:10px}.game-heading{padding:16px}.game-heading .eyebrow{font-size:8px;letter-spacing:1.1px}h2{font-size:26px}.badge{font-size:10px;padding:5px 8px}.stage{height:245px}.controls{padding:7px 12px}.controls p{font-size:11px;max-width:220px}footer{font-size:11px}.overlay p{font-size:18px}}
@media(max-height:650px) and (min-width:700px){main{padding-top:22px}h1{font-size:28px;margin-top:10px}.connection-actions{margin-bottom:20px}.stage{height:215px}.game-heading{padding:12px 20px}footer{padding-top:12px}}

.overlay .result{font-size:12px;color:var(--muted);font-weight:400;margin:-6px 0 16px}.score-guide{margin:0;padding:0 20px 14px;color:var(--muted);font-size:11px}.score-guide b{color:var(--ink);font-weight:650}@media(max-width:520px){.hud{inset:12px 14px auto}.scoreboard{column-gap:8px}#score{font-size:25px}.best{font-size:9px}.score-guide{font-size:10px;padding:0 12px 13px}.controls p{max-width:230px}.overlay .result{font-size:11px}.overlay>div{padding-top:30px}}@media(prefers-reduced-motion:reduce){#score{transition:none}#score.scored{transform:none}}

.arcade-back{display:inline-flex;align-items:center;min-height:44px;margin:0 0 18px;color:var(--muted);text-decoration:none;font-size:13px}.arcade-back:hover{color:var(--ink)}.arcade-back:focus-visible{outline:3px solid #f5c986;outline-offset:4px}header>.eyebrow{display:block}header .intro{margin-bottom:28px}