:root{color-scheme:light;--paper:#f5f3ed;--navy:#172a43;--muted:#66727b;--line:#d5d9d9;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button[hidden],[hidden]{display:none!important}a:focus-visible,button:focus-visible,canvas:focus-visible{outline:3px solid #4e8fa4;outline-offset:5px}
.game-nav{width:min(1160px,calc(100% - 64px));margin:0 auto;padding:26px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.back-home{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:550}.back-home>span{font-size:20px}.back-home:hover{color:#335c9b}.game-brand{display:flex;align-items:center;gap:11px;font-size:14px;font-weight:600}.game-brand img{display:block;width:35px;height:35px}
.game-main{width:min(1100px,calc(100% - 64px));margin:44px auto 35px}.game-eyebrow{font:400 10px/1.5 var(--mono);letter-spacing:1.8px;color:#335c9b;margin:0 0 13px}.game-intro h1{font-size:clamp(36px,4.3vw,52px);font-weight:600;letter-spacing:-2px;line-height:1.1;margin:0 0 13px}.game-intro>p:last-child{font-size:15px;line-height:1.8;color:#596b78;margin:0 0 28px}
.game-shell{border:1px solid #b8c7d2;background:#f9f8f3}.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 23px;border-bottom:1px solid #405a75;background:#233e5d;color:#eaf3fc}.game-tag{font:400 9px/1.5 var(--mono);letter-spacing:1px;color:#c0d5e9}.game-scores{display:flex;gap:27px;align-items:center}.game-score{display:flex;align-items:center;gap:10px;font:400 10px/1.5 var(--mono);letter-spacing:1px}.game-score output{font-size:19px;letter-spacing:1px;font-variant-numeric:tabular-nums;color:#fff}.game-best{color:#c0d9ce}.game-best output{color:#c4eadf}
.game-stage{position:relative;overflow:hidden;background:var(--navy)}#runner-canvas{display:block;width:100%;height:auto;aspect-ratio:3/1;touch-action:pan-y;cursor:pointer}#runner-canvas:focus-visible{outline-offset:-4px;outline-color:#edc58f}
.game-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:24px;background:radial-gradient(ellipse at center,#172a43ed 10%,#172a43b8 57%,#172a4300 100%);color:#f6f7f0;pointer-events:none}.game-overlay h2{font-size:clamp(24px,3vw,36px);font-weight:550;line-height:1.2;letter-spacing:-.9px;margin:0 0 12px}.game-overlay p{font-size:14px;color:#c8dced;margin:0 0 22px}.game-overlay>span{font:400 9px/1.6 var(--mono);letter-spacing:1.4px;color:#bce4d7;border:1px solid #779eaa;padding:8px 13px}
.game-controls{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap;padding:20px 23px}.game-buttons{display:flex;align-items:center;gap:12px}.game-play{border:1px solid var(--navy);background:var(--navy);color:#f5f3ed;font-size:13px;font-weight:550;min-width:122px;padding:12px 20px}.game-play:hover{background:#2c4a6a}.game-pause{border:1px solid #b9c6ce;background:transparent;color:#233e5d;font-size:12px;padding:12px 18px}.game-pause:hover{background:#e7edf0}.game-pause:disabled,.game-play:disabled{opacity:.45;cursor:default}.game-help{font-size:12px;color:#536575;margin:0}.game-help kbd{display:inline-block;min-width:22px;text-align:center;border:1px solid #c3cdd3;background:#fffdf8;padding:2px 5px;border-radius:3px;font:400 10px var(--mono);color:#334c65}.game-memory-note{font-size:12px;color:#647481;margin:15px 0 0}.game-noscript{font-size:13px;padding:15px 23px;margin:0;border-top:1px solid var(--line);color:#4e6473}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){.game-nav,.game-main{width:calc(100% - 36px)}.game-nav{padding-block:18px}.game-main{margin-top:31px}.game-toolbar{padding:14px 16px;gap:12px}.game-tag{font-size:8px;max-width:100px}.game-scores{gap:17px}.game-score{flex-direction:column;align-items:flex-end;gap:3px;font-size:8px}.game-score output{font-size:17px}.game-intro h1{font-size:39px}.game-intro>p:last-child{font-size:14px}.game-controls{padding:16px;gap:18px}.game-help{width:100%;font-size:11px}.game-overlay{padding:18px}.game-overlay h2{font-size:25px}.game-overlay p{font-size:12px;margin-bottom:15px}.game-overlay>span{font-size:8px;letter-spacing:.7px;padding:6px 9px}.game-brand{font-size:12px;gap:7px}.game-brand img{width:29px;height:29px}.back-home{font-size:12px;gap:8px}.game-eyebrow{font-size:9px}.game-memory-note{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}