:root{color-scheme:dark;--bg:#10131b;--panel:#171c27;--line:#2b3343;--text:#f2f4fa;--muted:#929caf;--lime:#d9fb78;--purple:#b6a0f9;font-family:Inter,"SF Pro Display",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-width:280px}button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:focus-visible,canvas:focus-visible{outline:2px solid var(--lime);outline-offset:5px}button:disabled{cursor:default}button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}button{transition:background .15s,transform .15s,color .15s}button:active{transform:translateY(1px)}.game-shell{width:min(100% - 64px,980px);margin:0 auto;padding:34px 0 20px}.masthead{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.eyebrow{display:block;font-size:.75rem;font-weight:700;letter-spacing:.2em;color:var(--muted)}h1{font-size:2rem;letter-spacing:-.06em;margin:8px 0 0;font-weight:850;line-height:1.2}h1 span,h2 span{color:var(--lime)}.header-actions{display:flex;gap:10px}.icon-button{display:grid;place-items:center;background:transparent;color:#adb7ca;border:1px solid var(--line);border-radius:50%;width:42px;height:42px}.icon-button:hover{background:#252e3e;color:#fff}.sound-wave{display:none}[aria-pressed=true] .sound-wave{display:block}[aria-pressed=true] .sound-mute{display:none}.arena-section{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--panel)}.hud{height:88px;display:flex;align-items:center;gap:40px;padding:16px 28px;border-bottom:1px solid var(--line)}.hud-block{display:flex;flex-direction:column;gap:8px}.hud-label{font-size:.875rem;color:var(--muted);font-weight:450}.round-block{flex:1}.round-block .hud-label b{font-family:ui-monospace,SFMono-Regular,monospace;font-weight:500;color:var(--purple)}.hud strong{font-weight:650;font-size:1.1rem;letter-spacing:.025em}.cling-block strong{color:var(--lime);font-size:1.5rem;line-height:1}.unit{font-size:.875rem;margin-left:8px;color:var(--muted)}.time-block{min-width:89px}.time-block strong{font-family:ui-monospace,SFMono-Regular,monospace;font-size:1.5rem;line-height:1;font-variant-numeric:tabular-nums}.time-block strong span{color:var(--muted);font-size:1rem}.arena-wrap{position:relative;background:#131822;height:clamp(420px,65vh,620px);overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab}canvas.dragging{cursor:grabbing}.arena-note{position:absolute;top:22px;left:50%;transform:translateX(-50%);background:#1a2230e8;border:1px solid #333e50;border-radius:50px;padding:9px 17px;font-size:.875rem;white-space:nowrap;pointer-events:none;color:#c5cee0;transition:opacity .25s}.arena-note.faded{opacity:0}.arena-bottom{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:14px;border-top:1px solid var(--line);min-height:60px}.arena-bottom p{margin:0;font-size:.875rem;color:#c4cddd;line-height:1.5}.best-label{font-size:.8125rem;color:var(--muted);white-space:nowrap}.best-label b{color:#d5dce7;font-family:ui-monospace,SFMono-Regular,monospace;font-weight:500;margin-left:5px}.game-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:17px 1px}.game-footer p{margin:0;color:var(--muted);font-size:.875rem;line-height:1.6}.key-hint{color:#e5eaf3;background:#222936;border:1px solid var(--line);padding:3px 7px;border-radius:6px;font-size:.75rem;margin-right:5px}.dot{margin:0 7px;color:#4b5669}.footer-actions{display:flex;gap:8px;flex-shrink:0}.quiet-button{display:inline-flex;align-items:center;gap:6px;color:#bdc7d9;background:transparent;border:1px solid var(--line);border-radius:9px;padding:8px 12px;font-size:.875rem;min-height:38px}.quiet-button:hover{background:#222b39;color:white}.quiet-button svg{width:16px;height:16px}.smallprint{display:flex;justify-content:space-between;font-size:.75rem;color:#626e82;margin:4px 0 0;line-height:1.6}.smallprint span{color:#79849a}.screen-overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;background:#10151ee8;backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);padding:24px}.hidden{display:none!important}.pause-content,.win-content{width:min(100%,340px)}h2{font-size:2.4rem;letter-spacing:-.05em;line-height:1.2;margin:18px 0 12px}.pause-content h2{font-size:1.7rem;margin:20px 0 30px}.win-badge{display:inline-block;color:var(--lime);font-size:.875rem;padding:7px 13px;border:1px solid #d9fb783d;border-radius:30px;background:#d9fb780d}.win-content p{color:#a8b4c8;font-size:.9375rem;line-height:1.6;margin:12px 0}.result-stats{display:flex;justify-content:center;gap:52px;margin:28px 0 10px}.result-stats div{display:flex;flex-direction:column;gap:10px}.result-stats span{font-size:.8125rem;color:var(--muted)}.result-stats strong{font-size:1.9rem;font-family:ui-monospace,SFMono-Regular,monospace}.win-content .record-note{font-size:.8125rem;color:var(--lime);min-height:20px;margin:12px 0 24px}.primary-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 19px;border:0;border-radius:12px;background:var(--lime);color:#1a2410;font-weight:700;font-size:1rem;min-height:50px}.primary-button:hover{background:#e6ffa2}.primary-button span{font-size:1.3rem;font-weight:500}.text-button{color:#a8b4c8;background:transparent;border:0;margin-top:15px;padding:8px;font-size:.875rem}.text-button:hover{color:white}dialog{width:min(100% - 32px,440px);background:#1a202d;color:var(--text);border:1px solid #384357;padding:36px;border-radius:24px;max-height:90svh;overflow:auto}dialog::backdrop{background:#0a0e17bf;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:18px;top:18px;font-size:1.5rem;width:34px;height:34px}dialog h2{font-size:2rem;margin:20px 0 26px}dialog ol{list-style:none;counter-reset:step;padding:0;margin:0 0 26px}dialog li{counter-increment:step;position:relative;padding-left:35px;margin:22px 0;line-height:1.65}dialog li::before{content:"0" counter(step);position:absolute;left:0;top:0;font-size:.75rem;color:var(--lime);font-family:ui-monospace,monospace}dialog li b{display:block;font-size:1rem;font-weight:600}dialog li span{display:block;font-size:.875rem;color:#aab6cc;margin-top:3px}.noscript{text-align:center;color:#ffaaaa}
@media(max-width:640px){.game-shell{width:calc(100% - 24px);padding:21px 0 20px}.masthead{margin:0 6px 19px}h1{font-size:1.65rem;margin-top:7px}.eyebrow{font-size:.6875rem}.header-actions{gap:8px}.icon-button{width:40px;height:40px}.arena-section{border-radius:18px}.hud{height:77px;padding:15px 18px;gap:20px}.hud strong{font-size:.9375rem}.hud-label{font-size:.8125rem}.cling-block strong,.time-block strong{font-size:1.3rem}.time-block{min-width:74px}.arena-wrap{height:clamp(390px,calc(100svh - 265px),620px)}.arena-note{top:16px;padding:8px 13px;font-size:.8125rem}.arena-bottom{padding:12px 16px;min-height:59px;flex-wrap:wrap;gap:5px}.arena-bottom p{font-size:.8125rem}.best-label{font-size:.75rem}.game-footer{align-items:flex-start;padding:15px 3px;gap:10px}.game-footer p{max-width:190px;font-size:.8125rem}.key-hint{display:none}.dot{margin:0 4px}.footer-actions{gap:5px}.quiet-button{padding:8px 9px;font-size:.8125rem;min-height:40px}.smallprint{display:block;text-align:center}.smallprint span{display:none}.win-content h2{font-size:2rem}.result-stats{margin-top:22px}.result-stats strong{font-size:1.6rem}.screen-overlay{padding:22px}.dialog-close{width:34px;height:34px}dialog{padding:30px}.hud .unit{font-size:.8125rem;margin-left:5px}}
@media(prefers-reduced-motion:reduce){button,.arena-note{transition:none}.screen-overlay,dialog::backdrop{backdrop-filter:none;-webkit-backdrop-filter:none}}
.time-block #timer.urgent{color:#f397ad}.fail-content .win-badge{color:#f397ad;border-color:#f397ad4a;background:#f397ad0d}.fail-content h2 span{color:#f397ad}.fail-content .record-note{color:#b8c5d8}