:root{color-scheme:dark;--ink:#f5f7fa;--muted:#a9b8cd;--cyan:#61dafb;--sa-t:env(safe-area-inset-top,0px);--sa-r:env(safe-area-inset-right,0px);--sa-b:env(safe-area-inset-bottom,0px);--sa-l:env(safe-area-inset-left,0px)}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;background:#0b1220;color:var(--ink);font-family:system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif}body{min-height:100vh;min-height:100dvh}button{font:inherit;color:inherit}#stage{position:fixed;inset:0;overflow:hidden;touch-action:none;background:#0b1220}canvas{display:block;width:100%;height:100%}.hidden{display:none!important}.hud{position:absolute;z-index:3;top:calc(var(--sa-t) + 18px);left:calc(var(--sa-l) + 18px);right:calc(var(--sa-r) + 18px);display:flex;align-items:flex-start;justify-content:space-between;pointer-events:none;text-shadow:0 2px 10px #000;background:rgba(11,18,32,.60);border-radius:18px;padding:8px 12px}.hud strong{font-size:clamp(30px,10vw,48px);line-height:1;font-variant-numeric:tabular-nums}.hud span{padding-top:5px;font-size:13px;font-weight:800;letter-spacing:.15em}.screen{position:absolute;z-index:4;inset:0;padding:calc(var(--sa-t) + 28px) calc(var(--sa-r) + 24px) calc(var(--sa-b) + 28px) calc(var(--sa-l) + 24px);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:radial-gradient(circle at 50% 28%,rgba(31,169,255,.17),transparent 35%),linear-gradient(180deg,rgba(11,18,32,.35),rgba(11,18,32,.92));pointer-events:none}.title-screen{justify-content:space-between;padding-top:calc(var(--sa-t) + 54px);padding-bottom:calc(var(--sa-b) + 28px)}.brand-mark{height:65px;width:104px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;filter:drop-shadow(0 0 12px #1fa9ff)}.brand-mark i{display:block;height:9px;border-radius:3px;background:linear-gradient(90deg,#1fa9ff,#8974ff)}.brand-mark i:nth-child(1){width:35px}.brand-mark i:nth-child(2){width:56px}.brand-mark i:nth-child(3){width:77px}.brand-mark i:nth-child(4){width:98px}.eyebrow{margin:0;color:#87ddff;font-size:11px;font-weight:800;letter-spacing:.28em}.title-screen .eyebrow{margin-top:-16px}.title-screen h1{margin:-12px 0 0;font-size:clamp(54px,17vw,78px);line-height:.81;letter-spacing:-.065em;text-shadow:0 0 28px rgba(31,169,255,.35)}.title-screen h1 span{color:#79dcff}.best-chip{margin:-10px 0 0;padding:9px 22px;border:1px solid rgba(121,220,255,.4);border-radius:999px;background:rgba(11,18,32,.62);font-size:13px;font-weight:900;letter-spacing:.18em}.prompt{margin:0;animation:pulse 1.7s ease-in-out infinite}.prompt b{display:block;font-size:17px;letter-spacing:.06em}.prompt small{display:block;margin-top:8px;color:#b7c5d8;font-size:12px}#sound{position:relative;z-index:6;pointer-events:auto;min-width:160px;min-height:48px;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:rgba(11,18,32,.78);box-shadow:0 8px 24px rgba(0,0,0,.2);font-size:13px;font-weight:750;touch-action:manipulation}.panel{width:min(88vw,360px);padding:34px 24px;border:1px solid rgba(121,220,255,.2);border-radius:28px;background:rgba(11,18,32,.88);box-shadow:0 18px 60px rgba(0,0,0,.35),inset 0 1px rgba(255,255,255,.06);backdrop-filter:blur(14px)}.panel h2{margin:9px 0 15px;font-size:38px;letter-spacing:-.03em}.panel>p:last-child{color:#dce8f5;font-weight:700}.countdown{margin:0;font-size:72px;font-weight:900;color:#ffe066;text-shadow:0 0 26px rgba(255,224,102,.5)}.result-panel h2{margin-bottom:8px}.new-best{margin:0 auto 10px!important;color:#ffe066;font-weight:900;letter-spacing:.16em}.result-score{margin:14px 0}.result-score span{display:block;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.2em}.result-score strong{display:block;font-size:72px;line-height:1;font-variant-numeric:tabular-nums}.stats{display:flex;justify-content:center;gap:24px;margin:22px 0 30px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.08em}.stats b{display:block;margin-top:4px;color:var(--ink);font-size:18px}.hint,.perfect{position:absolute;z-index:5;left:50%;transform:translateX(-50%);pointer-events:none;border-radius:999px;background:rgba(11,18,32,.7);box-shadow:0 6px 22px rgba(0,0,0,.25);white-space:nowrap}.hint{bottom:calc(var(--sa-b) + 13%);padding:9px 16px;color:#dce8f5;font-size:13px;font-weight:700}.perfect{top:42%;padding:7px 16px;text-align:center;animation:pop .6s ease-out both}.perfect b{display:block;color:#ffe066;font-size:21px;letter-spacing:.04em}.perfect span{display:block;color:#fff;font-size:11px;font-weight:850;letter-spacing:.14em}@keyframes pulse{50%{opacity:.55;transform:translateY(2px)}}@keyframes pop{0%{opacity:0;transform:translate(-50%,10px) scale(.82)}25%{opacity:1;transform:translate(-50%,0) scale(1.04)}100%{opacity:0;transform:translate(-50%,-14px) scale(1)}}
@media (max-height:600px) and (orientation:landscape){.title-screen{padding-top:20px;padding-bottom:14px}.brand-mark{height:42px;transform:scale(.7)}.title-screen h1{font-size:42px}.title-screen .eyebrow{display:none}.prompt small{display:none}.screen{padding:16px}.panel{padding:18px}.result-score strong{font-size:50px}.stats{margin:10px 0 16px}}
@media (prefers-reduced-motion:reduce){.prompt,.perfect{animation:none}.perfect{opacity:1}}