:root{--bg: #0a0718;--pink: #ff2fa8;--cyan: #35e0ff;--gold: #ffd23f;--text: #f4f1ff}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:Orbitron,system-ui,sans-serif;user-select:none;-webkit-user-select:none;touch-action:none;-webkit-tap-highlight-color:transparent}canvas{display:block}[hidden]{display:none!important}button{font:inherit;cursor:pointer}#hud{position:absolute;inset:0 0 auto 0;display:flex;justify-content:space-between;align-items:flex-start;padding:calc(12px + env(safe-area-inset-top)) 16px 0;pointer-events:none;text-shadow:0 0 10px rgba(0,0,0,.8)}#score{font-size:clamp(26px,7vw,40px);font-weight:900;font-variant-numeric:tabular-nums}#combo{display:inline-block;padding:2px 8px;border-radius:6px;background:#ffffff1f;font-weight:900;font-size:16px}#combo.warm{background:var(--cyan);color:#04121a}#combo.hot{background:var(--gold);color:#1a1200;box-shadow:0 0 16px var(--gold)}#streak{font-size:12px;opacity:.8}#seq-progress{display:flex;flex-direction:column;align-items:center}#reps{margin-top:2px;font-size:11px;letter-spacing:2px;opacity:.75}#reshuffle{margin-top:10px;font-size:18px;letter-spacing:4px;color:var(--gold);text-shadow:0 0 8px var(--gold)}#right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}#lives{font-size:26px;color:#ff4d6d;letter-spacing:2px;text-shadow:0 0 10px #ff4d6d}.buttons{display:flex;gap:8px;pointer-events:auto}.buttons button{width:40px;height:40px;border-radius:10px;border:2px solid rgba(255,255,255,.25);background:#14143299;color:#fff;font-size:18px}#banner{position:absolute;top:28%;left:0;right:0;text-align:center;pointer-events:none;font-size:clamp(30px,9vw,56px);font-weight:900;opacity:0;text-shadow:0 0 20px currentColor}#banner.show{animation:banner 1.1s ease-out}@keyframes banner{0%{opacity:0;transform:scale(2)}15%{opacity:1;transform:scale(1)}75%{opacity:1}to{opacity:0;transform:translateY(-20px)}}#popups{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.popup{position:absolute;transform:translate(-50%,-50%);font-weight:900;font-size:clamp(20px,5vw,30px);text-shadow:0 0 12px currentColor;animation:pop .8s ease-out forwards}@keyframes pop{0%{opacity:0;margin-top:0;scale:.6}20%{opacity:1;scale:1.2}to{opacity:0;margin-top:-70px;scale:1}}#flash{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:0}#flash.good{background:radial-gradient(transparent 55%,#35e0ff59);animation:flash .35s ease-out}#flash.bad{background:radial-gradient(transparent 35%,#ff285099);animation:flash .5s ease-out}@keyframes flash{0%{opacity:1}to{opacity:0}}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px 16px;text-align:center;background:linear-gradient(#0a07188c,#0a0718d9)}h1{margin:0;font-size:clamp(48px,15vw,96px);line-height:.95;font-weight:900;color:#fff;text-shadow:0 0 12px var(--pink),0 0 32px var(--pink),4px 4px 0 var(--cyan)}h2{margin:0 0 8px;font-size:clamp(32px,10vw,56px);font-weight:900;text-shadow:0 0 16px var(--pink)}.tag{margin:4px 0 8px;color:var(--cyan);font-size:14px;letter-spacing:1px}.how{list-style:none;padding:0;margin:0 0 12px;font-family:system-ui,sans-serif;font-size:15px;line-height:1.9;opacity:.9}kbd{display:inline-block;padding:0 6px;margin:0 2px;border:1px solid currentColor;border-radius:4px;font-size:12px}button.big{padding:14px 48px;border:3px solid #fff;border-radius:14px;background:var(--pink);color:#fff;font-size:24px;font-weight:900;letter-spacing:3px;box-shadow:0 0 24px var(--pink)}button.big:active{transform:scale(.96)}.best{margin-top:8px;color:var(--gold);letter-spacing:2px}#new-best{color:var(--gold);font-size:22px;font-weight:900;text-shadow:0 0 16px var(--gold);animation:pulse .8s ease-in-out infinite alternate}@keyframes pulse{to{transform:scale(1.12)}}.final{display:flex;flex-direction:column;align-items:center;margin-bottom:6px}.final span{font-size:12px;letter-spacing:3px;opacity:.7}.final b{font-size:44px;font-weight:900;color:var(--cyan);text-shadow:0 0 14px var(--cyan)}.final.small b{font-size:22px;color:#fff;text-shadow:none}#key{background:#0a0718e0}#key-lanes{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(4px,1.5vw,12px);max-width:96vw}.seq-item{display:flex;flex-direction:column;align-items:center;gap:4px;animation:lane-in .4s ease-out backwards}.seq-item canvas{width:clamp(52px,15vw,110px);height:auto}.seq-item span{font-size:14px;font-weight:900;color:var(--gold)}.seq-arrow{font-size:clamp(22px,6vw,40px);font-weight:900;color:var(--cyan);margin-bottom:22px}@keyframes lane-in{0%{opacity:0;transform:translateY(30px) scale(.8)}}#key-track{width:min(420px,80vw);height:8px;margin-top:18px;border-radius:4px;background:#ffffff26;overflow:hidden}#key-bar{height:100%;width:100%;background:linear-gradient(90deg,var(--pink),var(--cyan),var(--gold))}@keyframes drain{to{width:0}}#fuel{position:absolute;left:50%;bottom:calc(18px + env(safe-area-inset-bottom));transform:translate(-50%);display:flex;align-items:center;gap:10px;pointer-events:none;font-size:13px;font-weight:900;letter-spacing:3px;color:#7bed6b;text-shadow:0 0 8px currentColor}#fuel-track{width:min(280px,60vw);height:14px;border:2px solid currentColor;border-radius:8px;overflow:hidden;background:#00000073}#fuel-fill{height:100%;width:100%;background:linear-gradient(90deg,#2ee6d6,#7bed6b);box-shadow:0 0 12px #7bed6b;transition:width .1s linear}#fuel.low{color:#ff4d6d}#fuel.low #fuel-fill{background:linear-gradient(90deg,#ff2f5a,#ff9f1c);box-shadow:0 0 12px #ff4d6d;animation:blink .4s steps(2) infinite}@keyframes blink{50%{opacity:.35}}