*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}.app{position:fixed;inset:0;touch-action:none;cursor:pointer}.app canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.hud{position:absolute;inset:0;pointer-events:none;color:#2a2f45}.score-wrap{position:absolute;top:max(28px,env(safe-area-inset-top));left:0;right:0;text-align:center}.score{font-size:72px;font-weight:200;line-height:1;color:#2a2f45e6}.best{margin-top:4px;font-size:13px;font-weight:600;letter-spacing:2px;color:#2a2f4580}.perfect-pop{position:absolute;top:32%;left:0;right:0;text-align:center;font-size:26px;font-weight:800;letter-spacing:3px;color:#fff;text-shadow:0 2px 12px rgba(42,47,69,.35);animation:pop-up .9s ease-out forwards}@keyframes pop-up{0%{opacity:0;transform:translateY(10px) scale(.8)}15%{opacity:1;transform:translateY(0) scale(1.05)}to{opacity:0;transform:translateY(-46px) scale(1)}}.panel{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:min(86vw,360px);padding:32px 28px;border-radius:24px;background:#ffffff8c;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 12px 40px #2a2f452e;text-align:center}.panel h1{font-size:40px;font-weight:900;letter-spacing:6px;margin-bottom:14px}.panel h2{font-size:26px;font-weight:800;margin-bottom:10px}.panel p{font-size:14px;line-height:1.55;opacity:.75;margin-bottom:18px}.final-score{font-size:76px;font-weight:200;line-height:1.1}.best-line{font-size:14px;font-weight:600;opacity:.6;margin:8px 0 18px}.pulse{font-size:15px;font-weight:700;letter-spacing:3px;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.btn{pointer-events:auto;font:inherit;font-size:17px;font-weight:700;color:#fff;background:#2a2f45;border:none;border-radius:999px;padding:14px 44px;cursor:pointer;transition:transform .1s ease}.btn:active{transform:scale(.95)}.mute{pointer-events:auto;position:absolute;top:max(20px,env(safe-area-inset-top));right:20px;width:44px;height:44px;font-size:20px;border:none;border-radius:50%;background:#ffffff80;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);cursor:pointer}