html,body{margin:0;padding:0;overflow:hidden;background:#0a0e27;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#fff;user-select:none;-webkit-user-select:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent}#game{display:block}#ui{position:fixed;top:0;left:0;right:0;padding:calc(env(safe-area-inset-top,0px) + 16px) calc(env(safe-area-inset-right,0px) + 16px) 16px calc(env(safe-area-inset-left,0px) + 16px);pointer-events:none;display:flex;justify-content:space-between;align-items:flex-start;z-index:10;gap:12px}.panel{background:#0006;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:12px 20px;border-radius:16px;border:1px solid rgba(255,255,255,.1)}#stack-count{font-size:32px;font-weight:800;line-height:1}#stack-label{font-size:11px;opacity:.7;text-transform:uppercase;letter-spacing:2px;margin-top:4px}#score{font-size:24px;font-weight:700}#score-label{font-size:11px;opacity:.7;text-transform:uppercase;letter-spacing:2px;margin-top:4px}#message{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:48px;font-weight:900;text-align:center;text-shadow:0 4px 20px rgba(0,0,0,.5);pointer-events:none;opacity:0;transition:opacity .3s;z-index:20;white-space:nowrap;max-width:calc(100vw - 32px)}@media (max-width: 500px){#message{font-size:36px}}#message.show{opacity:1}#overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0e27d9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;flex-direction:column;justify-content:flex-start;align-items:center;z-index:30;padding:24px;text-align:center;overflow-y:auto;-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior:contain}body:has(#overlay:not(.hidden)){overflow:hidden}#overlay.hidden{display:none}.hidden{display:none!important}#overlay h1{font-size:48px;margin:0 0 8px;font-weight:900;letter-spacing:-1px}#overlay h2{font-size:20px;margin:0 0 32px;opacity:.7;font-weight:400}#overlay p{max-width:400px;line-height:1.6;opacity:.85;margin:0 0 24px}button{background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;border:none;padding:16px 36px;font-size:18px;font-weight:700;border-radius:999px;cursor:pointer;box-shadow:0 8px 24px #ee5a6f66;transition:transform .1s;touch-action:manipulation;max-width:calc(100vw - 48px);white-space:nowrap}button+button{margin-top:16px}#doubleAdBtn{background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 8px 24px #f59e0b66;font-size:16px;padding:14px 28px}button:active{transform:scale(.96)}#mute-btn{pointer-events:auto;background:#0006;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:999px;width:44px;height:44px;padding:0;font-size:20px;line-height:1;box-shadow:none;align-self:center;display:flex;align-items:center;justify-content:center}.stats{display:flex;gap:24px;margin:16px 0 32px}.stat{text-align:center}.stat-num{font-size:36px;font-weight:800}.stat-label{font-size:11px;opacity:.6;text-transform:uppercase;letter-spacing:2px}#hint{position:fixed;bottom:calc(env(safe-area-inset-bottom,0px) + 24px);left:50%;transform:translate(-50%);font-size:14px;opacity:.5;pointer-events:none;white-space:nowrap;text-shadow:0 1px 4px rgba(0,0,0,.5)}