*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,sans-serif;background:#0a0a1e;color:#fff;min-height:100vh;display:flex;flex-direction:column;align-items:center;overflow-x:hidden;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.game-header{width:100%;max-width:520px;display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#0006;border-bottom:2px solid rgba(255,255,255,.08);flex-shrink:0;z-index:10}.game-header a{color:#ffffffb3;text-decoration:none;font-size:13px;font-weight:700}.game-title{font-size:15px;font-weight:800;background:linear-gradient(135deg,#ff6b6b,#ffd93d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-right{display:flex;gap:6px;align-items:center}.badge{background:#ffffff1f;border-radius:12px;padding:2px 10px;font-size:12px;font-weight:700;color:#fff}.badge.height{color:#ffd93d}.badge.best{color:#80deea}.canvas-wrapper{width:100%;max-width:520px;flex:1;position:relative;overflow:hidden;background:#1a1a2e}#gameCanvas{display:block;width:100%;height:100%;touch-action:none}.game-footer{width:100%;max-width:520px;padding:6px 12px;text-align:center;font-size:11px;color:#fff6;background:#0006;flex-shrink:0}.game-footer a{color:#fff9;text-decoration:none}.overlay{position:absolute;inset:0;background:#0a0a1ef0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:20;padding:24px;text-align:center}.overlay h1{font-size:34px;font-weight:900;margin-bottom:8px;background:linear-gradient(135deg,#ff6b6b,#ffd93d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.overlay h2{font-size:24px;font-weight:900;margin-bottom:6px;color:#ffd93d}.overlay p{font-size:14px;color:#ffffffd9;margin-bottom:8px;max-width:340px;line-height:1.5}.play-btn{margin-top:24px;padding:14px 38px;background:linear-gradient(135deg,#ff6b6b,#ffd93d);color:#1a1a2e;border:none;border-radius:32px;font-family:system-ui,sans-serif;font-size:18px;font-weight:900;cursor:pointer;box-shadow:0 6px 16px #ff6b6b66;transition:transform .15s}.play-btn:hover{transform:scale(1.05)}.play-btn:active{transform:scale(.97)}.control-hint{margin-top:16px;font-size:12px;color:#fff9}.stat-row{display:flex;gap:24px;margin-top:8px;font-size:14px;color:#ffffffd9}.stat-row b{color:#ffd93d}.perfect-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:15}.perfect-text{position:absolute;top:30%;left:50%;transform:translate(-50%,-50%);font-size:48px;font-weight:900;color:#ffd93d;text-shadow:0 4px 12px rgba(0,0,0,.6);pointer-events:none;z-index:16;opacity:0}#overScreen{display:none}