*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#111;font-family:Arial}body{touch-action:none}#game{width:100%;height:100%;position:relative}canvas{position:absolute;width:100%;height:100%}#hud{position:absolute;top:12px;left:10px;right:10px;text-align:center;color:#fff;background:#0009;border-radius:14px;padding:10px;z-index:3}.panel{position:absolute;inset:0;z-index:5;background:#000b;color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}.panel h1{font-size:38px}.panel h2{font-size:30px}button{border:0;border-radius:15px;padding:13px 25px;margin:6px;font-size:18px;font-weight:bold}button:active{transform:scale(.96)}.hidden{display:none!important}#controls{position:absolute;bottom:20px;left:0;right:0;display:flex;justify-content:space-between;padding:0 20px;z-index:4;pointer-events:none}#controls button{width:82px;height:62px;padding:0;font-size:30px;pointer-events:auto}#cars{width:90%;max-width:500px;max-height:60vh;overflow:auto;display:grid;grid-template-columns:1fr 1fr;gap:10px}.card{background:#ffffff18;border-radius:15px;padding:10px}
#game{padding-top:0}
#ad-slot{position:absolute;top:72px;left:50%;transform:translateX(-50%);width:min(92%,420px);min-height:54px;background:#ffffffee;color:#333;border:1px solid #ddd;border-radius:12px;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;box-shadow:0 2px 10px #0002}
#ad-slot span{font-weight:bold;font-size:14px}
#ad-slot small{font-size:11px;color:#666;margin-top:3px}
#ad-slot.hidden{display:none}