*{box-sizing:border-box;margin:0;padding:0}body{background:#1a1a2e;font-family:Arial,sans-serif;overflow:hidden}#game-container{width:100vw;height:100vh;position:relative}#ui{color:#fff;z-index:100;background:#000c;border-radius:10px;min-width:250px;padding:20px;position:absolute;top:20px;left:20px}#ui h2{color:#4ecca3;margin-bottom:15px}.stat-item{margin-bottom:10px;font-size:14px}.stat-value{color:#4ecca3;font-size:18px;font-weight:700}#controls-hint{color:#fff;z-index:100;background:#000c;border-radius:10px;padding:15px 20px;font-size:14px;position:absolute;bottom:20px;left:20px}#controls-hint h3{color:#4ecca3;margin-bottom:10px}#controls-hint p{margin-bottom:5px}#controls-hint kbd{background:#333;border-radius:4px;margin-right:5px;padding:2px 8px;font-family:monospace}#game-over{color:#fff;text-align:center;z-index:200;background:#000000e6;border-radius:15px;padding:40px;display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#game-over h1{color:#e94560;margin-bottom:20px}#game-over p{margin-bottom:10px;font-size:18px}#restart-btn{color:#1a1a2e;cursor:pointer;background:#4ecca3;border:none;border-radius:5px;margin-top:20px;padding:12px 30px;font-size:16px;font-weight:700;transition:background .3s}#restart-btn:hover{background:#3db892}#stamina-bar{color:#fff;z-index:100;text-align:center;background:#000c;border-radius:10px;padding:15px 20px;position:absolute;bottom:20px;right:20px}#stamina-bar h3{color:#ffd93d;margin-bottom:10px}#stamina-container{background:#16213e;border-radius:10px;width:200px;height:20px;overflow:hidden}#stamina-fill{background:linear-gradient(90deg,#ffd93d,#ff6b6b);height:100%;transition:width .1s}