*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:Arial,sans-serif}#root{width:100%;height:100%}canvas{display:block}.game-ui{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1000}.game-ui button{pointer-events:auto;cursor:pointer;border:none;border-radius:8px;font-family:Arial,sans-serif;font-weight:700;transition:all .2s ease}.game-ui button:hover{transform:scale(1.05)}.game-ui button:active{transform:scale(.95)}.hud-element{background-color:#000000b3;color:#fff;padding:10px 15px;border-radius:8px;font-weight:700;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.health-bar{background-color:#fff3;border-radius:10px;overflow:hidden;height:20px}.health-fill{height:100%;transition:width .3s ease,background-color .3s ease}.game-over{background-color:#000c;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#fff;font-family:Arial,sans-serif}.pause-overlay{background-color:#00000080;display:flex;justify-content:center;align-items:center}.controls-info{background-color:#000000b3;color:#fff;padding:10px 20px;border-radius:8px;text-align:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}