body,html{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#000;color:#fff;font-family:Courier New,Courier,monospace;touch-action:none}#game-container{position:relative;width:100vw;height:100vh;display:flex;justify-content:center;align-items:center}canvas{display:block;background:linear-gradient(to bottom,#000,#1a0033);box-shadow:0 0 20px #f0f3;cursor:crosshair;touch-action:none}#ui{position:absolute;top:20px;left:20px;pointer-events:none;font-size:24px;text-shadow:2px 2px #000}#score,#lives{margin-bottom:10px}