*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#1a1a2e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}#game-container{width:100%;height:100%;display:flex;justify-content:center;align-items:center;position:relative}#game-canvas{display:block;max-width:800px;width:100%;height:100%;cursor:pointer}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}@media(min-width:800px){#game-container{padding:20px}}@media(max-width:480px){#game-canvas{width:100vw;height:100vh}}