:root{--bg-color: #000;--pixel-font: "Courier New", monospace}body,html{margin:0;padding:0;width:100%;height:100%;background:var(--bg-color);overflow:hidden;display:flex;justify-content:center;align-items:center;font-family:var(--pixel-font)}#game-container{position:relative;width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;overflow:hidden;background:#000}canvas{width:100%;height:100%;image-rendering:pixelated;display:block}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#000c;color:#fff;z-index:10}button{padding:1rem 2rem;font-size:1.5rem;background:transparent;color:#fff;border:2px solid #fff;cursor:pointer;font-family:var(--pixel-font);text-transform:uppercase}button:hover{background:#fff;color:#000}