html, body { margin: 0; padding: 0; background: #07070d; height: 100%; overflow: hidden; font-family: system-ui, sans-serif; }
#wrap { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at center, #14121f 0%, #07070d 70%); }
#game { image-rendering: auto; box-shadow: 0 0 60px rgba(0,0,0,0.8); outline: none; }