:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.game-shell{min-height:100vh;display:grid;place-items:center;padding:1rem;user-select:none;-webkit-user-select:none}.game-canvas{display:block;border:1px solid rgba(0,255,255,.15);border-radius:4px;box-shadow:0 0 40px #00ffff14,0 0 80px #ff00ff0a;max-width:100vw;max-height:100vh;cursor:crosshair;image-rendering:pixelated}