:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}*{box-sizing:border-box;touch-action:manipulation;-webkit-tap-highlight-color:transparent}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#0f172a}body{display:block}#game-canvas{width:100vw;height:100dvh;display:block}