:root{font-family:system-ui,sans-serif;color:#f0f0f0;background:#161a20}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}canvas{display:block}.debug-overlay{position:absolute;top:16px;left:16px;padding:10px 12px;color:#fff;background:#141b22d1;font-size:13px;line-height:1.5;pointer-events:none;-webkit-user-select:none;user-select:none;border-radius:4px;font-variant-numeric:tabular-nums}