html,body{color:#e6e1d6;background:#1e2127;height:100%;margin:0;font:14px/1.4 system-ui,sans-serif;overflow:hidden}canvas{touch-action:none;display:block}.overlay{pointer-events:none;white-space:pre;background:#00000073;border-radius:4px;padding:4px 8px;position:fixed;bottom:10px;left:12px}.overlay:empty{display:none}