*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#000;color:white;font:14px Arial,sans-serif}
#canvas{display:block;width:100%;height:100%;outline:none;touch-action:none;cursor:none}
[hidden]{display:none!important}
#status{position:absolute;inset:45% 5% auto;text-align:center;white-space:pre-wrap}
#text-input{position:absolute;left:0;bottom:0;width:1px;height:1px;opacity:0;pointer-events:none;padding:0;border:0}