:root { color-scheme: dark; background:#07080b; color:#aeb2bd; font-family:"Courier New",monospace }
* { box-sizing:border-box }
html,body { width:100%;height:100%;margin:0;overflow:hidden }
body { display:grid;place-items:center;background:#05060a }
main { display:grid;place-items:center;gap:8px;width:100% }
canvas {
  width:min(97vw,172vh);height:auto;aspect-ratio:16/9;
  image-rendering:pixelated;
  border:1px solid #23262e;
  box-shadow:0 0 60px #000;
}
p { margin:0;font-size:clamp(8px,1.3vw,12px);text-align:center;opacity:.6 }