:root { color-scheme: dark; }
* { box-sizing: border-box; }
html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: #080c15;
  color: #eff3ff;
  font-family: 'Inter', 'Segoe UI', 'Noto Sans', system-ui, sans-serif;
}
body { display: flex; align-items: center; justify-content: center; }
canvas {
  background: radial-gradient(circle at top, #1b2338, #080c15 70%);
  border: 1px solid #2f3f66;
  image-rendering: auto;
  text-rendering: optimizeLegibility;
}