:root { color-scheme: light dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, -apple-system, sans-serif;
  background: Canvas;
  color: CanvasText;
}
main { text-align: center; padding: 2rem; }
h1 { font-weight: 600; letter-spacing: -0.02em; }
a { color: inherit; }