1/* Theming */
2[data-theme=dark] { color-scheme: dark; }
3[data-theme=light] { color-scheme: light; }
4/* System Colors */
5body {
6  background: canvas;
7  color: canvasText;
8}
9h1 {
10  color: light-dark(hsl(10 90% 50%), hsl(25 84% 45%));
11}