:root { color-scheme: light dark; }
body { margin: 0; font: 16px/1.6 system-ui, sans-serif; display: grid; place-items: center; min-height: 100vh; }
main { max-width: 34rem; padding: 1.5rem; }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; }
a { color: inherit; }
@media (prefers-color-scheme: dark) { body { background: #12121a; color: #e6e6ee; } }