:root { color-scheme: light dark; }
body { margin: 0; background: #fff; color: #111; font: 18px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 36rem; margin: 0 auto; padding: 3rem 1rem; }
h1 { margin: 0 0 .5rem; font-size: 1.75rem; line-height: 1.2; }
h2 { margin: 0 0 .5rem; font-size: 1.25rem; line-height: 1.3; }
.en { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #ddd; }
.odkaz { margin-top: 2.5rem; }
a { color: #0b57d0; }
@media (prefers-color-scheme: dark) {
  body { background: #111; color: #eee; }
  .en { border-color: #333; }
  a { color: #8ab4f8; }
}