:root { color-scheme: light dark; }
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: #fff; color: #000; font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; }
@media (prefers-color-scheme: dark) { html, body { background: #000; color: #fff; } a { color: #fff; } }
.container { max-width: 720px; margin: 2rem auto; padding: 0 1rem; }
header.site-header { border-bottom: 1px solid currentColor; }
header.site-header .inner { max-width: 720px; margin: 0 auto; padding: 0.75rem 1rem; display: flex; gap: 1rem; align-items: left; }
header.site-header a { color: inherit; text-decoration: none; }
header.site-header a:hover { text-decoration: underline; }
main.container h1, main.container h2, main.container h3 { line-height: 1.25; }
ul { padding-left: 1.25rem; }