:root{color-scheme:light dark;--bg:#fff;--fg:#1a1a1a;--mut:#666}
@media (prefers-color-scheme:dark){:root{--bg:#121212;--fg:#eaeaea;--mut:#9a9a9a}}
*{box-sizing:border-box}
body{margin:0;font:1rem/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
.site-header,main,.site-footer{max-width:46rem;margin:0 auto;padding:1rem}
.site-header a{font-weight:700;text-decoration:none;color:inherit}
.site-footer{color:var(--mut);font-size:.875rem}