:root{color-scheme:light dark;--bg:#fff;--fg:#1c2321;--accent:#0F6E63}
@media(prefers-color-scheme:dark){:root{--bg:#121816;--fg:#e6ecea;--accent:#5fc2b5}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,sans-serif}
main{max-width:46rem;margin:0 auto;padding:2rem 1rem}
h1,a{color:var(--accent)}
h2{margin-top:2rem}
hr{margin:3rem 0;border:0;border-top:1px solid currentColor;opacity:.3}