:root { color-scheme: light dark; --fg: #1d2420; --muted: #5d6862; --line: #d9dfdb; --accent: #1f6b4f; --bg: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --fg: #e6ebe8; --muted: #a3ada7; --line: #333b37; --accent: #7cc7a6; --bg: #121614; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.5rem 1.5rem; padding-top: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.brand { margin: 0; font-weight: 600; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--fg); text-decoration: underline; text-underline-offset: 0.2em; }
main { padding-top: 1rem; padding-bottom: 2rem; }
h1 { font-size: 1.8rem; line-height: 1.25; margin: 1.5rem 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
.meta { color: var(--muted); margin-top: 0; }
a { color: var(--accent); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
ul { padding-left: 1.25rem; }
footer { padding-top: 1rem; padding-bottom: 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); }