:root { --bg: #f6f7f4; --fg: #1b2420; --muted: #5d6b64; --line: #dde3de; --accent: #1f6b4f; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --bg: #121815; --fg: #e6ece8; --muted: #9aa8a0; --line: #2c3731; --accent: #6cc49b; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, "Segoe UI", Tahoma, sans-serif; padding: 32px max(16px, env(safe-area-inset-left)) 64px; }
main { max-width: 68ch; margin: 0 auto; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 2em 0 .4em; }
p, li { margin: .4em 0; }
ul { padding-inline-start: 1.3em; }
a { color: var(--accent); }
.meta { color: var(--muted); margin: 0 0 1.5em; }
nav { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 24px; }
nav b { font-size: 1.1rem; }
.box { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 1em 0; }