:root { color-scheme: light dark; --fg: #1d1f23; --muted: #5b6270; --bg: #fbfaf7; --line: #e3e0d8; --accent: #2f5d50; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8e6e1; --muted: #a3a8b2; --bg: #16181c; --line: #2c3036; --accent: #8cc4b0; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
header { display: flex; align-items: center; gap: .75rem; margin-bottom: 2rem; }
header img { width: 44px; height: 44px; border-radius: 10px; }
header a { color: inherit; text-decoration: none; font-weight: 600; letter-spacing: .02em; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .4rem; }
p, li { color: var(--fg); }
.lede { color: var(--muted); font-size: 1.1rem; }
.meta { color: var(--muted); font-size: .9rem; }
a { color: var(--accent); }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }