:root { --bg: #F7F6F2; --text: #454545; --muted: rgba(0,0,0,.52); --accent: #0088FF; --line: rgba(0,0,0,.12); }
@media (prefers-color-scheme: dark) { :root { --bg: #1C1C1E; --text: #EDEDED; --muted: rgba(255,255,255,.6); --accent: #4DA8FF; --line: rgba(255,255,255,.14); } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 64px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -.5px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: var(--accent); text-decoration: none; }
.meta { color: var(--muted); margin-bottom: 28px; }
footer { margin-top: 48px; padding-top: 16px; border-top: .5px solid var(--line); color: var(--muted); font-size: 15px; }