:root { --bg: #0b0d10; --surface: #14171c; --text: #e8ebef; --muted: #9aa3ad; --accent: #b6ff3b; --line: #262b33; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, "Segoe UI", Inter, Roboto, sans-serif; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.brand { color: var(--accent); font-weight: 700; text-decoration: none; letter-spacing: -0.3px; font-size: 18px; }
nav a, footer a { color: var(--muted); text-decoration: none; }
nav a[aria-current="true"] { color: var(--text); font-weight: 600; }
main { max-width: 760px; margin: 0 auto; padding: 24px 20px 48px; }
h1 { font-size: 30px; line-height: 1.2; margin: 8px 0 4px; letter-spacing: -0.5px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
.meta { color: var(--muted); margin: 0 0 20px; }
a { color: var(--accent); }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
th, td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
ul, ol { padding-left: 22px; }
.todo { background: #3a2f00; color: #ffd866; padding: 1px 6px; border-radius: 6px; font-size: 13px; }
footer { color: var(--muted); text-align: center; padding: 20px; border-top: 1px solid var(--line); font-size: 14px; }
article[hidden] { display: none; }
@media (prefers-color-scheme: light) { :root { --bg: #ffffff; --surface: #f4f6f8; --text: #121417; --muted: #5b6672; --accent: #4c8a00; --line: #e3e7ec; } }