:root { color-scheme: light dark; --fg: #1f2933; --muted: #5f6b76; --line: #d9dee3; --bg: #fff; --link: #1d6b4f; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #e6e9ec; --muted: #a3adb6; --line: #3a4248; --bg: #15191c; --link: #7cc9a7; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 46rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
h1 { font-size: 2rem; margin: 0 0 .25rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 .5rem; }
.meta { color: var(--muted); margin: 0 0 1.5rem; }
a { color: var(--link); }
ul, ol { padding-left: 1.25rem; }
li { margin: .25rem 0; }
table { width: 100%; border-collapse: collapse; margin: .5rem 0; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .5rem .6rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }