:root { --bg: #ffffff; --text: #1c2430; --muted: #5b6675; --line: #dfe4ea; --link: #0b5cad; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #14181e; --text: #e8ecf1; --muted: #a2adba; --line: #2d3540; --link: #7db8f5; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 56px; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
p, ul { margin: 0 0 12px; }
ul { padding-left: 22px; }
li { margin-bottom: 4px; }
a { color: var(--link); }
.updated { color: var(--muted); margin-bottom: 24px; }
.table { overflow-x: auto; margin: 0 0 12px; }
table { border-collapse: collapse; width: 100%; font-size: 0.93rem; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--line); }
th { white-space: nowrap; }
footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }