:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65; color: #1c2b23; background: #fbfaf7;
}
@media (prefers-color-scheme: dark) {
  body { color: #e6e4de; background: #131a16; }
  a { color: #8fd0a8; }
  header { border-color: #2a3a30 !important; }
  .card { background: #1a241e !important; border-color: #2a3a30 !important; }
}
main { max-width: 720px; margin: 0 auto; padding: 24px 20px 64px; }
header { border-bottom: 1px solid #e3e0d8; padding: 18px 20px; }
header .wrap { max-width: 720px; margin: 0 auto; display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
header .brand { font-weight: 700; font-size: 18px; text-decoration: none; color: inherit; }
header nav a { font-size: 14px; margin-right: 14px; }
h1 { font-size: 26px; margin: 18px 0 6px; }
h2 { font-size: 19px; margin: 28px 0 8px; }
p, li { font-size: 15.5px; }
a { color: #1f6f43; }
.updated { font-size: 13px; opacity: 0.65; }
.card { background: #fff; border: 1px solid #e3e0d8; border-radius: 12px; padding: 4px 18px 10px; margin: 14px 0; }
footer { max-width: 720px; margin: 0 auto; padding: 0 20px 40px; font-size: 13px; opacity: 0.65; }
code { font-size: 90%; }