:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e4e4e4;
  --link: #0b57d0;
  --code-bg: #f3f3f3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --text: #ececec;
    --muted: #a8a8a8;
    --line: #2c2c2c;
    --link: #8ab4f8;
    --code-bg: #222222;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header.site, main, footer.site { max-width: 568px; margin: 0 auto; padding: 0 16px; }
header.site {
  display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: baseline; justify-content: space-between;
  padding-top: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
header.site nav { display: flex; gap: 16px; font-size: 15px; }
header.site nav a[aria-current="page"] { color: var(--text); font-weight: 600; text-decoration: none; }
main { padding-top: 8px; padding-bottom: 48px; }
h1 { font-size: 32px; line-height: 1.25; margin: 32px 0 4px; }
h2 { font-size: 21px; line-height: 1.3; margin: 40px 0 8px; scroll-margin-top: 16px; }
.meta { color: var(--muted); margin-top: 0; }
a { color: var(--link); overflow-wrap: anywhere; }
ul, ol { padding-left: 24px; }
li { margin: 4px 0; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
ul.index { list-style: none; padding: 0; font-size: 19px; }
footer.site { color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 32px; }
footer.site a { color: var(--muted); }