:root {
  --bg: #ffffff;
  --fg: #1c1f24;
  --muted: #5b6270;
  --rule: #e2e5ea;
  --accent: #1f5fae;
  --banner-bg: #fff6e0;
  --banner-fg: #6b4a00;
  --card: #f6f7f9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e6e8eb;
    --muted: #9aa1ad;
    --rule: #2c3038;
    --accent: #7fb2f0;
    --banner-bg: #3a2f14;
    --banner-fg: #f3d58a;
    --card: #1c1f25;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow-wrap: break-word;
}
.wrap { display: block; max-width: 760px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
header.site { border-bottom: 1px solid var(--rule); }
header.site .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.brand span { color: var(--muted); font-weight: 500; }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--fg); text-decoration: underline; text-underline-offset: 4px; }
.version { margin: 0; background: var(--banner-bg); color: var(--banner-fg); font-size: 14px; padding: 8px 0; }
main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 1.8rem; line-height: 1.25; margin: 0.4em 0 0.6em; }
h2 { font-size: 1.25rem; margin: 2em 0 0.5em; padding-top: 0.5em; border-top: 1px solid var(--rule); }
h3 { font-size: 1.05rem; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 1.5em 0; }
ul, ol { padding-left: 1.4em; }
li { margin: 0.3em 0; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--rule); }
th { font-weight: 600; }
ul.cards { list-style: none; padding: 0; display: grid; gap: 12px; }
ul.cards a { display: block; padding: 16px; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; text-decoration: none; color: var(--fg); }
ul.cards a:hover { border-color: var(--accent); }
ul.cards strong { display: block; color: var(--accent); }
ul.cards span { color: var(--muted); font-size: 15px; }
footer.site { border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
footer.site p { margin: 0; padding: 16px 0 24px; }

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  th, td { padding: 6px 6px; }
}

@media print {
  :root { --bg: #fff; --fg: #000; --muted: #333; --rule: #bbb; --accent: #000; --banner-bg: #fff; --banner-fg: #000; }
  body { font-size: 11pt; }
  header.site nav { display: none; }
  .version { border: 1px solid #000; padding: 4px 0; }
  main { padding: 0; }
  a { text-decoration: none; }
  article a[href^="http"]::after, article a[href^="mailto"]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
  h2 { break-after: avoid; }
  table, tr { break-inside: avoid; }
  .wrap { max-width: none; }
}