:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1f24;
  --muted: #5b6270;
  --border: #e2e4e8;
  --primary: #0b5cad;
  --primary-contrast: #ffffff;
  --accent: #0f8a6a;
  --radius: 10px;
  --max: 760px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --surface: #181c21;
    --text: #e9ecf1;
    --muted: #a1a8b3;
    --border: #2a3038;
    --primary: #5aa2ec;
    --primary-contrast: #0b1320;
    --accent: #3cc49c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--primary); }
header.site, footer.site {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
footer.site { border-bottom: 0; border-top: 1px solid var(--border); margin-top: 48px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 16px; }
header.site .wrap, footer.site .wrap {
  display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between;
}
.brand { font-weight: 700; letter-spacing: .2px; color: var(--text); text-decoration: none; }
.brand span { color: var(--primary); }
nav a { margin-right: 14px; font-size: 14px; }
nav a:last-child { margin-right: 0; }
.lang { font-size: 14px; color: var(--muted); }
main.wrap { padding-top: 32px; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
h3 { font-size: 1.05rem; margin: 20px 0 6px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin: 16px 0;
}
.btn {
  display: inline-block; background: var(--primary); color: var(--primary-contrast);
  padding: 10px 18px; border-radius: var(--radius); text-decoration: none; font-weight: 600; border: 0;
}
.muted { color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table-scroll { overflow-x: auto; }
footer.site small { color: var(--muted); }
.flush { margin-top: 0; }
.legal h2 { border-top: 1px solid var(--border); padding-top: 20px; }
.legal code { font-size: .9em; }
nav a[aria-current="page"] { font-weight: 700; text-decoration: none; }