:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #5c5c5c;
  --line: #e2e2e2;
  --card: #f6f6f6;
  --link: #0a0a0a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f5f5f5;
    --muted: #a3a3a3;
    --line: #262626;
    --card: #111111;
    --link: #ffffff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
header.site {
  border-bottom: 1px solid var(--line);
}
header.site .bar {
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
header.site .brand {
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--fg);
  text-decoration: none;
}
header.site nav a {
  margin-left: 18px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}
header.site nav a:hover,
header.site nav a[aria-current="page"] { color: var(--fg); text-decoration: underline; }
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 20px 64px;
}
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 1.2rem; margin: 2.2rem 0 .5rem; padding-top: .4rem; border-top: 1px solid var(--line); }
h3 { font-size: 1rem; margin: 1.4rem 0 .3rem; }
p, li { color: var(--fg); }
.meta { color: var(--muted); margin: 0 0 1.6rem; font-size: .95rem; }
.lead { color: var(--muted); font-size: 1.05rem; }
a { color: var(--link); text-underline-offset: 3px; }
ul { padding-left: 1.3rem; }
li { margin: .3rem 0; }
table { width: 100%; border-collapse: collapse; margin: .8rem 0 1rem; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--line); }
th { background: var(--card); white-space: nowrap; }
td code { font-size: .85em; word-break: break-all; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  margin: 1rem 0;
}
.cards { display: grid; gap: 14px; grid-template-columns: 1fr; margin-top: 1.6rem; }
@media (min-width: 560px) { .cards { grid-template-columns: 1fr 1fr; } }
.cards a.card { display: block; text-decoration: none; color: var(--fg); }
.cards a.card:hover { border-color: var(--fg); }
.cards a.card strong { display: block; margin-bottom: 4px; }
.cards a.card span { color: var(--muted); font-size: .95rem; }
footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}
footer .bar { max-width: 760px; margin: 0 auto; padding: 20px; }
footer a { color: var(--muted); }