:root {
  --bg: #ffffff;
  --fg: #14161a;
  --muted: #5c636e;
  --line: #e3e6ea;
  --accent: #1a1d22;
  --maxw: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f12;
    --fg: #e8eaed;
    --muted: #99a0aa;
    --line: #24282e;
    --accent: #ffffff;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 0 1.25rem;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4rem 0 5rem;
}

header.site {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

header.site a.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--fg);
  text-decoration: none;
}

header.site span.sub {
  color: var(--muted);
  font-size: 0.9rem;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2.4rem 0 0.6rem;
  letter-spacing: -0.005em;
}

h3 {
  font-size: 1rem;
  margin: 1.6rem 0 0.4rem;
}

p, li { color: var(--fg); }

p { margin: 0 0 1rem; }

ul, ol { padding-left: 1.25rem; margin: 0 0 1rem; }

li { margin: 0.3rem 0; }

a { color: var(--fg); text-underline-offset: 3px; }

a:hover { color: var(--muted); }

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.lede { color: var(--muted); font-size: 1.05rem; }

nav.index { list-style: none; margin: 2rem 0 0; padding: 0; }

nav.index a {
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
}

nav.index a small {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

nav.index a:first-child { border-top: 1px solid var(--line); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.8rem 0.6rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { font-weight: 600; }

.scroll { overflow-x: auto; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: color-mix(in srgb, var(--fg) 7%, transparent);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

footer.site {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

footer.site a { color: var(--muted); }

footer.site nav { margin-bottom: 0.6rem; }

footer.site nav a { margin-right: 1rem; display: inline-block; }