:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1e21;
  --muted: #606770;
  --line: #e4e6eb;
  --link: #1a56db;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --fg: #e4e6eb;
    --muted: #9aa0a6;
    --line: #2a2d31;
    --link: #6ea8fe;
  }
}
* { 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;
}
.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.brand { font-weight: 700; letter-spacing: -0.01em; }
nav a { margin-left: 1rem; }
h1 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
p, li { color: var(--fg); }
.muted { color: var(--muted); font-size: 0.9rem; }
code {
  background: var(--line);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--line); }
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}