:root {
  color-scheme: light dark;
  --paper: #F5F3EF;
  --ink: #1C1B1A;
  --ink-muted: #6B6A67;
  --teal: #1F6F6A;
  --line: #D0CFCB;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141312;
    --ink: #F2F0EB;
    --ink-muted: #9C9893;
    --teal: #4AABA4;
    --line: #3C3936;
  }
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 1.45rem;
  margin: 0 0 0.35rem;
}

h2 {
  font-size: 1.1rem;
  margin: 1.6rem 0 0.5rem;
}

p, li {
  margin: 0.55rem 0;
}

.meta {
  opacity: 0.75;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.glyph {
  flex: none;
}

.glyph polygon {
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.6;
}

header.site {
  display: flex;
  align-items: center;
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

header.site a.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.02em;
}

header.site a.brand:hover {
  text-decoration: none;
  color: var(--teal);
}

footer.site {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--ink-muted);
}

footer.site .crosslink {
  margin-bottom: 0.5rem;
}

.langsw {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.langsw .current {
  color: var(--ink);
  font-weight: 600;
}