:root {
  color-scheme: light dark;
  --bg: #fbfbf9;
  --fg: #1a1a17;
  --muted: #6b6b63;
  --line: #e4e3dd;
  --accent: #2f5d50;
  --code-bg: #f2f1eb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121211;
    --fg: #eceae4;
    --muted: #8d8c83;
    --line: #2a2a27;
    --accent: #8fc7b5;
    --code-bg: #1c1c1a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
               "Helvetica Neue", "Noto Sans KR", sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

header, main, footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.brand:hover { color: var(--fg); }
header nav a {
  font-size: 0.8125rem;
  color: var(--muted);
  text-decoration: none;
}
header nav a:hover { color: var(--fg); }

main { padding-block: 2.5rem 4rem; }

h1 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
}
h2 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem;
}

a { color: var(--accent); }

.empty {
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

.doclist { list-style: none; margin: 0; padding: 0; }
.doclist li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.doclist li:first-child { border-top: 1px solid var(--line); }
.doclist a {
  font-size: 1.125rem;
  text-decoration: none;
  color: var(--fg);
}
.doclist a:hover { color: var(--accent); }
.doclist time,
.meta {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.doclist p { margin: 0.375rem 0 0; color: var(--muted); }

.prose img { max-width: 100%; height: auto; }
.prose code {
  background: var(--code-bg);
  border-radius: 0.25rem;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
}
.prose pre {
  background: var(--code-bg);
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
}
.prose pre code { background: none; padding: 0; }
.prose blockquote {
  margin: 1.5rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--line);
  color: var(--muted);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}
.prose th, .prose td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
}
.prose th { font-weight: 600; }

footer {
  padding-block: 1.5rem 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--muted);
}