:root {
  color-scheme: dark;
  --bg: #090807;
  --surface: #14120f;
  --border: rgba(244, 239, 230, 0.08);
  --text: #f4efe6;
  --muted: #8f8778;
  --accent: #f0a050;
  --code-bg: #0c0b09;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
h1 {
  font-family: Fraunces, Georgia, serif;
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 32px;
}
h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 36px 0 12px;
  scroll-margin-top: 24px;
}
h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 24px 0 8px;
}
p,
li {
  color: var(--muted);
  font-size: 0.9375rem;
}
ul,
ol {
  padding-left: 1.25rem;
}
a {
  color: var(--accent);
}
.back {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--muted);
}
.back:hover {
  color: var(--text);
}
.doc-nav {
  margin-bottom: 28px;
  font-size: 0.875rem;
  color: var(--muted);
}
.doc-nav a {
  margin-right: 12px;
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  line-height: 1.55;
  color: #c8c0b4;
}
code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85em;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 16px 0;
}
th,
td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  color: var(--muted);
}
th {
  color: var(--text);
  font-weight: 600;
}
nav.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 24px 0 32px;
}
nav.toc ul {
  margin: 8px 0 0;
}