:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #171717;
  --muted: #525252;
  --border: #e5e5e5;
  --link: #2563eb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0f;
    --surface: #141419;
    --text: #f5f5f5;
    --muted: #a3a3a3;
    --border: #262626;
    --link: #60a5fa;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
.doc-header { margin-bottom: 2rem; }
.back {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--link);
  text-decoration: none;
}
.back:hover { text-decoration: underline; }
.brand {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.25;
  margin: 0 0 0.5rem;
}
.meta {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}
.prose h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
}
.prose h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.5rem;
}
.prose p, .prose li { margin: 0 0 0.85rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose a { color: var(--link); }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
}
.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.prose th { background: var(--surface); }
.doc-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
}
.doc-footer a { color: var(--link); }
.disclaimer { margin-top: 0.5rem; font-size: 0.8125rem; }