/* docs.css — Sidebar layout for documentation.html */

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: calc(100vh - var(--nav-height));
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 2rem 0 2rem;
}

.docs-sidebar-inner { padding: 0 1.25rem; }

.docs-sidebar-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 1.5rem 0 0.5rem;
  padding: 0 0.25rem;
}
.docs-sidebar-inner > ul:first-of-type .docs-sidebar-label { margin-top: 0; }

.docs-sidebar ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 2px; }

.docs-nav-link {
  display: block;
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.docs-nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.docs-nav-link.active { color: var(--purple-light); background: var(--purple-faint); }

.docs-sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.docs-sidebar-links a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.docs-sidebar-links a:hover { color: var(--purple-light); }

/* ── Main content ──────────────────────────────────────────── */
.docs-main { padding: 3rem 3rem 5rem; max-width: 860px; }

.docs-section { margin-bottom: 5rem; }
.docs-section-header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.docs-section-header h1, .docs-section-header h2 { margin-bottom: 0.5rem; }
.docs-lead { font-size: 1.05rem; color: var(--text-secondary); max-width: 620px; }

.docs-next-link { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }

/* ── Doc content typography ────────────────────────────────── */
.docs-h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.docs-h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.docs-ol, .docs-ul {
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
}
.docs-ol li, .docs-ul li {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.docs-content-body p,
.docs-section > p {
  margin-top: 0.6rem;
  font-size: 0.925rem;
}

/* ── Mobile: collapse sidebar ──────────────────────────────── */
@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .docs-main { padding: 2rem 1.25rem 4rem; }
}

/* ── Section-level next/prev nav ───────────────────────────── */
.docs-section-nav {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}