/* ── Article / prose ─────────────────────────────────────────────────────── */

/* Remove paragraph width constraint – content column is already naturally contained */
.prose p {
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.prose h1 {
  background: linear-gradient(135deg, var(--color-plum), var(--color-dusty-rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-mauve-pale);
  margin-bottom: var(--space-xl);
  display: inline-block;
  width: 100%;
}
.prose h2 {
  color: var(--color-plum);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-mauve-pale);
}
.prose h2 a,
.prose h3 a,
.prose h4 a {
  color: inherit;
  text-decoration: none;
}
.prose h2 a:hover,
.prose h3 a:hover { text-decoration: underline; }
.prose h3 { color: var(--color-midnight-mid); }
.prose h4 { color: var(--color-plum-light); }

/* Anchor links from markdown-it-anchor (ariaHidden style — # symbol sibling) */
.prose [aria-hidden="true"].header-anchor {
  opacity: 0;
  margin-left: var(--space-sm);
  font-size: 0.7em;
  text-decoration: none;
  color: var(--color-mauve);
  transition: opacity var(--transition-fast);
  -webkit-text-fill-color: var(--color-mauve);
}
.prose h1:hover [aria-hidden="true"].header-anchor,
.prose h2:hover [aria-hidden="true"].header-anchor,
.prose h3:hover [aria-hidden="true"].header-anchor { opacity: 1; }

/* ── Lists ───────────────────────────────────────────────────────────────── */
.prose ul,
.prose ol {
  padding-left: 0;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
}

/* Unordered — custom plum bullet */
.prose ul > li {
  position: relative;
  padding-left: 1.6em;
  line-height: var(--line-height-normal);
  color: var(--color-text);
}
.prose ul > li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-plum), var(--color-mauve));
  flex-shrink: 0;
}

/* Ordered — styled counter */
.prose ol {
  counter-reset: prose-counter;
}
.prose ol > li {
  position: relative;
  padding-left: 2em;
  line-height: var(--line-height-normal);
  color: var(--color-text);
  counter-increment: prose-counter;
}
.prose ol > li::before {
  content: counter(prose-counter);
  position: absolute;
  left: 0;
  top: 0.05em;
  width: 1.4em;
  height: 1.4em;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: #fff;
  background: var(--color-plum);
  border-radius: 50%;
  line-height: 1;
  font-family: var(--font-sans);
}

/* Nested lists — indent, smaller bullet */
.prose ul ul,
.prose ol ul,
.prose ul ol,
.prose ol ol {
  margin-top: var(--space-xs);
  margin-bottom: 0;
  padding-left: var(--space-md);
}
.prose ul ul > li::before {
  background: var(--color-mauve);
  width: 5px;
  height: 5px;
  top: 0.6em;
}

/* Bold tech-callout items (e.g. **Term:** description) */
.prose li strong:first-child {
  color: var(--color-plum);
}

/* ── Rendering Impact callout ─────────────────────────────────────────────── */.prose blockquote:has(strong:first-child) {
  border-left-color: var(--color-plum);
  background: linear-gradient(135deg, var(--color-callout-bg), var(--color-mauve-pale));
}

/* ── Sidebar navigation ──────────────────────────────────────────────────── */
.sidebar-nav {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  font-size: var(--font-size-sm);
}
.sidebar-nav__title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}
.sidebar-nav__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar-nav__list a {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  line-height: var(--line-height-snug);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.sidebar-nav__list a::before { content: '→'; font-size: 0.75em; margin-top: 0.2em; color: var(--color-mauve); flex-shrink: 0; }
.sidebar-nav__list a:hover,
.sidebar-nav__list a[aria-current="page"] {
  background: var(--color-mauve-pale);
  color: var(--color-plum);
  text-decoration: none;
}
.sidebar-nav__list a[aria-current="page"] { font-weight: var(--font-weight-semibold); }

/* Related links section at bottom of content */
.related-links {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.related-links h2 {
  font-size: var(--font-size-lg);
  margin-top: 0;
  margin-bottom: var(--space-md);
  border: none;
}
.related-links ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--space-sm);
  padding: 0;
  list-style: none;
}
.related-links a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.related-links a::before { content: '→'; color: var(--color-mauve); font-weight: bold; }
.related-links a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-mauve);
  color: var(--color-plum);
  text-decoration: none;
}