/* ============================================================
   COMPONENTS — Table of Contents, Utilities
   ============================================================ */

/* ── TOC wrapper ─────────────────────────────────────── */
.table-of-contents {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.toc-list,
.toc-sections,
.toc-groups {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ── Chapter-level items ─────────────────────────────── */
.toc-item {
  margin-bottom: 1.25rem;
}

.toc-link {
  display: block;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-heading);
  text-decoration: none;
  padding: 3px 0;
  transition: color 0.15s ease;
  letter-spacing: 0.005em;
}

.toc-link:hover {
  color: var(--color-ritual-green);
}

.toc-item.active > .toc-link {
  color: var(--color-ritual-green);
}

/* ── Section-level links ─────────────────────────────── */
.toc-sections {
  margin-top: 0.375rem;
  margin-left: 0;
  border-left: 1px solid var(--color-border);
  padding-left: 0.75rem;
}

.toc-section {
  margin-bottom: 0;
}

.toc-section-link {
  display: block;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 3px 6px 3px 0;
  font-size: 0.75rem;
  line-height: 1.45;
  transition: color 0.15s ease, background 0.1s ease;
  border-left: 2px solid transparent;
  margin-left: -1px;  /* align with border */
}

.toc-section-link:hover {
  color: var(--color-ritual-green);
}

.toc-section-link.active {
  color: var(--color-ritual-green);
  border-left-color: var(--color-ritual-green);
  background: var(--color-nav-active-bg);
  padding-left: 6px;
}

/* ── Group labels (for large chapters) ──────────────── */
.toc-groups {
  margin-top: 0.375rem;
  border-left: 1px solid var(--color-border);
  padding-left: 0.75rem;
}

.toc-group {
  margin-bottom: 0.75rem;
}

.toc-group-title {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.25rem;
  padding-top: 0.25rem;
}

/* ── Utility ─────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}