.page-learning-branch .chapter-list,
.page-learning-branch .hub-grid {
  display: grid;
  gap: 12px;
}

.page-learning-branch .chapter-item {
  border-radius: var(--r);
  border: 1px solid rgba(15, 23, 42, .08);
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 10px 26px rgba(2, 6, 23, .06);
  overflow: hidden;
}

.page-learning-branch .chapter-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  font-weight: 700;
  font-size: calc(14px + var(--size-bump));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-learning-branch .chapter-item summary::-webkit-details-marker {
  display: none;
}

.page-learning-branch .chapter-item summary::after {
  content: "＋";
  color: var(--accent);
  font-size: 18px;
  line-height: 1;
  flex: 0 0 auto;
}

.page-learning-branch .chapter-item[open] summary::after {
  content: "−";
}

.page-learning-branch .chapter-body {
  padding: 0 18px 16px;
  border-top: 1px solid rgba(15, 23, 42, .08);
  background: rgba(241, 243, 249, .45);
}

.page-learning-branch .pathway-list {
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-learning-branch .pathway-item,
.page-learning-branch .hub-card {
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, .08);
  background: rgba(255, 255, 255, .92);
  padding: 14px 16px;
  box-shadow: 0 10px 20px rgba(2, 6, 23, .05);
}

.page-learning-branch .pathway-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.page-learning-branch .pathway-main {
  flex: 1 1 auto;
}

.page-learning-branch .pathway-title,
.page-learning-branch .hub-card h3 {
  margin: 0 0 6px;
  font-size: calc(14px + var(--size-bump));
  font-weight: 700;
}

.page-learning-branch .pathway-note,
.page-learning-branch .hub-card p,
.page-learning-branch .empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: calc(12.5px + var(--size-bump));
}

.page-learning-branch .pathway-actions,
.page-learning-branch .hub-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-learning-branch .status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}

.page-learning-branch .status-badge.is-soon {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.page-learning-branch .status-badge.is-live {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.page-learning-branch .status-badge.is-draft {
  background: #e5e7eb;
  color: #374151;
  border: 1px solid #d1d5db;
}

.page-learning-branch .meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.page-learning-branch .meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(241, 243, 249, .8);
  border: 1px solid rgba(15, 23, 42, .08);
  font-size: 12px;
  font-weight: 650;
  color: #1f2937;
}

.page-learning-branch .hub-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-learning-branch .hub-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-learning-branch .hub-card .btn,
.page-learning-branch .hub-card .btn.is-secondary {
  width: 100%;
  text-align: center;
}

.page-learning-branch .empty-state {
  border-radius: var(--r);
  border: 1px dashed rgba(15, 23, 42, .18);
  background: rgba(255, 255, 255, .8);
  padding: 20px;
}

.page-learning-branch .empty-state strong {
  display: block;
  margin-bottom: 8px;
  font-size: calc(14px + var(--size-bump));
}

.page-learning-branch .link-back-row {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 680px) {
  .page-learning-branch .pathway-item {
    flex-direction: column;
  }

  .page-learning-branch .pathway-actions,
  .page-learning-branch .hub-actions {
    width: 100%;
  }
}