/* PageHeader — section title + description + actions */
html[data-shell="light"] .page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0 var(--space-5);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-default);
}

html[data-shell="light"] .page-header__main {
  flex: 1 1 240px;
  min-width: 0;
}

html[data-shell="light"] .page-header__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
}

html[data-shell="light"] .page-header__desc {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 56ch;
}

html[data-shell="light"] .page-header__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

html[data-shell="light"] .section > .page-header--legacy-row {
  display: none;
}