/* Index-only two-column layout; detail pages retain their reading layout. */
.catalog-shell { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; padding-top: 40px; padding-bottom: 48px; align-items: start; }
.catalog-content { min-width: 0; }
.catalog-content .disc-index-hero, .catalog-content .dict-index-hero { padding-top: 0; }
.catalog-content .dict-grid, .catalog-content .disc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; }
.catalog-content .dict-card, .catalog-content .disc-card { min-width: 0; overflow-wrap: anywhere; }
.catalog-content .chip { white-space: normal; }
.catalog-sidebar { min-width: 0; border-left: 1px solid var(--border); padding-left: 28px; }
.catalog-sidebar h2 { font-family: var(--font-display); font-size: var(--text-heading); font-weight: 800; line-height: 1.2; }
.catalog-sidebar > p { margin-top: 8px; font-size: var(--text-small); color: var(--ink-muted); line-height: 1.5; }
.catalog-sidebar .cta-form { margin-top: 16px; }
.catalog-sidebar .form-row { flex-direction: column; align-items: stretch; }
.catalog-sidebar .input { width: 100%; min-width: 0; flex: none; }
.catalog-sidebar .btn { font-size: var(--text-small); white-space: normal; }
@media (max-width: 1000px) {
  .catalog-shell { gap: 32px; grid-template-columns: minmax(0, 1fr) 300px; }
  .catalog-content .dict-grid, .catalog-content .disc-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 800px) {
  .catalog-shell { grid-template-columns: minmax(0, 1fr); padding-top: 28px; }
  .catalog-sidebar { border-left: 0; border-top: 1px solid var(--border); padding: 24px 0 0; }
}