.resource-metrics,
.resource-featured,
.resource-catalog-grid,
.resource-drawer-grid {
  display: grid;
  gap: var(--space-4);
}

.resource-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.resource-featured { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.resource-catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.resource-drawer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: var(--space-4); }

.resource-metrics article,
.resource-set-card,
.resource-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.resource-metrics article { padding: var(--space-4); }
.resource-metrics strong { display: block; color: var(--color-primary-dark); font-size: clamp(1.6rem, 3vw, 2.4rem); }
.resource-metrics span { color: var(--color-ink-soft); }
.resource-set-card,
.resource-card { min-width: 0; padding: var(--space-5); }
.resource-set-card h3,
.resource-card h3,
.resource-card h4 { margin: 0 0 var(--space-2); }
.resource-card h3 span,
.resource-card h4 span { display: block; margin-top: var(--space-1); color: var(--color-ink-soft); font-size: .78em; font-weight: 600; line-height: 1.45; }
.resource-card p { margin: var(--space-2) 0; }
.resource-card h3,
.resource-card h4,
.resource-card p,
.resource-card summary,
.resource-card a,
.resource-card span { overflow-wrap: anywhere; }
.resource-card__meta { color: var(--color-ink-soft); font-size: .92rem; }
.resource-card details { margin: var(--space-3) 0; }
.resource-card details p { font-size: .92rem; }
.resource-card__unavailable { color: var(--color-ink-soft); font-size: .92rem; }

.resource-filter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: var(--space-3);
  align-items: end;
}
.resource-filter-grid label { display: grid; gap: var(--space-1); font-weight: 700; }
.resource-filter-grid input,
.resource-filter-grid select { width: 100%; min-height: 44px; }
.resource-advanced-filters {
  margin-top: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.resource-advanced-filters > summary {
  padding: var(--space-3) var(--space-4);
  color: var(--color-primary-dark);
  font-weight: 700;
  cursor: pointer;
}
.resource-advanced-filters[open] > summary { border-bottom: 1px solid var(--color-line); }
.resource-advanced-filters > .resource-filter-grid { padding: var(--space-4); }
.resource-submission { margin-top: var(--space-4); }
.resource-submission > summary { color: var(--color-primary-dark); font-weight: 700; cursor: pointer; }
.resource-submission .form-stack { margin-top: var(--space-4); }
.resource-result-bar { display: flex; justify-content: space-between; gap: var(--space-3); align-items: center; margin: var(--space-4) 0; }
.resource-load-more { display: flex; justify-content: center; margin-top: var(--space-5); }

@media (max-width: 960px) {
  .resource-featured,
  .resource-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .resource-catalog-grid,
  .resource-drawer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .resource-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .resource-catalog-grid,
  .resource-drawer-grid,
  .resource-filter-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .resource-featured,
  .resource-metrics { grid-template-columns: 1fr; }
  .resource-set-card,
  .resource-card { padding: var(--space-4); }
  .resource-result-bar { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .resource-card,
  .resource-set-card { scroll-behavior: auto; }
}