.collections-hero {
  padding-top: var(--space-64);
  padding-bottom: var(--space-48);
}

.collections-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: var(--space-32);
  align-items: center;
}

.collections-hero__content p {
  max-width: 46rem;
}

.collections-hero__actions {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.collections-hero__meta {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.collections-hero__meta span {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(15, 23, 42, 0.7);
}

.collections-hero__media img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.collections-filters {
  padding-top: var(--space-32);
  padding-bottom: var(--space-24);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.collections-filters__header {
  margin-bottom: var(--space-24);
}

.collections-filters__cta {
  white-space: nowrap;
}

.collections-filters__form {
  display: grid;
  gap: var(--space-24);
}

.collections-filters__group label,
.collections-filters__group legend {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.collections-filters__select {
  max-width: 320px;
}

.collections-filters__range-group {
  max-width: 520px;
}

.collections-filters__range-wrapper input[type=range] {
  width: 100%;
}

.collections-filters__range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-8);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.collections-filters__fieldset {
  border-radius: var(--radius-md);
}

.collections-filters__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.collections-filter-chip.is-active {
  box-shadow: var(--shadow-sm);
  border-color: rgba(59, 130, 246, 0.45);
}

.collections-grid {
  padding-top: var(--space-40);
  padding-bottom: var(--space-48);
}

.collections-grid__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 2.2fr);
  gap: var(--space-32);
}

.collections-grid__sidebar {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: var(--space-24);
  position: sticky;
  top: var(--space-32);
  align-self: flex-start;
}

.collections-grid__sidebar-title {
  margin-bottom: var(--space-16);
}

.collections-grid__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-24);
}

.collections-grid__nav-item {
  width: 100%;
  text-align: left;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  border: 1px solid transparent;
  background-color: transparent;
  cursor: pointer;
  transition: background-color var(--transition-base) var(--transition-bezier),
    color var(--transition-base) var(--transition-bezier),
    border-color var(--transition-base) var(--transition-bezier);
}

.collections-grid__nav-item:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-text);
}

.collections-grid__nav-item.is-active {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  border-color: rgba(59, 130, 246, 0.4);
}

.collections-grid__sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.collections-grid__sidebar-link {
  width: 100%;
  justify-content: flex-start;
}

.collections-grid__content {
  display: grid;
  gap: var(--space-24);
}

.collections-card {
  display: none;
}

.collections-card.collections-card--active {
  display: block;
}

.collections-card__header p {
  max-width: 52rem;
}

.collections-card__label-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-8);
}

.collections-card__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.collections-card__body {
  margin-top: var(--space-16);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
  gap: var(--space-24);
  align-items: stretch;
}

.collections-card__body--simple {
  margin-top: var(--space-16);
}

.collections-card__media img {
  border-radius: var(--radius-lg);
}

.collections-card__details ul {
  margin-bottom: var(--space-16);
}

.collections-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

.collections-bottom-cta {
  padding-top: var(--space-40);
  padding-bottom: var(--space-48);
  border-top: 1px solid var(--color-border-subtle);
}

.collections-bottom-cta__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr);
}

.collections-bottom-cta__actions {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

@media (max-width: 1024px) {
  .collections-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .collections-hero__media {
    order: -1;
  }

  .collections-grid__layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .collections-grid__sidebar {
    position: static;
  }

  .collections-card__body {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .collections-hero {
    padding-top: var(--space-40);
    padding-bottom: var(--space-32);
  }

  .collections-filters__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .collections-filters__cta {
    width: 100%;
    justify-content: center;
  }

  .collections-grid {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
  }

  .collections-grid__sidebar {
    padding: var(--space-16);
  }

  .collections-bottom-cta {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
  }

  .collections-bottom-cta__actions a {
    flex: 1 1 100%;
    justify-content: center;
  }
}