/* Layout del Catálogo */
.catalog-page {
  padding: var(--spacing-stack-lg) var(--spacing-margin-mobile);
}

@media (min-width: 768px) {
  .catalog-page {
    padding: var(--spacing-stack-lg) var(--spacing-margin-desktop);
  }
}

.catalog-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-gutter);
}

@media (min-width: 768px) {
  .catalog-layout {
    flex-direction: row;
    align-items: flex-start;
  }
}

/* Sidebar de Filtros */
.catalog-sidebar {
  position: fixed;
  top: 0;
  left: -100%;
  width: 280px;
  height: 100vh;
  background-color: var(--color-surface-container-lowest);
  z-index: 200;
  padding: 24px;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
  transition: left 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-stack-lg);
}

.catalog-sidebar.active {
  left: 0;
}

.filter-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.close-filter-btn {
  display: block;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 24px;
  cursor: pointer;
}

.floating-filter-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  z-index: 90;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease;
}

.floating-filter-btn:active {
  transform: scale(0.9);
}

@media (min-width: 768px) {
  .catalog-sidebar {
    position: -webkit-sticky;
    position: sticky;
    top: 120px;
    left: 0;
    width: 256px;
    height: max-content;
    max-height: calc(100vh - 140px);
    box-shadow: none;
    padding: 0;
    z-index: 10;
    background: transparent;
    transition: none;
    flex-shrink: 0;
  }
  
  .close-filter-btn {
    display: none;
  }
  
  .floating-filter-btn {
    display: none;
  }
}

.filter-title {
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: var(--spacing-stack-sm);
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.filter-checkbox, .filter-radio {
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-outline);
  accent-color: var(--color-primary);
}

.filter-checkbox {
  border-radius: var(--radius-default);
}

.filter-radio {
  border-radius: 50%;
}

/* Área Principal */
.catalog-main {
  flex-grow: 1;
  min-width: 0;
}

.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--spacing-stack-lg);
  border-bottom: 1px solid var(--color-outline-variant);
  padding-bottom: var(--spacing-stack-sm);
}

.breadcrumb {
  margin-bottom: var(--spacing-stack-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-current {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 1px;
}

.load-more-container {
  margin-top: var(--spacing-stack-lg);
  display: flex;
  justify-content: center;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-gutter);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}