/* ============================================================
   THALUX — Coleções / Catálogo
   ============================================================ */

/* ======================== PAGE HERO ======================== */
.page-hero--colecoes {
  background: var(--color-bg-alt);
  padding: 32px 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.page-hero__subtitle {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ======================== FILTERS SECTION ======================== */
.filters-section {
  background: var(--color-bg);
  padding: 16px 0;
  position: sticky;
  top: calc(var(--topbar-h) + var(--header-h));
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.filters-section.is-scrolled {
  box-shadow: var(--shadow-sm);
}

/* --- Category Tabs --- */
.filters-categories {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.filters-categories::-webkit-scrollbar {
  display: none;
}

.filter-tab {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
  border-radius: 100px;
  transition: all var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
}

.filter-tab:hover {
  color: var(--color-primary);
  background: rgba(0, 105, 110, 0.06);
}

.filter-tab.is-active {
  background: var(--color-primary);
  color: var(--color-text-light);
}

/* --- Secondary Filters Row --- */
.filters-row {
  display: none;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.filters-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filters-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-heading);
  white-space: nowrap;
}

/* Chips */
.filters-chips {
  display: flex;
  gap: 6px;
}

.filter-chip {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-light);
}

/* Select */
.filters-select-wrapper {
  position: relative;
}

.filters-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 8px 36px 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  min-width: 160px;
}

.filters-select:focus {
  border-color: var(--color-primary);
}

.filters-select-arrow {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  pointer-events: none;
  color: var(--color-text-muted);
}

/* Search */
.filters-group--search {
  flex: 1;
  min-width: 200px;
}

.filters-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0 12px;
  transition: border-color var(--transition-fast);
  background: var(--color-bg);
}

.filters-search:focus-within {
  border-color: var(--color-primary);
}

.filters-search svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.filters-search input {
  flex: 1;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--color-text);
}

.filters-search input::placeholder {
  color: var(--color-text-muted);
}

.filters-search__clear {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.filters-search__clear:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

/* Info row */
.filters-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  min-height: 24px;
}

.filters-count {
  font-size: 13px;
  color: var(--color-text-muted);
}

.filters-clear-all {
  font-size: 13px;
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.filters-clear-all:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Mobile Filter Toggle */
.filters-mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  margin-top: 8px;
  transition: all var(--transition-fast);
}

.filters-mobile-toggle svg {
  width: 18px;
  height: 18px;
}

.filters-mobile-toggle:hover {
  background: var(--color-primary);
  color: var(--color-text-light);
}

/* ======================== MOBILE FILTERS PANEL ======================== */
.filters-panel-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 800;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.filters-panel-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.filters-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  z-index: 810;
  border-radius: 16px 16px 0 0;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--transition);
}

.filters-panel.is-open {
  transform: translateY(0);
}

.filters-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.filters-panel__header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
}

.filters-panel__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-text-muted);
  cursor: pointer;
}

.filters-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.filters-panel__section {
  margin-bottom: 24px;
}

.filters-panel__title {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.filters-panel__options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filters-panel__footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 12px;
}

.filters-panel__footer .btn {
  flex: 1;
}

/* ======================== CATALOG GRID ======================== */
.catalog-section {
  padding-top: 32px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

/* ======================== EMPTY STATE ======================== */
.catalog-empty {
  text-align: center;
  padding: 60px 20px;
  grid-column: 1 / -1;
}

.catalog-empty__icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.catalog-empty__title {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.catalog-empty__text {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* ======================== LOAD MORE ======================== */
.catalog-load-more {
  text-align: center;
  padding: 40px 0 16px;
}

/* ======================== CATALOG BANNER ======================== */
.catalog-banner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.catalog-banner h2 {
  color: var(--color-gold-light);
  font-size: 24px;
  margin-bottom: 12px;
}

.catalog-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  margin-bottom: 28px;
  line-height: 1.7;
}

/* ======================== RESPONSIVE ======================== */
@media (min-width: 768px) {
  .page-hero--colecoes {
    padding: 40px 0;
  }

  .page-hero__title {
    font-size: 36px;
  }

  .filters-section {
    top: calc(var(--topbar-h) + var(--header-h) + var(--nav-h));
    padding: 20px 0;
  }

  .filters-row {
    display: flex;
  }

  .filters-mobile-toggle {
    display: none;
  }

  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-lg);
  }

  .catalog-banner h2 {
    font-size: 30px;
  }
}

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

  .filters-group--search {
    max-width: 320px;
  }
}