/* ==========================================================================
   KIM — Productos (listado + detalle)
   ========================================================================== */

.products-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

/* Sidebar de filtros */
.filters {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 24px;
}

.filters__backdrop {
  display: none;
  position: fixed;
  inset: 0;
}

.filters__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.filters__header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.filters__clear {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0;
}

.filter-group {
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-border);
}

.filter-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.filter-group h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-text-soft);
  margin-bottom: 12px;
  font-weight: 700;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text);
}

.filter-option input {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.filter-option .count {
  margin-left: auto;
  color: #aaa;
  font-size: 0.78rem;
}

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

.filter-search {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.filter-search:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Toolbar */
.products-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.products-toolbar__count {
  font-size: 0.9rem;
  color: var(--color-text-soft);
}

.products-toolbar__count strong {
  color: #1a1a1a;
}

.products-toolbar__sort {
  display: flex;
  align-items: center;
  gap: 10px;
}

.products-toolbar__sort select {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: #fff;
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.active-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
}

.active-filter-chip button {
  background: none;
  border: none;
  color: #fff;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  opacity: 0.85;
}

.active-filter-chip button:hover {
  opacity: 1;
}

/* Grid de productos */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}

.product-card__img {
  aspect-ratio: 1/1;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__img img {
  transform: scale(1.06);
}

.product-card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.product-card__body {
  padding: 16px 18px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__cat {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.product-card__title {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a1a1a;
}

.product-card__sku {
  font-size: 0.78rem;
  color: var(--color-text-soft);
  margin-bottom: 14px;
}

.product-card__cta {
  margin-top: auto;
  display: flex;
  gap: 8px;
}

.product-card__cta .btn {
  flex: 1;
  justify-content: center;
  padding: 10px 12px;
  font-size: 0.82rem;
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  color: var(--color-text-soft);
}

.no-results h3 {
  color: #1a1a1a;
  margin-bottom: 8px;
}

/* Paginación */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 44px;
}

.pagination button {
  min-width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  font-weight: 600;
  transition: all var(--transition);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination button.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.pagination button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Mobile filters toggle */
.filters-toggle {
  display: none;
  width: 100%;
  margin-bottom: 18px;
  justify-content: center;
}

@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .products-layout {
    grid-template-columns: 1fr;
  }
  .filters-toggle {
    display: flex;
  }
  .filters {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 1500;
    border-radius: 0;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition);
    width: 86vw;
    max-width: 340px;
  }
  .filters.is-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .filters__backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1400;
  }
  .filters.is-open ~ .filters__backdrop,
  .filters__backdrop.is-open {
    display: block;
  }
  .filters__close {
    display: block;
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.4rem;
  }
}

@media (min-width: 901px) {
  .filters__close { display: none; }
}

@media (max-width: 600px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card__cta { flex-direction: column; }
}

/* ===== PÁGINA DE DETALLE DE PRODUCTO ===== */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.product-detail__gallery {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-detail__gallery img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 40px;
}

.product-detail__cat {
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.product-detail__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 6px;
}

.product-detail__sku {
  color: var(--color-text-soft);
  font-size: 0.92rem;
  margin-bottom: 22px;
}

.product-detail__desc {
  font-size: 1.02rem;
  color: var(--color-text);
  margin-bottom: 28px;
  line-height: 1.7;
}

.product-detail__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.spec-table tr:nth-child(odd) {
  background: var(--color-bg-alt);
}

.spec-table th, .spec-table td {
  text-align: left;
  padding: 13px 18px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--color-border);
}

.spec-table th {
  width: 40%;
  color: var(--color-text-soft);
  font-weight: 600;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

.related-products {
  margin-top: 72px;
}

@media (max-width: 860px) {
  .product-detail { grid-template-columns: 1fr; gap: 32px; }
  .product-detail__gallery { position: static; }
}