/**
 * Product variation horizontal filter — Equipmentor design system.
 */

.product-variation-filters {
  position: relative;
  width: 100%;
  max-width: 1800px;
  margin: 48px auto 0;
  padding: 0 var(--eq-page-gutter, 60px);
  z-index: 4;
  box-sizing: border-box;
  min-width: 0;
  overflow-x: clip;
}

.has-variation-filter .product-tabs {
  z-index: 3;
}

.product-variation-filters__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.product-variation-filters__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.2;
  color: #000;
}

.product-variation-filters__clear {
  flex-shrink: 0;
  border: 0;
  background: transparent;
  padding: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-red);
  text-decoration: underline;
  cursor: pointer;
}

.product-variation-filters__clear:hover,
.product-variation-filters__clear:focus-visible {
  color: #000;
}

.product-variation-filters__status {
  min-height: 0;
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: rgba(0, 0, 0, 0.65);
}

.product-variation-filters__status:empty {
  display: none;
}

.product-variation-filters__status.is-error {
  color: #b42318;
}

.product-variation-filters__rail {
  position: relative;
  max-width: 100%;
  min-width: 0;
}

.product-variation-filters__rail::before,
.product-variation-filters__rail::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 8px;
  width: 32px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 2;
}

.product-variation-filters__rail::before {
  left: 0;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0));
}

.product-variation-filters__rail::after {
  right: 0;
  background: linear-gradient(to left, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0));
}

.product-variation-filters__rail.is-scrollable:not(.is-at-start)::before {
  opacity: 1;
}

.product-variation-filters__rail.is-scrollable:not(.is-at-end)::after {
  opacity: 1;
}

.product-variation-filters__grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 20px;
  align-items: stretch;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.22) transparent;
}

.product-variation-filters__grid::-webkit-scrollbar {
  height: 6px;
}

.product-variation-filters__grid::-webkit-scrollbar-track {
  background: transparent;
}

.product-variation-filters__grid::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 999px;
}

.product-variation-filters__group {
  flex: 0 0 auto;
  width: 240px;
  min-width: 240px;
  max-width: 280px;
  min-height: 0;
  padding: 20px 18px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  background: #f7f7f7;
  box-sizing: border-box;
}

.product-variation-filters__group.is-active {
  border-color: rgba(196, 18, 48, 0.35);
  background: #fff;
  box-shadow: 0 0 0 1px rgba(196, 18, 48, 0.12);
}

.product-variation-filters__group-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  color: #000;
}

.product-variation-filters__options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 260px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
  scrollbar-width: thin;
}

.product-variation-filters__option {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  cursor: pointer;
  user-select: none;
}

.product-variation-filters__option input {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.product-variation-filters__box,
.product-variation-filters__option-text {
  pointer-events: none;
  position: relative;
  z-index: 1;
}

.product-variation-filters__box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid rgba(0, 0, 0, 0.35);
  border-radius: 2px;
  flex-shrink: 0;
  background: #fff;
  box-sizing: border-box;
}

.product-variation-filters__box img {
  display: none;
  width: 14px;
  height: 14px;
}

.product-variation-filters__option input:checked + .product-variation-filters__box {
  border-color: var(--color-red);
  background: var(--color-red);
}

.product-variation-filters__option input:checked + .product-variation-filters__box img {
  display: block;
  filter: brightness(0) invert(1);
}

.product-variation-filters__option-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.4;
  color: #111;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.product-variation-filters__option.is-disabled {
  opacity: 0.38;
  pointer-events: none;
}

.product-variation-filters__option.is-disabled .product-variation-filters__option-text {
  text-decoration: line-through;
}

.product-variation-filters__option:focus-within .product-variation-filters__box {
  outline: 2px solid var(--color-red);
  outline-offset: 2px;
}

.product-variation-filters__empty {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  color: rgba(0, 0, 0, 0.55);
}

/* Resolved configuration summary (Phase 4) */
.product-variation-result {
  margin-top: 20px;
  padding: 20px 22px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  background: #fff;
  box-sizing: border-box;
}

.product-variation-result[hidden],
.product-variation-result.is-empty {
  display: none;
}

.product-variation-result__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.product-variation-result__heading {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  color: #000;
}

.product-variation-result__attrs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.product-variation-result__attrs:empty {
  display: none;
}

.product-variation-result__chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 8px;
  background: #f7f7f7;
  border: 1px solid rgba(0, 0, 0, 0.08);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.35;
  color: #111;
}

.product-variation-result__chip-label {
  font-weight: 600;
  color: rgba(0, 0, 0, 0.55);
}

.product-variation-result__chip-value {
  font-weight: 400;
  overflow-wrap: anywhere;
}

.product-variation-result__meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0;
}

.product-variation-result__row {
  margin: 0;
  min-width: 0;
}

.product-variation-result__row dt {
  margin: 0 0 4px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.45);
}

.product-variation-result__row dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  color: #111;
  overflow-wrap: anywhere;
}

.product-variation-result__row--status dd {
  font-weight: 600;
  color: var(--color-red, #c41230);
}

.product-variation-result.is-out-of-stock .product-variation-result__row dd[data-eq-result-stock] {
  color: #b42318;
}

.has-variation-filter .product-buy__price.is-pending [data-eq-product-price] {
  color: rgba(0, 0, 0, 0.45);
}

.has-variation-filter .product-buy__price.is-resolved [data-eq-product-price] {
  color: inherit;
}

/* Hide WooCommerce's native variation price — buy card shows a single price. */
.has-variation-filter .woocommerce-variation-price,
.has-variation-filter .woocommerce-variation .price {
  display: none !important;
}

.has-variation-filter [data-eq-product-price] .price,
.has-variation-filter [data-eq-product-price] .woocommerce-Price-amount + .woocommerce-Price-amount,
.has-variation-filter [data-eq-product-price] .amount + .amount {
  display: none;
}

.has-variation-filter .product-buy__variations {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.has-variation-filter .product-buy__cart-form .reset_variations {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.has-variation-filter .product-buy__variation-actions .single_add_to_cart_button[disabled],
.has-variation-filter .product-buy__variation-actions .single_add_to_cart_button.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 1199px) {
  .product-variation-filters {
    margin-top: 36px;
  }

  .product-variation-result__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 991px) {
  .product-variation-filters__group {
    width: 220px;
    min-width: 220px;
  }
}

@media (max-width: 767px) {
  .product-variation-filters {
    margin-top: 28px;
  }

  .product-variation-filters__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .product-variation-filters__title {
    font-size: 22px;
  }

  .product-variation-filters__group {
    width: 200px;
    min-width: 200px;
    padding: 16px 14px;
  }

  .product-variation-filters__options {
    max-height: 220px;
  }

  .product-variation-filters__box {
    width: 22px;
    height: 22px;
  }

  .product-variation-result {
    margin-top: 16px;
    padding: 16px 14px;
  }

  .product-variation-result__meta {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}