/* ==========================================================================
   Product Listing - Shared CSS for CategoryProduct & Product views
   Used by: CategoryProduct.Faceted, Product.Category, Product.Faceted, Product.NonFaceted

   Table of Contents:
   1. Product Cards (incl. Quick View)
   2. Faceted Search
   3. Responsive & Print

   Breadcrumb: use breadcrumb.css (loaded on all listing pages).
   ========================================================================== */

/* ==========================================================================
   1. Product Cards & Quick View
   ========================================================================== */
   body > main .main {
    padding: 0 0 40px;
    max-width: var(--max-width-container);
    margin: 0 auto;
  }
  
  .product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, var(--card-max-width)));
    gap: 24px;
    justify-content: start;
    justify-items: center;
    list-style: none;
  }
  
  .product-cards li {
    position: relative;
  }
  
  .product-card {
    width: 100%;
    max-width: 288px;
    height: 354px;
    border: 1px solid rgba(229, 229, 229, 1);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 1);
    position: relative;
    transition: box-shadow var(--transition-fast);
    cursor: pointer;
    contain: layout style paint;
  }
  
  .product-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  }
  
  .product-card-front {
    width: 100%;
    height: 100%;
    padding: 20px 15px 30px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .product-card-link {
    position: absolute;
    inset: 0;
    z-index: 1;
  }
  
  .product-category {
    width: 100%;
    color: var(--text-primary);
    font-family: var(--font-family-body);
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    line-height: 23px;
    margin: 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;

  }
  
  .product-description {
    width: 231px;
    height: 60px;
    color: rgba(51, 51, 51, 1);
    font-family: var(--font-family-medium);
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    line-height: 20px;
    margin: 10px 0 0 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;

  }
  
  .product-image-container {
    /* flex: 1; */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 11px 0 20px 0;
    position: relative;
    overflow: hidden;
  }

  .product-image-container.is-loading::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 4px;
    background: linear-gradient(
      90deg,
      rgba(235, 235, 235, 1) 0%,
      rgba(245, 245, 245, 1) 50%,
      rgba(235, 235, 235, 1) 100%
    );
    background-size: 200% 100%;
    animation: product-image-skeleton 1.2s ease-in-out infinite;
  }

  .product-image-container.is-loading .product-image {
    opacity: 0;
  }

  .product-image-container.is-loaded .product-image {
    opacity: 1;
    transition: opacity 0.2s ease;
  }
  
  .product-image {
    max-width: 100%;
    height: 134px;
    object-fit: contain;
  }

  @keyframes product-image-skeleton {
    0% {
      background-position: 200% 0;
    }
    100% {
      background-position: -200% 0;
    }
  }
  
  .subcategory-placeholder {
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgb(var(--color-medium-gray));
  }
  
  .product-card-footer {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
  }
  
  .product-card-back ul {
    list-style-position: inside;
  }
  
  .product-details-btn {
    padding: 0 30px;
    height: 42px;
    border-radius: 21px;
    background-color: var(--primary-color);
    color: var(--background-color);
    font-family: var(--font-family-body);
    font-size: 18px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast),
      transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
  }
  
  .product-details-btn:hover,
  .product-details-btn:focus {
    background-color: var(--primary-hover);
  }
  
  .product-details-btn:hover {
    transform: scale(1.02);
  }
  
  .product-details-btn:active {
    transform: scale(0.98);
  }
  
  .quick-view-link {
    -webkit-tap-highlight-color: transparent;
    align-items: center;
    color: var(--text-secondary);
    display: flex;
    font-family: var(--font-family-body);
    font-size: 13px;
    font-weight: 400;
    gap: 4px;
    height: 23px;
    justify-content: center;
    margin-top: 0;
    position: relative;
    text-decoration: none;
    transition: color var(--transition-fast);
    z-index: 2;
  }
  
  .quick-view-link:hover,
  .quick-view-link:focus {
    color: var(--primary-color);
  }
  
  .quick-view-link:hover svg,
  .quick-view-link:focus svg {
    fill: var(--primary-color);
  }
  
  .quick-view-link:hover .quick-view-icon path {
    fill: var(--primary-color);
  }
  
  .quick-view-icon {
    flex-shrink: 0;
    transition: fill var(--transition-fast);
  }
  
  .quick-view-icon path {
    transition: fill var(--transition-fast);
  }
  
  .visibility-off {
    width: var(--icon-visibility-width);
    height: var(--icon-visibility-off-height);
  }
  
  .visibility-on {
    width: var(--icon-visibility-width);
    height: var(--icon-visibility-on-height);
    margin-bottom: 2px;
    fill: var(--text-secondary);
  }
  
  .quick-view-icon.visibility-off {
    display: none;
  }
  
  .quick-view-icon.visibility-on {
    display: inline-block;
  }
  
  .product-card.is-flipped .quick-view-icon.visibility-off {
    display: inline-block;
  }
  
  .product-card.is-flipped .quick-view-icon.visibility-on {
    display: none;
  }
  
  .is-flipped .quick-view-link {
    color: var(--primary-color);
  }
  
  .is-flipped .visibility-off {
    fill: var(--primary-color);
  }
  
  .product-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--card-back-height);
    background-color: var(--background-overlay);
    border-radius: 4px;
    padding: 23px 16px 0 16px;
    display: flex;
    flex-direction: column;
    overflow-y: hidden;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }
  
  .product-card.is-flipped {
    border: 1px solid rgba(13, 13, 13, 1) !important;
    border-radius: 4px !important;
  }
  
  .product-card.is-flipped .product-card-back {
    opacity: 1;
    visibility: visible;
    margin-bottom: 12px;
    font-family: var(--font-family-semi-bold);
    color: var(--text-primary);
    font-size: 12px;
  }
  
  .product-card-back p {
    margin-bottom: 12px;
  }
  
  .product-card-back ul {
    list-style-position: inside;
  }
  
  .product-card-back ul li {
    margin-bottom: 0;
  }
  
  .close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-secondary);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition-fast),
      color var(--transition-fast);
    z-index: var(--z-close-btn);
  }
  
  .close-btn:hover,
  .close-btn:focus {
    background-color: var(--background-button-hover);
    color: var(--text-primary);
  }
  
  .product-overview-description {
    font-family: var(--font-family-body);
    font-size: 12px;
    line-height: 17px;
    color: var(--text-primary);
    margin-bottom: 12px;
  }
  
  .product-overview-specs {
    font-family: var(--font-family-body);
    font-size: 12px;
    line-height: 17px;
    color: var(--text-primary);
    list-style: none;
    padding: 0;
    margin: 5px 0 16px 0;
  }
  
  .product-overview-specs li {
    margin-bottom: 0;
  }
  
  .product-overview-certifications {
    font-family: var(--font-family-body);
    font-size: 12px;
    line-height: 17px;
    color: var(--text-primary);
    margin-bottom: 0;
  }
  
  .product-overview-certifications h4 {
    font-family: var(--font-family-heading);
    font-size: 12px;
    font-weight: 700;
    margin: 0 0 1px 0;
    color: var(--text-primary);
  }
  
  .product-overview-certifications ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .product-overview-certifications li {
    margin-bottom: 0;
    position: relative;
    padding-left: 9px;
  }
  
  .product-overview-certifications li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-primary);
  }
  
  /* ==========================================================================
     2. Faceted Search
     ========================================================================== */
  .filter-results-section {
    margin-bottom: 21px;
    min-height: 30px;
    display: flex;
    align-items: center;
    gap: 32px;
  }
  
  .filtered-results-count {
    color: var(--text-primary);
    font-family: var(--font-family-bold);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 0;
    width: 288px;
  }
  
  .active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    flex: 1;
  }
  
  .filter-tag {
    height: 30px;
    background: rgba(246, 246, 246, 1);
    border-radius: 0;
    color: rgba(51, 51, 51, 1);
    font-family: var(--font-family-medium);
    font-size: 13px;
    font-weight: 500;
    line-height: 18px;
    padding: 0 15px;
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast),
      transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
  }
  
  .filter-tag .material-symbols-outlined,
  .clear-filters-btn .material-symbols-outlined {
    font-size: 14px;
  }
  
  .filter-tag:hover,
  .filter-tag:focus {
    background: rgba(204, 204, 204, 1);
  }
  
  .clear-filters-btn {
    height: 30px;
    border-radius: 0;
    color: rgba(51, 51, 51, 1);
    font-family: var(--font-family-medium);
    font-size: 13px;
    font-weight: 500;
    line-height: 18px;
    padding: 0 15px;
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 0;
    background: none;
    transition: background-color var(--transition-fast),
      transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
  }
  
  .clear-filters-btn:hover,
  .clear-filters-btn:focus,
  .clear-filters-btn:hover .material-symbols-outlined,
  .clear-filters-btn:focus .material-symbols-outlined {
    color: rgb(var(--color-dark-blue));
  }
  
  .faceted-search-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: 32px;
    align-items: start;
  }
  
  .filters-sidebar {
    border-radius: 0;
    /* position: sticky; */
    top: 16px;
    padding-top: 5px;
  }

  .filter-toggle-btn {
    display: none;
    font-size: 18px;
    height: 46px;
    justify-content: center;
    margin-bottom: 0;
    min-height: 46px;
    padding: 8px 16px;
    width: 100%;
    background: rgb(var(--color-dark-blue));
    color: rgb(var(--color-white));
    text-align: left;
    cursor: pointer;
    transition: var(--transition-base);
    gap: 10px;
    border: 0;
    align-items: center;
    border-radius: 0;
  }

  .filter-toggle-btn:hover {
    background: rgb(var(--color-dark-blue));
  }

  .toggle-icon-filter {
    font-size: 20px;
    line-height: 1;
    color: #fff !important;
  }

  .filter-content[hidden] {
    display: none;
  }
  
  .filter-section {
    margin-bottom: 25px;
  }
  
  .filter-section:last-child {
    margin-bottom: 0;
  }
  
  .filter-title {
    font-size: 16px;
    font-family: var(--font-family-bold);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 22px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
  }
  
  .filter-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .filter-option {
    display: flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    padding: 0;
    border-radius: 0;
    transition: var(--transition);
  }
  
  .filter-option:hover {
    background: var(--background-hover);
  }
  
  .filter-option input[type="checkbox"] {
    display: none;
  }
  
  .checkbox-custom {
    width: 20px;
    height: 20px;
    border: 1px solid rgba(151, 151, 151, 1);
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
  }
  
  .filter-option input[type="checkbox"]:checked + .checkbox-custom {
    background: rgba(151, 151, 151, 1);
  }
  
  .filter-label {
    font-size: 13px;
    color: var(--text-color);
    font-weight: 400;
    flex: 1;
  }
  
  .filter-option.disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  .filter-option.disabled:hover {
    background: transparent;
  }
  
  .filter-option.disabled .checkbox-custom {
    border-color: var(--border-light);
    cursor: not-allowed;
  }
  
  .filter-option.disabled .filter-label {
    color: var(--text-light);
  }
  
  .filter-count {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: auto;
  }
  
  .filter-option input[type="checkbox"]:checked ~ .filter-count {
    color: var(--primary-color);
    font-weight: 500;
  }
  
  .filter-option--hidden {
    display: none;
  }
  
  .filters-sidebar .view-more {
    align-items: center;
    background: none;
    border: none;
    color: rgb(var(--color-near-black));
    cursor: pointer;
    display: flex;
    font-family: var(--font-family-medium);
    font-size: 14px;
    gap: 5px;
    margin-top: 8px;
    padding: 4px 0;
  }
  
  .filters-sidebar .view-more:hover {
    color: rgb(var(--color-dark-blue));
  }
  
  .filters-sidebar .view-more:focus-visible {
    outline: 2px solid rgb(var(--color-sky-blue));
    outline-offset: 2px;
    border-radius: 2px;
  }
  
  .filters-sidebar .view-more .material-symbols-outlined {
    font-size: 20px;
    transition: transform var(--transition-fast);
  }
  .product-card article {
    height: 100%;
  }
  #filters-sidebar-mobile{
    display: none;
  }
  #filters-sidebar-desktop{
    display: flex;
  }
  /* ==========================================================================
     3. Responsive & Print
     ========================================================================== */
  /* Mobile + tablet: collapse the inner `.main` top padding.
     The outer `<main>` already carries `margin-top: var(--mobile-header-height)`
     on these breakpoints (see common.css) to clear the fixed `.mobile-header-bar`.
     Stacking another 40px padding-top inside `.main` pushes listing content
     ~134px down the viewport, which reads as excessive whitespace on small
     screens. Drop the top padding here; keep the bottom for end-of-page breathing.
     Breakpoint aligns with common.css / header.css (<=1023px is mobile+tablet). */
  @media (max-width: 1023px) {
    body > main .main {
      padding-top: 0;
      padding-bottom: 24px;
    }
  }

  @media (max-width: 1024px) {
    .faceted-search-layout {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .filters-sidebar {
      position: static;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .filter-toggle-btn {
      display: flex;
    }
    .faceted-search-container {
      display: flex;
      flex-direction: column-reverse;
      gap: 24px;
    }
    #filters-sidebar-mobile{
      display: flex;
    }
    #filters-sidebar-desktop{
      display: none;
    }
    .product-image-container{
      padding: 10px 0 0 0;
      /* justify-content: space-between; */
    }
    .product-cards {
      gap: 16px;
      grid-template-columns: repeat(3, 1fr);
    }
    .product-card{
      width: 224px;
    }
    .product-description{
        width: auto !important;
        height: 53px !important;
        overflow: clip;
        overflow-clip-margin: 10px;
    }
    .product-card-front{
      justify-content: space-between;
    }
  }
  
  @media (max-width: 878px) {
    .filter-results-section{
      flex-direction: column;
      gap: 19px;
      margin-bottom: 16px;
    }
    .filtered-results-count{
      text-align: center;
    }
    .product-cards {
      gap: 16px;
      grid-template-columns: repeat(1, 1fr);
    }
    .product-card {
      width: 288px;
    }
    .product-description{
        width: auto !important;
        height: 44px !important;
    }
    .product-card-back {
      padding: 16px 12px 16px 12px;
    }
  
    .product-overview-description,
    .product-overview-specs,
    .product-overview-certifications {
      font-size: 11px;
      line-height: 16px;
    }
  
    .faceted-search-layout {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  
    .filters-sidebar {
      position: static;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .filter-toggle-btn {
      display: flex;
    }
    .faceted-search-container {
      display: flex;
      flex-direction: column-reverse;
      gap: 24px;
    }
    .active-filters{
      justify-content: center;
    }
    #filters-sidebar-mobile{
      display: flex;
    }
    #filters-sidebar-desktop{
      display: none;
    }
  }
  
  @media (max-width: 480px) {
   
  
    .filter-options {
      gap: 8px;
    }
  }
  
  @media print {
    .product-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
    }
  
    .product-details-btn,
    .quick-view-link,
    .filter-tag,
    .clear-filters-btn {
      display: none;
    }
  }