/* ==========================================
   Browser
   ========================================== */

.autopartsx-browser {
    max-width: 1100px;
    margin: 20px auto;
}

/* Header: back button + breadcrumb */
.apx-browser-header {
    margin-bottom: 20px;
}

.apx-browser-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.apx-back-btn {
    padding: 8px 18px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    transition: all 0.15s;
    white-space: nowrap;
}

.apx-back-btn:hover {
    background: #e0e0e0;
    border-color: #999;
}

.apx-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 13px;
}

.apx-crumb-link {
    color: #0073aa;
    cursor: pointer;
}

.apx-crumb-link:hover {
    text-decoration: underline;
}

.apx-crumb-active {
    color: #333;
    font-weight: 600;
}

.apx-crumb-sep {
    color: #bbb;
}

/* Brands grid */
.apx-brands-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 15px;
}

.apx-brand-card {
    border: 2px solid #e8e8e8;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    padding: 5px;
}

.apx-brand-card:hover {
    border-color: #0073aa;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.apx-brand-logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.apx-brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.apx-brand-letter {
    font-size: 28px;
    font-weight: 700;
    color: #0073aa;
}

.apx-brand-name {
    display: none;
}

/* Models grid */
.apx-models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.apx-model-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    padding: 16px 20px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.apx-model-card:hover {
    border-color: #0073aa;
    background: #f0f7ff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.apx-model-name {
    font-size: 14px;
    font-weight: 600;
    color: #222;
}

.apx-model-years {
    font-size: 12px;
    color: #888;
}

/* Engines grid */
.apx-engines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.apx-engine-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    padding: 16px 20px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.apx-engine-card:hover {
    border-color: #0073aa;
    background: #f0f7ff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.apx-engine-name {
    font-size: 15px;
    font-weight: 700;
    color: #222;
}

.apx-engine-codes {
    font-size: 12px;
    color: #0073aa;
    font-weight: 500;
}

.apx-engine-power,
.apx-engine-fuel,
.apx-engine-years {
    font-size: 12px;
    color: #777;
}

/* Years grid */
.apx-years-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 10px;
}

.apx-year-card {
    padding: 16px;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: #333;
    transition: all 0.15s;
}

.apx-year-card:hover {
    background: #0073aa;
    color: #fff;
    border-color: #0073aa;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,115,170,0.25);
}

/* Categories - grouped */
.apx-categories-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.apx-category-group {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.apx-category-parent {
    padding: 14px 20px;
    background: #f5f7fa;
    font-size: 15px;
    font-weight: 700;
    color: #222;
    border-bottom: 1px solid #e0e0e0;
}

.apx-category-children {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1px;
    background: #f0f0f0;
}

.apx-category-child {
    padding: 12px 20px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    color: #444;
    transition: all 0.12s;
}

.apx-category-child:hover {
    background: #f0f7ff;
    color: #0073aa;
    padding-left: 26px;
}

/* Loading */
.apx-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 80px 20px;
    color: #555;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .apx-brands-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 10px;
    }

    .apx-brand-card {
        padding: 10px;
    }

    .apx-models-grid,
    .apx-engines-grid {
        grid-template-columns: 1fr;
    }

    .apx-years-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }

    .apx-category-children {
        grid-template-columns: 1fr;
    }

    .apx-back-btn {
        width: 100%;
        text-align: center;
    }
}

/* ==========================================
   Categories page
   ========================================== */

.apx-categories-page {
    width: 100vw;
    max-width: 100%;
    margin-left: calc(-50vw + 50%);
    padding: 20px 5%;
    box-sizing: border-box;
}

.apx-categories-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.apx-categories-header h2 {
    margin: 0;
    font-size: 22px;
    color: #222;
}

.apx-categories-actions {
    display: flex;
    gap: 8px;
}

.apx-expand-all,
.apx-collapse-all {
    padding: 6px 14px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: #555;
    transition: all 0.15s;
}

.apx-expand-all:hover,
.apx-collapse-all:hover {
    background: #e0e0e0;
}

.apx-categories-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Parent category */
.apx-cat-parent {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: #f8f9fb;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}

.apx-cat-parent:hover {
    background: #eef2f7;
    border-color: #0073aa;
}

.apx-cat-group.open .apx-cat-parent {
    border-radius: 8px 8px 0 0;
    border-bottom-color: transparent;
    background: #0073aa;
    color: #fff;
}

.apx-cat-group.open .apx-cat-parent .apx-cat-parent-count {
    color: rgba(255,255,255,0.7);
}

.apx-cat-parent-name {
    font-size: 15px;
    font-weight: 700;
    flex: 1;
}

.apx-cat-parent-count {
    font-size: 12px;
    color: #888;
    margin-right: 12px;
}

.apx-cat-arrow {
    font-size: 14px;
    transition: transform 0.2s;
    color: inherit;
}

.apx-cat-group.open .apx-cat-arrow {
    transform: rotate(180deg);
}

/* Children */
.apx-cat-children {
    display: none;
    border: 1px solid #e0e0e0;
    border-top: none;
    border-radius: 0 0 8px 8px;
    background: #fff;
    padding: 8px;
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 4px;
}

.apx-cat-group.open .apx-cat-children {
    display: grid;
}

.apx-cat-child-link {
    display: block;
    padding: 10px 16px;
    border-radius: 6px;
    color: #333;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.12s;
    cursor: pointer;
}

.apx-cat-child-link:hover {
    background: #f0f7ff;
    color: #0073aa;
    padding-left: 22px;
}

@media (max-width: 768px) {
    .apx-categories-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .apx-categories-header h2 {
        font-size: 18px;
    }

    .apx-cat-children {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Selector
   ========================================== */

/* Selector */
.autopartsx-selector {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 25px;
    max-width: 900px;
    margin: 20px auto;
}

.autopartsx-selector h3 {
    margin-top: 0;
    margin-bottom: 15px;
    text-align: center;
}

/* Code search */
.autopartsx-code-search {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.autopartsx-code-search input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.autopartsx-code-search .button {
    padding: 10px 25px;
    font-size: 14px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
}

.autopartsx-code-search .button:hover {
    background: #005a87;
}

/* Separator */
.autopartsx-separator {
    text-align: center;
    margin: 15px 0;
    position: relative;
}

.autopartsx-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #ccc;
}

.autopartsx-separator span {
    background: #f5f5f5;
    padding: 0 15px;
    position: relative;
    color: #888;
    font-size: 13px;
}

.autopartsx-selector-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-start;
}

/* Select2 overrides */
.autopartsx-selector-fields .select2-container {
    flex: 1;
    min-width: 150px;
}

.autopartsx-selector-fields .select2-container .select2-selection--single {
    height: 42px;
    padding: 6px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.autopartsx-selector-fields .select2-container .select2-selection--single .select2-selection__rendered {
    line-height: 28px;
}

.autopartsx-selector-fields .select2-container .select2-selection--single .select2-selection__arrow {
    height: 40px;
}

.autopartsx-selector-fields .select2-container--disabled .select2-selection--single {
    background: #eee;
    color: #999;
}

.autopartsx-selector-fields select {
    flex: 1;
    min-width: 150px;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    background: #fff;
}

.autopartsx-selector-fields select:disabled {
    background: #eee;
    color: #999;
}

.autopartsx-selector-fields .button {
    padding: 10px 25px;
    font-size: 14px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.autopartsx-selector-fields .button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.autopartsx-selector-fields .button:hover:not(:disabled) {
    background: #005a87;
}

#autopartsx-loading {
    text-align: center;
    padding: 10px;
    color: #666;
    font-style: italic;
}

/* Results layout */
.autopartsx-results-layout {
    display: flex;
    gap: 25px;
    max-width: 100%;
}

.autopartsx-results-sidebar {
    width: 280px;
    min-width: 280px;
    flex-shrink: 0;
}

.autopartsx-results-main {
    flex: 1;
    min-width: 0;
}

/* Sidebar categories */
.autopartsx-results-sidebar h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 16px;
    color: #222;
}

.apx-sidebar-categories {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.apx-sidebar-group {
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 4px;
}

.apx-sidebar-parent {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #f8f9fb;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    transition: all 0.15s;
}

.apx-sidebar-parent:hover {
    background: #eef2f7;
}

.apx-sidebar-group.open .apx-sidebar-parent {
    background: #0073aa;
    color: #fff;
}

.apx-sidebar-arrow {
    font-size: 11px;
    transition: transform 0.2s;
}

.apx-sidebar-group.open .apx-sidebar-arrow {
    transform: rotate(180deg);
}

.apx-sidebar-children {
    display: none;
    padding: 4px;
}

.apx-sidebar-group.open .apx-sidebar-children {
    display: block;
}

.apx-sidebar-child {
    display: block;
    padding: 7px 12px;
    font-size: 12px;
    color: #444;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.12s;
}

.apx-sidebar-child:hover {
    background: #f0f7ff;
    color: #0073aa;
}

.apx-sidebar-child.active {
    background: #e8f4fd;
    color: #0073aa;
    font-weight: 600;
}

/* Results */
.autopartsx-results h2 {
    margin-bottom: 15px;
    font-size: 15px;
    color: #555;
    font-weight: 500;
}

.autopartsx-results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.autopartsx-result-item {
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    transition: box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    position: relative;
}

.autopartsx-result-item:hover {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.autopartsx-result-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    padding: 10px;
    background: #fafafa;
    border-radius: 6px 6px 0 0;
}

.autopartsx-no-image {
    width: 100%;
    height: 200px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.autopartsx-result-info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}

.autopartsx-result-info h4 {
    margin: 0;
    font-size: 14px;
    line-height: 1.3;
}

.autopartsx-sku,
.autopartsx-brand {
    font-size: 12px;
    color: #888;
}

.autopartsx-price {
    font-size: 18px;
    font-weight: bold;
    color: #2e7d32;
    margin-top: 5px;
}

.autopartsx-price small {
    font-size: 11px;
    font-weight: normal;
    color: #999;
}

.autopartsx-no-price {
    color: #999;
    font-size: 14px;
}

.autopartsx-stock {
    font-size: 12px;
    font-weight: bold;
}

.autopartsx-stock.in-stock {
    color: #2e7d32;
}

.autopartsx-stock.out-of-stock {
    color: #c62828;
}

.autopartsx-buttons {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.autopartsx-cart-btn,
.autopartsx-local-cart-btn,
.autopartsx-view-btn,
.autopartsx-detail-btn {
    flex: 1;
    padding: 7px 5px;
    text-align: center;
    background: #0073aa;
    color: #fff !important;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    text-decoration: none;
    display: block;
    white-space: nowrap;
}

.autopartsx-cart-btn:hover,
.autopartsx-local-cart-btn:hover,
.autopartsx-view-btn:hover,
.autopartsx-detail-btn:hover {
    background: #005a87;
}

.autopartsx-detail-btn {
    background: #555;
}

.autopartsx-detail-btn:hover {
    background: #333 !important;
}

.autopartsx-cart-btn:disabled,
.autopartsx-local-cart-btn:disabled {
    background: #ccc;
    cursor: wait;
}

.autopartsx-added {
    background: #2e7d32 !important;
    cursor: default;
}

/* Loader overlay */
.autopartsx-loader-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 60px 20px;
    background: #fff;
}

.autopartsx-loader-overlay span {
    font-size: 13px;
    color: #555;
}

.autopartsx-spinner {
    width: 36px;
    height: 36px;
    border: 4px solid #ddd;
    border-top-color: #0073aa;
    border-radius: 50%;
    animation: autopartsx-spin 0.8s linear infinite;
}

@keyframes autopartsx-spin {
    to { transform: rotate(360deg); }
}

/* Full-page results loader (shown while live supplier lookups run) */
.autopartsx-results-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    min-height: 320px;
    padding: 60px 20px;
    text-align: center;
}

.autopartsx-results-loading .autopartsx-spinner {
    width: 52px;
    height: 52px;
    border-width: 5px;
}

.autopartsx-results-loading p {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #555;
}

/* Clickable images */
.autopartsx-result-item > a,
.autopartsx-result-item > .autopartsx-img-detail {
    display: block;
    text-decoration: none;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0,0,0,0.1);
}

/* Manual products highlight */
.autopartsx-manual-product {
    border-color: #2e7d32;
    border-width: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .autopartsx-selector-fields {
        flex-direction: column;
    }

    .autopartsx-selector-fields select,
    .autopartsx-selector-fields .button {
        width: 100%;
    }

    .autopartsx-results-grid {
        grid-template-columns: 1fr;
    }

    .autopartsx-results-sidebar {
        display: none;
    }

    .autopartsx-results-layout {
        flex-direction: column;
    }
}