/* ==============================
   BSS Advanced Product Compare
   Storefront Styles
   ============================== */

/* --- Variables --- */
:root {
    --bss-apc-border: #ddd;
    --bss-apc-bg-label: #f6f6f6;
    --bss-apc-bg-anchor: #f0f7ff;
    --bss-apc-bg-group: transparent;
    --bss-apc-bg-diff: #fffde7;
    --bss-apc-text-missing: #aaa;
    --bss-apc-text-dark: #444;
    --bss-apc-text-body: #6B6B6B;
    --bss-apc-accent: #4ab2f1;
    --bss-apc-accent-hover: #248ece;
    --bss-apc-danger: #e74c3c;
    --bss-apc-star: #f5a623;
    --bss-apc-star-empty: #ddd;
    --bss-apc-spinner: #4ab2f1;
}

/* ==============================
   1. PDP Widget Container
   ============================== */
.bss-apc-pdp-widget {
    margin: 20px 0;
    font-size: 14px;
}

.bss-apc-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.bss-apc-title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

/* ==============================
   2. Search Autocomplete
   ============================== */
.bss-apc-search-wrapper {
    position: relative;
    width: 300px;
    max-width: 100%;
}

.bss-apc-search-input {
    width: 100%;
    height: 36px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 0;
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--bss-apc-text-body);
    outline: none;
    box-sizing: border-box;
}

.bss-apc-search-input:focus {
    border-color: #ccc;
    color: var(--bss-apc-text-dark);
}

.bss-apc-search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.bss-apc-search-results {
    max-height: 300px;
    overflow-y: auto;
}

.bss-apc-search-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.15s;
}

.bss-apc-search-item:last-child {
    border-bottom: none;
}

.bss-apc-search-item:hover {
    background: #f5f5f5;
}

.bss-apc-search-item-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-right: 10px;
    flex-shrink: 0;
}

.bss-apc-search-item-info {
    flex: 1;
    min-width: 0;
}

.bss-apc-search-item-name {
    display: block;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bss-apc-search-item-price {
    display: block;
    font-size: 12px;
    color: #666;
    margin-top: 2px;
}

.bss-apc-search-item-add {
    background: none;
    border: 1px solid var(--bss-apc-accent);
    color: var(--bss-apc-accent);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.bss-apc-search-item-add:hover {
    background: var(--bss-apc-accent);
    color: #fff;
}

.bss-apc-search-loading,
.bss-apc-search-no-results {
    padding: 12px;
    text-align: center;
    color: #999;
    font-size: 13px;
}

.bss-apc-search-limit-msg {
    padding: 8px 12px;
    text-align: center;
    color: #999;
    font-size: 12px;
    font-style: italic;
}

/* ==============================
   3. Comparison Grid
   ============================== */
.bss-apc-grid-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--bss-apc-border);
    border-radius: 0;
}

.bss-apc-grid {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 500px;
}

.bss-apc-grid th,
.bss-apc-grid td {
    padding: 20px;
    border-bottom: 1px solid var(--bss-apc-border);
    border-right: 1px solid var(--bss-apc-border);
    vertical-align: top;
    text-align: center;
    font-size: 14px;
    color: var(--bss-apc-text-dark);
}

.bss-apc-grid th:last-child,
.bss-apc-grid td:last-child {
    border-right: none;
}

.bss-apc-grid tbody tr:last-child td {
    border-bottom: none;
}

/* --- Sticky left column --- */
.bss-apc-sticky-col {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--bss-apc-bg-label);
    text-align: left;
    min-width: 160px;
    max-width: 200px;
    font-weight: normal;
    color: var(--bss-apc-text-body);
}

/* --- Sticky header row --- */
.bss-apc-header-row th {
    position: sticky;
    top: 0;
    z-index: 3;
    background: #fff;
    border-bottom: 2px solid var(--bss-apc-border);
    vertical-align: middle;
}

.bss-apc-header-row .bss-apc-sticky-col {
    z-index: 4;
}

/* --- Product header cells --- */
.bss-apc-product-cell {
    min-width: 180px;
    position: relative;
    padding-top: 20px;
    font-weight: bold;
    font-size: 14px;
}

.bss-apc-product-link {
    color: var(--bss-apc-text-dark);
    text-decoration: none;
}

.bss-apc-product-link:hover,
.bss-apc-product-link:focus {
    color: var(--bss-apc-accent-hover);
    text-decoration: none;
}

/* --- Anchor product column (PDP) --- */
.bss-apc-anchor-col {
    background: var(--bss-apc-bg-anchor) !important;
}

/* ==============================
   4. Product Rows
   ============================== */
.bss-apc-product-img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
}

.bss-apc-price {
    font-weight: normal;
    font-size: 16px;
    color: var(--bss-apc-text-body);
}

.bss-apc-old-price {
    text-decoration: line-through;
    color: #aaa;
    font-size: 16px;
    margin-left: 5px;
}

.bss-apc-value-cell {
    vertical-align: middle;
}

/* --- Row hover --- */
.bss-apc-grid tbody tr.bss-apc-row:hover td {
    background-color: #fafafa;
}

.bss-apc-grid tbody tr.bss-apc-row:hover .bss-apc-sticky-col {
    background-color: #f0f0f0;
}

.bss-apc-grid tbody tr.bss-apc-row:hover .bss-apc-anchor-col {
    background-color: #e8f0f8;
}

/* ==============================
   5. Remove Button
   ============================== */
.bss-apc-remove-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--bss-apc-text-body);
    line-height: 1;
    padding: 2px 6px;
}

.bss-apc-remove-btn:hover,
.bss-apc-remove-btn:focus {
    color: var(--bss-apc-accent-hover);
}

/* ==============================
   6. Specification Groups
   ============================== */
.bss-apc-spec-group-row td {
    background: var(--bss-apc-bg-group);
    border: 0;
    padding: 20px 10px 10px;
    text-align: left;
}

.bss-apc-spec-group-row td[colspan] {
    border-left: none;
}

.bss-apc-group-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    padding: 0;
    color: var(--bss-apc-text-dark);
}

.bss-apc-group-arrow {
    transition: transform 0.2s;
    display: inline-block;
    font-size: 12px;
}

.bss-apc-group-collapsed .bss-apc-group-arrow {
    transform: rotate(-90deg);
}

.bss-apc-spec-row-hidden {
    display: none;
}

/* ==============================
   7. Spec Values
   ============================== */
.bss-apc-missing {
    color: var(--bss-apc-text-missing);
    font-style: italic;
}

.bss-apc-color-square {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 1px solid #ccc;
    border-radius: 2px;
    vertical-align: middle;
}

/* --- Difference highlight --- */
.bss-apc-spec-row[data-is-different="true"] td:not(.bss-apc-sticky-col) {
    background: var(--bss-apc-bg-diff);
}

/* --- Diff filter: hide non-different spec rows --- */
.bss-apc-diff-filter-active .bss-apc-spec-row[data-is-different="false"] {
    display: none;
}

.bss-apc-no-diff-message {
    text-align: center;
    padding: 20px;
    color: #999;
    font-style: italic;
}

/* ==============================
   8. MCP Toolbar
   ============================== */
.bss-apc-page {
    margin-bottom: 30px;
}

.bss-apc-mcp-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.bss-apc-diff-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
    margin-bottom: 12px;
}

.bss-apc-diff-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--bss-apc-accent);
    cursor: pointer;
}

.bss-apc-diff-toggle span {
    color: var(--bss-apc-text-body);
}

/* ==============================
   9. Rating Stars
   ============================== */
.bss-apc-rating {
    display: inline-flex;
    gap: 2px;
}

.bss-apc-star {
    color: var(--bss-apc-star-empty);
    font-size: 16px;
}

.bss-apc-star-filled {
    color: var(--bss-apc-star);
}

.bss-apc-review-count {
    font-size: 12px;
    color: #999;
    margin-left: 4px;
}

/* ==============================
   10. Add to Cart / View Product
   ============================== */
.bss-apc-addtocart-btn {
    display: inline-block;
    border: none;
    background-color: var(--bss-apc-accent);
    padding: 10px 15px;
    font-size: 15px;
    color: #fff;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
}

.bss-apc-addtocart-btn:hover,
.bss-apc-addtocart-btn:focus {
    background-color: var(--bss-apc-accent-hover);
    text-decoration: none;
    color: #fff;
}

/* --- MCP Search toolbar --- */
.bss-apc-mcp-search-toolbar {
    justify-content: center;
    margin-bottom: 16px;
}

.bss-apc-mcp-search-wrapper {
    flex: 0 1 400px;
}

.bss-apc-clear-all {
    display: inline-block;
    border: none;
    background-color: var(--bss-apc-accent);
    padding: 10px 15px;
    font-size: 12px;
    color: #fff;
    text-transform: uppercase;
    cursor: pointer;
}

.bss-apc-clear-all:hover,
.bss-apc-clear-all:focus {
    background-color: var(--bss-apc-accent-hover);
}

/* ==============================
   11. Loading Spinner
   ============================== */
.bss-apc-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--bss-apc-spinner);
    border-radius: 50%;
    animation: bssApcSpin 0.8s linear infinite;
}

.bss-apc-spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

@keyframes bssApcSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.bss-apc-loading {
    text-align: center;
    padding: 40px 0;
    color: #999;
}

.bss-apc-loading p {
    margin-top: 12px;
}

/* ==============================
   12. Empty State / No Data
   ============================== */
.bss-apc-no-data {
    text-align: center;
    padding: 60px 20px;
}

.bss-apc-no-data p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #666;
}

.bss-apc-pdp-no-data {
    text-align: center;
    padding: 20px;
    color: #999;
    font-style: italic;
}

/* ==============================
   13. Responsive
   ============================== */
@media (max-width: 769px) {
    .bss-apc-product-cell {
        min-width: 140px;
    }

    .bss-apc-sticky-col {
        min-width: 120px;
        max-width: 140px;
    }

    .bss-apc-product-img {
        max-width: 120px;
        max-height: 120px;
    }

    .bss-apc-grid th,
    .bss-apc-grid td {
        padding: 10px;
        font-size: 13px;
    }

    .bss-apc-mcp-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .bss-apc-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .bss-apc-search-wrapper {
        width: 100%;
    }

    .bss-apc-mcp-search-wrapper {
        flex: 1 1 100%;
    }
}