/* ============================================
   SINGLE PRODUCT PAGE CSS - Từ Themes/Single
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    background-color: var(--background-color);
    padding: 12px 0;
    font-size: 13px;
    border-bottom: var(--border);
}

.breadcrumb a {
    color: var(--text-color-dark);
    opacity: 0.7;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: var(--primary-color);
    opacity: 1;
}

.breadcrumb span {
    color: var(--text-color-dark);
}

/* Product Section */
.product-section {
    display: grid;
    grid-template-columns: minmax(320px, 500px) minmax(0, 1fr);
    gap: 30px;
    margin: 10px 0;
}

/* Product Images */
.product-images {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.main-image {
    position: relative;
    border: var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 10px;
}

.main-image img {
    width: 100%;
    display: block;
    height: auto;
}

.zoom-btn {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: var(--text-color-light);
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    transition: var(--transition);
}

.zoom-btn:hover {
    background-color: var(--secondary-color);
}

.thumbnail {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.thumb-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: border-color 0.3s;
}

/* Editor content safety: không tràn ngang */
.description-text,
.product-info,
.product-description {
    min-width: 0;
}

.description-text img,
.description-text video,
.description-text iframe {
    max-width: 100%;
    height: auto;
}

.description-text iframe {
    width: 100%;
}

.description-text table {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.description-text table th,
.description-text table td {
    white-space: nowrap;
}

.thumb-img.active,
.thumb-img:hover {
    border-color: var(--primary-color);
}

/* Product Info */
.product-info h1 {
    font-size: 24px;
    color: var(--text-color-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.brand {
    font-size: 14px;
}

.brand a {
    color: var(--primary-color);
    transition: color 0.3s;
}

.brand a:hover {
    color: var(--secondary-color);
}

/* Product Info Details */
.product-info-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.product-info-details .info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.product-info-details .info-label {
    font-weight: 600;
    color: var(--text-color-dark);
    min-width: 100px;
}

.product-info-details .info-value {
    color: var(--text-color);
    flex: 1;
}

.product-info-details .info-value.in-stock .status-text {
    color: #28a745;
    font-weight: 600;
}

.product-info-details .info-value.out-of-stock .status-text {
    color: #28a745;
    font-weight: 600;
}

.product-short-description {
    font-size: 15px;
    line-height: 1.7;
    color: #333;
}

.product-short-description p {
    margin: 0 0 10px;
}

.product-short-description ul,
.product-short-description ol {
    margin: 10px 0 10px 22px;
    padding-left: 18px;
}

.product-short-description ul {
    list-style-type: disc;
}

.product-short-description ol {
    list-style-type: decimal;
}

.product-short-description ul li,
.product-short-description ol li {
    margin-bottom: 6px;
    padding-left: 4px;
}

.product-short-description ul ul,
.product-short-description ol ol,
.product-short-description ul ol,
.product-short-description ol ul {
    margin-top: 6px;
    margin-bottom: 6px;
    padding-left: 20px;
}

.product-short-description ul ul {
    list-style-type: circle;
}

.product-short-description ul ul ul {
    list-style-type: square;
}

.product-short-description strong,
.product-short-description b {
    font-weight: 600;
    color: #222;
}

.product-short-description em,
.product-short-description i {
    font-style: italic;
}

.product-short-description a {
    color: #1f5faa;
    text-decoration: none;
}

.product-short-description a:hover {
    text-decoration: underline;
}

.product-short-description h2,
.product-short-description h3,
.product-short-description h4 {
    margin: 14px 0 8px;
    line-height: 1.4;
    color: #222;
    font-weight: 600;
}

.product-short-description h2 {
    font-size: 20px;
}

.product-short-description h3 {
    font-size: 18px;
}

.product-short-description h4 {
    font-size: 16px;
}

.product-short-description table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 14px;
}

.product-short-description table th,
.product-short-description table td {
    border: 1px solid #ddd;
    padding: 8px 10px;
    text-align: left;
    vertical-align: top;
}

.product-short-description table th {
    background: #f5f5f5;
    font-weight: 600;
}

.product-short-description blockquote {
    margin: 12px 0;
    padding: 10px 14px;
    border-left: 3px solid #ccc;
    background: #f7f7f7;
    color: #444;
}

.product-short-description img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px 0;
}

/* Product Variants */
.product-variants {
    margin: 20px 0;
}

.variant-option.out-of-stock {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.variant-option.out-of-stock::after {
    content: 'Hết hàng';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(220, 53, 69, 0.9);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
}

.btn-add-cart:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: #ccc;
}

.variants-label {
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-color-dark);
    font-weight: 600;
}

.variants-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.variant-option {
    padding: 5px 10px;
    border: 2px solid var(--border-color);
    background-color: var(--text-color-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    color: var(--text-color-dark);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    min-width: 100px;
    position: relative;
}

.variant-option:hover {
    border-color: var(--primary-color);
    background-color: var(--light-color);
}

.variant-option.active {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

/* Dấu tích góc trên bên phải khi variant active */
.variant-option.active::before {
    content: '✓';
    position: absolute;
    top: 4px;
    right: 6px;
    width: 20px;
    height: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.variant-option.active .variant-price {
    color: var(--text-color-light);
}

.variant-option.active .variant-price .old-price {
    color: var(--text-color-light);
    opacity: 0.8;
}

.variant-price {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.variant-price .old-price {
    font-size: 11px;
    color: var(--text-color-dark);
    opacity: 0.5;
    text-decoration: line-through;
    font-weight: normal;
}

.variant-price .sale-price {
    font-size: 12px;
    color: #E74C3C;
    font-weight: 600;
}

/* Variant Contact (khi giá = 0) */
.variant-price.variant-contact {
    margin-top: 4px;
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Khi variant active, text "Liên hệ" màu sáng */
.variant-option.active .variant-price.variant-contact {
    color: var(--text-color-light);
}

/* Support Staff (CSKH) */
.support-staff-section {
    margin: 30px 0;
}

.support-staff-container {
    max-width: 100%;
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px;
}

.support-staff-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color-dark);
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e7eb;
}

.support-staff-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.support-staff-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    background-color: #fafafa;
    transition: border-color 0.2s ease;
}

.support-staff-item:hover {
    border-color: var(--primary-color);
    background-color: #ffffff;
}

.support-staff-avatar {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    background-color: #ffffff;
}

.support-staff-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.support-staff-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f3f4f6;
    color: #6b7280;
    font-weight: 600;
    font-size: 16px;
    border: 1px solid #e5e7eb;
}

.support-staff-details {
    flex: 1;
    min-width: 0;
}

.support-staff-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color-dark);
    margin-bottom: 2px;
}

.support-staff-role {
    font-size: 12px;
    color: #6b7280;
}

.support-staff-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
}

.support-staff-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--text-color-dark);
    text-decoration: none;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    background-color: #ffffff;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.support-staff-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: #f9fafb;
}

.support-staff-link i {
    font-size: 12px;
}

.support-staff-phone i {
    color: #10b981;
}

.support-staff-zalo i {
    color: #0068ff;
}

/* Responsive */
@media (max-width: 768px) {
    .support-staff-list {
        grid-template-columns: 1fr;
    }

    .support-staff-container {
        padding: 16px;
    }

    .support-staff-actions {
        flex-direction: row;
    }
}

.product-price {
    font-size: 24px;
    color: #E74C3C;
    margin: 15px 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.product-price .old-price {
    font-size: 18px;
    color: var(--text-color-dark);
    opacity: 0.5;
    text-decoration: line-through;
    font-weight: normal;
}

.product-price .sale-price {
    font-size: 24px;
    color: #E74C3C;
    font-weight: 600;
}

.contact-price {
    font-size: 18px;
    color: #E74C3C;
    margin: 15px 0;
    font-weight: 600;
}

.hotline {
    font-size: 14px;
    margin-bottom: 20px;
}

.hotline strong {
    color: #E74C3C;
    font-size: 16px;
}

/* Quantity Selector */
.quantity-selector {
    display: flex;
    gap: 10px;
    align-items: center;
    margin: 20px 0;
}

.qty-btn {
    width: 35px;
    height: 35px;
    border: var(--border);
    background-color: var(--text-color-light);
    cursor: pointer;
    font-size: 18px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.qty-btn:hover {
    background-color: var(--background-color);
}

.quantity-selector input {
    width: 60px;
    height: 35px;
    text-align: center;
    border: var(--border);
    border-radius: var(--border-radius);
    font-size: 14px;
}

/* Action Buttons */
.action-buttons {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-buttons-row {
    display: flex;
    gap: 10px;
    width: 100%;
}

.action-buttons-row:last-child {
    margin-top: 0;
}

.add-to-cart-form {
    flex: 1;
}

.btn-add-cart,
.btn-favorite,
.quote-btn,
.btn-zalo {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    width: 100%;
}

.btn-add-cart {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    flex: 1;
}

.btn-add-cart:hover {
    background-color: var(--secondary-color);
}

.btn-favorite {
    background-color: var(--text-color-light);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    width: 200px;
    min-width: 50px;
    padding: 12px;
}

.btn-favorite:hover,
.btn-favorite.active {
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

.quote-btn {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    width: 100%;
}

.quote-btn:hover {
    background-color: var(--secondary-color);
}

.btn-zalo {
    background-color: #0068FF;
    color: var(--text-color-light);
    width: 100%;
}

.btn-zalo:hover {
    background-color: #0052CC;
}

/* Features */
.features {
    margin: 30px 0;
    padding: 20px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

.feature-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item .icon {
    font-size: 30px;
    color: var(--primary-color);
}

.feature-item strong {
    display: block;
    margin-bottom: 5px;
    color: var(--text-color-dark);
}

.feature-item p {
    font-size: 13px;
    color: var(--text-color-dark);
    opacity: 0.7;
    margin: 0;
    line-height: 1.5;
}

/* Related Products Sidebar */
.related-products-sidebar {
    margin-top: 30px;
    padding: 20px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

.related-products-sidebar h3 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-color-dark);
    font-weight: 600;
    text-transform: uppercase;
}

.sidebar-product {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: var(--border);
}

.sidebar-product:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.sidebar-product img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.sidebar-product a {
    font-size: 13px;
    color: var(--text-color-dark);
    display: block;
    margin-bottom: 5px;
    transition: color 0.3s;
}

.sidebar-product a:hover {
    color: var(--primary-color);
}

.sidebar-product .contact {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 500;
}

.sidebar-product .price {
    margin: 5px 0 0;
    font-size: 13px;
    color: var(--text-color-dark);
    font-weight: 600;
}

.sidebar-product .price .old-price {
    text-decoration: line-through;
    color: var(--text-color-dark);
    opacity: 0.5;
    margin-right: 8px;
    font-weight: normal;
}

.sidebar-product .price .sale-price {
    color: var(--primary-color);
    font-weight: 600;
}

/* Product Description */
.product-description {
    margin: 40px 0;
    padding: 0;
    background-color: var(--text-color-light);
    border-radius: var(--border-radius);
    border: var(--border);
    overflow: hidden;
}

/* Tabs */
.desc-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    background-color: var(--background-color);
    align-items: flex-start;
}

.tab-btn {
    padding: 15px 25px;
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color-dark);
    opacity: 0.7;
    transition: var(--transition);
    text-align: left;
    white-space: nowrap;
}

.tab-btn:hover {
    opacity: 1;
    background-color: var(--light-color);
}

.tab-btn.active {
    color: var(--primary-color);
    opacity: 1;
    border-bottom-color: var(--primary-color);
    background-color: var(--text-color-light);
}

/* Tab Content */
.tab-content {
    display: none;
    padding: 10px 30px;
}

.tab-content.active {
    display: block;
}

.description-content {
    color: var(--text-color-dark);
}

.description-text {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-color-dark);
    font-size: 15px;
}

/* Paragraphs */
.description-text p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--text-color-dark);
}

.description-text p:last-child {
    margin-bottom: 0;
}

/* Headings */
.description-text h1,
.description-text h2,
.description-text h3,
.description-text h4,
.description-text h5,
.description-text h6 {
    margin-top: 25px;
    margin-bottom: 15px;
    color: var(--text-color-dark);
    font-weight: 600;
    line-height: 1.4;
}

.description-text h1 {
    font-size: 24px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.description-text h2 {
    font-size: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.description-text h3 {
    font-size: 18px;
}

.description-text h4 {
    font-size: 16px;
}

.description-text h5 {
    font-size: 15px;
}

.description-text h6 {
    font-size: 14px;
}

.description-text h1:first-child,
.description-text h2:first-child,
.description-text h3:first-child,
.description-text h4:first-child,
.description-text h5:first-child,
.description-text h6:first-child {
    margin-top: 0;
}

/* Lists */
.description-text ul,
.description-text ol {
    margin: 15px 0;
    padding-left: 30px;
    line-height: 1.8;
}

.description-text li {
    margin-bottom: 8px;
    line-height: 1.8;
    color: var(--text-color-dark);
}

.description-text ul li {
    list-style-type: disc;
}

.description-text ol li {
    list-style-type: decimal;
}

.description-text ul ul,
.description-text ol ol,
.description-text ul ol,
.description-text ol ul {
    margin-top: 8px;
    margin-bottom: 8px;
}

/* Text formatting */
.description-text strong,
.description-text b {
    font-weight: 600;
    color: var(--text-color-dark);
}

.description-text em,
.description-text i {
    font-style: italic;
    color: var(--text-color-dark);
}

.description-text u {
    text-decoration: underline;
}

.description-text s,
.description-text del {
    text-decoration: line-through;
    opacity: 0.7;
}

/* Links */
.description-text a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.description-text a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Images */
.description-text img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: block;
}

.description-text figure {
    margin: 20px 0;
    text-align: center;
}

.description-text figcaption {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-color-dark);
    opacity: 0.7;
    font-style: italic;
}

/* Tables */
.description-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.description-text table th,
.description-text table td {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.description-text table th {
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--text-color-dark);
}

.description-text table tr:nth-child(even) {
    background-color: var(--background-color);
}

.description-text table tr:hover {
    background-color: var(--light-color);
}

/* Blockquotes */
.description-text blockquote {
    margin: 20px 0;
    padding: 15px 20px;
    border-left: 4px solid var(--primary-color);
    background-color: var(--light-color);
    font-style: italic;
    color: var(--text-color-dark);
    border-radius: var(--border-radius);
}

.description-text blockquote p {
    margin-bottom: 0;
}

/* Code */
.description-text code {
    background-color: var(--background-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-color-dark);
    border: 1px solid var(--border-color);
}

.description-text pre {
    background-color: var(--background-color);
    padding: 15px;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--border-color);
    line-height: 1.6;
}

.description-text pre code {
    background-color: transparent;
    padding: 0;
    border: none;
    font-size: 13px;
}

/* Horizontal rule */
.description-text hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 25px 0;
}

/* Divs and sections */
.description-text div {
    margin-bottom: 15px;
}

.description-text section {
    margin: 25px 0;
    padding: 15px;
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

/* Spans */
.description-text span {
    color: inherit;
}

/* Mark/highlight */
.description-text mark {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
    color: var(--text-color-dark);
}

.product-description p {
    margin-bottom: 20px;
    line-height: 1.8;
    text-align: justify;
    color: var(--text-color-dark);
}

.product-images-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0;
}

.product-images-gallery img {
    width: 100%;
    border-radius: var(--border-radius);
    border: var(--border);
}

/* Catalog Content */
.catalog-content {
    padding: 20px 0;
}

.catalog-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.catalog-item {
    padding: 15px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    border: var(--border);
    transition: var(--transition);
}

.catalog-item:hover {
    background-color: var(--background-color);
    border-color: var(--primary-color);
}

.catalog-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color-dark);
    text-decoration: none;
    font-size: 14px;
}

.catalog-item a i {
    color: var(--primary-color);
    font-size: 18px;
}

.catalog-item a:hover {
    color: var(--primary-color);
}

/* Reviews Content */
.reviews-content {
    padding: 20px 0;
}

.reviews-section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color-dark);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.admin-reviews-section {
    margin-bottom: 40px;
}

.admin-review {
    background-color: #f0f9ff;
    border-left: 4px solid var(--primary-color);
}

.admin-badge {
    display: inline-block;
    padding: 2px 8px;
    background-color: var(--primary-color);
    color: var(--text-color-light);
    font-size: 11px;
    border-radius: 4px;
    margin-left: 8px;
    font-weight: 500;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-item {
    padding: 20px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    border: var(--border);
}

.user-review {
    background-color: var(--background-color);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.review-header strong {
    color: var(--text-color-dark);
    font-size: 14px;
}

.review-rating {
    display: flex;
    gap: 3px;
}

.review-rating i {
    font-size: 12px;
    color: var(--border-color);
}

.review-rating i.active {
    color: #FFA500;
}

.review-date {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-color-dark);
    opacity: 0.6;
}

.review-body {
    margin-top: 10px;
}

.review-body p {
    margin: 0;
    line-height: 1.6;
    color: var(--text-color-dark);
}

.admin-reply {
    margin-top: 15px;
    padding: 12px;
    background-color: #f8f9fa;
    border-left: 3px solid var(--primary-color);
    border-radius: var(--border-radius);
}

.admin-reply-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.admin-reply-header strong {
    font-size: 14px;
    color: var(--primary-color);
}

.admin-reply-body p {
    color: var(--text-color-dark);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* Review Form */
.review-form-container {
    background-color: var(--background-color);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.review-form-container h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color-dark);
    margin-bottom: 20px;
}

.review-form .form-group {
    margin-bottom: 20px;
}

.review-form .form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-color-dark);
    margin-bottom: 8px;
    font-size: 14px;
}

.rating-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 5px;
}

.rating-input input[type="radio"] {
    display: none;
}

.rating-input .star-label {
    cursor: pointer;
    font-size: 24px;
    color: #ddd;
    transition: color 0.2s;
}

.rating-input .star-label:hover,
.rating-input .star-label:hover~.star-label {
    color: #ffc107;
}

.rating-input input[type="radio"]:checked~.star-label,
.rating-input input[type="radio"]:checked~.star-label~.star-label {
    color: #ffc107;
}

.review-form input[type="text"],
.review-form input[type="email"],
.review-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.review-form input[type="text"]:focus,
.review-form input[type="email"]:focus,
.review-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.review-form textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit-review {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submit-review:hover {
    background-color: var(--secondary-color);
}

.btn-submit-review:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.no-reviews {
    text-align: center;
    color: var(--text-color-light);
    padding: 40px 20px;
    font-style: italic;
}

.company-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.company-info h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-color-dark);
    font-weight: 600;
}

.company-info p {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-color-dark);
}

/* Related Products Section */
.related-products {
    margin: 50px 0;
}

.related-products h2 {
    font-size: 20px;
    margin-bottom: 25px;
    color: var(--text-color-dark);
    font-weight: 600;
    text-transform: uppercase;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--primary-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.product-card {
    background-color: var(--text-color-light);
    border: var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    box-shadow: 0 5px 15px rgba(15, 23, 42, 0.15);
    transform: translateY(-5px);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h4 {
    font-size: 14px;
    padding: 15px;
    color: var(--text-color-dark);
    min-height: 60px;
    font-weight: 500;
}

.product-card .contact {
    padding: 0 15px 15px;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
}

/* Widgets */

/* Responsive Design */
@media (max-width: 1024px) {
    .product-section {
        grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
        gap: 20px;
    }

    .thumb-img {
        width: 64px;
        height: 64px;
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .variant-option {
        width: fit-content;
        min-width: 120px;
    }

    .product-section {
        grid-template-columns: 1fr;
    }

    /* Mobile: bỏ sticky để không bị kẹt layout */
    .product-images {
        position: static;
        top: auto;
    }

    .thumbnail {
        gap: 8px;
    }

    .thumb-img {
        width: 56px;
        height: 56px;
    }

    .product-info h1 {
        font-size: 20px;
        line-height: 1.3;
    }

    .product-info-details .info-item {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .product-info-details .info-label {
        min-width: 88px;
    }

    .action-buttons-row {
        flex-direction: column;
    }

    .btn-favorite {
        width: 100%;
        min-width: 0;
    }

    .support-staff-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    .support-staff-link {
        white-space: normal;
        width: 100%;
        justify-content: center;
    }

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

@media (max-width: 480px) {

    .product-price,
    .product-price .sale-price {
        font-size: 20px;
    }

    .variants-list {
        gap: 8px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
}