/* ============================================================
   Huapont — Pages Common Styles
   ------------------------------------------------------------
   Shared styling cho tất cả public pages:
   - Page headers (breadcrumb + title)
   - Page hero (background image hero)
   - Product grids & cards
   - Forms (inputs, buttons, validation)
   - Pagination
   - Content sections
   - Post detail page
   
   Design: functional-first, clean, dùng CSS tokens từ theme.css
   ============================================================ */

/* ============================================================
   Page Hero (Background Image Hero for main pages)
   ============================================================ */

.page-hero {
    position: relative;
    width: 100%;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    border-bottom: 1px solid var(--color-gold-500);
    box-shadow: 0 1px 0 0 rgba(201, 169, 97, 0.3);
}

.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(11, 11, 11, 0.85) 0%, rgba(11, 11, 11, 0.65) 100%);
    z-index: 1;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 48px 24px;
    max-width: var(--container-max);
    width: 100%;
}

.page-hero-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
    font-family: var(--font-display);
    font-size: 14px;
    flex-wrap: wrap;
}

.page-hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.page-hero-breadcrumb a:hover {
    color: var(--color-gold-300);
}

.page-hero-breadcrumb span:not(.page-hero-breadcrumb-separator) {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.page-hero-breadcrumb-separator {
    color: rgba(255, 255, 255, 0.4);
    user-select: none;
}

.page-hero-title {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-white);
    margin: 0 0 16px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.page-hero-description {
    font-family: var(--font-display);
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================================
   Page Header (breadcrumb + title + description)
   ============================================================ */

.page-header {
    background: var(--color-bg-soft);
    padding: 48px 24px;
    border-bottom: 1px solid var(--color-border);
}

.page-header-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb-item:hover {
    color: var(--color-accent);
}

.breadcrumb-item.is-active {
    color: var(--color-text);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--color-text-subtle);
    user-select: none;
}

/* Page title */
.page-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0 0 12px;
}

.page-description {
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0;
}

.page-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    color: var(--color-text-subtle);
}

/* ============================================================
   Page Content Container
   ============================================================ */

.page-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 48px 24px;
}

.page-content--narrow {
    max-width: 900px;
}

/* ============================================================
   Product Grid & Cards
   ============================================================ */

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.product-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-base) var(--ease-out);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.product-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-ink-100);
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-ink-300);
    background: linear-gradient(135deg, var(--color-ink-100) 0%, var(--color-ink-050) 100%);
}

.product-card-content {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card-category {
    margin-bottom: 10px;
}

.product-card-badge {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-gold-700);
    background: var(--color-gold-100);
    padding: 4px 10px;
    border-radius: var(--radius-xs);
}

.product-card-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-text);
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-desc {
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    line-height: 1.5;
    color: var(--color-text-muted);
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-link {
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-accent);
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--duration-fast) var(--ease-out);
}

.product-card:hover .product-card-link {
    gap: 10px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 24px;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: var(--color-text-subtle);
    opacity: 0.5;
}

.empty-state-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 500;
    color: var(--color-text);
    margin: 0 0 8px;
}

.empty-state-message {
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    color: var(--color-text-muted);
    margin: 0 0 24px;
}

/* ============================================================
   Pagination
   ============================================================ */

.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 48px;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    margin: 0;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
    cursor: pointer;
}

.pagination-btn:hover:not(:disabled):not(.active) {
    background: var(--color-gold-soft);
    border-color: var(--color-gold-500);
    color: var(--color-text);
    transform: translateY(-1px);
}

.pagination-btn.active {
    background: var(--color-gold-500);
    border-color: var(--color-gold-500);
    color: var(--color-text-on-gold);
    font-weight: 600;
    cursor: default;
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-btn svg {
    stroke-width: 2.5;
}

.pagination-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    color: var(--color-text-muted);
    font-family: var(--font-display);
    font-size: 15px;
    user-select: none;
}

/* Responsive — Empty State */
@media (max-width: 1023px) {
    .empty-state {
        padding: 56px 20px;
    }

    .empty-state-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 16px;
    }

    .empty-state-title {
        font-size: 20px;
    }

    .empty-state-message {
        font-size: var(--fs-sm);
    }
}

@media (max-width: 480px) {
    .empty-state {
        padding: 40px 20px;
    }

    .empty-state-icon {
        width: 44px;
        height: 44px;
    }

    .empty-state-title {
        font-size: 18px;
    }
}

/* Responsive — Pagination */
@media (max-width: 768px) {
    .pagination-wrapper {
        margin-top: 40px;
    }

    .pagination {
        gap: 4px;
    }

    .pagination-btn {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 14px;
    }

    .pagination-dots {
        min-width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .pagination-wrapper {
        margin-top: 32px;
    }

    .pagination {
        gap: 3px;
    }

    .pagination-btn {
        min-width: 32px;
        height: 32px;
        padding: 0 8px;
        font-size: 13px;
    }

    .pagination-dots {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
    }

    .pagination-btn svg {
        width: 14px;
        height: 14px;
    }
}

/* ============================================================
   Forms
   ============================================================ */

.form-container {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-label {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-subtle);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    color: var(--color-danger);
    margin-top: 6px;
}

.form-input.has-error,
.form-textarea.has-error {
    border-color: var(--color-danger);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

/* ============================================================
   Product Detail Breadcrumb (Simple, no hero)
   ============================================================ */
.product-breadcrumb {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
}

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

.breadcrumb-link {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    color: var(--color-text-subtle);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb-link:hover {
    color: var(--color-accent);
}

.breadcrumb-separator {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.breadcrumb-current {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    color: var(--color-text);
    font-weight: 600;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-soft);
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
}

.btn-quote {
    background: var(--color-white);
    color: var(--color-ink-900);
    border: 2px solid var(--color-ink-900);
    font-weight: 600;
}

.btn-quote:hover {
    background: var(--color-ink-900);
    color: var(--color-white);
    border-color: var(--color-ink-900);
}

.btn-favorite {
    background: var(--color-white);
    color: #E91E63;
    border: 2px solid #E91E63;
    font-weight: 600;
}

.btn-favorite svg {
    transition: transform var(--duration-fast) var(--ease-out), fill var(--duration-fast) var(--ease-out);
}

.btn-favorite.is-favorited {
    background: #E91E63;
    color: var(--color-white);
    border-color: #E91E63;
}

.btn-favorite.is-favorited svg {
    animation: favorite-heart-pop 320ms var(--ease-out);
}

.btn-favorite:hover {
    background: #E91E63;
    color: var(--color-white);
    border-color: #E91E63;
}

@keyframes favorite-heart-pop {
    0% { transform: scale(0.8); }
    55% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-text-on-gold);
    border: 2px solid var(--color-accent);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Alert messages */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    line-height: 1.5;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* ============================================================
   Product Detail Specific
   ============================================================ */

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.product-images {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.product-main-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-ink-100);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-placeholder-large {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 120px;
    font-weight: 600;
    color: var(--color-text-subtle);
    background: linear-gradient(135deg, var(--color-ink-050) 0%, var(--color-ink-100) 100%);
}

.product-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
}

.product-thumbnail {
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-xs);
    overflow: hidden;
    background: var(--color-ink-100);
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.product-thumbnail:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.product-thumbnail.is-active {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    display: flex;
    flex-direction: column;
}

.product-info-category {
    margin-bottom: 8px;
}

.product-info-title {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0 0 16px;
}

.product-info-desc {
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.product-specs {
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 24px;
}

.product-spec-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-divider);
}

.product-spec-item:first-child {
    padding-top: 0;
}

.product-spec-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.product-spec-label {
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text-subtle);
    min-width: 120px;
}

.product-spec-value {
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    color: var(--color-text);
    flex: 1;
}

.product-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Related products section */
.related-products {
    margin-top: 64px;
    padding-top: 64px;
    border-top: 1px solid var(--color-border);
}

.related-products-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.related-products-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.related-products-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.related-nav-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.related-nav-btn:hover:not(:disabled) {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.25);
}

.related-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.related-products-carousel {
    overflow: hidden;
    position: relative;
}

.related-products-track {
    display: flex;
    align-items: stretch;
    gap: 24px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.related-products-track .popular-card {
    flex: 0 0 calc((100% - 72px) / 4);
    min-width: 0;
}

.related-products-track .popular-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-products-track .popular-card-title,
.related-products-track .popular-card-desc {
    overflow: hidden;
}

.related-products-track .popular-card-title {
    display: -webkit-box;
    min-height: 3.2em;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-height: 1.6;
}

.related-products-track .popular-card-desc {
    display: -webkit-box;
    min-height: 4.8em;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-height: 1.6;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ============================================================
   Content Sections (About, Contact pages)
   ============================================================ */

.content-section {
    margin-bottom: 48px;
}

.content-section-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 20px;
}

.content-section-text {
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.content-section-text:last-child {
    margin-bottom: 0;
}

/* ============================================================
   Contact info grid (OLD - keep for backward compatibility)
   ============================================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-content {
    flex: 1;
}

.contact-label {
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text-subtle);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.contact-value {
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    color: var(--color-text);
    line-height: 1.6;
}

.contact-map {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-ink-100);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
}

/* ============================================================
   NEW Contact Page Styles
   ============================================================ */

/* Hero Banner */
.contact-hero-banner {
    position: relative;
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.contact-hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 11, 11, 0.6);
    z-index: 1;
}

.contact-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.contact-hero-title {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 12px;
}

.contact-hero-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

.contact-hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.contact-hero-breadcrumb a:hover {
    color: var(--color-gold-300);
}

.contact-hero-breadcrumb span:not(a) {
    color: rgba(255, 255, 255, 0.5);
}

/* Main Section */
.contact-main-section {
    padding: 50px 0 90px;
}

.contact-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

.contact-two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Common Header Styles */
.contact-eyebrow {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.contact-section-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin: 0 0 14px;
}

.contact-section-desc {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin: 0;
}

/* Form Wrapper */
.contact-form-wrapper {
    /* No specific wrapper styles, just container */
}

.contact-form-header {
    margin-bottom: 30px;
}

.contact-form {
    /* Form container */
}

.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.contact-form-group {
    margin-bottom: 16px;
}

.contact-form-label {
    display: block;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.contact-form-input,
.contact-form-textarea {
    width: 100%;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid #dedede;
    border-radius: 4px;
    padding: 0 16px;
    transition: all var(--duration-fast) var(--ease-out);
}

.contact-form-input {
    height: 54px;
}

.contact-form-textarea {
    padding: 16px;
    resize: vertical;
    min-height: 150px;
}

.contact-form-input:focus,
.contact-form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.contact-form-input::placeholder,
.contact-form-textarea::placeholder {
    color: var(--color-text-subtle);
}

.contact-form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-text-on-gold);
    background: var(--color-accent);
    border: none;
    border-radius: 4px;
    padding: 0 32px;
    height: 50px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.contact-form-submit:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

/* Info Wrapper */
.contact-info-wrapper {
    /* Container for info box */
}

.contact-info-box {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 38px;
}

.contact-info-header {
    margin-bottom: 32px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-info-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.contact-info-content {
    flex: 1;
}

.contact-info-label {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-subtle);
    margin-bottom: 4px;
}

.contact-info-value {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
}

.contact-info-link {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.contact-info-link:hover {
    color: var(--color-accent-hover);
}

/* Quick Support Section */
.contact-quick-support {
    background: var(--color-bg-soft);
    padding: 60px 0;
}

.contact-support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.contact-support-item {
    text-align: center;
}

.contact-support-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    margin: 0 auto 16px;
}

.contact-support-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 10px;
}

.contact-support-desc {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0;
}

/* ============================================================
   Dark Theme Overrides
   ============================================================ */

:root[data-theme="dark"] .contact-hero-banner::before {
    background: rgba(11, 11, 11, 0.75);
}

:root[data-theme="dark"] .contact-form-input,
:root[data-theme="dark"] .contact-form-textarea {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
    color: var(--color-ink-100);
}

:root[data-theme="dark"] .contact-info-box {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .contact-quick-support {
    background: var(--color-ink-900);
}

:root[data-theme="dark"] .contact-map {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 992px) {
    .contact-two-cols {
        gap: 48px;
    }

    .contact-section-title {
        font-size: 28px;
    }
}

@media (max-width: 1023px) {
    .contact-hero-banner {
        height: 160px;
    }

    .contact-hero-title {
        font-size: 30px;
    }

    .contact-hero-breadcrumb {
        font-size: 13px;
    }

    .contact-main-section {
        padding: 40px 0 60px;
    }

    .contact-container {
        padding: 0 20px;
    }

    .contact-two-cols {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact-section-title {
        font-size: 26px;
    }

    .contact-info-box {
        padding: 28px 24px;
    }

    .contact-support-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-form-submit {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .contact-hero-banner {
        height: 140px;
    }

    .contact-hero-title {
        font-size: 26px;
    }
}

/* ============================================================
   Dark Theme Overrides
   ============================================================ */

:root[data-theme="dark"] .product-card {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .product-card:hover {
    box-shadow: var(--shadow-lg);
}

:root[data-theme="dark"] .product-card-placeholder {
    background: linear-gradient(135deg, var(--color-ink-700) 0%, var(--color-ink-800) 100%);
    color: var(--color-ink-600);
}

:root[data-theme="dark"] .product-card-badge {
    background: rgba(201, 169, 97, 0.15);
    color: var(--color-gold-400);
}

:root[data-theme="dark"] .empty-state-icon {
    opacity: 0.3;
}

:root[data-theme="dark"] .pagination-btn {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

:root[data-theme="dark"] .pagination-btn:hover:not(:disabled):not(.active) {
    background: var(--color-ink-700);
    border-color: var(--color-gold-500);
    color: var(--color-gold-400);
}

:root[data-theme="dark"] .pagination-btn.active {
    background: var(--color-gold-500);
    border-color: var(--color-gold-500);
    color: var(--color-ink-900);
}

:root[data-theme="dark"] .pagination-dots {
    color: var(--color-ink-500);
}

:root[data-theme="dark"] .form-input,
:root[data-theme="dark"] .form-textarea,
:root[data-theme="dark"] .form-select {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
    color: var(--color-ink-100);
}

:root[data-theme="dark"] .btn-secondary {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

:root[data-theme="dark"] .btn-secondary:hover {
    background: var(--color-ink-700);
    color: var(--color-gold-400);
}

:root[data-theme="dark"] .btn-quote {
    background: var(--color-ink-800);
    color: var(--color-white);
    border-color: var(--color-ink-600);
}

:root[data-theme="dark"] .btn-quote:hover {
    background: var(--color-white);
    color: var(--color-ink-900);
    border-color: var(--color-white);
}

:root[data-theme="dark"] .btn-favorite {
    background: var(--color-ink-800);
    color: #F48FB1;
    border-color: #F48FB1;
}

:root[data-theme="dark"] .btn-favorite:hover {
    background: #F48FB1;
    color: var(--color-ink-900);
    border-color: #F48FB1;
}

:root[data-theme="dark"] .product-breadcrumb {
    background: var(--color-ink-900);
    border-color: var(--color-ink-800);
}

:root[data-theme="dark"] .breadcrumb-link {
    color: var(--color-ink-400);
}

:root[data-theme="dark"] .breadcrumb-link:hover {
    color: var(--color-gold-400);
}

:root[data-theme="dark"] .breadcrumb-separator {
    color: var(--color-ink-600);
}

:root[data-theme="dark"] .breadcrumb-current {
    color: var(--color-ink-100);
}

:root[data-theme="dark"] .product-main-image,
:root[data-theme="dark"] .product-thumbnail {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .product-placeholder-large {
    background: linear-gradient(135deg, var(--color-ink-800) 0%, var(--color-ink-700) 100%);
}

:root[data-theme="dark"] .product-specs {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .product-spec-item {
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .related-nav-btn {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .related-nav-btn:hover:not(:disabled) {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

:root[data-theme="dark"] .contact-map {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.3);
}

:root[data-theme="dark"] .alert-error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

/* ============================================================
   Products Catalog Page (Sidebar + Grid)
   ============================================================ */

.products-page {
    background: var(--color-bg);
    padding: 48px 0;
}

.products-page-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

/* Sidebar */
.products-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + var(--topbar-height) + 20px);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.products-filter {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.filter-section {
    border-bottom: 1px solid var(--color-divider);
    padding-bottom: 24px;
}

.filter-section:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.filter-section-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 16px;
}

.filter-section-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Checkbox Filter */
.filter-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 0;
    transition: color var(--duration-fast) var(--ease-out);
}

.filter-checkbox-label:hover {
    color: var(--color-accent);
}

.filter-checkbox-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.filter-checkbox-text {
    font-family: var(--font-display);
    font-size: 15px;
    color: var(--color-text);
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.filter-count {
    font-family: var(--font-display);
    font-size: 13px;
    color: var(--color-text-subtle);
    font-weight: 400;
}

/* Select Filter */
.filter-select {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.filter-select:hover {
    border-color: var(--color-accent);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* Range Filter */
.filter-range-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.filter-range-input {
    flex: 1;
    padding: 10px 12px;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    transition: all var(--duration-fast) var(--ease-out);
}

.filter-range-input:hover {
    border-color: var(--color-accent);
}

.filter-range-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.filter-range-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.filter-range-separator {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

/* Text Filter */
.filter-text-input {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    margin-bottom: 12px;
    transition: all var(--duration-fast) var(--ease-out);
}

.filter-text-input:hover {
    border-color: var(--color-accent);
}

.filter-text-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.filter-text-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.filter-apply-btn {
    width: 100%;
    padding: 10px 16px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-white);
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.filter-apply-btn:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
}

.filter-apply-btn:active {
    transform: translateY(0);
}

/* Main apply button (single button at bottom) */
.filter-apply-main {
    margin-top: 12px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(201, 169, 97, 0.2);
}

.filter-apply-main:hover {
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

/* Filter Actions */
.filter-actions {
    padding-top: 8px;
}

.filter-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
}

.filter-reset-btn:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
}

.filter-reset-btn svg {
    width: 16px;
    height: 16px;
}

/* Main Content */
.products-main {
    min-height: 600px;
}

.products-main .popular-grid {
    margin-bottom: 32px;
}

/* Toolbar */
.products-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 28px;
}

.products-toolbar-left {
    flex: 1;
}

.products-count {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text-muted);
    margin: 0;
}

.products-count strong {
    color: var(--color-text);
    font-weight: 600;
}

.products-toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.products-sort-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.products-sort-select {
    padding: 8px 32px 8px 12px;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.products-sort-select:hover {
    border-color: var(--color-accent);
}

.products-sort-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* ============================================================
   Dark Theme - Products Page
   ============================================================ */

:root[data-theme="dark"] .products-sidebar {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .filter-section {
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .filter-select {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

:root[data-theme="dark"] .filter-range-input {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

:root[data-theme="dark"] .filter-range-input::placeholder {
    color: var(--color-ink-400);
}

:root[data-theme="dark"] .filter-text-input {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

:root[data-theme="dark"] .filter-text-input::placeholder {
    color: var(--color-ink-400);
}

:root[data-theme="dark"] .filter-apply-btn {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-ink-900);
}

:root[data-theme="dark"] .filter-apply-btn:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

:root[data-theme="dark"] .filter-reset-btn {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
    color: var(--color-ink-300);
}

:root[data-theme="dark"] .filter-reset-btn:hover {
    background: var(--color-ink-700);
    border-color: var(--color-accent);
    color: var(--color-gold-400);
}

:root[data-theme="dark"] .products-toolbar {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
}

:root[data-theme="dark"] .products-sort-select {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

/* ============================================================
   Responsive - Mobile
   ============================================================ */

@media (max-width: 1023px) {
    .page-hero {
        min-height: 240px;
    }

    .page-hero-content {
        padding: 32px 20px;
    }

    .page-hero-title {
        font-size: 36px;
    }

    .page-hero-description {
        font-size: 16px;
    }

    .page-hero-breadcrumb {
        font-size: 13px;
    }

    .page-header {
        padding: 32px 20px;
    }

    .page-title {
        font-size: 32px;
    }

    .page-description {
        font-size: var(--fs-base);
    }

    .page-content {
        padding: 32px 20px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-detail {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-info-title {
        font-size: 28px;
    }

    .related-products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .related-products-track {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .related-products-track::-webkit-scrollbar {
        display: none;
    }

    .related-products-track .popular-card {
        flex: 0 0 85%;
        scroll-snap-align: start;
    }

    .related-products-nav {
        display: none;
    }

    .related-products-header {
        margin-bottom: 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* Products page mobile */
    .products-page {
        padding: 24px 0;
    }

    .products-page-container {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 0 20px;
    }

    .products-sidebar {
        position: static;
        padding: 20px;
    }

    .products-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        padding: 16px;
    }

    .products-toolbar-right {
        justify-content: space-between;
    }

    .products-count {
        font-size: 13px;
    }

    .products-sort-label {
        font-size: 13px;
    }

    .products-sort-select {
        font-size: 13px;
    }
}

/* ============================================================
   Products Page — Mobile (≤767px)
   Grid 2 cột + filter dropdown nằm trong toolbar
   ============================================================ */

/* Mặc định ẩn các element chỉ dùng trên mobile */
.mobile-filter-toggle,
.mobile-filter-dropdown {
    display: none;
}

@media (max-width: 767px) {
    /* Ẩn sidebar, chỉ dùng dropdown */
    .products-page-container .products-sidebar {
        display: none;
    }

    /* Ẩn count text trên mobile */
    .products-toolbar .products-count {
        display: none;
    }

    /* Toolbar: 1 hàng ngang, filter bên trái — sort bên phải */
    .products-toolbar {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between;
        gap: 10px;
        padding: 6px 12px;
    }

    .products-toolbar-left {
        flex: 0 0 auto;
    }

    .products-toolbar-right {
        justify-content: flex-end;
        gap: 8px;
    }

    /* Nút bộ lọc hiện trên mobile */
    .mobile-filter-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        font-family: var(--font-display);
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text);
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-xs);
        cursor: pointer;
        transition: all var(--duration-fast) var(--ease-out);
        white-space: nowrap;
    }

    .mobile-filter-toggle:hover,
    .mobile-filter-toggle.is-open {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }

    .mobile-filter-badge {
        font-size: 10px;
        color: var(--color-accent);
        line-height: 1;
    }

    .mobile-filter-chevron {
        transition: transform var(--duration-fast) var(--ease-out);
    }

    .mobile-filter-toggle.is-open .mobile-filter-chevron {
        transform: rotate(180deg);
    }

    /* Dropdown panel */
    .mobile-filter-dropdown {
        display: block;
        background: var(--color-white);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
        padding: 0 16px;
    }

    .mobile-filter-dropdown[hidden] {
        display: none !important;
    }

    .mobile-filter-dropdown-inner {
        padding: 16px 0;
    }

    .mobile-filter-actions {
        display: flex;
        gap: 10px;
        align-items: center;
        flex-wrap: wrap;
        padding-top: 8px;
    }

    .mobile-filter-actions .filter-apply-btn {
        flex: 1;
        min-width: 0;
    }

    .mobile-filter-actions .filter-reset-btn {
        white-space: nowrap;
    }

    /* Products page container single column */
    .products-page-container {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }

    /* Giảm hero height + padding để dành chỗ cho grid */
    .page-hero {
        min-height: 140px;
    }

    .page-hero-content {
        padding: 16px 16px;
    }

    .page-hero-title {
        font-size: 22px;
        margin-bottom: 4px;
    }

    .page-hero-description {
        font-size: 13px;
        margin-bottom: 0;
    }

    .page-hero-breadcrumb {
        display: none;
    }

    /* Giảm padding page-content trên mobile */
    .page-content {
        padding: 16px 16px;
    }

    /* Giảm padding products-page-container */
    .products-page {
        padding-top: 0;
    }

    /* Products grid: 2 cột trên mobile */
    .products-main .popular-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: auto;
        gap: 8px;
    }

    /* Card nhỏ gọn cho 2 cột */
    .products-main .popular-image-wrapper {
        height: 110px;
    }

    .products-main .popular-content {
        padding: 8px 10px 10px;
    }

    .products-main .popular-category {
        margin-bottom: 2px;
    }

    .products-main .popular-card-title {
        font-size: var(--fs-sm);
        -webkit-line-clamp: 2;
        margin-bottom: 4px;
    }

    .products-main .popular-card-desc {
        font-size: 12px;
        -webkit-line-clamp: 2;
        margin-bottom: 8px;
    }

    .products-main .popular-divider {
        margin-bottom: 8px;
    }

    .products-main .popular-btn {
        font-size: 12px;
        padding: 7px 10px;
    }

    .products-main .category-badge {
        font-size: 11px;
        padding: 2px 7px;
    }

    /* Search & Category page grid: 2 cột trên mobile */
    .page-content .popular-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: auto;
        gap: 8px;
    }

    .page-content .popular-image-wrapper {
        height: 110px;
    }

    .page-content .popular-content {
        padding: 8px 10px 10px;
    }

    .page-content .popular-category {
        margin-bottom: 2px;
    }

    .page-content .popular-card-title {
        font-size: var(--fs-sm);
        -webkit-line-clamp: 2;
        margin-bottom: 4px;
    }

    .page-content .popular-card-desc {
        font-size: 12px;
        -webkit-line-clamp: 2;
        margin-bottom: 8px;
    }

    .page-content .popular-divider {
        margin-bottom: 8px;
    }

    .page-content .popular-btn {
        font-size: 12px;
        padding: 7px 10px;
    }

    .page-content .category-badge {
        font-size: 11px;
        padding: 2px 7px;
    }
}

/* Dark theme for mobile filter */
:root[data-theme="dark"] .mobile-filter-toggle {
    background: var(--color-ink-800);
    border-color: var(--color-ink-700);
    color: var(--color-ink-200);
}

:root[data-theme="dark"] .mobile-filter-dropdown {
    background: var(--color-ink-900);
    border-color: var(--color-ink-700);
}

/* ============================================================
   Categories Grid (trang /categories)
   ============================================================ */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.category-card {
    position: relative;
    display: block;
    border-radius: var(--radius-3);
    overflow: hidden;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
    height: 360px;
}

.category-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-gold-500);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.category-card-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.category-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.category-card:hover .category-card-image img {
    transform: scale(1.05);
}

.category-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
    font-family: var(--font-display);
    font-size: 72px;
    font-weight: 600;
    color: var(--color-gold-500);
}

.category-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(11, 11, 11, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.category-card:hover .category-card-overlay {
    opacity: 1;
}

.category-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 140px;
}

.category-card-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin: 0;
    transition: color var(--duration-fast) var(--ease-out);
}

.category-card:hover .category-card-title {
    color: var(--color-gold-600);
}

.category-card-desc {
    font-family: var(--font-display);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-soft);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.category-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.category-card-count {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-soft);
}

.category-card-arrow {
    font-size: 20px;
    color: var(--color-gold-500);
    transition: transform var(--duration-fast) var(--ease-out);
}

.category-card:hover .category-card-arrow {
    transform: translateX(4px);
}

/* Dark theme overrides */
:root[data-theme="dark"] .category-card {
    background: var(--color-bg);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .category-card:hover {
    border-color: var(--color-gold-500);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .category-card-placeholder {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
}

:root[data-theme="dark"] .category-card-overlay {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
}

/* Responsive */
@media (max-width: 1023px) {
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .category-card {
        height: auto;
    }

    .category-card-image {
        height: 180px;
    }

    .category-card-content {
        height: auto;
        min-height: 120px;
    }

    .category-card-title {
        font-size: 20px;
    }
}

/* ============================================================
   Partner Detail Page (reuse post-detail styles)
   ============================================================ */

.partner-detail {
    font-family: var(--font-display);
}

.partner-detail-hero {
    position: relative;
    width: 100%;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-soft);
    overflow: hidden;
}

.partner-detail-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.partner-detail-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(11, 11, 11, 0.88) 0%, rgba(11, 11, 11, 0.72) 100%);
    z-index: 2;
}

.partner-detail-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 64px 24px;
    max-width: var(--container-max);
    width: 100%;
}

.partner-detail-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-3);
    padding: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

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

.partner-detail-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-white);
    margin: 0 0 24px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.partner-detail-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.partner-detail-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

.partner-detail-meta-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.partner-detail-website {
    color: var(--color-gold-300);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.partner-detail-website:hover {
    color: var(--color-gold-500);
}

.partner-detail-content-wrapper {
    max-width: 820px;
    margin: 0 auto;
    padding: 64px 24px;
}

.partner-detail-excerpt {
    font-family: var(--font-display);
    font-size: 20px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: 40px;
    padding: 32px;
    background: var(--color-bg-soft);
    border-left: 4px solid var(--color-gold-500);
    border-radius: 0 var(--radius-2) var(--radius-2) 0;
}

.partner-detail-content {
    font-family: var(--font-display);
    font-size: 17px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 48px;
}

.partner-detail-share {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 40px;
}

.partner-detail-share-label {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.partner-detail-share-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-2);
    background: var(--color-bg-soft);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
}

.partner-detail-share-btn:hover {
    background: var(--color-gold-500);
    color: var(--color-white);
    transform: translateY(-2px);
}

.partner-detail-back {
    margin-top: 48px;
    text-align: center;
}

/* Dark theme — Partner detail overrides */
:root[data-theme="dark"] .partner-detail-logo {
    background: var(--color-bg-soft);
}

:root[data-theme="dark"] .partner-detail-share-btn:hover {
    background: var(--color-gold-600);
}

/* Responsive — Partner Detail */
@media (max-width: 1023px) {
    .partner-detail-hero {
        min-height: 320px;
    }

    .partner-detail-hero-content {
        padding: 48px 20px;
    }

    .partner-detail-logo {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
        padding: 12px;
    }

    .partner-detail-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .partner-detail-meta {
        gap: 16px;
        font-size: 13px;
    }

    .partner-detail-content-wrapper {
        padding: 48px 20px;
    }

    .partner-detail-excerpt {
        font-size: 18px;
        padding: 24px 20px;
        margin-bottom: 32px;
    }

    .partner-detail-content {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .partner-detail-share {
        flex-wrap: wrap;
        gap: 12px;
        padding: 20px 0;
    }

    .partner-detail-share-label {
        width: 100%;
        margin-bottom: 4px;
    }

    .partner-detail-back {
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    .partner-detail-hero {
        min-height: 280px;
    }

    .partner-detail-title {
        font-size: 24px;
    }

    .partner-detail-excerpt {
        font-size: 16px;
        padding: 20px 16px;
    }

    .partner-detail-content {
        font-size: 15px;
    }
}

/* ============================================================
   Post Detail Page
   ============================================================ */

.page-hero-sm {
    min-height: 240px;
}

.page-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 12px;
    font-family: var(--font-display);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.post-author,
.post-date {
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-author::before {
    content: "✍️";
}

.post-date::before {
    content: "📅";
}

.page-content {
    padding: 80px 0;
}

.post-detail {
    max-width: 800px;
    margin: 0 auto;
}

.post-image {
    width: 100%;
    margin-bottom: 40px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

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

.post-excerpt {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-text-soft);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.post-content {
    font-family: var(--font-display);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 48px;
}

.post-content p {
    margin-bottom: 1.5em;
}

.post-footer {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

/* Dark theme */
:root[data-theme="dark"] .post-image {
    border-color: var(--color-border);
}

:root[data-theme="dark"] .post-excerpt {
    border-color: var(--color-border);
}

:root[data-theme="dark"] .post-footer {
    border-color: var(--color-border);
}

/* Responsive */
@media (max-width: 1023px) {
    .page-hero-sm {
        min-height: 180px;
    }

    .page-hero-title {
        font-size: 32px;
    }

    .page-content {
        padding: 48px 0;
    }

    .post-excerpt {
        font-size: 18px;
    }

    .post-content {
        font-size: 15px;
    }
}

/* ============================================================
   Post Detail Page
   ============================================================ */

.post-detail {
    background: var(--color-bg);
}

.post-detail-hero {
    position: relative;
    width: 100%;
    height: 480px;
    overflow: hidden;
}

.post-detail-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-detail-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(11, 11, 11, 0.9) 0%, rgba(11, 11, 11, 0.4) 100%);
    display: flex;
    align-items: flex-end;
}

.post-detail-hero-content {
    padding: 48px 0;
}

.post-detail-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
    margin: 0 0 24px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.post-detail-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.post-detail-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.post-detail-meta-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.8;
}

.post-detail-content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 64px 24px;
}

.post-detail-excerpt {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.7;
    color: var(--color-text-soft);
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.post-detail-content {
    font-family: var(--font-display);
    font-size: 17px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 48px;
}

.post-detail-share {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.post-detail-share-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-soft);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-detail-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-soft);
    color: var(--color-text-soft);
    border: 1px solid var(--color-border);
    transition: all var(--duration-fast) var(--ease-out);
}

.post-detail-share-btn:hover {
    background: var(--color-gold-500);
    color: var(--color-white);
    border-color: var(--color-gold-500);
    transform: translateY(-2px);
}

.post-detail-related {
    padding: 80px 0;
    background: var(--color-bg-soft);
    border-top: 1px solid var(--color-border);
}

.post-detail-related-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 48px;
}

.post-detail-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.post-detail-related-card {
    display: block;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
}

.post-detail-related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gold-500);
}

.post-detail-related-thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.post-detail-related-content {
    padding: 24px;
}

.post-detail-related-card-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
    margin: 0 0 12px;
}

.post-detail-related-date {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text-soft);
}

/* Dark theme overrides */
:root[data-theme="dark"] .post-detail-hero-overlay {
    background: linear-gradient(to top, rgba(11, 11, 11, 0.95) 0%, rgba(11, 11, 11, 0.5) 100%);
}

:root[data-theme="dark"] .post-detail-excerpt {
    border-color: var(--color-border);
}

:root[data-theme="dark"] .post-detail-share {
    border-color: var(--color-border);
}

:root[data-theme="dark"] .post-detail-share-btn {
    background: var(--color-bg-soft);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .post-detail-related {
    background: var(--color-bg-soft);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .post-detail-related-card {
    background: var(--color-white);
    border-color: var(--color-border);
}

/* Responsive */
@media (max-width: 1023px) {
    .post-detail-hero {
        height: 320px;
    }

    .post-detail-title {
        font-size: 32px;
    }

    .post-detail-content-wrapper {
        padding: 48px 20px;
    }

    .post-detail-excerpt {
        font-size: 18px;
    }

    .post-detail-content {
        font-size: 16px;
    }

    .post-detail-related-title {
        font-size: 28px;
    }

    .post-detail-related-grid {
        grid-template-columns: 1fr;
    }
}