/* =============================================
   PRODUCTS PAGE STYLES
   ============================================= */

/* Product Filter Bar */
.product-filter-section {
    background: var(--white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 65px;
    z-index: 50;
}

.product-filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-size: 0.875rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.filter-select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    min-width: 140px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
}

.filter-results {
    margin-left: auto;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.filter-results strong {
    color: var(--primary);
}

@media (max-width: 768px) {
    .product-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .filter-select {
        flex: 1;
    }

    .filter-results {
        margin-left: 0;
        text-align: center;
    }
}

/* Product Cards Enhancement */
.product-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.product-card.hidden {
    display: none;
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--gray-50);
    overflow: hidden;
}

.product-image a {
    display: block;
    width: 100%;
    height: 100%;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-lg);
    transition: transform var(--transition-slow);
}

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

.product-badges {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    gap: var(--spacing-xs);
}

.badge-cert {
    padding: 0.25rem 0.625rem;
    background: var(--primary);
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.product-compare-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.product-card:hover .product-compare-btn {
    opacity: 1;
    transform: translateY(0);
}

.product-compare-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.product-compare-btn.active {
    opacity: 1;
    transform: translateY(0);
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.product-body {
    padding: var(--spacing-lg);
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.product-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
}

.product-model {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-family: var(--font-mono, monospace);
}

.product-title {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.product-title a {
    color: var(--text-primary);
}

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

.product-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding: 0.375rem 0.625rem;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.spec-item svg {
    color: var(--primary);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.product-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Compare Bar */
.compare-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-md) 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 200;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.compare-bar.visible {
    transform: translateY(0);
}

.compare-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.compare-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.compare-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    font-weight: 700;
    border-radius: var(--radius-full);
}

/* No Results Message */
.no-results {
    text-align: center;
    padding: var(--spacing-3xl);
}

.no-results-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: var(--gray-300);
}

.no-results h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--text-secondary);
}

/* Product Category Cards Enhancement */
.category-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-base);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.category-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.category-card:hover .category-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.category-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.category-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.category-count {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.category-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-50);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.category-card:hover .category-arrow {
    background: var(--primary);
    color: var(--white);
}

/* Responsive */
@media (max-width: 1024px) {
    .product-filter-section {
        top: 60px;
    }
}

@media (max-width: 768px) {
    .product-compare-btn {
        opacity: 1;
        transform: none;
    }

    .compare-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .product-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}