/* Layout Structure */
.category-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    margin-bottom: 24px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin: 0 8px;
    color: var(--border-color);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Category Header */
.category-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
    border-radius: var(--border-radius);
    padding: 32px;
    margin-bottom: 32px;
    color: white;
    position: relative;
    overflow: hidden;
}

.category-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transform: translate(50px, -50px);
}

.category-header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.category-icon-header {
    width: 40px;
    height: 40px;
    background: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.category-title-header {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    line-height: 1.2;
}

.category-description {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
    line-height: 1.5;
}

/* Main Content Layout */
.category-content {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 32px;
    align-items: start;
}

/* Subcategory Sidebar */
.subcategory-sidebar {
    top: 20px;
}

.subcategory-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.subcategory-title {
    background: var(--background-color);
    padding: 20px;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.subcategory-nav {
    padding: 8px 0;
}

/* Enhanced Subcategory Items with Seamless Icon Integration */
.subcategory-item {
    display: flex;
    align-items: center;
    padding: 8px 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border-left: 4px solid transparent;
    position: relative;
}

.subcategory-item:hover {
    background-color: rgba(52, 152, 219, 0.15);
    border-left-color: var(--secondary-color);
    transform: translateX(4px);
}

.subcategory-item:active {
    background-color: rgba(52, 152, 219, 0.1);
}

/* Seamless Icon Integration */
.subcategory-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary-color), #5dade2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    margin-right: 16px;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
}

/* Icon connection effect */
.subcategory-icon::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--secondary-color);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    opacity: 0;
    transition: var(--transition);
}

.subcategory-item:hover .subcategory-icon {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.subcategory-item:hover .subcategory-icon::after {
    opacity: 1;
    right: -10px;
}

.subcategory-name {
    flex: 1;
    font-weight: 500;
    font-size: 15px;
    line-height: 1.4;
}

.subsubcategory-name {
    flex: 1;
    font-size: 15px;
    line-height: 1;
    padding-left: 20px;;
}

.subcategory-arrow {
    color: var(--text-secondary);
    font-size: 12px;
    transition: var(--transition);
    opacity: 0.6;
}

.subcategory-item:hover .subcategory-arrow {
    opacity: 1;
    transform: translateX(4px);
    color: var(--secondary-color);
}

/* Products Section */
.products-section {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 16px;
    box-shadow: var(--shadow-light);
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.products-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.sort-select {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.sort-select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    background: var(--background-color);
    border-radius: var(--border-radius);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .category-content {
        grid-template-columns: 280px 1fr;
        gap: 24px;
    }
    
    .category-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .category-page {
        padding: 16px;
    }
    
    .category-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .subcategory-sidebar {
        order: -1;
        position: static;
    }
    
    .category-header-content {
        text-align: center;
        gap: 16px;
    }
    
    .category-title {
        font-size: 1.8rem;
    }
    
    .subcategory-nav {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 8px;
        padding: 16px;
    }
    
    .subcategory-item {
        padding: 12px 16px;
        border-radius: 8px;
        border: 1px solid var(--border-color);
        border-left: 4px solid transparent;
    }
}

@media (max-width: 480px) {
    .category-title {
        font-size: 1.5rem;
    }
    
    .products-header {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    
    .subcategory-nav {
        grid-template-columns: 1fr;
    }
}

/* Loading and Animation States */
.subcategory-item.loading {
    opacity: 0.7;
    pointer-events: none;
}

.subcategory-item.loading .subcategory-icon {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Focus states for accessibility */
.subcategory-item:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .subcategory-sidebar {
        break-inside: avoid;
    }
    
    .subcategory-item {
        break-inside: avoid;
    }
}

/* Subcategory Page Specific Styles */
.subcategory-page .category-header {
    background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
}

.back-navigation {
    margin-bottom: 20px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 6px;
}

.back-link:hover {
    color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.category-meta {
    margin-top: 12px;
}

.parent-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    opacity: 0.8;
}

.products-section.full-width {
    grid-column: 1 / -1;
}

.view-toggle {
    display: flex;
    gap: 4px;
    margin-right: 16px;
}

.view-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.view-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.view-btn.active {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--background-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.active-filters {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-primary);
}

.filter-tag.active {
    background: var(--primary-color);
    border-color: var(--secondary-color);
    color: white;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.filter-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.all-categories-link {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.view-all-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
}

.view-all-link:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.product-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 2px dashed var(--border-color);
}

.placeholder-icon {
    font-size: 48px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.placeholder-icon i {
    opacity: 0.5;
}

.product-placeholder h3 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.product-placeholder p {
    margin: 0 0 20px 0;
    color: var(--text-secondary);
}

.load-products-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.load-products-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* List view for products */
.products-grid.view-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.products-grid.view-list .product-card {
    display: flex;
    align-items: center;
    padding: 16px;
}

.products-grid.view-list .product-image {
    width: 120px;
    height: 80px;
    margin-right: 16px;
    flex-shrink: 0;
}

.products-grid.view-list .product-info {
    flex: 1;
    padding: 0;
}