/**
 * Catalog Optimized Styles
 * Modern catalog implementation following GET CID Design System
 * Based on design-system.css tokens and Carbon Design principles
 */

/* ==========================================================================
   Catalog Layout Foundation
   ========================================================================== */

.catalog-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    background-color: var(--cid-background);
    min-height: 100vh;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--cid-spacing-06);
    padding: var(--cid-spacing-05);
    max-width: 1400px;
    margin: 0 auto;
}

.catalog-content {
    min-width: 0; /* Prevents grid overflow */
}

/* ==========================================================================
   Page Header
   ========================================================================== */

.catalog-header {
    text-align: center;
    padding: var(--cid-spacing-08) var(--cid-spacing-05);
    background: linear-gradient(135deg, var(--cid-primary-light) 0%, var(--cid-background) 100%);
    margin-bottom: var(--cid-spacing-06);
}

.catalog-header h1 {
    font-size: var(--cid-text-heading-04);
    font-weight: var(--cid-font-weight-semibold);
    color: var(--cid-text-primary);
    margin-bottom: var(--cid-spacing-03);
    line-height: var(--cid-line-height-heading);
}

.catalog-header p {
    font-size: var(--cid-text-body-01);
    color: var(--cid-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Catalog Controls
   ========================================================================== */

.catalog-controls {
    display: flex;
    align-items: center;
    gap: var(--cid-spacing-05);
    margin-bottom: var(--cid-spacing-06);
    padding: var(--cid-spacing-05);
    background-color: var(--cid-background-alt);
    border-radius: var(--cid-border-radius-md);
    border: 1px solid var(--cid-border-subtle);
}

.search-form {
    flex: 1;
    position: relative;
}

.search-container {
    position: relative;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: var(--cid-spacing-04) var(--cid-spacing-05);
    padding-right: 3rem;
    border: 1px solid var(--cid-border-subtle);
    border-radius: var(--cid-border-radius-md);
    font-size: var(--cid-text-body-01);
    transition: all var(--cid-transition-fast);
    background-color: var(--cid-background);
}

.search-input:focus {
    outline: 2px solid var(--cid-primary);
    outline-offset: 2px;
    border-color: var(--cid-primary);
    box-shadow: var(--cid-shadow-focus);
}

.search-btn {
    position: absolute;
    right: var(--cid-spacing-03);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--cid-text-secondary);
    cursor: pointer;
    padding: var(--cid-spacing-02);
    border-radius: var(--cid-border-radius-sm);
    transition: color var(--cid-transition-fast);
}

.search-btn:hover {
    color: var(--cid-primary);
}

/* ==========================================================================
   Product Grid
   ========================================================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--cid-spacing-06);
    margin-bottom: var(--cid-spacing-08);
}

/* ==========================================================================
   Product Cards
   ========================================================================== */

.product-card {
    background-color: var(--cid-background);
    border: 1px solid var(--cid-border-subtle);
    border-radius: var(--cid-border-radius-lg);
    overflow: hidden;
    transition: all var(--cid-transition-medium);
    position: relative;
    height: fit-content;
}

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

.product-card:focus-within {
    outline: 2px solid var(--cid-primary);
    outline-offset: 2px;
}

/* Product Image Container */
.product-image {
    height: 200px;
    background: var(--cid-background-alt);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--cid-transition-medium);
}

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

/* Fallback logo for products without images */
.product-logo {
    font-size: 4rem;
    color: var(--cid-primary);
    opacity: 0.8;
    transition: opacity var(--cid-transition-fast);
}

.product-card:hover .product-logo {
    opacity: 1;
}

/* Product Info Section */
.product-info {
    padding: var(--cid-spacing-05);
}

.product-title {
    font-size: var(--cid-text-heading-02);
    font-weight: var(--cid-font-weight-semibold);
    color: var(--cid-text-primary);
    margin-bottom: var(--cid-spacing-03);
    line-height: var(--cid-line-height-heading);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    font-size: var(--cid-text-body-01);
    color: var(--cid-text-secondary);
    line-height: var(--cid-line-height-body);
    margin-bottom: var(--cid-spacing-04);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: var(--cid-text-heading-03);
    font-weight: var(--cid-font-weight-semibold);
    color: var(--cid-primary);
    margin-bottom: var(--cid-spacing-04);
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: var(--cid-spacing-03);
    padding: 0 var(--cid-spacing-05) var(--cid-spacing-05);
}

.btn-primary {
    flex: 1;
    padding: var(--cid-spacing-04) var(--cid-spacing-05);
    background-color: var(--cid-primary);
    color: var(--cid-text-inverse);
    border: none;
    border-radius: var(--cid-border-radius-md);
    font-size: var(--cid-text-body-01);
    font-weight: var(--cid-font-weight-medium);
    cursor: pointer;
    transition: all var(--cid-transition-fast);
    text-decoration: none;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background-color: var(--cid-primary-hover);
    transform: translateY(-1px);
}

.btn-primary:active {
    background-color: var(--cid-primary-active);
    transform: translateY(0);
}

/* ==========================================================================
   Mobile Filter Button
   ========================================================================== */

.mobile-filter-btn {
    display: none;
    position: fixed;
    bottom: var(--cid-spacing-05);
    right: var(--cid-spacing-05);
    z-index: 1000;
    background-color: var(--cid-primary);
    color: var(--cid-text-inverse);
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    box-shadow: var(--cid-shadow-lg);
    cursor: pointer;
    transition: all var(--cid-transition-fast);
}

.mobile-filter-btn:hover {
    background-color: var(--cid-primary-hover);
    transform: scale(1.1);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading-skeleton {
    background: linear-gradient(90deg, var(--cid-background-alt) 25%, var(--cid-gray-20) 50%, var(--cid-background-alt) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--cid-border-radius-md);
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.loading-card {
    background-color: var(--cid-background);
    border: 1px solid var(--cid-border-subtle);
    border-radius: var(--cid-border-radius-lg);
    overflow: hidden;
}

.loading-image {
    height: 200px;
    background-color: var(--cid-background-alt);
}

.loading-content {
    padding: var(--cid-spacing-05);
}

.loading-title {
    height: 1.5rem;
    background-color: var(--cid-gray-30);
    border-radius: var(--cid-border-radius-sm);
    margin-bottom: var(--cid-spacing-03);
}

.loading-text {
    height: 1rem;
    background-color: var(--cid-gray-20);
    border-radius: var(--cid-border-radius-sm);
    margin-bottom: var(--cid-spacing-02);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state-container {
    text-align: center;
    padding: var(--cid-spacing-09) var(--cid-spacing-05);
}

.empty-state-icon {
    width: 4rem;
    height: 4rem;
    color: var(--cid-primary);
    margin: 0 auto var(--cid-spacing-05);
    opacity: 0.7;
}

.empty-state-title {
    font-size: var(--cid-text-heading-03);
    font-weight: var(--cid-font-weight-semibold);
    color: var(--cid-text-primary);
    margin-bottom: var(--cid-spacing-03);
}

.empty-state-message {
    font-size: var(--cid-text-body-01);
    color: var(--cid-text-secondary);
    max-width: 400px;
    margin: 0 auto var(--cid-spacing-06);
    line-height: var(--cid-line-height-body);
}

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

/* Tablet */
@media (max-width: 992px) {
    .catalog-layout {
        grid-template-columns: 280px 1fr;
        gap: var(--cid-spacing-05);
        padding: var(--cid-spacing-04);
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--cid-spacing-05);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .catalog-layout {
        grid-template-columns: 1fr;
        padding: var(--cid-spacing-03);
    }
    
    /* Sidebar styles moved to sidebar_improved.css */
    
    .mobile-filter-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--cid-spacing-04);
    }
    
    .catalog-controls {
        flex-direction: column;
        gap: var(--cid-spacing-04);
    }
    
    .search-container {
        max-width: 100%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--cid-spacing-04);
    }
    
    .catalog-header {
        padding: var(--cid-spacing-06) var(--cid-spacing-03);
    }
    
    .catalog-header h1 {
        font-size: var(--cid-text-heading-03);
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .mobile-filter-btn,
    .sidebar-modern {
        display: none !important;
    }
    
    .catalog-layout {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ==========================================================================
   Category-Specific Enhancements
   ========================================================================== */

/* Windows Products */
.product-card.windows .product-image {
    background: linear-gradient(135deg, #0078d4 0%, #40e0d0 100%);
}

/* Office Products */
.product-card.office .product-image {
    background: linear-gradient(135deg, #ea4300 0%, #ff6600 100%);
}

/* Adobe Products */
.product-card.adobe .product-image {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
}

/* Autodesk Products */
.product-card.autodesk .product-image {
    background: linear-gradient(135deg, #0696d7 0%, #0080c7 100%);
}

/* Server Products */
.product-card.server .product-image {
    background: linear-gradient(135deg, #5e2750 0%, #7a3460 100%);
}

/* Antivirus Products */
.product-card.antivirus .product-image {
    background: linear-gradient(135deg, #2e7d32 0%, #4caf50 100%);
}

/* ==========================================================================
   Performance Optimizations
   ========================================================================== */

/* Enable hardware acceleration for smooth animations */
.product-card,
.product-image img,
.mobile-filter-btn {
    will-change: transform;
    transform: translateZ(0);
}

/* Optimize for reduced motion */
@media (prefers-reduced-motion: reduce) {
    .product-card,
    .product-image img,
    .btn-primary,
    .mobile-filter-btn {
        transition: none;
        animation: none;
    }
    
    .product-card:hover {
        transform: none;
    }
    
    .product-card:hover .product-image img {
        transform: none;
    }
}

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

.pagination-nav {
    margin-top: var(--cid-spacing-08);
    padding: var(--cid-spacing-05) 0;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cid-spacing-05);
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    gap: var(--cid-spacing-02);
    padding: var(--cid-spacing-03) var(--cid-spacing-05);
    background-color: var(--cid-background);
    border: 1px solid var(--cid-border-subtle);
    border-radius: var(--cid-border-radius-md);
    color: var(--cid-text-primary);
    text-decoration: none;
    font-size: var(--cid-text-body-01);
    font-weight: var(--cid-font-weight-medium);
    transition: all var(--cid-transition-fast);
}

.pagination-link:hover {
    background-color: var(--cid-primary);
    color: var(--cid-text-inverse);
    border-color: var(--cid-primary);
    transform: translateY(-1px);
}

.pagination-link:focus {
    outline: 2px solid var(--cid-primary);
    outline-offset: 2px;
}

.pagination-info {
    font-size: var(--cid-text-body-01);
    color: var(--cid-text-secondary);
    font-weight: var(--cid-font-weight-medium);
}

/* ==========================================================================
   Product Meta and Badges
   ========================================================================== */

.product-meta {
    margin-bottom: var(--cid-spacing-03);
}

.product-category {
    display: inline-flex;
    align-items: center;
    gap: var(--cid-spacing-02);
    font-size: var(--cid-text-caption-01);
    color: var(--cid-text-secondary);
}

.product-badge {
    position: absolute;
    top: var(--cid-spacing-03);
    right: var(--cid-spacing-03);
    padding: var(--cid-spacing-02) var(--cid-spacing-03);
    border-radius: var(--cid-border-radius-md);
    font-size: var(--cid-text-caption-01);
    font-weight: var(--cid-font-weight-semibold);
    display: inline-flex;
    align-items: center;
    gap: var(--cid-spacing-01);
}

.badge-featured {
    background-color: var(--cid-primary);
    color: var(--cid-text-inverse);
}

.price-on-request {
    color: var(--cid-text-secondary);
    font-style: italic;
}

/* ==========================================================================
   Sort Controls
   ========================================================================== */

.sort-controls {
    display: flex;
    align-items: center;
}

.sort-select {
    padding: var(--cid-spacing-03) var(--cid-spacing-04);
    border: 1px solid var(--cid-border-subtle);
    border-radius: var(--cid-border-radius-md);
    background-color: var(--cid-background);
    color: var(--cid-text-primary);
    font-size: var(--cid-text-body-01);
    cursor: pointer;
    transition: all var(--cid-transition-fast);
}

.sort-select:focus {
    outline: 2px solid var(--cid-primary);
    outline-offset: 2px;
    border-color: var(--cid-primary);
}

.sort-select:hover {
    border-color: var(--cid-primary);
}

/* ==========================================================================
   Sidebar Overlay
   ========================================================================== */

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--cid-transition-medium);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Screen Reader Only Class
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}