/* Modern Catalog with Theme Support */
/* Enhanced glass components and responsive design */

/* Catalog Container */
.modern-catalog {
    min-height: 100vh;
    padding: 2rem;
    background: var(--theme-bg-primary);
    transition: var(--theme-transition);
}

/* Градиенты для темной темы */
.modern-catalog[data-theme="dark"] {
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    background-attachment: fixed;
    background-size: 100% 100%;
}

/* Градиенты для светлой темы - яркие и контрастные */
.modern-catalog[data-theme="light"] {
    background-image: 
        radial-gradient(circle at 25% 75%, rgba(255, 99, 132, 0.6) 0%, transparent 45%),
        radial-gradient(circle at 75% 25%, rgba(54, 162, 235, 0.6) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(255, 159, 64, 0.5) 0%, transparent 40%),
        radial-gradient(circle at 15% 35%, rgba(153, 102, 255, 0.7) 0%, transparent 35%),
        radial-gradient(circle at 85% 65%, rgba(255, 99, 255, 0.5) 0%, transparent 40%);
    background-attachment: fixed;
    background-size: 100% 100%;
}

/* Hero Section */
.catalog-hero {
    background: var(--theme-glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturation);
    border: 1px solid var(--theme-glass-border);
    border-radius: 32px;
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: 0 20px 60px var(--theme-shadow-light);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--theme-text-primary);
    background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--theme-text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

/* Enhanced Glass Search */
.glass-search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.glass-search-input {
    width: 100%;
    padding: 18px 60px 18px 24px;
    font-size: 16px;
    border-radius: 50px;
    background: var(--theme-glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturation);
    border: 1px solid var(--theme-glass-border);
    color: var(--theme-text-primary);
    transition: var(--theme-transition);
    box-shadow: 0 8px 32px var(--theme-shadow-light);
}

.glass-search-input:focus {
    outline: none;
    background: var(--theme-glass-hover);
    border-color: var(--theme-accent);
    box-shadow: 0 12px 40px var(--theme-shadow), 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.glass-search-icon {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--theme-text-muted);
    font-size: 18px;
    pointer-events: none;
}

.glass-search-clear {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--theme-glass-bg);
    border: 1px solid var(--theme-glass-border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--theme-text-muted);
    cursor: pointer;
    transition: var(--theme-transition);
}

.glass-search-clear:hover {
    background: var(--theme-error);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

/* Filters Section */
.filters-section {
    background: var(--theme-glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturation);
    border: 1px solid var(--theme-glass-border);
    border-radius: 24px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 20px 60px var(--theme-shadow-light);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-label {
    color: var(--theme-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Price Inputs */
.price-inputs {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.price-input {
    flex: 1;
    padding: 12px 16px;
    font-size: 14px;
}

.price-separator {
    color: var(--theme-text-muted);
    font-weight: 500;
}

/* Filter Actions */
.filter-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
    justify-content: center;
}

.apply-btn {
    background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent-secondary));
    border-color: var(--theme-accent);
    color: white;
}

.apply-btn:hover {
    background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent-secondary));
    color: white;
}

.reset-btn {
    background: var(--theme-glass-bg);
    border-color: var(--theme-glass-border);
}

/* Results Section */
.results-section {
    margin-bottom: 2rem;
}

.results-info {
    background: var(--theme-glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturation);
    border: 1px solid var(--theme-glass-border);
    border-radius: 20px;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px var(--theme-shadow-light);
}

.results-text {
    color: var(--theme-text-primary);
    font-weight: 500;
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 8px 16px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 12px;
    transition: var(--theme-transition);
}

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

/* Items Grid */
.items-container {
    position: relative;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    transition: var(--theme-transition);
}

.items-grid.list-view {
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* Modern Item Card */
.modern-item-card {
    background: var(--theme-glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--theme-glass-border);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    transition: var(--theme-transition);
    box-shadow: 0 8px 32px var(--theme-shadow-light);
    display: flex;
    flex-direction: column;
    position: relative;
}

.modern-item-card:hover {
    background: var(--theme-glass-hover);
    box-shadow: 0 20px 60px var(--theme-shadow);
    transform: translateY(-4px);
}

.items-grid.list-view .modern-item-card {
    flex-direction: row;
    align-items: stretch;
}

/* Card Loading State */
.modern-item-card.loading {
    pointer-events: none;
}

.card-loading-skeleton {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--theme-bg-secondary) 25%,
        var(--theme-glass-bg) 50%,
        var(--theme-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    border-radius: 20px;
    z-index: 10;
}

/* Filter Loading Animation */
.filters-section.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 24px;
    z-index: 100;
}

.filters-section.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 2px solid var(--theme-accent);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 101;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Search Loading State */
.glass-search-container.loading .glass-search-icon {
    animation: pulse 1.5s infinite;
}

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

/* Image Container */
.item-image-container {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--theme-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.items-grid.list-view .item-image-container {
    width: 200px;
    height: 160px;
    flex-shrink: 0;
}

.item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--theme-transition);
    opacity: 0;
}

.item-image.loaded {
    opacity: 1;
}

.modern-item-card:hover .item-image {
    transform: scale(1.05);
}

/* Loading Skeleton for Images */
.image-loading-skeleton {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--theme-bg-secondary) 25%,
        var(--theme-glass-bg) 50%,
        var(--theme-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    border-radius: 0;
    z-index: 1;
}

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

.image-loading-skeleton.hidden {
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* Error State for Images */
.item-image-error {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--theme-bg-secondary);
    color: var(--theme-text-muted);
    font-size: 14px;
    gap: 0.5rem;
    z-index: 2;
}

.item-image-error i {
    font-size: 2rem;
    opacity: 0.5;
}

.item-no-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--theme-text-muted);
    font-size: 14px;
    gap: 0.5rem;
}

.item-no-image i {
    font-size: 2rem;
    opacity: 0.5;
}

/* Actions Overlay */
.item-actions-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--theme-transition);
}

.modern-item-card:hover .item-actions-overlay {
    opacity: 1;
    transform: translateY(0);
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--theme-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--theme-transition);
    font-size: 14px;
}

.action-btn:hover {
    background: var(--theme-accent);
    color: white;
    transform: scale(1.1);
}

/* Item Details */
.item-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid var(--theme-glass-border);
    position: relative;
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.item-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin: 0;
    line-height: 1.3;
    flex: 1;
}

.item-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--theme-accent);
    white-space: nowrap;
}

.item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.item-category, .item-location {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--theme-text-secondary);
}

.item-description {
    font-size: 0.9rem;
    color: var(--theme-text-secondary);
    line-height: 1.4;
    margin: 0;
}

.item-stats {
    display: flex;
    gap: 1rem;
    margin-top: auto;
    padding: 0.75rem 0 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--theme-text-muted);
}

/* Item Actions */
.item-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: auto;
}

.primary-btn {
    background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent-secondary));
    border-color: var(--theme-accent);
    color: white;
    flex: 1;
    justify-content: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px 16px;
    font-size: 0.9rem;
}

.secondary-btn, .contact-btn {
    padding: 10px 16px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    text-decoration: none;
    color: var(--theme-text-primary);
}

/* Card Animations */
.modern-item-card {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.modern-item-card.fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animation for multiple cards */
.modern-item-card:nth-child(1) { animation-delay: 0ms; }
.modern-item-card:nth-child(2) { animation-delay: 100ms; }
.modern-item-card:nth-child(3) { animation-delay: 200ms; }
.modern-item-card:nth-child(4) { animation-delay: 300ms; }
.modern-item-card:nth-child(5) { animation-delay: 400ms; }
.modern-item-card:nth-child(6) { animation-delay: 500ms; }

/* Results count animation */
.results-text {
    transition: all 0.3s ease;
}

.results-text.updating {
    opacity: 0.7;
    transform: scale(0.95);
}

/* Empty State */
.no-items-message {
    display: none;
    padding: 4rem 2rem;
    text-align: center;
}

.empty-state {
    background: var(--theme-glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturation);
    border: 1px solid var(--theme-glass-border);
    border-radius: 24px;
    padding: 3rem 2rem;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: 0 20px 60px var(--theme-shadow-light);
}

.empty-state i {
    font-size: 3rem;
    color: var(--theme-text-muted);
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--theme-text-primary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--theme-text-secondary);
    margin-bottom: 1.5rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    background: var(--theme-glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturation);
    border: 1px solid var(--theme-glass-border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    color: var(--theme-text-primary);
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--theme-accent);
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-catalog {
        padding: 1rem;
    }
    
    .catalog-hero {
        padding: 2rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .results-info {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1rem;
    }
    
    .items-grid.list-view .modern-item-card {
        flex-direction: column;
    }
    
    .items-grid.list-view .item-image-container {
        width: 100%;
        height: 200px;
    }
    
    .item-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .item-actions {
        flex-direction: column;
    }
}