:root {
    --primary-color: #2563eb;
    --primary-light: #dbeafe;
    --secondary-color: #3b82f6;
    --accent-color: #ef4444;
    --accent-light: #fee2e2;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --text-color: #334155;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--light-color);
    line-height: 1.6;
}

.catalog-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.catalog-header {
    margin-bottom: 30px;
    text-align: center;
}

.catalog-header h1 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 12px;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.025em;
}

.search-description {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.search-bar {
    margin: 20px auto 30px;
    max-width: 600px;
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 15px 25px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 1rem;
    box-shadow: var(--box-shadow-md);
    transition: var(--transition);
    padding-right: 60px;
    background-color: white;
    -webkit-appearance: none;
    appearance: none;
}

.search-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.search-submit {
    position: absolute;
    right: 6px;
    top: 6px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(37, 99, 235, 0.3);
}

.search-submit:hover {
    background: linear-gradient(to right, #1d4ed8, #2563eb);
    transform: scale(1.05);
    box-shadow: 0 3px 8px rgba(37, 99, 235, 0.4);
}

.search-submit i {
    font-size: 1.1rem;
}

.search-tip {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -25px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.85rem;
    pointer-events: none;
    opacity: 0.8;
}

.view-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.view-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.view-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    background-color: white;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--box-shadow-md);
    text-align: center;
}

.view-button:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.view-button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.view-button i {
    font-size: 1rem;
}

.filter-text, .view-text {
    display: inline;
}

.search-form {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    border: 1px solid rgba(226, 232, 240, 0.7);
    animation: fadeIn 0.3s ease-out;
}

.filter-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.filter-row:last-child {
    margin-bottom: 0;
}

.filter-row select,
.filter-row input {
    flex: 1 1 auto;
    min-width: 120px;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    background-color: white;
    transition: var(--transition);
    font-family: var(--font-sans);
    color: var(--text-color);
}

.filter-row select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}

.filter-row input::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

.filter-row select:focus,
.filter-row input:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.price-range {
    display: flex;
    align-items: center;
    flex: 2 1 auto;
    min-width: 200px;
    gap: 6px;
}

.price-range input {
    flex: 1;
    min-width: 80px;
}

.range-separator {
    color: var(--text-light);
    font-weight: 500;
    padding: 0 4px;
}

.search-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
    margin-left: auto;
    min-width: 140px;
    height: 44px;
    flex: 1 1 auto;
}

.search-button:hover {
    background: linear-gradient(to right, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.25);
}

.reset-button {
    background: var(--accent-color) !important;
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.2) !important;
}

.reset-button:hover {
    background: #dc2626 !important;
    box-shadow: 0 6px 12px rgba(239, 68, 68, 0.25) !important;
}

.search-button i {
    font-size: 1.1rem;
}

.search-messages {
    margin-bottom: 25px;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-info {
    background-color: #e0f2fe;
    color: #0369a1;
    border-left: 4px solid #0ea5e9;
}

.ads-container {
    margin-bottom: 40px;
    animation: fadeIn 0.6s ease-out forwards;
}

.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.ads-list {
    display: none;
}

.ads-compact {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.ad-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(226, 232, 240, 0.7);
    display: flex;
    flex-direction: column;
}

.ad-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.ad-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ad-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.ad-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.95rem;
    flex-direction: column;
}

.no-image i {
    font-size: 1.8rem;
    margin-bottom: 8px;
    opacity: 0.5;
}

.ad-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(30, 41, 59, 0.9);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 1;
    backdrop-filter: blur(4px);
}

.ad-date {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(30, 41, 59, 0.9);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 1;
    backdrop-filter: blur(4px);
}

.ad-content {
    padding: 16px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ad-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 40px;
}

.ad-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.ad-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
}

.ad-meta span {
    display: inline-flex;
    align-items: center;
    background: var(--primary-light);
    padding: 3px 8px;
    border-radius: 20px;
    color: var(--primary-color);
    font-weight: 500;
}

.ad-meta i {
    margin-right: 4px;
    font-size: 0.8rem;
}

/* List view styles */
.ad-list-item {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(226, 232, 240, 0.7);
    margin-bottom: 12px;
}

.ad-list-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.list-item-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.list-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.ad-list-item:hover .list-item-image img {
    transform: scale(1.03);
}

.list-item-content {
    padding: 16px;
}

.list-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.list-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.list-item-meta span {
    display: inline-flex;
    align-items: center;
    background: var(--primary-light);
    padding: 3px 8px;
    border-radius: 20px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.8rem;
}

.list-item-meta i {
    margin-right: 4px;
    font-size: 0.75rem;
}

.list-item-date {
    color: var(--text-light);
    font-size: 0.8rem;
    text-align: right;
}

/* Compact view styles */
.ad-compact-item {
    background-color: white;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--box-shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(226, 232, 240, 0.7);
}

.ad-compact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.compact-item-image {
    width: 100%;
    height: 100px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.compact-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.ad-compact-item:hover .compact-item-image img {
    transform: scale(1.05);
}

.compact-item-content {
    padding: 10px;
}

.compact-item-content .ad-title {
    font-size: 0.95rem;
    margin-bottom: 6px;
    min-height: auto;
    -webkit-line-clamp: 1;
}

.compact-item-content .ad-price {
    font-size: 1rem;
    margin-bottom: 0;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 15px;
}

.no-results-message {
    max-width: 500px;
    margin: 0 auto;
    padding: 30px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.no-results-message i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: inline-block;
    opacity: 0.8;
}

.no-results-message h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.no-results-message p {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Пагинация */
.pagination-container {
    margin: 30px 0;
    text-align: center;
}

.pagination {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background-color: #f8fafc;
    color: #334155;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    text-decoration: none;
}

.page-link:hover:not(.disabled):not(.active) {
    background-color: #dbeafe;
    border-color: #3b82f6;
    color: #2563eb;
    transform: translateY(-2px);
}

.page-link.active {
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: white;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.page-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f8fafc;
}

.page-link i {
    font-size: 15px;
}

.pagination-info {
    font-size: 13px;
    color: #64748b;
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивность */
@media (max-width: 992px) {
    .container {
        padding: 0 12px;
    }
    
    .catalog-header h1 {
        font-size: 1.8rem;
    }
    
    .search-form {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .catalog-section {
        padding: 30px 0;
    }
    
    .view-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .view-options {
        width: 100%;
        justify-content: space-between;
    }
    
    .view-button {
        width: 30%;
        padding: 8px;
    }
    
    #toggle-filters {
        width: 100%;
        order: -1;
        margin-bottom: 10px;
    }
    
    .price-range {
        min-width: 100%;
    }
    
    .search-button {
        min-width: 100%;
        margin-left: 0;
    }
    
    .ads-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .ads-compact {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .ad-image {
        height: 160px;
    }
    
    .list-item-image {
        height: 200px;
    }
}

@media (max-width: 576px) {
    .catalog-header h1 {
        font-size: 1.6rem;
    }
    
    .search-bar {
        margin: 15px auto 25px;
    }
    
    .search-input {
        padding: 16px 20px;
        font-size: 1.05rem;
    }
    
    .search-submit {
        width: 44px;
        height: 44px;
        right: 4px;
        top: 4px;
    }
    
    .search-submit i {
        font-size: 1.2rem;
    }
    
    .search-tip {
        font-size: 0.8rem;
        bottom: -22px;
    }
    
    .filter-row input,
    .filter-row select {
        min-width: 100%;
        padding: 14px 16px;
    }
    
    .view-options .view-button {
        font-size: 0;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        padding: 0;
    }
    
    .view-options .view-button i {
        font-size: 1rem;
        margin: 0;
    }
    
    .filter-text, .view-text {
        display: none;
    }
    
    .ad-image {
        height: 160px;
    }
    
    .compact-item-image {
        height: 90px;
    }
    
    .page-link {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }
    
    .first-page, .last-page {
        display: none;
    }
}

@media (max-width: 400px) {
    .search-input {
        padding: 14px 18px;
    }
    
    .search-submit {
        width: 42px;
        height: 42px;
    }
    
    .ads-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .ads-compact {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .ad-title {
        font-size: 1.05rem;
    }
    
    .ad-price {
        font-size: 1.15rem;
    }
    
    .no-results-message {
        padding: 20px;
    }
    
    .no-results-message i {
        font-size: 2.5rem;
    }
    
    .no-results-message h3 {
        font-size: 1.2rem;
    }
    
    .no-results-message p {
        font-size: 0.95rem;
    }
}