/* Responsive */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-main ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .search-filters {
        grid-template-columns: 1fr;
    }
    
    .search-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .listings-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .map-view {
        height: 400px;
    }
    
    .listing-card.list-view {
        flex-direction: column;
        height: auto;
    }
    
    .listing-card.list-view .listing-img {
        width: 100%;
        height: 200px;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .subcategory-grid {
        grid-template-columns: 1fr;
        margin-left: 0;
    }
    
    .view-options {
        width: 100%;
        justify-content: center;
    }

    /* Адаптив для чатов */
    .chat-container {
        flex-direction: column;
        height: 500px;
    }

    .dialogs-sidebar {
        width: 100%;
        height: 200px;
        border-right: none;
        border-bottom: 1px solid #eee;
    }

    .chat-window {
        flex: 1;
    }

    .message {
        max-width: 85%;
    }
}