@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .header {
        padding: 20px 15px;
        margin-bottom: 20px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .header .subtitle {
        font-size: 1rem;
    }
    
    .filters-container {
        padding: 20px 15px;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .results-info {
        flex-direction: column;
        align-items: stretch;
        padding: 15px;
    }
    
    .sort-controls {
        justify-content: center;
    }
    
    .sort-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
    
    .thumbnail-container {
        height: 160px;
    }
    
    .video-info {
        padding: 15px;
    }
    
    .meta-info {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .pagination {
        gap: 5px;
    }
    
    .page-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .filter-actions {
        flex-direction: column;
    }
    
    .sort-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .thumbnail-container {
        height: 140px;
    }
}