/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .search-title {
        font-size: 2rem;
    }
    
    .users-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .filter-options {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-select {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .header, .search-header, .users-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .users-grid {
        grid-template-columns: 1fr;
    }
    
    .user-actions {
        flex-direction: column;
    }
}