/* Add these styles to your existing CSS */
.filter-form {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.filter-form .form-group {
    margin-bottom: 0;
}

.btn.export {
    background-color: #27ae60;
}

.btn.export:hover {
    background-color: #219653;
}

.user-summary {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.user-summary h3 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

@media (max-width: 768px) {
    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .summary-stats {
        grid-template-columns: 1fr;
    }
}