body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card {
    border-radius: 15px;
}

.btn-primary {
    background-color: #667eea;
    border-color: #667eea;
}

.btn-primary:hover {
    background-color: #5a6fd8;
    border-color: #5a6fd8;
}

.navbar-brand {
    font-weight: bold;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.dataTables_wrapper .dataTables_filter input {
    border-radius: 0.375rem;
    border: 1px solid #ced4da;
    padding: 0.375rem 0.75rem;
}

.dataTables_wrapper .dt-buttons {
    float: right;
}

.dataTables_wrapper .dataTables_length select {
    border-radius: 0.375rem;
    border: 1px solid #ced4da;
    padding: 0.35rem 0.75rem;
}