body {
    background-color: #f8f9fa;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
}

.card-header {
    background-color: #fff;
    border-bottom: 2px solid #dee2e6;
}

.table-responsive {
    min-height: 400px;
}

/* DataTables styling enhancements */
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_processing,
.dataTables_wrapper .dataTables_paginate {
    color: #212529;
    margin-top: 1rem;
}

.dataTables_wrapper .dataTables_filter input {
    margin-left: 0.5em;
    border-radius: 0.25rem;
}

.dataTables_wrapper .dataTables_length select {
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
}

/* Tab styling */
.nav-tabs .nav-link {
    color: #495057;
    font-weight: 500;
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    font-weight: 600;
}

/* Table styling */
table.dataTable thead th {
    background-color: #f8f9fa;
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
}

table.dataTable tbody tr:hover {
    background-color: #f1f3f5;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container-fluid {
        padding: 0.5rem;
    }

    .card {
        margin-top: 1rem;
    }
}