body {
    background-color: #f8f9fa;
    padding-top: 20px;
}

.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 10px 10px 0 0 !important;
    padding: 1.5rem;
}

.card-body {
    padding: 2rem;
}

.table th {
    border-top: none;
    background-color: #f8f9fa;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: #6c757d;
}

.table td {
    vertical-align: middle;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.alert {
    border-radius: 8px;
}

.form-control, .form-select {
    border-radius: 8px;
    padding: 10px 15px;
    border: 1px solid #dee2e6;
}

.btn {
    border-radius: 8px;
    padding: 8px 20px;
    font-weight: 500;
}

.dataTables_filter input {
    width: 300px !important;
    height: 46px;
    font-size: 1rem;
    margin-left: 10px;
}

.dataTables_length select {
    width: 80px !important;
    display: inline-block !important;
    margin: 0 10px;
}

.dataTables_wrapper .row {
    margin-bottom: 20px;
}

.pagination .page-item .page-link {
    border-radius: 8px;
    margin: 0 3px;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-header a {
        margin-top: 10px;
        width: 100%;
    }
    
    .dataTables_filter input {
        width: 100% !important;
        margin-left: 0;
        margin-top: 10px;
    }
    
    .dataTables_length {
        margin-bottom: 15px;
    }
}