.invoice_inquiry .widget-content > .row {
    display: flex;
    flex-wrap: nowrap;
}

.invoice_inquiry .manage-invoices-section {
    flex-shrink: 0;
}

.invoice_inquiry .invoice-details-section {
    flex: 1;
    min-width: 0;
    overflow-x: auto; 
}

.invoice_inquiry .panel-body .row,
.invoice_inquiry .invoice-filters .row {
    display: block !important;
}

@media (max-width: 767px) {
    .invoice_inquiry .widget-content > .row {
        display: block;
    }
    
    .invoice_inquiry .manage-invoices-section,
    .invoice_inquiry .invoice-details-section {
        flex: none;
        min-width: auto;
        overflow-x: visible;
    }
}