.dlg-proveedor .modal-content > form {
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 1rem);
    overflow: hidden;
}

.dlg-proveedor .modal-body {
    min-height: 0;
    overflow-y: auto;
}

.dlg-proveedor .modal-header,
.dlg-proveedor .modal-footer {
    flex-shrink: 0;
}

@media (min-width: 576px) {
    .dlg-proveedor .modal-content > form {
        max-height: calc(100vh - 3.5rem);
    }
}