.relative-name-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 20px;
    min-width: 0;
}
.relative-name-fields > select, .relative-name-fields > input { width: 100%; min-width: 0; }
.member_form .member_relation_field { grid-template-columns: minmax(0, 1fr); }