.pg-input-row { display: flex; gap: 10px; }
.pg-input-row .input { flex: 1; }
.pg-unit { flex: none; width: 130px; }
.unit-ref { font-size: 13.5px; color: var(--mut); line-height: 1.7; margin-top: 18px; }

@media (max-width: 560px) {
  .pg-unit { width: 112px; }
}