.characteristic-field { border: 1px solid #dde2d7; border-radius: 12px; padding: 16px; margin: 14px 0; }
.characteristic-field legend { font-weight: 650; padding: 0 6px; }
.characteristic-value { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(120px, .45fr) auto; gap: 10px; align-items: end; margin: 8px 0; }
.characteristic-value input, .characteristic-value select { width: 100%; }
.characteristic-field > .text-button { margin-top: 8px; }
@media (max-width: 700px) { .characteristic-value { grid-template-columns: 1fr; } }