/* Duration rows: sign, value, remove. */
.hc-row { display: grid; grid-template-columns: 132px minmax(0, 1fr) 44px; gap: 8px; align-items: center; }
.hc-row .hc-del { min-height: 44px; padding: 0; justify-content: center; }
.hc-row input[aria-invalid='true'] { border-color: var(--err); }
.hc-card { display: grid; gap: 12px; align-content: start; }
.hc-card h3 { margin: 0; font-size: 1rem; }