/* ==========================================================================
   COMPONENTS · INK KEY — the map legend printed as a figure key ("Fig. 1"):
   ink swatches + band thresholds + the hatch sample for no-data. Reads as the
   key on an engraved statistical plate, not a UI legend. Each item data-band.
   ========================================================================== */

.op-ink-key {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  align-items: center;
  font-family: var(--font-furniture);
  font-size: var(--text-2xs);
}

.op-ink-key__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.op-ink-key__swatch {
  inline-size: 1.1em;
  block-size: 1.1em;
  background: var(--bk-fill, var(--surface-sunken));
  border: 1px solid var(--bk-line, var(--rule-strong));
  border-radius: var(--radius-xs);
  flex: none;
}
/* no-data swatch is the hatch sample */
.op-ink-key__item[data-band="none"] .op-ink-key__swatch {
  background-color: var(--surface);
  background-image: var(--hatch-image);
}

.op-ink-key__band { color: var(--bk-ink, var(--text)); font-weight: var(--weight-semibold); }

.op-ink-key__range {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--text-muted);
  text-transform: none;
}