/* Chengyu study layer for corpus reading.
   Yellow = a structured provenance record has been mapped back to this work and
   the form was found at this exact corpus offset.
   Aqua = a known Chengyu form occurs here; this is a usage-discovery aid and
   does not claim that the writer intended the idiomatic sense. */

.corpus-textflow .cch.chengyu-confirmed-source {
  background: #ffe36e;
  color: #111 !important;
  border-radius: 0.12em;
  scroll-margin: 7rem;
}

.corpus-textflow.show-chengyu-usages .cch.chengyu-possible-use:not(.chengyu-confirmed-source) {
  background: #8de8ef;
  color: #111 !important;
  border-radius: 0.12em;
}

.chengyu-highlight-options {
  display: grid;
  gap: 0.45rem;
}

.chengyu-highlight-legend {
  display: grid;
  gap: 0.3rem;
  font-size: 0.82rem;
  line-height: 1.35;
}

.chengyu-highlight-legend__item {
  display: flex;
  gap: 0.45rem;
  align-items: flex-start;
}

.chengyu-highlight-swatch {
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 1.1rem;
  margin-top: 0.05rem;
  border: 1px solid color-mix(in srgb, currentColor 25%, transparent);
  border-radius: 0.18rem;
}

.chengyu-highlight-swatch--confirmed {
  background: #ffe36e;
}

.chengyu-highlight-swatch--possible {
  background: #8de8ef;
}