.articletext .readable-figure {
  container-type: inline-size;
  margin: 1.25rem 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  background: #f5f7fb;
  border-top: 3px solid var(--blue);
  color: var(--ink);
}

.readable-figure .diagram-heading {
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.2;
  text-wrap: balance;
}

.articletext .readable-figure .diagram-intro {
  margin: .45rem 0 1rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.articletext .readable-figure .diagram-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: #d7dde6;
  list-style: none;
}

.articletext .diagram-steps > li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  min-width: 0;
  margin: 0;
  padding: .7rem .85rem;
  background: #fff;
  font-size: 1rem;
  line-height: 1.4;
}

.diagram-steps .diagram-number {
  min-width: 1.6rem;
  color: var(--blue);
  font-size: .875rem;
  line-height: 1.6rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.diagram-steps strong,
.diagram-steps .diagram-detail {
  display: block;
}

.diagram-steps .diagram-detail {
  margin-top: .18rem;
  color: #384457;
}

.articletext .readable-figure .diagram-qualification {
  margin: .95rem 0 .6rem;
  font-size: 1rem;
  line-height: 1.5;
}

.readable-figure .diagram-controls {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  border-top: 1px solid #c9d3e1;
  font-size: 1rem;
}

.readable-figure .diagram-original[open] {
  width: 100%;
}

.readable-figure .diagram-original summary,
.readable-figure .diagram-fullsize {
  min-height: 44px;
  padding: .65rem 0;
  color: var(--blue);
  font-weight: 600;
  line-height: 1.45;
}

.readable-figure .diagram-original summary {
  width: fit-content;
  cursor: pointer;
}

.readable-figure .diagram-fullsize {
  text-decoration: underline;
  text-underline-offset: .18em;
}

.articletext .readable-figure .diagram-original img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: none;
  margin-inline: auto;
}

.articletext .readable-figure.portrait .diagram-original img {
  max-width: 32rem;
}

.articletext .readable-figure .diagram-caption {
  margin: .5rem 0;
  font-size: 1rem;
  line-height: 1.5;
}

@container (min-width: 32rem) {
  .articletext .readable-figure .diagram-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .readable-figure .diagram-steps > li:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}