.root {
  display: flex;
  flex-direction: column;
}

.root:not([data-expanded]) {
  contain: size layout;
  height: calc(24px + var(--dsh-content-font-delta, 0px));
}

.row {
  overflow: hidden;
}

/* The uncapped body scrolls with the conversation; keep its collapse toggle
   reachable. Compact Markdown code banners stay in flow below this header. */
.root[data-expanded] [data-open] [data-disclosure-header] {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--dsw-alias-bg-base);
}

.leading {
  flex-shrink: 0;
}

.title {
  font-weight: 400;
}

.separator {
  flex: none;
  width: 2px;
  height: 2px;
  margin: 0 8px;
  border-radius: 1px;
  background: var(--dsw-alias-label-caption);
}

/* Think text reads the secondary tier — one step under the body size
   (setting −1 at ≤14, setting −2 above), shared with every flow-row title
   and summary. */
.summary {
  min-width: 0;
  overflow: hidden;
  flex: 1 1 auto;
  font-size: var(--dsh-content-font-size-secondary, 13px);
  line-height: calc(20px + var(--dsh-content-font-delta-secondary, 0px));
  white-space: nowrap;
}

.summaryText {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}

.summary[data-streaming] {
  mask-image: linear-gradient(to right, black calc(100% - 48px), transparent);
}

.summary[data-streaming] .summaryText {
  overflow: visible;
  text-overflow: clip;
}

.root:not([data-preview]) .separator,
.root:not([data-preview]) .summary {
  display: none;
}

.thinkBody {
  /* Indent under the title, which starts at leading (16 + delta) + gap 6. */
  padding: 4px 0 4px calc(22px + var(--dsh-content-font-delta, 0px));
  min-width: 0;
}