.trace-topbar {
  align-items: flex-start;
  margin: 1.7rem 0 1.45rem;
}

.trace-identity {
  display: grid;
  gap: 0.72rem;
}

.trace-compact-title {
  color: var(--trace-cyan);
  font-size: clamp(0.68rem, 1.5vw, 0.86rem);
  font-weight: 400;
  letter-spacing: clamp(0.12em, 0.9vw, 0.34em);
  line-height: 1.45;
  margin: 0;
  text-transform: uppercase;
}

.trace-topbar .trace-back {
  width: fit-content;
}

/* Final visual polish: the lane-end labels and evidence section already explain
   the unresolved boundary, so the large question-mark overlay and repeated
   four-card export summary are intentionally not shown. The elements remain in
   the DOM so the renderer contract stays stable. */
.trace-boundary,
.trace-facts {
  display: none;
}

@media (max-width: 520px) {
  .trace-topbar {
    align-items: flex-start;
    gap: 0.8rem;
    margin-top: 1rem;
  }

  .trace-compact-title {
    max-width: 22rem;
  }
}