.sui-panelhdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.sui-panelhdr__left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}
.sui-panelhdr__back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.875rem;
  height: 1.875rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text-2);
  cursor: pointer;
  transition:
    background var(--motion-fast),
    color var(--motion-fast),
    border-color var(--motion-fast);
}
.sui-panelhdr__back:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-4);
  color: var(--color-text-1);
}
.sui-panelhdr__text {
  min-width: 0;
}
.sui-panelhdr__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-1);
}
.sui-panelhdr__sub {
  font-size: 0.8125rem;
  color: var(--color-text-4);
  margin-top: 0.125rem;
}
.sui-panelhdr__actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}