.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nti-space-4);
  padding: var(--nti-space-3) 32px;
  background: var(--nti-color-surface);
  border-bottom: 1px solid var(--nti-color-border-soft);
  flex-wrap: wrap;
}

.app-brand {
  font-weight: 700;
  font-size: 18px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--nti-space-3);
  flex-wrap: wrap;
}

.locale-control {
  display: flex;
  align-items: center;
  gap: var(--nti-space-2);
  flex-wrap: wrap;
  min-width: 0;
}

.locale-control select {
  min-width: 150px;
  padding: 7px 10px;
  border: 1px solid #cbd5e1;
  border-radius: var(--nti-radius-sm);
  background: var(--nti-color-surface);
}

.version-chip {
  font-size: 12px;
  color: #4b5563;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: var(--nti-radius-pill);
  padding: var(--nti-space-1) 10px;
}