.tembo-topbar {
  position: sticky;
  top: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 44px;
  padding: 0 20px;
  background: #0b0f14;
  color: #f5f3ee;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.tembo-topbar a.tembo-back {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #f5f3ee;
  text-decoration: none;
  font-weight: 600;
  opacity: 0.9;
  white-space: nowrap;
}
.tembo-topbar a.tembo-back:hover { opacity: 1; }
.tembo-topbar .tembo-langs { display: flex; gap: 6px; flex-shrink: 0; }
.tembo-topbar button.tembo-lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #f5f3ee;
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.tembo-topbar button.tembo-lang-btn:hover { border-color: rgba(255, 255, 255, 0.6); }
.tembo-topbar button.tembo-lang-btn.active {
  background: #f5f3ee;
  color: #0b0f14;
  border-color: #f5f3ee;
}
@media (max-width: 520px) {
  .tembo-topbar { padding: 0 14px; font-size: 12px; }
  .tembo-topbar button.tembo-lang-btn { padding: 4px 9px; font-size: 11px; }
}