#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0 var(--space-5);
  margin-bottom: var(--space-5);
}

#topbar .page-title {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text-strong);
  letter-spacing: -0.01em;
}

#topbar .topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

#hamburger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--color-text-strong);
  padding: var(--space-1);
}

#theme-toggle-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

#theme-toggle-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

#admin-username {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

@media (max-width: 991px) {
  #hamburger-btn {
    display: flex;
    align-items: center;
  }
}