Global Toolbar Controls What Belongs Here Global controls affect the entire product experience but are not the user's primary task. They are reached occasionally — once per session or less — and should not compete visually with primary navigation or content. Typical global toolbar controls: - Currency selector (e-commerce, financial tools) - Language / locale switcher - Region or market selector - Unit system (metric / imperial) - Theme toggle (light / dark) - Accessibility preferences (font size, contrast) These are distinct from user account settings (which live in a profile menu) and from…