Theme Toggle Button System Demo for React Base UI

Part of Pro

Pro unlocks the code and one-line install of every Pro button and text effect, plus the MCP for your AI editor.

Have Pro already? Sign in to open it.Opens here as soon as you're Pro.

Part of Pro

Pro unlocks the code and one-line install of every Pro button and text effect, plus the MCP for your AI editor.

Have Pro already? Sign in to open it.Opens here as soon as you're Pro.

Adds components/ui/theme-toggle-button.tsx, with Button and lucide-react. Then paste the demo from the Code tab.