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React Dark Mode Toggle Hero Block

A React and Next.js hero block with an interactive light/dark mode preview toggle, dashboard mockup, and split layout built with shadcn/ui Badge and Button styled using Tailwind CSS.

Showcase both themes with this React and Next.js dark mode toggle hero block. Built with TypeScript and Tailwind CSS, it features shadcn/ui Badge and Button components alongside an interactive toggle that switches a dashboard preview between light and dark modes with smooth CSS transitions. The two-column split layout pairs your headline with a live-toggleable mockup. Ideal for design systems, UI component libraries, theme marketplaces, and any product where dark mode support is a key selling point.

React Dark Mode Toggle Hero Block preview

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Last updated on March 28, 2026

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