Dark Mode UI Components for SaaS: Button, Input, Card, Badge (Tailwind CSS v4)
Dark Mode UI Components for SaaS: Button, Input, Card, Badge (Tailwind CSS v4) Every SaaS needs a solid component set. Dark mode is not optional anymore — users expect it, especially developer-faci...
Source: DEV Community
Dark Mode UI Components for SaaS: Button, Input, Card, Badge (Tailwind CSS v4) Every SaaS needs a solid component set. Dark mode is not optional anymore — users expect it, especially developer-facing products. This post covers the four components you will use in every SaaS dashboard: Button, Input, Card, and Badge. All built with Tailwind CSS v4 and designed to support both light and dark mode with a single class toggle. These are the exact components shipped in LaunchKit, the Next.js 16 SaaS starter kit. Setup: Dark Mode in Tailwind v4 Tailwind v4 changes how dark mode works. Instead of the darkMode: 'class' config entry, you use a CSS-first approach. In your global CSS: @import "tailwindcss"; @custom-variant dark (&:where(.dark, .dark *)); Then on your root <html> element, toggle the dark class. In Next.js with next-themes: // app/layout.tsx import { ThemeProvider } from 'next-themes'; export default function RootLayout({ children }: { children: React.ReactNode }) { return
