Mastering Dark Mode in Next.js

Dark mode has become a standard expectation for modern web applications. With Tailwind CSS and the Next.js App Router, implementing it is easier than ever.

In this guide, we’ll walk through the key steps to add theme toggling while ensuring accessibility and fast performance.

Why Dark Mode Matters

• User preference: Many users prefer darker interfaces.
• Battery savings: Dark mode reduces power usage on OLED screens.
• Visual comfort: Less eye strain in low-light environments.

Let's build it!