skills.rest
fusengine
fusengineCOMMUNITY
Explore all skills by this author →
Website𝕏@fusengineGitHub

dark-light-modes

Implement dark and light modes with CSS variables and next-themes in Next.js.

22|3|Updated Jan 10, 2026
Search Tags:#theming#ui design#dark mode#css variables#light mode#next-themes
One-click install
npx skills add https://github.com/fusengine/agents --skill dark-light-modes
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dark-light-modes
Source: https://github.com/fusengine/agents/tree/main/plugins/design-expert/skills/dark-light-modes
Command: npx skills add https://github.com/fusengine/agents --skill dark-light-modes

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the complexity of implementing dynamic theme modes (dark/light) and color schemes in web applications, ensuring a consistent and user-friendly visual experience across different preferences and system settings.

Core Features & Use Cases

  • CSS Variables: Utilizes token-based theming for easy management of color palettes.
  • System Preference Detection: Respects the user's operating system preference for light or dark mode via prefers-color-scheme.
  • Manual Toggle: Provides a user interface element for users to manually switch between themes.
  • Next.js Integration: Offers specific guidance for integrating with the next-themes library for seamless theme management in Next.js applications.
  • FOUC Prevention: Includes strategies to prevent the "flash of unstyled content" during initial page load.
  • Use Case: Implementing a website that automatically switches to a dark theme at night or when the user's OS is set to dark mode, while also providing a button for users to manually select their preferred theme.

Quick Start

Implement dark and light modes using CSS variables and the next-themes library in your Next.js application.

Frequently Asked Questions about dark-light-modes

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement dark and light modes with CSS variables?▼

Implement dark and light modes by defining CSS variables for your color palettes. This token-based approach allows you to easily manage and swap color schemes dynamically across your web application.

How does system preference detection work for dark mode?▼

System preference detection works by using the prefers-color-scheme media query. This allows your web application to automatically respect the user's operating system settings and apply the matching light or dark color scheme.

What is the best way to prevent flash of unstyled content when loading dark mode?▼

The best way to prevent flash of unstyled content is implementing specific FOUC prevention strategies before initial render. This ensures your web application loads the correct color scheme instantly without flashing default styles.

Can I use next-themes to manage manual theme toggles in Next.js?▼

Yes, you can use next-themes to manage manual theme toggles in Next.js. It provides a user interface element for switching themes while seamlessly integrating with your CSS variables and preventing unstyled content flashes.

Why does my web application need token-based theming for color schemes?▼

Your web application needs token-based theming to easily manage color palettes across dark and light modes. Using CSS variables ensures a consistent visual experience and simplifies dynamic updates to your color schemes.

Related Skills

Explore More Design & Creative Skills→
fusenginefusengine
22

designing-systems

Define OKLCH color palettes, CSS variables, and typography scales for Tailwind CSS v4 theming.

Community
Advanced
Owl-ListenerOwl-Listener
234

adaptive-interfaces

Detect system preferences and adapt interfaces for color, motion, typography, and density.

Community
Advanced
yaresimeonthomasyaresimeonthomas

shadcn-customization

Centralize shadcn/ui theme changes via semantic CSS variables.

Community
Intermediate
BoristokaBoristoka

darkmode

Toggle website dark mode via HTML class and React component.

Community
Basic