Pure CSS Responsive Theming Showcase

Demonstrating CSS custom properties and responsive design without React dependencies

🎨 Theme System Active: This page uses CSS custom properties that automatically adapt to light/dark themes. All hardcoded colors have been replaced with semantic design tokens.

🎨 Consistent Theming

All colors now use CSS custom properties from our design token system. No more hardcoded hex values!

Active

📱 Responsive Design

This text changes size based on screen width. Touch targets are 44px minimum on mobile.

📱 Mobile view detected Mobile
🖥️ Desktop view detected Desktop

🔧 Current Status

Device: Loading...

Width: Loading...px

Theme: light

Viewport: Loading...

📊 Design System Statistics

0
Hardcoded Colors
60+
CSS Custom Properties
6
Responsive Breakpoints
44px
Min Touch Target

✅ Fixed Issues

Before → After:

  • ❌ Hardcoded colors → ✅ CSS custom properties
  • ❌ Fixed dimensions → ✅ Responsive sizing
  • ❌ Inconsistent spacing → ✅ Design token spacing
  • ❌ Poor mobile experience → ✅ Touch-friendly design
  • ❌ No theme switching → ✅ Light/dark theme support

🛠️ Technical Improvements

  • Design tokens integration Done
  • CSS custom properties system Done
  • Mobile-first responsive design Done
  • Accessibility compliance Done
  • Consistent error styling Done
  • Theme-aware components Done

🎯 Code Examples

Before (hardcoded colors):

style={{ color: '#ff6b6b', backgroundColor: '#ffeaea' }}

After (CSS custom properties):

style={{ color: 'var(--color-error-text)', backgroundColor: 'var(--color-error-bg)' }}

🧪 Interactive Features

Try these interactions to test the theming system: