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# Which Problems Are Solved This PR introduces a comprehensive theme customization system for the login application with responsive behavior and enhanced visual options. <img width="1122" height="578" alt="Screenshot 2025-08-19 at 09 55 24" src="https://github.com/user-attachments/assets/cdcc8948-533d-4e13-bf45-fdcc24acfb2b" /> # How the Problems Are Solved ## ✨ Features Added - **🔄 Responsive Layout System**: Automatic switching between side-by-side and top-to-bottom layouts based on screen size - **🖼️ Background Image Support**: Custom background images configurable via environment variables - **⚙️ Theme Configuration**: Complete theme system with roundness, spacing, appearance, and layout options - **📱 Mobile-First Design**: Intelligent layout adaptation for different screen sizes - **🎯 Enhanced Typography**: Improved visual hierarchy with larger titles in side-by-side mode ## 🏗️ Architecture - **Server-Safe Theme Functions**: Theme configuration accessible on both server and client - **SSR-Safe Hooks**: Proper hydration handling for responsive layouts - **Component Separation**: Clear boundaries between server and client components - **Two-Section Layout**: Consistent content structure across all login pages ## 🔧 Configuration Options All theme options are configurable via environment variables: - `NEXT_PUBLIC_THEME_ROUNDNESS`: `edgy` | `mid` | `full` - `NEXT_PUBLIC_THEME_LAYOUT`: `side-by-side` | `top-to-bottom` - `NEXT_PUBLIC_THEME_APPEARANCE`: `flat` | `material` - `NEXT_PUBLIC_THEME_SPACING`: `regular` | `compact` - `NEXT_PUBLIC_THEME_BACKGROUND_IMAGE`: Custom background image URL ## 📄 Pages Updated Updated all major login pages to use the new two-section responsive layout: - Login name entry - Password verification - MFA verification - User registration - Account selection - Device authorization - Logout confirmation ## 📚 Documentation - **THEME_ARCHITECTURE.md**: Complete technical documentation of the theme system - **THEME_CUSTOMIZATION.md**: User-friendly guide with examples and troubleshooting ## 🚀 Benefits - **Better UX**: Responsive design that works seamlessly across all devices - **Brand Flexibility**: Easy customization to match any brand identity - **Maintainable Code**: Clean separation of concerns and well-documented architecture - **Future-Proof**: Extensible system for additional theme options <img width="580" height="680" alt="Screenshot 2025-08-19 at 09 22 23" src="https://github.com/user-attachments/assets/9de8da37-6d56-4fe9-b337-5d8ad2a3ba59" /> <img width="599" height="689" alt="Screenshot 2025-08-19 at 09 23 45" src="https://github.com/user-attachments/assets/26a30cc7-4017-4f4b-8b87-a49466c42b94" /> <img width="595" height="681" alt="Screenshot 2025-08-19 at 09 23 17" src="https://github.com/user-attachments/assets/a3d31088-4545-4f36-aafe-1aae1253d677" />