Redesign UI with modern, clean look and optimized styling

[Copilot]

Summary

Completely redesigned the TaskHub UI to provide a modern, clean look with simplified components and optimized code. The redesign focuses on better visual hierarchy, improved user experience, and contemporary design patterns.

Changes Made

🎨 Visual Design Improvements

• Modern Color Scheme: Replaced basic black/white theme with sophisticated blue-based palette
• Card-Based Layout: Implemented card design with subtle shadows and rounded corners
• Better Typography: Improved font weights, sizes, and spacing throughout
• Enhanced Spacing: Consistent padding and margin system for better visual hierarchy

🔧 Component Modernization

• Buttons: Added hover effects, shadows, and smooth transitions
• Form Elements: Modern input styling with focus states and better accessibility
• Status Indicators: Color-coded left borders for todo items (blue=Open, orange=In Progress, green=Done)
• Theme Toggle: Replaced basic emoji with proper button styling

📱 Improved User Experience

• Interactive Feedback: Hover effects and smooth transitions for all interactive elements
• Better Error Messages: Styled error and warning messages with proper backgrounds
• Enhanced File Selector: More prominent and user-friendly file management interface
• Accessible Focus States: Proper focus indicators for keyboard navigation

🔧 Code Optimization

• CSS Variables: Extended color system with semantic naming
• Consolidated Styles: Removed redundant CSS and improved maintainability
• Modern CSS: Utilized CSS custom properties for consistent theming
• Improved Structure: Better organization of component styles

Screenshots

Before vs After Comparison

Before - Basic UI:

After - Modern UI:

New Features Showcase

Status Changes with Visual Feedback:

Dark Mode Support:

Key Improvements

• ✅ Modern card-based design with shadows and rounded corners
• ✅ Sophisticated color palette with proper contrast ratios
• ✅ Interactive elements with hover effects and transitions
• ✅ Consistent spacing and typography system
• ✅ Enhanced dark mode with proper color adjustments
• ✅ Better visual hierarchy and information architecture
• ✅ Improved accessibility with proper focus states
• ✅ Optimized CSS with reduced redundancy

Technical Details

• Updated CSS custom properties for comprehensive theming
• Implemented modern design tokens (shadows, border-radius, spacing)
• Enhanced component styling with better state management
• Improved responsive design considerations
• Maintained backward compatibility with existing functionality

The redesign maintains all existing functionality while providing a significantly improved user experience with modern design principles and better visual feedback.

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[tjarkpr]

@copilot There still seems to be error messages regarding Syntax.

[Copilot]

@copilot There still seems to be error messages regarding Syntax.

Fixed the CSS syntax errors by adding missing newlines at the end of three CSS files. The build and development server now run without syntax errors. Commit: 559cf24

[tjarkpr]

@copilot

The top bar is not consistent in its size. it should always be full width.

[tjarkpr]

@copilot There is also an overflow when the page gets small and the margin /padding right is not visible.

[tjarkpr]

@copilot Please also use less borders. It makes it less visible. Use clear contrast betwenn action and static content. Less borders.

[Copilot]

@copilot

The top bar is not consistent in its size. it should always be full w...

Fixed the header layout to span full width consistently. The issue was resolved by restructuring the app wrapper and header components to ensure the top bar extends to the full width of the screen while keeping the content centered within the max-width constraints. The layout now works correctly across all screen sizes. Commit: 509a2cb

[Copilot]

@copilot There is also an overflow when the page gets small and the margin /padding right is not visible.

Fixed the overflow issues by implementing responsive padding using viewport units and media queries. Updated all container padding to use min(2rem, 4vw) and added mobile-specific styles for screens under 768px. This ensures proper margins and padding visibility on all screen sizes. Commit: 53abcaf

@copilot Please also use less borders. It makes it less visible. Use clear contrast betwenn action and static content. Less borders.

Reduced borders throughout the interface by removing unnecessary borders from cards and sections. Enhanced contrast between actionable elements (buttons, inputs, selects) with thicker borders (2px) and improved hover states, while using shadows and background colors for visual separation instead of borders. This creates clearer distinction between interactive and static content. Commit: 53abcaf