Jens Luedicke 80edb1be55 Add comprehensive dark mode support with UI consistency fixes ...

This commit introduces a complete dark mode implementation across the entire application,
along with various UI consistency improvements and mobile responsiveness fixes.

Dark Mode Implementation:
- Added new dark-mode.css with comprehensive CSS variable system
- Implemented theme switcher with localStorage persistence
- Created dark mode color palette optimized for readability
- Added smooth transitions between light and dark themes

Component-Specific Dark Mode Styling:
- Headers: Added glowing gradient effects with animations (pulse, shimmer)
- Tables: Unified table styling across all views with proper dark mode support
- Forms: Updated all form controls, inputs, and buttons for dark mode
- Cards: Fixed white backgrounds in project cards, stat cards, and activity items
- Navigation: Enhanced sidebar and mobile navigation dark mode styling
- Modals: Added dark mode support for all modal dialogs including task modal
- Charts: Updated chart colors for dark mode visibility

UI Consistency Improvements:
- Standardized container padding (1rem) across all pages
- Unified page widths (regular: 1400px, admin: 1600px)
- Fixed mobile bottom navigation to only show on devices ≤768px
- Resolved page header positioning inconsistencies
- Improved text contrast ratios for better accessibility

Table Consolidation:
- Created tables-consolidated.css for unified table styling
- Removed duplicate table styles across components
- Standardized table headers, borders, and hover states
- Added responsive table behavior for mobile devices

Mobile Improvements:
- Fixed splash screen viewport coverage
- Enhanced mobile menu accessibility
- Improved touch targets for mobile interactions
- Added proper mobile-specific dark mode adjustments

Technical Details:
- CSS variables for easy theme customization
- Proper specificity management with [data-theme="dark"] selectors
- Performance optimized with minimal repaints
- Browser compatibility for modern browsers

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-07-15 20:41:11 +02:00

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