- Added shadow customization options to the theme customizer, allowing users to select from 'none', 'low', 'medium', and 'high'.
- Updated the theme customizer settings interface and default values to include shadow settings.
- Enhanced the CSS variables for shadows in common.scss to support different shadow levels based on user selection.
- Modified the VirtualSlideView component styles to improve layout and scrolling behavior.
- Updated localization files for English, Simplified Chinese, and Traditional Chinese to include new shadow-related terms.
- Adjusted various components to ensure consistent application of shadow styles across the application.
- Introduced a new ThemeCustomizer component for real-time theme customization.
- Updated UserProfile.vue to integrate the ThemeCustomizer and manage theme settings.
- Enhanced theme management with new settings for layout, primary color, and skin.
- Added support for semi-dark menu and responsive design adjustments.
- Implemented local storage persistence for theme settings.
- Updated localization files to include new theme customizer strings in English, Simplified Chinese, and Traditional Chinese.
- Modified styles to support new bordered skin and theme customizer layout.
- Refactored existing components (HeaderTab, SearchBar) to accommodate new theme features.
