- Updated the `CalendarFloatingWidget` and `CalendarWidget` classes to improve dark and light theme styles, aligning with an optimized Apple design aesthetic.
- Adjusted font sizes, button styles, and color schemes for better visual consistency and usability.
- Enhanced the `ThemeManager` to provide refined styles for various UI components, including menus, buttons, and toolbars.
- Implemented responsive styles for button states (hover, pressed) and improved accessibility with disabled text colors.
- Ensured that theme changes propagate correctly across the application, particularly in the `WordStyleMainWindow`.
