1. New Features

    Theme Support:

        Added multiple theme options (Default, Blue, Red, Dark, Vibrant).

        Themes can be selected from the new THEME menu in the menu bar.

        Each theme includes customized colors, gradients, and styling for UI elements.

    Enhanced UI Styling:

        Improved overall UI aesthetics with better spacing, borders, and rounded corners.

        Added hover/pressed effects for buttons and menu items.

        Updated progress bars, tabs, and group boxes for better visual consistency.

    Menu Bar Additions:

        Added a THEME submenu under the menu bar for theme selection.

2. Improvements

    Code Organization:

        Added comprehensive docstrings to classes and methods for better readability.

        Refactored theme application into separate methods (apply_theme(), apply_default_theme(), etc.).

    Error Handling:

        Enhanced error messages with more context (e.g., permission issues during file operations).

    Logging:

        Added timestamps to log messages for better tracking.

    Performance:

        Optimized file scanning and counting processes.

3. Bug Fixes

    Fixed issues with folder exclusion logic.

    Improved handling of hidden/system files when the "Show Hidden/System Files" option is toggled.

    Resolved minor UI glitches in the log area and progress bars.

4. Minor Adjustments

    Reduced font size from 9pt to 8pt for better space utilization.