20260208

Refactor: Remove geometry worker and related files

- Deleted geometryWorker.js and index.js as part of the refactor to streamline the worker architecture.
- Updated color-modes.css to remove legacy color definitions and clarify dynamic color generation.
- Adjusted floating.css to enhance the resize handle's visibility and interaction.
- Improved importance.css for better layout responsiveness and consistency in font usage.
- Updated load-visualization.css to use the base font variable for consistency.
- Modified style.css to apply the base font variable across the body for uniformity.
- Changed variables.css to update the base font family for a more modern look.