Refactor trail management in app.js to streamline code and improve performance

Update BASE_VIEW_RADIUS_KM in app.js to improve zoom scaling behavior

Update zoom functionality in app.js to ensure world transformation is applied during zoom operations

Refactor scaling logic in app.js to improve viewport calculations

Enhance Coastal Surveillance Simulator by adding new features and improving UI

Refactor app.js to replace canvas with SVG for rendering, enhancing visual fidelity and performance. Introduced new SVG element creation functions and updated related rendering logic. Removed the legend section from index.html and adjusted styles in style.css to accommodate the SVG implementation.

Enhance color management in app.js by adding new color variables and updating rendering logic. Improved visual consistency by adjusting fill and stroke styles for various elements based on the new color properties.

Add theme toggle functionality and update styles for light and dark modes

Implement Coastal Surveillance Simulator with HTML, CSS, and JavaScript. Added interactive canvas for simulation, control panel for camera and boat settings, and responsive design for better usability.