Implement "The Subtraction Game" interactive with sliders for n and k, a play/reset button, turn-based gameplay between two players, and visual feedback including confetti for the winner.
Create an N-Queens puzzle where users can place queens on an n x n chessboard. The size of the board can be adjusted using a slider. A timer can be started before placing any queens. Clicking a square places a queen, and clicking a queen removes it. Attacked squares are visually indicated.
- Create new Ternary Search Magic Trick interactive with ternary search logic
- Add emoji buttons and 'not present' option for better UX
- Implement 'How it Works' modal with embedded YouTube video
- Fix layout margins when accessing interactives from theme pages
- Add standalone and green screen pages for the new interactive
- Update Data Structures theme to include the new interactive
- Move Puzzles and Miscellany under Themes
- Add Contest Problems as new theme
- Create About page with comprehensive site information
- Create InteractiveIndex component with advanced filtering and sorting
- Update navigation to include Index, Themes, and About
- Add pagination (10 items per page) with search and tag filtering
- Update routing structure for new theme organization
- Remove standalone Puzzles and Miscellany pages
- Add new theme pages: /themes/puzzles, /themes/miscellany, /themes/contest-problems
- Update homepage to point to new interactive index
- Maintain consistent layout and styling across all new pages
