TEST-106: Create Static Scrabble Game Board with Grid Layout

[cyrusagent]

Summary

This PR implements the complete 15x15 Scrabble game board with proper grid layout and all special squares positioned correctly according to official Scrabble rules.

Changes Made

JavaScript Implementation (js/game.js)

• Added comprehensive special squares configuration with exact positions
• Implemented board generation logic creating 225 squares programmatically
• Added helper functions for square type detection and labeling
• Created coordinate system (A-O columns, 1-15 rows)
• Implemented click handlers that log square coordinates to console
• Stored board state in 2D array data structure

CSS Styling (css/styles.css)

• Implemented CSS Grid layout for precise 15x15 board
• Added distinct colors for all square types using CSS custom properties:
  • Regular squares: Light beige (#F5E6D3)
  • Triple Word Score: Dark red (#DC143C)
  • Double Word Score: Light pink (#FFB6C1)
  • Triple Letter Score: Dark blue (#00008B)
  • Double Letter Score: Light blue (#87CEEB)
  • Center star: Gold (#FFD700)
• Created responsive design that works from mobile to desktop
• Added smooth hover effects with scale and shadow
• Styled coordinate labels with proper alignment

Special Squares Implementation

• Triple Word Score (8 squares): A1, A8, A15, H1, H15, O1, O8, O15
• Double Word Score (16 squares): Diagonal patterns plus center
• Triple Letter Score (12 squares): Strategic positions
• Double Letter Score (24 squares): Throughout the board
• Center Star (1 square): H8 with star symbol (★)

Testing

• ✅ 15x15 grid displays correctly with all 225 squares
• ✅ All special squares are in correct Scrabble positions
• ✅ Special squares have distinct colors and labels
• ✅ Board is responsive and maintains aspect ratio
• ✅ Coordinate labels (A-O, 1-15) are visible
• ✅ Center star position is clearly marked
• ✅ Click on any square logs its coordinates to console
• ✅ Board configuration is stored in JavaScript data structure
• ✅ Code is well-organized and commented

Related Issues

• Part of TEST-104: Build an interactive multiplayer HTML5 game of Scrabble
• Builds on TEST-105: Basic HTML5 project structure

Next Steps

The board is now ready for the next phases:

• Tile placement functionality
• Word validation
• Scoring system
• Multiplayer features