3D Tic Tac Toe

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📘 Instructions

• The board is 3×3×3 — three layers stacked in 3D.
• You play as X. The AI plays as O.
• Click any empty cube to place your mark.
• Win by forming a straight line of 3 in:
  • Any row
  • Any column
  • Any vertical stack
  • Any diagonal (2D or 3D)
• Choose difficulty at any time.
• Reset the game with the button below the board.