/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var GridCell = Container.expand(function () {
	var self = Container.call(this);
	self.init = function () {
		if (!self.background) {
			self.background = self.attachAsset('cuadricula', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
		self.value = 0;
		self.sprite = null;
		self.row = -1;
		self.col = -1;
		self.isSpecial = false;
		self.specialType = null;
		return self;
	};
	self.setValue = function (newValue) {
		if (self.value === newValue) {
			return;
		}
		self.value = newValue;
		if (self.sprite) {
			self.removeChild(self.sprite);
		}
		var spriteId = 'meme' + newValue;
		self.sprite = LK.getAsset(spriteId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.addChild(self.sprite);
		self.updateSpecialAppearance();
	};
	self.updateSpecialAppearance = function () {
		if (self.isSpecial && self.sprite) {
			if (self.specialType === 'bomb') {
				self.sprite.tint = 0x0088FF;
			} else if (self.specialType === 'green') {
				self.sprite.tint = 0x00FF00;
			} else {
				self.sprite.tint = 0xFF8800;
			}
		}
	};
	self.activateSpecialPower = function () {
		if (!self.isSpecial) {
			return;
		}
		var cellsToDestroy = [];
		if (self.specialType === 'horizontal') {
			for (var row = extraRows; row < gridSize + extraRows; row++) {
				if (gridCells[row][self.col] && gridCells[row][self.col] !== self) {
					cellsToDestroy.push(gridCells[row][self.col]);
				}
			}
		} else if (self.specialType === 'vertical') {
			for (var col = 0; col < gridSize; col++) {
				if (gridCells[self.row][col] && gridCells[self.row][col] !== self) {
					cellsToDestroy.push(gridCells[self.row][col]);
				}
			}
		} else if (self.specialType === 'bomb') {
			for (var row = Math.max(extraRows, self.row - 1); row <= Math.min(gridSize + extraRows - 1, self.row + 1); row++) {
				for (var col = Math.max(0, self.col - 1); col <= Math.min(gridSize - 1, self.col + 1); col++) {
					if (gridCells[row][col] && gridCells[row][col] !== self) {
						cellsToDestroy.push(gridCells[row][col]);
					}
				}
			}
		} else if (self.specialType === 'green') {}
		if (cellsToDestroy.length > 0) {
			destroyCells(cellsToDestroy);
			self.beingDestroyed = true;
			LK.getSound('Explosion').play();
			LK.effects.flashObject(self, 0xFFFFFF, 200);
			gridContainer.removeChild(self);
			self.destroy();
			gridCells[self.row][self.col] = null;
		}
	};
	self.showSelection = function () {
		if (self.selectionHighlight) {
			return;
		}
		self.selectionHighlight = new Container();
		var highlight = LK.getAsset('cuadricula', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1.15,
			scaleY: 1.15,
			alpha: 0.6
		});
		highlight.tint = 0x00FFFF;
		self.selectionHighlight.addChild(highlight);
		self.addChildAt(self.selectionHighlight, 0);
		function pulseAnimation() {
			tween(highlight, {
				alpha: 0.3,
				scaleX: 1.2,
				scaleY: 1.2
			}, {
				duration: 500,
				easing: tween.easeInOutQuad,
				onComplete: function onComplete() {
					tween(highlight, {
						alpha: 0.6,
						scaleX: 1.15,
						scaleY: 1.15
					}, {
						duration: 500,
						easing: tween.easeInOutQuad,
						onComplete: pulseAnimation
					});
				}
			});
		}
		pulseAnimation();
	};
	self.hideSelection = function () {
		if (self.selectionHighlight) {
			self.removeChild(self.selectionHighlight);
			self.selectionHighlight = null;
		}
	};
	self.down = function (x, y, obj) {
		handleCellTap(self);
	};
	self.init();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xF4FFFF
});

/**** 
* Game Code
****/ 
var cellPool = [];
function getGridCell() {
	if (cellPool.length > 0) {
		return cellPool.pop().init();
	}
	return new GridCell();
}
function recycleGridCell(cell) {
	if (cell) {
		cellPool.push(cell);
	}
}
var selectedCell = null;
var isAnimating = false;
window.gravityInProgress = false;
window.fillInProgress = false;
var comboCounter = 0;
var comboInProgress = false;
function handleCellTap(tappedCell) {
	if (isAnimating || window.gravityInProgress || window.fillInProgress) {
		return;
	}
	if (!isValidCell(tappedCell)) {
		return;
	}
	function isValidCell(cell) {
		return cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell && !cell.beingDestroyed;
	}
	if (selectedCell !== null) {
		if (selectedCell && gridCells[selectedCell.row] && gridCells[selectedCell.row][selectedCell.col] === selectedCell) {
			var areAdjacentCells = function areAdjacentCells(cell1, cell2) {
				return Math.abs(cell1.row - cell2.row) === 1 && cell1.col === cell2.col || Math.abs(cell1.col - cell2.col) === 1 && cell1.row === cell2.row;
			};
			if (selectedCell === tappedCell) {
				selectedCell.hideSelection();
				selectedCell = null;
				return;
			}
			if (!areAdjacentCells(selectedCell, tappedCell)) {
				selectedCell.hideSelection();
				selectedCell = tappedCell;
				selectedCell.showSelection();
				return;
			}
			var cell1 = selectedCell;
			var cell2 = tappedCell;
			cell1.hideSelection();
			selectedCell = null;
			var isAdjacent = Math.abs(cell1.row - cell2.row) === 1 && cell1.col === cell2.col || Math.abs(cell1.col - cell2.col) === 1 && cell1.row === cell2.row;
			if (!isAdjacent) {
				return;
			}
		} else {
			if (selectedCell) {
				selectedCell.hideSelection();
			}
			selectedCell = tappedCell;
			selectedCell.showSelection();
			return;
		}
	} else {
		selectedCell = tappedCell;
		selectedCell.showSelection();
		return;
	}
	isAnimating = true;
	var pos1_x = cell1.x;
	var pos1_y = cell1.y;
	var pos2_x = cell2.x;
	var pos2_y = cell2.y;
	var row1 = cell1.row;
	var col1 = cell1.col;
	var row2 = cell2.row;
	var col2 = cell2.col;
	var greenSpecialCell = null;
	var regularCell = null;
	var lineSpecialCells = [];
	var twoGreenSpecials = false;
	if (cell1.isSpecial && cell1.specialType === 'green' && cell2.isSpecial && cell2.specialType === 'green') {
		twoGreenSpecials = true;
	} else if (cell1.isSpecial && cell1.specialType === 'green') {
		greenSpecialCell = cell1;
		regularCell = cell2;
	} else if (cell2.isSpecial && cell2.specialType === 'green') {
		greenSpecialCell = cell2;
		regularCell = cell1;
	}
	if (cell1.isSpecial && (cell1.specialType === 'horizontal' || cell1.specialType === 'vertical')) {
		lineSpecialCells.push(cell1);
	}
	if (cell2.isSpecial && (cell2.specialType === 'horizontal' || cell2.specialType === 'vertical')) {
		lineSpecialCells.push(cell2);
	}
	gridCells[row1][col1] = cell2;
	gridCells[row2][col2] = cell1;
	cell1.row = row2;
	cell1.col = col2;
	cell2.row = row1;
	cell2.col = col1;
	if (cell1.selectionHighlight) {
		cell1.hideSelection();
	}
	if (cell2.selectionHighlight) {
		cell2.hideSelection();
	}
	if (twoGreenSpecials) {
		var cellsToDestroy = [];
		for (var row = extraRows; row < gridSize + extraRows; row++) {
			for (var col = 0; col < gridSize; col++) {
				if (gridCells[row][col] && gridCells[row][col] !== cell1 && gridCells[row][col] !== cell2) {
					cellsToDestroy.push(gridCells[row][col]);
				}
			}
		}
		cell1.beingDestroyed = true;
		cell2.beingDestroyed = true;
		LK.setTimeout(function () {
			LK.getSound('Explosion').play();
			LK.effects.flashScreen(0x00FF00, 500);
			if (cellsToDestroy.length > 0) {
				destroyCells(cellsToDestroy);
			}
			LK.effects.flashObject(cell1, 0xFFFFFF, 200);
			LK.effects.flashObject(cell2, 0xFFFFFF, 200);
			gridContainer.removeChild(cell1);
			gridContainer.removeChild(cell2);
			cell1.destroy();
			cell2.destroy();
			gridCells[cell1.row][cell1.col] = null;
			gridCells[cell2.row][cell2.col] = null;
		}, 350);
	} else if (cell1.isSpecial && cell1.specialType === 'bomb' && cell2.isSpecial && cell2.specialType === 'bomb') {
		var cellsToDestroy = [];
		var activatedCell = cell1;
		for (var r = Math.max(extraRows, cell1.row - 2); r <= Math.min(gridSize + extraRows - 1, cell1.row + 2); r++) {
			for (var c = Math.max(0, cell1.col - 2); c <= Math.min(gridSize - 1, cell1.col + 2); c++) {
				if (gridCells[r][c] && gridCells[r][c] !== cell1 && gridCells[r][c] !== cell2) {
					cellsToDestroy.push(gridCells[r][c]);
				}
			}
		}
		cell1.beingDestroyed = true;
		cell2.beingDestroyed = true;
		LK.setTimeout(function () {
			LK.getSound('Explosion').play();
			if (cellsToDestroy.length > 0) {
				destroyCells(cellsToDestroy);
			}
			LK.effects.flashObject(cell1, 0xFFFFFF, 200);
			LK.effects.flashObject(cell2, 0xFFFFFF, 200);
			gridContainer.removeChild(cell1);
			gridContainer.removeChild(cell2);
			cell1.destroy();
			cell2.destroy();
			gridCells[cell1.row][cell1.col] = null;
			gridCells[cell2.row][cell2.col] = null;
		}, 350);
	} else if (cell1.isSpecial && cell1.specialType === 'bomb' && cell2.isSpecial && (cell2.specialType === 'horizontal' || cell2.specialType === 'vertical') || cell2.isSpecial && cell2.specialType === 'bomb' && cell1.isSpecial && (cell1.specialType === 'horizontal' || cell1.specialType === 'vertical')) {
		var bombCell = cell1.specialType === 'bomb' ? cell1 : cell2;
		var lineCell = cell1.specialType === 'horizontal' || cell1.specialType === 'vertical' ? cell1 : cell2;
		var cellsToDestroy = [];
		var affectedRows = [];
		var activatedCell = cell1;
		if (lineCell.specialType === 'horizontal') {
			for (var r = Math.max(extraRows, bombCell.row - 1); r <= Math.min(gridSize + extraRows - 1, bombCell.row + 1); r++) {
				affectedRows.push(r);
				for (var c = 0; c < gridSize; c++) {
					if (gridCells[r][c] && gridCells[r][c] !== bombCell && gridCells[r][c] !== lineCell) {
						cellsToDestroy.push(gridCells[r][c]);
					}
				}
			}
		} else {
			for (var r = extraRows; r < gridSize + extraRows; r++) {
				for (var c = Math.max(0, bombCell.col - 1); c <= Math.min(gridSize - 1, bombCell.col + 1); c++) {
					if (gridCells[r][c] && gridCells[r][c] !== bombCell && gridCells[r][c] !== lineCell) {
						cellsToDestroy.push(gridCells[r][c]);
					}
				}
			}
		}
		bombCell.beingDestroyed = true;
		lineCell.beingDestroyed = true;
		LK.setTimeout(function () {
			LK.getSound('Explosion').play();
			if (cellsToDestroy.length > 0) {
				destroyCells(cellsToDestroy);
			}
			LK.effects.flashObject(bombCell, 0xFFFFFF, 200);
			LK.effects.flashObject(lineCell, 0xFFFFFF, 200);
			gridContainer.removeChild(bombCell);
			gridContainer.removeChild(lineCell);
			bombCell.destroy();
			lineCell.destroy();
			gridCells[bombCell.row][bombCell.col] = null;
			gridCells[lineCell.row][lineCell.col] = null;
		}, 350);
	} else if (lineSpecialCells.length === 2) {
		var cellsToDestroy = [];
		var row1, col1, row2, col2;
		var activatedSpecial;
		if (lineSpecialCells[0] === cell1) {
			activatedSpecial = lineSpecialCells[0];
			row1 = lineSpecialCells[0].row;
			col1 = lineSpecialCells[0].col;
		} else {
			activatedSpecial = lineSpecialCells[1];
			row1 = lineSpecialCells[1].row;
			col1 = lineSpecialCells[1].col;
		}
		for (var row = extraRows; row < gridSize + extraRows; row++) {
			if (gridCells[row][col1] && gridCells[row][col1] !== lineSpecialCells[0] && gridCells[row][col1] !== lineSpecialCells[1]) {
				cellsToDestroy.push(gridCells[row][col1]);
			}
		}
		for (var col = 0; col < gridSize; col++) {
			if (col !== col1 && gridCells[row1][col] && gridCells[row1][col] !== lineSpecialCells[0] && gridCells[row1][col] !== lineSpecialCells[1]) {
				cellsToDestroy.push(gridCells[row1][col]);
			}
		}
		lineSpecialCells.forEach(function (specialMeme) {
			specialMeme.beingDestroyed = true;
		});
		LK.setTimeout(function () {
			LK.getSound('Explosion').play();
			if (cellsToDestroy.length > 0) {
				destroyCells(cellsToDestroy);
			}
			lineSpecialCells.forEach(function (specialMeme) {
				LK.effects.flashObject(specialMeme, 0xFFFFFF, 200);
				gridContainer.removeChild(specialMeme);
				specialMeme.destroy();
				gridCells[specialMeme.row][specialMeme.col] = null;
			});
		}, 350);
	} else if (greenSpecialCell && regularCell) {
		if (regularCell.isSpecial && (regularCell.specialType === 'horizontal' || regularCell.specialType === 'vertical')) {
			var targetType = regularCell.value;
			var cellsToTransform = [];
			for (var row = extraRows; row < gridSize + extraRows; row++) {
				for (var col = 0; col < gridSize; col++) {
					var cell = gridCells[row][col];
					if (cell && cell.value === targetType && cell !== greenSpecialCell && cell !== regularCell && !cell.isSpecial) {
						cellsToTransform.push(cell);
					}
				}
			}
			greenSpecialCell.beingDestroyed = true;
			LK.setTimeout(function () {
				LK.getSound('Explosion').play();
				LK.effects.flashObject(greenSpecialCell, 0xFFFFFF, 200);
				cellsToTransform.forEach(function (cell) {
					cell.isSpecial = true;
					cell.specialType = Math.random() < 0.5 ? 'horizontal' : 'vertical';
					cell.sprite.tint = 0xFF8800;
					LK.effects.flashObject(cell, 0xFFFFFF, 200);
					LK.setTimeout(function () {
						cell.activateSpecialPower();
					}, 100 + Math.random() * 300);
				});
				gridContainer.removeChild(greenSpecialCell);
				greenSpecialCell.destroy();
				gridCells[greenSpecialCell.row][greenSpecialCell.col] = null;
				LK.setTimeout(function () {
					regularCell.activateSpecialPower();
				}, 500);
			}, 350);
		} else if (regularCell.isSpecial && regularCell.specialType === 'bomb') {
			var targetType = regularCell.value;
			var cellsToTransform = [];
			for (var row = extraRows; row < gridSize + extraRows; row++) {
				for (var col = 0; col < gridSize; col++) {
					var cell = gridCells[row][col];
					if (cell && cell.value === targetType && cell !== greenSpecialCell && cell !== regularCell && !cell.isSpecial) {
						cellsToTransform.push(cell);
					}
				}
			}
			greenSpecialCell.beingDestroyed = true;
			LK.setTimeout(function () {
				LK.getSound('Explosion').play();
				LK.effects.flashObject(greenSpecialCell, 0xFFFFFF, 200);
				cellsToTransform.forEach(function (cell) {
					cell.isSpecial = true;
					cell.specialType = 'bomb';
					cell.sprite.tint = 0x0088FF;
					LK.effects.flashObject(cell, 0xFFFFFF, 200);
					LK.setTimeout(function () {
						cell.activateSpecialPower();
					}, 100 + Math.random() * 300);
				});
				gridContainer.removeChild(greenSpecialCell);
				greenSpecialCell.destroy();
				gridCells[greenSpecialCell.row][greenSpecialCell.col] = null;
				LK.setTimeout(function () {
					regularCell.activateSpecialPower();
				}, 500);
			}, 350);
		} else {
			var targetType = regularCell.value;
			var cellsToDestroy = [];
			for (var row = extraRows; row < gridSize + extraRows; row++) {
				for (var col = 0; col < gridSize; col++) {
					var cell = gridCells[row][col];
					if (cell && cell.value === targetType && cell !== greenSpecialCell) {
						cellsToDestroy.push(cell);
					}
				}
			}
			greenSpecialCell.beingDestroyed = true;
			LK.setTimeout(function () {
				if (cellsToDestroy.length > 0) {
					LK.getSound('Explosion').play();
					LK.effects.flashObject(greenSpecialCell, 0xFFFFFF, 200);
					destroyCells(cellsToDestroy);
					gridContainer.removeChild(greenSpecialCell);
					greenSpecialCell.destroy();
					gridCells[greenSpecialCell.row][greenSpecialCell.col] = null;
				}
			}, 350);
		}
	}
	tween(cell1, {
		x: pos2_x,
		y: pos2_y
	}, {
		duration: 300
	});
	tween(cell2, {
		x: pos1_x,
		y: pos1_y
	}, {
		duration: 300
	});
	selectedCell = null;
	LK.setTimeout(function () {
		checkForAndDestroyMatches(cell1, cell2);
		if (!window.destructionInProgress && !window.gravityInProgress && !window.fillInProgress) {
			isAnimating = false;
		}
	}, 350);
}
function getMatches() {
	var matches = [];
	function findDirectionalMatches(isHorizontal) {
		var primary, secondary;
		var primaryMax = isHorizontal ? gridSize + extraRows : gridSize;
		var secondaryMax = isHorizontal ? gridSize : gridSize + extraRows;
		for (primary = isHorizontal ? extraRows : 0; primary < primaryMax; primary++) {
			if (!gridCells[primary]) {
				continue;
			}
			for (secondary = 0; secondary < secondaryMax;) {
				if (secondary > secondaryMax - 3) {
					secondary++;
					continue;
				}
				var cell1 = isHorizontal ? gridCells[primary] ? gridCells[primary][secondary] : null : gridCells[secondary] ? gridCells[secondary][primary] : null;
				if (!cell1 || !cell1.value) {
					secondary++;
					continue;
				}
				var currentMatchValue = cell1.value;
				var currentMatchCells = [cell1];
				for (var k = secondary + 1; k < secondaryMax; k++) {
					var nextCell = isHorizontal ? gridCells[primary] ? gridCells[primary][k] : null : gridCells[k] ? gridCells[k][primary] : null;
					if (nextCell && nextCell.value === currentMatchValue) {
						currentMatchCells.push(nextCell);
					} else {
						LK.setTimeout(function () {
							if (!window.gravityInProgress && !window.fillInProgress) {
								comboInProgress = false;
								comboCounter = 0;
							}
						}, 500);
						break;
					}
				}
				if (currentMatchCells.length >= 3) {
					var validCells = currentMatchCells.filter(function (cell) {
						return cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell;
					});
					if (validCells.length >= 3) {
						var visibleCells = validCells.filter(function (cell) {
							return cell.row >= extraRows;
						});
						var invisibleCells = validCells.filter(function (cell) {
							return cell.row < extraRows;
						});
						if (visibleCells.length === 0 || invisibleCells.length === 0 || visibleCells.length >= 3) {
							validCells.isHorizontal = isHorizontal;
							validCells.matchType = currentMatchValue;
							matches.push(validCells);
						}
					}
				}
				secondary += currentMatchCells.length > 0 ? currentMatchCells.length : 1;
			}
		}
	}
	findDirectionalMatches(true);
	findDirectionalMatches(false);
	return matches;
}
function destroyCells(cellsToDestroy) {
	isAnimating = true;
	var destructionId = Date.now() + Math.random();
	var visibleCells = cellsToDestroy.filter(function (cell) {
		return cell.row >= extraRows;
	});
	var invisibleCells = cellsToDestroy.filter(function (cell) {
		return cell.row < extraRows;
	});
	if (visibleCells.length > 0 && invisibleCells.length > 0 && (visibleCells.length === 1 || invisibleCells.length === 1)) {
		isAnimating = false;
		return;
	}
	var visibleCellsToDestroy = cellsToDestroy.filter(function (cell) {
		return cell.row >= extraRows && cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell;
	});
	var centerCell = null;
	if (arguments.length > 1 && arguments[1]) {
		centerCell = arguments[1];
	} else if (cellsToDestroy.length > 0) {
		centerCell = cellsToDestroy[Math.floor(cellsToDestroy.length / 2)];
	}
	var cellsByType = {};
	visibleCellsToDestroy.forEach(function (cell) {
		if (!cellsByType[cell.value]) {
			cellsByType[cell.value] = [];
		}
		cellsByType[cell.value].push(cell);
	});
	var uniqueGroupCount = Object.keys(cellsByType).length;
	if (uniqueGroupCount > 0) {
		if (!comboInProgress) {
			comboCounter = uniqueGroupCount;
			comboInProgress = true;
		} else {
			comboCounter += uniqueGroupCount;
		}
		playComboSound(comboCounter);
	}
	function playComboSound(comboCount) {
		// Stop all combo sounds
		for (var i = 1; i <= 5; i++) {
			LK.getSound('Combo' + i).stop();
		}
		// Play appropriate combo sound based on count
		if (comboCount >= 9) {
			LK.getSound('Combo5').play();
		} else if (comboCount >= 6) {
			LK.getSound('Combo4').play();
		} else if (comboCount >= 4) {
			LK.getSound('Combo3').play();
		} else if (comboCount >= 3) {
			LK.getSound('Combo2').play();
		} else if (comboCount >= 2) {
			LK.getSound('Combo1').play();
		}
	}
	var specialCell = createSpecialCell(cellsByType, centerCell, visibleCellsToDestroy);
	if (specialCell) {
		visibleCellsToDestroy = visibleCellsToDestroy.filter(function (cell) {
			return cell !== specialCell;
		});
	}
	function createSpecialCell(cellsByType, centerCell, visibleCells) {
		var specialCell = null;
		for (var type in cellsByType) {
			var typeCells = cellsByType[type];
			var typeValue = parseInt(type);
			// Handle matches of 6 or more - create green special
			if (typeCells.length >= 6) {
				specialCell = chooseSpecialCell(centerCell, typeCells, typeValue);
				initializeSpecialCell(specialCell, 'green');
				return specialCell;
			}
			// Handle matches of 5 - create bomb special
			else if (typeCells.length === 5) {
				specialCell = chooseSpecialCell(centerCell, typeCells, typeValue);
				initializeSpecialCell(specialCell, 'bomb');
				return specialCell;
			}
			// Handle matches of 4 - create horizontal/vertical special
			else if (typeCells.length === 4) {
				var firstCell = typeCells[0];
				var isHorizontalMatch = true;
				var isVerticalMatch = true;
				for (var i = 1; i < typeCells.length; i++) {
					if (typeCells[i].row !== firstCell.row) {
						isHorizontalMatch = false;
					}
					if (typeCells[i].col !== firstCell.col) {
						isVerticalMatch = false;
					}
				}
				if (isHorizontalMatch || isVerticalMatch) {
					specialCell = chooseSpecialCell(centerCell, typeCells, typeValue);
					initializeSpecialCell(specialCell, isHorizontalMatch ? 'horizontal' : 'vertical');
					return specialCell;
				}
			}
		}
		return null;
	}
	function chooseSpecialCell(centerCell, typeCells, typeValue) {
		if (centerCell && centerCell.value === typeValue) {
			return centerCell;
		} else {
			return typeCells[0];
		}
	}
	function initializeSpecialCell(cell, specialType) {
		cell.isSpecial = true;
		cell.specialType = specialType;
		cell.beingDestroyed = false;
		cell.updateSpecialAppearance();
	}
	if (centerCell && visibleCellsToDestroy.length > 0) {
		visibleCellsToDestroy.sort(function (a, b) {
			var distA = Math.abs(a.row - centerCell.row) + Math.abs(a.col - centerCell.col);
			var distB = Math.abs(b.row - centerCell.row) + Math.abs(b.col - centerCell.col);
			return distA - distB;
		});
	}
	var totalDestructionTime = 0;
	visibleCellsToDestroy.forEach(function (cell) {
		if (cell) {
			cell.beingDestroyed = true;
			if (cell.isSpecial) {
				LK.setTimeout(function () {
					cell.activateSpecialPower();
				}, 100);
			}
		}
	});
	if (specialCell && specialCell.isSpecial) {
		if (specialCell.specialType === 'bomb') {
			specialCell.sprite.tint = 0x0088FF;
		} else if (specialCell.specialType === 'green') {
			specialCell.sprite.tint = 0x00FF00;
		} else {
			specialCell.sprite.tint = 0xFF8800;
		}
		LK.effects.flashObject(specialCell, 0xFFFFFF, 300);
	}
	destroyVisibleCells(visibleCellsToDestroy);
	function destroyVisibleCells(cells) {
		// Play sound once for all cells rather than for each cell
		if (cells.length > 0) {
			LK.getSound('Explosion').play();
		}
		cells.forEach(function (cell) {
			if (cell && cell.beingDestroyed && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell) {
				LK.effects.flashObject(cell, 0xFFFFFF, 200);
				gridContainer.removeChild(cell);
				cell.destroy();
				gridCells[cell.row][cell.col] = null;
			}
		});
	}
	var allCellsDestroyed = true;
	for (var r = 0; r < gridSize + extraRows; r++) {
		for (var c = 0; c < gridSize; c++) {
			if (gridCells[r] && gridCells[r][c] && gridCells[r][c].beingDestroyed) {
				allCellsDestroyed = false;
			}
		}
	}
	if (allCellsDestroyed && !window.gravityInProgress && !window.fillInProgress) {
		applyGravity();
	}
}
function applyGravity() {
	isAnimating = true;
	var cellsToFall = [];
	if (window.gravityInProgress) {
		return;
	}
	window.gravityInProgress = true;
	// Scan grid and find cells that need to fall
	processGridForGravity(cellsToFall);
	// Animation constants
	var baseDelay = 30;
	var constantDuration = 400;
	// Sort for consistent animation order
	cellsToFall.sort(function (a, b) {
		if (a.col !== b.col) {
			return a.col - b.col;
		}
		return b.toRow - a.toRow;
	});
	// Start animations
	var longestDelay = animateFallingCells(cellsToFall, baseDelay, constantDuration);
	// Schedule next step
	LK.setTimeout(function () {
		window.gravityInProgress = false;
		if (!window.destructionInProgress) {
			fillEmptySpacesWithNewMemes();
		}
	}, longestDelay + 50);
}
function processGridForGravity(cellsToFall) {
	for (var col = 0; col < gridSize; col++) {
		for (var row = gridSize + extraRows - 1; row >= extraRows; row--) {
			if (!gridCells[row][col]) {
				var sourceRow = row - 1;
				while (sourceRow >= 0 && !gridCells[sourceRow][col]) {
					sourceRow--;
				}
				if (sourceRow >= 0) {
					var cellToMove = gridCells[sourceRow][col];
					if (cellToMove) {
						cellsToFall.push({
							cell: cellToMove,
							fromRow: sourceRow,
							toRow: row,
							col: col
						});
						// Update grid data
						gridCells[row][col] = cellToMove;
						gridCells[sourceRow][col] = null;
						cellToMove.row = row;
						// Make hidden cells visible
						if (sourceRow < extraRows) {
							gridContainer.addChild(cellToMove);
						}
					}
				}
			}
		}
	}
}
function animateFallingCells(cellsToFall, baseDelay, duration) {
	var longestDelay = 0;
	cellsToFall.forEach(function (fallInfo, index) {
		var delay = index * baseDelay;
		var newPos = getCellPosition(fallInfo.toRow, fallInfo.col);
		var totalTime = delay + duration;
		if (totalTime > longestDelay) {
			longestDelay = totalTime;
		}
		LK.setTimeout(function () {
			if (isValidCell(fallInfo.cell)) {
				tween(fallInfo.cell, {
					y: newPos.y
				}, {
					duration: duration,
					easing: tween.linear
				});
			}
		}, delay);
	});
	return longestDelay;
}
function fillEmptySpacesWithNewMemes() {
	if (window.fillInProgress || window.gravityInProgress) {
		return;
	}
	window.fillInProgress = true;
	// Create and add new cells
	var newCellsToAdd = createNewCells();
	var anyNewMemeAdded = newCellsToAdd.length > 0;
	// Animation constants
	var baseDelay = 30;
	var constantDuration = 400;
	// Sort cells for consistent animation
	newCellsToAdd.sort(function (a, b) {
		if (a.col !== b.col) {
			return a.col - b.col;
		}
		return b.row - a.row;
	});
	// Animate new cells
	var longestDelay = animateNewCells(newCellsToAdd, baseDelay, constantDuration);
	// Handle completion
	if (anyNewMemeAdded) {
		LK.setTimeout(function () {
			window.fillInProgress = false;
			if (window.destructionInProgress || window.gravityInProgress) {
				isAnimating = false;
				return;
			}
			processNewMatches();
		}, longestDelay + 50);
	} else {
		window.fillInProgress = false;
		isAnimating = false;
		comboInProgress = false;
		comboCounter = 0;
	}
}
function createNewCells() {
	var newCells = [];
	for (var col = 0; col < gridSize; col++) {
		for (var row = 0; row < gridSize + extraRows; row++) {
			if (!gridCells[row][col]) {
				var newCell = getGridCell();
				var pos = getCellPosition(row, col);
				// Configure new cell
				newCell.x = pos.x;
				newCell.y = pos.y - 400; // Start above grid
				newCell.setValue(Math.floor(Math.random() * 5) + 1);
				newCell.row = row;
				newCell.col = col;
				// Update grid data
				gridCells[row][col] = newCell;
				// Track for animation
				newCells.push({
					cell: newCell,
					destY: pos.y,
					row: row,
					col: col
				});
				// Add to visible container if needed
				if (row >= extraRows) {
					gridContainer.addChild(newCell);
				}
			}
		}
	}
	return newCells;
}
function animateNewCells(cells, baseDelay, duration) {
	var longestDelay = 0;
	cells.forEach(function (cellData, index) {
		var delay = index * baseDelay;
		var totalTime = delay + duration;
		if (totalTime > longestDelay) {
			longestDelay = totalTime;
		}
		LK.setTimeout(function () {
			if (isValidCell(cellData.cell)) {
				tween(cellData.cell, {
					y: cellData.destY
				}, {
					duration: duration,
					easing: tween.linear
				});
			}
		}, delay);
	});
	return longestDelay;
}
function processNewMatches() {
	// Get matches with visible cells
	var visibleMatchGroups = getMatches().filter(function (group) {
		return isValidMatchGroup(group);
	});
	if (visibleMatchGroups.length > 0) {
		// Group matches by cell value type
		var matchesByType = groupMatchesByType(visibleMatchGroups);
		// Process each match type
		for (var type in matchesByType) {
			var typeGroups = matchesByType[type];
			var centerCell = null;
			if (typeGroups.length > 0 && typeGroups[0].length > 0) {
				var matchGroup = typeGroups[0];
				centerCell = matchGroup[Math.floor(matchGroup.length / 2)];
			}
			// Get unique cells of this type
			var typeCells = getUniqueCellsFromGroups(typeGroups);
			if (typeCells.length) {
				destroyCells(typeCells, centerCell);
			}
		}
		if (Object.keys(matchesByType).length === 0) {
			isAnimating = false;
		}
	} else {
		isAnimating = false;
	}
}
function isValidMatchGroup(group) {
	var visibleCells = group.filter(function (cell) {
		return cell.row >= extraRows;
	});
	var invisibleCells = group.filter(function (cell) {
		return cell.row < extraRows;
	});
	if (visibleCells.length > 0 && invisibleCells.length > 0 && visibleCells.length < 3) {
		return false;
	}
	return visibleCells.length >= 3;
}
function groupMatchesByType(matches) {
	var matchesByType = {};
	matches.forEach(function (group) {
		if (group.length > 0) {
			var type = group[0].value;
			if (!matchesByType[type]) {
				matchesByType[type] = [];
			}
			matchesByType[type].push(group);
		}
	});
	return matchesByType;
}
function getUniqueCellsFromGroups(groups) {
	var cells = [];
	var cellTracker = {};
	groups.forEach(function (group) {
		group.forEach(function (cell) {
			var cellKey = cell.row + "_" + cell.col;
			if (!cellTracker[cellKey] && isValidCell(cell)) {
				cells.push(cell);
				cellTracker[cellKey] = true;
			}
		});
	});
	return cells;
}
function checkForAndDestroyMatches(swappedCellA, swappedCellB) {
	if (window.gravityInProgress || window.fillInProgress) {
		return;
	}
	var allMatchGroupsOnBoard = getMatches();
	if (!allMatchGroupsOnBoard.length) {
		return;
	}
	var relevantMatchGroups = allMatchGroupsOnBoard.filter(function (group) {
		var visibleCells = group.filter(function (cell) {
			return cell.row >= extraRows;
		});
		var invisibleCells = group.filter(function (cell) {
			return cell.row < extraRows;
		});
		if (visibleCells.length > 0 && invisibleCells.length > 0 && visibleCells.length < 3) {
			return false;
		}
		return group.some(function (cellInGroup) {
			return (cellInGroup === swappedCellA || cellInGroup === swappedCellB) && cellInGroup.row >= extraRows;
		});
	});
	if (!relevantMatchGroups.length) {
		return;
	}
	var matchesByType = {};
	relevantMatchGroups.forEach(function (group) {
		if (group.length > 0) {
			var type = group[0].value;
			if (!matchesByType[type]) {
				matchesByType[type] = [];
			}
			matchesByType[type].push(group);
		}
	});
	var uniqueCellTracker = {};
	var cellsToDestroy = [];
	for (var type in matchesByType) {
		var typeGroups = matchesByType[type];
		var typeCells = [];
		typeGroups.forEach(function (group) {
			group.forEach(function (cell) {
				if (cell.row >= extraRows) {
					typeCells.push(cell);
				}
			});
		});
		typeCells.forEach(function (cell) {
			var cellKey = cell.row + "_" + cell.col;
			if (!uniqueCellTracker[cellKey] && cell.row >= extraRows && cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell) {
				cellsToDestroy.push(cell);
				uniqueCellTracker[cellKey] = true;
			}
		});
	}
	;
	if (cellsToDestroy.length) {
		var centerCell = swappedCellA && relevantMatchGroups.some(function (group) {
			return group.includes(swappedCellA);
		}) ? swappedCellA : swappedCellB;
		destroyCells(cellsToDestroy, centerCell);
		LK.setTimeout(function () {
			if (window.gravityInProgress || window.fillInProgress) {
				return;
			}
			var visibleMatchGroups = getMatches().filter(function (group) {
				var visibleCells = group.filter(function (cell) {
					return cell.row >= extraRows;
				});
				var invisibleCells = group.filter(function (cell) {
					return cell.row < extraRows;
				});
				if (visibleCells.length > 0 && invisibleCells.length > 0 && visibleCells.length < 3) {
					return false;
				}
				return visibleCells.length >= 3;
			});
			var newMatches = visibleMatchGroups;
			if (newMatches.length > 0) {
				var matchesByType = {};
				newMatches.forEach(function (group) {
					if (group.length > 0) {
						var type = group[0].value;
						if (!matchesByType[type]) {
							matchesByType[type] = [];
						}
						matchesByType[type].push(group);
					}
				});
				for (var type in matchesByType) {
					var typeGroups = matchesByType[type];
					var newCellsToDestroy = [];
					var newCellTracker = {};
					typeGroups.forEach(function (group) {
						group.forEach(function (cell) {
							var cellKey = cell.row + "_" + cell.col;
							if (!newCellTracker[cellKey] && cell.row >= extraRows && cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell) {
								newCellsToDestroy.push(cell);
								newCellTracker[cellKey] = true;
							}
						});
					});
					if (newCellsToDestroy.length) {
						var centerCell = newCellsToDestroy[Math.floor(newCellsToDestroy.length / 2)];
						destroyCells(newCellsToDestroy, centerCell);
					}
				}
			}
		}, 400);
	}
}
var gridSize = 8;
var extraRows = 9;
var cellSpacing = 10;
var cellSize = 208;
var gridCells = [];
var totalGridWidth = gridSize * cellSize + (gridSize - 1) * cellSpacing;
var totalVisibleGridHeight = totalGridWidth;
var totalGridHeight = totalVisibleGridHeight + extraRows * (cellSize + cellSpacing);
var startX = (2048 - totalGridWidth) / 2 + cellSize / 2;
var startY = (-1300 - totalVisibleGridHeight) / 2 + cellSize / 2 + extraRows * (cellSize + cellSpacing);
function getCellPosition(row, col) {
	return {
		x: startX + col * (cellSize + cellSpacing),
		y: startY + row * (cellSize + cellSpacing) - extraRows * (cellSize + cellSpacing)
	};
}
var gridContainer = new Container();
game.addChild(gridContainer);
function initializeGrid() {
	gridCells = [];
	for (var row = 0; row < gridSize + extraRows; row++) {
		gridCells[row] = [];
		for (var col = 0; col < gridSize; col++) {
			var pos = getCellPosition(row, col);
			var cell = getGridCell ? getGridCell() : new GridCell();
			cell.x = pos.x;
			cell.y = pos.y;
			cell.row = row;
			cell.col = col;
			var randomValue;
			var attempts = 0;
			do {
				randomValue = Math.floor(Math.random() * 5) + 1;
				attempts++;
				var leftMatchCount = 0;
				var aboveMatchCount = 0;
				if (col >= 2) {
					if (gridCells[row][col - 1].value === randomValue && gridCells[row][col - 2].value === randomValue) {
						leftMatchCount = 2;
					}
				}
				if (row >= 2) {
					if (gridCells[row - 1][col].value === randomValue && gridCells[row - 2][col].value === randomValue) {
						aboveMatchCount = 2;
					}
				}
			} while ((leftMatchCount >= 2 || aboveMatchCount >= 2) && attempts < 10);
			cell.setValue(randomValue);
			if (row >= extraRows) {
				gridContainer.addChild(cell);
			}
			gridCells[row][col] = cell;
		}
	}
}
initializeGrid();
function ensureNoInitialMatches() {
	var matches = getMatches();
	if (matches.length > 0) {
		matches.forEach(function (group) {
			group.forEach(function (cell) {
				var currentValue = cell.value;
				var newValue;
				do {
					newValue = Math.floor(Math.random() * 5) + 1;
				} while (newValue === currentValue);
				cell.setValue(newValue);
			});
		});
		ensureNoInitialMatches();
	}
}
ensureNoInitialMatches();

===================================================================
--- original.js
+++ change.js
@@ -36,9 +36,12 @@
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
 		self.addChild(self.sprite);
-		if (self.isSpecial) {
+		self.updateSpecialAppearance();
+	};
+	self.updateSpecialAppearance = function () {
+		if (self.isSpecial && self.sprite) {
 			if (self.specialType === 'bomb') {
 				self.sprite.tint = 0x0088FF;
 			} else if (self.specialType === 'green') {
 				self.sprite.tint = 0x00FF00;
@@ -165,20 +168,25 @@
 function handleCellTap(tappedCell) {
 	if (isAnimating || window.gravityInProgress || window.fillInProgress) {
 		return;
 	}
-	if (!tappedCell || !gridCells[tappedCell.row] || gridCells[tappedCell.row][tappedCell.col] !== tappedCell || tappedCell.beingDestroyed) {
+	if (!isValidCell(tappedCell)) {
 		return;
 	}
+	function isValidCell(cell) {
+		return cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell && !cell.beingDestroyed;
+	}
 	if (selectedCell !== null) {
 		if (selectedCell && gridCells[selectedCell.row] && gridCells[selectedCell.row][selectedCell.col] === selectedCell) {
+			var areAdjacentCells = function areAdjacentCells(cell1, cell2) {
+				return Math.abs(cell1.row - cell2.row) === 1 && cell1.col === cell2.col || Math.abs(cell1.col - cell2.col) === 1 && cell1.row === cell2.row;
+			};
 			if (selectedCell === tappedCell) {
 				selectedCell.hideSelection();
 				selectedCell = null;
 				return;
 			}
-			var isAdjacent = Math.abs(selectedCell.row - tappedCell.row) === 1 && selectedCell.col === tappedCell.col || Math.abs(selectedCell.col - tappedCell.col) === 1 && selectedCell.row === tappedCell.row;
-			if (!isAdjacent) {
+			if (!areAdjacentCells(selectedCell, tappedCell)) {
 				selectedCell.hideSelection();
 				selectedCell = tappedCell;
 				selectedCell.showSelection();
 				return;
@@ -579,86 +587,86 @@
 			comboInProgress = true;
 		} else {
 			comboCounter += uniqueGroupCount;
 		}
-		LK.getSound('Combo1').stop();
-		LK.getSound('Combo2').stop();
-		LK.getSound('Combo3').stop();
-		LK.getSound('Combo4').stop();
-		LK.getSound('Combo5').stop();
-		if (comboCounter >= 9) {
+		playComboSound(comboCounter);
+	}
+	function playComboSound(comboCount) {
+		// Stop all combo sounds
+		for (var i = 1; i <= 5; i++) {
+			LK.getSound('Combo' + i).stop();
+		}
+		// Play appropriate combo sound based on count
+		if (comboCount >= 9) {
 			LK.getSound('Combo5').play();
-		} else if (comboCounter >= 6) {
+		} else if (comboCount >= 6) {
 			LK.getSound('Combo4').play();
-		} else if (comboCounter >= 4) {
+		} else if (comboCount >= 4) {
 			LK.getSound('Combo3').play();
-		} else if (comboCounter >= 3) {
+		} else if (comboCount >= 3) {
 			LK.getSound('Combo2').play();
-		} else if (comboCounter >= 2) {
+		} else if (comboCount >= 2) {
 			LK.getSound('Combo1').play();
 		}
 	}
-	var specialCell = null;
-	var isHorizontalMatch = false;
-	var isVerticalMatch = false;
-	for (var type in cellsByType) {
-		var typeCells = cellsByType[type];
-		if (typeCells.length >= 6) {
-			if (centerCell && centerCell.value === parseInt(type)) {
-				specialCell = centerCell;
-			} else {
-				specialCell = typeCells[0];
+	var specialCell = createSpecialCell(cellsByType, centerCell, visibleCellsToDestroy);
+	if (specialCell) {
+		visibleCellsToDestroy = visibleCellsToDestroy.filter(function (cell) {
+			return cell !== specialCell;
+		});
+	}
+	function createSpecialCell(cellsByType, centerCell, visibleCells) {
+		var specialCell = null;
+		for (var type in cellsByType) {
+			var typeCells = cellsByType[type];
+			var typeValue = parseInt(type);
+			// Handle matches of 6 or more - create green special
+			if (typeCells.length >= 6) {
+				specialCell = chooseSpecialCell(centerCell, typeCells, typeValue);
+				initializeSpecialCell(specialCell, 'green');
+				return specialCell;
 			}
-			specialCell.isSpecial = true;
-			specialCell.specialType = 'green';
-			specialCell.beingDestroyed = false;
-			visibleCellsToDestroy = visibleCellsToDestroy.filter(function (cell) {
-				return cell !== specialCell;
-			});
-			break;
-		} else if (typeCells.length === 5) {
-			if (centerCell && centerCell.value === parseInt(type)) {
-				specialCell = centerCell;
-			} else {
-				specialCell = typeCells[0];
+			// Handle matches of 5 - create bomb special
+			else if (typeCells.length === 5) {
+				specialCell = chooseSpecialCell(centerCell, typeCells, typeValue);
+				initializeSpecialCell(specialCell, 'bomb');
+				return specialCell;
 			}
-			specialCell.isSpecial = true;
-			specialCell.specialType = 'bomb';
-			specialCell.beingDestroyed = false;
-			visibleCellsToDestroy = visibleCellsToDestroy.filter(function (cell) {
-				return cell !== specialCell;
-			});
-			break;
-		} else if (typeCells.length === 4) {
-			var allInSameRow = true;
-			var allInSameCol = true;
-			var firstCell = typeCells[0];
-			for (var i = 1; i < typeCells.length; i++) {
-				if (typeCells[i].row !== firstCell.row) {
-					allInSameRow = false;
+			// Handle matches of 4 - create horizontal/vertical special
+			else if (typeCells.length === 4) {
+				var firstCell = typeCells[0];
+				var isHorizontalMatch = true;
+				var isVerticalMatch = true;
+				for (var i = 1; i < typeCells.length; i++) {
+					if (typeCells[i].row !== firstCell.row) {
+						isHorizontalMatch = false;
+					}
+					if (typeCells[i].col !== firstCell.col) {
+						isVerticalMatch = false;
+					}
 				}
-				if (typeCells[i].col !== firstCell.col) {
-					allInSameCol = false;
+				if (isHorizontalMatch || isVerticalMatch) {
+					specialCell = chooseSpecialCell(centerCell, typeCells, typeValue);
+					initializeSpecialCell(specialCell, isHorizontalMatch ? 'horizontal' : 'vertical');
+					return specialCell;
 				}
 			}
-			isHorizontalMatch = allInSameRow;
-			isVerticalMatch = allInSameCol;
-			if (isHorizontalMatch || isVerticalMatch) {
-				if (centerCell && centerCell.value === parseInt(type)) {
-					specialCell = centerCell;
-				} else {
-					specialCell = typeCells[0];
-				}
-				specialCell.isSpecial = true;
-				specialCell.specialType = isHorizontalMatch ? 'horizontal' : 'vertical';
-				specialCell.beingDestroyed = false;
-				visibleCellsToDestroy = visibleCellsToDestroy.filter(function (cell) {
-					return cell !== specialCell;
-				});
-				break;
-			}
 		}
+		return null;
 	}
+	function chooseSpecialCell(centerCell, typeCells, typeValue) {
+		if (centerCell && centerCell.value === typeValue) {
+			return centerCell;
+		} else {
+			return typeCells[0];
+		}
+	}
+	function initializeSpecialCell(cell, specialType) {
+		cell.isSpecial = true;
+		cell.specialType = specialType;
+		cell.beingDestroyed = false;
+		cell.updateSpecialAppearance();
+	}
 	if (centerCell && visibleCellsToDestroy.length > 0) {
 		visibleCellsToDestroy.sort(function (a, b) {
 			var distA = Math.abs(a.row - centerCell.row) + Math.abs(a.col - centerCell.col);
 			var distB = Math.abs(b.row - centerCell.row) + Math.abs(b.col - centerCell.col);
@@ -685,17 +693,23 @@
 			specialCell.sprite.tint = 0xFF8800;
 		}
 		LK.effects.flashObject(specialCell, 0xFFFFFF, 300);
 	}
-	visibleCellsToDestroy.forEach(function (cell) {
-		if (cell && cell.beingDestroyed && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell) {
+	destroyVisibleCells(visibleCellsToDestroy);
+	function destroyVisibleCells(cells) {
+		// Play sound once for all cells rather than for each cell
+		if (cells.length > 0) {
 			LK.getSound('Explosion').play();
-			LK.effects.flashObject(cell, 0xFFFFFF, 200);
-			gridContainer.removeChild(cell);
-			cell.destroy();
-			gridCells[cell.row][cell.col] = null;
 		}
-	});
+		cells.forEach(function (cell) {
+			if (cell && cell.beingDestroyed && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell) {
+				LK.effects.flashObject(cell, 0xFFFFFF, 200);
+				gridContainer.removeChild(cell);
+				cell.destroy();
+				gridCells[cell.row][cell.col] = null;
+			}
+		});
+	}
 	var allCellsDestroyed = true;
 	for (var r = 0; r < gridSize + extraRows; r++) {
 		for (var c = 0; c < gridSize; c++) {
 			if (gridCells[r] && gridCells[r][c] && gridCells[r][c].beingDestroyed) {
@@ -713,8 +727,31 @@
 	if (window.gravityInProgress) {
 		return;
 	}
 	window.gravityInProgress = true;
+	// Scan grid and find cells that need to fall
+	processGridForGravity(cellsToFall);
+	// Animation constants
+	var baseDelay = 30;
+	var constantDuration = 400;
+	// Sort for consistent animation order
+	cellsToFall.sort(function (a, b) {
+		if (a.col !== b.col) {
+			return a.col - b.col;
+		}
+		return b.toRow - a.toRow;
+	});
+	// Start animations
+	var longestDelay = animateFallingCells(cellsToFall, baseDelay, constantDuration);
+	// Schedule next step
+	LK.setTimeout(function () {
+		window.gravityInProgress = false;
+		if (!window.destructionInProgress) {
+			fillEmptySpacesWithNewMemes();
+		}
+	}, longestDelay + 50);
+}
+function processGridForGravity(cellsToFall) {
 	for (var col = 0; col < gridSize; col++) {
 		for (var row = gridSize + extraRows - 1; row >= extraRows; row--) {
 			if (!gridCells[row][col]) {
 				var sourceRow = row - 1;
@@ -729,179 +766,201 @@
 							fromRow: sourceRow,
 							toRow: row,
 							col: col
 						});
+						// Update grid data
 						gridCells[row][col] = cellToMove;
 						gridCells[sourceRow][col] = null;
 						cellToMove.row = row;
+						// Make hidden cells visible
 						if (sourceRow < extraRows) {
 							gridContainer.addChild(cellToMove);
 						}
 					}
 				}
 			}
 		}
 	}
+}
+function animateFallingCells(cellsToFall, baseDelay, duration) {
 	var longestDelay = 0;
-	var baseDelay = 30;
-	var constantDuration = 400;
-	cellsToFall.sort(function (a, b) {
-		if (a.col !== b.col) {
-			return a.col - b.col;
-		}
-		return b.toRow - a.toRow;
-	});
 	cellsToFall.forEach(function (fallInfo, index) {
 		var delay = index * baseDelay;
 		var newPos = getCellPosition(fallInfo.toRow, fallInfo.col);
-		var totalTime = delay + constantDuration;
+		var totalTime = delay + duration;
 		if (totalTime > longestDelay) {
 			longestDelay = totalTime;
 		}
 		LK.setTimeout(function () {
-			if (fallInfo.cell && gridCells[fallInfo.cell.row] && gridCells[fallInfo.cell.row][fallInfo.cell.col] === fallInfo.cell) {
+			if (isValidCell(fallInfo.cell)) {
 				tween(fallInfo.cell, {
 					y: newPos.y
 				}, {
-					duration: constantDuration,
+					duration: duration,
 					easing: tween.linear
 				});
 			}
 		}, delay);
 	});
-	LK.setTimeout(function () {
-		window.gravityInProgress = false;
-		if (!window.destructionInProgress) {
-			fillEmptySpacesWithNewMemes();
-		}
-	}, longestDelay + 50);
+	return longestDelay;
 }
 function fillEmptySpacesWithNewMemes() {
 	if (window.fillInProgress || window.gravityInProgress) {
 		return;
 	}
 	window.fillInProgress = true;
-	var anyNewMemeAdded = false;
-	var newCellsToAdd = [];
+	// Create and add new cells
+	var newCellsToAdd = createNewCells();
+	var anyNewMemeAdded = newCellsToAdd.length > 0;
+	// Animation constants
+	var baseDelay = 30;
+	var constantDuration = 400;
+	// Sort cells for consistent animation
+	newCellsToAdd.sort(function (a, b) {
+		if (a.col !== b.col) {
+			return a.col - b.col;
+		}
+		return b.row - a.row;
+	});
+	// Animate new cells
+	var longestDelay = animateNewCells(newCellsToAdd, baseDelay, constantDuration);
+	// Handle completion
+	if (anyNewMemeAdded) {
+		LK.setTimeout(function () {
+			window.fillInProgress = false;
+			if (window.destructionInProgress || window.gravityInProgress) {
+				isAnimating = false;
+				return;
+			}
+			processNewMatches();
+		}, longestDelay + 50);
+	} else {
+		window.fillInProgress = false;
+		isAnimating = false;
+		comboInProgress = false;
+		comboCounter = 0;
+	}
+}
+function createNewCells() {
+	var newCells = [];
 	for (var col = 0; col < gridSize; col++) {
 		for (var row = 0; row < gridSize + extraRows; row++) {
 			if (!gridCells[row][col]) {
-				anyNewMemeAdded = true;
 				var newCell = getGridCell();
 				var pos = getCellPosition(row, col);
+				// Configure new cell
 				newCell.x = pos.x;
-				newCell.y = pos.y - 400;
-				var randomValue = Math.floor(Math.random() * 5) + 1;
-				newCell.setValue(randomValue);
+				newCell.y = pos.y - 400; // Start above grid
+				newCell.setValue(Math.floor(Math.random() * 5) + 1);
 				newCell.row = row;
 				newCell.col = col;
+				// Update grid data
 				gridCells[row][col] = newCell;
-				newCellsToAdd.push({
+				// Track for animation
+				newCells.push({
 					cell: newCell,
 					destY: pos.y,
 					row: row,
 					col: col
 				});
+				// Add to visible container if needed
 				if (row >= extraRows) {
 					gridContainer.addChild(newCell);
 				}
 			}
 		}
 	}
+	return newCells;
+}
+function animateNewCells(cells, baseDelay, duration) {
 	var longestDelay = 0;
-	var baseDelay = 30;
-	var constantDuration = 400;
-	newCellsToAdd.sort(function (a, b) {
-		if (a.col !== b.col) {
-			return a.col - b.col;
-		}
-		return b.row - a.row;
-	});
-	newCellsToAdd.forEach(function (cellData, index) {
+	cells.forEach(function (cellData, index) {
 		var delay = index * baseDelay;
-		var totalTime = delay + constantDuration;
+		var totalTime = delay + duration;
 		if (totalTime > longestDelay) {
 			longestDelay = totalTime;
 		}
 		LK.setTimeout(function () {
-			if (cellData.cell && gridCells[cellData.row] && gridCells[cellData.row][cellData.col] === cellData.cell) {
+			if (isValidCell(cellData.cell)) {
 				tween(cellData.cell, {
 					y: cellData.destY
 				}, {
-					duration: constantDuration,
+					duration: duration,
 					easing: tween.linear
 				});
 			}
 		}, delay);
 	});
-	if (anyNewMemeAdded) {
-		LK.setTimeout(function () {
-			window.fillInProgress = false;
-			if (window.destructionInProgress || window.gravityInProgress) {
-				isAnimating = false;
-				return;
+	return longestDelay;
+}
+function processNewMatches() {
+	// Get matches with visible cells
+	var visibleMatchGroups = getMatches().filter(function (group) {
+		return isValidMatchGroup(group);
+	});
+	if (visibleMatchGroups.length > 0) {
+		// Group matches by cell value type
+		var matchesByType = groupMatchesByType(visibleMatchGroups);
+		// Process each match type
+		for (var type in matchesByType) {
+			var typeGroups = matchesByType[type];
+			var centerCell = null;
+			if (typeGroups.length > 0 && typeGroups[0].length > 0) {
+				var matchGroup = typeGroups[0];
+				centerCell = matchGroup[Math.floor(matchGroup.length / 2)];
 			}
-			var visibleMatchGroups = getMatches().filter(function (group) {
-				var visibleCells = group.filter(function (cell) {
-					return cell.row >= extraRows;
-				});
-				var invisibleCells = group.filter(function (cell) {
-					return cell.row < extraRows;
-				});
-				if (visibleCells.length > 0 && invisibleCells.length > 0 && visibleCells.length < 3) {
-					return false;
-				}
-				return visibleCells.length >= 3;
-			});
-			var newMatches = visibleMatchGroups;
-			if (newMatches.length > 0) {
-				var matchesByType = {};
-				newMatches.forEach(function (group) {
-					if (group.length > 0) {
-						var type = group[0].value;
-						if (!matchesByType[type]) {
-							matchesByType[type] = [];
-						}
-						matchesByType[type].push(group);
-					}
-				});
-				var newCellsToDestroy = [];
-				var newCellTracker = {};
-				for (var type in matchesByType) {
-					var typeGroups = matchesByType[type];
-					var centerCell = null;
-					if (typeGroups.length > 0 && typeGroups[0].length > 0) {
-						var matchGroup = typeGroups[0];
-						centerCell = matchGroup[Math.floor(matchGroup.length / 2)];
-					}
-					var typeCells = [];
-					typeGroups.forEach(function (group) {
-						group.forEach(function (cell) {
-							var cellKey = cell.row + "_" + cell.col;
-							if (!newCellTracker[cellKey] && cell.row >= extraRows && cell && gridCells[cell.row] && gridCells[cell.row][cell.col] === cell) {
-								typeCells.push(cell);
-								newCellTracker[cellKey] = true;
-							}
-						});
-					});
-					if (typeCells.length) {
-						destroyCells(typeCells, centerCell);
-					}
-				}
-				if (Object.keys(matchesByType).length === 0) {
-					isAnimating = false;
-				}
-			} else {
-				isAnimating = false;
+			// Get unique cells of this type
+			var typeCells = getUniqueCellsFromGroups(typeGroups);
+			if (typeCells.length) {
+				destroyCells(typeCells, centerCell);
 			}
-		}, longestDelay + 50);
+		}
+		if (Object.keys(matchesByType).length === 0) {
+			isAnimating = false;
+		}
 	} else {
-		window.fillInProgress = false;
 		isAnimating = false;
-		comboInProgress = false;
-		comboCounter = 0;
 	}
 }
+function isValidMatchGroup(group) {
+	var visibleCells = group.filter(function (cell) {
+		return cell.row >= extraRows;
+	});
+	var invisibleCells = group.filter(function (cell) {
+		return cell.row < extraRows;
+	});
+	if (visibleCells.length > 0 && invisibleCells.length > 0 && visibleCells.length < 3) {
+		return false;
+	}
+	return visibleCells.length >= 3;
+}
+function groupMatchesByType(matches) {
+	var matchesByType = {};
+	matches.forEach(function (group) {
+		if (group.length > 0) {
+			var type = group[0].value;
+			if (!matchesByType[type]) {
+				matchesByType[type] = [];
+			}
+			matchesByType[type].push(group);
+		}
+	});
+	return matchesByType;
+}
+function getUniqueCellsFromGroups(groups) {
+	var cells = [];
+	var cellTracker = {};
+	groups.forEach(function (group) {
+		group.forEach(function (cell) {
+			var cellKey = cell.row + "_" + cell.col;
+			if (!cellTracker[cellKey] && isValidCell(cell)) {
+				cells.push(cell);
+				cellTracker[cellKey] = true;
+			}
+		});
+	});
+	return cells;
+}
 function checkForAndDestroyMatches(swappedCellA, swappedCellB) {
 	if (window.gravityInProgress || window.fillInProgress) {
 		return;
 	}