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

/**** 
* Classes
****/ 
var PetTile = Container.expand(function (type, gridX, gridY) {
	var self = Container.call(this);
	self.type = type;
	self.gridX = gridX;
	self.gridY = gridY;
	self.isSelected = false;
	self.isMatched = false;
	var tileColors = {
		'dog': 0xF4A460,
		'cat': 0xFF69B4,
		'bird': 0x87CEEB,
		'fish': 0x40E0D0,
		'hamster': 0xFFDAB9
	};
	var tileAssets = {
		'dog': 'dogTile',
		'cat': 'catTile',
		'bird': 'birdTile',
		'fish': 'fishTile',
		'hamster': 'hamsterTile'
	};
	var tileGraphics = self.attachAsset(tileAssets[type], {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.select = function () {
		self.isSelected = true;
		tween(tileGraphics, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200
		});
	};
	self.deselect = function () {
		self.isSelected = false;
		tween(tileGraphics, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 200
		});
	};
	self.markMatched = function () {
		self.isMatched = true;
		tween(tileGraphics, {
			alpha: 0,
			scaleX: 0.1,
			scaleY: 0.1
		}, {
			duration: 300,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	self.down = function (x, y, obj) {
		if (!gameStarted || gameOver) return;
		if (selectedTile === null) {
			selectedTile = self;
			self.select();
		} else if (selectedTile === self) {
			selectedTile.deselect();
			selectedTile = null;
		} else {
			if (areAdjacent(selectedTile, self)) {
				swapTiles(selectedTile, self);
			}
			selectedTile.deselect();
			selectedTile = null;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x90EE90
});

/**** 
* Game Code
****/ 
var gridWidth = 6;
var gridHeight = 8;
var tileSize = 220;
var grid = [];
var selectedTile = null;
var gameStarted = false;
var gameOver = false;
var timeLeft = 300;
var difficulty = 'easy';
var targetScore = 50000;
var petTypes = ['dog', 'cat', 'bird', 'fish', 'hamster'];
// UI Elements
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var timerText = new Text2('Time: 5:00', {
	size: 60,
	fill: 0xFFFFFF
});
timerText.anchor.set(1, 0);
LK.gui.topRight.addChild(timerText);
var startButton = new Text2('START GAME', {
	size: 100,
	fill: 0xFFFFFF
});
startButton.anchor.set(0.5, 0.5);
startButton.x = 2048 / 2;
startButton.y = 2732 / 2;
game.addChild(startButton);
// Difficulty buttons
var easyButton = new Text2('EASY (5min)', {
	size: 60,
	fill: 0x00FF00
});
easyButton.anchor.set(0.5, 0.5);
easyButton.x = 2048 / 2;
easyButton.y = 2732 / 2 - 200;
game.addChild(easyButton);
var mediumButton = new Text2('MEDIUM (3min)', {
	size: 60,
	fill: 0xFFFF00
});
mediumButton.anchor.set(0.5, 0.5);
mediumButton.x = 2048 / 2;
mediumButton.y = 2732 / 2 - 100;
game.addChild(mediumButton);
var hardButton = new Text2('HARD (2min)', {
	size: 60,
	fill: 0xFF0000
});
hardButton.anchor.set(0.5, 0.5);
hardButton.x = 2048 / 2;
hardButton.y = 2732 / 2;
game.addChild(hardButton);
// Game timer
var gameTimer = null;
function initializeGrid() {
	// Clear existing grid
	for (var i = 0; i < grid.length; i++) {
		for (var j = 0; j < grid[i].length; j++) {
			if (grid[i][j]) {
				grid[i][j].destroy();
			}
		}
	}
	grid = [];
	// Random grid layout
	var layouts = [{
		width: 6,
		height: 8
	}, {
		width: 7,
		height: 7
	}, {
		width: 8,
		height: 6
	}];
	var layout = layouts[Math.floor(Math.random() * layouts.length)];
	gridWidth = layout.width;
	gridHeight = layout.height;
	// Initialize grid array
	for (var i = 0; i < gridWidth; i++) {
		grid[i] = [];
		for (var j = 0; j < gridHeight; j++) {
			grid[i][j] = null;
		}
	}
	// Calculate grid position to center it
	var gridPixelWidth = gridWidth * tileSize;
	var gridPixelHeight = gridHeight * tileSize;
	var startX = (2048 - gridPixelWidth) / 2 + tileSize / 2;
	var startY = (2732 - gridPixelHeight) / 2 + tileSize / 2;
	// Create background tiles
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight; j++) {
			var bg = LK.getAsset('gridBackground', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			bg.x = startX + i * tileSize;
			bg.y = startY + j * tileSize;
			game.addChild(bg);
		}
	}
	// Fill grid with random tiles
	fillGrid();
}
function fillGrid() {
	var gridPixelWidth = gridWidth * tileSize;
	var gridPixelHeight = gridHeight * tileSize;
	var startX = (2048 - gridPixelWidth) / 2 + tileSize / 2;
	var startY = (2732 - gridPixelHeight) / 2 + tileSize / 2;
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight; j++) {
			if (grid[i][j] === null) {
				var type = getRandomPetType(i, j);
				var tile = new PetTile(type, i, j);
				tile.x = startX + i * tileSize;
				tile.y = startY + j * tileSize;
				grid[i][j] = tile;
				game.addChild(tile);
			}
		}
	}
}
function getRandomPetType(x, y) {
	var attempts = 0;
	var type;
	do {
		type = petTypes[Math.floor(Math.random() * petTypes.length)];
		attempts++;
	} while (attempts < 10 && wouldCreateMatch(x, y, type));
	return type;
}
function wouldCreateMatch(x, y, type) {
	// Check horizontal
	var horizontalCount = 1;
	// Check left
	for (var i = x - 1; i >= 0 && grid[i][y] && grid[i][y].type === type; i--) {
		horizontalCount++;
	}
	// Check right
	for (var i = x + 1; i < gridWidth && grid[i][y] && grid[i][y].type === type; i++) {
		horizontalCount++;
	}
	// Check vertical
	var verticalCount = 1;
	// Check up
	for (var j = y - 1; j >= 0 && grid[x][j] && grid[x][j].type === type; j--) {
		verticalCount++;
	}
	// Check down
	for (var j = y + 1; j < gridHeight && grid[x][j] && grid[x][j].type === type; j++) {
		verticalCount++;
	}
	return horizontalCount >= 3 || verticalCount >= 3;
}
function areAdjacent(tile1, tile2) {
	var dx = Math.abs(tile1.gridX - tile2.gridX);
	var dy = Math.abs(tile1.gridY - tile2.gridY);
	return dx === 1 && dy === 0 || dx === 0 && dy === 1;
}
function swapTiles(tile1, tile2) {
	LK.getSound('swap').play();
	// Swap grid positions
	var tempX = tile1.gridX;
	var tempY = tile1.gridY;
	tile1.gridX = tile2.gridX;
	tile1.gridY = tile2.gridY;
	tile2.gridX = tempX;
	tile2.gridY = tempY;
	// Swap in grid array
	grid[tile1.gridX][tile1.gridY] = tile1;
	grid[tile2.gridX][tile2.gridY] = tile2;
	// Animate swap
	var tile1TargetX = tile1.x;
	var tile1TargetY = tile1.y;
	var tile2TargetX = tile2.x;
	var tile2TargetY = tile2.y;
	tween(tile1, {
		x: tile2TargetX,
		y: tile2TargetY
	}, {
		duration: 300
	});
	tween(tile2, {
		x: tile1TargetX,
		y: tile1TargetY
	}, {
		duration: 300,
		onFinish: function onFinish() {
			checkForMatches();
		}
	});
}
function checkForMatches() {
	var matches = findMatches();
	if (matches.length > 0) {
		LK.getSound('match').play();
		// Calculate score and create effects based on match size
		var matchScore = 0;
		for (var i = 0; i < matches.length; i++) {
			var matchSize = matches[i].length;
			var match = matches[i];
			// Calculate center position of match for effects
			var centerX = 0;
			var centerY = 0;
			for (var k = 0; k < match.length; k++) {
				centerX += match[k].x;
				centerY += match[k].y;
			}
			centerX /= match.length;
			centerY /= match.length;
			if (matchSize === 3) {
				matchScore += 1000;
				createStarEffect(centerX, centerY);
			} else if (matchSize === 4) {
				matchScore += 3000;
				createConfettiEffect(centerX, centerY);
			} else if (matchSize >= 5) {
				matchScore += 5000;
				createFireworkEffect(centerX, centerY);
			}
		}
		LK.setScore(LK.getScore() + matchScore);
		scoreText.setText('Score: ' + LK.getScore());
		// Mark matched tiles
		for (var i = 0; i < matches.length; i++) {
			for (var j = 0; j < matches[i].length; j++) {
				var tile = matches[i][j];
				tile.markMatched();
				grid[tile.gridX][tile.gridY] = null;
			}
		}
		// Wait for animation then refill
		LK.setTimeout(function () {
			dropTiles();
			fillGrid();
			LK.setTimeout(function () {
				checkForMatches();
			}, 300);
		}, 300);
	}
}
function findMatches() {
	var matches = [];
	var checked = [];
	// Initialize checked array
	for (var i = 0; i < gridWidth; i++) {
		checked[i] = [];
		for (var j = 0; j < gridHeight; j++) {
			checked[i][j] = false;
		}
	}
	// Find horizontal matches
	for (var j = 0; j < gridHeight; j++) {
		for (var i = 0; i < gridWidth - 2; i++) {
			if (grid[i][j] && grid[i + 1][j] && grid[i + 2][j] && grid[i][j].type === grid[i + 1][j].type && grid[i][j].type === grid[i + 2][j].type) {
				var match = [];
				var k = i;
				while (k < gridWidth && grid[k][j] && grid[k][j].type === grid[i][j].type) {
					if (!checked[k][j]) {
						match.push(grid[k][j]);
						checked[k][j] = true;
					}
					k++;
				}
				if (match.length >= 3) {
					matches.push(match);
				}
			}
		}
	}
	// Find vertical matches
	for (var i = 0; i < gridWidth; i++) {
		for (var j = 0; j < gridHeight - 2; j++) {
			if (grid[i][j] && grid[i][j + 1] && grid[i][j + 2] && grid[i][j].type === grid[i][j + 1].type && grid[i][j].type === grid[i][j + 2].type) {
				var match = [];
				var k = j;
				while (k < gridHeight && grid[i][k] && grid[i][k].type === grid[i][j].type) {
					if (!checked[i][k]) {
						match.push(grid[i][k]);
						checked[i][k] = true;
					}
					k++;
				}
				if (match.length >= 3) {
					matches.push(match);
				}
			}
		}
	}
	return matches;
}
function dropTiles() {
	for (var i = 0; i < gridWidth; i++) {
		var writeIndex = gridHeight - 1;
		for (var j = gridHeight - 1; j >= 0; j--) {
			if (grid[i][j] !== null) {
				if (j !== writeIndex) {
					grid[i][writeIndex] = grid[i][j];
					grid[i][j] = null;
					grid[i][writeIndex].gridY = writeIndex;
					var gridPixelWidth = gridWidth * tileSize;
					var gridPixelHeight = gridHeight * tileSize;
					var startX = (2048 - gridPixelWidth) / 2 + tileSize / 2;
					var startY = (2732 - gridPixelHeight) / 2 + tileSize / 2;
					var targetY = startY + writeIndex * tileSize;
					tween(grid[i][writeIndex], {
						y: targetY
					}, {
						duration: 200
					});
				}
				writeIndex--;
			}
		}
	}
}
function formatTime(seconds) {
	var minutes = Math.floor(seconds / 60);
	var remainingSeconds = seconds % 60;
	return minutes + ':' + (remainingSeconds < 10 ? '0' : '') + remainingSeconds;
}
function createStarEffect(x, y) {
	for (var i = 0; i < 6; i++) {
		var star = LK.getAsset('star', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		star.x = x + (Math.random() - 0.5) * 200;
		star.y = y + (Math.random() - 0.5) * 200;
		star.alpha = 0.8;
		game.addChild(star);
		tween(star, {
			scaleX: 2,
			scaleY: 2,
			alpha: 0,
			rotation: Math.PI * 2
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				star.destroy();
			}
		});
	}
}
function createConfettiEffect(x, y) {
	for (var i = 0; i < 12; i++) {
		var confetti = LK.getAsset('confetti', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		confetti.x = x + (Math.random() - 0.5) * 300;
		confetti.y = y + (Math.random() - 0.5) * 300;
		confetti.tint = Math.random() * 0xFFFFFF;
		confetti.rotation = Math.random() * Math.PI * 2;
		game.addChild(confetti);
		tween(confetti, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0,
			y: confetti.y + 400,
			rotation: confetti.rotation + Math.PI * 4
		}, {
			duration: 1500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				confetti.destroy();
			}
		});
	}
}
function createFireworkEffect(x, y) {
	for (var i = 0; i < 20; i++) {
		var firework = LK.getAsset('firework', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		var angle = i / 20 * Math.PI * 2;
		var distance = 300;
		firework.x = x;
		firework.y = y;
		firework.tint = Math.random() * 0xFFFFFF;
		firework.scaleX = 0.3;
		firework.scaleY = 0.3;
		game.addChild(firework);
		tween(firework, {
			x: x + Math.cos(angle) * distance,
			y: y + Math.sin(angle) * distance,
			scaleX: 1.2,
			scaleY: 1.2,
			alpha: 0
		}, {
			duration: 2000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				firework.destroy();
			}
		});
	}
}
function startGame() {
	gameStarted = true;
	gameOver = false;
	LK.setScore(0);
	// Hide menu buttons
	startButton.visible = false;
	easyButton.visible = false;
	mediumButton.visible = false;
	hardButton.visible = false;
	initializeGrid();
	// Start timer
	gameTimer = LK.setInterval(function () {
		timeLeft--;
		timerText.setText('Time: ' + formatTime(timeLeft));
		if (timeLeft <= 0) {
			endGame();
		}
	}, 1000);
}
function endGame() {
	gameOver = true;
	LK.clearInterval(gameTimer);
	if (LK.getScore() >= 10000) {
		LK.showYouWin();
	} else {
		LK.showGameOver();
	}
}
// Difficulty button handlers
easyButton.down = function (x, y, obj) {
	difficulty = 'easy';
	timeLeft = 300;
	timerText.setText('Time: ' + formatTime(timeLeft));
	startGame();
};
mediumButton.down = function (x, y, obj) {
	difficulty = 'medium';
	timeLeft = 180;
	timerText.setText('Time: ' + formatTime(timeLeft));
	startGame();
};
hardButton.down = function (x, y, obj) {
	difficulty = 'hard';
	timeLeft = 120;
	timerText.setText('Time: ' + formatTime(timeLeft));
	startGame();
};
startButton.down = function (x, y, obj) {
	startGame();
};
game.update = function () {
	// Game loop runs here
};

===================================================================
--- original.js
+++ change.js
@@ -97,9 +97,9 @@
 var grid = [];
 var selectedTile = null;
 var gameStarted = false;
 var gameOver = false;
-var timeLeft = 60;
+var timeLeft = 300;
 var difficulty = 'easy';
 var targetScore = 50000;
 var petTypes = ['dog', 'cat', 'bird', 'fish', 'hamster'];
 // UI Elements
@@ -108,9 +108,9 @@
 	fill: 0xFFFFFF
 });
 scoreText.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreText);
-var timerText = new Text2('Time: 60', {
+var timerText = new Text2('Time: 5:00', {
 	size: 60,
 	fill: 0xFFFFFF
 });
 timerText.anchor.set(1, 0);
@@ -123,25 +123,25 @@
 startButton.x = 2048 / 2;
 startButton.y = 2732 / 2;
 game.addChild(startButton);
 // Difficulty buttons
-var easyButton = new Text2('EASY (60s)', {
+var easyButton = new Text2('EASY (5min)', {
 	size: 60,
 	fill: 0x00FF00
 });
 easyButton.anchor.set(0.5, 0.5);
 easyButton.x = 2048 / 2;
 easyButton.y = 2732 / 2 - 200;
 game.addChild(easyButton);
-var mediumButton = new Text2('MEDIUM (45s)', {
+var mediumButton = new Text2('MEDIUM (3min)', {
 	size: 60,
 	fill: 0xFFFF00
 });
 mediumButton.anchor.set(0.5, 0.5);
 mediumButton.x = 2048 / 2;
 mediumButton.y = 2732 / 2 - 100;
 game.addChild(mediumButton);
-var hardButton = new Text2('HARD (30s)', {
+var hardButton = new Text2('HARD (2min)', {
 	size: 60,
 	fill: 0xFF0000
 });
 hardButton.anchor.set(0.5, 0.5);
@@ -292,18 +292,31 @@
 function checkForMatches() {
 	var matches = findMatches();
 	if (matches.length > 0) {
 		LK.getSound('match').play();
-		// Calculate score based on match size
+		// Calculate score and create effects based on match size
 		var matchScore = 0;
 		for (var i = 0; i < matches.length; i++) {
 			var matchSize = matches[i].length;
+			var match = matches[i];
+			// Calculate center position of match for effects
+			var centerX = 0;
+			var centerY = 0;
+			for (var k = 0; k < match.length; k++) {
+				centerX += match[k].x;
+				centerY += match[k].y;
+			}
+			centerX /= match.length;
+			centerY /= match.length;
 			if (matchSize === 3) {
 				matchScore += 1000;
+				createStarEffect(centerX, centerY);
 			} else if (matchSize === 4) {
 				matchScore += 3000;
+				createConfettiEffect(centerX, centerY);
 			} else if (matchSize >= 5) {
 				matchScore += 5000;
+				createFireworkEffect(centerX, centerY);
 			}
 		}
 		LK.setScore(LK.getScore() + matchScore);
 		scoreText.setText('Score: ' + LK.getScore());
@@ -399,8 +412,92 @@
 			}
 		}
 	}
 }
+function formatTime(seconds) {
+	var minutes = Math.floor(seconds / 60);
+	var remainingSeconds = seconds % 60;
+	return minutes + ':' + (remainingSeconds < 10 ? '0' : '') + remainingSeconds;
+}
+function createStarEffect(x, y) {
+	for (var i = 0; i < 6; i++) {
+		var star = LK.getAsset('star', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		star.x = x + (Math.random() - 0.5) * 200;
+		star.y = y + (Math.random() - 0.5) * 200;
+		star.alpha = 0.8;
+		game.addChild(star);
+		tween(star, {
+			scaleX: 2,
+			scaleY: 2,
+			alpha: 0,
+			rotation: Math.PI * 2
+		}, {
+			duration: 1000,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				star.destroy();
+			}
+		});
+	}
+}
+function createConfettiEffect(x, y) {
+	for (var i = 0; i < 12; i++) {
+		var confetti = LK.getAsset('confetti', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		confetti.x = x + (Math.random() - 0.5) * 300;
+		confetti.y = y + (Math.random() - 0.5) * 300;
+		confetti.tint = Math.random() * 0xFFFFFF;
+		confetti.rotation = Math.random() * Math.PI * 2;
+		game.addChild(confetti);
+		tween(confetti, {
+			scaleX: 1.5,
+			scaleY: 1.5,
+			alpha: 0,
+			y: confetti.y + 400,
+			rotation: confetti.rotation + Math.PI * 4
+		}, {
+			duration: 1500,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				confetti.destroy();
+			}
+		});
+	}
+}
+function createFireworkEffect(x, y) {
+	for (var i = 0; i < 20; i++) {
+		var firework = LK.getAsset('firework', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		var angle = i / 20 * Math.PI * 2;
+		var distance = 300;
+		firework.x = x;
+		firework.y = y;
+		firework.tint = Math.random() * 0xFFFFFF;
+		firework.scaleX = 0.3;
+		firework.scaleY = 0.3;
+		game.addChild(firework);
+		tween(firework, {
+			x: x + Math.cos(angle) * distance,
+			y: y + Math.sin(angle) * distance,
+			scaleX: 1.2,
+			scaleY: 1.2,
+			alpha: 0
+		}, {
+			duration: 2000,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				firework.destroy();
+			}
+		});
+	}
+}
 function startGame() {
 	gameStarted = true;
 	gameOver = false;
 	LK.setScore(0);
@@ -412,40 +509,40 @@
 	initializeGrid();
 	// Start timer
 	gameTimer = LK.setInterval(function () {
 		timeLeft--;
-		timerText.setText('Time: ' + timeLeft);
+		timerText.setText('Time: ' + formatTime(timeLeft));
 		if (timeLeft <= 0) {
 			endGame();
 		}
 	}, 1000);
 }
 function endGame() {
 	gameOver = true;
 	LK.clearInterval(gameTimer);
-	if (LK.getScore() >= 10000 && LK.getScore() <= 100000) {
+	if (LK.getScore() >= 10000) {
 		LK.showYouWin();
 	} else {
 		LK.showGameOver();
 	}
 }
 // Difficulty button handlers
 easyButton.down = function (x, y, obj) {
 	difficulty = 'easy';
-	timeLeft = 60;
-	timerText.setText('Time: ' + timeLeft);
+	timeLeft = 300;
+	timerText.setText('Time: ' + formatTime(timeLeft));
 	startGame();
 };
 mediumButton.down = function (x, y, obj) {
 	difficulty = 'medium';
-	timeLeft = 45;
-	timerText.setText('Time: ' + timeLeft);
+	timeLeft = 180;
+	timerText.setText('Time: ' + formatTime(timeLeft));
 	startGame();
 };
 hardButton.down = function (x, y, obj) {
 	difficulty = 'hard';
-	timeLeft = 30;
-	timerText.setText('Time: ' + timeLeft);
+	timeLeft = 120;
+	timerText.setText('Time: ' + formatTime(timeLeft));
 	startGame();
 };
 startButton.down = function (x, y, obj) {
 	startGame();