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

/**** 
* Classes
****/ 
var Card = Container.expand(function (labubuColor) {
	var self = Container.call(this);
	self.labubuColor = labubuColor;
	self.isFlipped = false;
	self.isMatched = false;
	self.isFlipping = false;
	// Create card back outline
	self.cardBackOutline = self.attachAsset('cardBackOutline', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create card back
	self.cardBack = self.attachAsset('cardBack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create card front
	self.cardFront = self.attachAsset('cardFront', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0,
		alpha: 0
	});
	// Create Labubu character
	self.labubu = self.cardFront.addChild(LK.getAsset(labubuColor, {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	self.flip = function (callback) {
		if (self.isFlipping || self.isMatched) return;
		self.isFlipping = true;
		LK.getSound('cardFlip').play();
		if (!self.isFlipped) {
			// Flip to front
			tween(self.cardBack, {
				scaleX: 0
			}, {
				duration: 150,
				onFinish: function onFinish() {
					self.cardBack.alpha = 0;
					self.cardBackOutline.alpha = 0;
					self.cardFront.alpha = 1;
					tween(self.cardFront, {
						scaleX: 1
					}, {
						duration: 150,
						onFinish: function onFinish() {
							self.isFlipped = true;
							self.isFlipping = false;
							if (callback) callback();
						}
					});
				}
			});
		} else {
			// Flip to back
			tween(self.cardFront, {
				scaleX: 0
			}, {
				duration: 150,
				onFinish: function onFinish() {
					self.cardFront.alpha = 0;
					self.cardBack.alpha = 1;
					self.cardBackOutline.alpha = 1;
					tween(self.cardBack, {
						scaleX: 1
					}, {
						duration: 150,
						onFinish: function onFinish() {
							self.isFlipped = false;
							self.isFlipping = false;
							if (callback) callback();
						}
					});
				}
			});
		}
	};
	self.setMatched = function () {
		self.isMatched = true;
		LK.getSound('match').play();
		tween(self, {
			alpha: 0,
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	};
	self.down = function (x, y, obj) {
		if (!self.isFlipping && !self.isMatched && !gameWon) {
			handleCardClick(self);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2C3E50
});

/**** 
* Game Code
****/ 
var currentLevel = 1;
var maxLevel = 10;
var cards = [];
var flippedCards = [];
var isCheckingMatch = false;
var gameWon = false;
var labubuColors = ['labubuRed', 'labubuBlue', 'labubuGreen', 'labubuYellow', 'labubuPurple', 'labubuOrange', 'labubuPink', 'labubuCyan'];
// UI Elements
var levelText = new Text2('Level 1', {
	size: 80,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
levelText.y = 120;
var scoreText = new Text2('0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreText);
scoreText.x = -50;
scoreText.y = 50;
function updateUI() {
	levelText.setText('Level ' + currentLevel);
	scoreText.setText(LK.getScore());
}
function getCardsForLevel(level) {
	var numPairs = Math.min(4 + Math.floor(level / 2), 16);
	var colorsNeeded = Math.min(numPairs, labubuColors.length);
	var cardData = [];
	for (var i = 0; i < colorsNeeded; i++) {
		cardData.push(labubuColors[i]);
		cardData.push(labubuColors[i]);
	}
	// Shuffle the array
	for (var i = cardData.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var temp = cardData[i];
		cardData[i] = cardData[j];
		cardData[j] = temp;
	}
	return cardData;
}
function createLevel() {
	// Clear existing cards
	for (var i = 0; i < cards.length; i++) {
		cards[i].destroy();
	}
	cards = [];
	flippedCards = [];
	isCheckingMatch = false;
	gameWon = false;
	var cardData = getCardsForLevel(currentLevel);
	var numCards = cardData.length;
	// Calculate grid layout
	var cols = Math.ceil(Math.sqrt(numCards));
	var rows = Math.ceil(numCards / cols);
	var cardSpacing = 230;
	var startX = (2048 - (cols - 1) * cardSpacing) / 2;
	var startY = (2732 - (rows - 1) * cardSpacing) / 2;
	// Create cards
	for (var i = 0; i < numCards; i++) {
		var card = new Card(cardData[i]);
		var col = i % cols;
		var row = Math.floor(i / cols);
		card.x = startX + col * cardSpacing;
		card.y = startY + row * cardSpacing;
		cards.push(card);
		game.addChild(card);
	}
	updateUI();
}
function handleCardClick(card) {
	if (isCheckingMatch || flippedCards.length >= 2) return;
	flippedCards.push(card);
	card.flip();
	if (flippedCards.length === 2) {
		isCheckingMatch = true;
		LK.setTimeout(function () {
			checkMatch();
		}, 1000);
	}
}
function checkMatch() {
	var card1 = flippedCards[0];
	var card2 = flippedCards[1];
	if (card1.labubuColor === card2.labubuColor) {
		// Match found
		card1.setMatched();
		card2.setMatched();
		LK.setScore(LK.getScore() + 10);
		updateUI();
		// Check if level complete
		var matchedCount = 0;
		for (var i = 0; i < cards.length; i++) {
			if (cards[i].isMatched) {
				matchedCount++;
			}
		}
		if (matchedCount === cards.length) {
			// Level complete
			LK.setTimeout(function () {
				nextLevel();
			}, 1000);
		}
	} else {
		// No match - flip cards back
		card1.flip();
		card2.flip();
	}
	flippedCards = [];
	isCheckingMatch = false;
}
function nextLevel() {
	currentLevel++;
	if (currentLevel > maxLevel) {
		// Game won
		gameWon = true;
		LK.showYouWin();
	} else {
		createLevel();
	}
}
// Initialize first level
createLevel();
game.update = function () {
	// Game logic handled by card interactions and timers
};

===================================================================
--- original.js
+++ change.js
@@ -11,8 +11,13 @@
 	self.labubuColor = labubuColor;
 	self.isFlipped = false;
 	self.isMatched = false;
 	self.isFlipping = false;
+	// Create card back outline
+	self.cardBackOutline = self.attachAsset('cardBackOutline', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
 	// Create card back
 	self.cardBack = self.attachAsset('cardBack', {
 		anchorX: 0.5,
 		anchorY: 0.5
@@ -40,8 +45,9 @@
 			}, {
 				duration: 150,
 				onFinish: function onFinish() {
 					self.cardBack.alpha = 0;
+					self.cardBackOutline.alpha = 0;
 					self.cardFront.alpha = 1;
 					tween(self.cardFront, {
 						scaleX: 1
 					}, {
@@ -62,8 +68,9 @@
 				duration: 150,
 				onFinish: function onFinish() {
 					self.cardFront.alpha = 0;
 					self.cardBack.alpha = 1;
+					self.cardBackOutline.alpha = 1;
 					tween(self.cardBack, {
 						scaleX: 1
 					}, {
 						duration: 150,