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

/**** 
* Classes
****/ 
var ColorButton = Container.expand(function (buttonId, assetId, soundId, x, y) {
	var self = Container.call(this);
	self.buttonId = buttonId;
	self.soundId = soundId;
	self.isActive = false;
	self.originalAlpha = 0.7;
	self.activeAlpha = 1.0;
	var buttonGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: self.originalAlpha
	});
	self.x = x;
	self.y = y;
	self.activate = function () {
		self.isActive = true;
		buttonGraphics.alpha = self.activeAlpha;
		LK.getSound(self.soundId).play();
		LK.setTimeout(function () {
			self.deactivate();
		}, 400);
	};
	self.deactivate = function () {
		self.isActive = false;
		buttonGraphics.alpha = self.originalAlpha;
	};
	self.flash = function () {
		tween(buttonGraphics, {
			alpha: self.activeAlpha
		}, {
			duration: 200,
			onFinish: function onFinish() {
				tween(buttonGraphics, {
					alpha: self.originalAlpha
				}, {
					duration: 200
				});
			}
		});
	};
	self.down = function (x, y, obj) {
		if (gameState === 'input' && !inputLocked) {
			self.activate();
			handlePlayerInput(self.buttonId);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2c3e50
});

/**** 
* Game Code
****/ 
var gameState = 'ready'; // 'ready', 'showing', 'input', 'gameover'
var sequence = [];
var playerInput = [];
var currentLevel = 1;
var showingIndex = 0;
var inputLocked = false;
// Create buttons
var buttons = [];
var buttonPositions = [{
	x: 2048 / 2 - 160,
	y: 2732 / 2 - 160
}, {
	x: 2048 / 2 + 160,
	y: 2732 / 2 - 160
}, {
	x: 2048 / 2 - 160,
	y: 2732 / 2 + 160
}, {
	x: 2048 / 2 + 160,
	y: 2732 / 2 + 160
}];
for (var i = 0; i < 4; i++) {
	var button = new ColorButton(i, 'button' + (i + 1), 'tone' + (i + 1), buttonPositions[i].x, buttonPositions[i].y);
	buttons.push(button);
	game.addChild(button);
}
// Add rounded square board behind buttons
var roundBoard = game.attachAsset('roundBoard', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.8
});
roundBoard.x = 2048 / 2;
roundBoard.y = 2732 / 2;
// Move board to back so buttons appear on top
game.setChildIndex(roundBoard, 0);
// UI Elements
var titleText = new Text2('What Is The Code', {
	size: 120,
	fill: 0xFFFFFF
});
titleText.anchor.set(0.5, 0.5);
titleText.x = 2048 / 2;
titleText.y = 300;
game.addChild(titleText);
var instructionText = new Text2('Watch the pattern, then repeat it!', {
	size: 60,
	fill: 0xBDC3C7
});
instructionText.anchor.set(0.5, 0.5);
instructionText.x = 2048 / 2;
instructionText.y = 400;
game.addChild(instructionText);
var levelText = new Text2('Level: 1', {
	size: 80,
	fill: 0xE74C3C
});
levelText.anchor.set(0.5, 0.5);
levelText.x = 2048 / 2;
levelText.y = 2200;
game.addChild(levelText);
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xF39C12
});
scoreText.anchor.set(0.5, 0);
scoreText.x = 2048 / 2;
scoreText.y = 100;
LK.gui.top.addChild(scoreText);
// Game Logic Functions
function startNewLevel() {
	gameState = 'ready';
	playerInput = [];
	// Add new random button to sequence
	var randomButton = Math.floor(Math.random() * 4);
	sequence.push(randomButton);
	levelText.setText('Level: ' + currentLevel);
	instructionText.setText('Watch carefully...');
	LK.setTimeout(function () {
		showSequence();
	}, 1000);
}
function showSequence() {
	gameState = 'showing';
	showingIndex = 0;
	inputLocked = true;
	showNextInSequence();
}
function showNextInSequence() {
	if (showingIndex < sequence.length) {
		var buttonIndex = sequence[showingIndex];
		buttons[buttonIndex].activate();
		showingIndex++;
		LK.setTimeout(function () {
			showNextInSequence();
		}, 800);
	} else {
		// Sequence shown, wait for player input
		gameState = 'input';
		inputLocked = false;
		instructionText.setText('Your turn!');
	}
}
function handlePlayerInput(buttonId) {
	playerInput.push(buttonId);
	// Check if input matches sequence so far
	var currentIndex = playerInput.length - 1;
	if (playerInput[currentIndex] !== sequence[currentIndex]) {
		// Wrong input
		gameWrong();
		return;
	}
	// Check if sequence is complete
	if (playerInput.length === sequence.length) {
		// Correct sequence completed
		gameCorrect();
	}
}
function gameCorrect() {
	inputLocked = true;
	LK.getSound('success').play();
	LK.setScore(LK.getScore() + currentLevel * 10);
	scoreText.setText('Score: ' + LK.getScore());
	instructionText.setText('Correct! Next level...');
	// Flash all buttons green
	for (var i = 0; i < buttons.length; i++) {
		buttons[i].flash();
	}
	currentLevel++;
	LK.setTimeout(function () {
		startNewLevel();
	}, 1500);
}
function gameWrong() {
	inputLocked = true;
	gameState = 'gameover';
	LK.getSound('error').play();
	instructionText.setText('Wrong! Game Over');
	// Flash screen red
	LK.effects.flashScreen(0xff0000, 1000);
	LK.setTimeout(function () {
		LK.showGameOver();
	}, 2000);
}
// Start the game
LK.setTimeout(function () {
	instructionText.setText('Get ready...');
	LK.setTimeout(function () {
		startNewLevel();
	}, 1000);
}, 2000);
game.update = function () {
	// Update score display
	scoreText.setText('Score: ' + LK.getScore());
};

===================================================================
--- original.js
+++ change.js