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

/**** 
* Classes
****/ 
var Plot = Container.expand(function (row, col) {
	var self = Container.call(this);
	// Plot properties
	self.row = row;
	self.col = col;
	self.state = 'empty'; // empty, planted, growing, ready
	self.plantTime = 0;
	self.growthDuration = 8000; // 8 seconds
	self.cropValue = 10;
	// Visual elements
	var soil = self.attachAsset('soilPlot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var plantGraphics = null;
	self.plant = function () {
		if (self.state === 'empty' && coins >= 5) {
			coins -= 5;
			self.state = 'planted';
			self.plantTime = Date.now();
			plantGraphics = self.addChild(LK.getAsset('seed', {
				anchorX: 0.5,
				anchorY: 0.5
			}));
			LK.getSound('plant').play();
			updateUI();
		}
	};
	self.harvest = function () {
		if (self.state === 'ready') {
			coins += self.cropValue;
			score += self.cropValue;
			self.state = 'empty';
			if (plantGraphics) {
				plantGraphics.destroy();
				plantGraphics = null;
			}
			// Harvest effect
			var coinEffect = self.addChild(LK.getAsset('coin', {
				anchorX: 0.5,
				anchorY: 0.5,
				y: -60
			}));
			tween(coinEffect, {
				y: -120,
				alpha: 0
			}, {
				duration: 800,
				onFinish: function onFinish() {
					coinEffect.destroy();
				}
			});
			LK.getSound('harvest').play();
			updateUI();
		}
	};
	self.update = function () {
		if (self.state === 'planted' || self.state === 'growing') {
			var elapsed = Date.now() - self.plantTime;
			var progress = elapsed / self.growthDuration;
			if (progress >= 1) {
				// Fully grown
				self.state = 'ready';
				if (plantGraphics) {
					plantGraphics.destroy();
					plantGraphics = self.addChild(LK.getAsset('crop', {
						anchorX: 0.5,
						anchorY: 1,
						y: 60
					}));
				}
			} else if (progress >= 0.5 && self.state === 'planted') {
				// Growing stage
				self.state = 'growing';
				if (plantGraphics) {
					plantGraphics.destroy();
					plantGraphics = self.addChild(LK.getAsset('sprout', {
						anchorX: 0.5,
						anchorY: 1,
						y: 40
					}));
				}
			}
		}
	};
	self.down = function (x, y, obj) {
		if (self.state === 'empty') {
			self.plant();
		} else if (self.state === 'ready') {
			self.harvest();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Game variables
var coins = 25;
var score = 0;
var plots = [];
var gridRows = 4;
var gridCols = 6;
var plotSize = 200;
// UI elements
var coinsText = new Text2('Coins: 25', {
	size: 60,
	fill: 0xFFFFFF
});
coinsText.anchor.set(0, 0);
LK.gui.topLeft.addChild(coinsText);
coinsText.x = 120;
coinsText.y = 20;
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreText);
scoreText.y = 20;
function updateUI() {
	coinsText.setText('Coins: ' + coins);
	scoreText.setText('Score: ' + score);
	// Check win condition
	if (score >= 500) {
		LK.showYouWin();
	}
}
// Create farm grid
var farmStartX = (2048 - gridCols * plotSize) / 2;
var farmStartY = 400;
for (var row = 0; row < gridRows; row++) {
	plots[row] = [];
	for (var col = 0; col < gridCols; col++) {
		var plot = new Plot(row, col);
		plot.x = farmStartX + col * plotSize + plotSize / 2;
		plot.y = farmStartY + row * plotSize + plotSize / 2;
		plots[row][col] = plot;
		game.addChild(plot);
	}
}
// Instructions text
var instructionsText = new Text2('Tap empty plots to plant (5 coins)\nTap crops to harvest', {
	size: 50,
	fill: 0x333333
});
instructionsText.anchor.set(0.5, 0);
instructionsText.x = 1024;
instructionsText.y = 200;
game.addChild(instructionsText);
game.update = function () {
	// Update all plots
	for (var row = 0; row < gridRows; row++) {
		for (var col = 0; col < gridCols; col++) {
			plots[row][col].update();
		}
	}
	// Game over if no coins and no growing crops
	if (coins < 5) {
		var hasGrowingCrops = false;
		for (var row = 0; row < gridRows; row++) {
			for (var col = 0; col < gridCols; col++) {
				if (plots[row][col].state !== 'empty') {
					hasGrowingCrops = true;
					break;
				}
			}
			if (hasGrowingCrops) break;
		}
		if (!hasGrowingCrops) {
			LK.showGameOver();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -12,9 +12,9 @@
 	self.row = row;
 	self.col = col;
 	self.state = 'empty'; // empty, planted, growing, ready
 	self.plantTime = 0;
-	self.growthDuration = 3000; // 3 seconds
+	self.growthDuration = 8000; // 8 seconds
 	self.cropValue = 10;
 	// Visual elements
 	var soil = self.attachAsset('soilPlot', {
 		anchorX: 0.5,