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

/**** 
* Classes
****/ 
// StockRow: A row in the stock table, with price, holdings, buy/sell buttons
var StockRow = Container.expand(function () {
	var self = Container.call(this);
	// Properties
	self.companyIndex = 0; // 0-9
	self.companyName = '';
	self.colorId = '';
	self.price = 0;
	self.holdings = 0;
	self.lastPrice = 0;
	// UI elements
	var yPad = 0;
	// Stock icon
	var icon = self.attachAsset(self.colorId, {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 80,
		y: 60 + yPad,
		scaleX: 0.7,
		scaleY: 0.7
	});
	// Company name
	var nameTxt = new Text2(self.companyName, {
		size: 48,
		fill: 0xFFFFFF
	});
	nameTxt.x = 160;
	nameTxt.y = 30 + yPad;
	nameTxt.anchor.set(0, 0);
	self.addChild(nameTxt);
	// Price text
	var priceTxt = new Text2('', {
		size: 48,
		fill: 0xF1C40F
	});
	priceTxt.x = 500;
	priceTxt.y = 30 + yPad;
	priceTxt.anchor.set(0, 0);
	self.addChild(priceTxt);
	// Holdings text
	var holdingsTxt = new Text2('', {
		size: 48,
		fill: 0x2ECC71
	});
	holdingsTxt.x = 800;
	holdingsTxt.y = 30 + yPad;
	holdingsTxt.anchor.set(0, 0);
	self.addChild(holdingsTxt);
	// Profit text
	var profitTxt = new Text2('', {
		size: 48,
		fill: 0xFFFFFF
	});
	profitTxt.x = 1100;
	profitTxt.y = 30 + yPad;
	profitTxt.anchor.set(0, 0);
	self.addChild(profitTxt);
	// --- Quick Amount Select Buttons ---
	var quickAmounts = [1, 5, 10, 25];
	var quickAmountBtns = [];
	var quickAmountTxts = [];
	var selectedQuickAmount = 1;
	var quickBtnY = 10 + yPad; // above buy/sell row
	var quickBtnStartX = 1450 - 90; // leftmost button
	var quickBtnSpacing = 70;
	for (var i = 0; i < quickAmounts.length; i++) {
		var btnX = quickBtnStartX + i * quickBtnSpacing;
		var btn = self.attachAsset('buyBtn', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: btnX,
			y: quickBtnY,
			scaleX: 0.5,
			scaleY: 0.5
		});
		var txt = new Text2('' + quickAmounts[i], {
			size: 32,
			fill: 0x222a36
		});
		txt.anchor.set(0.5, 0.5);
		txt.x = btnX;
		txt.y = quickBtnY;
		self.addChild(txt);
		// Highlight if selected
		(function (idx, btn, txt) {
			btn.down = function (x, y, obj) {
				selectedQuickAmount = quickAmounts[idx];
				amountTxt.setText('' + selectedQuickAmount);
				updateQuickAmountHighlight();
			};
		})(i, btn, txt);
		quickAmountBtns.push(btn);
		quickAmountTxts.push(txt);
		self.addChild(txt);
	}
	// Highlight function
	function updateQuickAmountHighlight() {
		for (var i = 0; i < quickAmounts.length; i++) {
			if (parseInt(amountTxt.text, 10) === quickAmounts[i]) {
				quickAmountBtns[i].alpha = 1;
				quickAmountTxts[i].setStyle({
					fill: 0x2ECC71
				});
			} else {
				quickAmountBtns[i].alpha = 0.7;
				quickAmountTxts[i].setStyle({
					fill: 0x222A36
				});
			}
		}
	}
	updateQuickAmountHighlight();
	// Buy button
	var buyBtn = self.attachAsset('buyBtn', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1450,
		y: 60 + yPad
	});
	var buyTxt = new Text2('Buy', {
		size: 36,
		fill: 0xFFFFFF
	});
	buyTxt.anchor.set(0.5, 0.5);
	buyTxt.x = buyBtn.x;
	buyTxt.y = buyBtn.y;
	self.addChild(buyTxt);
	// Amount textbox (between buy and sell)
	var amountBoxBg = self.attachAsset('buyBtn', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1575,
		y: 60 + yPad,
		scaleX: 0.7,
		scaleY: 0.7
	});
	var amountTxt = new Text2('1', {
		size: 36,
		fill: 0x222a36
	});
	amountTxt.anchor.set(0.5, 0.5);
	amountTxt.x = amountBoxBg.x;
	amountTxt.y = amountBoxBg.y;
	self.addChild(amountTxt);
	// Touch to edit amount (prompt for number)
	amountBoxBg.down = function (x, y, obj) {
		var current = parseInt(amountTxt.text, 10);
		if (isNaN(current) || current < 1) current = 1;
		var entered = prompt("Enter number of shares:", current);
		var val = parseInt(entered, 10);
		if (isNaN(val) || val < 1) val = 1;
		amountTxt.setText('' + val);
		selectedQuickAmount = val;
		updateQuickAmountHighlight();
	};
	// Sell button
	var sellBtn = self.attachAsset('sellBtn', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1700,
		y: 60 + yPad
	});
	var sellTxt = new Text2('Sell', {
		size: 36,
		fill: 0xFFFFFF
	});
	sellTxt.anchor.set(0.5, 0.5);
	sellTxt.x = sellBtn.x;
	sellTxt.y = sellBtn.y;
	self.addChild(sellTxt);
	// Update UI
	self.updateUI = function () {
		nameTxt.setText(self.companyName);
		priceTxt.setText('₲' + self.price);
		holdingsTxt.setText(self.holdings + ' shares');
		var profit = (self.price - self.lastPrice) * self.holdings;
		var profitColor = "#ffffff";
		if (profit > 0) profitColor = "#2ecc71";
		if (profit < 0) profitColor = "#e74c3c";
		profitTxt.setText((profit >= 0 ? '+' : '') + profit);
		// Use setStyle to update fill color safely
		profitTxt.setStyle({
			fill: profitColor
		});
	};
	// Buy handler
	buyBtn.down = function (x, y, obj) {
		// Buy N shares if enough cash
		var amount = parseInt(amountTxt.text, 10);
		if (isNaN(amount) || amount < 1) amount = 1;
		var maxBuy = Math.floor(playerCash / self.price);
		var buyCount = Math.min(amount, maxBuy);
		if (buyCount > 0) {
			playerCash -= self.price * buyCount;
			self.holdings += buyCount;
			self.updateUI();
			updateCashUI();
		}
	};
	// Sell handler
	sellBtn.down = function (x, y, obj) {
		// Sell N shares if holding
		var amount = parseInt(amountTxt.text, 10);
		if (isNaN(amount) || amount < 1) amount = 1;
		var sellCount = Math.min(amount, self.holdings);
		if (sellCount > 0) {
			playerCash += self.price * sellCount;
			self.holdings -= sellCount;
			self.updateUI();
			updateCashUI();
		}
	};
	// For updating price and profit
	self.setPrice = function (newPrice) {
		self.lastPrice = self.price;
		self.price = newPrice;
		self.updateUI();
	};
	// For updating holdings externally
	self.setHoldings = function (newHoldings) {
		self.holdings = newHoldings;
		self.updateUI();
	};
	// For updating profit display externally
	self.updateProfit = function () {
		self.updateUI();
	};
	// For setting up after construction
	self.init = function (companyIndex, companyName, colorId, price) {
		self.companyIndex = companyIndex;
		self.companyName = companyName;
		self.colorId = colorId;
		self.price = price;
		self.lastPrice = price;
		icon.setAsset(colorId);
		self.updateUI();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222a36
});

/**** 
* Game Code
****/ 
// --- Game Data ---
// 10 company colors for stocks (distinct, visually clear)
// Button shapes
var companyNames = ["AlphaTech", "BetaBank", "GammaFoods", "DeltaPharma", "EpsilonEnergy", "ZetaAuto", "EtaRetail", "ThetaMedia", "IotaLogix", "KappaSpace"];
var companyColors = ['stockA', 'stockB', 'stockC', 'stockD', 'stockE', 'stockF', 'stockG', 'stockH', 'stockI', 'stockJ'];
// Initial prices (randomized a bit for variety)
var initialPrices = [];
for (var i = 0; i < 10; i++) {
	initialPrices[i] = 80 + Math.floor(Math.random() * 40) * 5; // 80-280
}
// Player state
var playerCash = 10000;
var playerHoldings = [];
for (var i = 0; i < 10; i++) playerHoldings[i] = 0;
// Stock state
var stockPrices = [];
var stockLastPrices = [];
for (var i = 0; i < 10; i++) {
	stockPrices[i] = initialPrices[i];
	stockLastPrices[i] = initialPrices[i];
}
// Timer
var gameDurationSec = 300; // 5 minutes
var timeLeft = gameDurationSec;
var timerInterval = null;
// UI elements
var cashTxt = null;
var timerTxt = null;
var wealthTxt = null;
var stockRows = [];
var tableContainer = null;
// --- UI Setup ---
// Cash display (top right, avoid top left 100x100)
cashTxt = new Text2('Cash: ₲' + playerCash, {
	size: 72,
	fill: 0xF1C40F
});
cashTxt.anchor.set(1, 0);
cashTxt.x = 0; // x/y are ignored for gui.topRight, but set to 0 for clarity
cashTxt.y = 0;
LK.gui.topRight.addChild(cashTxt);
// Timer display (top center)
timerTxt = new Text2('05:00', {
	size: 72,
	fill: 0xFFFFFF
});
timerTxt.anchor.set(0.5, 0);
timerTxt.x = 2048 / 2;
timerTxt.y = 40;
LK.gui.top.addChild(timerTxt);
// Wealth display (below timer)
wealthTxt = new Text2('Wealth: ₲' + playerCash, {
	size: 56,
	fill: 0x2ECC71
});
wealthTxt.anchor.set(0.5, 0);
wealthTxt.x = 2048 / 2;
wealthTxt.y = 130;
LK.gui.top.addChild(wealthTxt);
// Table container (centered, scroll not needed for 10 rows)
tableContainer = new Container();
tableContainer.x = 0;
tableContainer.y = 300;
game.addChild(tableContainer);
// Table header
var headerY = 0;
var header = new Text2("Company         Price         Holdings         Profit         ", {
	size: 48,
	fill: 0xBDC3C7
});
header.anchor.set(0, 0);
header.x = 160;
header.y = headerY;
tableContainer.addChild(header);
// Total Profit/Loss label and display (at end of profit column)
var totalProfitLabel = new Text2('Total Profit:', {
	size: 48,
	fill: 0xBDC3C7
});
totalProfitLabel.anchor.set(1, 0);
totalProfitLabel.x = 1090;
totalProfitLabel.y = 80 + 10 * 120 + 10;
tableContainer.addChild(totalProfitLabel);
var totalProfitTxt = new Text2('', {
	size: 48,
	fill: 0xFFFFFF
});
totalProfitTxt.anchor.set(0, 0);
totalProfitTxt.x = 1110;
totalProfitTxt.y = 80 + 10 * 120 + 10; // below last row
tableContainer.addChild(totalProfitTxt);
// --- Stock Rows ---
for (var i = 0; i < 10; i++) {
	var row = new StockRow();
	row.init(i, companyNames[i], companyColors[i], stockPrices[i]);
	row.y = 80 + i * 120;
	tableContainer.addChild(row);
	stockRows.push(row);
}
// Update total profit/loss
function updateTotalProfit() {
	var totalProfit = 0;
	for (var i = 0; i < 10; i++) {
		var profit = (stockPrices[i] - stockLastPrices[i]) * stockRows[i].holdings;
		totalProfit += profit;
	}
	var profitColor = "#ffffff";
	if (totalProfit > 0) profitColor = "#2ecc71";
	if (totalProfit < 0) profitColor = "#e74c3c";
	totalProfitTxt.setText((totalProfit >= 0 ? '+' : '') + totalProfit);
	totalProfitTxt.setStyle({
		fill: profitColor
	});
}
// --- UI Update Functions ---
function updateCashUI() {
	cashTxt.setText('Cash: ₲' + playerCash);
	updateWealthUI();
	updateTotalProfit();
}
function updateWealthUI() {
	var wealth = playerCash;
	for (var i = 0; i < 10; i++) {
		wealth += playerHoldings[i] * stockPrices[i];
	}
	wealthTxt.setText('Wealth: ₲' + wealth);
}
function updateTimerUI() {
	var min = Math.floor(timeLeft / 60);
	var sec = timeLeft % 60;
	var t = (min < 10 ? '0' : '') + min + ':' + (sec < 10 ? '0' : '') + sec;
	timerTxt.setText(t);
}
// --- Stock Price Update Logic ---
// Simulate price changes every 10 seconds
function updateStockPrices() {
	for (var i = 0; i < 10; i++) {
		stockLastPrices[i] = stockPrices[i];
		// Random walk: -8% to +8%
		var pct = Math.random() * 0.16 - 0.08;
		// Occasionally, a "news event" (1 in 8 chance): -25% to +25%
		if (Math.random() < 0.125) {
			pct = Math.random() * 0.5 - 0.25;
		}
		var newPrice = Math.max(10, Math.round(stockPrices[i] * (1 + pct)));
		stockPrices[i] = newPrice;
		// Update row
		stockRows[i].setPrice(newPrice);
		playerHoldings[i] = stockRows[i].holdings;
	}
	updateWealthUI();
	updateTotalProfit();
}
// --- Timer Logic ---
function tickTimer() {
	timeLeft -= 1;
	if (timeLeft < 0) timeLeft = 0;
	updateTimerUI();
	if (timeLeft === 0) {
		endGame();
	}
}
// --- End Game ---
function endGame() {
	// Calculate final wealth
	var finalWealth = playerCash;
	for (var i = 0; i < 10; i++) {
		finalWealth += playerHoldings[i] * stockPrices[i];
	}
	// Show game over (handled by LK)
	LK.showGameOver();
}
// --- Game Update Loop ---
game.update = function () {
	// No per-frame logic needed for this MVP
};
// --- Start Game Logic ---
function startGame() {
	// Reset state
	playerCash = 10000;
	for (var i = 0; i < 10; i++) {
		stockPrices[i] = initialPrices[i];
		stockLastPrices[i] = initialPrices[i];
		playerHoldings[i] = 0;
		stockRows[i].setPrice(stockPrices[i]);
		stockRows[i].setHoldings(0);
	}
	timeLeft = gameDurationSec;
	updateCashUI();
	updateTimerUI();
	updateWealthUI();
	// Start price update interval (every 10s)
	if (timerInterval) LK.clearInterval(timerInterval);
	timerInterval = LK.setInterval(function () {
		updateStockPrices();
	}, 10000);
	// Start timer (every 1s)
	if (game._timerTick) LK.clearInterval(game._timerTick);
	game._timerTick = LK.setInterval(function () {
		tickTimer();
	}, 1000);
}
// --- Start the game ---
startGame();

===================================================================
--- original.js
+++ change.js
@@ -62,8 +62,63 @@
 	profitTxt.x = 1100;
 	profitTxt.y = 30 + yPad;
 	profitTxt.anchor.set(0, 0);
 	self.addChild(profitTxt);
+	// --- Quick Amount Select Buttons ---
+	var quickAmounts = [1, 5, 10, 25];
+	var quickAmountBtns = [];
+	var quickAmountTxts = [];
+	var selectedQuickAmount = 1;
+	var quickBtnY = 10 + yPad; // above buy/sell row
+	var quickBtnStartX = 1450 - 90; // leftmost button
+	var quickBtnSpacing = 70;
+	for (var i = 0; i < quickAmounts.length; i++) {
+		var btnX = quickBtnStartX + i * quickBtnSpacing;
+		var btn = self.attachAsset('buyBtn', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: btnX,
+			y: quickBtnY,
+			scaleX: 0.5,
+			scaleY: 0.5
+		});
+		var txt = new Text2('' + quickAmounts[i], {
+			size: 32,
+			fill: 0x222a36
+		});
+		txt.anchor.set(0.5, 0.5);
+		txt.x = btnX;
+		txt.y = quickBtnY;
+		self.addChild(txt);
+		// Highlight if selected
+		(function (idx, btn, txt) {
+			btn.down = function (x, y, obj) {
+				selectedQuickAmount = quickAmounts[idx];
+				amountTxt.setText('' + selectedQuickAmount);
+				updateQuickAmountHighlight();
+			};
+		})(i, btn, txt);
+		quickAmountBtns.push(btn);
+		quickAmountTxts.push(txt);
+		self.addChild(txt);
+	}
+	// Highlight function
+	function updateQuickAmountHighlight() {
+		for (var i = 0; i < quickAmounts.length; i++) {
+			if (parseInt(amountTxt.text, 10) === quickAmounts[i]) {
+				quickAmountBtns[i].alpha = 1;
+				quickAmountTxts[i].setStyle({
+					fill: 0x2ECC71
+				});
+			} else {
+				quickAmountBtns[i].alpha = 0.7;
+				quickAmountTxts[i].setStyle({
+					fill: 0x222A36
+				});
+			}
+		}
+	}
+	updateQuickAmountHighlight();
 	// Buy button
 	var buyBtn = self.attachAsset('buyBtn', {
 		anchorX: 0.5,
 		anchorY: 0.5,
@@ -96,15 +151,16 @@
 	amountTxt.y = amountBoxBg.y;
 	self.addChild(amountTxt);
 	// Touch to edit amount (prompt for number)
 	amountBoxBg.down = function (x, y, obj) {
-		// On mobile, prompt is supported in LK sandbox for numeric input
 		var current = parseInt(amountTxt.text, 10);
 		if (isNaN(current) || current < 1) current = 1;
 		var entered = prompt("Enter number of shares:", current);
 		var val = parseInt(entered, 10);
 		if (isNaN(val) || val < 1) val = 1;
 		amountTxt.setText('' + val);
+		selectedQuickAmount = val;
+		updateQuickAmountHighlight();
 	};
 	// Sell button
 	var sellBtn = self.attachAsset('sellBtn', {
 		anchorX: 0.5,