/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Game state
function _typeof(o) {
	"@babel/helpers - typeof";
	return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
		return typeof o;
	} : function (o) {
		return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
	}, _typeof(o);
}
function ownKeys(e, r) {
	var t = Object.keys(e);
	if (Object.getOwnPropertySymbols) {
		var o = Object.getOwnPropertySymbols(e);
		r && (o = o.filter(function (r) {
			return Object.getOwnPropertyDescriptor(e, r).enumerable;
		})), t.push.apply(t, o);
	}
	return t;
}
function _objectSpread(e) {
	for (var r = 1; r < arguments.length; r++) {
		var t = null != arguments[r] ? arguments[r] : {};
		r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {
			_defineProperty(e, r, t[r]);
		}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {
			Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));
		});
	}
	return e;
}
function _defineProperty(e, r, t) {
	return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, {
		value: t,
		enumerable: !0,
		configurable: !0,
		writable: !0
	}) : e[r] = t, e;
}
function _toPropertyKey(t) {
	var i = _toPrimitive(t, "string");
	return "symbol" == _typeof(i) ? i : i + "";
}
function _toPrimitive(t, r) {
	if ("object" != _typeof(t) || !t) {
		return t;
	}
	var e = t[Symbol.toPrimitive];
	if (void 0 !== e) {
		var i = e.call(t, r || "default");
		if ("object" != _typeof(i)) {
			return i;
		}
		throw new TypeError("@@toPrimitive must return a primitive value.");
	}
	return ("string" === r ? String : Number)(t);
}
var sparkleCount = 500;
var cats = [];
var branches = [];
var notifications = [];
var sparkleInterval = null;
// Helper functions
var isoX = function isoX(x, y) {
	return (x - y) * 0.866;
};
var isoY = function isoY(x, y, z) {
	return (x + y) * 0.5 - z;
};
// Initialize game
function startGame() {
	initializeGame();
}
// Initialize game
function initializeGame() {
	// Create sparkle counter element
	if (typeof document !== 'undefined') {
		var sparkleCountEl = document.createElement('div');
	}
	if (sparkleCountEl) {
		sparkleCountEl.className = 'sparkle-count';
	}
	if (sparkleCountEl) {
		sparkleCountEl.textContent = "Sparkles: ".concat(sparkleCount);
	}
	if (sparkleCountEl) {
		sparkleCountEl.style.position = 'fixed';
		sparkleCountEl.style.top = '10px';
		sparkleCountEl.style.left = '10px';
		sparkleCountEl.style.padding = '10px';
		sparkleCountEl.style.background = 'rgba(0,0,0,0.7)';
		sparkleCountEl.style.color = 'gold';
		sparkleCountEl.style.fontFamily = 'Arial, sans-serif';
		sparkleCountEl.style.fontSize = '20px';
		sparkleCountEl.style.borderRadius = '5px';
		document.body.appendChild(sparkleCountEl);
	}
	// Initialize branches
	branches = [{
		id: 0,
		level: 1,
		catCapacity: 1,
		upgradeCost: 100,
		position: {
			x: 0,
			y: -50,
			z: 80
		}
	}, {
		id: 1,
		level: 1,
		catCapacity: 1,
		upgradeCost: 100,
		position: {
			x: 50,
			y: 0,
			z: 80
		}
	}, {
		id: 2,
		level: 1,
		catCapacity: 1,
		upgradeCost: 100,
		position: {
			x: 0,
			y: 50,
			z: 80
		}
	}, {
		id: 3,
		level: 1,
		catCapacity: 1,
		upgradeCost: 100,
		position: {
			x: -50,
			y: 0,
			z: 80
		}
	}];
	// Initialize starter cat
	cats = [{
		id: 'cat-1',
		level: 1,
		sparkleRate: 1,
		upgradeCost: 50,
		position: {
			x: 0,
			y: -70,
			z: 20
		}
	}];
	// Create UI buttons
	createButtons();
	// Start game loop
	requestAnimationFrame(gameLoop);
}
// Create game buttons
function createButtons() {
	if (typeof document !== 'undefined') {
		var buyCatBtn = document.createElement('button');
	}
	if (buyCatBtn) {
		buyCatBtn.textContent = 'Buy Cat (50)';
	}
	if (buyCatBtn) {
		buyCatBtn.addEventListener('click', buyCat);
	}
	if (typeof document !== 'undefined' && document.body) {
		document.body.appendChild(buyCatBtn);
	}
	branches.forEach(function (branch) {
		if (typeof document !== 'undefined') {
			var btn = document.createElement('button');
		}
		if (btn) {
			btn.textContent = "Upgrade Branch ".concat(branch.id, " (").concat(branch.upgradeCost, ")");
		}
		if (btn) {
			btn.addEventListener('click', function () {
				return upgradeBranch(branch.id);
			});
		}
		document.body.appendChild(btn);
	});
}
// Game mechanics
function generateSparkles() {
	var newSparkles = cats.map(function (cat) {
		return {
			id: "sparkle-".concat(Date.now(), "-").concat(Math.random().toString(36).substr(2, 9)),
			position: {
				x: cat.position.x + (Math.random() * 20 - 10),
				y: cat.position.y + (Math.random() * 20 - 10),
				z: cat.position.z
			},
			value: cat.level * cat.sparkleRate
		};
	});
	sparkleCount += newSparkles.reduce(function (sum, s) {
		return sum + s.value;
	}, 0);
	LK.play.sound('chitter');
	updateUI();
}
function buyCat() {
	if (sparkleCount < 50) {
		addNotification('Not enough sparkles! Need 50');
		LK.play.sound('laser1');
		return;
	}
	sparkleCount -= 50;
	var newCat = {
		id: "cat-".concat(Date.now()),
		level: 1,
		sparkleRate: 1,
		upgradeCost: 50,
		position: {
			x: 0,
			y: 0,
			z: 0
		}
	};
	cats.push(newCat);
	LK.play.sound('songbird1');
	updateUI();
}
function upgradeBranch(branchId) {
	var branch = branches.find(function (b) {
		return b.id === branchId;
	});
	if (!branch) {
		return;
	}
	if (sparkleCount < branch.upgradeCost) {
		addNotification("Not enough sparkles! Need ".concat(branch.upgradeCost));
		LK.play.sound('laser1');
		return;
	}
	sparkleCount -= branch.upgradeCost;
	branches = branches.map(function (b) {
		if (b.id === branchId) {
			return _objectSpread(_objectSpread({}, b), {}, {
				level: b.level + 1,
				catCapacity: b.catCapacity + 1,
				upgradeCost: Math.floor(b.upgradeCost * 1.5)
			});
		}
		return b;
	});
	LK.play.sound('teslacoil');
	updateUI();
}
function addNotification(message) {
	var newNotification = {
		id: Date.now(),
		message: message
	};
	notifications.push(newNotification);
	showNotification(message);
	// Auto-remove notification
	setTimeout(function () {
		notifications = notifications.filter(function (n) {
			return n.id !== newNotification.id;
		});
	}, 3000);
}
function showNotification(message) {
	var notificationEl = document.createElement('div');
	notificationEl.className = 'notification';
	notificationEl.textContent = message;
	notificationEl.style.position = 'fixed';
	notificationEl.style.bottom = '20px';
	notificationEl.style.left = '50%';
	notificationEl.style.transform = 'translateX(-50%)';
	notificationEl.style.padding = '10px 20px';
	notificationEl.style.background = 'rgba(255,0,0,0.7)';
	notificationEl.style.color = 'white';
	notificationEl.style.fontFamily = 'Arial, sans-serif';
	notificationEl.style.borderRadius = '5px';
	notificationEl.style.zIndex = '1000';
	notificationEl.style.opacity = '0';
	notificationEl.style.transition = 'opacity 0.3s';
	document.body.appendChild(notificationEl);
	// Fade in animation
	setTimeout(function () {
		notificationEl.style.opacity = '1';
	}, 10);
	// Fade out and remove after delay
	setTimeout(function () {
		notificationEl.style.opacity = '0';
		setTimeout(function () {
			notificationEl.remove();
		}, 300);
	}, 2700);
}
function updateUI() {
	if (typeof sparkleCountEl !== 'undefined') {
		sparkleCountEl.textContent = "Sparkles: ".concat(sparkleCount);
	}
}
// Game loop
var lastTime = 0;
function gameLoop(timestamp) {
	var deltaTime = timestamp - lastTime;
	lastTime = timestamp;
	// Generate sparkles every 3 seconds
	if (deltaTime >= 3000) {
		generateSparkles();
		lastTime = timestamp;
	}
	requestAnimationFrame(gameLoop);
}
// Cleanup
function cleanup() {
	// Cleanup logic if needed
}
// Start the game
startGame();

===================================================================
--- original.js
+++ change.js
@@ -183,11 +183,13 @@
 		}
 		if (btn) {
 			btn.textContent = "Upgrade Branch ".concat(branch.id, " (").concat(branch.upgradeCost, ")");
 		}
-		btn.addEventListener('click', function () {
-			return upgradeBranch(branch.id);
-		});
+		if (btn) {
+			btn.addEventListener('click', function () {
+				return upgradeBranch(branch.id);
+			});
+		}
 		document.body.appendChild(btn);
 	});
 }
 // Game mechanics