===================================================================
--- original.js
+++ change.js
@@ -7,45 +7,191 @@
 
 /**** 
 * Game Code
 ****/ 
-// Game state
+// --- Global Variables ---
+/** 
+* Cat Defender - Idle Game
+* 
+* A game where cats automatically defend against incoming birds and UFOs.
+* Features idle point accumulation, upgrades, and progressive difficulty.
+*/ 
+function _toConsumableArray(r) {
+	return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
+}
+function _nonIterableSpread() {
+	throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+}
+function _iterableToArray(r) {
+	if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) {
+		return Array.from(r);
+	}
+}
+function _arrayWithoutHoles(r) {
+	if (Array.isArray(r)) {
+		return _arrayLikeToArray(r);
+	}
+}
+function _superPropGet(t, o, e, r) {
+	var p = _get(_getPrototypeOf(1 & r ? t.prototype : t), o, e);
+	return 2 & r && "function" == typeof p ? function (t) {
+		return p.apply(e, t);
+	} : p;
+}
+function _get() {
+	return _get = "undefined" != typeof Reflect && Reflect.get ? Reflect.get.bind() : function (e, t, r) {
+		var p = _superPropBase(e, t);
+		if (p) {
+			var n = Object.getOwnPropertyDescriptor(p, t);
+			return n.get ? n.get.call(arguments.length < 3 ? e : r) : n.value;
+		}
+	}, _get.apply(null, arguments);
+}
+function _superPropBase(t, o) {
+	for (; !{}.hasOwnProperty.call(t, o) && null !== (t = _getPrototypeOf(t));) {
+		;
+	}
+	return t;
+}
+function _createForOfIteratorHelper(r, e) {
+	var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"];
+	if (!t) {
+		if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) {
+			t && (r = t);
+			var _n = 0,
+				F = function F() {};
+			return {
+				s: F,
+				n: function n() {
+					return _n >= r.length ? {
+						done: !0
+					} : {
+						done: !1,
+						value: r[_n++]
+					};
+				},
+				e: function e(r) {
+					throw r;
+				},
+				f: F
+			};
+		}
+		throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+	}
+	var o,
+		a = !0,
+		u = !1;
+	return {
+		s: function s() {
+			t = t.call(r);
+		},
+		n: function n() {
+			var r = t.next();
+			return a = r.done, r;
+		},
+		e: function e(r) {
+			u = !0, o = r;
+		},
+		f: function f() {
+			try {
+				a || null == t["return"] || t["return"]();
+			} finally {
+				if (u) {
+					throw o;
+				}
+			}
+		}
+	};
+}
+function _unsupportedIterableToArray(r, a) {
+	if (r) {
+		if ("string" == typeof r) {
+			return _arrayLikeToArray(r, a);
+		}
+		var t = {}.toString.call(r).slice(8, -1);
+		return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;
+	}
+}
+function _arrayLikeToArray(r, a) {
+	(null == a || a > r.length) && (a = r.length);
+	for (var e = 0, n = Array(a); e < a; e++) {
+		n[e] = r[e];
+	}
+	return n;
+}
+function _callSuper(t, o, e) {
+	return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e));
+}
+function _possibleConstructorReturn(t, e) {
+	if (e && ("object" == _typeof(e) || "function" == typeof e)) {
+		return e;
+	}
+	if (void 0 !== e) {
+		throw new TypeError("Derived constructors may only return object or undefined");
+	}
+	return _assertThisInitialized(t);
+}
+function _assertThisInitialized(e) {
+	if (void 0 === e) {
+		throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+	}
+	return e;
+}
+function _isNativeReflectConstruct() {
+	try {
+		var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
+	} catch (t) {}
+	return (_isNativeReflectConstruct = function _isNativeReflectConstruct() {
+		return !!t;
+	})();
+}
+function _getPrototypeOf(t) {
+	return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) {
+		return t.__proto__ || Object.getPrototypeOf(t);
+	}, _getPrototypeOf(t);
+}
+function _inherits(t, e) {
+	if ("function" != typeof e && null !== e) {
+		throw new TypeError("Super expression must either be null or a function");
+	}
+	t.prototype = Object.create(e && e.prototype, {
+		constructor: {
+			value: t,
+			writable: !0,
+			configurable: !0
+		}
+	}), Object.defineProperty(t, "prototype", {
+		writable: !1
+	}), e && _setPrototypeOf(t, e);
+}
+function _setPrototypeOf(t, e) {
+	return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) {
+		return t.__proto__ = e, t;
+	}, _setPrototypeOf(t, e);
+}
 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);
+function _classCallCheck(a, n) {
+	if (!(a instanceof n)) {
+		throw new TypeError("Cannot call a class as a function");
 	}
-	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));
-		});
+function _defineProperties(e, r) {
+	for (var t = 0; t < r.length; t++) {
+		var o = r[t];
+		o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o);
 	}
-	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 _createClass(e, r, t) {
+	return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", {
+		writable: !1
+	}), e;
 }
 function _toPropertyKey(t) {
 	var i = _toPrimitive(t, "string");
 	return "symbol" == _typeof(i) ? i : i + "";
@@ -63,297 +209,1065 @@
 		throw new TypeError("@@toPrimitive must return a primitive value.");
 	}
 	return ("string" === r ? String : Number)(t);
 }
-var sparkleCount = 500;
-var cat = {
-	id: 'cat-1'
-};
 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();
+var kittens = [];
+var birds = [];
+var ufos = [];
+var clouds = [];
+var powerUps = [];
+var sparkles = [];
+// Game State Variables
+var score = 0;
+var level = 1;
+var multiplier = 1.0; // Starts at 1.0, increases by 0.1 per level
+var idlePoints = 0;
+var enemiesDefeated = 0;
+var lastUpdateTime = Date.now();
+var idlePointsLastCalculated = Date.now();
+// Game Constants
+var ENEMIES_PER_LEVEL = 10;
+var BASE_IDLE_POINTS_RATE = 0.5; // Points per cat per second
+var BIRD_POINTS = 10;
+var UFO_POINTS = 20;
+var BIRD_SPAWN_INTERVAL = 2000; // ms
+var UFO_SPAWN_INTERVAL = 15000; // ms
+var MAX_BIRDS = 10;
+var MAX_UFOS = 3;
+var CLOUD_SPAWN_INTERVAL = 5000; // ms
+var MAX_CLOUDS = 8;
+// Timers
+var birdSpawnTimer = 0;
+var ufoSpawnTimer = 0;
+var cloudSpawnTimer = 0;
+// --- Utility Functions ---
+function distance(x1, y1, x2, y2) {
+	var dx = x1 - x2;
+	var dy = y1 - y2;
+	return Math.sqrt(dx * dx + dy * dy);
 }
-// Initialize game
-function initializeGame() {
-	var sparkleCountEl = new Text2("Sparkles: ".concat(sparkleCount), {
-		size: 60,
-		fill: "gold",
-		fontFamily: "Arial, sans-serif",
-		background: 'rgba(0,0,0,0.7)',
-		padding: 10,
-		borderRadius: 5
-	});
-	sparkleCountEl.position.set(10, 10);
-	LK.gui.topLeft.addChild(sparkleCountEl);
-	// Initialize branches
-	branches = [{
-		id: 0,
-		level: 1,
-		catCapacity: 1,
-		upgradeCost: 100,
-		position: {
-			x: 0,
-			y: -50,
-			z: 80
-		},
-		image: LK.getAsset('branchImage', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		}),
-		// Assign image to branch
-		label: new Text2("Branch ".concat(0), {
-			size: 30,
-			fill: 0xFFFFFF,
-			fontFamily: "Arial, sans-serif"
-		})
+// --- Game Classes ---
+/** 
+* Base class for game entities
+*/ 
+var GameObject = /*#__PURE__*/function () {
+	function GameObject(x, y, width, height, assetId) {
+		_classCallCheck(this, GameObject);
+		this.x = x;
+		this.y = y;
+		this.width = width;
+		this.height = height;
+		this.assetId = assetId;
+		this.active = true;
+	}
+	return _createClass(GameObject, [{
+		key: "update",
+		value: function update(deltaTime) {
+			// Override in subclasses
+		}
 	}, {
-		id: 1,
-		level: 1,
-		catCapacity: 1,
-		upgradeCost: 100,
-		position: {
-			x: 50,
-			y: 0,
-			z: 80
-		},
-		image: LK.getAsset('branchImage', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		}) // Assign image to branch
+		key: "render",
+		value: function render() {
+			if (!this.active) {
+				return;
+			}
+			// Draw the sprite
+			LK.drawImage(this.assetId, this.x, this.y, this.width, this.height);
+		}
 	}, {
-		id: 2,
-		level: 1,
-		catCapacity: 1,
-		upgradeCost: 100,
-		position: {
-			x: 0,
-			y: 50,
-			z: 80
-		},
-		image: LK.getAsset('branchImage', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		}) // Assign image to branch
+		key: "isColliding",
+		value: function isColliding(other) {
+			return this.x < other.x + other.width && this.x + this.width > other.x && this.y < other.y + other.height && this.y + this.height > other.y;
+		}
+	}]);
+}();
+/** 
+* Base class for defenders (Cats and Kittens)
+*/ 
+var Defender = /*#__PURE__*/function (_GameObject) {
+	function Defender(x, y, width, height, assetId, attackRange, attackCooldown, attackDamage, moveSpeed) {
+		var _this;
+		_classCallCheck(this, Defender);
+		_this = _callSuper(this, Defender, [x, y, width, height, assetId]);
+		_this.attackRange = attackRange;
+		_this.attackCooldown = attackCooldown;
+		_this.attackDamage = attackDamage;
+		_this.moveSpeed = moveSpeed;
+		_this.attackTimer = 0;
+		_this.target = null;
+		return _this;
+	}
+	_inherits(Defender, _GameObject);
+	return _createClass(Defender, [{
+		key: "update",
+		value: function update(deltaTime) {
+			if (!this.active) {
+				return;
+			}
+			// Handle attack cooldown
+			if (this.attackTimer > 0) {
+				this.attackTimer -= deltaTime;
+			}
+			// Find target if none exists
+			if (!this.target || !this.target.active) {
+				this.findTarget();
+			}
+			// Move towards target or attack
+			if (this.target) {
+				var dist = distance(this.x + this.width / 2, this.y + this.height / 2, this.target.x + this.target.width / 2, this.target.y + this.target.height / 2);
+				if (dist <= this.attackRange) {
+					this.attack();
+				} else {
+					this.moveTowardsTarget(deltaTime);
+				}
+			}
+		}
 	}, {
-		id: 3,
-		level: 1,
-		catCapacity: 1,
-		upgradeCost: 100,
-		position: {
-			x: -50,
-			y: 0,
-			z: 80
-		},
-		image: LK.getAsset('branchImage', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		}) // Assign image to branch
-	}];
-	// Initialize starter cat
-	cats = [{
-		id: 'cat-1',
-		level: 1,
-		sparkleRate: 1,
-		upgradeCost: 50,
-		position: {
-			x: 0,
-			y: -70,
-			z: 20
-		},
-		image: LK.getAsset('catImage', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		}),
-		// Assign image to cat
-		label: new Text2("Cat ".concat(cat.id), {
-			size: 30,
-			fill: 0xFFFFFF,
-			fontFamily: "Arial, sans-serif"
-		})
-	}];
-	// Create UI buttons
-	createButtons();
-	// Start game loop
-	game.update = gameLoop;
-}
-// Create game buttons
-function createButtons() {
-	var buyCatBtn = new Text2('Buy Cat (50)', {
-		size: 60,
-		fill: 0xFFFFFF,
-		fontFamily: "Arial, sans-serif",
-		background: 'rgba(0,0,0,0.7)',
-		padding: 10,
-		borderRadius: 5
-	});
-	buyCatBtn.interactive = true;
-	buyCatBtn.buttonMode = true;
-	buyCatBtn.on('pointerdown', buyCat);
-	LK.gui.topLeft.addChild(buyCatBtn);
-	branches.forEach(function (branch) {
-		var btn = new Text2("Upgrade Branch ".concat(branch.id, " (").concat(branch.upgradeCost, ")"), {
-			size: 60,
-			fill: 0xFFFFFF,
-			fontFamily: "Arial, sans-serif",
-			background: 'rgba(0,0,0,0.7)',
-			padding: 10,
-			borderRadius: 5
-		});
-		btn.interactive = true;
-		btn.buttonMode = true;
-		btn.on('pointerdown', function () {
-			return upgradeBranch(branch.id);
-		});
-		LK.gui.topLeft.addChild(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
+		key: "findTarget",
+		value: function findTarget() {
+			// Find closest enemy
+			var closestDist = Infinity;
+			var closest = null;
+			// Check birds first
+			var _iterator = _createForOfIteratorHelper(birds),
+				_step;
+			try {
+				for (_iterator.s(); !(_step = _iterator.n()).done;) {
+					var bird = _step.value;
+					if (!bird.active) {
+						continue;
+					}
+					var dist = distance(this.x + this.width / 2, this.y + this.height / 2, bird.x + bird.width / 2, bird.y + bird.height / 2);
+					if (dist < closestDist) {
+						closestDist = dist;
+						closest = bird;
+					}
+				}
+				// Check UFOs if no birds found or if this is a kitten (kittens prefer UFOs)
+			} catch (err) {
+				_iterator.e(err);
+			} finally {
+				_iterator.f();
+			}
+			if ((!closest || this instanceof Kitten) && ufos.length > 0) {
+				var _iterator2 = _createForOfIteratorHelper(ufos),
+					_step2;
+				try {
+					for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
+						var ufo = _step2.value;
+						if (!ufo.active) {
+							continue;
+						}
+						var dist = distance(this.x + this.width / 2, this.y + this.height / 2, ufo.x + ufo.width / 2, ufo.y + ufo.height / 2);
+						if (dist < closestDist) {
+							closestDist = dist;
+							closest = ufo;
+						}
+					}
+				} catch (err) {
+					_iterator2.e(err);
+				} finally {
+					_iterator2.f();
+				}
+			}
+			this.target = closest;
+		}
+	}, {
+		key: "moveTowardsTarget",
+		value: function moveTowardsTarget(deltaTime) {
+			if (!this.target) {
+				return;
+			}
+			var targetX = this.target.x + this.target.width / 2;
+			var targetY = this.target.y + this.target.height / 2;
+			var dx = targetX - (this.x + this.width / 2);
+			var dy = targetY - (this.y + this.height / 2);
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist > 0) {
+				var moveX = dx / dist * this.moveSpeed * deltaTime;
+				var moveY = dy / dist * this.moveSpeed * deltaTime;
+				this.x += moveX;
+				this.y += moveY;
+			}
+		}
+	}, {
+		key: "attack",
+		value: function attack() {
+			if (this.attackTimer <= 0 && this.target && this.target.active) {
+				this.target.takeDamage(this.attackDamage);
+				this.attackTimer = this.attackCooldown;
+				// Create attack effect
+				createSparkle(this.target.x + this.target.width / 2, this.target.y + this.target.height / 2, 'attack');
+			}
+		}
+	}]);
+}(GameObject);
+/** 
+* Cat Class - Standard defender
+*/ 
+var Cat = /*#__PURE__*/function (_Defender) {
+	function Cat(x, y) {
+		_classCallCheck(this, Cat);
+		return _callSuper(this, Cat, [x, y, 64, 64, 'cat', 100, 1.0, 2, 2]);
+	}
+	_inherits(Cat, _Defender);
+	return _createClass(Cat);
+}(Defender);
+/** 
+* Kitten Class - Faster but weaker defender
+*/ 
+var Kitten = /*#__PURE__*/function (_Defender2) {
+	function Kitten(x, y) {
+		_classCallCheck(this, Kitten);
+		return _callSuper(this, Kitten, [x, y, 48, 48, 'kitten', 60, 0.5, 1, 3]);
+	}
+	_inherits(Kitten, _Defender2);
+	return _createClass(Kitten);
+}(Defender);
+/** 
+* Enemy base class
+*/ 
+var Enemy = /*#__PURE__*/function (_GameObject2) {
+	function Enemy(x, y, width, height, assetId, health, speed, pointValue) {
+		var _this2;
+		_classCallCheck(this, Enemy);
+		_this2 = _callSuper(this, Enemy, [x, y, width, height, assetId]);
+		_this2.health = health;
+		_this2.maxHealth = health;
+		_this2.speed = speed;
+		_this2.pointValue = pointValue;
+		_this2.targetX = LK.canvas.width / 2;
+		_this2.targetY = LK.canvas.height / 2;
+		return _this2;
+	}
+	_inherits(Enemy, _GameObject2);
+	return _createClass(Enemy, [{
+		key: "update",
+		value: function update(deltaTime) {
+			if (!this.active) {
+				return;
+			}
+			// Move towards center
+			var dx = this.targetX - (this.x + this.width / 2);
+			var dy = this.targetY - (this.y + this.height / 2);
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist > 10) {
+				// Not too close to center
+				var moveX = dx / dist * this.speed * deltaTime;
+				var moveY = dy / dist * this.speed * deltaTime;
+				this.x += moveX;
+				this.y += moveY;
+			} else {
+				// Reached center, remove
+				this.active = false;
+			}
+		}
+	}, {
+		key: "takeDamage",
+		value: function takeDamage(amount) {
+			this.health -= amount;
+			if (this.health <= 0) {
+				this.defeat();
+			}
+		}
+	}, {
+		key: "defeat",
+		value: function defeat() {
+			this.active = false;
+			// Add points
+			var pointsEarned = this.pointValue * multiplier;
+			score += pointsEarned;
+			enemiesDefeated++;
+			// Check for level up
+			if (enemiesDefeated >= ENEMIES_PER_LEVEL) {
+				levelUp();
+			}
+			// Create sparkles
+			for (var i = 0; i < 5; i++) {
+				createSparkle(this.x + Math.random() * this.width, this.y + Math.random() * this.height, 'defeat');
+			}
+			// Chance to spawn power-up
+			if (Math.random() < 0.2) {
+				// 20% chance
+				spawnPowerUp(this.x, this.y);
+			}
+		}
+	}, {
+		key: "render",
+		value: function render() {
+			_superPropGet(Enemy, "render", this, 3)([]);
+			// Draw health bar
+			var healthPercent = this.health / this.maxHealth;
+			var barWidth = this.width * 0.8;
+			var barHeight = 5;
+			var barX = this.x + (this.width - barWidth) / 2;
+			var barY = this.y - 10;
+			// Background
+			LK.setFillStyle('rgba(0,0,0,0.5)');
+			LK.fillRect(barX, barY, barWidth, barHeight);
+			// Health
+			LK.setFillStyle('rgba(255,50,50,0.8)');
+			LK.fillRect(barX, barY, barWidth * healthPercent, barHeight);
+		}
+	}]);
+}(GameObject);
+/** 
+* Bird Class - Standard enemy
+*/ 
+var Bird = /*#__PURE__*/function (_Enemy) {
+	function Bird() {
+		_classCallCheck(this, Bird);
+		// Random position at edge of screen
+		var side = Math.floor(Math.random() * 4);
+		var x, y;
+		switch (side) {
+			case 0:
+				// Top
+				x = Math.random() * LK.canvas.width;
+				y = -50;
+				break;
+			case 1:
+				// Right
+				x = LK.canvas.width + 50;
+				y = Math.random() * LK.canvas.height;
+				break;
+			case 2:
+				// Bottom
+				x = Math.random() * LK.canvas.width;
+				y = LK.canvas.height + 50;
+				break;
+			case 3:
+				// Left
+				x = -50;
+				y = Math.random() * LK.canvas.height;
+				break;
+		}
+		return _callSuper(this, Bird, [x, y, 32, 32, 'bird', 3, 50, BIRD_POINTS]);
+	}
+	_inherits(Bird, _Enemy);
+	return _createClass(Bird);
+}(Enemy);
+/** 
+* UFO Class - Rare, stronger enemy
+*/ 
+var UFO = /*#__PURE__*/function (_Enemy2) {
+	function UFO() {
+		_classCallCheck(this, UFO);
+		// Random position at edge of screen
+		var side = Math.floor(Math.random() * 4);
+		var x, y;
+		switch (side) {
+			case 0:
+				// Top
+				x = Math.random() * LK.canvas.width;
+				y = -50;
+				break;
+			case 1:
+				// Right
+				x = LK.canvas.width + 50;
+				y = Math.random() * LK.canvas.height;
+				break;
+			case 2:
+				// Bottom
+				x = Math.random() * LK.canvas.width;
+				y = LK.canvas.height + 50;
+				break;
+			case 3:
+				// Left
+				x = -50;
+				y = Math.random() * LK.canvas.height;
+				break;
+		}
+		return _callSuper(this, UFO, [x, y, 64, 32, 'ufo', 10, 30, UFO_POINTS]);
+	}
+	_inherits(UFO, _Enemy2);
+	return _createClass(UFO);
+}(Enemy);
+/** 
+* PowerUp Class - Temporary boosts for defenders
+*/ 
+var PowerUp = /*#__PURE__*/function (_GameObject3) {
+	function PowerUp(x, y) {
+		var _this3;
+		_classCallCheck(this, PowerUp);
+		_this3 = _callSuper(this, PowerUp, [x, y, 30, 30, 'powerup']);
+		// Define possible power-up types and their effects
+		_this3.effects = {
+			damage: {
+				color: '#ff5555',
+				duration: 10,
+				multiplier: 2
 			},
-			value: cat.level * cat.sparkleRate
+			speed: {
+				color: '#55ff55',
+				duration: 15,
+				multiplier: 1.5
+			},
+			range: {
+				color: '#5555ff',
+				duration: 12,
+				multiplier: 1.5
+			},
+			multi: {
+				color: '#ffaa55',
+				duration: 8,
+				multiplier: 1
+			},
+			chain: {
+				color: '#55ffff',
+				duration: 10,
+				multiplier: 1
+			},
+			shield: {
+				color: '#aaaaff',
+				duration: 20,
+				multiplier: 1
+			},
+			heal: {
+				color: '#ff55ff',
+				duration: 0,
+				multiplier: 1
+			},
+			time: {
+				color: '#ffff55',
+				duration: 5,
+				multiplier: 0.5
+			}
 		};
-	});
-	sparkleCount += newSparkles.reduce(function (sum, s) {
-		return sum + s.value;
-	}, 0);
-	LK.play.sound('chitter');
-	updateUI();
+		// Select random type
+		var types = Object.keys(_this3.effects);
+		_this3.type = types[Math.floor(Math.random() * types.length)];
+		// Set duration
+		_this3.duration = 10; // seconds
+		_this3.lifespan = 10; // seconds before disappearing if not collected
+		return _this3;
+	}
+	_inherits(PowerUp, _GameObject3);
+	return _createClass(PowerUp, [{
+		key: "update",
+		value: function update(deltaTime) {
+			if (!this.active) {
+				return;
+			}
+			// Decrease lifespan
+			this.lifespan -= deltaTime;
+			if (this.lifespan <= 0) {
+				this.active = false;
+				return;
+			}
+			// Check for collision with defenders
+			for (var _i = 0, _cats = cats; _i < _cats.length; _i++) {
+				var cat = _cats[_i];
+				if (this.isColliding(cat)) {
+					this.applyEffect(cat);
+					this.active = false;
+					return;
+				}
+			}
+			for (var _i2 = 0, _kittens = kittens; _i2 < _kittens.length; _i2++) {
+				var kitten = _kittens[_i2];
+				if (this.isColliding(kitten)) {
+					this.applyEffect(kitten);
+					this.active = false;
+					return;
+				}
+			}
+			// Floating animation
+			this.y += Math.sin(Date.now() / 200) * 0.5;
+		}
+	}, {
+		key: "applyEffect",
+		value: function applyEffect(defender) {
+			var _this4 = this;
+			// Apply effect based on type
+			switch (this.type) {
+				case 'damage':
+					defender.attackDamage *= this.effects.damage.multiplier;
+					setTimeout(function () {
+						defender.attackDamage /= _this4.effects.damage.multiplier;
+					}, this.effects.damage.duration * 1000);
+					break;
+				case 'speed':
+					defender.moveSpeed *= this.effects.speed.multiplier;
+					setTimeout(function () {
+						defender.moveSpeed /= _this4.effects.speed.multiplier;
+					}, this.effects.speed.duration * 1000);
+					break;
+				case 'range':
+					defender.attackRange *= this.effects.range.multiplier;
+					setTimeout(function () {
+						defender.attackRange /= _this4.effects.range.multiplier;
+					}, this.effects.range.duration * 1000);
+					break;
+				case 'multi':
+					// Create temporary multi-attack effect
+					var originalAttack = defender.attack;
+					defender.attack = function () {
+						if (this.attackTimer <= 0 && this.target && this.target.active) {
+							this.target.takeDamage(this.attackDamage);
+							// Attack additional enemies
+							var count = 0;
+							for (var _i3 = 0, _arr = [].concat(_toConsumableArray(birds), _toConsumableArray(ufos)); _i3 < _arr.length; _i3++) {
+								var enemy = _arr[_i3];
+								if (enemy !== this.target && enemy.active && count < 2) {
+									var dist = distance(this.x + this.width / 2, this.y + this.height / 2, enemy.x + enemy.width / 2, enemy.y + enemy.height / 2);
+									if (dist <= this.attackRange * 1.5) {
+										enemy.takeDamage(this.attackDamage / 2);
+										count++;
+										// Create attack effect
+										createSparkle(enemy.x + enemy.width / 2, enemy.y + enemy.height / 2, 'attack');
+									}
+								}
+							}
+							this.attackTimer = this.attackCooldown;
+							// Create attack effect
+							createSparkle(this.target.x + this.target.width / 2, this.target.y + this.target.height / 2, 'attack');
+						}
+					};
+					setTimeout(function () {
+						defender.attack = originalAttack;
+					}, this.effects.multi.duration * 1000);
+					break;
+				case 'chain':
+					// Create chain attack effect
+					var chainAttack = defender.attack;
+					defender.attack = function () {
+						if (this.attackTimer <= 0 && this.target && this.target.active) {
+							// Initial attack
+							this.target.takeDamage(this.attackDamage);
+							// Chain to nearby enemies
+							var lastEnemy = this.target;
+							var chainCount = 0;
+							for (var _i4 = 0, _arr2 = [].concat(_toConsumableArray(birds), _toConsumableArray(ufos)); _i4 < _arr2.length; _i4++) {
+								var enemy = _arr2[_i4];
+								if (enemy !== lastEnemy && enemy.active && chainCount < 3) {
+									var dist = distance(lastEnemy.x + lastEnemy.width / 2, lastEnemy.y + lastEnemy.height / 2, enemy.x + enemy.width / 2, enemy.y + enemy.height / 2);
+									if (dist <= 100) {
+										enemy.takeDamage(this.attackDamage * 0.7);
+										chainCount++;
+										lastEnemy = enemy;
+										// Create chain effect
+										createSparkle(enemy.x + enemy.width / 2, enemy.y + enemy.height / 2, 'chain');
+									}
+								}
+							}
+							this.attackTimer = this.attackCooldown;
+							// Create attack effect
+							createSparkle(this.target.x + this.target.width / 2, this.target.y + this.target.height / 2, 'attack');
+						}
+					};
+					setTimeout(function () {
+						defender.attack = chainAttack;
+					}, this.effects.chain.duration * 1000);
+					break;
+				case 'shield':
+					// Create shield effect
+					defender.shielded = true;
+					setTimeout(function () {
+						defender.shielded = false;
+					}, this.effects.shield.duration * 1000);
+					break;
+				case 'heal':
+					// Heal all defenders
+					for (var _i5 = 0, _cats2 = cats; _i5 < _cats2.length; _i5++) {
+						var cat = _cats2[_i5];
+					} // Cats don't have health in this game, but could add temporary invincibility
+					for (var _i6 = 0, _kittens2 = kittens; _i6 < _kittens2.length; _i6++) {
+						var kitten = _kittens2[_i6];
+					} // Kittens don't have health in this game, but could add temporary invincibility
+					break;
+				case 'time':
+					// Slow down all enemies
+					var _iterator3 = _createForOfIteratorHelper(birds),
+						_step3;
+					try {
+						for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
+							var bird = _step3.value;
+							if (bird.active) {
+								bird.speed *= this.effects.time.multiplier;
+							}
+						}
+					} catch (err) {
+						_iterator3.e(err);
+					} finally {
+						_iterator3.f();
+					}
+					var _iterator4 = _createForOfIteratorHelper(ufos),
+						_step4;
+					try {
+						for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
+							var ufo = _step4.value;
+							if (ufo.active) {
+								ufo.speed *= this.effects.time.multiplier;
+							}
+						}
+					} catch (err) {
+						_iterator4.e(err);
+					} finally {
+						_iterator4.f();
+					}
+					setTimeout(function () {
+						var _iterator5 = _createForOfIteratorHelper(birds),
+							_step5;
+						try {
+							for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
+								var bird = _step5.value;
+								if (bird.active) {
+									bird.speed /= _this4.effects.time.multiplier;
+								}
+							}
+						} catch (err) {
+							_iterator5.e(err);
+						} finally {
+							_iterator5.f();
+						}
+						var _iterator6 = _createForOfIteratorHelper(ufos),
+							_step6;
+						try {
+							for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
+								var ufo = _step6.value;
+								if (ufo.active) {
+									ufo.speed /= _this4.effects.time.multiplier;
+								}
+							}
+						} catch (err) {
+							_iterator6.e(err);
+						} finally {
+							_iterator6.f();
+						}
+					}, this.effects.time.duration * 1000);
+					break;
+			}
+			// Create collection effect
+			for (var i = 0; i < 10; i++) {
+				createSparkle(this.x + Math.random() * this.width, this.y + Math.random() * this.height, 'powerup');
+			}
+		}
+	}, {
+		key: "render",
+		value: function render() {
+			if (!this.active) {
+				return;
+			}
+			// Draw power-up background
+			LK.setFillStyle(this.effects[this.type].color);
+			LK.fillRect(this.x, this.y, this.width, this.height);
+			// Draw icon
+			this.drawPowerUpIcon();
+			// Pulsing effect based on remaining lifespan
+			if (this.lifespan < 3) {
+				var alpha = 0.5 + 0.5 * Math.sin(Date.now() / 100);
+				LK.setFillStyle("rgba(255,255,255,".concat(alpha, ")"));
+				LK.fillRect(this.x, this.y, this.width, this.height);
+			}
+		}
+		// Helper method to convert hex color to RGB format
+	}, {
+		key: "hexToRgb",
+		value: function hexToRgb(hex) {
+			// Remove # if present
+			hex = hex.replace('#', '');
+			// Parse the hex values
+			var r = parseInt(hex.substring(0, 2), 16);
+			var g = parseInt(hex.substring(2, 4), 16);
+			var b = parseInt(hex.substring(4, 6), 16);
+			return "".concat(r, ",").concat(g, ",").concat(b);
+		}
+		// Draw an icon representing the power-up type
+	}, {
+		key: "drawPowerUpIcon",
+		value: function drawPowerUpIcon() {
+			var centerX = this.x + this.width / 2;
+			var centerY = this.y + this.height / 2;
+			var iconSize = this.width / 6;
+			LK.setFillStyle('white');
+			switch (this.type) {
+				case 'damage':
+					// Draw a plus symbol
+					LK.fillRect(centerX - iconSize, centerY - iconSize / 3, iconSize * 2, iconSize * 2 / 3);
+					LK.fillRect(centerX - iconSize / 3, centerY - iconSize, iconSize * 2 / 3, iconSize * 2);
+					break;
+				case 'speed':
+					// Draw a lightning bolt
+					LK.setStrokeStyle('white');
+					LK.beginPath();
+					LK.moveTo(centerX - iconSize, centerY - iconSize);
+					LK.lineTo(centerX + iconSize / 2, centerY);
+					LK.lineTo(centerX - iconSize / 2, centerY);
+					LK.lineTo(centerX + iconSize, centerY + iconSize);
+					LK.stroke();
+					break;
+				case 'range':
+					// Draw a circle
+					LK.drawCircle(centerX, centerY, iconSize);
+					LK.setFillStyle(this.effects[this.type].color);
+					LK.drawCircle(centerX, centerY, iconSize / 2);
+					break;
+				case 'multi':
+					// Draw multiple dots
+					for (var i = 0; i < 3; i++) {
+						var angle = i / 3 * Math.PI * 2;
+						LK.drawCircle(centerX + Math.cos(angle) * iconSize, centerY + Math.sin(angle) * iconSize, iconSize / 2);
+					}
+					break;
+				case 'chain':
+					// Draw connected dots
+					var points = [{
+						x: centerX - iconSize,
+						y: centerY - iconSize
+					}, {
+						x: centerX,
+						y: centerY
+					}, {
+						x: centerX + iconSize,
+						y: centerY + iconSize
+					}];
+					// Draw lines connecting points
+					LK.setStrokeStyle('white');
+					LK.beginPath();
+					LK.moveTo(points[0].x, points[0].y);
+					LK.lineTo(points[1].x, points[1].y);
+					LK.lineTo(points[2].x, points[2].y);
+					LK.stroke();
+					// Draw points
+					for (var _i7 = 0, _points = points; _i7 < _points.length; _i7++) {
+						var point = _points[_i7];
+						LK.drawCircle(point.x, point.y, iconSize / 3);
+					}
+					break;
+				case 'shield':
+					// Draw shield shape
+					LK.setStrokeStyle('white');
+					LK.beginPath();
+					LK.moveTo(centerX, centerY - iconSize);
+					LK.lineTo(centerX + iconSize, centerY - iconSize / 2);
+					LK.lineTo(centerX + iconSize, centerY + iconSize / 2);
+					LK.lineTo(centerX, centerY + iconSize);
+					LK.lineTo(centerX - iconSize, centerY + iconSize / 2);
+					LK.lineTo(centerX - iconSize, centerY - iconSize / 2);
+					LK.lineTo(centerX, centerY - iconSize);
+					LK.stroke();
+					break;
+				case 'heal':
+					// Draw plus symbol
+					LK.fillRect(centerX - iconSize, centerY - iconSize / 4, iconSize * 2, iconSize / 2);
+					LK.fillRect(centerX - iconSize / 4, centerY - iconSize, iconSize / 2, iconSize * 2);
+					break;
+				case 'time':
+					// Draw clock symbol
+					LK.drawCircle(centerX, centerY, iconSize);
+					LK.setStrokeStyle('white');
+					LK.beginPath();
+					LK.moveTo(centerX, centerY);
+					LK.lineTo(centerX, centerY - iconSize * 0.7);
+					LK.moveTo(centerX, centerY);
+					LK.lineTo(centerX + iconSize * 0.5, centerY);
+					LK.stroke();
+					break;
+			}
+		}
+	}]);
+}(GameObject);
+/** 
+* Sparkle Class - Visual effects
+*/ 
+var Sparkle = /*#__PURE__*/function (_GameObject4) {
+	function Sparkle(x, y, type) {
+		var _this5;
+		_classCallCheck(this, Sparkle);
+		_this5 = _callSuper(this, Sparkle, [x, y, 10, 10, 'sparkle']);
+		_this5.type = type || 'defeat'; // defeat, attack, powerup
+		_this5.lifespan = 0.5; // seconds
+		_this5.velocity = {
+			x: (Math.random() - 0.5) * 100,
+			y: (Math.random() - 0.5) * 100
+		};
+		// Set color based on type
+		switch (_this5.type) {
+			case 'defeat':
+				_this5.color = "rgba(255,255,".concat(Math.floor(Math.random() * 100) + 155, ",0.8)");
+				break;
+			case 'attack':
+				_this5.color = "rgba(255,".concat(Math.floor(Math.random() * 100) + 100, ",100,0.8)");
+				break;
+			case 'powerup':
+				_this5.color = "rgba(".concat(Math.floor(Math.random() * 155) + 100, ",").concat(Math.floor(Math.random() * 155) + 100, ",255,0.8)");
+				break;
+			case 'chain':
+				_this5.color = "rgba(100,255,".concat(Math.floor(Math.random() * 155) + 100, ",0.8)");
+				break;
+			default:
+				_this5.color = "rgba(255,255,255,0.8)";
+		}
+		return _this5;
+	}
+	_inherits(Sparkle, _GameObject4);
+	return _createClass(Sparkle, [{
+		key: "update",
+		value: function update(deltaTime) {
+			if (!this.active) {
+				return;
+			}
+			// Update position
+			this.x += this.velocity.x * deltaTime;
+			this.y += this.velocity.y * deltaTime;
+			// Decrease lifespan
+			this.lifespan -= deltaTime;
+			if (this.lifespan <= 0) {
+				this.active = false;
+			}
+		}
+	}, {
+		key: "render",
+		value: function render() {
+			if (!this.active) {
+				return;
+			}
+			// Draw sparkle
+			var alpha = this.lifespan * 2; // Fade out
+			LK.setFillStyle(this.color.replace('0.8', alpha));
+			LK.fillRect(this.x, this.y, this.width, this.height);
+		}
+	}]);
+}(GameObject); // --- Cloud Class ---
+var Cloud = /*#__PURE__*/function (_GameObject5) {
+	function Cloud() {
+		var _this6;
+		_classCallCheck(this, Cloud);
+		var size = 32 + Math.floor(Math.random() * 96); // Random size between 32x32 and 128x128
+		var y = Math.random() * (LK.canvas.height - size);
+		_this6 = _callSuper(this, Cloud, [LK.canvas.width + size, y, size, size, 'cloud']);
+		_this6.speed = 10 + Math.random() * 20; // Random speed
+		_this6.parallaxLayer = Math.random(); // Random depth effect
+		return _this6;
+	}
+	_inherits(Cloud, _GameObject5);
+	return _createClass(Cloud, [{
+		key: "update",
+		value: function update(deltaTime) {
+			if (!this.active) {
+				return;
+			}
+			// Move cloud from right to left
+			this.x -= this.speed * this.parallaxLayer * deltaTime;
+			// Remove if off screen
+			if (this.x + this.width < 0) {
+				this.active = false;
+			}
+		}
+	}]);
+}(GameObject); // --- Game Functions ---
+// Create a sparkle effect
+function createSparkle(x, y, type) {
+	var sparkle = new Sparkle(x, y, type);
+	sparkles.push(sparkle);
+	return sparkle;
 }
-function buyCat() {
-	if (sparkleCount < 50) {
-		addNotification('Not enough sparkles! Need 50');
-		LK.play.sound('laser1');
-		return;
+// Spawn a power-up
+function spawnPowerUp(x, y) {
+	var powerUp = new PowerUp(x, y);
+	powerUps.push(powerUp);
+	return powerUp;
+}
+// Level up function
+function levelUp() {
+	level++;
+	multiplier = 1 + (level - 1) * 0.1; // Increase multiplier by 0.1 per level
+	enemiesDefeated = 0;
+	// Create level up effect
+	for (var i = 0; i < 20; i++) {
+		createSparkle(LK.canvas.width / 2 + (Math.random() - 0.5) * 200, LK.canvas.height / 2 + (Math.random() - 0.5) * 200, 'levelup');
 	}
-	sparkleCount -= 50;
-	var newCat = {
-		id: "cat-".concat(Date.now()),
-		level: 1,
-		sparkleRate: 1,
-		upgradeCost: 50,
-		position: {
-			x: 0,
-			y: 0,
-			z: 0
-		},
-		image: LK.getAsset('catImage', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		}),
-		// Assign image to cat
-		label: new Text2("Cat ".concat(newCat.id), {
-			size: 30,
-			fill: 0xFFFFFF,
-			fontFamily: "Arial, sans-serif"
-		})
-	};
-	cats.push(newCat);
-	LK.play.sound('songbird1');
-	updateUI();
 }
-function upgradeBranch(branchId) {
-	var branch = branches.find(function (b) {
-		return b.id === branchId;
-	});
-	if (!branch) {
-		return;
+// --- Main Game Functions ---
+// Initialize game
+function initialize() {
+	// Set background color
+	LK.setBackgroundColor('#87CEEB'); // Sky blue
+	// Create initial cat
+	cats.push(new Cat(100, LK.canvas.height / 2));
+	// Initialize timers
+	lastUpdateTime = Date.now();
+	idlePointsLastCalculated = Date.now();
+	// Create initial clouds
+	for (var i = 0; i < 5; i++) {
+		var cloud = new Cloud();
+		cloud.x = Math.random() * LK.canvas.width; // Position randomly across screen
+		clouds.push(cloud);
 	}
-	if (sparkleCount < branch.upgradeCost) {
-		addNotification("Not enough sparkles! Need ".concat(branch.upgradeCost));
-		LK.play.sound('laser1');
-		return;
+}
+// Update game state
+function update(deltaTime) {
+	// Update timers
+	var currentTime = Date.now();
+	deltaTime = (currentTime - lastUpdateTime) / 1000; // Convert to seconds
+	lastUpdateTime = currentTime;
+	// Calculate idle points
+	calculateIdlePoints();
+	// Spawn enemies based on timers
+	birdSpawnTimer += deltaTime * 1000;
+	if (birdSpawnTimer >= BIRD_SPAWN_INTERVAL / (1 + (level - 1) * 0.1) && birds.length < MAX_BIRDS) {
+		birds.push(new Bird());
+		birdSpawnTimer = 0;
 	}
-	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)
-			});
+	ufoSpawnTimer += deltaTime * 1000;
+	if (ufoSpawnTimer >= UFO_SPAWN_INTERVAL && ufos.length < MAX_UFOS && level % 5 === 0) {
+		ufos.push(new UFO());
+		ufoSpawnTimer = 0;
+	}
+	// Spawn clouds
+	cloudSpawnTimer += deltaTime * 1000;
+	if (cloudSpawnTimer >= CLOUD_SPAWN_INTERVAL && clouds.length < MAX_CLOUDS) {
+		spawnCloud();
+		cloudSpawnTimer = 0;
+	}
+	// Update all game objects
+	updateGameObjects(cats, deltaTime);
+	updateGameObjects(kittens, deltaTime);
+	updateGameObjects(birds, deltaTime);
+	updateGameObjects(ufos, deltaTime);
+	updateGameObjects(powerUps, deltaTime);
+	updateGameObjects(sparkles, deltaTime);
+	updateGameObjects(clouds, deltaTime);
+	// Clean up inactive objects
+	cleanupInactiveObjects();
+}
+// Update array of game objects
+function updateGameObjects(objects, deltaTime) {
+	for (var i = 0; i < objects.length; i++) {
+		if (objects[i].active) {
+			objects[i].update(deltaTime);
 		}
-		return b;
+	}
+}
+// Clean up inactive objects
+function cleanupInactiveObjects() {
+	birds = birds.filter(function (obj) {
+		return obj.active;
 	});
-	LK.play.sound('teslacoil');
-	updateUI();
+	ufos = ufos.filter(function (obj) {
+		return obj.active;
+	});
+	powerUps = powerUps.filter(function (obj) {
+		return obj.active;
+	});
+	sparkles = sparkles.filter(function (obj) {
+		return obj.active;
+	});
+	clouds = clouds.filter(function (obj) {
+		return obj.active;
+	});
 }
-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);
+// Render game
+function render() {
+	// Clear canvas
+	LK.clear();
+	// Render clouds (background)
+	renderGameObjects(clouds);
+	// Render game objects
+	renderGameObjects(cats);
+	renderGameObjects(kittens);
+	renderGameObjects(birds);
+	renderGameObjects(ufos);
+	renderGameObjects(powerUps);
+	renderGameObjects(sparkles);
+	// Render UI
+	renderUI();
 }
-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);
+// Render array of game objects
+function renderGameObjects(objects) {
+	for (var i = 0; i < objects.length; i++) {
+		if (objects[i].active) {
+			objects[i].render();
+		}
+	}
 }
-function updateUI() {
-	sparkleCountEl.textContent = "Sparkles: ".concat(sparkleCount);
+// Render UI elements
+function renderUI() {
+	// Score display
+	LK.setFillStyle('white');
+	LK.setFont('24px Arial');
+	LK.fillText("Score: ".concat(Math.floor(score)), LK.canvas.width / 2, 30, 'center');
+	// Level and multiplier
+	LK.setFont('18px Arial');
+	LK.fillText("Level: ".concat(level), LK.canvas.width - 80, 30, 'right');
+	LK.fillText("Multiplier: ".concat(multiplier.toFixed(1), "x"), LK.canvas.width / 2, 60, 'center');
+	// Enemies defeated counter
+	LK.fillText("Enemies: ".concat(enemiesDefeated, "/").concat(ENEMIES_PER_LEVEL), 80, 30, 'left');
+	// Idle points counter
+	LK.fillText("Idle Points: ".concat(Math.floor(idlePoints)), LK.canvas.width - 20, LK.canvas.height - 20, 'right');
 }
-// 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;
+// Handle input events
+function handleInput(obj) {
+	var x = obj.x;
+	var y = obj.y;
+	// Check if clicked on a power-up
+	var _iterator7 = _createForOfIteratorHelper(powerUps),
+		_step7;
+	try {
+		for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {
+			var powerUp = _step7.value;
+			if (powerUp.active && x >= powerUp.x && x <= powerUp.x + powerUp.width && y >= powerUp.y && y <= powerUp.y + powerUp.height) {
+				// Collect power-up
+				powerUp.active = false;
+				// Apply to nearest defender
+				var closestDist = Infinity;
+				var closest = null;
+				var _iterator8 = _createForOfIteratorHelper(cats),
+					_step8;
+				try {
+					for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {
+						var cat = _step8.value;
+						var dist = distance(powerUp.x, powerUp.y, cat.x, cat.y);
+						if (dist < closestDist) {
+							closestDist = dist;
+							closest = cat;
+						}
+					}
+				} catch (err) {
+					_iterator8.e(err);
+				} finally {
+					_iterator8.f();
+				}
+				var _iterator9 = _createForOfIteratorHelper(kittens),
+					_step9;
+				try {
+					for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) {
+						var kitten = _step9.value;
+						var dist = distance(powerUp.x, powerUp.y, kitten.x, kitten.y);
+						if (dist < closestDist) {
+							closestDist = dist;
+							closest = kitten;
+						}
+					}
+				} catch (err) {
+					_iterator9.e(err);
+				} finally {
+					_iterator9.f();
+				}
+				if (closest) {
+					powerUp.applyEffect(closest);
+				}
+				return;
+			}
+		}
+		// Place a new cat at the clicked position
+	} catch (err) {
+		_iterator7.e(err);
+	} finally {
+		_iterator7.f();
 	}
+	if (idlePoints >= 50) {
+		idlePoints -= 50;
+		cats.push(new Cat(x, y));
+	}
 }
-// Cleanup
-function cleanup() {
-	// Cleanup logic if needed
+// Main game loop
+function gameLoop() {
+	update(1 / 60); // 60 FPS
+	render();
 }
 // Start the game
-startGame();
\ No newline at end of file
+initialize();
+LK.on('pointerdown', handleInput);
+multiplier = 1.0 + (level - 1) * 0.1;
\ No newline at end of file