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

/**** 
* Classes
****/ 
var Miner = Container.expand(function () {
	var self = Container.call(this);
	var minerGraphics = self.attachAsset('miner', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.miningRate = 1000; // Default mining rate
	self.originalMiningRate = self.miningRate;
	self.update = function () {
		// Logic for miner's update
	};
});

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

/**** 
* Game Code
****/ 
// Flag to pause gameplay during background transitions
/**** 
* Global Flags
****/ 
var isTransitioning = false;
/**** 
* Helper Functions for Spawn Zones & Floating Text
****/ 
// Generate a valid cluster center (avoid top 150px and lower-right corner)
function getValidClusterCenter() {
	var x, y;
	do {
		x = 100 + Math.random() * (2048 - 200);
		y = 100 + Math.random() * (2732 - 200);
	} while (y < 150 || x > 2048 - 250 && y > 2732 - 250);
	return {
		x: x,
		y: y
	};
}
// Display floating text near moneyDisplay; offsets depend on the color:
// Red (drone hit) moves right; Blue (ore tap) moves left; Green (miner hit) is default.
function showFloatingText(amount, color) {
	var offsetX;
	if (color === 0xFF0000) {
		// red: drone
		offsetX = 50 + (Math.random() - 0.5) * 20;
	} else if (color === 0x0000FF) {
		// blue: ore tap
		offsetX = -50 + (Math.random() - 0.5) * 20;
	} else {
		offsetX = (Math.random() - 0.5) * 50;
	}
	var offsetY = (Math.random() - 0.5) * 50;
	var txt = new Text2("+" + amount, {
		size: 40,
		fill: color,
		stroke: color,
		strokeThickness: 4,
		align: 'center'
	});
	txt.x = moneyDisplay.x + moneyDisplay.width / 2 + offsetX;
	txt.y = moneyDisplay.y + moneyDisplay.height + offsetY;
	game.addChild(txt);
	tween(txt, {
		alpha: 0,
		y: txt.y - 20
	}, {
		duration: 1000,
		onFinish: function onFinish() {
			txt.destroy();
		}
	});
}
/**** 
* GAME-STATE & STATS
****/ 
var gameState = {
	money: 0,
	pickaxeLevel: 1,
	pickaxeBaseMultiplier: 1,
	droneLevel: 0,
	currentTier: 1,
	oreMultipliers: {
		coal: 1,
		iron: 1,
		gold: 1,
		diamond: 1,
		sapphire: 1,
		emerald: 1,
		ruby: 1,
		chronostone: 1,
		soulember: 1,
		quantumshard: 1
	},
	respawnTime: 3000,
	maxClustersPerType: 3,
	clusterCount: {
		coal: 0,
		iron: 0,
		gold: 0,
		diamond: 0,
		sapphire: 0,
		emerald: 0,
		ruby: 0,
		chronostone: 0,
		soulember: 0,
		quantumshard: 0
	},
	clusterConfigLevels: [{
		min: 2,
		max: 3
	}, {
		min: 3,
		max: 4
	}, {
		min: 4,
		max: 5
	}, {
		min: 5,
		max: 6
	}, {
		min: 6,
		max: 7
	}, {
		min: 6,
		max: 8
	}],
	clusterUpgradeTier: 0,
	get clusterConfig() {
		return this.clusterConfigLevels[this.clusterUpgradeTier] || {
			min: 2,
			max: 3
		};
	},
	prestigeCount: 0,
	prestigeCurrency: 0,
	tapDamage: 1,
	totalMoneyEarned: 0,
	tapCount: 0,
	minerHitCount: 0,
	startTime: Date.now(),
	oreMined: {
		coal: 0,
		iron: 0,
		gold: 0,
		diamond: 0,
		sapphire: 0,
		emerald: 0,
		ruby: 0,
		chronostone: 0,
		soulember: 0,
		quantumshard: 0
	}
};
/**** 
* ACHIEVEMENTS
****/ 
var achievements = [{
	id: 'first_mine',
	name: 'First Mine',
	description: 'Mine your first ore',
	achieved: false,
	condition: function condition() {
		return gameState.money > 0;
	}
}, {
	id: 'rich_miner',
	name: 'Rich Miner',
	description: 'Earn 1 Billion money',
	achieved: false,
	condition: function condition() {
		return gameState.money >= 1e9;
	}
}, {
	id: 'coal_miner',
	name: 'Coal Miner',
	description: 'Mine 50 coal ores',
	achieved: false,
	target: 50,
	condition: function condition() {
		return gameState.oreMined.coal >= 50;
	}
}];
/**** 
* ORE DATA
****/ 
var oreData = {
	coal: {
		baseValue: 5,
		baseHealth: 10,
		assetId: 'coal_ore'
	},
	iron: {
		baseValue: 500,
		baseHealth: 100,
		assetId: 'iron_ore'
	},
	gold: {
		baseValue: 10000,
		baseHealth: 500,
		assetId: 'gold_ore'
	},
	diamond: {
		baseValue: 25000,
		baseHealth: 1000,
		assetId: 'diamond_ore'
	},
	sapphire: {
		baseValue: 100000,
		baseHealth: 2000,
		assetId: 'sapphire_ore'
	},
	emerald: {
		baseValue: 500000,
		baseHealth: 5000,
		assetId: 'emerald_ore'
	},
	ruby: {
		baseValue: 1000000,
		baseHealth: 10000,
		assetId: 'ruby_ore'
	},
	chronostone: {
		baseValue: 2000000,
		baseHealth: 2000,
		assetId: 'chronostone_ore',
		color: 0xc997d8
	},
	soulember: {
		baseValue: 5000000,
		baseHealth: 5000,
		assetId: 'soulember_ore',
		color: 0xdef3e5
	},
	quantumshard: {
		baseValue: 10000000,
		baseHealth: 10000,
		assetId: 'quantumshard_ore',
		color: 0xa1bb12
	}
};
function hideUpgradeDesc() {/* Placeholder */}
function randomInt(min, max) {
	return Math.floor(Math.random() * (max - min + 1)) + min;
}
function spawnMiningParticles(ore, num) {
	for (var i = 0; i < num; i++) {
		var p = LK.getAsset('mining_particle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		if (ore.parent) {
			p.x = ore.parent.x + ore.x;
			p.y = ore.parent.y + ore.y;
		} else {
			p.x = ore.x;
			p.y = ore.y;
		}
		if (["chronostone", "soulember", "quantumshard"].indexOf(ore.type) >= 0) {
			p.tint = oreData[ore.type].color || 0xffffff;
		}
		p.vx = (Math.random() - 0.5) * 10;
		p.vy = (Math.random() - 0.5) * 10;
		p.alpha = 1;
		p.zIndex = -1;
		tween(p, {
			alpha: 0,
			y: p.y - 50
		}, {
			duration: 1000,
			onFinish: function onFinish() {
				p.destroy();
			}
		});
		game.addChild(p);
	}
}
function interpolateColor(c1, c2, f) {
	var r1 = c1 >> 16 & 0xFF,
		g1 = c1 >> 8 & 0xFF,
		b1 = c1 & 0xFF;
	var r2 = c2 >> 16 & 0xFF,
		g2 = c2 >> 8 & 0xFF,
		b2 = c2 & 0xFF;
	var r = Math.round(r1 + f * (r2 - r1)),
		g = Math.round(g1 + f * (g2 - g1)),
		b = Math.round(b1 + f * (b2 - b1));
	return r << 16 | g << 8 | b;
}
function screenShake(duration, magnitude) {
	var originalX = game.x,
		originalY = game.y,
		shakeInterval = 50,
		elapsed = 0;
	var shake = setInterval(function () {
		elapsed += shakeInterval;
		game.x = originalX + (Math.random() - 0.5) * magnitude;
		game.y = originalY + (Math.random() - 0.5) * magnitude;
		if (elapsed >= duration) {
			clearInterval(shake);
			game.x = originalX;
			game.y = originalY;
		}
	}, shakeInterval);
}
function spawnDroneAOE(ore) {
	var effect = LK.getAsset('drone_aoe_effect', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	if (ore.parent) {
		effect.x = ore.parent.x + ore.x;
		effect.y = ore.parent.y + ore.y;
	} else {
		effect.x = ore.x;
		effect.y = ore.y;
	}
	effect.alpha = 1;
	effect.zIndex = 1;
	game.addChild(effect);
	tween(effect, {
		alpha: 0
	}, {
		duration: 500,
		onFinish: function onFinish() {
			effect.destroy();
		}
	});
}
/**** 
* Achievements & Stats Menus
****/ 
function createAchievementsMenu() {
	upgradeMenu.removeChildren();
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x333333,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.alpha = 0.9;
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	// Title: black, bold, outlined
	var titleText = new Text2("Achievements", {
		size: 60,
		fill: 0x000000,
		stroke: 0xFFFFFF,
		strokeThickness: 4,
		align: "center",
		fontWeight: 'bold'
	});
	titleText.anchor.set(0.5);
	titleText.x = menuBg.x;
	titleText.y = menuBg.y - 1000;
	upgradeMenu.addChild(titleText);
	var yStart = menuBg.y - 800,
		spacing = 150;
	achievements.forEach(function (ach, index) {
		var container = new Container();
		container.x = menuBg.x;
		container.y = yStart + index * spacing;
		var title = new Text2(ach.name, {
			size: 50,
			fill: 0x000000,
			stroke: 0xFFFFFF,
			strokeThickness: 4,
			fontWeight: 'bold'
		});
		title.anchor.set(0.5);
		container.addChild(title);
		if (ach.target !== undefined) {
			var currentProgress = ach.id === 'coal_miner' ? gameState.oreMined.coal : 0;
			var progressBarBg = LK.getAsset('achievement_bar', {
				width: 400,
				height: 30,
				color: 0x555555,
				anchorX: 0,
				anchorY: 0.5
			});
			progressBarBg.x = -200;
			progressBarBg.y = 50;
			container.addChild(progressBarBg);
			var progressWidth = Math.min(currentProgress / ach.target * 400, 400);
			var progressBarFg = LK.getAsset('rectangle', {
				width: progressWidth,
				height: 30,
				color: 0x00FF00,
				anchorX: 0,
				anchorY: 0.5
			});
			progressBarFg.x = -200;
			progressBarFg.y = 50;
			container.addChild(progressBarFg);
			var progressText = new Text2(currentProgress + "/" + ach.target, {
				size: 30,
				fill: 0x000000,
				stroke: 0xFFFFFF,
				strokeThickness: 4
			});
			progressText.anchor.set(0.5);
			progressText.x = 0;
			progressText.y = 50;
			container.addChild(progressText);
		}
		if (ach.achieved) {
			var achievedText = new Text2("Achieved!", {
				size: 30,
				fill: 0x000000,
				stroke: 0xFFFFFF,
				strokeThickness: 4
			});
			achievedText.anchor.set(0.5);
			achievedText.x = 300;
			achievedText.y = 0;
			container.addChild(achievedText);
		}
		upgradeMenu.addChild(container);
	});
	var backBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backBtn.x = menuBg.x + 700;
	backBtn.y = menuBg.y - 1000;
	backBtn.down = function () {
		createMainUpgradeMenu();
	};
	upgradeMenu.addChild(backBtn);
}
function createStatsMenu() {
	upgradeMenu.removeChildren();
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x222222,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.alpha = 0.9;
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var titleText = new Text2("Game Stats", {
		size: 60,
		fill: 0x000000,
		stroke: 0xFFFFFF,
		strokeThickness: 4,
		align: "center",
		fontWeight: 'bold'
	});
	titleText.anchor.set(0.5);
	titleText.x = menuBg.x;
	titleText.y = menuBg.y - 1000;
	upgradeMenu.addChild(titleText);
	var oreTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby', 'chronostone', 'soulember', 'quantumshard'];
	var yStart = menuBg.y - 800,
		spacing = 60;
	oreTypes.forEach(function (type, index) {
		var statContainer = new Container();
		statContainer.x = menuBg.x - 600;
		statContainer.y = yStart + index * spacing;
		var oreAsset = LK.getAsset(type + '_ore', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		oreAsset.scale = 0.5;
		oreAsset.x = 0;
		oreAsset.y = 0;
		statContainer.addChild(oreAsset);
		var oreName = type.charAt(0).toUpperCase() + type.slice(1);
		var countText = new Text2(oreName + " Mined: " + (gameState.oreMined[type] || 0), {
			size: 40,
			fill: 0x000000,
			stroke: 0xFFFFFF,
			strokeThickness: 4,
			fontWeight: 'bold'
		});
		countText.x = 100;
		countText.y = 0;
		statContainer.addChild(countText);
		upgradeMenu.addChild(statContainer);
	});
	var statsText = "";
	statsText += "Total Money Earned: $" + gameState.totalMoneyEarned.toLocaleString() + "\n";
	var achievedCount = achievements.filter(function (a) {
		return a.achieved;
	}).length;
	statsText += "Achievements: " + achievedCount + "/" + achievements.length + "\n";
	statsText += "Prestige Count: " + gameState.prestigeCount + "\n";
	var timePlayed = Math.floor((Date.now() - gameState.startTime) / 1000);
	statsText += "Time Played: " + timePlayed + " sec\n";
	statsText += "Ore Taps: " + gameState.tapCount + "\n";
	statsText += "Miner Hits: " + gameState.minerHitCount + "\n";
	var fullyUpgraded = 0;
	for (var key in oreUpgrades) {
		oreUpgrades[key].forEach(function (upg) {
			if (upg.level >= upg.maxLevel) {
				fullyUpgraded++;
			}
		});
	}
	statsText += "Fully Upgraded Ore Upgrades: " + fullyUpgraded + "\n";
	var otherStats = new Text2(statsText, {
		size: 40,
		fill: 0x000000,
		stroke: 0xFFFFFF,
		strokeThickness: 4,
		fontWeight: 'bold'
	});
	otherStats.x = menuBg.x + 200;
	otherStats.y = menuBg.y - 800;
	upgradeMenu.addChild(otherStats);
	var backBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backBtn.x = menuBg.x + 700;
	backBtn.y = menuBg.y - 1000;
	backBtn.down = function () {
		createMainUpgradeMenu();
	};
	upgradeMenu.addChild(backBtn);
}
/**** 
* PRESTIGE & BACKGROUND HELPERS
****/ 
function getPrestigeRequirement() {
	return 1e9 * Math.pow(2, gameState.prestigeCount);
}
function canPrestige() {
	return gameState.money >= getPrestigeRequirement();
}
function calculatePrestigeShards() {
	return 1;
}
function doPrestige() {
	// Remove all clusters and drones
	for (var i = clusters.length - 1; i >= 0; i--) {
		var c = clusters[i];
		c.removeChildren();
		if (c.parent) {
			c.parent.removeChild(c);
		}
		clusters.splice(i, 1);
	}
	droneObjects.forEach(function (d) {
		if (d.parent) {
			d.parent.removeChild(d);
		}
	});
	droneObjects = [];
	droneSprites.forEach(function (ds) {
		if (ds.parent) {
			ds.parent.removeChild(ds);
		}
	});
	droneSprites = [];
	// Reset miner swing speed to base value
	if (miner) {
		miner.miningRate = miner.originalMiningRate;
	}
	// Update prestige state
	var shards = calculatePrestigeShards();
	gameState.prestigeCurrency += shards;
	gameState.prestigeCount++;
	gameState.money = 0;
	gameState.currentTier = 1;
	for (var key in gameState.clusterCount) {
		gameState.clusterCount[key] = 0;
	}
	resetUpgrades();
	gameState.droneLevel = 0;
	// Set flag to pause gameplay
	isTransitioning = true;
	// Begin background transition; when done, spawn new clusters and resume gameplay.
	handleBackgroundTransition(function () {
		// Transition complete: spawn new clusters and update UI
		initialSpawn();
		updateUI();
	});
}
function resetUpgrades() {
	gameState.oreMultipliers = {
		coal: 1,
		iron: 1,
		gold: 1,
		diamond: 1,
		sapphire: 1,
		emerald: 1,
		ruby: 1,
		chronostone: 1,
		soulember: 1,
		quantumshard: 1
	};
	gameState.pickaxeLevel = 1;
	gameState.pickaxeBaseMultiplier = 1;
	gameState.tapDamage = 1;
	gameState.respawnTime = 3000;
	gameState.clusterUpgradeTier = 0;
	for (var key in oreUpgrades) {
		oreUpgrades[key].forEach(function (upg) {
			if (upg.initCost === undefined) {
				upg.initCost = upg.cost;
			}
			upg.cost = upg.initCost;
			upg.level = 0;
			upg.purchased = false;
		});
	}
	generalUpgrades.forEach(function (upg) {
		if (upg.initCost === undefined) {
			upg.initCost = upg.cost;
		}
		upg.cost = upg.initCost;
		upg.level = 0;
		upg.purchased = false;
	});
	droneUpgrades.forEach(function (upg) {
		if (upg.initCost === undefined) {
			upg.initCost = upg.cost;
		}
		upg.cost = upg.initCost;
		upg.level = 0;
		upg.purchased = false;
	});
}
function handleBackgroundTransition(callback) {
	if (nextBackground && nextBackground.parent) {
		nextBackground.parent.removeChild(nextBackground);
	}
	var bgAssetId;
	if (gameState.prestigeCount >= 8) {
		bgAssetId = 'background_tier8';
	} else if (gameState.prestigeCount >= 5) {
		bgAssetId = 'background_tier5';
	} else if (gameState.prestigeCount >= 3) {
		bgAssetId = 'background_tier3';
	} else {
		bgAssetId = 'background';
	}
	var newBg = LK.getAsset(bgAssetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	newBg.x = 2048 / 2;
	newBg.y = 2732 + 2732 / 2;
	newBg.zIndex = -100;
	game.addChildAt(newBg, 0);
	nextBackground = newBg;
	var oldBg = currentBackground;
	if (!oldBg) {
		oldBg = LK.getAsset(bgAssetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		oldBg.x = 2048 / 2;
		oldBg.y = 2732 / 2;
		oldBg.zIndex = -100;
		game.addChildAt(oldBg, 0);
	}
	if (oldBg.assetId === newBg.assetId) {
		newBg = LK.getAsset(bgAssetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		newBg.x = 2048 / 2;
		newBg.y = 2732 + 2732 / 2;
		newBg.zIndex = -100;
		game.addChildAt(newBg, 0);
		nextBackground = newBg;
	}
	var dur = 3000;
	tween(oldBg, {
		y: oldBg.y - 2732
	}, {
		duration: dur,
		onFinish: function onFinish() {
			if (oldBg && oldBg.parent) {
				oldBg.parent.removeChild(oldBg);
			}
		}
	});
	tween(newBg, {
		y: 2732 / 2
	}, {
		duration: dur,
		onFinish: function onFinish() {
			currentBackground = newBg;
			isTransitioning = false; // resume gameplay
			if (callback) {
				callback();
			}
		}
	});
}
var clusters = [];
var currentBackground = null;
var nextBackground = null;
var miner = null;
var droneObjects = [];
var droneSprites = [];
var prestigeMainButton = null;
/**** 
* Spawn Functions
****/ 
function initialSpawn() {
	var allTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	allTypes.forEach(function (type, idx) {
		var t = idx + 1;
		if (t <= gameState.currentTier) {
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster(type);
			}
		}
	});
	maybeSpawnSpecialOres();
}
function updateDroneObjects() {
	while (droneObjects.length < gameState.droneLevel) {
		var d = new Drone();
		d.x = 200 + Math.random() * (2048 - 400);
		d.y = 200 + Math.random() * (2732 - 400);
		droneObjects.push(d);
		game.addChild(d);
	}
}
function updateDroneSprites() {
	while (droneSprites.length < gameState.droneLevel) {
		var drone = LK.getAsset('drone_asset', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		drone.x = 100 + droneSprites.length * 90;
		drone.y = 200;
		droneSprites.push(drone);
		game.addChild(drone);
	}
}
function maybeSpawnCluster(type) {
	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	if (typeList.indexOf(type) >= 0) {
		var tIndex = typeList.indexOf(type) + 1;
		if (tIndex > gameState.currentTier) {
			return;
		}
	}
	if (gameState.clusterCount[type] >= gameState.maxClustersPerType) {
		return;
	}
	var cluster = new Cluster(type);
	game.addChild(cluster);
	clusters.push(cluster);
	gameState.clusterCount[type]++;
}
function maybeSpawnSpecialOres() {
	var spawnChances = [];
	if (gameState.prestigeCount >= 3) {
		spawnChances.push({
			type: 'chronostone',
			min: 3,
			max: 5
		});
	}
	if (gameState.prestigeCount >= 5) {
		spawnChances.push({
			type: 'soulember',
			min: 1.5,
			max: 2.5
		});
	}
	if (gameState.prestigeCount >= 8) {
		spawnChances.push({
			type: 'quantumshard',
			min: 0.8,
			max: 1.2
		});
	}
	if (spawnChances.length === 0) {
		return;
	}
	var standardTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	standardTypes.forEach(function (type) {
		if (gameState.clusterCount[type] < gameState.maxClustersPerType) {
			for (var i = 0; i < spawnChances.length; i++) {
				var chanceObj = spawnChances[i];
				var chance = randomInt(chanceObj.min * 10, chanceObj.max * 10) / 10;
				var roll = Math.random() * 100;
				if (roll < chance) {
					if (gameState.clusterCount[chanceObj.type] < gameState.maxClustersPerType) {
						maybeSpawnCluster(chanceObj.type);
					}
				}
			}
		}
	});
}
/**** 
* Drone DPS Functions
****/ 
function getDroneDPS() {
	return 10 * gameState.droneLevel;
}
function droneDamageTick() {
	var dps = getDroneDPS();
	if (dps <= 0) {
		return;
	}
	var allValidOres = [];
	clusters.forEach(function (c) {
		c.oreList.forEach(function (ore) {
			if (ore.health > 0 && ore.tier <= gameState.currentTier) {
				allValidOres.push(ore);
			}
		});
	});
	if (allValidOres.length === 0) {
		return;
	}
	var damageRemaining = dps;
	while (damageRemaining > 0 && allValidOres.length > 0) {
		var randomIndex = Math.floor(Math.random() * allValidOres.length);
		var ore = allValidOres[randomIndex];
		var chunk = Math.min(damageRemaining, 10);
		ore.health -= chunk;
		damageRemaining -= chunk;
		if (ore.health <= 0) {
			var baseValue = ore.getValue();
			gameState.money += baseValue;
			updateUI();
			ore.cluster.notifyOreDestroyed(ore);
			spawnMiningParticles(ore, 5);
			allValidOres.splice(randomIndex, 1);
		}
	}
}
/**** 
* UPGRADE DATA
****/ 
// (Upgrade data remains unchanged)
var oreUpgrades = {
	coal: [{
		id: 'double_coal',
		name: 'Double Coal Value',
		cost: 100,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Coal Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.coal *= 2;
			this.cost *= 2;
		}
	}],
	iron: [{
		id: 'unlock_iron',
		name: 'Unlock Iron Mining',
		cost: 7000,
		effect: 'Allows iron ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 2) {
				gameState.currentTier = 2;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('iron');
			}
		}
	}, {
		id: 'double_iron',
		name: 'Double Iron Value',
		cost: 1000,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Iron Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.iron *= 2;
			this.cost *= 2;
		}
	}],
	gold: [{
		id: 'unlock_gold',
		name: 'Unlock Gold Mining',
		cost: 70000,
		effect: 'Allows gold ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 3) {
				gameState.currentTier = 3;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('gold');
			}
		}
	}, {
		id: 'double_gold',
		name: 'Double Gold Value',
		cost: 20000,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Gold Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.gold *= 2;
			this.cost *= 2;
		}
	}],
	diamond: [{
		id: 'unlock_diamond',
		name: 'Unlock Diamond Mining',
		cost: 280000,
		effect: 'Allows diamond ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 4) {
				gameState.currentTier = 4;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('diamond');
			}
		}
	}, {
		id: 'double_diamond',
		name: 'Double Diamond Value',
		cost: 50000,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Diamond Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.diamond *= 2;
			this.cost *= 2;
		}
	}],
	sapphire: [{
		id: 'unlock_sapphire',
		name: 'Unlock Sapphire Mining',
		cost: 1400000,
		effect: 'Allows sapphire ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 5) {
				gameState.currentTier = 5;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('sapphire');
			}
		}
	}, {
		id: 'double_sapphire',
		name: 'Double Sapphire Value',
		cost: 200000,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Sapphire Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.sapphire *= 2;
			this.cost *= 2;
		}
	}],
	emerald: [{
		id: 'unlock_emerald',
		name: 'Unlock Emerald Mining',
		cost: 7000000,
		effect: 'Allows emerald ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 6) {
				gameState.currentTier = 6;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('emerald');
			}
		}
	}, {
		id: 'double_emerald',
		name: 'Double Emerald Value',
		cost: 1000000,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Emerald Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.emerald *= 2;
			this.cost *= 2;
		}
	}],
	ruby: [{
		id: 'unlock_ruby',
		name: 'Unlock Ruby Mining',
		cost: 14000000,
		effect: 'Allows ruby ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 7) {
				gameState.currentTier = 7;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('ruby');
			}
		}
	}, {
		id: 'double_ruby',
		name: 'Double Ruby Value',
		cost: 2000000,
		multi: true,
		level: 0,
		maxLevel: 20,
		effect: 'Doubles Ruby Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.ruby *= 2;
			this.cost *= 2;
		}
	}]
};
var generalUpgrades = [{
	id: 'faster_respawn',
	name: 'Quicker Respawn',
	cost: 8000,
	effect: 'Halves respawn time (min 500 ms)',
	multi: true,
	level: 0,
	maxLevel: 3,
	action: function action() {
		gameState.respawnTime = Math.max(500, gameState.respawnTime / 2);
		this.level++;
		this.cost = Math.floor(this.cost * 2);
	}
}, {
	id: 'cluster_up',
	name: 'Cluster Growth',
	cost: 1000,
	effect: 'Increases cluster size range',
	multi: true,
	level: 0,
	maxLevel: 5,
	action: function action() {
		if (gameState.clusterUpgradeTier < gameState.clusterConfigLevels.length - 1) {
			gameState.clusterUpgradeTier++;
		}
		this.level++;
		this.cost += 2000;
	}
}, {
	id: 'pickaxe_buff',
	name: 'Pickaxe DMG +20%',
	cost: 20000,
	effect: 'Increases your total pickaxe damage by 20%',
	multi: true,
	level: 0,
	maxLevel: 20,
	action: function action() {
		this.level++;
		gameState.pickaxeBaseMultiplier *= 1.2;
		this.cost = Math.floor(this.cost * 2);
	}
}, {
	id: 'tap_damage',
	name: 'Tap Damage Upgrade',
	cost: 5000,
	effect: 'Increase tap damage by 50%',
	multi: true,
	level: 0,
	maxLevel: 20,
	action: function action() {
		this.level++;
		gameState.tapDamage *= 1.5;
		this.cost = Math.floor(this.cost * 2);
	}
}, {
	id: 'miner_speed',
	name: 'Miner Swing Speed Upgrade',
	cost: 20000,
	effect: 'Increase miner swing speed (reduce cooldown by 10%)',
	multi: true,
	level: 0,
	maxLevel: 20,
	action: function action() {
		this.level++;
		miner.miningRate = Math.max(1, Math.floor(miner.miningRate * 0.9));
		this.cost = Math.floor(this.cost * 2);
	}
}];
var prestigeUpgrades = [{
	id: 'pickaxe_plus_1',
	name: 'Pickaxe Level +1',
	cost: 3,
	effect: 'Increases pickaxe damage by 1',
	purchased: false,
	action: function action() {
		gameState.pickaxeLevel++;
	}
}, {
	id: 'pickaxe_plus_2',
	name: 'Pickaxe Speed +10%',
	cost: 4,
	effect: 'Reduces mining cooldown by 10%',
	purchased: false,
	action: function action() {
		miner.miningRate = Math.floor(miner.miningRate * 0.90);
		if (miner.miningRate < 1) {
			miner.miningRate = 1;
		}
	}
}, {
	id: 'pickaxe_plus_3',
	name: 'Pickaxe Bonus DMG +2',
	cost: 6,
	effect: 'Increases pickaxe damage by an additional 2',
	purchased: false,
	action: function action() {
		gameState.pickaxeLevel += 2;
	}
}, {
	id: 'pickaxe_plus_4',
	name: 'Mega Pickaxe',
	cost: 15,
	effect: 'Increases pickaxe damage by an additional 5',
	purchased: false,
	action: function action() {
		gameState.pickaxeLevel += 5;
	}
}];
var prestigeDrones = [{
	id: 'drone_speedup',
	name: 'Drone Technology +1',
	cost: 8,
	effect: 'Increases Drone DPS by 50',
	purchased: false,
	action: function action() {
		if (!gameState.droneLevel) {
			gameState.droneLevel = 0;
		}
		gameState.droneLevel += 5;
	}
}, {
	id: 'drone_overclock',
	name: 'Drone Overclock',
	cost: 12,
	effect: 'Increases Drone DPS by 100',
	purchased: false,
	action: function action() {
		gameState.droneLevel += 10;
	}
}];
var droneUpgrades = [{
	id: 'drone_level_1',
	name: 'Buy Drones (Lv +1)',
	cost: 5000,
	effect: 'Each level adds +10 DPS',
	purchased: false,
	multi: true,
	level: 0,
	maxLevel: 20,
	action: function action() {
		if (!gameState.droneLevel) {
			gameState.droneLevel = 0;
		}
		gameState.droneLevel++;
		this.level++;
		this.cost = Math.floor(this.cost * 1.5);
		updateDroneObjects();
	}
}];
/**** 
* UI
****/ 
// Upgrade menu container with high zIndex.
var upgradeMenu = new Container();
upgradeMenu.zIndex = 10000;
// Tooltip, money and prestige displays, shop button, and test money button.
var tooltip = new Text2('', {
	size: 40,
	fill: 0xFFFFFF,
	stroke: 0x000000,
	strokeThickness: 4
});
game.addChild(tooltip);
var moneyDisplay = new Text2('$0', {
	size: 80,
	fill: 0xFFFFFF,
	fontWeight: 'bold',
	stroke: 0x000000,
	strokeThickness: 4
});
moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
moneyDisplay.y = 50;
game.addChild(moneyDisplay);
var prestigeDisplay = new Text2('Prestige: 0', {
	size: 50,
	fill: 0xFFFFFF,
	fontWeight: 'bold',
	stroke: 0x000000,
	strokeThickness: 4
});
prestigeDisplay.x = 250;
prestigeDisplay.y = 50;
game.addChild(prestigeDisplay);
var shopOpenButton = LK.getAsset('shop_icon', {
	anchorX: 0.5,
	anchorY: 0.5
});
shopOpenButton.x = 2048 - 150;
shopOpenButton.y = 2732 - 150;
shopOpenButton.down = function () {
	createMainUpgradeMenu();
	game.addChild(upgradeMenu);
	if (upgradeMenu.parent) {
		upgradeMenu.parent.setChildIndex(upgradeMenu, upgradeMenu.parent.children.length - 1);
	}
};
game.addChild(shopOpenButton);
// Test money button now gives $5 trillion instead of $5 billion.
var addMoneyButton = LK.getAsset('test_money_button', {
	anchorX: 0.5,
	anchorY: 0.5
});
addMoneyButton.x = 200;
addMoneyButton.y = 2732 - 300;
addMoneyButton.down = function () {
	gameState.money += 5000000000000;
	updateUI();
};
game.addChild(addMoneyButton);
/**** 
* UPGRADE MODAL HELPER
****/ 
function showUpgradeModal(upg, btn, callback) {
	var modal = new Container();
	var bg = LK.getAsset('upgrade_popup_bg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	modal.addChild(bg);
	var nextCost = upg.multi ? Math.floor(upg.cost * 2) : upg.cost;
	var textStr = upg.effect + "\nCost: $" + upg.cost;
	if (upg.multi) {
		textStr += "   Next: $" + nextCost;
	}
	var desc = new Text2(textStr, {
		size: 35,
		fill: 0x000000,
		stroke: 0x000000,
		strokeThickness: 4,
		align: 'center',
		fontWeight: 'bold'
	});
	desc.anchor.set(0.5);
	desc.y = -50;
	modal.addChild(desc);
	var upgradeBtn = LK.getAsset('upgrade_confirm_button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	upgradeBtn.x = -100;
	upgradeBtn.y = 50;
	modal.addChild(upgradeBtn);
	var upgradeTxt = new Text2("Upgrade", {
		size: 35,
		fill: 0x000000,
		stroke: 0xFFFFFF,
		strokeThickness: 4,
		align: 'center',
		fontWeight: 'bold'
	});
	upgradeTxt.anchor.set(0.5);
	upgradeTxt.x = upgradeBtn.x;
	upgradeTxt.y = upgradeBtn.y;
	modal.addChild(upgradeTxt);
	var cancelBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cancelBtn.x = 100;
	cancelBtn.y = 50;
	modal.addChild(cancelBtn);
	modal.x = btn.x;
	modal.y = btn.y - 150;
	upgradeMenu.addChild(modal);
	if (upgradeMenu.parent) {
		upgradeMenu.parent.setChildIndex(upgradeMenu, upgradeMenu.parent.children.length - 1);
	}
	upgradeBtn.down = function () {
		callback(true);
		modal.destroy();
	};
	cancelBtn.down = function () {
		callback(false);
		modal.destroy();
	};
	upgradeMenu.down = function (event) {
		modal.destroy();
	};
}
/**** 
* PRESTIGE MODAL
****/ 
function showPrestigeModal() {
	var modal = new Container();
	var popup = LK.getAsset('prestige_popup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	modal.addChild(popup);
	var req = getPrestigeRequirement();
	var prompt = new Text2("Prestige?\nYou need: $" + req.toLocaleString() + "\nYou have: $" + Math.floor(gameState.money).toLocaleString(), {
		size: 40,
		fill: 0xFFFFFF,
		stroke: 0x000000,
		strokeThickness: 4,
		align: 'center'
	});
	prompt.anchor.set(0.5);
	modal.addChild(prompt);
	popup.x = 0;
	popup.y = 0;
	prompt.x = 0;
	prompt.y = -30;
	var yesBtn = LK.getAsset('yes_button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	yesBtn.x = -100;
	yesBtn.y = 60;
	modal.addChild(yesBtn);
	var noBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	noBtn.x = 100;
	noBtn.y = 60;
	modal.addChild(noBtn);
	modal.x = 2048 / 2;
	modal.y = 2732 / 2;
	upgradeMenu.addChild(modal);
	yesBtn.down = function () {
		if (canPrestige()) {
			doPrestige();
			modal.destroy();
			upgradeMenu.removeChild(modal);
		}
	};
	noBtn.down = function () {
		modal.destroy();
		upgradeMenu.removeChild(modal);
	};
	upgradeMenu.down = function (event) {
		modal.destroy();
	};
}
/**** 
* MAIN UPGRADE MENU – with added "Game Stats" category.
****/ 
function createMainUpgradeMenu() {
	upgradeMenu.removeChildren();
	subUpgradeItemRefs = [];
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x2a2a2a,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.alpha = 0.9;
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var categories = [{
		name: 'Coal Upgrades',
		type: 'coal'
	}, {
		name: 'Iron Upgrades',
		type: 'iron'
	}, {
		name: 'Gold Upgrades',
		type: 'gold'
	}, {
		name: 'Diamond Upgrades',
		type: 'diamond'
	}, {
		name: 'Sapphire Upgrades',
		type: 'sapphire'
	}, {
		name: 'Emerald Upgrades',
		type: 'emerald'
	}, {
		name: 'Ruby Upgrades',
		type: 'ruby'
	}, {
		name: 'General Upgrades',
		type: 'general'
	}, {
		name: 'Drones',
		type: 'drones'
	}, {
		name: 'Achievements',
		type: 'achievements'
	}, {
		name: 'Prestige',
		type: 'prestige'
	}, {
		name: 'Game Stats',
		type: 'stats'
	}];
	var colSpacing = 400,
		rowSpacing = 300;
	for (var i = 0; i < categories.length; i++) {
		var col = i % 2,
			row = Math.floor(i / 2);
		var x = menuBg.x + (col === 0 ? -colSpacing : colSpacing);
		var y = menuBg.y - 800 + row * rowSpacing;
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = x;
		btn.y = y;
		upgradeMenu.addChild(btn);
		// Tab menu titles: black, bold, outlined
		var txt = new Text2(categories[i].name, {
			size: 50,
			fill: 0x000000,
			stroke: 0xFFFFFF,
			strokeThickness: 4,
			align: 'center',
			fontWeight: 'bold'
		});
		txt.anchor.set(0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		upgradeMenu.addChild(txt);
		btn.down = function (cat) {
			return function (event) {
				event.stopPropagation && event.stopPropagation();
				hideUpgradeDesc();
				if (cat.type === 'general') {
					createSubUpgradeMenu('General Upgrades', generalUpgrades);
				} else if (cat.type === 'drones') {
					createSubUpgradeMenu('Drone Upgrades', droneUpgrades);
				} else if (cat.type === 'achievements') {
					createAchievementsMenu();
				} else if (cat.type === 'prestige') {
					createPrestigeMenu();
				} else if (cat.type === 'stats') {
					createStatsMenu();
				} else {
					createSubUpgradeMenu(cat.name, oreUpgrades[cat.type]);
				}
			};
		}(categories[i]);
	}
	var closeBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeBtn.x = menuBg.x + 750;
	closeBtn.y = menuBg.y - 950;
	closeBtn.down = function () {
		game.removeChild(upgradeMenu);
	};
	upgradeMenu.addChild(closeBtn);
	upgradeMenu.down = function (event) {
		hideUpgradeDesc();
	};
	if (upgradeMenu.parent) {
		upgradeMenu.parent.setChildIndex(upgradeMenu, upgradeMenu.parent.children.length - 1);
	}
}
var subUpgradeItemRefs = [];
function createSubUpgradeMenu(title, upgList) {
	upgradeMenu.removeChildren();
	subUpgradeItemRefs = [];
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x2a2a2a,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.alpha = 0.9;
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var titleText = new Text2(title, {
		size: 60,
		fill: 0x000000,
		stroke: 0xFFFFFF,
		strokeThickness: 4,
		align: 'center',
		fontWeight: 'bold'
	});
	titleText.anchor.set(0.5);
	titleText.x = menuBg.x;
	titleText.y = menuBg.y - 1000;
	upgradeMenu.addChild(titleText);
	var startY = menuBg.y - 800,
		colSpacing = 400;
	for (var i = 0; i < upgList.length; i++) {
		var col = i % 2,
			row = Math.floor(i / 2);
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = menuBg.x + (col === 0 ? -colSpacing : colSpacing);
		btn.y = startY + row * 250;
		upgradeMenu.addChild(btn);
		var displayName = upgList[i].name;
		if (typeof upgList[i].level === 'number' && upgList[i].level > 0) {
			displayName += " (Lv " + upgList[i].level + ")";
		}
		var txt = new Text2(displayName + "\nCost: $" + upgList[i].cost, {
			size: 45,
			fill: 0x000000,
			stroke: 0xFFFFFF,
			strokeThickness: 4,
			align: 'center',
			fontWeight: 'bold'
		});
		txt.anchor.set(0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		upgradeMenu.addChild(txt);
		btn.down = function (upg, btn) {
			return function (event) {
				event.stopPropagation && event.stopPropagation();
				showUpgradeModal(upg, btn, function (confirmed) {
					if (confirmed && canPurchaseUpgrade(upgList, upg)) {
						gameState.money -= upg.cost;
						upg.purchased = true;
						upg.action();
						updateUI();
						createSubUpgradeMenu(title, upgList);
					}
				});
			};
		}(upgList[i], btn);
		subUpgradeItemRefs.push({
			upgList: upgList,
			upgrade: upgList[i],
			textObj: txt
		});
	}
	var backBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backBtn.x = menuBg.x + 700;
	backBtn.y = menuBg.y - 1000;
	backBtn.down = function () {
		createMainUpgradeMenu();
	};
	upgradeMenu.addChild(backBtn);
	upgradeMenu.down = function (event) {
		hideUpgradeDesc();
	};
}
function canPurchaseUpgrade(upgList, upg) {
	if (upg.requires) {
		var needed = upgList.find(function (u) {
			return u.id === upg.requires;
		});
		if (!needed || !needed.purchased) {
			return false;
		}
	}
	if (upg.multi && upg.maxLevel !== undefined && upg.level >= upg.maxLevel) {
		return false;
	}
	if (!upg.multi && upg.purchased) {
		return false;
	}
	if (gameState.money < upg.cost) {
		return false;
	}
	return true;
}
/**** 
* GAME LOOP
****/ 
var quantumSelectTimer = 0,
	quantumSelectionActive = false;
game.update = function () {
	// Pause miner movement while transitioning.
	if (!isTransitioning && miner) {
		miner.update();
	}
	for (var i = 0; i < droneObjects.length; i++) {
		droneObjects[i].updateDrone();
	}
	if (typeof LK.time !== 'undefined' && LK.time.elapsed % 60 === 0) {
		droneDamageTick();
	}
	clusters.forEach(function (cluster) {
		cluster.oreList.forEach(function (ore) {
			if (ore.health > 0) {
				var fraction = ore.health / ore.maxHealth;
				ore.healthBar.width = 120 * fraction;
				ore.healthBar.fill = interpolateColor(0xFF0000, 0x00FF00, fraction);
				ore.alpha = fraction;
			}
		});
	});
	if (upgradeMenu.parent) {
		subUpgradeItemRefs.forEach(function (ref) {
			var upg = ref.upgrade;
			var canBuy = canPurchaseUpgrade(ref.upgList, upg);
			if (ref.textObj && ref.textObj.style) {
				ref.textObj.style.fill = canBuy ? 0xFFFFFF : 0x666666;
			}
		});
	}
	if (quantumSelectionActive) {
		quantumSelectTimer++;
		if (quantumSelectTimer > 15 * 60) {
			quantumSelectionActive = false;
			miner.quantumPathActive = false;
		}
	}
	achievements.forEach(function (ach) {
		if (!ach.achieved && ach.condition()) {
			ach.achieved = true;
			var achText = new Text2("Achievement Unlocked: " + ach.name, {
				size: 40,
				fill: 0xFFFF00,
				stroke: 0x000000,
				strokeThickness: 4
			});
			achText.x = 2048 / 2;
			achText.y = 100;
			game.addChild(achText);
			tween(achText, {
				alpha: 0
			}, {
				duration: 2000,
				onFinish: function onFinish() {
					achText.destroy();
				}
			});
		}
	});
	if (canPrestige()) {
		if (!prestigeMainButton) {
			prestigeMainButton = LK.getAsset('prestige_main_button', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			prestigeMainButton.x = 150;
			prestigeMainButton.y = 2732 - 150;
			prestigeMainButton.down = function () {
				doPrestige();
				if (prestigeMainButton && prestigeMainButton.parent) {
					prestigeMainButton.parent.removeChild(prestigeMainButton);
					prestigeMainButton = null;
				}
			};
			game.addChild(prestigeMainButton);
		}
	} else {
		if (prestigeMainButton) {
			if (prestigeMainButton.parent) {
				prestigeMainButton.parent.removeChild(prestigeMainButton);
			}
			prestigeMainButton = null;
		}
	}
	// Always bring upgradeMenu to top.
	if (upgradeMenu && upgradeMenu.parent) {
		upgradeMenu.parent.setChildIndex(upgradeMenu, upgradeMenu.parent.children.length - 1);
	}
};
/**** 
* UI REFRESH & SAVE/LOAD
****/ 
function updateUI() {
	moneyDisplay.setText("$" + Math.floor(gameState.money).toLocaleString());
	moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
	prestigeDisplay.setText("Prestige: " + gameState.prestigeCount);
}
LK.saveGame = function () {
	return gameState;
};
LK.loadGame = function (data) {
	gameState = data;
	updateUI();
};
/**** 
* START GAME
****/ 
function startGame() {
	currentBackground = LK.getAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	currentBackground.x = 2048 / 2;
	currentBackground.y = 2732 / 2;
	currentBackground.zIndex = -100;
	game.addChildAt(currentBackground, 0);
	miner = new Miner();
	miner.x = 2048 / 2;
	miner.y = 2732 / 2;
	game.addChild(miner);
	initialSpawn();
	updateUI();
}
startGame();
game.pauseForQuantumSelection = function () {
	quantumSelectionActive = true;
	quantumSelectTimer = 0;
};
function createPrestigeMenu() {
	upgradeMenu.removeChildren();
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x444444,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.alpha = 0.9;
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var titleText = new Text2("Prestige Upgrades", {
		size: 60,
		fill: 0x000000,
		stroke: 0xFFFFFF,
		strokeThickness: 4,
		align: "center",
		fontWeight: 'bold'
	});
	titleText.anchor.set(0.5);
	titleText.x = menuBg.x;
	titleText.y = menuBg.y - 1000;
	upgradeMenu.addChild(titleText);
	var startY = menuBg.y - 800;
	var colSpacing = 400;
	for (var i = 0; i < prestigeUpgrades.length; i++) {
		var col = i % 2,
			row = Math.floor(i / 2);
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = menuBg.x + (col === 0 ? -colSpacing : colSpacing);
		btn.y = startY + row * 250;
		upgradeMenu.addChild(btn);
		var displayName = prestigeUpgrades[i].name;
		var txt = new Text2(displayName + "\nCost: " + prestigeUpgrades[i].cost + " Shards", {
			size: 45,
			fill: 0x000000,
			stroke: 0xFFFFFF,
			strokeThickness: 4,
			align: 'center',
			fontWeight: 'bold'
		});
		txt.anchor.set(0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		upgradeMenu.addChild(txt);
		btn.down = function (upg, btn) {
			return function (event) {
				event.stopPropagation && event.stopPropagation();
				showUpgradeModal(upg, btn, function (confirmed) {
					if (confirmed && canPurchaseUpgrade(prestigeUpgrades, upg)) {
						gameState.prestigeCurrency -= upg.cost;
						upg.purchased = true;
						upg.action();
						updateUI();
						createPrestigeMenu();
					}
				});
			};
		}(prestigeUpgrades[i], btn);
	}
	var backBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backBtn.x = menuBg.x + 700;
	backBtn.y = menuBg.y - 1000;
	backBtn.down = function () {
		createMainUpgradeMenu();
	};
	upgradeMenu.addChild(backBtn);
}

===================================================================
--- original.js
+++ change.js
@@ -5,449 +5,40 @@
 
 /**** 
 * Classes
 ****/ 
-/** Cluster – spawns multiple ore objects. **/
-var Cluster = Container.expand(function (type) {
-	var self = Container.call(this);
-	self.type = type;
-	self.oreList = [];
-	self.zIndex = 0;
-	// Use the helper to generate a valid spawn position (avoiding UI areas)
-	var center = getValidClusterCenter();
-	self.x = center.x;
-	self.y = center.y;
-	var cc = gameState.clusterConfig;
-	var count = randomInt(cc.min, cc.max);
-	for (var i = 0; i < count; i++) {
-		var ore = new Ore(type, self);
-		ore.x = (Math.random() - 0.5) * 120;
-		ore.y = (Math.random() - 0.5) * 120;
-		self.oreList.push(ore);
-		self.addChild(ore);
-	}
-	self.notifyOreDestroyed = function (ore) {
-		var idx = self.oreList.indexOf(ore);
-		if (idx >= 0) {
-			self.oreList.splice(idx, 1);
-		}
-		ore.destroy();
-		if (self.oreList.length === 0) {
-			if (self.parent) {
-				self.parent.removeChild(self);
-			}
-			var cidx = clusters.indexOf(self);
-			if (cidx >= 0) {
-				clusters.splice(cidx, 1);
-			}
-			gameState.clusterCount[type]--;
-			// Increase ore–mined stat:
-			gameState.oreMined[type] = (gameState.oreMined[type] || 0) + 1;
-			var finalDelay = gameState.respawnTime;
-			if (type === 'coal') {
-				finalDelay *= 2;
-			}
-			LK.setTimeout(function () {
-				maybeSpawnCluster(type);
-			}, finalDelay);
-		}
-	};
-	return self;
-});
-/** Drone – moves and zaps ores. **/
-var Drone = Container.expand(function () {
-	var self = Container.call(this);
-	self.droneSprite = LK.getAsset('drone_asset', {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	self.addChild(self.droneSprite);
-	self.AOE_RANGE = 150;
-	self.droneDamage = 2;
-	self.COOLDOWN_MAX = 60;
-	self.cooldown = 0;
-	var SPEED = 8,
-		MIN_X = 50,
-		MAX_X = 2000,
-		MIN_Y = 50,
-		MAX_Y = 2682;
-	self.vx = Math.random() < 0.5 ? SPEED : -SPEED;
-	self.vy = Math.random() < 0.5 ? SPEED : -SPEED;
-	self.updateDrone = function () {
-		self.x += self.vx;
-		self.y += self.vy;
-		if (self.x < MIN_X || self.x > MAX_X) {
-			self.vx = -self.vx;
-		}
-		if (self.y < MIN_Y || self.y > MAX_Y) {
-			self.vy = -self.vy;
-		}
-		if (Math.random() < 0.01) {
-			self.vx += (Math.random() - 0.5) * 2;
-			self.vy += (Math.random() - 0.5) * 2;
-			var speed = Math.sqrt(self.vx * self.vx + self.vy * self.vy);
-			if (speed > SPEED) {
-				self.vx = self.vx / speed * SPEED;
-				self.vy = self.vy / speed * SPEED;
-			}
-		}
-		self.droneSprite.rotation += 0.1;
-		if (self.cooldown > 0) {
-			self.cooldown--;
-		} else {
-			self.tryZap();
-		}
-	};
-	self.tryZap = function () {
-		var hitSomething = false;
-		clusters.forEach(function (cluster) {
-			cluster.oreList.forEach(function (ore) {
-				if (ore.health > 0) {
-					var oreGlobalX = cluster.x + ore.x,
-						oreGlobalY = cluster.y + ore.y;
-					var dx = self.x - oreGlobalX,
-						dy = self.y - oreGlobalY;
-					var dist = Math.sqrt(dx * dx + dy * dy);
-					if (dist < self.AOE_RANGE) {
-						var damage = self.droneDamage;
-						var actualDamage = Math.min(damage, ore.health);
-						var fraction = actualDamage / ore.maxHealth;
-						var reward = Math.round(fraction * ore.getValue());
-						if (ore.awardedMoney + reward > ore.getValue()) {
-							reward = ore.getValue() - ore.awardedMoney;
-						}
-						ore.awardedMoney += reward;
-						gameState.money += reward;
-						gameState.totalMoneyEarned += reward;
-						updateUI();
-						ore.health -= actualDamage;
-						hitSomething = true;
-						spawnDroneAOE(ore);
-						if (ore.health <= 0) {
-							ore.cluster.notifyOreDestroyed(ore);
-							spawnMiningParticles(ore, 5);
-						} else {
-							spawnMiningParticles(ore, 2);
-						}
-						// Show floating text for drone hit (red)
-						showFloatingText(reward, 0xFF0000);
-					}
-				}
-			});
-		});
-		if (hitSomething) {
-			LK.getSound('drone_shot').play();
-			self.cooldown = self.COOLDOWN_MAX;
-		}
-	};
-	return self;
-});
-/** Miner – moves toward and mines the nearest ore. **/
 var Miner = Container.expand(function () {
 	var self = Container.call(this);
-	self.attachAsset('miner', {
+	var minerGraphics = self.attachAsset('miner', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.speed = 5;
-	self.currentTarget = null;
-	self.miningRange = 25;
-	self.miningCooldown = 0;
-	self.miningRate = 60;
-	self.miningDamage = 1;
+	self.miningRate = 1000; // Default mining rate
 	self.originalMiningRate = self.miningRate;
-	self.originalMiningDamage = self.miningDamage;
-	self.speedBoostMultiplier = 1;
-	self.speedBoostTimer = 0;
-	self.soulEmberStacks = 0;
-	self.quantumPathActive = false;
-	self.quantumPath = [];
-	self.quantumShardValueBonus = false;
-	self.hyperMiningActive = false;
-	self.hyperMiningTimer = 0;
-	self.activateHyperMining = function () {
-		self.hyperMiningActive = true;
-		self.hyperMiningTimer = 10 * 60;
-		self.miningDamage *= 2;
-		self.miningRate = Math.max(1, Math.floor(self.miningRate / 2));
-	};
-	self.findNewTarget = function () {
-		if (self.quantumPathActive && self.quantumPath.length > 0) {
-			self.currentTarget = self.quantumPath[0];
-			if (!self.currentTarget || self.currentTarget.health <= 0) {
-				self.quantumPath.shift();
-				if (self.quantumPath.length === 0) {
-					self.quantumShardValueBonus = false;
-					self.quantumPathActive = false;
-					self.currentTarget = null;
-				}
-				return;
-			}
-			return;
-		}
-		var validOre = [];
-		clusters.forEach(function (c) {
-			c.oreList.forEach(function (ore) {
-				if (ore.health > 0 && (ore.tier <= gameState.currentTier || ore.type === "chronostone" || ore.type === "soulember" || ore.type === "quantumshard")) {
-					validOre.push(ore);
-				}
-			});
-		});
-		if (validOre.length === 0) {
-			self.currentTarget = null;
-			return;
-		}
-		self.currentTarget = validOre.sort(function (a, b) {
-			var aX = a.parent.x + a.x,
-				aY = a.parent.y + a.y;
-			var bX = b.parent.x + b.x,
-				bY = b.parent.y + b.y;
-			return Math.hypot(aX - self.x, aY - self.y) - Math.hypot(bX - self.x, bY - self.y);
-		})[0];
-	};
 	self.update = function () {
-		if (self.hyperMiningActive) {
-			self.hyperMiningTimer--;
-			if (self.hyperMiningTimer <= 0) {
-				self.miningDamage = self.originalMiningDamage;
-				self.miningRate = self.originalMiningRate;
-				self.hyperMiningActive = false;
-			}
-		}
-		if (self.speedBoostTimer > 0) {
-			self.speedBoostTimer--;
-			if (self.speedBoostTimer <= 0) {
-				self.speedBoostMultiplier = 1;
-			}
-		}
-		self.findNewTarget();
-		if (self.currentTarget) {
-			var tx = self.currentTarget.parent.x + self.currentTarget.x,
-				ty = self.currentTarget.parent.y + self.currentTarget.y;
-			var dx = tx - self.x,
-				dy = ty - self.y,
-				dist = Math.sqrt(dx * dx + dy * dy);
-			var finalSpeed = self.speed * self.speedBoostMultiplier;
-			if (dist > self.miningRange) {
-				self.x += dx / dist * finalSpeed;
-				self.y += dy / dist * finalSpeed;
-			} else {
-				self.mineOre(self.currentTarget);
-			}
-		} else {
-			if (typeof LK.time !== 'undefined') {
-				self.y += Math.sin(LK.time.elapsed / 250) * 0.5;
-			}
-		}
+		// Logic for miner's update
 	};
-	self.mineOre = function (ore) {
-		if (self.miningCooldown > 0) {
-			self.miningCooldown--;
-			return;
-		}
-		var damageDealt = self.miningDamage * gameState.pickaxeLevel * (gameState.pickaxeBaseMultiplier || 1);
-		var actualDamage = Math.min(damageDealt, ore.health);
-		var fraction = actualDamage / ore.maxHealth;
-		var reward = Math.round(fraction * ore.getValue());
-		if (ore.awardedMoney + reward > ore.getValue()) {
-			reward = ore.getValue() - ore.awardedMoney;
-		}
-		ore.awardedMoney += reward;
-		gameState.money += reward;
-		gameState.totalMoneyEarned += reward;
-		gameState.minerHitCount++;
-		updateUI();
-		var mineSound = LK.getSound('mine_' + ore.type);
-		if (mineSound) {
-			mineSound.play();
-		}
-		ore.health -= actualDamage;
-		self.miningCooldown = self.miningRate;
-		if (ore.health <= 0) {
-			spawnMiningParticles(ore, 5);
-			var destroySound = LK.getSound('ore_destroy_' + ore.type);
-			if (destroySound) {
-				destroySound.play();
-			}
-			if (ore.type === "explosive" && ore.explode) {
-				ore.explode();
-			}
-			ore.cluster.notifyOreDestroyed(ore);
-		} else {
-			spawnMiningParticles(ore, 2);
-		}
-		// Show floating text for miner hit (green)
-		showFloatingText(reward, 0x00FF00);
-	};
-	self.applyChronostoneBoost = function () {
-		self.speedBoostMultiplier *= 3;
-		self.speedBoostTimer = 30 * 60;
-	};
-	self.applySoulEmberBoost = function () {
-		if (gameState.money >= 1e6) {
-			var drain = gameState.money * 0.10;
-			gameState.money -= drain;
-			self.soulEmberStacks = 10;
-			updateUI();
-		}
-	};
-	self.triggerQuantumShardMode = function () {
-		self.quantumShardValueBonus = true;
-		self.quantumPathActive = true;
-		self.quantumPath = [];
-		game.pauseForQuantumSelection();
-	};
-	return self;
 });
-/** Ore – represents a single ore. **/
-var Ore = Container.expand(function (type, cluster) {
-	var self = Container.call(this);
-	self.type = type;
-	self.cluster = cluster;
-	self.zIndex = 0;
-	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
-	if (typeList.indexOf(type) >= 0) {
-		self.tier = typeList.indexOf(type) + 1;
-	} else {
-		self.tier = 999;
-	}
-	self.baseValue = oreData[type].baseValue;
-	self.maxHealth = oreData[type].baseHealth;
-	self.health = self.maxHealth;
-	self.attachAsset(oreData[type].assetId, {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	// Use the new health_bar asset instead of the generic rectangle
-	self.healthBar = LK.getAsset('health_bar', {
-		width: 120,
-		height: 20,
-		color: 0x00FF00,
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	self.healthBar.x = 0;
-	self.healthBar.y = -70;
-	self.addChild(self.healthBar);
-	self.awardedMoney = 0;
-	self.lastTapTime = 0;
-	self.interactive = true;
-	self.buttonMode = true;
-	self.down = function () {
-		var currentTime = typeof LK.time !== 'undefined' ? LK.time.elapsed : Date.now();
-		if (currentTime - self.lastTapTime < 1) {
-			return;
-		}
-		self.lastTapTime = currentTime;
-		var hitSound = LK.getSound('mine_' + self.type);
-		if (hitSound) {
-			hitSound.play();
-		}
-		var damage = gameState.tapDamage;
-		var actualDamage = Math.min(damage, self.health);
-		var fraction = actualDamage / self.maxHealth;
-		var reward = Math.round(fraction * self.getValue());
-		if (self.awardedMoney + reward > self.getValue()) {
-			reward = self.getValue() - self.awardedMoney;
-		}
-		self.awardedMoney += reward;
-		gameState.money += reward;
-		gameState.totalMoneyEarned += reward;
-		gameState.tapCount++;
-		updateUI();
-		self.health -= actualDamage;
-		spawnMiningParticles(self, 2);
-		if (self.health <= 0) {
-			var destroySound = LK.getSound('ore_destroy_' + self.type);
-			if (destroySound) {
-				destroySound.play();
-			}
-			self.cluster.notifyOreDestroyed(self);
-		}
-		// Show floating text for ore tap (blue)
-		showFloatingText(reward, 0x0000FF);
-	};
-	if (["chronostone", "soulember", "quantumshard"].indexOf(type) >= 0) {
-		var _pulseGlow2 = function _pulseGlow() {
-			tween(glow, {
-				alpha: 1
-			}, {
-				duration: 1000,
-				onFinish: function onFinish() {
-					tween(glow, {
-						alpha: 0.5
-					}, {
-						duration: 1000,
-						onFinish: _pulseGlow2
-					});
-				}
-			});
-		};
-		var glow = LK.getAsset('glowing_line_asset', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		});
-		glow.alpha = 0.5;
-		self.addChildAt(glow, 0);
-		_pulseGlow2();
-	}
-	if (type === "explosive") {
-		self.explode = function () {
-			var explosionRadius = 100;
-			clusters.forEach(function (cluster) {
-				cluster.oreList.forEach(function (otherOre) {
-					if (otherOre !== self && otherOre.health > 0) {
-						var oreGlobalX = cluster.x + otherOre.x;
-						var oreGlobalY = cluster.y + otherOre.y;
-						var dx = self.parent.x + self.x - oreGlobalX;
-						var dy = self.parent.y + self.y - oreGlobalY;
-						var dist = Math.sqrt(dx * dx + dy * dy);
-						if (dist < explosionRadius) {
-							otherOre.health -= 50;
-							if (otherOre.health <= 0) {
-								var baseValue = otherOre.getValue();
-								gameState.money += baseValue;
-								updateUI();
-								otherOre.cluster.notifyOreDestroyed(otherOre);
-								spawnMiningParticles(otherOre, 5);
-							} else {
-								spawnMiningParticles(otherOre, 2);
-							}
-						}
-					}
-				});
-			});
-			screenShake(500, 10);
-		};
-	}
-	self.getValue = function () {
-		var val = self.baseValue * gameState.oreMultipliers[self.type];
-		return Math.round(val / 2) * 2;
-	};
-	return self;
-});
 
 /**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
-	backgroundColor: 0x1a1a1a
+	backgroundColor: 0x000000
 });
 
 /**** 
 * Game Code
 ****/ 
-// Helper to generate a valid cluster center (avoids UI areas: top 150px and lower-right corner)
+// Flag to pause gameplay during background transitions
 /**** 
-* Helper Functions for Spawn Zones & Floating Text
+* Global Flags
 ****/ 
-// New assets for health and achievement bars:
-// New asset for the "test instant money" button:
-// NEW ASSETS
-// Existing asset definitions remain the same…
+var isTransitioning = false;
 /**** 
-* GAME-STATE & STATS
+* Helper Functions for Spawn Zones & Floating Text
 ****/ 
+// Generate a valid cluster center (avoid top 150px and lower-right corner)
 function getValidClusterCenter() {
 	var x, y;
 	do {
 		x = 100 + Math.random() * (2048 - 200);
@@ -457,27 +48,32 @@
 		x: x,
 		y: y
 	};
 }
-// Function to display floating text (amount gained) near the money display.
-// Colors: green for miner hits (0x00FF00), blue for ore taps (0x0000FF), red for drone hits (0xFF0000)
+// Display floating text near moneyDisplay; offsets depend on the color:
+// Red (drone hit) moves right; Blue (ore tap) moves left; Green (miner hit) is default.
 function showFloatingText(amount, color) {
+	var offsetX;
+	if (color === 0xFF0000) {
+		// red: drone
+		offsetX = 50 + (Math.random() - 0.5) * 20;
+	} else if (color === 0x0000FF) {
+		// blue: ore tap
+		offsetX = -50 + (Math.random() - 0.5) * 20;
+	} else {
+		offsetX = (Math.random() - 0.5) * 50;
+	}
+	var offsetY = (Math.random() - 0.5) * 50;
 	var txt = new Text2("+" + amount, {
 		size: 40,
 		fill: color,
-		// Bold appearance can be simulated by a larger stroke; outline in the same color:
 		stroke: color,
 		strokeThickness: 4,
 		align: 'center'
 	});
-	// Position near moneyDisplay with a small random offset within a 50px radius:
-	var offsetX = (Math.random() - 0.5) * 50;
-	var offsetY = (Math.random() - 0.5) * 50;
 	txt.x = moneyDisplay.x + moneyDisplay.width / 2 + offsetX;
 	txt.y = moneyDisplay.y + moneyDisplay.height + offsetY;
-	// Add the text to the game (or a dedicated UI container if available)
 	game.addChild(txt);
-	// Tween the text to fade out over 1 second and then destroy it:
 	tween(txt, {
 		alpha: 0,
 		y: txt.y - 20
 	}, {
@@ -486,8 +82,11 @@
 			txt.destroy();
 		}
 	});
 }
+/**** 
+* GAME-STATE & STATS
+****/ 
 var gameState = {
 	money: 0,
 	pickaxeLevel: 1,
 	pickaxeBaseMultiplier: 1,
@@ -594,9 +193,9 @@
 		return gameState.oreMined.coal >= 50;
 	}
 }];
 /**** 
-* ORE DATA (Even values)
+* ORE DATA
 ****/ 
 var oreData = {
 	coal: {
 		baseValue: 5,
@@ -742,9 +341,8 @@
 }
 /**** 
 * Achievements & Stats Menus
 ****/ 
-// Achievements Menu
 function createAchievementsMenu() {
 	upgradeMenu.removeChildren();
 	var menuBg = LK.getAsset('rectangle', {
 		width: 1800,
@@ -756,15 +354,16 @@
 	menuBg.alpha = 0.9;
 	menuBg.x = 2048 / 2;
 	menuBg.y = 2732 / 2 + 50;
 	upgradeMenu.addChild(menuBg);
-	// Changed title text color to black (with white stroke) for consistency
+	// Title: black, bold, outlined
 	var titleText = new Text2("Achievements", {
 		size: 60,
 		fill: 0x000000,
 		stroke: 0xFFFFFF,
 		strokeThickness: 4,
-		align: "center"
+		align: "center",
+		fontWeight: 'bold'
 	});
 	titleText.anchor.set(0.5);
 	titleText.x = menuBg.x;
 	titleText.y = menuBg.y - 1000;
@@ -778,15 +377,15 @@
 		var title = new Text2(ach.name, {
 			size: 50,
 			fill: 0x000000,
 			stroke: 0xFFFFFF,
-			strokeThickness: 4
+			strokeThickness: 4,
+			fontWeight: 'bold'
 		});
 		title.anchor.set(0.5);
 		container.addChild(title);
 		if (ach.target !== undefined) {
 			var currentProgress = ach.id === 'coal_miner' ? gameState.oreMined.coal : 0;
-			// Use the new achievement_bar asset for the background bar.
 			var progressBarBg = LK.getAsset('achievement_bar', {
 				width: 400,
 				height: 30,
 				color: 0x555555,
@@ -842,9 +441,8 @@
 		createMainUpgradeMenu();
 	};
 	upgradeMenu.addChild(backBtn);
 }
-// Game Stats Menu – darker text for readability.
 function createStatsMenu() {
 	upgradeMenu.removeChildren();
 	var menuBg = LK.getAsset('rectangle', {
 		width: 1800,
@@ -858,12 +456,13 @@
 	menuBg.y = 2732 / 2 + 50;
 	upgradeMenu.addChild(menuBg);
 	var titleText = new Text2("Game Stats", {
 		size: 60,
-		fill: 0xFFFFFF,
-		stroke: 0x000000,
+		fill: 0x000000,
+		stroke: 0xFFFFFF,
 		strokeThickness: 4,
-		align: "center"
+		align: "center",
+		fontWeight: 'bold'
 	});
 	titleText.anchor.set(0.5);
 	titleText.x = menuBg.x;
 	titleText.y = menuBg.y - 1000;
@@ -885,11 +484,12 @@
 		statContainer.addChild(oreAsset);
 		var oreName = type.charAt(0).toUpperCase() + type.slice(1);
 		var countText = new Text2(oreName + " Mined: " + (gameState.oreMined[type] || 0), {
 			size: 40,
-			fill: 0xFFFFFF,
-			stroke: 0x000000,
-			strokeThickness: 4
+			fill: 0x000000,
+			stroke: 0xFFFFFF,
+			strokeThickness: 4,
+			fontWeight: 'bold'
 		});
 		countText.x = 100;
 		countText.y = 0;
 		statContainer.addChild(countText);
@@ -914,14 +514,14 @@
 			}
 		});
 	}
 	statsText += "Fully Upgraded Ore Upgrades: " + fullyUpgraded + "\n";
-	// Changed fill to a darker tone (0xCCCCCC) for better contrast
 	var otherStats = new Text2(statsText, {
 		size: 40,
-		fill: 0xCCCCCC,
-		stroke: 0x000000,
-		strokeThickness: 4
+		fill: 0x000000,
+		stroke: 0xFFFFFF,
+		strokeThickness: 4,
+		fontWeight: 'bold'
 	});
 	otherStats.x = menuBg.x + 200;
 	otherStats.y = menuBg.y - 800;
 	upgradeMenu.addChild(otherStats);
@@ -948,8 +548,9 @@
 function calculatePrestigeShards() {
 	return 1;
 }
 function doPrestige() {
+	// Remove all clusters and drones
 	for (var i = clusters.length - 1; i >= 0; i--) {
 		var c = clusters[i];
 		c.removeChildren();
 		if (c.parent) {
@@ -968,8 +569,13 @@
 			ds.parent.removeChild(ds);
 		}
 	});
 	droneSprites = [];
+	// Reset miner swing speed to base value
+	if (miner) {
+		miner.miningRate = miner.originalMiningRate;
+	}
+	// Update prestige state
 	var shards = calculatePrestigeShards();
 	gameState.prestigeCurrency += shards;
 	gameState.prestigeCount++;
 	gameState.money = 0;
@@ -978,11 +584,16 @@
 		gameState.clusterCount[key] = 0;
 	}
 	resetUpgrades();
 	gameState.droneLevel = 0;
-	handleBackgroundTransition();
-	initialSpawn();
-	updateUI();
+	// Set flag to pause gameplay
+	isTransitioning = true;
+	// Begin background transition; when done, spawn new clusters and resume gameplay.
+	handleBackgroundTransition(function () {
+		// Transition complete: spawn new clusters and update UI
+		initialSpawn();
+		updateUI();
+	});
 }
 function resetUpgrades() {
 	gameState.oreMultipliers = {
 		coal: 1,
@@ -1027,9 +638,9 @@
 		upg.level = 0;
 		upg.purchased = false;
 	});
 }
-function handleBackgroundTransition() {
+function handleBackgroundTransition(callback) {
 	if (nextBackground && nextBackground.parent) {
 		nextBackground.parent.removeChild(nextBackground);
 	}
 	var bgAssetId;
@@ -1089,8 +700,12 @@
 	}, {
 		duration: dur,
 		onFinish: function onFinish() {
 			currentBackground = newBg;
+			isTransitioning = false; // resume gameplay
+			if (callback) {
+				callback();
+			}
 		}
 	});
 }
 var clusters = [];
@@ -1572,12 +1187,12 @@
 }];
 /**** 
 * UI
 ****/ 
-// Create the upgrade menu container (zIndex high so it stays above game objects)
+// Upgrade menu container with high zIndex.
 var upgradeMenu = new Container();
 upgradeMenu.zIndex = 10000;
-// Tooltip, money and prestige displays, shop button, and test money button are UI elements.
+// Tooltip, money and prestige displays, shop button, and test money button.
 var tooltip = new Text2('', {
 	size: 40,
 	fill: 0xFFFFFF,
 	stroke: 0x000000,
@@ -1617,17 +1232,17 @@
 		upgradeMenu.parent.setChildIndex(upgradeMenu, upgradeMenu.parent.children.length - 1);
 	}
 };
 game.addChild(shopOpenButton);
-// Use the new test_money_button asset for the test instant money button.
+// Test money button now gives $5 trillion instead of $5 billion.
 var addMoneyButton = LK.getAsset('test_money_button', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
 addMoneyButton.x = 200;
 addMoneyButton.y = 2732 - 300;
 addMoneyButton.down = function () {
-	gameState.money += 5000000000;
+	gameState.money += 5000000000000;
 	updateUI();
 };
 game.addChild(addMoneyButton);
 /**** 
@@ -1640,9 +1255,8 @@
 		anchorY: 0.5
 	});
 	modal.addChild(bg);
 	var nextCost = upg.multi ? Math.floor(upg.cost * 2) : upg.cost;
-	// Changed description text fill to dark (0x000000) for readability.
 	var textStr = upg.effect + "\nCost: $" + upg.cost;
 	if (upg.multi) {
 		textStr += "   Next: $" + nextCost;
 	}
@@ -1650,9 +1264,10 @@
 		size: 35,
 		fill: 0x000000,
 		stroke: 0x000000,
 		strokeThickness: 4,
-		align: 'center'
+		align: 'center',
+		fontWeight: 'bold'
 	});
 	desc.anchor.set(0.5);
 	desc.y = -50;
 	modal.addChild(desc);
@@ -1667,9 +1282,10 @@
 		size: 35,
 		fill: 0x000000,
 		stroke: 0xFFFFFF,
 		strokeThickness: 4,
-		align: 'center'
+		align: 'center',
+		fontWeight: 'bold'
 	});
 	upgradeTxt.anchor.set(0.5);
 	upgradeTxt.x = upgradeBtn.x;
 	upgradeTxt.y = upgradeBtn.y;
@@ -1822,15 +1438,16 @@
 		});
 		btn.x = x;
 		btn.y = y;
 		upgradeMenu.addChild(btn);
-		// Tab menu titles are set to black
+		// Tab menu titles: black, bold, outlined
 		var txt = new Text2(categories[i].name, {
 			size: 50,
 			fill: 0x000000,
 			stroke: 0xFFFFFF,
 			strokeThickness: 4,
-			align: 'center'
+			align: 'center',
+			fontWeight: 'bold'
 		});
 		txt.anchor.set(0.5);
 		txt.x = btn.x;
 		txt.y = btn.y;
@@ -1888,12 +1505,13 @@
 	menuBg.y = 2732 / 2 + 50;
 	upgradeMenu.addChild(menuBg);
 	var titleText = new Text2(title, {
 		size: 60,
-		fill: 0xFFFFFF,
-		stroke: 0x000000,
+		fill: 0x000000,
+		stroke: 0xFFFFFF,
 		strokeThickness: 4,
-		align: 'center'
+		align: 'center',
+		fontWeight: 'bold'
 	});
 	titleText.anchor.set(0.5);
 	titleText.x = menuBg.x;
 	titleText.y = menuBg.y - 1000;
@@ -1918,9 +1536,10 @@
 			size: 45,
 			fill: 0x000000,
 			stroke: 0xFFFFFF,
 			strokeThickness: 4,
-			align: 'center'
+			align: 'center',
+			fontWeight: 'bold'
 		});
 		txt.anchor.set(0.5);
 		txt.x = btn.x;
 		txt.y = btn.y;
@@ -1984,9 +1603,10 @@
 ****/ 
 var quantumSelectTimer = 0,
 	quantumSelectionActive = false;
 game.update = function () {
-	if (miner) {
+	// Pause miner movement while transitioning.
+	if (!isTransitioning && miner) {
 		miner.update();
 	}
 	for (var i = 0; i < droneObjects.length; i++) {
 		droneObjects[i].updateDrone();
@@ -2066,9 +1686,9 @@
 			}
 			prestigeMainButton = null;
 		}
 	}
-	// Always bring the upgrade menu (if open) to the top.
+	// Always bring upgradeMenu to top.
 	if (upgradeMenu && upgradeMenu.parent) {
 		upgradeMenu.parent.setChildIndex(upgradeMenu, upgradeMenu.parent.children.length - 1);
 	}
 };
@@ -2125,12 +1745,13 @@
 	menuBg.y = 2732 / 2 + 50;
 	upgradeMenu.addChild(menuBg);
 	var titleText = new Text2("Prestige Upgrades", {
 		size: 60,
-		fill: 0xFFFFFF,
-		stroke: 0x000000,
+		fill: 0x000000,
+		stroke: 0xFFFFFF,
 		strokeThickness: 4,
-		align: "center"
+		align: "center",
+		fontWeight: 'bold'
 	});
 	titleText.anchor.set(0.5);
 	titleText.x = menuBg.x;
 	titleText.y = menuBg.y - 1000;
@@ -2152,9 +1773,10 @@
 			size: 45,
 			fill: 0x000000,
 			stroke: 0xFFFFFF,
 			strokeThickness: 4,
-			align: 'center'
+			align: 'center',
+			fontWeight: 'bold'
 		});
 		txt.anchor.set(0.5);
 		txt.x = btn.x;
 		txt.y = btn.y;