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

/**** 
* Classes
****/ 
var Boss = Container.expand(function (bossType, succubusRank) {
	var self = Container.call(this);
	self.type = bossType || 'slimekung';
	self.succubusRank = succubusRank || 0;
	self.rank = succubusRank; // Boss rank matches succubus rank
	self.isBoss = true;
	// Boss asset mapping
	var bossAssets = {
		'slimeking': 'slime',
		// Will be scaled up
		'orcking': 'goblin',
		// Will be scaled up  
		'darkelflord': 'skeleton',
		// Will be scaled up
		'darkgolem': 'firemonster',
		// Will be scaled up
		'demonking': 'demonking',
		'fallenangel': 'fallenangel',
		'chaosgod': 'chaosgod'
	};
	var assetName = bossAssets[self.type] || 'slime';
	var graphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Scale up boss
	graphics.scaleX = 1.5;
	graphics.scaleY = 1.5;
	// Boss health is much higher
	self.maxHealth = 150 + self.rank * 50;
	self.health = self.maxHealth;
	self.speed = 1 + self.rank * 0.1;
	// Boss gives massive experience
	self.experience = 50 + self.rank * 25;
	self.lastX = self.x;
	self.lastY = self.y;
	// Boss AI - more aggressive and smarter
	self.chooseAction = function () {
		// Bosses never miss turns and prefer attacking
		var rand = Math.random();
		if (rand < 0.6) return 'attack';
		if (rand < 0.8) return 'defend';
		return 'heal';
	};
	self.attack = function () {
		var damage = 20 + self.rank * 5 + Math.floor(Math.random() * 15);
		return damage;
	};
	self.defend = function () {
		self.defending = true;
	};
	self.heal = function () {
		var healAmount = 25 + self.rank * 3;
		self.health = Math.min(self.maxHealth, self.health + healAmount);
		return healAmount;
	};
	self.getName = function () {
		var names = {
			'slimeking': 'Slime King',
			'orcking': 'Orc King',
			'darkelflord': 'Dark Elf Lord',
			'darkgolem': 'Dark Golem',
			'demonking': 'Demon King',
			'fallenangel': 'Fallen Angel',
			'chaosgod': 'Chaos God'
		};
		return names[self.type] || 'Unknown Boss';
	};
	self.getRankName = function () {
		var ranks = ['F', 'E', 'D', 'C', 'B', 'A', 'S', 'T', 'H', 'I', 'K', 'L', 'O', 'P'];
		if (self.rank < 14) {
			return ranks[self.rank] + ' BOSS';
		} else {
			var zPlusLevel = self.rank - 13;
			return 'Z' + '+'.repeat(zPlusLevel) + ' BOSS';
		}
	};
	self.takeDamage = function (damage) {
		if (self.defending) {
			damage = Math.floor(damage * 0.5);
			self.defending = false;
		}
		self.health -= damage;
		LK.effects.flashObject(self, 0xff0000, 200);
		LK.getSound('hit').play();
		if (self.health <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
	return self;
});
var Enemy = Container.expand(function (type, succubusRank) {
	var self = Container.call(this);
	self.type = type || 'slime';
	self.succubusRank = succubusRank || 0;
	// Calculate enemy rank based on succubus rank
	var enemyRank = Math.floor(self.succubusRank / 3) + 1; // Enemy rank increases every 3 succubus ranks
	self.rank = enemyRank;
	var graphics = self.attachAsset(self.type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Health scales with rank
	self.maxHealth = 50 + self.rank * 30;
	self.health = self.maxHealth;
	self.speed = 1 + self.rank * 0.2;
	// Experience scales based on enemy rank: F=5, E=7, D=10, C=12, B=15, A=18, S=22, etc.
	var baseExp = 5;
	if (self.rank === 0) {
		// F rank
		self.experience = 5;
	} else if (self.rank === 1) {
		// E rank  
		self.experience = 7;
	} else if (self.rank === 2) {
		// D rank
		self.experience = 10;
	} else if (self.rank === 3) {
		// C rank
		self.experience = 12;
	} else if (self.rank === 4) {
		// B rank
		self.experience = 15;
	} else if (self.rank === 5) {
		// A rank
		self.experience = 18;
	} else if (self.rank === 6) {
		// S rank
		self.experience = 22;
	} else {
		// T-Z+ ranks
		self.experience = 25 + (self.rank - 6) * 3;
	}
	self.lastX = self.x;
	self.lastY = self.y;
	// Enemy AI - can attack, defend, or heal
	self.chooseAction = function () {
		// F-rank enemies (succubus rank 0-2) have poor AI and sometimes miss turns
		if (self.succubusRank <= 2 && Math.random() < 0.3) {
			return 'miss'; // 30% chance to miss turn for F-rank enemies
		}
		var actions = ['attack', 'defend', 'heal'];
		return actions[Math.floor(Math.random() * actions.length)];
	};
	self.attack = function () {
		var damage = 10 + self.rank * 3 + Math.floor(Math.random() * 10);
		return damage;
	};
	self.defend = function () {
		// Reduce incoming damage by 50% next turn
		self.defending = true;
	};
	self.heal = function () {
		var healAmount = 15 + self.rank * 2;
		self.health = Math.min(self.maxHealth, self.health + healAmount);
		return healAmount;
	};
	self.getName = function () {
		var names = {
			'slime': 'Slime',
			'goblin': 'Goblin',
			'zombie': 'Zombie',
			'skeleton': 'Skeleton',
			'firemonster': 'Fire Monster',
			'icemonster': 'Ice Monster',
			'giantbat': 'Giant Bat',
			'ghost': 'Ghost',
			'enemysuccubus': 'Enemy Succubus',
			'demon': 'Demon',
			'demonking': 'Demon King',
			'orc': 'Orc',
			'darkelf': 'Dark Elf',
			'giantrat': 'Giant Rat',
			'giantspider': 'Giant Spider',
			'wolf': 'Wolf',
			'stonegolem': 'Stone Golem'
		};
		return names[self.type] || 'Unknown Enemy';
	};
	self.getRankName = function () {
		var ranks = ['F', 'E', 'D', 'C', 'B', 'A', 'S', 'T', 'H', 'I', 'K', 'L', 'O', 'P'];
		if (self.rank < 14) {
			return ranks[self.rank];
		} else {
			var zPlusLevel = self.rank - 13;
			return 'Z' + '+'.repeat(zPlusLevel);
		}
	};
	self.takeDamage = function (damage) {
		if (self.defending) {
			damage = Math.floor(damage * 0.5);
			self.defending = false;
		}
		self.health -= damage;
		LK.effects.flashObject(self, 0xff0000, 200);
		LK.getSound('hit').play();
		if (self.health <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
	return self;
});
var Projectile = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('projectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12;
	self.targetX = 0;
	self.targetY = 0;
	self.damage = 10;
	self.update = function () {
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 5) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var Succubus = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('succubus', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.rank = 0; // F rank (0-22 = F to Z+)
	self.experience = 0;
	self.experienceToNext = 50; // Start at 50 exp needed for D rank
	self.baseDamage = 15;
	self.maxHealth = 50;
	self.health = 50;
	self.heal = function (amount) {
		self.health = Math.min(self.maxHealth, self.health + amount);
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xff0000, 200);
		if (self.health <= 0 && !self.isDead) {
			self.isDead = true;
			self.recoveryTurns = 2; // Will recover after 2 turns
			LK.effects.flashObject(self, 0x800080, 1000); // Purple flash for death
		}
		return false;
	};
	self.gainExperience = function (exp) {
		self.experience += exp;
		if (self.experience >= self.experienceToNext) {
			self.levelUp();
		}
	};
	self.levelUp = function () {
		if (self.rank < 22) {
			// Max rank Z+
			self.rank++;
			self.experience = 0;
			// Experience requirements: 50, 100, 150, 200, etc.
			self.experienceToNext = 50 + self.rank * 50;
			self.baseDamage = Math.floor(self.baseDamage * 1.2);
			self.maxHealth += 15;
			self.health = self.maxHealth;
			LK.getSound('levelup').play();
			LK.effects.flashObject(self, 0xffd700, 1000);
			// Update visual appearance based on rank
			var newScale = 1 + self.rank * 0.05;
			var newAsset = 'succubus';
			// Change appearance at specific ranks
			if (self.rank >= 17) {
				// G rank - celestial form
				newAsset = 'succubusG';
			} else if (self.rank >= 14) {
				// Z rank - supremely crazy form
				newAsset = 'succubusZ';
			} else if (self.rank >= 6) {
				// S rank - crown and peculiar form
				newAsset = 'succubusS';
			} else if (self.rank >= 5) {
				// A rank - more beautiful appearance
				newAsset = 'succubusA';
			}
			// If appearance changed, replace the graphics
			if (newAsset !== 'succubus' || newAsset === 'succubus' && self.rank >= 5) {
				self.removeChild(graphics);
				graphics = self.attachAsset(newAsset, {
					anchorX: 0.5,
					anchorY: 0.5
				});
			}
			tween(graphics, {
				scaleX: newScale,
				scaleY: newScale
			}, {
				duration: 500
			});
			// Spawn boss when leveling up
			shouldSpawnBoss = true;
			// Unlock new backgrounds at S rank
			unlockNewBackgrounds();
		}
	};
	self.isDead = false;
	self.recoveryTurns = 0;
	self.processRecovery = function () {
		if (self.isDead && self.recoveryTurns > 0) {
			self.recoveryTurns--;
			if (self.recoveryTurns === 0) {
				// Recover to 25% health
				self.health = Math.floor(self.maxHealth * 0.25);
				self.isDead = false;
				LK.effects.flashObject(self, 0x00ff00, 1000); // Green flash for recovery
			}
		}
	};
	self.getRankName = function () {
		// F(0), E(1), D(2), C(3), B(4), A(5), S(6), T(7), H(8), I(9), K(10), L(11), O(12), P(13), Z(14-22)
		var ranks = ['F', 'E', 'D', 'C', 'B', 'A', 'S', 'T', 'H', 'I', 'K', 'L', 'O', 'P'];
		if (self.rank < 14) {
			return ranks[self.rank];
		} else {
			var zPlusLevel = self.rank - 13;
			return 'Z' + '+'.repeat(zPlusLevel);
		}
	};
	return self;
});
var Summoner = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('summoner', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.maxHealth = 120;
	self.health = 120;
	self.magic = 0;
	self.lastX = self.x;
	self.lastY = self.y;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xff0000, 200);
		if (self.health <= 0) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return true;
		}
		return false;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
// Dark/spooky music for dark versions of zones
// Peaceful music for sky, mountain zones
// Strange/weird music for snow, hot, underwater zones
// Rock music for dungeon, maze, castle, demon castle zones
// Happy/cheerful music for meadow, city, forest zones
var summoner = null;
var succubus = null;
var currentEnemy = null;
var enemyTypes = ['slime', 'goblin', 'zombie', 'skeleton', 'firemonster', 'icemonster', 'giantbat', 'ghost', 'enemysuccubus', 'demon', 'demonking', 'orc', 'darkelf', 'giantrat', 'giantspider', 'wolf', 'stonegolem'];
var currentWave = 1;
var enemiesKilled = 0;
var isPlayerTurn = true;
var gameState = 'menu'; // 'menu', 'battle' or 'gameover'
var turnCounter = 0; // Track total turns for health regeneration
var shouldSpawnBoss = false;
var currentBoss = null;
var combatCounter = 0; // Track combats for boss spawning every 10
var currentBackground = 0; // Track current background zone
var backgroundNames = ['Dungeon', 'Meadow', 'Mountain', 'City', 'Castle', 'Demon Castle', 'Sky', 'Underwater', 'Snow', 'Forest', 'Maze', 'Hot Zone', 'Space', 'White'];
var backgroundMusic = ['rockmusic', 'happymusic', 'peacefulmusic', 'happymusic', 'rockmusic', 'rockmusic', 'peacefulmusic', 'strangemusic', 'strangemusic', 'happymusic', 'rockmusic', 'strangemusic', 'peacefulmusic', 'peacefulmusic'];
var darkBackgroundMusic = ['darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic'];
var unlockedBackgrounds = storage.unlockedBackgrounds || [0]; // Start with dungeon unlocked
// Start Menu UI
var titleText = new Text2('SUCCUBUS SUMMONER', {
	size: 80,
	fill: 0xFF69B4
});
titleText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(titleText);
var startButton = new Text2('TAP TO START', {
	size: 60,
	fill: 0xFFFFFF
});
startButton.anchor.set(0.5, 0.5);
startButton.y = 200;
LK.gui.center.addChild(startButton);
var backgroundSelectText = new Text2('Background: Dungeon', {
	size: 40,
	fill: 0x4ECDC4
});
backgroundSelectText.anchor.set(0.5, 0.5);
backgroundSelectText.y = 300;
LK.gui.center.addChild(backgroundSelectText);
var backgroundChangeButton = new Text2('Change Background', {
	size: 35,
	fill: 0x45B7D1
});
backgroundChangeButton.anchor.set(0.5, 0.5);
backgroundChangeButton.y = 380;
LK.gui.center.addChild(backgroundChangeButton);
var bossWarningText = new Text2('BOSS APPROACHING!', {
	size: 60,
	fill: 0xFF0000
});
bossWarningText.anchor.set(0.5, 0.5);
bossWarningText.alpha = 0;
LK.gui.center.addChild(bossWarningText);
// UI Elements
var summonerHealthText = new Text2('Summoner HP: 120/120', {
	size: 40,
	fill: 0x00FF00
});
summonerHealthText.anchor.set(0, 0);
summonerHealthText.x = 50;
summonerHealthText.y = 100;
summonerHealthText.alpha = 0;
LK.gui.topLeft.addChild(summonerHealthText);
var succubusHealthText = new Text2('Succubus HP: 50/50 | Rank: F (0/50)', {
	size: 35,
	fill: 0xFF69B4
});
succubusHealthText.anchor.set(0, 0);
succubusHealthText.x = 50;
succubusHealthText.y = 150;
succubusHealthText.alpha = 0;
LK.gui.topLeft.addChild(succubusHealthText);
var magicText = new Text2('Magic: 0', {
	size: 40,
	fill: 0x4169E1
});
magicText.anchor.set(0, 0);
magicText.x = 50;
magicText.y = 200;
magicText.alpha = 0;
LK.gui.topLeft.addChild(magicText);
var enemyHealthText = new Text2('Enemy HP: 0/0 | Rank: F', {
	size: 35,
	fill: 0xFF0000
});
enemyHealthText.anchor.set(1, 0);
enemyHealthText.x = -50;
enemyHealthText.y = 100;
enemyHealthText.alpha = 0;
LK.gui.topRight.addChild(enemyHealthText);
var enemyNameText = new Text2('Enemy: None', {
	size: 30,
	fill: 0xFFFFFF
});
enemyNameText.anchor.set(1, 0);
enemyNameText.x = -50;
enemyNameText.y = 140;
enemyNameText.alpha = 0;
LK.gui.topRight.addChild(enemyNameText);
var turnText = new Text2('Your Turn - Choose Action:', {
	size: 50,
	fill: 0xFFFFFF
});
turnText.anchor.set(0.5, 0);
turnText.alpha = 0;
LK.gui.top.addChild(turnText);
var currentBackgroundText = new Text2('Zone: Dungeon', {
	size: 30,
	fill: 0xFFD700
});
currentBackgroundText.anchor.set(0.5, 0);
currentBackgroundText.y = 50;
LK.gui.top.addChild(currentBackgroundText);
// Action buttons
var attackButton = new Text2('1. Sword Attack (15 + Magic damage)', {
	size: 45,
	fill: 0xFF6B6B
});
attackButton.anchor.set(0.5, 0);
attackButton.x = 0;
attackButton.y = 300;
attackButton.alpha = 0;
LK.gui.center.addChild(attackButton);
var healButton = new Text2('2. Heal Succubus (Cost: 35 Summoner HP)', {
	size: 45,
	fill: 0x4ECDC4
});
healButton.anchor.set(0.5, 0);
healButton.x = 0;
healButton.y = 380;
healButton.alpha = 0;
LK.gui.center.addChild(healButton);
var defendButton = new Text2('3. Defend (Gain +10 Magic)', {
	size: 45,
	fill: 0x45B7D1
});
defendButton.anchor.set(0.5, 0);
defendButton.x = 0;
defendButton.y = 460;
defendButton.alpha = 0;
LK.gui.center.addChild(defendButton);
// Initialize characters (hidden initially)
summoner = game.addChild(new Summoner());
summoner.x = 800;
summoner.y = 1800;
summoner.alpha = 0;
succubus = game.addChild(new Succubus());
succubus.x = 1200;
succubus.y = 1800;
succubus.alpha = 0;
function spawnNewEnemy() {
	if (currentEnemy) {
		currentEnemy.destroy();
	}
	if (currentBoss) {
		currentBoss.destroy();
		currentBoss = null;
	}
	// Check for boss every 10 combats
	combatCounter++;
	if (combatCounter % 10 === 0) {
		showBossWarning();
		LK.setTimeout(spawnBoss, 2000);
		return;
	}
	// Check if we should spawn a boss
	if (shouldSpawnBoss) {
		shouldSpawnBoss = false;
		spawnBoss();
		return;
	}
	// Enemy selection based on succubus rank
	var succubusRank = succubus.rank;
	var availableEnemies = [];
	// F rank: slime, goblin, zombie, wolf
	if (succubusRank === 0) {
		availableEnemies = ['slime', 'goblin', 'zombie', 'wolf'];
	}
	// E rank: add darkelf, giantrat, giantspider
	else if (succubusRank === 1) {
		availableEnemies = ['slime', 'goblin', 'zombie', 'wolf', 'darkelf', 'giantrat', 'giantspider'];
	}
	// D+ ranks: add orc after D rank
	else if (succubusRank >= 2 && succubusRank <= 5) {
		availableEnemies = ['slime', 'goblin', 'zombie', 'wolf', 'darkelf', 'giantrat', 'giantspider', 'orc', 'skeleton', 'firemonster', 'icemonster'];
	}
	// A+ ranks: add stonegolem after A rank
	else if (succubusRank >= 5 && succubusRank <= 8) {
		availableEnemies = ['slime', 'goblin', 'zombie', 'wolf', 'darkelf', 'giantrat', 'giantspider', 'orc', 'skeleton', 'firemonster', 'icemonster', 'stonegolem', 'giantbat', 'ghost', 'enemysuccubus'];
	}
	// S to Z+ ranks: all enemies including demon and demonking
	else {
		availableEnemies = enemyTypes;
	}
	var enemyType = availableEnemies[Math.floor(Math.random() * availableEnemies.length)];
	currentEnemy = new Enemy(enemyType, succubusRank);
	// Position enemy closer to player
	currentEnemy.x = 1024;
	currentEnemy.y = 1200;
	game.addChild(currentEnemy);
	LK.getSound('enemyspawn').play();
}
function startGame() {
	gameState = 'battle';
	// Hide menu UI
	titleText.alpha = 0;
	startButton.alpha = 0;
	backgroundSelectText.alpha = 0;
	backgroundChangeButton.alpha = 0;
	// Show battle UI
	summonerHealthText.alpha = 1;
	succubusHealthText.alpha = 1;
	magicText.alpha = 1;
	enemyHealthText.alpha = 1;
	enemyNameText.alpha = 1;
	turnText.alpha = 1;
	attackButton.alpha = 1;
	healButton.alpha = 1;
	defendButton.alpha = 1;
	// Show characters
	summoner.alpha = 1;
	succubus.alpha = 1;
	// Start background music based on zone type
	var isDarkVersion = succubus.rank >= 6 && currentBackground >= 9;
	var musicToPlay;
	if (isDarkVersion) {
		musicToPlay = darkBackgroundMusic[currentBackground];
	} else {
		musicToPlay = backgroundMusic[currentBackground];
	}
	LK.playMusic(musicToPlay);
	// Spawn first enemy
	spawnNewEnemy();
	updateUI();
}
function changeBackground() {
	var nextIndex = 0;
	for (var i = 0; i < unlockedBackgrounds.length; i++) {
		if (unlockedBackgrounds[i] === currentBackground) {
			nextIndex = (i + 1) % unlockedBackgrounds.length;
			break;
		}
	}
	currentBackground = unlockedBackgrounds[nextIndex];
	var displayName = backgroundNames[currentBackground];
	// Check if this is a dark version (unlocked at S rank)
	var isDarkVersion = succubus && succubus.rank >= 6 && currentBackground >= 9;
	if (isDarkVersion) {
		displayName = 'Dark ' + displayName;
	}
	backgroundSelectText.setText('Background: ' + displayName);
	currentBackgroundText.setText('Zone: ' + displayName);
	// Update background color based on zone
	var backgroundColors = [0x2c1810, 0x4a5c2a, 0x5d4e37, 0x708090, 0x8b4513, 0x4b0000, 0x87ceeb, 0x006994, 0xf0f8ff, 0x228b22, 0x1a1a1a, 0xff4500, 0x000000, 0xffffff];
	game.setBackgroundColor(backgroundColors[currentBackground]);
	// Play appropriate music based on zone and if it's dark version
	var musicToPlay;
	if (isDarkVersion) {
		musicToPlay = darkBackgroundMusic[currentBackground];
	} else {
		musicToPlay = backgroundMusic[currentBackground];
	}
	if (gameState === 'battle') {
		LK.playMusic(musicToPlay);
	}
	// Save current background
	storage.currentBackground = currentBackground;
}
function unlockNewBackgrounds() {
	// Unlock all backgrounds when reaching S rank, including dark versions
	if (succubus.rank >= 6) {
		var allBackgrounds = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13];
		for (var i = 0; i < allBackgrounds.length; i++) {
			if (unlockedBackgrounds.indexOf(allBackgrounds[i]) === -1) {
				unlockedBackgrounds.push(allBackgrounds[i]);
			}
		}
		storage.unlockedBackgrounds = unlockedBackgrounds;
	}
}
function showBossWarning() {
	bossWarningText.alpha = 1;
	tween(bossWarningText, {
		alpha: 0
	}, {
		duration: 2000
	});
	LK.playMusic('bossmusic');
}
function updateUI() {
	summonerHealthText.setText('Summoner HP: ' + summoner.health + '/' + summoner.maxHealth);
	if (succubus.isDead) {
		succubusHealthText.setText('Succubus: DEAD (Recovery in ' + succubus.recoveryTurns + ' turns)');
	} else {
		var expNeeded = succubus.experienceToNext - succubus.experience;
		succubusHealthText.setText('Succubus HP: ' + succubus.health + '/' + succubus.maxHealth + ' | Rank: ' + succubus.getRankName() + ' (' + succubus.experience + '/' + succubus.experienceToNext + ')');
	}
	magicText.setText('Magic: ' + summoner.magic);
	if (currentEnemy) {
		enemyHealthText.setText('Enemy HP: ' + currentEnemy.health + '/' + currentEnemy.maxHealth + ' | Rank: ' + currentEnemy.getRankName());
		enemyNameText.setText('Enemy: ' + currentEnemy.getName());
	} else {
		enemyNameText.setText('Enemy: None');
	}
	if (isPlayerTurn) {
		if (succubus.isDead) {
			turnText.setText('Succubus is dead! Only defend available:');
			attackButton.alpha = 0.3;
			healButton.alpha = 0.3;
			defendButton.alpha = 1;
		} else {
			turnText.setText('Your Turn - Choose Action:');
			attackButton.alpha = summoner.health > 35 ? 1 : 0.3;
			healButton.alpha = summoner.health > 35 ? 1 : 0.3;
			defendButton.alpha = 1;
		}
	} else {
		turnText.setText('Enemy Turn...');
		attackButton.alpha = 0.3;
		healButton.alpha = 0.3;
		defendButton.alpha = 0.3;
	}
}
function playerAttack() {
	if (!isPlayerTurn || !currentEnemy || succubus.isDead) return; // Can't attack if succubus is dead
	turnCounter++;
	// Player health regeneration every 5 turns
	if (turnCounter % 5 === 0) {
		summoner.health = Math.min(summoner.maxHealth, summoner.health + 5);
		LK.effects.flashObject(summoner, 0x00ff00, 500); // Green flash for regen
	}
	var damage = succubus.baseDamage + summoner.magic;
	summoner.magic = 0; // Magic is consumed
	LK.getSound('hit').play();
	if (currentEnemy.takeDamage(damage)) {
		// Enemy died
		succubus.gainExperience(currentEnemy.experience);
		enemiesKilled++;
		LK.setScore(enemiesKilled);
		currentWave++;
		spawnNewEnemy();
	} else {
		isPlayerTurn = false;
		LK.setTimeout(enemyTurn, 1000);
	}
	updateUI();
}
function playerHeal() {
	if (!isPlayerTurn || summoner.health <= 35 || succubus.isDead) return; // Can't heal dead succubus
	turnCounter++;
	// Player health regeneration every 5 turns
	if (turnCounter % 5 === 0) {
		summoner.health = Math.min(summoner.maxHealth, summoner.health + 5);
		LK.effects.flashObject(summoner, 0x00ff00, 500); // Green flash for regen
	}
	summoner.health -= 35;
	succubus.heal(35);
	LK.getSound('levelup').play();
	isPlayerTurn = false;
	LK.setTimeout(enemyTurn, 1000);
	updateUI();
}
function playerDefend() {
	if (!isPlayerTurn) return;
	turnCounter++;
	// Player health regeneration every 5 turns
	if (turnCounter % 5 === 0) {
		summoner.health = Math.min(summoner.maxHealth, summoner.health + 5);
		LK.effects.flashObject(summoner, 0x00ff00, 500); // Green flash for regen
	}
	summoner.magic += 10;
	isPlayerTurn = false;
	LK.setTimeout(enemyTurn, 1000);
	updateUI();
}
function enemyTurn() {
	if (!currentEnemy || !succubus) return;
	// Process succubus recovery first
	succubus.processRecovery();
	var action = currentEnemy.chooseAction();
	var message = '';
	if (action === 'miss') {
		message = 'Enemy failed to act this turn!';
	} else if (action === 'attack') {
		var damage = currentEnemy.attack();
		// If succubus is dead, attack summoner instead
		if (succubus.isDead) {
			summoner.takeDamage(damage);
			message = 'Enemy attacks summoner for ' + damage + ' damage!';
		} else {
			succubus.takeDamage(damage);
			message = 'Enemy attacks succubus for ' + damage + ' damage!';
		}
	} else if (action === 'defend') {
		currentEnemy.defend();
		message = 'Enemy is defending!';
	} else if (action === 'heal') {
		var healAmount = currentEnemy.heal();
		message = 'Enemy heals for ' + healAmount + ' HP!';
	}
	// Show action message briefly
	turnText.setText(message);
	LK.setTimeout(function () {
		isPlayerTurn = true;
		updateUI();
	}, 1500);
}
// Event handlers
attackButton.down = playerAttack;
healButton.down = playerHeal;
defendButton.down = playerDefend;
startButton.down = startGame;
backgroundChangeButton.down = changeBackground;
// Load saved data
currentBackground = storage.currentBackground || 0;
backgroundSelectText.setText('Background: ' + backgroundNames[currentBackground]);
currentBackgroundText.setText('Zone: ' + backgroundNames[currentBackground]);
var backgroundColors = [0x2c1810, 0x4a5c2a, 0x5d4e37, 0x708090, 0x8b4513, 0x4b0000, 0x87ceeb, 0x006994, 0xf0f8ff, 0x228b22, 0x1a1a1a, 0xff4500, 0x000000, 0xffffff];
game.setBackgroundColor(backgroundColors[currentBackground]);
// Play menu music
LK.playMusic('menumusic');
game.update = function () {
	if (gameState === 'battle') {
		updateUI();
	}
};
function spawnBoss() {
	var succubusRank = succubus.rank;
	var bossType = '';
	// Determine boss type based on succubus rank
	if (succubusRank === 1) {
		// E rank -> Slime King
		bossType = 'slimeking';
	} else if (succubusRank === 2) {
		// D rank -> Orc King
		bossType = 'orcking';
	} else if (succubusRank === 3) {
		// C rank -> Dark Elf Lord
		bossType = 'darkelflord';
	} else if (succubusRank === 5) {
		// A rank -> Dark Golem
		bossType = 'darkgolem';
	} else if (succubusRank === 6) {
		// S rank -> Demon King
		bossType = 'demonking';
	} else if (succubusRank >= 14) {
		// Z rank -> Fallen Angel
		bossType = 'fallenangel';
	} else if (succubusRank >= 17) {
		// G rank (new rank) -> Chaos God
		bossType = 'chaosgod';
	} else {
		// For other ranks, repeat boss cycle
		var bossIndex = succubusRank % 6;
		var bossCycle = ['slimeking', 'orcking', 'darkelflord', 'darkgolem', 'demonking', 'fallenangel'];
		bossType = bossCycle[bossIndex];
	}
	currentBoss = new Boss(bossType, succubusRank);
	currentEnemy = currentBoss; // Use same reference for combat system
	currentEnemy.x = 1024;
	currentEnemy.y = 1200;
	game.addChild(currentEnemy);
	LK.getSound('enemyspawn').play();
	LK.effects.flashScreen(0xff0000, 500); // Red flash for boss spawn
}

===================================================================
--- original.js
+++ change.js
@@ -373,8 +373,13 @@
 
 /**** 
 * Game Code
 ****/ 
+// Dark/spooky music for dark versions of zones
+// Peaceful music for sky, mountain zones
+// Strange/weird music for snow, hot, underwater zones
+// Rock music for dungeon, maze, castle, demon castle zones
+// Happy/cheerful music for meadow, city, forest zones
 var summoner = null;
 var succubus = null;
 var currentEnemy = null;
 var enemyTypes = ['slime', 'goblin', 'zombie', 'skeleton', 'firemonster', 'icemonster', 'giantbat', 'ghost', 'enemysuccubus', 'demon', 'demonking', 'orc', 'darkelf', 'giantrat', 'giantspider', 'wolf', 'stonegolem'];
@@ -386,10 +391,11 @@
 var shouldSpawnBoss = false;
 var currentBoss = null;
 var combatCounter = 0; // Track combats for boss spawning every 10
 var currentBackground = 0; // Track current background zone
-var backgroundNames = ['Dungeon', 'Meadow', 'Mountain', 'City', 'Castle', 'Demon Castle', 'Sky', 'Underwater', 'Snow', 'Space', 'White'];
-var backgroundMusic = ['dungeonmusic', 'meadowmusic', 'mountainmusic', 'citymusic', 'castlemusic', 'demoncastlemusic', 'skymusic', 'underwatermusic', 'snowmusic', 'spacemusic', 'whitemusic'];
+var backgroundNames = ['Dungeon', 'Meadow', 'Mountain', 'City', 'Castle', 'Demon Castle', 'Sky', 'Underwater', 'Snow', 'Forest', 'Maze', 'Hot Zone', 'Space', 'White'];
+var backgroundMusic = ['rockmusic', 'happymusic', 'peacefulmusic', 'happymusic', 'rockmusic', 'rockmusic', 'peacefulmusic', 'strangemusic', 'strangemusic', 'happymusic', 'rockmusic', 'strangemusic', 'peacefulmusic', 'peacefulmusic'];
+var darkBackgroundMusic = ['darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic', 'darkmusic'];
 var unlockedBackgrounds = storage.unlockedBackgrounds || [0]; // Start with dungeon unlocked
 // Start Menu UI
 var titleText = new Text2('SUCCUBUS SUMMONER', {
 	size: 80,
@@ -593,10 +599,17 @@
 	defendButton.alpha = 1;
 	// Show characters
 	summoner.alpha = 1;
 	succubus.alpha = 1;
-	// Start background music
-	LK.playMusic(backgroundMusic[currentBackground]);
+	// Start background music based on zone type
+	var isDarkVersion = succubus.rank >= 6 && currentBackground >= 9;
+	var musicToPlay;
+	if (isDarkVersion) {
+		musicToPlay = darkBackgroundMusic[currentBackground];
+	} else {
+		musicToPlay = backgroundMusic[currentBackground];
+	}
+	LK.playMusic(musicToPlay);
 	// Spawn first enemy
 	spawnNewEnemy();
 	updateUI();
 }
@@ -608,20 +621,36 @@
 			break;
 		}
 	}
 	currentBackground = unlockedBackgrounds[nextIndex];
-	backgroundSelectText.setText('Background: ' + backgroundNames[currentBackground]);
-	currentBackgroundText.setText('Zone: ' + backgroundNames[currentBackground]);
+	var displayName = backgroundNames[currentBackground];
+	// Check if this is a dark version (unlocked at S rank)
+	var isDarkVersion = succubus && succubus.rank >= 6 && currentBackground >= 9;
+	if (isDarkVersion) {
+		displayName = 'Dark ' + displayName;
+	}
+	backgroundSelectText.setText('Background: ' + displayName);
+	currentBackgroundText.setText('Zone: ' + displayName);
 	// Update background color based on zone
-	var backgroundColors = [0x2c1810, 0x4a5c2a, 0x5d4e37, 0x708090, 0x8b4513, 0x4b0000, 0x87ceeb, 0x006994, 0xf0f8ff, 0x000000, 0xffffff];
+	var backgroundColors = [0x2c1810, 0x4a5c2a, 0x5d4e37, 0x708090, 0x8b4513, 0x4b0000, 0x87ceeb, 0x006994, 0xf0f8ff, 0x228b22, 0x1a1a1a, 0xff4500, 0x000000, 0xffffff];
 	game.setBackgroundColor(backgroundColors[currentBackground]);
+	// Play appropriate music based on zone and if it's dark version
+	var musicToPlay;
+	if (isDarkVersion) {
+		musicToPlay = darkBackgroundMusic[currentBackground];
+	} else {
+		musicToPlay = backgroundMusic[currentBackground];
+	}
+	if (gameState === 'battle') {
+		LK.playMusic(musicToPlay);
+	}
 	// Save current background
 	storage.currentBackground = currentBackground;
 }
 function unlockNewBackgrounds() {
-	// Unlock all backgrounds when reaching S rank
+	// Unlock all backgrounds when reaching S rank, including dark versions
 	if (succubus.rank >= 6) {
-		var allBackgrounds = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+		var allBackgrounds = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13];
 		for (var i = 0; i < allBackgrounds.length; i++) {
 			if (unlockedBackgrounds.indexOf(allBackgrounds[i]) === -1) {
 				unlockedBackgrounds.push(allBackgrounds[i]);
 			}
@@ -765,9 +794,9 @@
 // Load saved data
 currentBackground = storage.currentBackground || 0;
 backgroundSelectText.setText('Background: ' + backgroundNames[currentBackground]);
 currentBackgroundText.setText('Zone: ' + backgroundNames[currentBackground]);
-var backgroundColors = [0x2c1810, 0x4a5c2a, 0x5d4e37, 0x708090, 0x8b4513, 0x4b0000, 0x87ceeb, 0x006994, 0xf0f8ff, 0x000000, 0xffffff];
+var backgroundColors = [0x2c1810, 0x4a5c2a, 0x5d4e37, 0x708090, 0x8b4513, 0x4b0000, 0x87ceeb, 0x006994, 0xf0f8ff, 0x228b22, 0x1a1a1a, 0xff4500, 0x000000, 0xffffff];
 game.setBackgroundColor(backgroundColors[currentBackground]);
 // Play menu music
 LK.playMusic('menumusic');
 game.update = function () {