alright make the full script with 10 moree power ups functioned and fix it so the boss fight is better and does not force u to stand still. and make it spawn more enemies. and fix it so u don't stand still because it breaks. and also fix it so the levels don't speed u up every new one. and add 10 new powerups and add 10 more features and functions to the games to make it better and cooler. add 10 more functions to make this game cool add new enemies to please. and make this cooler.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Advanced Adventure Game</title>
    <style>
        body, html {
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #222;
            color: #fff;
            font-family: Arial, sans-serif;
            overflow: hidden;
        }
        
        #game-container {
            position: relative;
            width: 800px;
            height: 400px;
            background-color: #333;
            overflow: hidden;
            border: 2px solid #444;
        }

        #game-world {
            position: absolute;
            width: 2400px;
            height: 100%;
            transition: transform 0.1s linear;
        }

        #player {
            position: absolute;
            bottom: 0;
            left: 50px;
            width: 30px;
            height: 30px;
            background-color: #4CAF50;
            animation: idle 1s infinite alternate;
        }

        @keyframes idle {
            from { transform: translateY(0); }
            to { transform: translateY(2px); }
        }

        .character, .boss-door, .power-up, .enemy, .obstacle, .bullet, .burst, .boss, #friend, .coin, .flying-enemy, .charging-enemy, .stealth-enemy, .split-enemy, .sniper-enemy, .regen-enemy, .explosive-enemy, .teleporter-enemy, .mourning-enemy, .velocity-enemy, .sticky-enemy, .reflective-enemy {
            position: absolute;
        }

        .character, .king, .stealth-enemy, .split-enemy, .sniper-enemy, .regen-enemy, .explosive-enemy,
        .teleporter-enemy, .mourning-enemy, .velocity-enemy, .sticky-enemy, .reflective-enemy {
            border-radius: 50%;
        }

        .coin {
            width: 15px;
            height: 15px;
            background-color: #FFD700;
            border-radius: 50%;
            animation: spin 2s linear infinite;
        }

        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .flying-enemy {
            width: 30px;
            height: 30px;
            background-color: #0099FF;
            border-radius: 50%;
            opacity: 0.9;
        }

        .charging-enemy {
            width: 40px;
            height: 40px;
            background-color: #FF5500;
            animation: charge 1s linear infinite alternate;
            border-radius: 50%;
        }

        .enemy {
            width: 25px;
            height: 25px;
            background-color: #FF5733;
        }

        .obstacle {
            width: 30px;
            height: 30px;
            background-color: #f44336;
        }

        .power-up {
            width: 20px;
            height: 20px;
        }

        .bullet {
            width: 10px;
            height: 5px;
            background-color: #FFD700;
        }

        .burst {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: rgba(255, 69, 0, 0.7);
            animation: burst 0.5s ease-out;
        }

        @keyframes burst {
            from { transform: scale(0.5); opacity: 1; }
            to { transform: scale(1.5); opacity: 0; }
        }

        .boss-door {
            width: 30px;
            height: 60px;
            background-color: #FFFF00;
        }

        .boss {
            width: 60px;
            height: 60px;
            background-color: #FF4500;
        }

        #score, #lives, #level, #timer {
            position: absolute;
            top: 10px;
            font-size: 16px;
        }

        #score { left: 10px; }
        #lives { right: 10px; }
        #level { left: 150px; }
        #timer { left: 250px; }

        #instructions, #cutscene, #level-intro, #boss-fight, #boss-hallway, #game-over, #interact-message {
            position: absolute;
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: rgba(0, 0, 0, 0.8);
            color: #fff;
            flex-direction: column;
            font-size: 18px;
            z-index: 10;
        }

        #instructions button, #cutscene button, #level-intro button, #boss-fight button, #game-over button, #boss-hallway button {
            margin-top: 10px;
            padding: 10px 20px;
            font-size: 16px;
            cursor: pointer;
            background-color: #555;
            color: #fff;
        }

        #cutscene, #level-intro, #boss-fight, #boss-hallway, #game-over, #interact-message {
            display: none;
        }

        #intro {
            position: absolute;
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: space-around;
            align-items: center;
            background-color: rgba(0, 0, 0, 0.8);
            color: #fff;
            flex-direction: row;
            font-size: 18px;
            z-index: 11;
        }

        #boss-health-bar {
            position: absolute;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 150px;
            height: 20px;
            background-color: #666;
            border: 1px solid #333;
            display: none;
        }

        #boss-health {
            height: 100%;
            width: 100%;
            background-color: #FF0000;
        }
        
        #friend {
            width: 30px;
            height: 30px;
            background-color: #00FF00;
            display: none;
        }

        #power-up-message {
            position: absolute;
            top: 50px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 24px;
            z-index: 12;
            display: none;
        }

        @keyframes flash {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .flashing {
            animation: flash 0.5s infinite;
        }

        .glow {
            box-shadow: 0 0 10px rgba(255,255,255,0.5);
        }
    </style>
</head>
<body>
    <div id="game-container">
        <div id="game-world">
            <div id="player"></div>
        </div>
        <div id="score">Score: 0</div>
        <div id="lives">Lives: 3</div>
        <div id="level">Level: 1</div>
        <div id="timer">Timer: 0</div>
        <div id="instructions">
            <p>Press Arrow Up to Jump</p>
            <p>Use Arrow Left/Right to Move</p>
            <p>Press Space to Shoot</p>
            <p>Press Z for Power-Up</p>
            <p>Press E to interact</p>
            <button onclick="startGame()">Start Game</button>
            <button onclick="togglePause()">Pause/Resume</button>
        </div>
        <div id="cutscene">
            <p>Get ready for the next level!</p>
            <button onclick="continueGame()">Continue</button>
        </div>
        <div id="level-intro">
            <p id="level-text">Level 1: Get Ready for Adventure!</p>
            <button onclick="startLevel()">Start Level</button>
        </div>
        <div id="boss-fight">
            <p>Defeat the Boss!</p>
        </div>
        <div id="game-over">
            <p>Game Over!</p>
            <button onclick="restartGame()">Restart</button>
        </div>
        <div id="intro">
            <div class="character"></div>
            <div id="dialogue">
                <p>Player: Hey friend! What a nice day for an adventure!</p>
                <button onclick="nextDialogue()">Next</button>
            </div>
            <div class="character"></div>
            <div class="king"></div>
        </div>
        <div id="boss-hallway">
            <p>You have entered the boss hallway! Prepare yourself!</p>
            <button onclick="startBossFight()">Proceed</button>
        </div>
        <div id="boss-health-bar">
            <div id="boss-health"></div>
        </div>
        <div id="power-up-message"></div>
        <div id="interact-message"></div>
        <div id="friend"></div>
    </div>

    <script>
        // Immediately Invoked Function Expression (IIFE) for game code encapsulation
        (function() {
            const gameContainer = document.getElementById('game-container');
            const gameWorld = document.getElementById('game-world');
            const player = document.getElementById('player');
            const scoreDisplay = document.getElementById('score');
            const livesDisplay = document.getElementById('lives');
            const levelDisplay = document.getElementById('level');
            const timerDisplay = document.getElementById('timer');
            const instructions = document.getElementById('instructions');
            const cutscene = document.getElementById('cutscene');
            const levelIntro = document.getElementById('level-intro');
            const levelText = document.getElementById('level-text');
            const bossFightScreen = document.getElementById('boss-fight');
            const gameOverScreen = document.getElementById('game-over');
            const intro = document.getElementById('intro');
            const dialoguePara = document.querySelector('#dialogue p');
            const bossHallway = document.getElementById('boss-hallway');
            const bossHealthBar = document.getElementById('boss-health-bar');
            const bossHealthDisplay = document.getElementById('boss-health');
            const powerUpMessage = document.getElementById('power-up-message');
            const interactMessage = document.getElementById('interact-message');
            const friend = document.getElementById('friend');

            let playerPositionX = 50;
            let playerPositionY = 0;
            let playerVelocityX = 0;
            let playerVelocityY = 0;
            const playerMaxSpeed = 5;
            const playerJumpStrength = 12;
            let jumpCount = 0;
            const maxJumps = 2;
            let isDoubleJumpEnabled = false;
            let isJumping = false;
            let isPaused = false;
            let canShoot = true;
            let gameInterval;
            let obstacles = [];
            let enemies = [];
            let bullets = [];
            let powerUps = [];
            let platforms = [];
            let bossDoors = [];
            let coins = [];
            let score = 0;
            let lives = 3;
            let level = localStorage.getItem('playerLevel') ? parseInt(localStorage.getItem('playerLevel')) : 1;
            const gravity = 0.5;
            const maxLevels = 5;
            let movingLeft = false, movingRight = false;
            let currentDirection = 1;
            let currentPowerUp = null;
            let powerUpTimer = 0;
            let gameScrollPosition = 0;
            const bossScoreThreshold = 500;
            const dialogues = [
                "Player: Hey friend! What a nice day for an adventure!",
                "Friend: Indeed! Maybe we should explore the caves.",
                "Player: What's that over there? Is it the King?",
                "King: Haha, I've found you! You're coming with me!",
                "Friend: Player, help me!"
            ];
            let dialogueIndex = 0;
            let boss = null;
            let bossHealth = 100;
            let bossShielded = true;
            let bossPowerObtained = false;
            let bossFightActive = false;

            const allPowerUpTypes = [
                "super-speed", "invincibility", "teleportation", "time-freeze", 
                "gravity-reversal", "reflective-shield", "double-shot", "extra-life", 
                "score-boost", "mega-jump", "ice", "fire", "levitate", "hypno", "shield",
                "regeneration", "ghost", "magnet", "invisibility", "freeze", "clone",
                "shockwave", "energy", "shrink", "grow", "heal", "boss-power-up",
                "triple-shot", "rapid-fire", "spike", "anti-gravity", "energy-blast",
                "light-speed", "blazing-trail", "sonic-wave", "armor", "telekinetic",
                "camouflage", "dimension-shift", "energy-drain", "mind-control",
                "hologram", "spike", "rapid-fire", "anti-gravity", "heal-over-time",
                "extended-time", "flame-aura", "electro-shield", "rock-skin", 
                "wind-dash", "time-dilation", "hydro-stream", "sonic-boom", "plasma-aura", "shadow-walk", "quake"
            ];

            window.addEventListener('keydown', handleKeydown);
            window.addEventListener('keyup', handleKeyup);

            function handleKeydown(e) {
                if (isPaused) return; // Ensure no actions are taken while paused
                switch (e.key) {
                    case 'ArrowLeft':
                        movingLeft = true;
                        currentDirection = -1;
                        break;
                    case 'ArrowRight':
                        movingRight = true;
                        currentDirection = 1;
                        break;
                    case 'ArrowUp':
                        handleJump();
                        break;
                    case ' ':
                        if (canShoot) {
                            shootBullet(currentDirection);
                            canShoot = false;
                            setTimeout(() => canShoot = true, 300);
                        }
                        break;
                    case 'z':
                    case 'Z':
                        usePowerUp();
                        break;
                    case 'e':
                    case 'E':
                        interact();
                        break;
                    case 'p':
                    case 'P':
                        togglePause();
                        break;
                }
            }

            function handleKeyup(e) {
                if (isPaused) return; // Ensure no actions are taken while paused
                switch (e.key) {
                    case 'ArrowLeft':
                        movingLeft = false;
                        break;
                    case 'ArrowRight':
                        movingRight = false;
                        break;
                }
            }

            function handleJump() {
                if (isPaused) return; // Ensure no actions are taken while paused
                if (playerPositionY <= 0 || (isDoubleJumpEnabled && jumpCount < maxJumps)) {
                    playerVelocityY = playerJumpStrength;
                    jumpCount++;
                    isJumping = true;
                }
            }

            function nextDialogue() {
                if (dialogueIndex < dialogues.length - 1) {
                    dialogueIndex++;
                    dialoguePara.textContent = dialogues[dialogueIndex];
                } else {
                    intro.style.display = 'none';
                    startGame();
                }
            }

            function shootBullet(direction) {
                if (isPaused) return; // Ensure no actions are taken while paused
                const bullet = createBullet(direction);
                bullets.push({ element: bullet, direction });
                gameWorld.appendChild(bullet);

                if ((currentPowerUp === 'double-shot') || (currentPowerUp === 'rapid-fire')) {
                    const altBullet = createBullet(direction + 1);
                    bullets.push({ element: altBullet, direction });
                    gameWorld.appendChild(altBullet);
                }

                if (currentPowerUp === 'triple-shot') {
                    const sideBullet1 = createBullet(direction + 1);
                    const sideBullet2 = createBullet(direction - 1);
                    bullets.push({ element: sideBullet1, direction });
                    bullets.push({ element: sideBullet2, direction });
                    gameWorld.appendChild(sideBullet1);
                    gameWorld.appendChild(sideBullet2);
                }
            }

            function createBullet(direction = 1) {
                const bullet = document.createElement('div');
                bullet.classList.add('bullet');
                bullet.style.backgroundColor = '#FFD700';
                bullet.style.left = (playerPositionX + player.offsetWidth / 2 - 5) + 'px';
                bullet.style.bottom = (playerPositionY + player.offsetHeight / 2) + 'px';
                return bullet;
            }

            function createBurst(x, y) {
                const burst = document.createElement('div');
                burst.classList.add('burst');
                burst.style.left = x + 'px';
                burst.style.bottom = y + 'px';
                gameWorld.appendChild(burst);
                setTimeout(() => burst.remove(), 500);
            }

            function moveCamera() {
                gameScrollPosition = Math.max(0, Math.min(gameWorld.offsetWidth - gameContainer.offsetWidth, playerPositionX - 400));
                gameWorld.style.transform = `translateX(${-gameScrollPosition}px)`;
            }

            function moveBullets() {
                bullets.forEach((bulletObj, index) => {
                    const bullet = bulletObj.element;
                    bullet.style.left = (parseInt(bullet.style.left) + (bulletObj.direction * 5)) + 'px';
                    if (parseInt(bullet.style.left) > gameScrollPosition + gameContainer.offsetWidth || parseInt(bullet.style.left) < 0) {
                        bullet.remove();
                        bullets.splice(index, 1);
                    } else {
                        enemies.forEach((enemy, enemyIndex) => {
                            if (checkCollision(bullet, enemy)) {
                                handleEnemyHit(enemy, enemyIndex);
                                bullet.remove();
                                bullets.splice(index, 1);
                            }
                        });
                        checkBossHit();
                    }
                });
            }

            function handleEnemyHit(enemy, enemyIndex) {
                if (enemy.classList.contains('explosive-enemy')) {
                    handleExplosiveEnemyHit(enemy, enemyIndex);
                } else if (enemy.classList.contains('split-enemy') && !enemy.classList.contains('split')) {
                    handleSplitterEnemyHit(enemy, enemyIndex);
                } else {
                    enemy.remove();
                    enemies.splice(enemyIndex, 1);
                    score += 10;
                    updateDisplay();
                }
            }

            function startGame() {
                gameOverScreen.style.display = 'none';
                instructions.style.display = 'none';
                resetGame();
                levelIntro.style.display = 'flex';
            }

            function startLevel() {
                levelIntro.style.display = 'none';
                gameInterval = setInterval(gameLoop, 1000 / 60);
            }

            function resetGame() {
                lives = 3;
                score = 0;
                playerPositionX = 50;
                playerPositionY = 0;
                playerVelocityX = 0;
                playerVelocityY = 0;
                isJumping = false;
                jumpCount = 0;
                isDoubleJumpEnabled = false;
                gameScrollPosition = 0;
                currentPowerUp = null;
                powerUpTimer = 0;
                clearInterval(gameInterval);
                clearAllElements();
                switchLevelBackground();
                level = parseInt(localStorage.getItem('playerLevel') || 1);
                updateDisplay();
            }

            function updateDisplay() {
                scoreDisplay.textContent = `Score: ${score}`;
                livesDisplay.textContent = `Lives: ${lives}`;
                levelDisplay.textContent = `Level: ${level}`;
                timerDisplay.textContent = `Timer: ${powerUpTimer}`;
            }

            function updatePlayerPosition() {
                if (movingLeft) {
                    playerVelocityX = -playerMaxSpeed;
                } else if (movingRight) {
                    playerVelocityX = playerMaxSpeed;
                } else {
                    playerVelocityX = 0;
                }

                playerPositionX += playerVelocityX;
                playerPositionX = Math.max(0, Math.min(gameWorld.offsetWidth - player.offsetWidth, playerPositionX));
                player.style.left = playerPositionX + 'px';

                let onPlatform = false;
                platforms.forEach(platform => {
                    if (checkCollision(player, platform) && playerVelocityY < 0) {
                        playerPositionY = parseInt(platform.style.bottom) + platform.offsetHeight;
                        playerVelocityY = 0;
                        isJumping = false;
                        jumpCount = 0;
                        onPlatform = true;
                    }
                });

                if (!onPlatform || isJumping || playerPositionY > 0) {
                    playerVelocityY -= gravity;
                    playerPositionY += playerVelocityY;
                    if (playerPositionY <= 0) {
                        playerPositionY = 0;
                        isJumping = false;
                        jumpCount = 0;
                    }
                }

                player.style.bottom = playerPositionY + 'px';
                moveCamera();
            }

            function spawnEntities() {
                if (!isPaused && !bossFightActive) {
                    if (Math.random() < 0.003) spawnObstacle();
                    if (Math.random() < 0.005) spawnEnemy();
                    if (Math.random() < 0.002 && !currentPowerUp) spawnPowerUp();
                    if (Math.random() < 0.001) spawnPlatform();
                    if (Math.random() < 0.003) spawnFlyingEnemy();
                    if (Math.random() < 0.002) spawnChargingEnemy();
                    if (Math.random() < 0.003) spawnCoin();
                    if (Math.random() < 0.002) spawnStealthEnemy();
                    if (Math.random() < 0.001) spawnSniperEnemy();
                    if (Math.random() < 0.002) spawnRegeneratingEnemy();
                    if (Math.random() < 0.001) spawnSplitterEnemy();
                    if (bossDoors.length === 0 && score >= level * bossScoreThreshold && enemies.length === 0) spawnBossDoor();
                }
            }

            function moveElements() {
                moveArray(obstacles, 2, 15);
                moveArray(enemies, 1, 30);
                moveArray(coins, 2, 0);
                moveArray(powerUps, 2, 0, true);
                moveArray(platforms, 1, 0);
                moveFlyingEnemies();
                moveChargingEnemies();
                moveStealthEnemies();
                moveBullets();
                moveNewEnemies();
            }

            function spawnObstacle() {
                const obstacle = createElement('obstacle', obstacles, gameScrollPosition + gameContainer.offsetWidth);
                obstacle.style.bottom = '0px';
            }

            function spawnEnemy() {
                const baseEnemy = createElement('enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                baseEnemy.style.bottom = '0px';

                const chance = Math.random();
                if (chance < 0.3) {
                    spawnTeleporterEnemy();
                } else if (chance < 0.6) {
                    spawnMourningEnemy();
                } else if (chance < 0.7) {
                    spawnVelocityEnemy();
                } else if (chance < 0.9) {
                    spawnStickyEnemy();
                } else {
                    spawnReflectiveEnemy();
                }
            }

            function spawnPowerUp() {
                const powerUpTypes = allPowerUpTypes;
                const type = powerUpTypes[Math.floor(Math.random() * powerUpTypes.length)];
                const powerUp = createElement('power-up', powerUps, gameScrollPosition + gameContainer.offsetWidth);
                powerUp.setAttribute('data-type', type);
                powerUp.style.backgroundColor = getPowerUpColor(type);
                powerUp.style.bottom = Math.floor(Math.random() * 100) + 'px';
            }

            function spawnCoin() {
                const coin = createElement('coin', coins, gameScrollPosition + gameContainer.offsetWidth);
                coin.style.bottom = Math.floor(Math.random() * 50 + 50) + 'px';
            }

            function getPowerUpColor(type) {
                switch (type) {
                    case 'super-speed': return 'lime';
                    case 'invincibility': return 'gold';
                    case 'teleportation': return 'violet';
                    case 'time-freeze': return 'cyan';
                    case 'gravity-reversal': return 'magenta';
                    case 'reflective-shield': return 'aqua';
                    case 'double-shot': return 'red';
                    case 'extra-life': return 'lightgreen';
                    case 'score-boost': return 'coral';
                    case 'mega-jump': return 'fuchsia';
                    case 'flame-aura': return 'orange';
                    case 'electro-shield': return 'yellow';
                    case 'rock-skin': return 'brown';
                    case 'wind-dash': return 'lightblue';
                    case 'time-dilation': return 'purple';
                    case 'hydro-stream': return 'blue';
                    case 'sonic-boom': return 'pink';
                    case 'plasma-aura': return 'white';
                    case 'shadow-walk': return 'black';
                    case 'quake': return 'darkblue';
                    default: return 'white';
                }
            }

            function spawnPlatform() {
                const platform = createElement('platform', platforms, gameScrollPosition + gameContainer.offsetWidth);
                platform.style.bottom = Math.floor(Math.random() * 200 + 100) + 'px';
            }

            function spawnBossDoor() {
                const bossDoor = createElement('boss-door', bossDoors, gameScrollPosition + gameContainer.offsetWidth + 200);
                bossDoor.style.bottom = '0px';
            }

            function createElement(className, array, leftPosition, type = '') {
                const element = document.createElement('div');
                element.classList.add(className);
                if (type) element.setAttribute('data-type', type);
                element.style.left = leftPosition + 'px';
                gameWorld.appendChild(element);
                array.push(element);
                return element;
            }

            function moveArray(array, speed, scoreValue, isPowerUp = false) {
                array.forEach((el, index) => {
                    el.style.left = (parseInt(el.style.left) - speed) + 'px';
                    if (parseInt(el.style.left) < gameScrollPosition - el.offsetWidth) {
                        removeElement(el, array, index, 0);
                    } else if (checkCollision(player, el)) {
                        handleCollision(el, array, index, scoreValue, isPowerUp);
                    }
                });
            }

            function removeElement(el, array, index, scoreValue) {
                el.remove();
                array.splice(index, 1);
                if (scoreValue) {
                    score += scoreValue;
                    updateDisplay();
                }
            }

            function handleCollision(el, array, index, scoreValue, isPowerUp = false) {
                if (el.classList.contains('coin')) {
                    score += 5;
                    updateDisplay();
                } else if (isPowerUp) {
                    applyPowerUp(el);
                } else if (el.classList.contains('boss-door') && score >= level * bossScoreThreshold) {
                    interactMessage.textContent = "Press 'E' to enter boss door.";
                    interactMessage.style.display = checkCollision(player, el) ? 'block' : 'none';
                    if (checkCollision(player, el) && playerPositionX >= parseInt(el.style.left)) {
                        openBossHallway();
                    }
                } else if (el.classList.contains('enemy') || el.classList.contains('obstacle')) {
                    reduceLives();
                }
                removeElement(el, array, index, scoreValue);
            }

            function applyPowerUp(el) {
                if (currentPowerUp || currentPowerUp === 'boss-power-up') return;

                const type = el.getAttribute('data-type');
                if (type === 'boss-power-up') {
                    grantBossPowerUp();
                } else {
                    currentPowerUp = type;
                    let duration = 10;
                    activatePowerUp(type);
                    powerUpTimer = duration;

                    const powerUpInterval = setInterval(() => {
                        powerUpTimer--;
                        if (powerUpTimer <= 0) {
                            clearInterval(powerUpInterval);
                            resetPowerUp();
                        }
                        updateDisplay();
                    }, 1000);
                }

                displayPowerUpMessage(type);
            }

            function activatePowerUp(type) {
                switch (type) {
                    case 'super-speed':
                        player.style.backgroundColor = 'lime';
                        playerMaxSpeed = 8;
                        break;
                    case 'invincibility':
                        player.style.backgroundColor = 'gold';
                        break;
                    case 'teleportation':
                        teleportPlayer();
                        break;
                    case 'time-freeze':
                        activateRegenerativeTime();
                        break;
                    case 'gravity-reversal':
                        toggleGravity();
                        break;
                    case 'reflective-shield':
                        activateReflectiveShield();
                        break;
                    case 'double-shot':
                        enableDoubleShot();
                        break;
                    case 'extra-life':
                        gainExtraLife();
                        break;
                    case 'score-boost':
                        boostScore();
                        break;
                    case 'mega-jump':
                        activateMegaJump();
                        break;
                    case 'energy-blast':
                        activateEnergyBlast();
                        break;
                    case 'light-speed':
                        activateLightSpeed();
                        break;
                    case 'blazing-trail':
                        activateBlazingTrail();
                        break;
                    case 'sonic-wave':
                        activateSonicWave();
                        break;
                    case 'armor':
                        activateArmor();
                        break;
                    case 'telekinetic':
                        activateTelekinetic();
                        break;
                    case 'camouflage':
                        activateCamouflage();
                        break;
                    case 'dimension-shift':
                        activateDimensionShift();
                        break;
                    case 'energy-drain':
                        activateEnergyDrain();
                        break;
                    case 'mind-control':
                        activateMindControl();
                        break;
                    case 'hologram':
                        activateHologram();
                        break;
                    case 'spike':
                        activateSpike();
                        break;
                    case 'rapid-fire':
                        activateRapidFire();
                        break;
                    case 'anti-gravity':
                        activateAntiGravity();
                        break;
                    case 'heal-over-time':
                        healOverTime();
                        break;
                    case 'extended-time':
                        powerUpExtension();
                        break;
                    case 'flame-aura':
                        activateFlameAura();
                        break;
                    case 'electro-shield':
                        activateElectroShield();
                        break;
                    case 'rock-skin':
                        activateRockSkin();
                        break;
                    case 'wind-dash':
                        activateWindDash();
                        break;
                    case 'time-dilation':
                        activateTimeDilation();
                        break;
                    case 'hydro-stream':
                        activateHydroStream();
                        break;
                    case 'sonic-boom':
                        activateSonicBoom();
                        break;
                    case 'plasma-aura':
                        activatePlasmaAura();
                        break;
                    case 'shadow-walk':
                        activateShadowWalk();
                        break;
                    case 'quake':
                        activateQuake();
                        break;
                    default:
                        player.style.backgroundColor = getPowerUpColor(type);
                        break;
                }
            }

            function activateRegenerativeTime() {
                // Similar logic as rewind
            }

            function resetPowerUp() {
                currentPowerUp = null;
                player.style.backgroundColor = '#4CAF50';
                playerMaxSpeed = 5;
                player.style.opacity = '1';
                isDoubleJumpEnabled = false;
                clearTimeout(timeSlowTimeout);
                resetGravity();
            }

            function displayPowerUpMessage(type) {
                powerUpMessage.textContent = `You obtained ${type.replace(/-/g, ' ')}!`;
                powerUpMessage.style.display = 'block';
                setTimeout(() => powerUpMessage.style.display = 'none', 2000);
            }

            function grantBossPowerUp() {
                bossPowerObtained = true;
                powerUpMessage.textContent = "Boss Power-Up Obtained!";
                powerUpMessage.style.display = 'block';
                setTimeout(() => powerUpMessage.style.display = 'none', 2000);
            }

            function usePowerUp() {
                if (!currentPowerUp) return;
                switch (currentPowerUp) {
                    case 'ice':
                        shootIce();
                        break;
                    case 'fire':
                        shootFire();
                        break;
                    case 'levitate':
                        useLevitate();
                        break;
                    case 'hypno':
                        shootHypno();
                        break;
                    case 'double-shot':
                        shootDouble();
                        break;
                    case 'flame-aura':
                        activateFlameAura();
                        break;
                    case 'electro-shield':
                        activateElectroShield();
                        break;
                    case 'rock-skin':
                        activateRockSkin();
                        break;
                    case 'wind-dash':
                        activateWindDash();
                        break;
                    case 'time-dilation':
                        activateTimeDilation();
                        break;
                    case 'hydro-stream':
                        activateHydroStream();
                        break;
                    case 'sonic-boom':
                        activateSonicBoom();
                        break;
                    case 'plasma-aura':
                        activatePlasmaAura();
                        break;
                    case 'shadow-walk':
                        activateShadowWalk();
                        break;
                    case 'quake':
                        activateQuake();
                        break;
                    default:
                        break;
                }
            }

            function shootIce() {
                const iceBullet = createBullet(currentDirection);
                iceBullet.style.backgroundColor = 'blue';
                gameWorld.appendChild(iceBullet);

                const iceBulletObj = { element: iceBullet, direction: currentDirection };
                animateBullet(iceBulletObj, 5, (target) => {
                    if (target.classList.contains('obstacle')) {
                        target.classList.add('frozen');
                        target.style.backgroundColor = '#00f';
                        target.style.opacity = '0.5';
                    }
                });
            }

            function shootFire() {
                const fireBullet = createBullet(currentDirection);
                fireBullet.style.backgroundColor = 'red';
                gameWorld.appendChild(fireBullet);

                const fireBulletObj = { element: fireBullet, direction: currentDirection };
                animateBullet(fireBulletObj, 5, (target) => {
                    if (target.classList.contains('obstacle')) {
                        target.style.transition = 'opacity 0.5s';
                        target.style.opacity = '0';
                        setTimeout(() => target.remove(), 500);
                    }
                });
            }

            function useLevitate() {
                player.style.transform = 'translateY(-20px)';
                const levitateUp = setTimeout(() => {
                    player.style.transform = 'translateY(0)';
                    clearTimeout(levitateUp);
                }, 1000);
            }

            function enableDoubleShot() {
                // Already managed inside `shootBullet()` method
            }

            function shootHypno() {
                const hypnoBullet = createBullet(currentDirection);
                hypnoBullet.style.backgroundColor = 'pink';
                gameWorld.appendChild(hypnoBullet);

                const hypnoBulletObj = { element: hypnoBullet, direction: currentDirection };
                animateBullet(hypnoBulletObj, 5, (target) => {
                    if (target.classList.contains('enemy') && !target.classList.contains('hypnotized')) {
                        target.classList.add('hypnotized');
                        target.style.backgroundColor = 'pink';
                        hypnotizeEnemy(target);
                    }
                });
            }

            function shootDouble() {
                // Already managed inside `shootBullet()` method
                const bullet1 = createBullet(currentDirection);
                const bullet2 = createBullet(currentDirection);
                bullets.push({ element: bullet1, direction: currentDirection });
                bullets.push({ element: bullet2, direction: currentDirection });
                gameWorld.appendChild(bullet1);
                gameWorld.appendChild(bullet2);
            }

            function hypnotizeEnemy(enemy) {
                let destroyCount = 0;
                const moveInterval = setInterval(() => {
                    let nearestEnemy = findNearestEnemyTo(enemy);
                    if (!nearestEnemy) {
                        enemy.remove();
                        clearInterval(moveInterval);
                        return;
                    }

                    let ex = parseInt(enemy.style.left);
                    let ey = parseInt(enemy.style.bottom);
                    let nex = parseInt(nearestEnemy.style.left);
                    let ney = parseInt(nearestEnemy.style.bottom);

                    let dx = nex - ex;
                    let dy = ney - ey;
                    let distance = Math.sqrt(dx * dx + dy * dy);

                    if (distance < 5) {
                        destroyCount++;
                        createBurst(nex, ney);
                        nearestEnemy.remove();
                        enemies = enemies.filter(e => e !== nearestEnemy);

                        if (destroyCount >= 3) {
                            enemy.remove();
                            clearInterval(moveInterval);
                        }
                    } else {
                        let angle = Math.atan2(dy, dx);
                        enemy.style.left = (ex + Math.cos(angle) * 2) + 'px';
                        enemy.style.bottom = (ey + Math.sin(angle) * 2) + 'px';
                    }
                }, 1000 / 60);
            }

            function findNearestEnemyTo(sourceEnemy) {
                let minDistance = Infinity;
                let closestEnemy = null;

                enemies.forEach(enemy => {
                    if (enemy !== sourceEnemy) {
                        let distance = calculateDistance(sourceEnemy, enemy);
                        if (distance < minDistance) {
                            minDistance = distance;
                            closestEnemy = enemy;
                        }
                    }
                });

                return closestEnemy;
            }

            function calculateDistance(el1, el2) {
                let el1Rect = el1.getBoundingClientRect();
                let el2Rect = el2.getBoundingClientRect();
                let dx = (el1Rect.left + el1Rect.width / 2) - (el2Rect.left + el2Rect.width / 2);
                let dy = (el1Rect.top + el1Rect.height / 2) - (el2Rect.top + el2Rect.height / 2);
                return Math.sqrt(dx * dx + dy * dy);
            }

            function enableDoubleJump(enable = true) {
                isDoubleJumpEnabled = enable;
            }

            function teleportPlayer() {
                player.style.backgroundColor = 'blueviolet';
                setTimeout(() => {
                    playerPositionX += 300 * currentDirection;
                    playerPositionX = Math.max(0, Math.min(gameWorld.offsetWidth - player.offsetWidth, playerPositionX));
                    player.style.left = playerPositionX + 'px';
                }, 500);
            }

            function toggleGravity() {
                const originalGravity = gravity;
                gravity = -gravity;
                setTimeout(() => {
                    gravity = originalGravity;
                }, 5000);
            }

            function resetGravity() {
                gravity = Math.abs(gravity);
            }

            function freezeEnemies() {
                enemies.forEach(enemy => {
                    enemy.style.transition = 'opacity 1s';
                    enemy.style.opacity = '0.2';
                    enemy.classList.add('frozen-enemy');
                });
                setTimeout(() => {
                    enemies.forEach(enemy => {
                        enemy.style.opacity = '1';
                        enemy.classList.remove('frozen-enemy');
                    });
                }, 5000);
            }

            function createClone() {
                const clone = createElement('player', [], playerPositionX + 50);
                clone.style.bottom = playerPositionY + 'px';
                clone.style.backgroundColor = '#00F';
                clone.style.border = '2px dashed #FFF';
                gameWorld.appendChild(clone);
                setTimeout(() => clone.remove(), 5000);
            }

            function triggerShockwave() {
                const shockwaveRadius = 100;
                enemies.forEach(enemy => {
                    const dist = calculateDistance(player, enemy);
                    if (dist < shockwaveRadius) {
                        createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                        enemy.remove();
                    }
                });
            }

            function absorbEnergy() {
                score += 50;
                updateDisplay();
            }

            function shrinkPlayer() {
                player.style.transform = 'scale(0.5)';
                setTimeout(() => player.style.transform = 'scale(1)', 5000);
            }

            function growPlayer() {
                player.style.transform = 'scale(1.5)';
                setTimeout(() => player.style.transform = 'scale(1)', 5000);
            }

            function healPlayer() {
                if (lives < 5) {
                    lives++;
                    updateDisplay();
                }
            }

            function activateShield() {
                player.style.border = '3px solid purple';
                player.style.opacity = '0.6';
                lives = Math.min(lives + 1, 5);
                updateDisplay();
            }

            function gainExtraLife() {
                lives = Math.min(lives + 1, 5);
                updateDisplay();
            }

            function boostScore() {
                score += 100;
                updateDisplay();
            }

            function activateMegaJump() {
                playerVelocityY = playerJumpStrength * 1.5;
                isJumping = true;
            }

            function activateReflectiveShield() {
                player.style.border = '3px dashed cyan';
                const reflectInterval = setInterval(() => {
                    bullets.forEach((bullet, index) => {
                        if (checkCollision(player, bullet.element)) {
                            bullet.direction *= -1;
                        }
                    });
                }, 1000 / 60);

                setTimeout(() => {
                    player.style.border = '';
                    clearInterval(reflectInterval);
                }, 5000);
            }

            function activateRegeneration() {
                const regenerationInterval = setInterval(() => {
                    if (lives < 5) lives++;
                    updateDisplay();
                    if (!currentPowerUp || currentPowerUp !== 'regeneration') {
                        clearInterval(regenerationInterval);
                    }
                }, 2000);
            }

            function activateMagnet() {
                const magnetInterval = setInterval(() => {
                    coins.forEach(coin => {
                        const coinX = parseInt(coin.style.left);
                        const coinY = parseInt(coin.style.bottom);
                        const dx = playerPositionX - coinX;
                        const dy = playerPositionY - coinY;
                        if (Math.sqrt(dx * dx + dy * dy) < 100) {
                            coin.style.left = (coinX + dx * 0.1) + 'px';
                            coin.style.bottom = (coinY + dy * 0.1) + 'px';
                        }
                    });

                    if (!currentPowerUp || currentPowerUp !== 'magnet') {
                        clearInterval(magnetInterval);
                    }
                }, 1000/ 60);
            }

            let timeSlowTimeout;

            function slowDownTime() {
                const originalTiming = 1000 / 60;
                clearInterval(gameInterval);
                gameInterval = setInterval(gameLoop, originalTiming * 2);
                timeSlowTimeout = setTimeout(() => {
                    clearInterval(gameInterval);
                    gameInterval = setInterval(gameLoop, originalTiming);
                }, 5000);
            }

            function activateEnergyBlast() {
                const blastRadius = 100;
                let enemiesToRemove = enemies.filter(enemy => calculateDistance(player, enemy) < blastRadius);
                enemiesToRemove.forEach(enemy => {
                    createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                    enemy.remove();
                    enemies = enemies.filter(e => e !== enemy);
                });
                updateDisplay();
            }

            function activateLightSpeed() {
                playerMaxSpeed = 20;
                setTimeout(() => playerMaxSpeed = 5, 5000);
            }

            function activateBlazingTrail() {
                const trailInterval = setInterval(() => {
                    const trail = document.createElement('div');
                    trail.className = 'bullet';
                    trail.style.left = (playerPositionX + player.offsetWidth / 2) + 'px';
                    trail.style.bottom = (playerPositionY + player.offsetHeight / 2) + 'px';
                    trail.style.backgroundColor = 'orange';
                    gameWorld.appendChild(trail);
                    setTimeout(() => trail.remove(), 500);
                }, 100);

                setTimeout(() => clearInterval(trailInterval), 5000);
            }

            function activateSonicWave() {
                const wave = document.createElement('div');
                wave.className = 'burst';
                wave.style.left = playerPositionX + 'px';
                wave.style.bottom = playerPositionY + 'px';
                wave.style.backgroundColor = 'cyan';
                wave.style.width = '100px';
                wave.style.height = '100px';
                gameWorld.appendChild(wave);
                setTimeout(() => wave.remove(), 500);
                enemies.forEach(enemy => {
                    if (calculateDistance(player, enemy) < 50) {
                        createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                        enemy.remove();
                    }
                });
            }

            function activateArmor() {
                player.style.border = '3px solid steelblue';
                lives = Math.min(lives + 3, 5);
                updateDisplay();
            }

            function activateTelekinetic() {
                const forceInterval = setInterval(() => {
                    enemies.forEach(enemy => {
                        const enemyX = parseInt(enemy.style.left);
                        const enemyY = parseInt(enemy.style.bottom);
                        const dx = playerPositionX - enemyX;
                        const dy = playerPositionY - enemyY;
                        if (Math.sqrt(dx * dx + dy * dy) < 100) {
                            enemy.style.left = (enemyX + dx * 0.1) + 'px';
                            enemy.style.bottom = (enemyY + dy * 0.1) + 'px';
                        }
                    });
                }, 1000 / 60);

                setTimeout(() => clearInterval(forceInterval), 5000);
            }

            function activateCamouflage() {
                player.style.opacity = '0.2';
                setTimeout(() => player.style.opacity = '1', 5000);
            }

            function activateDimensionShift() {
                gameWorld.style.backgroundColor = 'black';
                setTimeout(() => gameWorld.style.backgroundColor = '', 5000);
            }

            function activateEnergyDrain() {
                const drainInterval = setInterval(() => {
                    if (score > 0) {
                        score -= 1;
                        updateDisplay();
                    }
                }, 100);

                setTimeout(() => clearInterval(drainInterval), 5000);
            }

            function activateMindControl() {
                enemies.forEach(enemy => {
                    if (!enemy.classList.contains('hypnotized')) {
                        enemy.classList.add('hypnotized');
                        enemy.style.backgroundColor = 'violet';
                        hypnotizeEnemy(enemy);
                    }
                });
            }

            function activateHologram() {
                const hologram = document.createElement('div');
                hologram.className = 'player';
                hologram.style.left = (playerPositionX - 50) + 'px';
                hologram.style.bottom = playerPositionY + 'px';
                hologram.style.backgroundColor = 'rgba(0, 0, 255, 0.5)';
                gameWorld.appendChild(hologram);
                setTimeout(() => hologram.remove(), 5000);
            }

            function activateSpike() {
                player.style.border = '3px dotted red';
                const spikeInterval = setInterval(() => {
                    enemies.forEach((enemy, index) => {
                        if (calculateDistance(player, enemy) < 30) {
                            createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                            removeElement(enemy, enemies, index, 10);
                        }
                    });
                }, 500);
                
                setTimeout(() => {
                    clearInterval(spikeInterval);
                    player.style.border = '';
                }, 5000);
            }
            
            function activateRapidFire() {
                let originalShootInterval = 300;
                canShoot = true;
                setTimeout(() => {
                    canShoot = false;
                }, 5000);
            }
            
            function activateAntiGravity() {
                gravity = -0.5;
                setTimeout(() => {
                    gravity = 0.5;
                }, 5000);
            }
            
            function healOverTime() {
                const healInterval = setInterval(() => {
                    if (lives < 5) {
                        lives++;
                        updateDisplay();
                    }
                }, 1000);
            
                setTimeout(() => clearInterval(healInterval), 5000);
            }
            
            function powerUpExtension() {
                if (currentPowerUp) {
                    powerUpTimer += 5;
                }
            }

            // New power-up functions
            function activateFlameAura() {
                player.style.boxShadow = "0 0 10px red";
                const flameAura = setInterval(() => {
                    enemies.forEach((enemy, index) => {
                        if (calculateDistance(player, enemy) < 50) {
                            createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                            removeElement(enemy, enemies, index, 10);
                        }
                    });
                }, 500);

                setTimeout(() => {
                    clearInterval(flameAura);
                    player.style.boxShadow = "";
                }, 5000);
            }

            function activateElectroShield() {
                player.style.border = '4px dashed blue';
                const electroShield = setInterval(() => {
                    bullets.forEach((bullet, index) => {
                        if (calculateDistance(player, bullet.element) < 30) {
                            bullet.direction *= -1;
                        }
                    });
                }, 100);

                setTimeout(() => {
                    clearInterval(electroShield);
                    player.style.border = '';
                }, 5000);
            }

            function activateRockSkin() {
                player.style.backgroundColor = "brown";
                playerMaxSpeed /= 2;
                setTimeout(() => {
                    player.style.backgroundColor = "#4CAF50";
                    playerMaxSpeed *= 2;
                }, 5000);
            }

            function activateWindDash() {
                player.style.animation = 'wind-blow 0.5s infinite alternate';
                playerMaxSpeed *= 2;
                setTimeout(() => {
                    player.style.animation = '';
                    playerMaxSpeed /= 2;
                }, 5000);
            }

            function activateTimeDilation() {
                const originalTiming = 1000 / 60;
                clearInterval(gameInterval);
                gameInterval = setInterval(gameLoop, originalTiming * 2);
                setTimeout(() => {
                    clearInterval(gameInterval);
                    gameInterval = setInterval(gameLoop, originalTiming);
                }, 5000);
            }

            function activateHydroStream() {
                player.style.backgroundColor = 'aqua';
                playerVelocityY += 5;
                setTimeout(() => {
                    player.style.backgroundColor = '#4CAF50';
                    playerVelocityY -= 5;
                }, 5000);
            }

            function activateSonicBoom() {
                const sonicBoom = document.createElement('div');
                sonicBoom.className = 'burst';
                sonicBoom.style.left = playerPositionX + 'px';
                sonicBoom.style.bottom = playerPositionY + 'px';
                sonicBoom.style.backgroundColor = 'orange';
                gameWorld.appendChild(sonicBoom);
                setTimeout(() => sonicBoom.remove(), 500);
                const removeEnemies = enemies.filter(enemy => calculateDistance(player, enemy) < 100);
                removeEnemies.forEach(enemy => {
                    createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                    enemies = enemies.filter(e => e !== enemy);
                    enemy.remove();
                });
            }

            function activatePlasmaAura() {
                player.style.outline = '3px solid white';
                powerUps.forEach(powerUp => {
                    if (calculateDistance(player, powerUp) < 50) {
                        powerUp.style.opacity = '0';
                        setTimeout(() => powerUp.remove(), 500);
                    }
                });
                setTimeout(() => {
                    player.style.outline = '';
                }, 5000);
            }

            function activateShadowWalk() {
                player.style.opacity = '0.1';
                const shadowWalk = setInterval(() => {
                    enemies.forEach(enemy => {
                        if (calculateDistance(player, enemy) < 50) {
                            createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                            enemy.remove();
                        }
                    });
                }, 1000);
                setTimeout(() => {
                    clearInterval(shadowWalk);
                    player.style.opacity = '1';
                }, 5000);
            }

            function activateQuake() {
                const quakeInterval = setInterval(() => {
                    platforms.forEach(platform => {
                        platform.style.left = parseInt(platform.style.left) + (Math.random() - 0.5) * 2 + 'px';
                    });
                }, 100);
                setTimeout(() => clearInterval(quakeInterval), 2000);
            }

            function animateBullet(bulletObj, speed, impactCallback = () => {}) {
                const bulletInterval = setInterval(() => {
                    const bullet = bulletObj.element;
                    bullet.style.left = (parseInt(bullet.style.left) + (bulletObj.direction * speed)) + 'px';
                    if (parseInt(bullet.style.left) > gameScrollPosition + gameContainer.offsetWidth || parseInt(bullet.style.left) < 0) {
                        bullet.remove();
                        clearInterval(bulletInterval);
                    } else {
                        [...obstacles, ...enemies].forEach(target => {
                            if (checkCollision(bullet, target)) {
                                impactCallback(target);
                                createBurst(parseInt(bullet.style.left), parseInt(bullet.style.bottom));
                                bullet.remove();
                                clearInterval(bulletInterval);
                            }
                        });
                    }
                }, 1000 / 60);
            }

            function reduceLives() {
                if (player.style.border) {
                    player.style.border = '';
                    player.style.opacity = '1';
                } else {
                    lives--;
                    if (lives <= 0) endGame(false);
                }
                updateDisplay();
            }

            function checkCollision(rect1, rect2) {
                const rect1Bounds = rect1.getBoundingClientRect();
                const rect2Bounds = rect2.getBoundingClientRect();
                return !(rect1Bounds.top > rect2Bounds.bottom || rect1Bounds.bottom < rect2Bounds.top ||
                        rect1Bounds.left > rect2Bounds.right || rect1Bounds.right < rect2Bounds.left);
            }

            function togglePause() {
                if (isPaused) {
                    gameInterval = setInterval(gameLoop, 1000 / 60);
                    isPaused = false;
                } else {
                    clearInterval(gameInterval);
                    isPaused = true;
                }
            }

            function clearAllElements() {
                [obstacles, enemies, bullets.map(b => b.element), powerUps, platforms, bossDoors, coins]
                    .forEach(arr => {
                        arr.forEach(el => el.remove());
                        arr.length = 0;
                    });
            }

            function interact() {
                if (checkCollision(player, friend)) {
                    activateFriendDialogue();
                }
                bossDoors.forEach(door => {
                    if (checkCollision(player, door)) {
                        openBossHallway();
                    }
                });
            }

            function openBossHallway() {
                bossHallway.style.display = 'flex';
                clearAllElements();
                clearInterval(gameInterval);
            }

            function startBossFight() {
                bossHallway.style.display = 'none';
                triggerBossFight();
            }

            function incrementLevel() {
                level++;
                if (level > maxLevels) {
                    endGame(true);
                } else {
                    localStorage.setItem('playerLevel', level);
                    updateDisplay();
                    resetGame();
                    levelIntro.style.display = 'flex';
                    switchLevelBackground();
                    levelText.textContent = `Level ${level}: New Challenges Await!`;
                }
            }

            function switchLevelBackground() {
                const backgrounds = ['#333', '#1E90FF', '#228B22', '#E0FFFF', '#B22222'];
                gameContainer.style.backgroundColor = backgrounds[(level - 1) % backgrounds.length];
            }

            function continueGame() {
                levelIntro.style.display = 'none';
                gameInterval = setInterval(gameLoop, 1000 / 60);
            }

            function gameLoop() {
                if (!isPaused) {
                    updatePlayerPosition();
                    spawnEntities();
                    moveElements();
                    checkScoreForLevelTransition();
                }
            }

            function endGame(isWin = false) {
                clearInterval(gameInterval);
                gameOverScreen.style.display = 'flex';
                gameOverScreen.innerHTML = `<p>${isWin ? 'Congratulations! You won!' : 'Game Over!'}</p>
                <button onclick="restartGame()">Restart</button>`;
            }

            function restartGame() {
                gameOverScreen.style.display = 'none';
                resetGame();
                startLevel();
            }

            function triggerBossFight() {
                bossFightScreen.style.display = 'flex';
                setTimeout(() => {
                    bossFightScreen.style.display = 'none';
                    startBossLogic();
                }, 2000);
            }

            function startBossLogic() {
                bossFightActive = true;
                boss = createElement('boss', [], 600);
                boss.style.bottom = '100px';
                gameWorld.appendChild(boss);
                displayBossHealth();

                const bossAttackInterval = setInterval(() => {
                    if (boss) {
                        if (!bossShielded) {
                            spawnBossBullets();
                        }
                        boss.style.transform = boss.style.transform === 'scaleX(-1)' ? 'scaleX(1)' : 'scaleX(-1)'; 
                    }
                }, 1500);

                const shieldInterval = setInterval(() => {
                    bossShielded = !bossShielded;
                    boss.style.boxShadow = bossShielded ? "0 0 20px rgba(0, 0, 255, 0.5)" : ""; 

                    if (bossShielded) {
                        spawnBossEnemies();
                    }
                }, 10000);

                const bossHealthInterval = setInterval(() => {
                    if (!bossShielded) {
                        bossHealth -= 1;
                        updateBossHealth();
                    }

                    if (bossHealth <= 0) {
                        boss.remove();
                        clearInterval(bossAttackInterval);
                        clearInterval(shieldInterval);
                        clearInterval(bossHealthInterval);
                        onBossDefeated();
                    }
                }, 1000);
            }

            function displayBossHealth() {
                bossHealthBar.style.display = 'block';
                updateBossHealth();
            }

            function updateBossHealth() {
                bossHealthDisplay.style.width = `${bossHealth}%`;
            }

            function spawnBossEnemies() {
                if (bossShielded) {
                    for (let i = 0; i < 2; i++) {
                        const enemy = createElement('enemy', enemies, parseInt(boss.style.left) + (i * 50));
                        enemy.style.bottom = `${Math.random() * 250}px`;
                    }
                }
            }

            function spawnBossBullets() {
                const bullet = createBullet();
                bullet.style.left = parseInt(boss.style.left) + 'px';
                bullet.style.bottom = parseInt(boss.style.bottom) + 30 + 'px';
                bullet.style.backgroundColor = 'orange';
                gameWorld.appendChild(bullet);
                bullets.push({ element: bullet, direction: -1 });
            }

            function checkBossHit() {
                if (!boss || bossShielded) return;
                bullets.forEach((bullet, bulletIndex) => {
                    if (checkCollision(bullet.element, boss)) {
                        bossHealth -= 2;
                        updateBossHealth();
                        bullet.element.remove();
                        bullets.splice(bulletIndex, 1);
                    }
                });
            }

            function onBossDefeated() {
                bossHealthBar.style.display = 'none';
                displayMessage("Noooo");
                setTimeout(() => {
                    friend.style.left = '400px';
                    friend.style.bottom = '100px';
                    friend.style.display = 'block';
                    interactMessage.textContent = "Press 'E' to interact with your friend!";
                    interactMessage.style.display = 'block';
                }, 2000);
            }

            function activateFriendDialogue() {
                interactMessage.style.display = 'none';
                displayMessage("Thank you for saving me!");
                setTimeout(() => {
                    displayMessage("I got a secret power for you.");
                    setTimeout(() => {
                        grantBossPowerUp();
                        friend.style.display = 'none';
                    }, 3000);
                }, 2000);
            }

            function displayMessage(message) {
                powerUpMessage.textContent = message;
                powerUpMessage.style.display = 'block';
                setTimeout(() => {
                    powerUpMessage.style.display = 'none';
                }, 2000);
            }

            function checkScoreForLevelTransition() {
                if (score >= level * 1000) {
                    incrementLevel();
                }
            }

            function spawnFlyingEnemy() {
                const flyingEnemy = createElement('flying-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                flyingEnemy.style.bottom = Math.random() * 150 + 50 + 'px';
            }

            function moveFlyingEnemies() {
                enemies.forEach((enemy, index) => {
                    if(enemy.classList.contains('flying-enemy')) {
                        if (parseInt(enemy.style.left) < 0) {
                            removeElement(enemy, enemies, index, 30);
                        } else {
                            enemy.style.left = (parseInt(enemy.style.left) - 2) + 'px';
                            if (checkCollision(player, enemy)) {
                                reduceLives();
                                removeElement(enemy, enemies, index, 0);
                            }
                        }
                    }
                });
            }

            function spawnChargingEnemy() {
                const chargingEnemy = createElement('charging-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                chargingEnemy.style.bottom = '0px';
                chargingEnemy.setAttribute('data-charge', '0');
            }

            function moveChargingEnemies() {
                enemies.forEach((enemy, index) => {
                    if (enemy.classList.contains('charging-enemy')) {
                        const charge = parseInt(enemy.getAttribute('data-charge'));
                        if (charge > 60) {
                            enemy.style.left = (parseInt(enemy.style.left) - 5) + 'px';
                        } else {
                            enemy.setAttribute('data-charge', charge + 1);
                        }

                        if (parseInt(enemy.style.left) < gameScrollPosition - enemy.offsetWidth) {
                            removeElement(enemy, enemies, index, 30);
                        } else if (checkCollision(player, enemy)) {
                            reduceLives();
                            removeElement(enemy, enemies, index, 0);
                        }
                    }
                });
            }

            function spawnStealthEnemy() {
                const stealthEnemy = createElement('stealth-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                stealthEnemy.setAttribute('data-stealth', '0');
                stealthEnemy.style.backgroundColor = '#555';
                stealthEnemy.style.opacity = '1';
            }

            function moveStealthEnemies() {
                enemies.forEach(en => {
                    if (en.classList.contains('stealth-enemy')) {
                        const stealth = parseInt(en.getAttribute('data-stealth'));
                        if (stealth > 50) {
                            en.style.opacity = en.style.opacity == '0' ? '1' : '0';
                            en.setAttribute('data-stealth', '0');
                        } else {
                            en.setAttribute('data-stealth', stealth + 1);
                        }
                    }
                });
            }

            function spawnSplitterEnemy() {
                const splitter = createElement('split-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                splitter.style.bottom = '0px';
                splitter.classList.add('split');
            }

            function handleSplitterEnemyHit(enemy, enemyIndex) {
                if (!enemy.classList.contains('split')) {
                    for (let i = 0; i < 3; i++) {
                        const miniEnemy = createElement('split-enemy', enemies, parseInt(enemy.style.left) + i * 30);
                        miniEnemy.style.width = '15px';
                        miniEnemy.style.height = '15px';
                        miniEnemy.classList.remove('split');
                    }
                }
                removeElement(enemy, enemies, enemyIndex, 0);
            }

            function handleExplosiveEnemyHit(enemy, enemyIndex) {
                removeElement(enemy, enemies, enemyIndex, 0);
                enemies.forEach((otherEnemy, index) => {
                    if (calculateDistance(enemy, otherEnemy) < 50) {
                        removeElement(otherEnemy, enemies, index, 0);
                    }
                });
                createBurst(parseInt(enemy.style.left), parseInt(enemy.style.bottom));
                reduceLives();
            }

            function spawnSniperEnemy() {
                const sniper = createElement('sniper-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                sniper.style.bottom = '200px';
                const sniperInterval = setInterval(() => {
                    if (Math.random() < 0.05 && calculateDistance(player, sniper) < 300) {
                        const bullet = createBullet();
                        bullet.style.left = parseInt(sniper.style.left) + 'px';
                        bullet.style.bottom = parseInt(sniper.style.bottom) + 'px';
                        bullet.style.backgroundColor = 'red';
                        gameWorld.appendChild(bullet);
                        bullets.push({ element: bullet, direction: -1 });
                    }
                }, 1000);

                sniper.setAttribute('data-interval', sniperInterval);
            }

            function spawnRegeneratingEnemy() {
                const regenEnemy = createElement('regen-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                regenEnemy.setAttribute('data-health', '3');
                const regenInterval = setInterval(() => {
                    if (parseInt(regenEnemy.getAttribute('data-health')) < 5) {
                        regenEnemy.setAttribute('data-health', parseInt(regenEnemy.getAttribute('data-health')) + 1);
                    }
                }, 3000);

                regenEnemy.setAttribute('data-regen-interval', regenInterval);
            }

            function spawnNewInteractiveEnemies() {
                const randomFeature = Math.random();
                if (randomFeature < 0.2) {
                    spawnTeleporterEnemy();
                } else if (randomFeature < 0.4) {
                    spawnMourningEnemy();
                } else if (randomFeature < 0.6) {
                    spawnVelocityEnemy();
                } else if (randomFeature < 0.8) {
                    spawnStickyEnemy();
                } else {
                    spawnReflectiveEnemy();
                }
            }

            function moveNewEnemies() {
                moveTeleporterEnemies();
                moveMourningEnemies();
                moveVelocityEnemies();
                moveStickyEnemies();
                moveReflectiveEnemies();
            }

            // New enemies with creative features
            function spawnTeleporterEnemy() {
                const teleporterEnemy = createElement('teleporter-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                teleporterEnemy.style.backgroundColor = '#8A2BE2'; 
                teleporterEnemy.style.bottom = '0px';
                teleporterEnemy.setAttribute('data-teleport', '0');
            }

            function moveTeleporterEnemies() {
                enemies.forEach(en => {
                    if (en.classList.contains('teleporter-enemy')) {
                        const teleport = parseInt(en.getAttribute('data-teleport'));
                        if (teleport > 100) {
                            en.style.left = Math.random() * (gameWorld.offsetWidth - en.offsetWidth) + 'px';
                            en.setAttribute('data-teleport', '0');
                        } else {
                            en.setAttribute('data-teleport', teleport + 1);
                        }
                    }
                });
            }

            function spawnMourningEnemy() {
                const mourningEnemy = createElement('mourning-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                mourningEnemy.style.backgroundColor = '#708090';
                mourningEnemy.style.bottom = '0px';
            }

            function moveMourningEnemies() {
                enemies.forEach(en => {
                    if (en.classList.contains('mourning-enemy')) {
                        if (Math.random() < 0.01) {
                            en.style.opacity = en.style.opacity === '0.5' ? '1' : '0.5'; 
                        }

                        if (parseInt(en.style.left) < gameScrollPosition - en.offsetWidth) {
                            removeElement(en, enemies, 0, 30);
                        } else if (checkCollision(player, en)) {
                            reduceLives();
                            removeElement(en, enemies, 0, 0);
                        }
                    }
                });
            }

            function spawnVelocityEnemy() {
                const velocityEnemy = createElement('velocity-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                velocityEnemy.style.backgroundColor = '#FF4500'; 
                velocityEnemy.style.bottom = Math.random() * 150 + 'px';
                velocityEnemy.setAttribute('data-speed', '2');
            }

            function moveVelocityEnemies() {
                enemies.forEach(en => {
                    if (en.classList.contains('velocity-enemy')) {
                        const speed = parseInt(en.getAttribute('data-speed'));
                        en.style.left = (parseInt(en.style.left) - speed) + 'px';
                        en.style.bottom = (parseInt(en.style.bottom) + (Math.random() - 0.5) * 10) + 'px';
                        if (parseInt(en.style.left) < gameScrollPosition - en.offsetWidth) {
                            removeElement(en, enemies, 0, 30);
                        } else if (checkCollision(player, en)) {
                            reduceLives();
                            removeElement(en, enemies, 0, 0);
                        }
                    }
                });
            }

            function spawnStickyEnemy() {
                const stickyEnemy = createElement('sticky-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                stickyEnemy.style.backgroundColor = '#FFD700'; 
                stickyEnemy.style.bottom = '0px';
            }

            function moveStickyEnemies() {
                enemies.forEach(en => {
                    if (en.classList.contains('sticky-enemy')) {
                        en.style.left = (parseInt(en.style.left) - 1) + 'px';
                        if (checkCollision(player, en)) {
                            player.style.backgroundColor = '#FFD700';
                            setTimeout(() => player.style.backgroundColor = '#4CAF50', 2000);
                            removeElement(en, enemies, 0, 0);
                        }
                    }
                });
            }

            function spawnReflectiveEnemy() {
                const reflectiveEnemy = createElement('reflective-enemy', enemies, gameScrollPosition + gameContainer.offsetWidth);
                reflectiveEnemy.style.backgroundColor = '#20B2AA'; 
                reflectiveEnemy.style.bottom = Math.random() * 150 + 'px';
            }

            function moveReflectiveEnemies() {
                enemies.forEach((en, index) => {
                    if (en.classList.contains('reflective-enemy')) {
                        en.style.left = (parseInt(en.style.left) - 1) + 'px';
                        bullets.forEach((bullet, bulletIndex) => {
                            if (checkCollision(bullet.element, en)) {
                                bullet.direction *= -1;
                            }
                        });
                        if (checkCollision(player, en)) {
                            reduceLives();
                            removeElement(en, enemies, index, 0);
                        }
                    }
                });
            }
        })();
    </script>
</body>
</html>