// LOGIKA MUSIK
    const musicBtn = document.getElementById('musicBtn');
    const bgMusic = document.getElementById('bgMusic');
    let isMusicPlaying = false;

    musicBtn.addEventListener('click', () => {
      isMusicPlaying ? bgMusic.pause() : bgMusic.play();
      musicBtn.innerText = isMusicPlaying ? '🔇' : '🔊';
      isMusicPlaying = !isMusicPlaying;
    });

    // NAVIGATION
    function selectStage(stage) {
      window.location.href = "gameboard-" + stage + ".html";
    }

    document.getElementById("leaderboardBtn").addEventListener("click", () => {
      window.location.href = "Leaderboard.html";
    });

    document.getElementById("logoutBtn").addEventListener("click", () => {
      alert("Logout berhasil!");
    });

    // OVERLAY CREDITS
    function openCredits() {
        document.getElementById('creditsOverlay').style.display = 'flex';
    }

    function closeCredits() {
        document.getElementById('creditsOverlay').style.display = 'none';
    }