 0.033; // pixels per second (1 pixel per 30 seconds = slow realistic scroll)
        const VERTICAL_SCROLL_SPEED = 0.8; // pixels per scroll step for stations (ultra-smooth and relaxed)
        
        // Feature Flags
        const ENABLE_BACKGROUND_MUSIC = false; // Set to true to enable background music
        
        // Background Music Playlist
        const musicPlaylist = [
            '/static/music/guide-track-1.mp3',
            '/static/music/guide-track-2.mp3', 
            '/static/music/gu