/* style.css */
#karaoke-player {
    background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
    color: #fff;
    padding: 30px;
    border-radius: 16px;
    max-width: 700px;
    margin: 20px auto;
    font-family: 'Arial', sans-serif;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

#karaoke-player::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1db954 0%, #1ed760 100%);
    z-index: 1;
}

#karaoke-player.updated {
    background: linear-gradient(135deg, #1a1a1a 0%, #222 100%);
}

#karaoke-player.song-transition {
    transform: translateY(-10px);
    opacity: 0.8;
}

.audio-visualizer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    display: flex;
    align-items: flex-end;
    gap: 2px;
    padding: 0 5px;
    z-index: 2;
}

.audio-visualizer span {
    display: inline-block;
    width: 100%;
    background: linear-gradient(to top, #1db954, #1ed760);
    transition: height 0.2s ease;
    border-radius: 2px 2px 0 0;
}

#karaoke-cover-container {
    display: flex;
    gap: 25px;
    margin-bottom: 25px;
    align-items: flex-start;
}

#karaoke-cover img {
    border-radius: 10px;
    width: 200px;
    height: 200px;
    object-fit: cover;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.5s ease;
    opacity: 0;
    transform: scale(0.95);
}

#karaoke-cover img.cover-loaded {
    transform: scale(1);
}

#artist-bio {
    flex: 1;
    padding: 20px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.7;
    overflow-y: auto;
    max-height: 200px;
    transition: all 0.5s ease;
    border-left: 3px solid #1db954;
}

#artist-bio.bio-enter {
    transform: translateX(10px);
    opacity: 0;
}

#artist-bio::-webkit-scrollbar {
    width: 6px;
}

#artist-bio::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 3px;
}

#karaoke-info {
    margin: 20px 0;
}

#karaoke-title {
    font-size: 28px;
    margin: 10px 0 5px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 0.5px;
}

#karaoke-artist {
    font-size: 20px;
    color: #bbb;
    margin: 0;
    font-weight: 500;
}

#progress-container {
    margin: 20px 0;
    width: 100%;
    background: rgba(50, 50, 50, 0.7);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

#progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #1db954 0%, #1ed760 100%);
    width: 0%;
    transition: width 0.5s linear;
    position: relative;
}

#progress-bar::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #fff;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

#progress-time {
    font-size: 14px;
    color: #aaa;
    text-align: right;
    margin-top: 8px;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

#karaoke-lyrics-container {
    position: relative;
    margin-top: 30px;
}

#karaoke-lyrics {
    padding: 25px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: 12px;
    max-height: 500px;
    overflow-y: auto;
    line-height: 1.9;
    font-size: 18px;
    white-space: pre-wrap;
    color: #eee;
    font-family: 'Arial', sans-serif;
    border-left: 4px solid #1db954;
    transition: all 0.3s ease;
}

#current-line-highlight {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(29, 185, 84, 0.3);
    color: #fff;
    padding: 15px 25px;
    font-size: 20px;
    font-weight: bold;
    border-radius: 12px 12px 0 0;
    border-left: 4px solid #1db954;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

#karaoke-lyrics::-webkit-scrollbar {
    width: 8px;
}

#karaoke-lyrics::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

.lyrics-line {
    margin-bottom: 15px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.lyrics-line.active {
    background: rgba(29, 185, 84, 0.2);
    color: #fff;
    font-weight: 600;
    opacity: 1;
    transform: scale(1.02);
    border-left: 3px solid #1db954;
}

.external-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.external-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

@media (max-width: 650px) {
    #karaoke-player {
        padding: 20px;
        max-width: 95%;
    }
    
    #karaoke-cover-container {
        flex-direction: column;
    }
    
    #karaoke-cover img {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }
    
    #artist-bio {
        max-height: 150px;
    }
    
    #karaoke-title {
        font-size: 24px;
    }
    
    #karaoke-artist {
        font-size: 18px;
    }
    
    #karaoke-lyrics {
        font-size: 16px;
        padding: 20px;
    }
    
    #current-line-highlight {
        font-size: 18px;
        padding: 10px 20px;
    }
    
    .lyrics-line {
        margin-bottom: 12px;
    }
    
    .external-link {
        font-size: 12px;
        padding: 4px 8px;
    }
}