.music-detail-container {
    max-width: 600px;
    padding: 30px 0;
}

.back-link {
    display: inline-block;
    color: #4f46e5;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 20px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: #3730a3;
}

.music-detail-card {
    background: white;
    border-radius: 16px;
    padding: 35px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.music-detail-card h1 {
    font-size: 28px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.music-detail-card .artist {
    font-size: 16px;
    color: #333;
    margin-bottom: 20px;
}

.music-detail-card .album {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.music-detail-card .duration {
    font-size: 14px;
    color: #666;
    margin-bottom: 25px;
}

.btn-add-library {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(to right, #3b82f6, #60a5fa);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s ease, transform 0.1s ease;
}

.btn-add-library:hover {
    opacity: 0.9;
}

.btn-add-library:active {
    transform: scale(0.98);
}