.koel-duet-badge {
    display: inline-block;
    padding: 2px 6px;
    margin-left: 6px;
    background: #7a3cff;  /* Purple */
    color: #fff;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}