.wac-sticky {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 99999;
}

.wac-sticky img {
    width: 32px;
    height: 32px;
}

.wac-popup {
    position: fixed;
    right: 20px;
    bottom: 95px;
    width: 260px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 6px 25px rgba(0,0,0,0.25);
    padding: 12px;
    display: none;
    z-index: 100000;
    font-family: Arial, sans-serif;
}

.wac-popup h4 {
    margin: 0 0 10px;
    font-size: 15px;
}

.wac-agent {
    background: #f5f5f5;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: background .2s;
}

.wac-agent:hover {
    background: #e0f7ea;
}