.whatsapp-widget {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 9999;
    font-family: Arial, sans-serif;
}
.whatsapp-btn {
    background-color: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.whatsapp-btn img { width: 35px; height: 35px; }
.whatsapp-popup {
    display: none;
    position: absolute;
    bottom: 70px;
    left: 0;
    width: 250px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    overflow: hidden;
}
.whatsapp-popup-header {
    background: #25D366;
    color: white;
    padding: 12px;
    font-weight: bold;
}
.whatsapp-popup ul { list-style: none; margin: 0; padding: 0; }
.whatsapp-popup ul li {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    transition: background 0.3s;
}
.whatsapp-popup ul li:hover { background: #f1f1f1; }
.whatsapp-popup ul li img { width: 30px; margin-right: 10px; }