.joinchat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    font-family: Arial, sans-serif;
}

.joinchat-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #25D366;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    text-decoration: none;
}

.joinchat-button:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

.joinchat-button i {
    font-size: 32px;
}

@media (max-width: 768px) {
    .joinchat-button {
        width: 50px;
        height: 50px;
    }
    
    .joinchat-button i {
        font-size: 28px;
    }
}