.chat-popup {
    display: none;
    position: fixed;
    bottom: 15px;
    right: 15px;
    border: 3px solid #25D366;
    z-index: 9;
    background-color: #f1f1f1;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 300px;
    width: 300px;
}

.chat-container {
    padding: 10px;
}

.chat-header {
    background-color: #25D366;
    color: white;
    padding: 10px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    text-align: center;
}

.chat-body {
    padding: 10px;
    background-color: #ddd;
}

.chat-footer {
    padding: 10px;
    text-align: center;
}

.chat-btn {
    background-color: #25D366;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}