.chat-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #0078ff;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease;
    z-index: 1000;
}

    .chat-button:hover {
        background-color: #005ec4;
    }

.chat-iframe {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 400px;
    height: 600px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    display: none;
    z-index: 999;
}

/* Mobile-friendly adjustments */
@media (max-width: 600px) {
    .chat-iframe {
        width: 100%;
        height: 100%;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }

    .chat-button {
        bottom: 15px;
        right: 15px;
    }
}