#chat-bubble {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #0073aa;
    color: white;
    padding: 12px;
    border-radius: 50%;
    cursor: pointer;
}

#chat-window {
    position: fixed;
    bottom: 70px;
    right: 20px;
    width: 300px;
    background: white;
    border: 1px solid #ccc;
    display: none;
    flex-direction: column;
}

#chat-box {
    height: 200px;
    overflow-y: auto;
    padding: 10px;
}

#chat-input {
    width: 100%;
}