#az9s-chatbot {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    background: #fff;
    border: 1px solid #ddd;
    padding: 10px;
    font-family: Arial;
    z-index: 9999;
}

#az9s-messages {
    height: 200px;
    overflow-y: auto;
    margin-bottom: 10px;
}

.user { text-align: right; margin:5px; color:#333; }
.bot { text-align: left; margin:5px; color:#0073aa; }
.error { color:red; }