#aws-chatbot-toggle {
    position: fixed; bottom: 20px; right: 20px;
    background:#0073aa; color:white;
    width:55px; height:55px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    cursor:pointer; font-size:25px; z-index:99999;
}
#aws-chatbot-box {
    position:fixed; bottom:90px; right:20px;
    width:320px; height:400px; background:white;
    border-radius:10px; box-shadow:0 4px 15px rgba(0,0,0,0.2);
    display:none; flex-direction:column; overflow:hidden; z-index:99999;
}
#aws-chatbot-box.open { display:flex; }
#aws-chat-header { background:#0073aa; color:white; padding:10px; text-align:center; }
#aws-chat-messages { flex:1; padding:10px; overflow-y:auto; }
.user-msg { text-align:right; background:#e1f5fe; display:inline-block; padding:6px 10px; margin:4px; border-radius:8px; }
.bot-msg { text-align:left; background:#f1f1f1; display:inline-block; padding:6px 10px; margin:4px; border-radius:8px; }
#aws-chat-input-area { display:flex; border-top:1px solid #ddd; }
#aws-chat-input { flex:1; padding:10px; border:none; }
#aws-chat-send { padding:0 15px; border:none; background:#0073aa; color:white; cursor:pointer; }