#ai-chat-button{
    position:fixed;
    right:20px;
    bottom:20px;
    width:60px;
    height:60px;
    border-radius:50%;
    background:#007bff;
    color:#fff;
    cursor:pointer;
    font-size:28px;
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:99999;
}

#ai-chat-box{
    position:fixed;
    right:20px;
    bottom:90px;
    width:350px;
    height:500px;
    background:#fff;
    border:1px solid #ccc;
    display:none;
    z-index:99999;
}

#ai-chat-header{
    background:#007bff;
    color:white;
    padding:10px;
    font-weight:bold;
}

#ai-chat-messages{
    height:360px;
    overflow-y:auto;
    padding:10px;
}

#ai-chat-footer{
    padding:10px;
    border-top:1px solid #ddd;
}

#ai-question{
    width:100%;
    box-sizing:border-box;
    padding:8px;
}

.ai-user{
    margin:10px 0;
    text-align:right;
}

.ai-bot{
    margin:10px 0;
}

.ai-loading{
    color:#666;
    font-style:italic;
}