.pn-ai-chat{
    max-width:700px;
    margin:20px auto;
    border:1px solid #ddd;
    border-radius:10px;
    background:#fff;
    padding:15px;
}

.pn-ai-chat h3{
    margin:0 0 15px;
    text-align:center;
}

.pn-chat-window{
    height:500px;
    overflow-y:auto;
    border:1px solid #ddd;
    border-radius:8px;
    padding:15px;
    background:#fafafa;
    margin-bottom:15px;
}

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

.pn-user span{
    display:inline-block;
    background:#2271b1;
    color:#fff;
    padding:10px 15px;
    border-radius:15px 15px 0 15px;
}

.pn-ai{
    text-align:left;
    margin:10px 0;
}

.pn-ai span{
    display:inline-block;
    background:#f1f1f1;
    color:#222;
    padding:10px 15px;
    border-radius:15px 15px 15px 0;
}

#pn-chat-message{
    width:100%;
    min-height:90px;
    margin-bottom:10px;
}

#pn-chat-send{
    width:100%;
}

#pn-chat-send {
    position: relative !important;
    z-index: 99999 !important;
    pointer-events: auto !important;
}