#tiai-launcher{
    position:fixed;
    bottom:20px;
    right:20px;
    width:60px;height:60px;
    background:#007aff;
    border-radius:50%;
    cursor:pointer;
    z-index:99999;
}

#tiai-chat{
    position:fixed;
    right:20px;
    bottom:100px;
    width:360px;
    height:480px;
    background:white;
    border-radius:12px;
    box-shadow:0 6px 20px rgba(0,0,0,.2);
    display:flex;
    flex-direction:column;
    z-index:99998;
}

.tiai-hidden{display:none}

.tiai-header{
    background:#007aff;
    color:white;
    padding:10px;
    font-size:18px;
    border-radius:12px 12px 0 0;
}

.tiai-messages{
    flex:1;
    padding:10px;
    overflow-y:auto;
}

.tiai-input-row{
    display:flex;
    border-top:1px solid #ddd;
}

#tiai-input{
    flex:1;
    border:0;
    padding:10px;
}

#tiai-send{
    width:50px;
    background:#007aff;
    color:white;
    border:0;
}