body{
    font-family: Arial, sans-serif;
    background:#f5f7fb;
    margin:0;
    padding:20px;
}

#digisto-chat{
    max-width:900px;
    margin:auto;
}

#header{
    background:#2563eb;
    color:white;
    padding:15px 20px;
    border-radius:12px 12px 0 0;
    font-size:20px;
    font-weight:bold;
}

#messages{
    background:white;
    border:1px solid #e5e7eb;
    height:600px;
    overflow-y:auto;
    padding:20px;
}

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

.message-user .bubble{
    display:inline-block;
    background:#2563eb;
    color:white;
    padding:12px 16px;
    border-radius:20px;
    max-width:70%;
}

.message-bot{
    text-align:left;
    margin:10px 0;
}

.message-bot .bubble{
    display:inline-block;
    background:#f1f5f9;
    padding:12px 16px;
    border-radius:20px;
    max-width:70%;
    white-space: pre-line;
}

#input-row{
    display:flex;
    gap:10px;
    background:white;
    padding:15px;
    border:1px solid #e5e7eb;
    border-top:none;
    border-radius:0 0 12px 12px;
}

#message{
    flex:1;
    padding:12px;
    border:1px solid #ddd;
    border-radius:8px;
}

#send-btn{
    background:#2563eb;
    color:white;
    border:none;
    border-radius:8px;
    padding:12px 20px;
    cursor:pointer;
}

#send-btn:hover{
    background:#1d4ed8;
}