.msa-ai-chat{border:1px solid #ddd;border-radius:8px;width:100%;max-width:100%;font-family:Arial,Helvetica,sans-serif; margin: 20px auto 36px;}
.msa-chat-header{background:#1d2959;color:#fff;padding:10px;border-radius:8px 8px 0 0}
.msa-chat-body{padding:10px;height:220px;overflow:auto;background:#fff}
.msa-chat-footer{display:flex;border-top:1px solid #eee}
#msa-chat-input{flex:1;padding:8px;border:none}
#msa-chat-send{padding:8px;border:none;background:#1d2959;color:#fff}
.msa-message.user{ text-align:right; margin:8px 0;}
.msa-message.bot{ text-align:left; margin:8px 0;}
.msa-message .bubble{display:inline-block;padding:7px 12px;border-radius:16px;max-width:80%}
.msa-message.user .bubble{background:#e6f7ff}
.msa-message.bot .bubble{background:#f1f1f1}