.eba-chat-wrap{border:1px solid #ddd;padding:12px;border-radius:8px;max-width:720px}
.eba-messages{height:320px;overflow:auto;padding:8px;background:#fff;margin-bottom:8px;border:1px solid #eee}
.eba-msg{padding:8px;margin-bottom:8px;border-radius:6px}
.eba-user{background:#e8f0ff;text-align:right}
.eba-assistant{background:#f4f4f4;text-align:left}
.eba-input{width:100%;height:80px;padding:8px;border:1px solid #ccc;border-radius:6px;box-sizing:border-box}
.eba-send{margin-top:8px;padding:8px 16px;border:none;background:#2b6cb0;color:#fff;border-radius:6px;cursor:pointer}
.eba-error{background:#ffe6e6;color:#900}