#orc-app{display:flex;height:85vh}#orc-sidebar{width:250px;background:#202123;color:white}#orc-main{flex:1;display:flex;flex-direction:column}#orc-messages{flex:1;overflow:auto;padding:10px}.msg{margin:5px;padding:10px;border-radius:8px}.user{background:#10a37f;color:white;margin-left:auto}.assistant{background:#444654;color:white}