.ai-chat-wrapper{background:#fff;border:1px solid #ddd;border-radius:12px;flex-direction:column;width:100%;max-width:800px;height:700px;margin:40px auto;display:flex;overflow:hidden}.ai-chat-header{border-bottom:1px solid #ddd;padding:16px 20px}.ai-status{margin-left:10px;font-size:13px}.ai-messages{flex:1;padding:20px;overflow-y:auto}.ai-message{white-space:pre-wrap;border-radius:10px;max-width:80%;margin-bottom:15px;padding:10px 14px}.ai-message.user{background:#eee;margin-left:auto}.ai-message.assistant{background:#f5f5f5;margin-right:auto}.ai-chat-form{border-top:1px solid #ddd;gap:10px;padding:15px;display:flex}.ai-chat-form input{border:1px solid #ccc;border-radius:8px;flex:1;padding:12px}.ai-chat-form button{cursor:pointer;border:0;border-radius:8px;padding:12px 20px}.ai-loading,.ai-error,.ai-unavailable{text-align:center;max-width:600px;margin:100px auto;padding:30px}.ai-loading-title{font-size:20px;font-weight:600}.ai-loading-message{color:#666;margin-top:10px}