:root{--primary-color: #007bff;--primary-hover: #0056b3;--header-bg: #2c3e50;--background-light: #f5f5f5;--background-white: #ffffff;--text-dark: #333;--text-light: #666;--border-color: #e9ecef;--border-light: #ddd;--success-color: #28a745;--danger-color: #dc3545;--warning-bg: #f8d7da;--warning-text: #721c24;--message-bg-user: #007bff;--message-bg-assistant: #f1f3f5;--border-radius: 8px;--border-radius-bubble: 18px;--border-radius-small: 4px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;color:var(--text-dark);background-color:var(--background-light);padding:20px;min-height:100vh}#root{display:flex;flex-direction:column;align-items:center;gap:20px;max-width:1200px;margin:0 auto;width:100%}.chat-container{display:flex;flex-direction:column;height:600px;max-height:80vh;width:100%;max-width:500px;background-color:var(--background-light);border-radius:var(--border-radius);box-shadow:0 2px 10px #0000001a;overflow:hidden}.chat-header{background-color:var(--header-bg);color:#fff;padding:15px;display:flex;justify-content:space-between;align-items:center}.chat-header h3{margin:0;font-size:18px;font-weight:600}.chat-messages{flex:1;overflow-y:auto;padding:20px;background-color:var(--background-white);display:flex;flex-direction:column;gap:15px}.chat-bubble{display:flex;animation:fadeIn .3s ease-in;margin-bottom:0}.chat-bubble.user-message{justify-content:flex-end}.chat-bubble.user-message .message-content{background-color:var(--message-bg-user);color:#fff;border-radius:var(--border-radius-bubble) var(--border-radius-bubble) var(--border-radius-small) var(--border-radius-bubble);max-width:70%;padding:10px 15px;word-wrap:break-word;font-size:14px}.chat-bubble.assistant-message{justify-content:flex-start;flex-direction:column;align-items:flex-start}.chat-bubble.assistant-message .message-content{background-color:var(--message-bg-assistant);color:var(--text-dark);border-radius:var(--border-radius-bubble) var(--border-radius-bubble) var(--border-radius-bubble) var(--border-radius-small);max-width:85%;padding:10px 15px;word-wrap:break-word;font-size:14px;white-space:pre-line;line-height:1.6}.chat-bubble.assistant-message .message-content strong{color:var(--header-bg);font-weight:700;padding:1px 3px;border-radius:2px}.chat-bubble.assistant-message .message-content a{color:var(--primary-color);text-decoration:none;font-weight:500;display:inline-block;margin:2px 0;padding:2px 4px;background-color:#007bff1a;border-radius:3px}.chat-bubble.assistant-message .message-content a:hover{text-decoration:underline;color:var(--primary-hover)}.chat-bubble.assistant-message .message-content pre{background-color:#2d3748;color:#e2e8f0;padding:10px;border-radius:var(--border-radius-small);overflow-x:auto;margin:10px 0}.chat-bubble.assistant-message .message-content code{background-color:#e9ecef;color:#495057;padding:2px 4px;border-radius:3px;font-family:Courier New,monospace}.chat-bubble.assistant-message .message-content pre code{background-color:transparent;color:inherit;padding:0}.message-footer{margin-top:8px}.rating-prompt{font-size:13px;color:var(--text-light)}.rating-btn{background:none;border:1px solid var(--border-light);border-radius:var(--border-radius-small);padding:7px;cursor:pointer;transition:all .2s;font-size:12px;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.rating-btn:hover{background-color:#f8f9fa}.rating-btn.positive:hover{border-color:var(--success-color);color:var(--success-color)}.rating-btn.negative:hover{border-color:var(--danger-color);color:var(--danger-color)}.rating-submitted{font-size:13px;color:var(--success-color)}.loading-spinner{display:flex;justify-content:flex-start;padding:0;margin-bottom:15px}.typing-bubble{background-color:var(--message-bg-assistant);border-radius:var(--border-radius-bubble) var(--border-radius-bubble) var(--border-radius-bubble) var(--border-radius-small);padding:15px 20px;max-width:85%;display:flex;align-items:center;gap:4px;animation:fadeIn .3s ease-in}.typing-dots{display:flex;gap:4px;align-items:center}.typing-dot{width:8px;height:8px;border-radius:50%;background-color:var(--text-light);animation:typingDot 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingDot{0%,60%,to{opacity:.3;transform:scale(.8)}30%{opacity:1;transform:scale(1)}}.chat-input{display:flex;padding:15px;background-color:var(--background-white);border-top:1px solid var(--border-color);gap:10px}.chat-input textarea{flex:1;resize:none;border:1px solid var(--border-light);border-radius:20px;padding:10px 15px;font-size:14px;outline:none;transition:border-color .2s;font-family:inherit;line-height:1.4;min-height:40px;max-height:100px}.chat-input textarea:focus{border-color:var(--primary-color)}.chat-input textarea:disabled{background-color:#f8f9fa;cursor:not-allowed}.chat-input button{background-color:var(--primary-color);color:#fff;border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s;font-size:14px}.chat-input button:hover:not(:disabled){background-color:var(--primary-hover)}.chat-input button:disabled{background-color:#6c757d;cursor:not-allowed}.error-message{background-color:var(--warning-bg);color:var(--warning-text);padding:10px 15px;border-top:1px solid #f5c6cb;font-size:14px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.user-info-container{width:100%;max-width:800px;margin:0 auto;padding:20px;border:1px solid var(--border-light);border-radius:var(--border-radius);background-color:var(--background-white);box-shadow:0 2px 5px #0000001a;box-sizing:border-box}.user-info-container button{padding:10px 20px;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius-small);cursor:pointer;font-size:14px;transition:background-color .2s;margin-bottom:15px}.user-info-container button:hover:not(:disabled){background-color:var(--primary-hover)}.user-info-container button:disabled{background-color:#6c757d;cursor:not-allowed}.user-info-container .error{color:var(--warning-text);background-color:var(--warning-bg);padding:10px;margin-top:10px;border-radius:var(--border-radius-small);border:1px solid #f5c6cb;word-wrap:break-word}.user-info-container h3{margin:15px 0 10px;color:var(--text-dark);font-size:16px}.user-info-container pre{background-color:#f8f9fa;padding:15px;border-radius:var(--border-radius-small);border:1px solid #e9ecef;font-size:12px;font-family:Courier New,monospace;overflow-x:auto;white-space:pre-wrap;word-wrap:break-word;max-width:100%;margin:0;line-height:1.4}.user-info-container>div:last-child{font-size:12px;color:var(--text-light);margin-top:15px;padding:8px;background-color:#f0f0f0;border-radius:3px;border:1px solid #ddd}@media (max-width: 768px){body{padding:10px}.chat-container{height:calc(100vh - 20px);max-height:none}.chat-messages{padding:15px}.chat-input{padding:10px}.rating-controls .feedback-input{width:180px!important;max-width:180px!important}.user-info-container{padding:15px;margin:10px}.user-info-container pre{font-size:11px;padding:10px}}@media (max-width: 450px){.rating-controls .feedback-input{width:160px!important;max-width:160px!important}}.chat-bubble .message-content{max-width:85%;word-wrap:break-word}.chat-bubble .message-content ol,.chat-bubble .message-content ul{margin:8px 0;padding-left:20px;padding-right:10px}.chat-bubble .message-content li{margin-bottom:4px;line-height:1.4;word-break:break-word}.chat-bubble .message-content ol,.chat-bubble .message-content ul{overflow-x:hidden;box-sizing:border-box}.feedback-input{resize:none!important;line-height:.93;height:30px}.feedback-input:focus{border-color:var(--primary-color)}.feedback-input:disabled{background-color:#f8f9fa;cursor:not-allowed}.rating-prompt{font-size:14px;font-weight:500}.rating-btn.positive.selected{background-color:#28a745;color:#fff;border-color:#28a745}.rating-btn.negative.selected{background-color:#dc3545;color:#fff;border-color:#dc3545}.submit-btn{background-color:var(--primary-color);color:#fff;border:none;border-radius:50%;width:33px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s;font-size:14px}.submit-btn:hover:not(:disabled){background-color:var(--primary-hover)}.submit-btn:disabled{background-color:#6c757d;cursor:not-allowed}.rating-section{margin-top:12px;padding-top:8px;border-top:1px solid #eee}.rating-controls{display:flex;gap:8px;align-items:flex-start}.rating-controls .feedback-input{width:250px!important;max-width:250px;flex:none;border-radius:20px}.rating-controls>*{flex:none}.rating-container{margin-top:12px;padding-top:8px;border-top:1px solid #e0e0e0;display:flex;flex-direction:column;align-items:flex-end}.rating-prompt{font-size:.85rem;color:#666;margin-bottom:6px}.rating-buttons{display:flex;gap:10px}.rating-button{background:none;border:1px solid #ddd;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;padding:0;font-size:1rem}.rating-button:hover{background-color:#f5f5f5;transform:scale(1.05)}.thumbs-up:hover{border-color:#4caf50}.thumbs-down:hover{border-color:#f44336}.rated{font-size:.85rem;color:#4caf50;font-style:italic}.feedback-container{width:100%;display:flex;flex-direction:column;gap:8px}.feedback-input{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px;resize:vertical;font-family:inherit}.feedback-buttons{display:flex;justify-content:flex-end;gap:8px}.feedback-submit,.feedback-cancel{padding:6px 12px;border-radius:4px;cursor:pointer;font-size:.85rem}.feedback-submit{background-color:#2196f3;color:#fff;border:none}.feedback-cancel{background-color:transparent;border:1px solid #ddd}.feedback-submit:hover{background-color:#0d8bf2}.feedback-cancel:hover{background-color:#f5f5f5}