.login-container{width:100%;max-width:400px;padding:20px}.login-card{background:#fff;border-radius:12px;padding:40px;box-shadow:0 4px 6px #0000001a}.login-card h1{font-size:28px;margin-bottom:8px;color:#333;text-align:center}.login-subtitle{color:#666;text-align:center;margin-bottom:32px;font-size:14px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#333;font-weight:500;font-size:14px}.form-group input{width:100%;padding:12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s}.form-group input:focus{outline:none;border-color:#4caf50}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.error-message{background-color:#fee;color:#c33;padding:12px;border-radius:6px;margin-bottom:16px;font-size:14px;border:1px solid #fcc}.login-button{width:100%;padding:12px;background-color:#4caf50;color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .2s}.login-button:hover:not(:disabled){background-color:#45a049}.login-button:disabled{background-color:#ccc;cursor:not-allowed}.chat-container{width:100%;max-width:900px;height:90vh;background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column;overflow:hidden}.chat-header{padding:20px 24px;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#4caf50,#45a049);color:#fff}.chat-header h1{font-size:24px;margin-bottom:4px}.chat-subtitle{font-size:13px;opacity:.9}.header-actions{display:flex;align-items:center;gap:16px}.username{font-size:14px;font-weight:500}.logout-button{padding:8px 16px;background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:6px;cursor:pointer;font-size:14px;transition:background .2s}.logout-button:hover{background:#ffffff4d}.chat-content{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column}.examples-section{margin-bottom:20px}.examples-title{font-size:14px;color:#666;margin-bottom:12px;font-weight:500}.examples-grid{display:flex;flex-direction:column;gap:8px}.example-button{padding:12px 16px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:8px;cursor:pointer;text-align:left;font-size:14px;color:#333;transition:all .2s}.example-button:hover{background:#e8f5e9;border-color:#4caf50}.messages-container{flex:1;display:flex;flex-direction:column;gap:16px}.message{display:flex;max-width:80%}.message.user{align-self:flex-end}.message.assistant{align-self:flex-start}.message-content{padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.5;word-wrap:break-word}.message.user .message-content{background:#4caf50;color:#fff;border-bottom-right-radius:4px}.message.assistant .message-content{background:#f5f5f5;color:#333;border-bottom-left-radius:4px}.message.assistant .message-content table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}.message.assistant .message-content th,.message.assistant .message-content td{border:1px solid #ddd;padding:8px 12px;text-align:left}.message.assistant .message-content th{background-color:#4caf50;color:#fff;font-weight:600}.message.assistant .message-content tr:nth-child(2n){background-color:#f9f9f9}.message.assistant .message-content tr:hover{background-color:#f0f0f0}.message.assistant .message-content a{color:#4caf50;text-decoration:none;font-weight:500}.message.assistant .message-content a:hover{text-decoration:underline}.message.assistant .message-content p{margin:8px 0}.message.assistant .message-content p:first-child{margin-top:0}.message.assistant .message-content p:last-child{margin-bottom:0}.message-content.loading{display:flex;gap:4px;padding:12px 20px}.loading-dot{animation:loading 1.4s infinite;font-size:20px}.loading-dot:nth-child(2){animation-delay:.2s}.loading-dot:nth-child(3){animation-delay:.4s}@keyframes loading{0%,60%,to{opacity:.3}30%{opacity:1}}.chat-error{padding:12px 20px;background:#fee;color:#c33;border-top:1px solid #fcc;font-size:14px}.chat-input-form{padding:20px;border-top:1px solid #e0e0e0;display:flex;gap:12px}.chat-input{flex:1;padding:12px 16px;border:1px solid #ddd;border-radius:8px;font-size:14px;transition:border-color .2s}.chat-input:focus{outline:none;border-color:#4caf50}.chat-input:disabled{background-color:#f5f5f5;cursor:not-allowed}.send-button{padding:12px 24px;background:#4caf50;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.send-button:hover:not(:disabled){background:#45a049}.send-button:disabled{background:#ccc;cursor:not-allowed}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5}#root{min-height:100vh;display:flex;align-items:center;justify-content:center}