*{box-sizing:border-box;margin:0;padding:0}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-weight:400;line-height:1.5}body{min-height:100vh;margin:0}#root{width:100%;min-height:100vh}button,input,textarea{font-family:inherit}.onboarding-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.onboarding-card{background:#fff;border-radius:12px;width:100%;max-width:500px;padding:40px;animation:.3s ease-out slideUp;box-shadow:0 20px 60px #0000004d}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.logo-container{justify-content:center;margin-bottom:30px;display:flex}.onboarding-logo{width:auto;height:50px}.onboarding-step{animation:.3s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.onboarding-header{text-align:center;margin-bottom:30px}.onboarding-header h2{color:#1a202c;margin:0 0 10px;font-size:24px;font-weight:600}.onboarding-subtitle{color:#718096;margin:0;font-size:14px}.onboarding-choices{flex-direction:column;gap:12px;display:flex}.choice-button{cursor:pointer;text-align:left;background:#fff;border:2px solid #e2e8f0;border-radius:8px;align-items:center;gap:16px;padding:16px;font-size:14px;transition:all .2s;display:flex}.choice-button:hover:not(:disabled){background:#f7fafc;border-color:#667eea;transform:translate(4px)}.choice-button:disabled{opacity:.6;cursor:not-allowed}.choice-icon{flex-shrink:0;font-size:32px}.choice-content h3{color:#1a202c;margin:0 0 4px;font-size:16px;font-weight:600}.choice-content p{color:#718096;margin:0;font-size:13px}.onboarding-form{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:#2d3748;font-size:14px;font-weight:500}.form-group input[type=text],.form-group input[type=email],.form-group select{border:1px solid #cbd5e0;border-radius:6px;padding:10px 12px;font-family:inherit;font-size:14px;transition:border-color .2s}.form-group input[type=text]:focus,.form-group input[type=email]:focus,.form-group select:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 3px #667eea1a}.form-group input[type=text].error,.form-group input[type=email].error,.form-group select.error{border-color:#f56565}.form-group input:disabled,.form-group select:disabled{cursor:not-allowed;background-color:#f7fafc}.checkbox-group{gap:12px}.checkbox-group label{cursor:pointer;align-items:center;gap:8px;font-weight:400;display:flex}.checkbox-group input[type=checkbox]{cursor:pointer;accent-color:#667eea;width:18px;height:18px}.error-message{color:#f56565;margin-top:2px;font-size:12px}.form-actions{gap:12px;margin-top:10px;display:flex}.button-primary,.button-secondary{cursor:pointer;border:none;border-radius:6px;flex:1;padding:12px 16px;font-size:14px;font-weight:600;transition:all .2s}.button-primary{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.button-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 16px #667eea4d}.button-primary:disabled{opacity:.6;cursor:not-allowed}.button-secondary{color:#2d3748;background:#f7fafc;border:1px solid #cbd5e0}.button-secondary:hover:not(:disabled){background:#edf2f7}.button-secondary:disabled{opacity:.6;cursor:not-allowed}.onboarding-loading{flex-direction:column;align-items:center;gap:20px;padding:40px 20px;display:flex}.loading-spinner{border:4px solid #e2e8f0;border-top-color:#667eea;border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{background:#fff5f5;border:1px solid #feb2b2;border-radius:6px;margin-top:20px;padding:12px 16px}.error-banner p{color:#c53030;margin:0;font-size:13px}@media (width<=600px){.onboarding-card{padding:24px}.onboarding-header h2{font-size:20px}.choice-button{gap:12px;padding:12px}.choice-icon{font-size:24px}.choice-content h3{font-size:14px}.choice-content p{font-size:12px}}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fafafa;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.auth-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{text-align:center;background:#fff;border-radius:16px;width:100%;max-width:440px;padding:48px 40px;box-shadow:0 20px 60px #00000026}.logo-container{margin-bottom:32px}.auth-logo{object-fit:contain;width:auto;height:64px}.auth-title{color:#1a1a1a;letter-spacing:-.5px;margin:0 0 8px;font-size:28px;font-weight:600}.auth-subtitle{color:#6b7280;margin:0 0 32px;font-size:16px}.auth-button{color:#fff;cursor:pointer;background:#1a1a1a;border:none;border-radius:10px;justify-content:center;align-items:center;gap:12px;width:100%;padding:14px 24px;font-size:15px;font-weight:500;transition:all .2s;display:flex}.auth-button:hover{background:#2d2d2d;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.auth-button:active{transform:translateY(0)}.auth-button-icon{width:20px;height:20px}.loading-spinner{border:3px solid #f3f4f6;border-top-color:#667eea;border-radius:50%;width:40px;height:40px;margin:0 auto 16px;animation:.8s linear infinite spin}.loading-text{color:#6b7280;margin:0;font-size:15px}.error-message{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;margin-top:20px;padding:12px 16px;font-size:14px}.app-container{background:#fafafa;height:100vh;display:flex;overflow:hidden}.sidebar{background:#fff;border-right:1px solid #e5e7eb;flex-direction:column;flex-shrink:0;width:280px;display:flex}.sidebar-header{border-bottom:1px solid #f3f4f6;padding:20px}.sidebar-logo{object-fit:contain;width:auto;height:40px;margin-bottom:20px}.new-chat-button{color:#fff;cursor:pointer;background:#1a1a1a;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.new-chat-button:hover{background:#2d2d2d;transform:translateY(-1px)}.new-chat-button:active{transform:translateY(0)}.button-icon{width:18px;height:18px}.session-list{flex:1;padding:12px;overflow-y:auto}.session-list::-webkit-scrollbar{width:6px}.session-list::-webkit-scrollbar-track{background:0 0}.session-list::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.session-list::-webkit-scrollbar-thumb:hover{background:#9ca3af}.empty-text{color:#9ca3af;text-align:center;margin:0;padding:20px;font-size:14px}.session-item{border-radius:10px;align-items:center;gap:8px;margin-bottom:4px;padding:4px;transition:background .15s;display:flex}.session-item:hover{background:#f9fafb}.session-item.active{background:#f3f4f6}.session-button{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;flex:1;align-items:center;gap:10px;min-width:0;padding:10px 12px;transition:all .15s;display:flex}.session-icon{color:#6b7280;flex-shrink:0;width:16px;height:16px}.session-title{color:#374151;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:14px;overflow:hidden}.session-item.active .session-title{color:#1a1a1a;font-weight:500}.delete-button{cursor:pointer;opacity:0;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;padding:0;transition:all .15s;display:flex}.delete-button svg{color:#6b7280;width:16px;height:16px}.session-item:hover .delete-button{opacity:1}.delete-button:hover{background:#fef2f2}.delete-button:hover svg{color:#dc2626}.sidebar-footer{border-top:1px solid #f3f4f6;align-items:center;gap:12px;padding:16px;display:flex}.user-info{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.user-avatar{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex}.user-details{flex:1;min-width:0}.user-email{color:#374151;white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.logout-button{cursor:pointer;background:0 0;border:1px solid #e5e7eb;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;padding:0;transition:all .15s;display:flex}.logout-button svg{color:#6b7280;width:18px;height:18px}.logout-button:hover{background:#f9fafb;border-color:#d1d5db}.logout-button:hover svg{color:#374151}.chat-area{background:#fafafa;flex-direction:column;flex:1;display:flex;overflow:hidden}.messages-container{flex-direction:column;flex:1;gap:24px;padding:32px 24px;display:flex;overflow-y:auto}.messages-container::-webkit-scrollbar{width:8px}.messages-container::-webkit-scrollbar-track{background:0 0}.messages-container::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}.messages-container::-webkit-scrollbar-thumb:hover{background:#9ca3af}.message{gap:16px;width:100%;max-width:800px;margin:0 auto;animation:.3s fadeIn;display:flex}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex}.message.user .message-avatar{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.message.assistant .message-avatar{color:#6b7280;background:#f3f4f6}.message.assistant .message-avatar svg{width:18px;height:18px}.message-content{flex:1;min-width:0}.message-role{color:#6b7280;margin-bottom:6px;font-size:13px;font-weight:600}.message-text{color:#1a1a1a;white-space:pre-wrap;word-wrap:break-word;font-size:15px;line-height:1.6}.typing-indicator{gap:4px;padding:8px 0;display:flex}.typing-indicator span{background:#9ca3af;border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite bounce}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{opacity:.5;transform:scale(0)}40%{opacity:1;transform:scale(1)}}.input-container{background:#fafafa;border-top:1px solid #e5e7eb;padding:20px 24px 24px}.error-banner{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-bottom:12px;padding:12px 16px;font-size:14px;animation:.3s slideDown}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.input-wrapper{background:#fff;border:1px solid #e5e7eb;border-radius:12px;align-items:flex-end;gap:12px;max-width:800px;margin:0 auto;padding:12px 16px;transition:all .2s;display:flex}.input-wrapper:focus-within{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.chat-input{color:#1a1a1a;resize:none;border:none;outline:none;flex:1;min-height:24px;max-height:200px;font-family:inherit;font-size:15px;line-height:1.5}.chat-input::placeholder{color:#9ca3af}.chat-input:disabled{opacity:.5;cursor:not-allowed}.send-button{cursor:pointer;background:#1a1a1a;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;padding:0;transition:all .2s;display:flex}.send-button svg{color:#fff;width:18px;height:18px}.send-button:hover:not(:disabled){background:#2d2d2d;transform:translateY(-1px)}.send-button:active:not(:disabled){transform:translateY(0)}.send-button:disabled{opacity:.4;cursor:not-allowed}@media (width<=768px){.sidebar{z-index:100;transition:left .3s;position:fixed;top:0;bottom:0;left:-280px}.sidebar.open{left:0}.messages-container{padding:20px 16px}.input-container{padding:16px}.message{gap:12px}.message-avatar{width:32px;height:32px;font-size:13px}.auth-card{padding:32px 24px}.auth-logo{height:48px}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}