:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.auth-container{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:#fff;border-radius:16px;padding:40px;box-shadow:0 20px 60px #0000004d;width:100%;max-width:450px}.auth-card h2{margin:0 0 8px;color:#1f2937;font-size:2rem;text-align:center}.auth-subtitle{color:#6b7280;text-align:center;margin:0 0 32px;font-size:.95rem}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{color:#374151;font-weight:500;font-size:.9rem}.form-group input{padding:12px 16px;border:2px solid #e5e7eb;border-radius:8px;font-size:1rem;transition:all .3s;outline:none}.form-group input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background:#f3f4f6;cursor:not-allowed}.auth-error{background:#fee2e2;color:#991b1b;padding:12px 16px;border-radius:8px;font-size:.9rem;border:1px solid #fecaca}.auth-button{padding:14px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;margin-top:8px}.auth-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-footer{margin-top:24px;text-align:center;color:#6b7280;font-size:.9rem}.auth-link{background:none;border:none;color:#667eea;font-weight:600;cursor:pointer;text-decoration:none;padding:0;font-size:inherit}.auth-link:hover{text-decoration:underline;color:#764ba2}.auth-divider{display:flex;align-items:center;text-align:center;margin:24px 0;color:#9ca3af;font-size:.875rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-bottom:1px solid #e5e7eb}.auth-divider span{padding:0 16px;font-weight:500}.google-button{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 16px;background:#fff;color:#3c4043;border:2px solid #dadce0;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s;margin-bottom:16px}.google-button:hover:not(:disabled){background:#f8f9fa;border-color:#d2d3d4;box-shadow:0 1px 3px #3c40434d}.google-button:disabled{opacity:.6;cursor:not-allowed}.google-button svg{width:18px;height:18px}@media(max-width:480px){.auth-card{padding:30px 20px}.auth-card h2{font-size:1.5rem}}.chat-container{display:flex;height:80vh;max-width:1400px;margin:0 auto;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px #0000001a;background:#fff}.chat-sidebar{width:300px;background:linear-gradient(180deg,#667eea,#764ba2);color:#fff;display:flex;flex-direction:column;border-right:1px solid rgba(255,255,255,.1)}.sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.2)}.sidebar-header h2{margin:0 0 15px;font-size:1.5rem;font-weight:600}.new-chat-btn{width:100%;padding:12px;background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .3s}.new-chat-btn:hover:not(:disabled){background:#ffffff4d;transform:translateY(-2px)}.new-chat-btn:disabled{opacity:.5;cursor:not-allowed}.conversations-list{flex:1;overflow-y:auto;padding:10px}.no-conversations{text-align:center;padding:20px;color:#ffffffb3;font-style:italic}.conversation-item{padding:12px;margin-bottom:8px;background:#ffffff1a;border-radius:8px;cursor:pointer;transition:all .3s;position:relative}.conversation-item:hover{background:#fff3;transform:translate(4px)}.conversation-item.active{background:#ffffff40;border-left:4px solid #fff}.conversation-title{font-weight:500;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-meta{font-size:.85rem;color:#fffc}.delete-btn{position:absolute;top:8px;right:8px;background:#ff00004d;border:none;padding:4px 8px;border-radius:4px;cursor:pointer;opacity:0;transition:opacity .3s}.conversation-item:hover .delete-btn{opacity:1}.delete-btn:hover{background:#ff000080}.chat-main{flex:1;display:flex;flex-direction:column;background:#f9fafb}.chat-empty{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#6b7280;padding:40px;gap:20px}.chat-empty h2{margin:0;color:#374151;font-size:2rem}.chat-empty p{margin:0;color:#9ca3af;font-size:1.1rem}.create-chat-btn{margin-top:20px;padding:16px 32px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;cursor:pointer;font-size:1.1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 12px #667eea4d}.create-chat-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.create-chat-btn:disabled{opacity:.6;cursor:not-allowed}.messages-container{flex:1;overflow-y:auto;padding:20px;background:#f9fafb}.no-messages{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;color:#9ca3af;text-align:center;gap:10px}.message{margin-bottom:20px;padding:16px;border-radius:12px;max-width:80%;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;margin-left:auto}.message.assistant{background:#fff;color:#374151;margin-right:auto;border:1px solid #e5e7eb}.message-role{font-weight:600;margin-bottom:8px;font-size:.9rem;opacity:.9}.message-content{line-height:1.6;word-wrap:break-word;text-align:left}.message-content p{margin:0 0 12px}.message-content p:last-child{margin-bottom:0}.message-content h1,.message-content h2,.message-content h3,.message-content h4,.message-content h5,.message-content h6{margin:16px 0 8px;font-weight:600}.message-content h1:first-child,.message-content h2:first-child,.message-content h3:first-child,.message-content h4:first-child,.message-content h5:first-child,.message-content h6:first-child{margin-top:0}.message-content ul,.message-content ol{margin:8px 0;padding-left:24px}.message-content li{margin:4px 0}.message-content code{background:#0000000d;padding:2px 6px;border-radius:4px;font-family:Courier New,monospace;font-size:.9em}.message.user .message-content code{background:#fff3}.message-content pre{background:#0000000d;padding:12px;border-radius:8px;overflow-x:auto;margin:12px 0}.message.user .message-content pre{background:#fff3}.message-content pre code{background:none;padding:0}.message-content blockquote{border-left:4px solid rgba(0,0,0,.1);padding-left:12px;margin:12px 0;font-style:italic}.message.user .message-content blockquote{border-left-color:#ffffff4d}.message-content strong{font-weight:600}.message-content em{font-style:italic}.message-content a{color:inherit;text-decoration:underline}.message-content hr{border:none;border-top:1px solid rgba(0,0,0,.1);margin:16px 0}.message.user .message-content hr{border-top-color:#ffffff4d}.message-time{font-size:.75rem;margin-top:8px;opacity:.7}.message-form{padding:20px;background:#fff;border-top:1px solid #e5e7eb}.error-message{background:#fee2e2;color:#991b1b;padding:12px;border-radius:8px;margin-bottom:12px;font-size:.9rem}.input-container{display:flex;gap:12px}.message-input{flex:1;padding:14px 18px;border:2px solid #e5e7eb;border-radius:24px;font-size:1rem;outline:none;transition:border-color .3s}.message-input:focus{border-color:#667eea}.message-input:disabled{background:#f3f4f6;cursor:not-allowed}.send-btn{padding:14px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:24px;cursor:pointer;font-size:1.2rem;transition:all .3s;min-width:60px}.send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.send-btn:disabled{opacity:.5;cursor:not-allowed}.conversations-list::-webkit-scrollbar,.messages-container::-webkit-scrollbar{width:8px}.conversations-list::-webkit-scrollbar-track{background:#ffffff1a}.conversations-list::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:4px}.messages-container::-webkit-scrollbar-track{background:#f3f4f6}.messages-container::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}@media(max-width:768px){.chat-container{flex-direction:column;height:90vh}.chat-sidebar{width:100%;max-height:200px}.message{max-width:90%}}