: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}}.chat-sidebar{width:260px;background:#f7f7f8;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;padding:12px}.user-info{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;margin-bottom:12px;background:#fff;border-radius:8px;border:1px solid #e0e0e0}.user-email{font-size:13px;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;margin-right:8px}.logout-button{padding:6px 12px;background:transparent;color:#666;border:1px solid #ddd;border-radius:4px;font-size:12px;cursor:pointer;white-space:nowrap}.logout-button:hover{background:#f0f0f0;color:#333}.new-chat-button{padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;margin-bottom:16px}.new-chat-button:hover{opacity:.9}.chat-list{flex:1;overflow-y:auto}.chat-item{padding:12px;margin-bottom:8px;background:#fff;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:all .2s;color:#333}.chat-item:hover{border-color:#667eea}.chat-item.active{background:#667eea;color:#fff}.chat-title{font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-date{font-size:12px;opacity:.7}.message-content :where(h1,h2,h3,h4,h5,h6){margin-top:16px;margin-bottom:8px;font-weight:600;line-height:1.3}.message-content :where(h1){font-size:1.5em;border-bottom:2px solid #e0e0e0;padding-bottom:8px}.message-content :where(h2){font-size:1.3em;border-bottom:1px solid #e0e0e0;padding-bottom:6px}.message-content :where(h3){font-size:1.15em}.message-content :where(h4){font-size:1.05em}.message-content :where(h5,h6){font-size:1em}.message-content :where(h1:first-child,h2:first-child,h3:first-child){margin-top:0}.message-content :where(p){margin:8px 0}.message-content :where(p:first-child){margin-top:0}.message-content :where(p:last-child){margin-bottom:0}.message-content :where(pre){background:#f6f8fa;border:1px solid #e1e4e8;border-radius:6px;padding:12px;overflow-x:auto;margin:12px 0}.message-content :where(pre code){background:transparent;padding:0;font-family:Monaco,Menlo,Courier New,monospace;font-size:.9em;line-height:1.5}.message-content :where(code){background:#6e76811a;padding:2px 6px;border-radius:3px;font-family:Monaco,Menlo,Courier New,monospace;font-size:.9em}.message.user .message-content :where(code){background:#ffffff40}.message.user .message-content :where(pre){background:#ffffff26;border-color:#ffffff4d}.message-content :where(ul,ol){padding-left:24px;margin:8px 0}.message-content :where(li){margin:4px 0}.message-content :where(ul ul,ul ol,ol ul,ol ol){margin:2px 0}.message-content :where(input[type=checkbox]){margin-right:6px}.message-content :where(a){color:#667eea;text-decoration:underline;transition:opacity .2s}.message-content :where(a:hover){opacity:.8}.message.user .message-content :where(a){color:#fff;text-decoration:underline}.message-content :where(table){border-collapse:collapse;width:100%;margin:12px 0;border:1px solid #e1e4e8;border-radius:6px;overflow:hidden}.message-content :where(th,td){padding:8px 12px;text-align:left;border:1px solid #e1e4e8}.message-content :where(th){background:#f6f8fa;font-weight:600}.message-content :where(tr:nth-child(2n)){background:#fafbfc}.message-content :where(blockquote){margin:12px 0;padding:8px 16px;border-left:4px solid #667eea;background:#f6f8fa;border-radius:0 6px 6px 0}.message-content :where(blockquote p){margin:4px 0}.message.user .message-content :where(blockquote){border-left-color:#fff9;background:#ffffff26}.message-content :where(hr){border:none;border-top:2px solid #e1e4e8;margin:16px 0}.message-content :where(strong){font-weight:600}.message-content :where(em){font-style:italic}.message-content :where(del){text-decoration:line-through;opacity:.7}.message-content :where(img){max-width:100%;height:auto;border-radius:6px;margin:8px 0}.chat-widget{max-width:1200px;width:100%;margin:0 auto;border:1px solid #e0e0e0;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column}.chat-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;text-align:center}.chat-header h2{margin:0 0 5px;font-size:24px}.chat-header p{margin:0;font-size:14px;opacity:.9}.messages-container{flex:1;overflow-y:auto;padding:20px;background:#f9f9f9}.welcome-message{text-align:center;padding:40px 20px;color:#666}.welcome-message p{margin:10px 0}.welcome-message .example{background:#fff;padding:12px;border-radius:8px;margin-top:20px;font-style:italic;color:#888}.message{margin-bottom:16px;animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-role{font-size:12px;font-weight:600;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.message.user .message-role{color:#667eea}.message.assistant .message-role{color:#764ba2}.message.error .message-role{color:#e53e3e}.message-content{background:#fff;padding:12px 16px;border-radius:12px;line-height:1.5;box-shadow:0 1px 2px #0000000d}.message.user .message-content{background:#667eea;color:#fff;margin-left:40px}.message.assistant .message-content{background:#fff;color:#333;margin-right:40px}.message.error .message-content{background:#fff5f5;color:#e53e3e;border:1px solid #feb2b2;margin-right:40px}.loading{opacity:.7;font-style:italic}.input-form{display:flex;gap:8px;padding:16px;background:#fff;border-top:1px solid #e0e0e0}.message-input{flex:1;padding:12px 16px;border:1px solid #e0e0e0;border-radius:24px;font-size:14px;outline:none;transition:border-color .2s}.message-input:focus{border-color:#667eea}.message-input:disabled{background:#f5f5f5;cursor:not-allowed}.send-button{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:24px;font-weight:600;cursor:pointer;transition:transform .2s,opacity .2s}.send-button:hover:not(:disabled){transform:scale(1.05)}.send-button:disabled{opacity:.6;cursor:not-allowed}.feedback-container{display:flex;flex-direction:column;align-items:flex-end;padding:8px 16px 16px;background:#fff;gap:8px}.feedback-buttons{display:flex;gap:8px}.feedback-button{background:#f5f5f5;border:1px solid #e0e0e0;border-radius:8px;padding:6px 12px;font-size:18px;cursor:pointer;transition:all .2s}.feedback-button:hover{background:#e8e8e8}.feedback-button.active{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea}.feedback-form{display:flex;flex-direction:column;width:100%;gap:8px;animation:fadeIn .2s ease-in}.feedback-textarea{width:100%;min-height:80px;padding:12px;border:1px solid #e0e0e0;border-radius:8px;font-family:inherit;font-size:14px;resize:vertical;outline:none;transition:border-color .2s}.feedback-textarea:focus{border-color:#667eea}.feedback-submit{align-self:flex-end;padding:8px 16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:transform .2s}.feedback-submit:hover{transform:scale(1.02)}.feedback-thanks{color:#667eea;font-size:14px;font-weight:500}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:#f5f5f5}.login-card{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 10px #0000001a;width:100%;max-width:400px}.login-card h1{margin:0 0 .5rem;color:#333}.login-card p{margin:0 0 1.5rem;color:#666}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 2px #667eea33}.error-message{color:#d32f2f;margin-bottom:1rem;padding:.75rem;background:#ffebee;border-radius:4px;font-size:.9rem}.login-card button[type=submit]{width:100%;padding:.75rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:opacity .2s}.login-card button[type=submit]:hover{opacity:.9}.app-container{display:flex;height:100vh;background:#f5f7fa}.chat-main{flex:1;display:flex;justify-content:center;align-items:stretch;padding:20px;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}