@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #F8FAFB;--bg-secondary: #FFFFFF;--bg-tertiary: #F0F5F7;--bg-input: #FFFFFF;--text-primary: #1A2B3C;--text-secondary: #4A6275;--text-muted: #9BB0C0;--accent: #2B8A9E;--accent-hover: #35A3B8;--accent-dim: rgba(43, 138, 158, .08);--accent-light: #E8F4F7;--accent-secondary: #5BB5A6;--border: #DCE6EC;--border-light: #EEF3F6;--success: #2ECC71;--warning: #F39C12;--error: #E74C3C;--user-bubble: #2B8A9E;--user-bubble-text: #FFFFFF;--assistant-bubble: #FFFFFF;--cta: #1D7A8C;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#c4d6e0;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9bb0c0}.app{display:flex;height:100vh}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:transform .2s ease}.sidebar-header{padding:20px 20px 16px;border-bottom:1px solid var(--border-light)}.sidebar-header h1{font-size:1.15rem;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px;letter-spacing:-.02em}.sidebar-header p{font-size:.75rem;color:var(--text-muted);font-weight:400}.sidebar-actions{padding:12px 16px;display:flex;gap:8px}.sidebar-btn{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-secondary);font-size:.8rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all .15s ease;font-family:inherit}.sidebar-btn:hover,.sidebar-btn.active{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}.conversation-list{flex:1;overflow-y:auto;padding:4px 8px}.conversation-item{padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:.85rem;font-weight:500;color:var(--text-secondary);transition:all .15s ease;margin-bottom:2px;display:flex;justify-content:space-between;align-items:center}.conversation-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.conversation-item.active{background:var(--accent-light);color:var(--accent)}.conversation-item .delete-btn{opacity:0;background:none;border:none;color:var(--error);cursor:pointer;padding:2px;transition:opacity .15s ease;border-radius:4px}.conversation-item .delete-btn:hover{background:#ffe8e8}.conversation-item:hover .delete-btn{opacity:1}.sidebar-footer{padding:12px 20px;border-top:1px solid var(--border-light)}.status-indicator{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--text-muted);font-weight:500}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--text-muted)}.status-dot.online{background:var(--success);box-shadow:0 0 0 2px #2ecc7133}.status-dot.error{background:var(--error);box-shadow:0 0 0 2px #e74c3c33}.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-primary)}.chat-header{padding:16px 24px;border-bottom:1px solid var(--border);background:var(--bg-secondary);display:flex;align-items:center;justify-content:space-between}.chat-header-title{font-size:1rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.chat-header-subtitle{font-size:.75rem;color:var(--text-muted);margin-top:2px;font-weight:400}.messages-container{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:40px}.welcome-banner{display:flex;align-items:center;gap:16px;padding:18px 24px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 2px 12px #2b8a9e14;max-width:620px;width:100%}.welcome-icon{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--accent-light),#D4EEF3);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}.welcome-banner .banner-text{display:flex;flex-direction:column;gap:4px;min-width:0}.welcome-banner .banner-text h2{font-size:1.2rem;font-weight:700;color:var(--text-primary);margin:0;letter-spacing:-.02em}.welcome-banner .banner-text span{font-size:.78rem;color:var(--text-muted);line-height:1.3}.welcome-screen h2{font-size:1.5rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.welcome-screen p{color:var(--text-muted);text-align:center;max-width:440px;line-height:1.7;font-size:.9rem}.suggestion-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px;max-width:560px;width:100%}.suggestion-card{padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-left:3px solid transparent;border-radius:var(--radius);cursor:pointer;transition:all .2s ease}.suggestion-card:hover{border-color:var(--accent);border-left-color:var(--accent-secondary);background:var(--accent-light);transform:translateY(-2px);box-shadow:0 6px 20px #2b8a9e1f}.suggestion-card h4{font-size:.85rem;font-weight:600;color:var(--text-primary);margin-bottom:4px}.suggestion-card p{font-size:.75rem;color:var(--text-muted);line-height:1.4}.message{display:flex;gap:10px;max-width:80%;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.message-avatar svg{width:18px;height:18px}.message.user .message-avatar{background:linear-gradient(135deg,var(--accent),var(--accent-secondary));color:#fff}.message.assistant .message-avatar{background:var(--accent-light);color:var(--accent)}.message-content{padding:10px 14px;border-radius:var(--radius);line-height:1.7;font-size:.9rem}.message.user .message-content{background:linear-gradient(135deg,var(--user-bubble),var(--accent-secondary));color:var(--user-bubble-text);border-bottom-right-radius:4px;box-shadow:0 2px 8px #2b8a9e40}.message.assistant .message-content{background:var(--assistant-bubble);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text-primary)}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:.85em;color:var(--accent)}.message-content pre{background:#1a2b3c;color:#dce6ec;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.message-content pre code{background:none;padding:0;color:inherit}.message-sources{margin-top:8px;padding-top:8px;border-top:1px solid var(--border);font-size:.75rem;color:var(--text-muted)}.sources-header{display:flex;align-items:center;gap:4px;margin-bottom:6px;font-weight:500;color:var(--text-secondary)}.sources-header svg{flex-shrink:0}.sources-list{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:3px}.sources-list li{color:var(--accent);font-weight:500;line-height:1.5;word-break:break-all}.source-link{color:var(--accent);text-decoration:none;font-weight:500;transition:color .2s,text-decoration .2s}.source-link:hover{text-decoration:underline;color:var(--accent-hover)}.message-content table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.85rem;overflow:hidden;border-radius:var(--radius-sm);border:1px solid var(--border)}.message-content thead{background:#f0f5f7}.message-content thead th{padding:10px 14px;text-align:left;font-weight:600;color:var(--text-primary);font-size:.82rem;border-bottom:2px solid var(--border);white-space:nowrap}.message-content tbody td{padding:9px 14px;border-bottom:1px solid var(--border-light);color:var(--text-secondary);line-height:1.5}.message-content tbody tr:last-child td{border-bottom:none}.message-content tbody tr:nth-child(2n){background:#f8fafb}.message-content tbody tr:hover{background:var(--accent-light)}.message-content blockquote{margin:10px 0;padding:10px 16px;border-left:4px solid var(--accent);background:var(--accent-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary);font-style:italic}.message-content blockquote p{margin:0}.message-content ul,.message-content ol{margin:8px 0;padding-left:24px}.message-content li{margin-bottom:4px;line-height:1.6}.message-content li>ul,.message-content li>ol{margin:4px 0}.message-content input[type=checkbox]{margin-right:6px;accent-color:var(--accent)}.message-content hr{border:none;border-top:1px solid var(--border);margin:16px 0}.message-content h1{font-size:1.4rem;font-weight:700;margin:16px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--border-light)}.message-content h2{font-size:1.2rem;font-weight:700;margin:14px 0 6px;padding-bottom:4px;border-bottom:1px solid var(--border-light)}.message-content h3{font-size:1.05rem;font-weight:600;margin:12px 0 4px}.message-content h4,.message-content h5,.message-content h6{font-size:.95rem;font-weight:600;margin:10px 0 4px}.message-content a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;font-weight:500;transition:color .15s}.message-content a:hover{color:var(--accent-hover)}.message-content img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0}.wiki-image-wrapper{margin:12px 0;max-width:100%}.wiki-image{max-width:100%;max-height:400px;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:zoom-in;opacity:0;transition:opacity .3s ease,transform .15s ease;display:block}.wiki-image.loaded{opacity:1}.wiki-image:hover{transform:scale(1.01);box-shadow:var(--shadow-md)}.wiki-image-caption{font-size:.78rem;color:var(--text-muted);margin-top:4px;line-height:1.4}.wiki-image-loading{display:flex;align-items:center;gap:8px;padding:24px;background:var(--bg-tertiary);border-radius:var(--radius-sm);border:1px solid var(--border);color:var(--text-muted);font-size:.85rem}.wiki-image-loading-spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.wiki-image-error{padding:12px 16px;background:#fff5f5;border:1px solid #FED7D7;border-radius:var(--radius-sm);color:var(--error);font-size:.82rem}.lightbox-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000d9;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s ease}.lightbox-content{position:relative;max-width:95vw;max-height:95vh;display:flex;flex-direction:column;align-items:center}.lightbox-close{position:absolute;top:-40px;right:0;background:#ffffff26;border:1px solid rgba(255,255,255,.25);color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.lightbox-close:hover{background:#ffffff4d}.lightbox-image{max-width:90vw;max-height:80vh;border-radius:var(--radius);box-shadow:0 8px 32px #0006;object-fit:contain}.lightbox-caption{margin-top:12px;color:#ffffffb3;font-size:.9rem;text-align:center}.message-content del{color:var(--text-muted)}.code-block-wrapper{margin:10px 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid #3A5068}.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:6px 14px;background:#1a2b3c;border-bottom:1px solid #3A5068}.code-language{font-size:.72rem;font-weight:600;color:#9bb0c0;text-transform:uppercase;letter-spacing:.04em}.copy-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:#9bb0c0;font-size:.7rem;font-weight:500;padding:3px 10px;border-radius:4px;cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap}.copy-btn:hover{background:#ffffff26;color:#dce6ec;border-color:#ffffff40}.mermaid-container{margin:12px 0;padding:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);overflow-x:auto;display:flex;justify-content:center}.mermaid-container svg{max-width:100%;height:auto}.mermaid-loading{color:var(--text-muted);font-size:.85rem;min-height:60px;align-items:center}.mermaid-error{margin:10px 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid #C8E0E8}.mermaid-error-header{padding:8px 14px;background:#f0f5f7;font-size:.75rem;font-weight:500;color:var(--error);border-bottom:1px solid #C8E0E8}.message-content .table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.message.assistant{max-width:85%}@media(max-width:768px){.message.assistant{max-width:95%}.message-content table{font-size:.78rem}.message-content thead th,.message-content tbody td{padding:7px 10px}}.typing-indicator{display:flex;gap:4px;padding:4px 0}.typing-indicator span{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:typing 1.4s infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.3}30%{transform:translateY(-6px);opacity:1}}.tool-status{display:inline-flex;align-items:center;gap:6px;margin-top:8px;padding:6px 12px;font-size:.8rem;color:var(--accent-secondary);background:#5bb5a61a;border:1px solid rgba(91,181,166,.25);border-radius:20px;animation:pulse-border 1.5s infinite}.tool-status svg{flex-shrink:0;opacity:.8}@keyframes pulse-border{0%,to{border-color:#5bb5a640}50%{border-color:#5bb5a680}}.input-area{padding:16px 24px 24px;border-top:1px solid var(--border);background:var(--bg-secondary)}.input-wrapper{display:flex;gap:10px;align-items:flex-end;max-width:900px;margin:0 auto}.input-wrapper textarea{flex:1;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;color:var(--text-primary);font-size:.9rem;font-family:inherit;resize:none;outline:none;max-height:120px;line-height:1.5;transition:border-color .15s ease,box-shadow .15s ease}.input-wrapper textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2b8a9e1a}.input-wrapper textarea::placeholder{color:var(--text-muted)}.send-btn{width:42px;height:42px;border-radius:var(--radius);background:var(--accent);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:active:not(:disabled){transform:scale(.96)}.send-btn:disabled{opacity:.35;cursor:not-allowed}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;transform:translate(-100%);box-shadow:var(--shadow-md)}.sidebar.open{transform:translate(0)}.message{max-width:95%}.suggestion-grid{grid-template-columns:1fr}}