:root{--bg-primary: #000000;--bg-elevated: #0a0a0a;--bg-surface: #111111;--bg-hover: #1a1a1a;--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .4);--border-color: rgba(255, 255, 255, .1);--border-subtle: rgba(255, 255, 255, .05);--accent: #ffffff;--accent-dim: rgba(255, 255, 255, .5);--font-serif: "Georgia", "Times New Roman", Times, serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 20px;--transition-fast: .15s ease;--transition-normal: .25s ease;font-family:var(--font-sans);line-height:1.5;font-weight:400;color-scheme:dark;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;overflow:hidden}#root{width:100%;height:100vh}a{font-weight:400;color:var(--text-primary);text-decoration:none;transition:opacity var(--transition-fast)}a:hover{opacity:.7}button{border-radius:var(--radius-sm);border:1px solid var(--border-color);padding:8px 16px;font-size:13px;font-weight:400;font-family:inherit;background-color:transparent;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}button:hover{background-color:var(--bg-elevated)}button:focus,button:focus-visible{outline:1px solid var(--text-muted);outline-offset:1px}button:disabled{opacity:.4;cursor:not-allowed}input{font-family:inherit;font-size:14px;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-elevated);color:var(--text-primary);transition:border-color var(--transition-fast)}input:focus{outline:none;border-color:var(--text-muted)}input::placeholder{color:var(--text-muted)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app{height:100vh;width:100%;background:#000;position:relative;overflow:hidden}.header{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 24px;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-subtle)}.header-content{display:flex;align-items:center;justify-content:space-between;max-width:100%}.logo-container{display:flex;align-items:center;gap:10px}.logo-icon{width:20px;height:20px;color:var(--text-primary)}.logo-text{font-size:14px;font-weight:500;margin:0;color:var(--text-primary);letter-spacing:-.01em}.header-stats{display:flex;gap:16px}.stat{display:flex;align-items:center;gap:6px;font-size:13px}.stat-value{color:var(--text-primary);font-weight:500;font-variant-numeric:tabular-nums}.stat-label{color:var(--text-muted)}.main{height:100%;width:100%}.graph-canvas-container{width:100%;height:100%;position:relative}.graph-canvas{width:100%;height:100%;background:#000}.search-container{position:fixed;top:70px;left:50%;transform:translate(-50%);z-index:200;width:100%;max-width:480px;padding:0 16px}.search-box{display:flex;align-items:center;gap:12px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px 16px;transition:border-color var(--transition-fast)}.search-box:focus-within{border-color:var(--text-muted)}.search-icon{width:16px;height:16px;color:var(--text-muted);flex-shrink:0}.search-input{flex:1;background:transparent;border:none;font-size:14px;color:var(--text-primary);padding:0;outline:none}.search-input::placeholder{color:var(--text-muted)}.search-shortcut{font-size:11px;color:var(--text-muted);padding:2px 6px;background:var(--bg-elevated);border-radius:4px}.search-clear{width:20px;height:20px;padding:0;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-muted);cursor:pointer}.search-clear:hover{color:var(--text-primary)}.embedding-status{font-size:14px;padding:2px 4px;border-radius:4px;background:#3b82f61a;cursor:help}.search-results{margin-top:4px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;max-height:300px;overflow-y:auto}.search-result-item{width:100%;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:transparent;border:none;border-bottom:1px solid var(--border-subtle);color:var(--text-primary);font-size:14px;cursor:pointer;text-align:left;transition:background var(--transition-fast)}.search-result-item:last-child{border-bottom:none}.search-result-item:hover{background:var(--bg-hover)}.result-label{flex:1}.result-action{font-size:12px;color:var(--text-muted);opacity:0;transition:opacity var(--transition-fast)}.search-result-item:hover .result-action{opacity:1}.search-spinner{width:16px;height:16px;border:2px solid var(--border-color);border-top-color:var(--text-primary);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.search-results.enhanced{max-height:420px}.search-result-item{flex-direction:column;align-items:stretch;gap:6px}.result-main{display:flex;flex-direction:column;gap:4px}.result-preview{font-size:12px;color:var(--text-muted);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.result-meta{display:flex;align-items:center;gap:8px}.result-score{font-size:11px;font-weight:600;padding:2px 6px;border-radius:4px;font-variant-numeric:tabular-nums}.result-score.high{background:#22c55e33;color:#22c55e}.result-score.medium{background:#eab30833;color:#eab308}.result-score.low{background:#9ca3af33;color:#9ca3af}.result-type{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.result-use-btn{width:24px;height:24px;padding:0;display:flex;align-items:center;justify-content:center;background:var(--bg-elevated);border:1px solid var(--border-color);border-radius:4px;color:var(--text-muted);cursor:pointer;font-size:14px;transition:all var(--transition-fast);margin-left:auto}.result-use-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--text-muted)}.search-result-item.selected-for-gen{background:#22d3ee1a;border-left:2px solid #22d3ee}.search-result-item.selected-for-gen .result-use-btn{background:#22d3ee;color:#000;border-color:#22d3ee}.search-generate-section{padding:12px 16px;border-top:1px solid var(--border-color)}.generate-divider{text-align:center;margin-bottom:12px}.generate-divider span{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.generate-from-similar-btn,.generate-new-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;background:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;cursor:pointer;transition:all var(--transition-fast)}.generate-from-similar-btn:hover,.generate-new-btn:hover{background:var(--bg-hover);border-color:var(--text-muted)}.generate-new-btn.primary{background:#22d3ee;color:#000;border-color:#22d3ee}.generate-new-btn.primary:hover{background:#06b6d4}.gen-icon{font-size:14px}.search-no-results{padding:20px 16px;text-align:center}.search-no-results p{font-size:13px;color:var(--text-muted);margin:0 0 12px}.generate-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:90%;max-width:480px;z-index:300;box-shadow:0 20px 60px #00000080}.generate-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.generate-panel-header h3{font-size:15px;font-weight:600;margin:0;color:var(--text-primary)}.generate-panel-header .close-btn{width:28px;height:28px;padding:0;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-muted);font-size:20px;cursor:pointer}.generate-panel-header .close-btn:hover{color:var(--text-primary)}.generate-panel-content{padding:20px}.generate-query{font-size:14px;color:var(--text-secondary);margin:0 0 16px}.generate-query strong{color:var(--text-primary)}.similar-articles-section{margin-bottom:20px}.section-label{font-size:13px;font-weight:500;color:var(--text-primary);margin:0 0 4px}.section-hint{font-size:12px;color:var(--text-muted);margin:0 0 12px}.similar-list{display:flex;flex-direction:column;gap:6px;max-height:180px;overflow-y:auto}.similar-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg-elevated);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast)}.similar-item:hover{background:var(--bg-hover)}.similar-item input[type=checkbox]{accent-color:#22d3ee}.similar-title{flex:1;font-size:13px;color:var(--text-primary)}.similar-score{font-size:11px;color:var(--text-muted);font-variant-numeric:tabular-nums}.generate-actions{display:flex;gap:12px}.generate-actions .generate-btn{flex:1;padding:12px 16px;background:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.generate-actions .generate-btn.primary{background:#22d3ee;color:#000;border-color:#22d3ee}.generate-actions .generate-btn.primary:hover{background:#06b6d4}.generate-actions .generate-btn:disabled{opacity:.6;cursor:not-allowed}.generate-actions .cancel-btn{padding:12px 16px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-muted);font-size:13px;cursor:pointer}.generate-actions .cancel-btn:hover{color:var(--text-primary);border-color:var(--text-muted)}.generate-note{font-size:11px;color:var(--text-muted);margin:16px 0 0;line-height:1.5}.selection-panel{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:16px 20px;min-width:340px;max-width:480px;z-index:200}.selection-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--border-subtle)}.selection-title{display:flex;align-items:center;gap:8px}.selection-count{font-size:13px;color:var(--text-secondary)}.selection-badge{font-size:10px;color:var(--text-primary);padding:2px 6px;background:var(--bg-hover);border-radius:4px;text-transform:uppercase;letter-spacing:.05em}.clear-btn{font-size:12px;padding:4px 8px;background:transparent;border:1px solid var(--border-color);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer}.clear-btn:hover{color:var(--text-primary);border-color:var(--text-muted)}.selected-items{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;max-height:160px;overflow-y:auto}.selected-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg-elevated);border-radius:var(--radius-sm)}.selected-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.selected-label{flex:1;font-size:13px;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.remove-selection{width:20px;height:20px;padding:0;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-muted);cursor:pointer;opacity:0;transition:opacity var(--transition-fast)}.selected-item:hover .remove-selection{opacity:1}.remove-selection:hover{color:var(--text-primary)}.generate-btn{width:100%;padding:12px 16px;font-size:13px;font-weight:500;background:var(--text-primary);border:none;color:var(--bg-primary);border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity var(--transition-fast)}.generate-btn:hover{opacity:.9}.generate-btn:disabled{opacity:.5;cursor:not-allowed}.generate-btn svg{width:14px;height:14px}.selection-hint{font-size:12px;color:var(--text-muted);text-align:center;margin:0}.generating-indicator{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px 48px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);z-index:500}.generating-indicator span{font-size:13px;color:var(--text-secondary)}.spinner{width:32px;height:32px;border:2px solid var(--border-color);border-top-color:var(--text-primary);border-radius:50%;animation:spin .8s linear infinite}.spinner.large{width:48px;height:48px;border-width:3px}.graph-loading-overlay{position:absolute;inset:0;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:1000}.graph-loading-content{display:flex;flex-direction:column;align-items:center;gap:20px}.loading-status{color:var(--text-muted);font-size:14px;font-family:var(--font-mono)}.loading-dots{display:flex;gap:4px}.loading-dots span{width:4px;height:4px;background:var(--text-muted);border-radius:50%;animation:pulse 1.2s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.15s}.loading-dots span:nth-child(3){animation-delay:.3s}@keyframes pulse{0%,80%,to{opacity:.3}40%{opacity:1}}.zoom-controls{position:fixed;bottom:24px;left:24px;display:flex;flex-direction:column;gap:1px;background:var(--border-color);border-radius:var(--radius-md);overflow:hidden;z-index:100}.zoom-btn{width:36px;height:36px;padding:0;display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border:none;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}.zoom-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.zoom-divider{display:none}.toolbar{position:fixed;bottom:24px;right:24px;display:flex;gap:8px;z-index:100}.toolbar-btn{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all var(--transition-fast)}.toolbar-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--text-muted)}.toolbar-btn svg{width:14px;height:14px}.instructions{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:10px 16px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:12px;color:var(--text-muted);z-index:100;display:flex;align-items:center;gap:8px}.instructions svg{width:14px;height:14px}.graph-legend{position:fixed;bottom:24px;right:24px;padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);display:flex;gap:16px;z-index:100}.legend-item{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-muted)}.legend-dot{width:8px;height:8px;border-radius:50%}.sidebar{position:fixed;top:0;right:0;width:400px;height:100%;background:var(--bg-surface);border-left:1px solid var(--border-color);z-index:300;display:flex;flex-direction:column;animation:slideIn .2s ease}@keyframes slideIn{0%{transform:translate(100%)}to{transform:translate(0)}}.sidebar-header{display:flex;align-items:flex-start;justify-content:space-between;padding:20px;border-bottom:1px solid var(--border-subtle)}.sidebar-header h2{margin:0;font-size:16px;font-weight:500;color:var(--text-primary);line-height:1.4;padding-right:12px}.close-sidebar{width:28px;height:28px;padding:0;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-color);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;flex-shrink:0}.sidebar-content{flex:1;padding:20px;overflow-y:auto}.article-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border-subtle)}.article-badge{font-size:10px;color:var(--text-primary);padding:3px 8px;background:var(--bg-hover);border-radius:4px;text-transform:uppercase;letter-spacing:.05em}.article-date{font-size:12px;color:var(--text-muted)}.article-content{color:var(--text-secondary);font-size:14px;line-height:1.7}.article-content p{margin:0 0 1em}.article-content.markdown-body h1{font-size:1.5em;font-weight:600;color:var(--text-primary);margin:0 0 .75em;padding-bottom:.3em;border-bottom:1px solid var(--border-color)}.article-content.markdown-body h2{font-size:1.25em;font-weight:600;color:var(--text-primary);margin:1.5em 0 .5em;padding-bottom:.2em;border-bottom:1px solid var(--border-color)}.article-content.markdown-body h3{font-size:1.1em;font-weight:600;color:var(--text-primary);margin:1.25em 0 .4em}.article-content.markdown-body h4{font-size:1em;font-weight:600;color:var(--text-secondary);margin:1em 0 .3em}.article-content.markdown-body ul,.article-content.markdown-body ol{margin:.5em 0 1em;padding-left:1.5em}.article-content.markdown-body li{margin:.25em 0}.article-content.markdown-body strong{color:var(--text-primary);font-weight:600}.article-content.markdown-body em{font-style:italic}.article-content.markdown-body blockquote{margin:1em 0;padding:.5em 1em;border-left:3px solid var(--accent-color);background:#ffffff05;color:var(--text-muted)}.article-content.markdown-body code{background:#ffffff0d;padding:.15em .4em;border-radius:3px;font-family:SF Mono,Monaco,monospace;font-size:.9em}.article-content.markdown-body pre{background:#0000004d;padding:1em;border-radius:6px;overflow-x:auto;margin:1em 0}.article-content.markdown-body pre code{background:none;padding:0}.article-content.markdown-body table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.9em}.article-content.markdown-body th,.article-content.markdown-body td{border:1px solid var(--border-color);padding:.5em .75em;text-align:left}.article-content.markdown-body th{background:#ffffff0d;font-weight:600;color:var(--text-primary)}.article-content.markdown-body tr:nth-child(2n){background:#ffffff05}.article-content.markdown-body hr{border:none;border-top:1px solid var(--border-color);margin:1.5em 0}.article-content.markdown-body a{color:var(--accent-color);text-decoration:none}.article-content.markdown-body a:hover{text-decoration:underline}.selection-popup{position:fixed;transform:translate(-50%,-100%);z-index:500;animation:popIn .15s ease}@keyframes popIn{0%{opacity:0;transform:translate(-50%,-90%)}to{opacity:1;transform:translate(-50%,-100%)}}.selection-popup button{padding:8px 14px;font-size:12px;background:var(--text-primary);color:var(--bg-primary);border:none;border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;font-weight:500}.selection-popup button:hover{opacity:.9}.selection-popup button:disabled{opacity:.5;cursor:not-allowed}.selection-popup:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:var(--text-primary)}.generating-overlay{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 32px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);z-index:600}.generating-overlay span{font-size:13px;color:var(--text-secondary)}.sidebar{position:fixed;top:0;right:0;width:480px;height:100%;background:var(--bg-primary);border-left:1px solid var(--border-color);z-index:300;display:flex;flex-direction:column;animation:slideIn .2s ease}.sidebar-header{display:flex;align-items:flex-start;justify-content:space-between;padding:24px 28px;border-bottom:1px solid var(--border-subtle)}.sidebar-header h2{margin:0;font-size:18px;font-weight:500;color:var(--text-primary);line-height:1.5;padding-right:16px}.close-sidebar{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;font-size:20px;background:transparent;border:1px solid var(--border-color);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;flex-shrink:0}.close-sidebar:hover{color:var(--text-primary);border-color:var(--text-muted)}.sidebar-content{flex:1;padding:28px;overflow-y:auto}.article-meta{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-subtle)}.article-badge{font-size:10px;color:var(--text-secondary);padding:4px 10px;background:var(--bg-surface);border-radius:4px;text-transform:uppercase;letter-spacing:.1em}.article-content{color:var(--text-secondary);font-size:15px;line-height:1.8;letter-spacing:.01em}.article-content p{margin:0 0 1.5em}.article-content p:last-child{margin-bottom:0}.article-content 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