:root,[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f6f8fa;--bg-card:#fff;--bg-hover:#f3f4f6;--border-color:#d1d5db;--text-primary:#1f2937;--text-secondary:#6b7280;--accent-blue:#2563eb;--accent-green:#16a34a;--accent-purple:#7c3aed;--accent-orange:#ea580c;--chart-bg:"transparent";--chart-tooltip-bg:#fff;--chart-tooltip-border:#d1d5db;--chart-tooltip-text:#1f2937;--chart-axis:#d1d5db;--chart-axis-label:#6b7280;--chart-split:#f3f4f6;--chart-legend-text:#6b7280}[data-theme=dark]{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#1c2128;--bg-hover:#262c36;--border-color:#30363d;--text-primary:#e6edf3;--text-secondary:#8b949e;--accent-blue:#58a6ff;--accent-green:#3fb950;--accent-purple:#bc8cff;--accent-orange:#f0883e;--chart-tooltip-bg:#1c2128;--chart-tooltip-border:#30363d;--chart-tooltip-text:#e6edf3;--chart-axis:#30363d;--chart-axis-label:#8b949e;--chart-split:#21262d;--chart-legend-text:#8b949e}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif;line-height:1.5;transition:background-color .2s,color .2s}#root{flex-direction:column;min-height:100vh;margin:0 auto;display:flex}a{color:var(--accent-blue);text-decoration:none}a:hover{text-decoration:underline}.app{flex-direction:column;min-height:100vh;display:flex}.header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.header-left h1{margin-bottom:2px;font-size:22px;font-weight:700}.header-left p{color:var(--text-secondary);font-size:13px}.header-right{flex-shrink:0;align-items:center;gap:12px;display:flex}.header-meta{color:var(--text-secondary);gap:12px;font-size:12px;display:flex}.theme-toggle{background:var(--bg-secondary);border:1px solid var(--border-color);cursor:pointer;color:var(--text-primary);border-radius:6px;padding:5px 9px;font-size:15px;transition:background .15s}.theme-toggle:hover{background:var(--bg-hover)}.layout{flex:1;min-height:0;display:flex}.sidebar{border-right:1px solid var(--border-color);background:var(--bg-secondary);flex-direction:column;width:220px;min-width:220px;transition:width .2s,min-width .2s;display:flex;overflow-y:auto}.sidebar.collapsed{width:48px;min-width:48px}.sidebar-toggle{border:none;border-bottom:1px solid var(--border-color);cursor:pointer;color:var(--text-secondary);background:0 0;justify-content:center;align-items:center;padding:12px;font-size:14px;transition:color .15s;display:flex}.sidebar-toggle:hover{color:var(--text-primary)}.sidebar-section{border-bottom:1px solid var(--border-color);padding:12px 0}.sidebar-section-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);padding:0 16px 8px;font-size:11px;font-weight:600}.sidebar.collapsed .sidebar-section-title{display:none}.sidebar-item{color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;width:100%;padding:8px 16px;font-size:14px;transition:background .1s,color .1s;display:flex}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-item.active{color:var(--text-primary);background:var(--bg-hover);font-weight:600}.sidebar-item .count{color:var(--text-secondary);font-size:12px;font-weight:400}.sidebar.collapsed .sidebar-item{justify-content:center;padding:8px 4px;font-size:16px}.sidebar.collapsed .sidebar-item .item-label,.sidebar.collapsed .sidebar-item .count{display:none}.sidebar-bottom{border-top:1px solid var(--border-color);margin-top:auto}.content{flex:1;min-width:0;padding:24px;overflow-y:auto}.stats-bar{flex-wrap:wrap;gap:16px;margin-bottom:24px;display:flex}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;flex:1;min-width:120px;padding:14px 18px}.stat-card .label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.stat-card .value{margin-top:2px;font-size:22px;font-weight:600}.view-switcher{border:1px solid var(--border-color);border-radius:6px;gap:0;display:flex;overflow:hidden}.view-btn{color:var(--text-secondary);background:var(--bg-secondary);border:none;border-right:1px solid var(--border-color);cursor:pointer;padding:5px 12px;font-size:12px;transition:background .15s,color .15s}.view-btn:last-child{border-right:none}.view-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.view-btn.active{color:var(--text-primary);background:var(--bg-hover);font-weight:600}.main-layout{grid-template-columns:1fr;gap:24px;display:grid}.chart-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;min-width:0;padding:20px;overflow:hidden}.chart-container h2{margin-bottom:16px;font-size:16px;font-weight:600}.chart-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.chart-header h2{margin-bottom:0}.ranking-table{border-collapse:collapse;table-layout:auto;width:100%}.ranking-table th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-color);padding:8px 12px;font-size:12px;font-weight:500}.ranking-table td{border-bottom:1px solid var(--border-color);vertical-align:middle;padding:10px 12px;font-size:14px}.ranking-table tr:hover td{background:var(--bg-hover)}.rank-num{color:var(--text-secondary);width:40px;font-weight:600}.paper-title{font-weight:500}.paper-meta{color:var(--text-secondary);margin-top:2px;font-size:12px}.paper-links{margin-top:2px;font-size:12px}.paper-links a{color:var(--accent-blue);margin-right:4px}.citation-count{font-variant-numeric:tabular-nums;font-weight:600}.community-badge{white-space:nowrap;border-radius:12px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.project-tag{color:#2563eb;vertical-align:middle;background:#2563eb1a;border-radius:4px;margin-left:8px;padding:1px 7px;font-size:11px;font-weight:500;display:inline-block}[data-theme=dark] .project-tag{color:#58a6ff;background:#58a6ff26}.category-badge{background:var(--bg-hover);color:var(--text-secondary);white-space:nowrap;border-radius:4px;padding:2px 6px;font-size:11px;display:inline-block}.project-group{border:1px solid var(--border-color);border-radius:8px;margin-bottom:8px;overflow:hidden}.project-header{background:var(--bg-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:12px 16px;transition:background .15s;display:flex}.project-header:hover{background:var(--bg-hover)}.project-header-left{align-items:center;gap:12px;display:flex}.project-name{font-size:15px;font-weight:600}.project-stats{color:var(--text-secondary);font-size:13px}.expand-icon{color:var(--text-secondary);font-size:12px;transition:transform .2s}.expand-icon.expanded{transform:rotate(90deg)}.project-papers{border-top:1px solid var(--border-color)}.community-group{border:1px solid var(--border-color);border-radius:8px;margin-bottom:12px;overflow:hidden}.community-header{background:var(--bg-secondary);align-items:center;gap:12px;padding:14px 16px;display:flex}.community-color-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.community-name{font-size:15px;font-weight:600}.community-stats{color:var(--text-secondary);margin-left:auto;font-size:13px}.sparkline-cell{width:120px}.about-container{max-width:720px}.about-container h1{margin-bottom:16px;font-size:24px;font-weight:700}.about-container h2{margin:24px 0 8px;font-size:18px;font-weight:600}.about-container h3{margin:16px 0 6px;font-size:15px;font-weight:600}.about-container p{color:var(--text-primary);margin:8px 0;line-height:1.7}.about-container ul,.about-container ol{margin:8px 0;padding-left:24px}.about-container li{margin:4px 0;line-height:1.6}.about-container code{background:var(--bg-hover);border-radius:4px;padding:2px 6px;font-size:13px}.about-container pre{background:var(--bg-hover);border-radius:6px;margin:12px 0;padding:12px 16px;font-size:13px;overflow-x:auto}.about-container pre code{background:0 0;padding:0}.about-container a{color:var(--accent-blue)}.about-container hr{border:none;border-top:1px solid var(--border-color);margin:24px 0}.footer{border-top:1px solid var(--border-color);text-align:center;color:var(--text-secondary);padding:16px 24px;font-size:12px}@media (width<=768px){.sidebar{width:48px;min-width:48px}.sidebar .sidebar-section-title,.sidebar .sidebar-item .item-label,.sidebar .sidebar-item .count{display:none}.sidebar .sidebar-item{justify-content:center;padding:8px 4px;font-size:16px}.content{padding:16px}.stats-bar{flex-direction:column}.paper-title{max-width:none}.ranking-table{font-size:13px}.ranking-table th,.ranking-table td{padding:8px 6px}.sparkline-cell{display:none}.header{padding:12px 16px}.header-left h1{font-size:18px}.chart-header{flex-direction:column;align-items:flex-start;gap:8px}}