.relationship-graph{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}.relation-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;min-height:62px;padding:13px 18px;display:flex}.relation-toolbar>div:first-child strong,.relation-toolbar>div:first-child span{display:block}.relation-toolbar>div:first-child strong{font-family:var(--font-sans);font-size:var(--fs-base)}.relation-toolbar>div:first-child span{font-size:var(--fs-sm);color:var(--muted);margin-top:3px}.scope-switch{background:var(--surface-3);border-radius:var(--radius-sm);padding:3px;display:flex}.scope-switch button{height:30px;color:var(--muted);font-size:var(--fs-sm);background:0 0;border:0;border-radius:5px;padding:0 11px}.scope-switch button.active{background:var(--navy);color:#fff}.scope-switch button:hover:not(.active):not(:disabled){background:var(--line);color:var(--ink)}.scope-switch button:disabled{opacity:.42;cursor:not-allowed}.relation-boundary{font-size:var(--fs-sm);border-bottom:1px solid;align-items:center;gap:8px;padding:9px 18px;display:flex}.relation-boundary b{border-radius:var(--radius-sm);white-space:nowrap;font-size:var(--fs-xs);padding:3px 8px}.relation-boundary.confirmed{background:var(--green-soft);color:var(--green);border-color:#cfe5db}.relation-boundary.confirmed b{background:var(--green);color:#fff}.relation-boundary.candidate{background:var(--amber-soft);color:var(--amber);border-color:#ecdcbb}.relation-boundary.candidate b{background:var(--amber);color:#fff}.relation-layout{grid-template-columns:minmax(0,1fr) 272px;min-height:570px;display:grid}.relation-canvas{background:linear-gradient(90deg, var(--surface-2) 1px, transparent 1px), linear-gradient(var(--surface-2) 1px, transparent 1px);background-size:24px 24px;min-width:0;position:relative}.relation-canvas svg{width:100%;height:auto;min-height:340px;display:block}.relation-edges path{fill:none;stroke:var(--line-strong);stroke-width:1.2px;transition:opacity .18s,stroke .18s,stroke-width .18s}.relation-edges path.active{stroke:var(--accent);stroke-width:2px}.relation-edges path.dimmed{opacity:.14}.relation-node{cursor:pointer;outline:none;transition:opacity .18s}.relation-node.dimmed{opacity:.22}.relation-node rect{stroke-width:1.2px;transition:stroke .18s,stroke-width .18s,filter .18s}.relation-node text{font-size:var(--fs-base);fill:var(--ink);pointer-events:none;font-weight:700}.relation-node .node-sub{font-size:var(--fs-sm);fill:var(--muted);font-weight:500}.relation-node.selected rect,.relation-node:focus rect{stroke:var(--accent);stroke-width:2.4px;filter:drop-shadow(0 4px 8px #15202e1f)}.relation-node:hover rect{stroke:var(--accent-line);stroke-width:2px;filter:drop-shadow(0 2px 5px #15202e1a)}.relation-node .node-expand{fill:var(--accent);font-size:16px;font-weight:500}.relation-subject rect{fill:var(--navy);stroke:var(--navy)}.relation-subject text{fill:#fff}.relation-subject .node-sub{fill:#c2cede}.relation-work rect{fill:var(--red-soft);stroke:#e4c5c0}.relation-author rect{fill:var(--accent-soft);stroke:var(--accent-line)}.relation-organization rect{fill:var(--green-soft);stroke:#cfe5db}.relation-source rect{fill:var(--surface-3);stroke:var(--line-strong)}.relation-work.status-anchor rect{fill:var(--surface-2);stroke:var(--faint)}.relation-work.status-issue rect{fill:var(--red-soft);stroke:#cd7d72}.relation-work.status-discussion rect{fill:var(--amber-soft);stroke:#d3a253}.relation-work.status-no-signal rect{fill:var(--surface-2);stroke:var(--line-strong)}.relation-work.status-no-signal text{fill:var(--muted)}.relation-work.status-no-signal .node-sub{fill:var(--subtle)}.relation-legend{flex-wrap:wrap;gap:9px;display:flex;position:absolute;bottom:42px;left:14px}.relation-legend span{font-size:var(--fs-xs);color:var(--muted);align-items:center;gap:5px;display:flex}.relation-legend span:before{content:"";background:var(--navy);border-radius:2px;width:9px;height:9px}.relation-legend .work:before{background:#eed2cb}.relation-legend .author:before{background:var(--accent-line)}.relation-legend .organization:before{background:#cfe5db}.relation-legend .source:before{background:var(--line-strong)}.relation-legend.expanded{bottom:14px}.relation-legend .anchor:before{background:var(--faint)}.relation-legend .issue:before{background:#df988f}.relation-legend .discussion:before{background:#e3bd72}.relation-legend .no-signal:before{background:var(--line-strong)}.relation-coverage{font-size:var(--fs-xs);color:var(--subtle);line-height:1.5;position:absolute;bottom:12px;left:14px;right:14px}.relation-detail{border-left:1px solid var(--line);background:var(--surface-2);max-height:570px;padding:20px;overflow:auto}.relation-detail>p{font-size:var(--fs-xs);color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-weight:700}.relation-detail h3{font-family:var(--font-sans);font-size:var(--fs-md);overflow-wrap:anywhere;margin:0 0 15px;line-height:1.55}.relation-detail>div{border-top:1px solid var(--line)}.relation-detail>div span{border-bottom:1px solid var(--line);font-size:var(--fs-sm);color:var(--text);overflow-wrap:anywhere;padding:8px 0;line-height:1.55;display:block}.relation-detail nav{gap:6px;margin-top:13px;display:grid}.relation-detail nav a{font-size:var(--fs-sm);color:var(--accent);background:var(--accent-soft);border-radius:var(--radius-sm);overflow-wrap:anywhere;padding:7px 9px;text-decoration:none}.relation-detail nav a:hover{background:var(--accent-line)}.relation-detail>small{background:var(--amber-soft);border-radius:var(--radius-sm);font-size:var(--fs-xs);color:var(--amber);border:1px solid #ecdcbb;margin-top:15px;padding:10px 12px;line-height:1.6;display:block}.relation-empty{text-align:center;height:500px;color:var(--muted);place-content:center;display:grid}.relation-empty strong{font-size:var(--fs-sm)}.relation-empty p{font-size:var(--fs-base);margin:7px 0 0}.relation-path{border-bottom:1px solid var(--line);background:var(--surface-2);min-height:38px;color:var(--muted);font-size:var(--fs-sm);align-items:center;gap:7px;padding:8px 18px;display:flex}.relation-path span:after{content:"→";color:var(--faint);margin-left:7px}.relation-path b{color:var(--navy)}.relation-path em{color:var(--muted);margin-left:auto;font-style:normal}.expansion-actions{gap:6px;display:flex}.expansion-actions button,.relation-pagination button{border:1px solid var(--line-strong);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);height:30px;font-size:var(--fs-sm);padding:0 10px}.expansion-actions button:hover,.relation-pagination button:hover:not(:disabled){border-color:var(--subtle);background:var(--surface-2)}.relation-error,.relation-source-warning{font-size:var(--fs-sm);border-bottom:1px solid;padding:9px 18px}.relation-error{background:var(--red-soft);color:var(--red);border-color:#ecc9c4}.relation-source-warning{background:var(--amber-soft);color:var(--amber);border-color:#ecdcbb}.relation-pagination{align-items:center;gap:6px;display:flex;position:absolute;bottom:10px;right:14px}.relation-pagination span{font-size:var(--fs-sm);color:var(--muted);margin-right:3px}.relation-pagination button{height:26px}.relation-pagination button:disabled{opacity:.4;cursor:not-allowed}.relation-expand-button{border-radius:var(--radius-sm);background:var(--navy);color:#fff;width:100%;font-size:var(--fs-base);border:0;margin-top:14px;padding:10px;font-weight:600}.relation-expand-button:hover:not(:disabled){background:#263a56}.relation-expand-button:disabled{opacity:.55;cursor:wait}.coauthor-drilldown{margin-top:16px;border-top:1px solid var(--line)!important;padding-top:14px!important}.coauthor-drilldown>b{font-size:var(--fs-base)}.coauthor-drilldown>p{font-size:var(--fs-xs);color:var(--subtle);margin:4px 0 9px;line-height:1.5}.coauthor-drilldown>div{flex-wrap:wrap;gap:5px;display:flex}.coauthor-drilldown button{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:var(--fs-sm);padding:5px 8px}.coauthor-drilldown button:hover{border-color:var(--subtle);background:var(--surface-2)}.coauthor-drilldown button span{margin-left:5px;color:var(--accent)!important;border:0!important;padding:0!important;font-size:15px!important;display:inline!important}.coauthor-drilldown button:disabled{opacity:.45}.relation-filter{border-bottom:1px solid var(--line);background:var(--surface);align-items:center;gap:5px;min-height:38px;padding:5px 18px;display:flex}.relation-filter button{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);height:28px;color:var(--text);font-size:var(--fs-sm);padding:0 10px}.relation-filter button.active{background:var(--navy);border-color:var(--navy);color:#fff}.relation-filter button:hover:not(.active){border-color:var(--subtle);background:var(--surface-2)}.relation-filter>span{font-size:var(--fs-xs);color:var(--subtle);margin-left:auto}.relation-filter-empty{z-index:2;border:1px solid var(--line);border-radius:var(--radius);width:240px;box-shadow:var(--shadow-lg);background:#fffffff5;padding:16px;position:absolute;top:50%;left:50%;transform:translate(-20%,-50%)}.relation-filter-empty strong,.relation-filter-empty span{display:block}.relation-filter-empty strong{font-size:var(--fs-md)}.relation-filter-empty span{font-size:var(--fs-sm);color:var(--muted);margin:5px 0 10px;line-height:1.55}.relation-filter-empty button{border-radius:var(--radius-sm);background:var(--navy);color:#fff;font-size:var(--fs-sm);border:0;padding:7px 10px}.relation-column-heads text{font-size:var(--fs-sm);fill:var(--muted);letter-spacing:.03em;font-weight:700}.relation-column-heads text:first-child{fill:var(--src-rw)}.relation-column-heads text:last-child{fill:var(--src-epmc)}@media (width<=900px){.relation-layout{grid-template-columns:1fr}.relation-detail{border-left:0;border-top:1px solid var(--line);max-height:none}.relation-canvas svg{height:auto;min-height:450px}}@media (width<=620px){.relation-toolbar{flex-direction:column;align-items:flex-start}.relation-toolbar>div:first-child span{line-height:1.5}.relation-layout{min-height:0}.relation-canvas{overflow-x:auto}.relation-canvas svg{width:100%;height:auto;min-height:300px}.relation-detail{padding:16px}.relation-boundary{align-items:flex-start}.relation-legend,.relation-coverage,.relation-pagination{margin:9px 14px;position:static}.relation-coverage{display:block}.relation-path{flex-wrap:wrap;align-items:flex-start}.relation-path em{width:100%;margin-left:0}.relation-filter{overflow-x:auto}.relation-filter button{white-space:nowrap}.relation-filter>span{display:none}.relation-filter-empty{left:330px;transform:translate(-50%,-50%)}.relation-empty{height:380px}}@media print{.relationship-graph{break-inside:avoid}.relation-layout{grid-template-columns:1fr}.relation-detail{display:none}.relation-canvas svg{height:auto}.relation-node.dimmed,.relation-edges path.dimmed{opacity:1}}