:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:#263b32;background:#f4f3ec;--bg:#f4f3ec;--panel:#fffef8;--soft:#eaf0e7;--fg:#263b32;--muted:#5d7064;--line:#cbd6c8;--accent:#275d45;--selected:#d9e9d9;--pdf:#a66817;--ref:#747888;--edge:#94aa99;--error:#943a2c;--shadow:#203b3012;color-scheme:light}*{box-sizing:border-box}body{margin:0;padding:16px 22px;max-width:1800px;margin:auto;font-size:13px}button,.button,input,select{font:inherit}button,.button{border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--fg);padding:6px 10px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:5px;white-space:nowrap}button:hover,.button:hover{background:var(--soft);border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.primary:hover{background:#1c4835;color:#fff}.top{justify-content:space-between;margin-bottom:14px}.brand h1{font-size:18px;margin:0;font-weight:670;letter-spacing:-.5px}.brand .muted{margin-left:7px}.muted{color:var(--muted)}h2{font-size:13px;font-weight:660;margin:0}input:not([type=checkbox]),select{min-width:0;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--fg);padding:8px 10px}input::placeholder{color:var(--muted)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}#status{min-height:32px;padding:8px 0;color:var(--muted)}#status.error,.error{color:var(--error)}.workspace{display:grid;grid-template-columns:235px minmax(320px,1fr) 330px;gap:12px;height:min(72vh,790px);min-height:530px}.library,.map-panel,.inspector{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 10px var(--shadow);overflow:hidden}.library{display:flex;flex-direction:column}.library-head{padding:12px;display:grid;gap:10px;border-bottom:1px solid var(--line)}#count{font-weight:450;color:var(--muted)}.document-list{overflow:auto;flex:1;padding:5px}.document{display:flex;width:100%;gap:9px;text-align:left;white-space:normal;justify-content:flex-start;align-items:flex-start;background:transparent;border-color:transparent;padding:9px 7px;line-height:1.4}.document.active{background:var(--selected);border-color:var(--line)}.doc-copy{min-width:0}.doc-title{display:block;overflow-wrap:anywhere}.doc-sub{display:block;font-size:10px;color:var(--muted);margin-top:3px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;flex-shrink:0}.document .dot{margin-top:5px}.web{background:var(--accent)}.pdf{background:var(--pdf)}.reference{background:var(--ref)}.map-panel{display:flex;flex-direction:column}.map-toolbar{justify-content:space-between;padding:10px;border-bottom:1px solid var(--line);font-size:11px}.map-toolbar>div{display:flex;gap:4px}.map-toolbar button{font-size:11px;padding:4px 7px}#graph-frame{flex:1;min-height:260px;position:relative;background:radial-gradient(var(--line) .7px,transparent .8px) 0 0/18px 18px}#graph{width:100%;height:100%;display:block;touch-action:none}#graph-empty{position:absolute;top:45%;width:100%;text-align:center;color:var(--muted);pointer-events:none}.graph-edge{stroke:var(--edge);stroke-width:1.4;fill:none;marker-end:url(#arrow)}.graph-edge.citation,.graph-edge.reference_candidate{stroke:var(--pdf)}.graph-edge.navigation{stroke-dasharray:4 4;opacity:.5}#arrow path{fill:var(--edge)}.graph-node{cursor:pointer;user-select:text}.graph-node text{fill:var(--fg);font-size:12px;pointer-events:none}.legend,.filters{flex-wrap:wrap;font-size:10px;gap:7px 12px;padding:8px 12px;border-top:1px solid var(--line)}.legend span{display:flex;align-items:center;gap:5px}.filters label{display:flex;align-items:center;gap:4px;cursor:pointer}.filters input{accent-color:var(--accent);margin:0}#graph-note{font-size:10px;padding:0 12px;margin:0 0 8px}.inspector{padding:16px;overflow:auto}.inspector h2{font-size:17px;line-height:1.4;margin:6px 0 8px;overflow-wrap:anywhere}.badge{display:inline-block;border:1px solid var(--line);border-radius:20px;padding:3px 7px;font-size:10px;background:var(--soft);color:var(--fg)}.source-url{display:block;font-size:11px;overflow-wrap:anywhere;margin:10px 0;color:var(--accent)}.inspector h3{font-size:12px;margin:20px 0 8px}.inspector p{font-size:12px;line-height:1.6}.warning{border-left:2px solid var(--pdf);padding-left:9px;font-size:11px!important;color:var(--muted)}.connections{display:grid;gap:5px}.connection{padding:9px 0;border-top:1px solid var(--line)}.connection button{white-space:normal;text-align:left;justify-content:flex-start;width:100%;padding:0;border:0;background:transparent;font-size:12px;color:var(--accent);line-height:1.5}.connection small{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.connection details{font-size:11px;margin-top:6px}.connection summary{cursor:pointer;color:var(--muted)}.connection blockquote{margin:7px 0;border-left:2px solid var(--line);padding:5px 8px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;max-height:180px;overflow:auto}.about{margin-top:20px;color:var(--muted);font-size:11px;max-width:1000px;line-height:1.7}.about summary{cursor:pointer}.about p{max-width:850px}a{color:var(--accent)}[hidden]{display:none!important}
:root[data-theme=dark]{--bg:#15221c;--panel:#1e3027;--soft:#283d31;--fg:#e5ece1;--muted:#a9baab;--line:#3b5141;--accent:#a4d4af;--selected:#304d3b;--pdf:#ecc17c;--ref:#bbc0d3;--edge:#6c8b73;--error:#ffb8a5;--shadow:#0003;color-scheme:dark;color:var(--fg);background:var(--bg)}:root[data-theme=dark] .primary{background:#a4d4af;color:#15221c}:root[data-theme=dark] .primary:hover{background:#c0e6c8;color:#15221c}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#15221c;--panel:#1e3027;--soft:#283d31;--fg:#e5ece1;--muted:#a9baab;--line:#3b5141;--accent:#a4d4af;--selected:#304d3b;--pdf:#ecc17c;--ref:#bbc0d3;--edge:#6c8b73;--error:#ffb8a5;--shadow:#0003;color-scheme:dark;color:var(--fg);background:var(--bg)}:root:not([data-theme=light]) .primary{background:#a4d4af;color:#15221c}}
@media(max-width:1150px){.workspace{grid-template-columns:200px minmax(280px,1fr) 280px}.brand .muted{display:none}}@media(max-width:850px){body{padding:12px}.workspace{grid-template-columns:190px 1fr;height:auto;min-height:0}.map-panel{height:540px}.library{height:540px}.inspector{grid-column:1/-1;max-height:620px}.top{align-items:flex-start}.tools{gap:5px}.tools button,.tools .button{font-size:11px;padding:5px}}@media(max-width:520px){.top{gap:8px}.brand h1{font-size:16px}.brand img{width:22px}.tools{flex-wrap:wrap;justify-content:flex-end;max-width:165px}.workspace{display:flex;flex-direction:column}.map-panel{order:0;height:460px;flex:none}.library{order:1;height:240px;flex:none}.inspector{order:2;max-height:none}.library-head{grid-template-columns:1fr 1fr;gap:7px}.library-head h2{grid-column:1/-1}.library-head input,.library-head select{font-size:11px;width:100%}.graph-node text{font-size:13px}.map-toolbar{font-size:10px}.map-toolbar button{font-size:10px}}

.top,.brand,.tools,.map-toolbar,.legend,.filters{display:flex;align-items:center;gap:10px}

/* Full network: small nodes preserve topology; labels disclose on inspection or zoom. */
.graph-node circle{fill:var(--panel);stroke:var(--accent);stroke-width:1.7}
.graph-node.pdf circle{fill:var(--pdf);stroke:var(--pdf)}
.graph-node.reference circle{fill:var(--panel);stroke:var(--ref);stroke-dasharray:2 2}
.graph-node.inspected circle{fill:var(--accent);stroke:var(--fg);stroke-width:1.5}
.graph-node.selected circle{stroke:var(--fg);stroke-width:3;fill:var(--pdf)}
.graph-node .network-label{display:none;font-size:12px;fill:var(--fg);stroke:var(--panel);stroke-width:4px;paint-order:stroke;stroke-linejoin:round}
.graph-node.inspected .network-label,.graph-node.selected .network-label,.graph-node:hover .network-label,.graph-node:focus .network-label,.detail-zoom .network-label{display:block}
.graph-node:hover circle,.graph-node:focus circle{stroke:var(--fg);stroke-width:3}
.graph-edge{stroke-width:1;opacity:.65}.graph-edge.incident{stroke-width:1.8;opacity:1}.graph-edge.navigation{opacity:.35}
#graph-note{min-height:28px;overflow-wrap:anywhere}

.collection-picker{display:flex;gap:10px;align-items:center}.collection-picker select{max-width:100%}.rank-score{display:block;font-size:11px;color:var(--accent);margin-bottom:3px}#ranking-note{font-size:10px;line-height:1.4;margin:0}#order,#ranking-note{grid-column:1/-1}.node-metrics{display:grid;grid-template-columns:1fr auto;gap:6px;font-size:11px;border-block:1px solid var(--line);padding:10px 0}.node-metrics dt{color:var(--muted)}.node-metrics dd{margin:0;font-weight:650}.graph-edge.database_citation{stroke:var(--pdf)}@media(max-width:520px){.collection-picker{font-size:11px}.collection-picker select{min-width:0;flex:1}}