/* 知识图谱三栏布局 */
.explore-layout {
  display: grid; grid-template-columns: 260px 1fr 320px;
  height: calc(100vh - 52px);
}
#sidebar, #detail { background: var(--card); padding: 14px; overflow-y: auto; }
#sidebar { border-right: 1px solid var(--line); }
#detail { border-left: 1px solid var(--line); }
#q, .filters select {
  width: 100%; padding: 9px 10px; margin-bottom: 8px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink); font-size: 14px;
}
.filters { display: grid; gap: 6px; }
.topic-list { margin-top: 10px; font-size: 14px; }
.topic-list .group { color: var(--muted); font-size: 12px; margin: 10px 0 4px; }
.topic-list a { display: block; padding: 5px 8px; border-radius: 8px; color: var(--ink); }
.topic-list a:hover { background: var(--teal-soft); text-decoration: none; }
.topic-list a.active { background: var(--teal-soft); color: var(--teal); font-weight: 600; }
#graph-pane { position: relative; }
#cy { position: absolute; inset: 44px 0 0 0; }
.graph-tools {
  position: absolute; top: 0; left: 0; right: 0; height: 44px;
  display: flex; align-items: center; gap: 16px; padding: 0 14px;
  background: var(--card); border-bottom: 1px solid var(--line); font-size: 13px;
}
#detail-body h3 { margin: 4px 0 8px; }
#detail-body .meta { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
#detail-body section { margin: 12px 0; }
#detail-body h4 { margin: 0 0 6px; font-size: 14px; color: var(--teal); }
#detail-body ul { margin: 0; padding-left: 18px; }
#detail-body li { margin: 3px 0; font-size: 14px; }
.edge-line { font-size: 13px; margin: 2px 0; }
.edge-line .hard { color: var(--bad); font-weight: 600; }
.edge-line .soft { color: var(--muted); }
@media (max-width: 900px) {
  .explore-layout { grid-template-columns: 1fr; height: auto; }
  #graph-pane { height: 55vh; }
  #sidebar, #detail { border: none; border-bottom: 1px solid var(--line); }
}