.wb-grid{display:grid;grid-template-columns:minmax(260px,320px) minmax(300px,1fr) minmax(340px,1.15fr);gap:var(--sp-3);align-items:stretch;margin-bottom:var(--sp-4);transition:grid-template-columns .2s}
.wb-grid.left-collapsed{grid-template-columns:44px minmax(300px,1fr) minmax(340px,1.15fr)}
.wb-pane{background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:12px;min-width:0;display:flex;flex-direction:column;overflow:hidden}
.wb-right{background:transparent;border:0;overflow:visible}
.wb-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--border-subtle);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted)}
.wb-body{padding:12px;overflow:auto;max-height:560px}
.wb-collapse{background:none;border:1px solid var(--border-default);color:var(--text-secondary);border-radius:6px;cursor:pointer;padding:2px 8px}
.wb-grid.left-collapsed .wb-left .wb-body,.wb-grid.left-collapsed .wb-left .wb-head span{display:none}
.wb-grid.left-collapsed .wb-left .wb-head{justify-content:center;padding:8px 4px}
.wb-grid .lab-guide,.wb-grid .panel{margin-bottom:var(--sp-3)}
.topo-svg{width:100%;height:auto;display:block}.topo-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.topo-chip{font-family:var(--font-mono);font-size:12px;background:var(--bg-inset);border:1px solid var(--border-default);color:var(--text-secondary);border-radius:999px;padding:3px 10px}
.topo-legend{display:flex;gap:14px;font-size:12px;color:var(--text-muted);margin-top:8px;flex-wrap:wrap}
@media (max-width:1180px){.wb-grid,.wb-grid.left-collapsed{grid-template-columns:minmax(240px,300px) 1fr}.wb-right{grid-column:1/-1}}
@media (max-width:760px){.wb-grid,.wb-grid.left-collapsed{grid-template-columns:1fr}.wb-body{max-height:none}.wb-grid.left-collapsed .wb-left .wb-body{display:none}}
.wb-grid.wb-wide{grid-template-columns:minmax(340px,1.1fr) minmax(240px,.7fr) minmax(340px,1fr)}.wb-grid.wb-wide.left-collapsed{grid-template-columns:44px minmax(240px,.8fr) minmax(340px,1.2fr)}
@media (max-width:1180px){.wb-grid.wb-wide,.wb-grid.wb-wide.left-collapsed{grid-template-columns:1fr 1fr}.wb-wide .wb-right{grid-column:1/-1}}@media (max-width:760px){.wb-grid.wb-wide,.wb-grid.wb-wide.left-collapsed{grid-template-columns:1fr}}