.stage-group {
  display: grid;
  gap: 6px;
}
.stage-heading {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.stage-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.025);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}
.stage-toggle.active { color: var(--text); background: rgba(255,255,255,.07); }
.stage-toggle.partial { color: var(--stage-color, var(--semantic)); }
.stage-toggle b { font-size: 9px; }
.facet-controls {
  display: grid;
  gap: 5px;
  padding-left: 8px;
  border-left: 1px solid var(--stage-color, var(--line));
}
.stage-chip { font-weight: 800; color: var(--stage-color); }
.stage-chip.active { color: var(--stage-color); border-color: var(--stage-color); background: color-mix(in srgb, var(--stage-color) 14%, transparent); }
.stage-chip + button[data-layer] { margin-left: 3px; }
@media (max-width: 760px) {
  .top-actions { align-items: center; }
  .graph-picker { display: block; height: 28px; }
  .graph-picker span { display: none; }
  .graph-picker select { height: 28px; padding-top: 0; padding-bottom: 0; line-height: 28px; }
  .mobile-layer-bar {
    flex-direction: column;
    align-items: flex-start;
    flex-wrap: nowrap;
  }
  .mobile-stage-row,
  .mobile-facet-row,
  .mobile-utility-row {
    display: flex;
    gap: 5px;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    position: relative;
    z-index: 3;
  }
  .mobile-stage-row::-webkit-scrollbar,
  .mobile-facet-row::-webkit-scrollbar,
  .mobile-utility-row::-webkit-scrollbar { display: none; }
  .mobile-stage-row .mlb-btn,
  .mobile-facet-row .mlb-btn { flex: 0 0 auto; }
  .mobile-facet-row .mlb-btn { padding-left: 8px; padding-right: 8px; }
  .mobile-stage-row .stage-chip { border-width: 1.5px; }
  .mobile-facet-row { padding-top: 10px; position: relative; overflow: visible; }
  .facet-connector { display: block; position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 2; }
  .facet-connector path { fill: none; stroke: var(--stage-color, var(--semantic)); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; opacity: .92; }
  .facet-connector path.hidden { display: none; }
  .facet-connector.hidden { display: none; }
  .mobile-utility-row { width: auto; }
}
@media (min-width: 761px) { .facet-connector { display: none; } }