.zcalc-sidebar.is-collapsed { display: none; }

.zcalc-section-muted {
  background: rgba(0,0,0,0.02);
  border-radius: 4px;
  padding: 8px;
}

.fs-6 { font-size: 1.05rem !important; }

/* Ocultar completamente resizer e borda quando sidebar-hidden */
.sidebar-hidden .sidebar,
.sidebar-hidden .resizer {
  width: 0 !important;
  min-width: 0 !important;
  overflow: hidden !important;
  border: 0 !important;
  display: none !important;
}