/* michaelis-menten — tool CSS. Chunk 5b retired the layout rules
   (segmented, example row, safety note, data table wrappers,
   graph grid, unit toggle, check labels, range sizing, plain line
   and warning line) onto the design system (§28 simulator layout).
   What is left here is tool-specific: the model assumption line
   under the graphs. */
.tool-body .assumptions {
  font-size: 14px;
  color: var(--lg-muted);
  margin: 8px 0 0;
}