/* kit-formula.css — formule encadrée + exemple chiffré. */
.kit-formula {
  background: linear-gradient(180deg, rgba(34,211,238,0.08), rgba(34,211,238,0.02));
  border: 1px solid rgba(34,211,238,0.30);
  border-radius: 0.85rem;
  padding: 1rem 1.25rem;
  margin-block: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  box-shadow: 0 4px 16px -8px rgba(34,211,238,0.20);
}
.kit-formula-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kit-accent, #22d3ee);
  opacity: 0.85;
}
.kit-formula-expr {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 1.35rem;
  font-weight: 600;
  color: #f8fafc;
  line-height: 1.6;
}
.kit-formula-op {
  color: var(--kit-attention, #fbbf24);
  font-weight: 700;
  font-size: 1.45rem;
  padding: 0 0.1rem;
}
.kit-formula-example {
  margin-top: 0.25rem;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(255,255,255,0.10);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.95rem;
  color: #d1d5db;
}
.kit-formula-example strong {
  color: var(--kit-ok, #34d399);
  font-weight: 700;
}
.kit-formula-eg-tag {
  display: inline-block;
  font-family: inherit;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kit-attention, #fbbf24);
  background: rgba(251,191,36,0.12);
  border: 1px solid rgba(251,191,36,0.35);
  padding: 0.15rem 0.45rem;
  border-radius: 0.3rem;
}