.result-formula {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue);
  text-align: center;
  margin-bottom: 1.25rem;
  word-break: break-all;
}

.steps-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.step-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text);
  padding: 0.3rem 0.5rem;
  background: var(--bg);
  border-radius: 4px;
}

.step-divisor {
  color: var(--blue);
  font-weight: 700;
  min-width: 2.5em;
  text-align: right;
}

.step-op { color: var(--text-sub); }

.step-result { font-weight: 600; }

.step-prime {
  font-size: 0.75rem;
  color: var(--green, #22c55e);
  margin-left: 0.25rem;
}