/* ==========================================================================
   CALCULATORS PAGE
   ========================================================================== */

.calc-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.calc-tab {
  padding: 14px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--slate);
  border-bottom: 2px solid transparent;
  transform: translateY(1px);
}
.calc-tab:hover { color: var(--ink); }
.calc-tab.is-active {
  color: var(--signal-deep);
  border-bottom-color: var(--signal);
}

.calc-panel { display: none; }
.calc-panel.is-active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.calc-result {
  background: var(--ink);
  color: var(--paper);
  padding: 40px;
  border-radius: var(--radius);
  position: sticky;
  top: 100px;
}

.calc-result-label {
  display: block;
  font-size: 0.82rem;
  color: var(--slate-light);
  margin-bottom: 8px;
}

.calc-result-value {
  display: block;
  font-size: 2.6rem;
  color: var(--signal);
  font-weight: 600;
  margin-bottom: 24px;
}

.calc-breakdown {
  border-top: 1px solid var(--hairline-dark);
  padding-top: 16px;
}

.calc-breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--slate-light);
}
.calc-breakdown-row span:last-child { color: var(--paper); }

.calc-disclaimer {
  font-size: 0.74rem;
  color: var(--slate-light);
  opacity: 0.75;
  margin-top: 20px;
  line-height: 1.5;
}

@media (max-width: 800px) {
  .calc-grid { grid-template-columns: 1fr; gap: 30px; }
  .calc-result { position: static; }
}