/* ==========================================================================
   calculators.css — Advanced financial calculators (BEM naming)
   --------------------------------------------------------------------------
   Shared responsive components for the four new calculator pages:
     /finance-vs-cash/  /loan-portability/  /renovation-roi/  /rent-vs-buy/
   Consistent with the site palette and the responsive rules in style.css.
   ========================================================================== */

/* ---------- Calculator page scaffold ---------- */
.calculator {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 900px) {
  .calculator {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

.calculator__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
@media (max-width: 480px) {
  .calculator__panel { padding: 16px; }
}

/* ---------- Form (BEM) ---------- */
.calculator__title {
  font-size: 1.25rem;
  color: var(--navy);
  margin: 0 0 18px;
}

.calculator__field { margin-bottom: 20px; }

.calculator__label {
  display: block;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.calculator__control-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.calculator__control-row--stacked { align-items: stretch; }

.calculator__slider {
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  cursor: pointer;
  outline-offset: 4px;
}
.calculator__slider::-moz-range-track { height: 8px; border-radius: 4px; background: var(--border); }
.calculator__slider::-moz-range-progress { height: 8px; border-radius: 4px; background: var(--blue); }
.calculator__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--navy);
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}
.calculator__slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--navy);
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}

/* Number inputs reuse the shared input styling; only sizing here. */
.calculator__input {
  font-size: 16px;
  padding: 12px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: #fff;
  width: 100%;
}
.calculator__input:focus { border-color: var(--blue); }

.calculator__input--number { width: 130px; }
.calculator__input--wide { width: 100%; }

@media (max-width: 768px) {
  .calculator__control-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .calculator__input--number { width: 100%; }
  /* Bigger tap area for the number inputs on touch screens.
     Needs input.calculator__input to match the specificity of
     style.css's input[type="number"] (0,1,1). */
  input.calculator__input,
  select.calculator__input { padding: 14px 12px; }
}

.calculator__hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.calculator__hint--output { margin-top: 0; }

.calculator__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}
@media (max-width: 480px) {
  .calculator__actions .btn { flex: 1 1 100%; }
}

/* ---------- Results (BEM) ---------- */
.calculator__results-title {
  font-size: 1.25rem;
  color: var(--navy);
  margin: 0 0 16px;
}

.calculator__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 768px) {
  .calculator__grid { grid-template-columns: 1fr; }
}

.calculator__card {
  background: #f0f6fc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.calculator__card--main {
  grid-column: 1 / -1;
  background: var(--navy);
  border-color: var(--navy);
}
.calculator__card--main .calculator__card-label { color: #bcd6f0; }
.calculator__card--main .calculator__card-value { color: #fff; font-size: 1.7rem; }
.calculator__card--good { border-color: #9ae6b4; background: #f0fff4; }
.calculator__card--good .calculator__card-value { color: var(--green); }
.calculator__card--bad { border-color: #fc8181; background: #fff5f5; }
.calculator__card--bad .calculator__card-value { color: #c53030; }

.calculator__card-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.calculator__card-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
}

/* Verdict banner ("which option wins") */
.calculator__verdict {
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 10px;
  border-left: 6px solid var(--green);
  background: #f0fff4;
  color: #22543d;
  font-weight: 600;
}
.calculator__verdict--cash {
  border-left-color: var(--blue);
  background: #eef6ff;
  color: #2a4a7f;
}
.calculator__verdict--tie {
  border-left-color: var(--text-muted);
  background: #edf2f7;
  color: var(--text);
}
.calculator__verdict--lose {
  border-left-color: #c53030;
  background: #fff5f5;
  color: #742a2a;
}

/* ---------- Charts ---------- */
.calculator__chart {
  margin: 20px 0;
}
.calculator__chart h3 {
  font-size: 0.95rem;
  color: var(--navy);
  margin: 0 0 8px;
  text-align: center;
}
.calculator__chart-canvas {
  position: relative;
  width: 100%;
  height: 260px;
}
@media (max-width: 768px) {
  .calculator__chart-canvas { height: 300px; min-height: 300px; }
}
@media (max-width: 480px) {
  .calculator__chart-canvas { height: 350px; min-height: 350px; }
}

.calculator__chart-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin: 6px 0 0;
}

/* ---------- Compare Scenarios ---------- */
.scenario-section {
  margin-top: 20px;
}
.scenario-section__title {
  font-size: 1rem;
  color: var(--navy);
  margin: 0 0 6px;
}
.scenario-section__hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 10px;
}
.scenario-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.scenario-actions input {
  flex: 1 1 180px;
  font-size: 16px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.scenario-actions .btn { flex: 0 1 auto; }
@media (max-width: 480px) {
  .scenario-actions .btn { flex: 1 1 100%; }
}

.table-scroll--scenarios {
  max-height: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table.scenario-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 420px;
}
table.scenario-table th {
  background: var(--navy);
  color: #fff;
  padding: 10px 12px;
  text-align: right;
  font-size: 0.85rem;
}
table.scenario-table th:first-child { text-align: left; }
table.scenario-table td {
  padding: 9px 12px;
  text-align: right;
  border-top: 1px solid #edf2f7;
}
table.scenario-table td:first-child {
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
}
table.scenario-table tbody tr:nth-child(even) { background: #f7fafc; }
.scenario-table__empty {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 10px 0;
  margin: 0;
}

/* ---------- Calculator hub (cross links) ---------- */
.calc-hub {
  margin-top: 20px;
  padding: 18px;
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}
.calc-hub__title {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 1rem;
}
.calc-hub__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 560px) {
  .calc-hub__list { grid-template-columns: 1fr 1fr; }
}
.calc-hub__item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  min-height: var(--touch-min);
}
.calc-hub__item a:hover {
  border-color: var(--blue);
  background: #eef6ff;
}
.calc-hub__item a::after { content: "→"; color: var(--blue); }

/* ---------- Renovation types (reference chart) ---------- */
.reno-table table.amortization { min-width: 380px; }