/* Calculator-component voor /kosten. */

.kosten-calc {
  /* Variant D: lichtblauw paneel — dezelfde tint als logo-blob en hero. */
  background: var(--color-bg-blue);
  border-radius: var(--radius-md, 12px);
  box-shadow: var(--shadow-card);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  /* tabular-nums: alle cijfers even breed zodat sliden geen layout-shift geeft. */
  font-variant-numeric: tabular-nums;
}
.kosten-calc h2 {
  margin: 0 0 var(--space-md);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}

.kosten-calc input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  /* Licht- naar donkergroen, afgeleid van palet-groen #b9d26e. */
  background: linear-gradient(90deg, #d4e08e, #6b8d3e);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}
.kosten-calc input[type="range"]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}
.kosten-calc input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: white;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.kosten-calc input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: white;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
}
.kosten-calc .slider-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.kosten-calc .slider-meta .current { font-size: 1rem; }
.kosten-calc .slider-meta .current strong {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.breakdown-col {
  /* Wit binnen het lichtblauwe panel voor visuele scheiding. */
  background: white;
  border-radius: var(--radius-md, 12px);
  padding: var(--space-md);
}
.breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9375rem;
}
.breakdown-row span:first-child { color: var(--color-text-muted); }
.breakdown-row span:last-child {
  color: var(--color-primary-dark);
  font-weight: 600;
  white-space: nowrap;
}
.breakdown-total {
  border-top: 2px solid var(--color-border-soft);
  margin-top: var(--space-sm);
  padding-top: var(--space-md);
}
.breakdown-total span {
  font-size: 1.125rem !important;
  font-weight: 800 !important;
}

@media (max-width: 720px) {
  .calc-grid { grid-template-columns: 1fr; }
}