/* ----------------------------------------
   FINANCING CALCULATOR
   Colours come from tokens.css, so light mode follows automatically.
   ---------------------------------------- */

.calc {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Mode switching relies on [hidden], which an explicit display would override. */
.calc [hidden] {
  display: none;
}

.calc__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.calc__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
}

.calc__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* Segmented control */
.calc__modes {
  display: flex;
  gap: 2px;
  padding: 3px;
  margin-bottom: var(--space-xl);
  background: var(--color-surface2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.calc__mode {
  flex: 1;
  padding: 0.7rem 0.75rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.calc__mode:hover {
  color: var(--color-text-primary);
}

.calc__mode[aria-pressed='true'] {
  background: var(--color-primary);
  color: #06121f;
}

/* Field group */
.calc__group-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  /* --color-text-muted only reaches 2.3:1 on the light background, and this
     label is 12px, so it needs the 4.5:1 secondary token. */
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-sm) var(--space-md);
}

.calc__fields {
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.calc__field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0.9rem var(--space-md);
  cursor: text;
}

.calc__field + .calc__field {
  border-top: 1px solid var(--color-divider);
}

.calc__field-label {
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.calc__field-input {
  width: 11rem;
  border: 0;
  background: transparent;
  color: var(--color-primary-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: right;
  outline: none;
}

.calc__field-input:focus-visible {
  text-decoration: underline;
  text-decoration-color: rgb(var(--color-primary-rgb) / 0.45);
  text-underline-offset: 4px;
}

/* Result */
.calc__result {
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.calc__result-caption {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.calc__result-value {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary-text);
  margin-bottom: var(--space-sm);
}

.calc__result-note {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.calc__result-note strong {
  color: var(--color-text-primary);
  font-weight: 700;
}

.calc__error {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  padding: var(--space-lg) 0;
}

/* Interest share bar */
.calc__bar {
  display: flex;
  height: 12px;
  margin: var(--space-lg) 0 var(--space-sm);
  background: var(--color-surface3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.calc__bar-fill {
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.calc__bar-legend {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.calc__bar-legend strong {
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}

/* Stats */
.calc__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.calc__stat {
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.calc__stat-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0.25rem;
}

.calc__stat-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

/* App call to action */
.calc__cta {
  margin-top: var(--space-2xl);
  text-align: center;
}

/* ----------------------------------------
   ARTICLE
   Explains the tool for readers and gives search engines something to index.
   ---------------------------------------- */
.calc-content {
  max-width: 640px;
  margin: var(--space-4xl) auto 0;
  padding: 0 var(--space-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.7;
}

.calc-content h2 {
  margin: var(--space-2xl) 0 var(--space-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.calc-content h3 {
  margin: var(--space-xl) 0 var(--space-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.calc-content p {
  margin-bottom: var(--space-md);
}

.calc-content ul {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-lg);
  list-style: disc;
}

.calc-content li {
  margin-bottom: var(--space-sm);
}

.calc-content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}


@media (max-width: 480px) {
  .calc__result-value {
    font-size: 2.5rem;
  }

  .calc__field-input {
    width: 9rem;
  }
}