/**
 * PlainFig Calculator Styles
 *
 * Responsive two-column calculator layout, interactive inputs,
 * high-contrast results panel, amortization table, and schedule toggles.
 *
 * @package PlainFig
 */

/* -------------------------------------------------------------
 * 1. Calculator Container & Header
 * ------------------------------------------------------------- */
.pf-calculator-page {
  padding-top: var(--space-6);
  padding-bottom: var(--space-12);
}

.pf-calc-header {
  margin-bottom: var(--space-8);
}

.pf-calc-title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  color: var(--pf-navy);
  margin-bottom: var(--space-3);
  letter-spacing: -0.025em;
}

@media (min-width: 768px) {
  .pf-calc-title {
    font-size: var(--text-4xl);
  }
}

.pf-calc-lead {
  font-size: var(--text-lg);
  color: var(--pf-body);
  max-width: 48rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.pf-calc-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--pf-body);
}

.pf-calc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  background-color: #FFFFFF;
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-full);
  font-weight: var(--weight-medium);
}

.pf-calc-badge svg {
  color: var(--pf-green);
  width: 14px;
  height: 14px;
}

/* -------------------------------------------------------------
 * 2. Calculator Two-Column Grid
 * ------------------------------------------------------------- */
.pf-calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 992px) {
  .pf-calc-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

/* -------------------------------------------------------------
 * 3. Calculator Input Card
 * ------------------------------------------------------------- */
.pf-calc-inputs-card {
  background-color: #FFFFFF;
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .pf-calc-inputs-card {
    padding: var(--space-8);
  }
}

.pf-calc-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}

.pf-calc-fieldset:last-child {
  margin-bottom: 0;
}

.pf-calc-legend {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pf-navy);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pf-calc-legend::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--pf-border);
}

.pf-form-row {
  margin-bottom: var(--space-5);
}

.pf-form-row:last-child {
  margin-bottom: 0;
}

.pf-field-label-group {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.pf-field-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--pf-navy);
}

.pf-field-hint {
  font-size: var(--text-xs);
  color: var(--pf-body);
}

.pf-input-affix-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.pf-input-affix {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--pf-body);
  pointer-events: none;
  user-select: none;
}

.pf-input-affix.is-prefix {
  left: 0.875rem;
}

.pf-input-affix.is-suffix {
  right: 0.875rem;
}

.pf-calc-input {
  width: 100%;
  min-height: 48px;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-main);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--pf-navy);
  background-color: #FFFFFF;
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.pf-calc-input.has-prefix {
  padding-left: 2rem;
}

.pf-calc-input.has-suffix {
  padding-right: 2rem;
}

.pf-calc-input:focus {
  outline: none;
  border-color: var(--pf-amber);
  box-shadow: var(--shadow-focus);
}

/* Sliders */
.pf-calc-slider-wrap {
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pf-calc-slider {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--pf-border);
  border-radius: var(--radius-full);
  outline: none;
  accent-color: var(--pf-amber);
  cursor: pointer;
}

.pf-calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--pf-amber);
  border: 2px solid #FFFFFF;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.pf-calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Radio Pill Group */
.pf-term-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.pf-term-pill {
  cursor: pointer;
}

.pf-term-pill input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pf-term-pill-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  background-color: var(--pf-paper);
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--pf-navy);
  transition: var(--transition-fast);
  user-select: none;
}

.pf-term-pill input:checked + .pf-term-pill-label {
  background-color: var(--pf-navy);
  color: #FFFFFF;
  border-color: var(--pf-navy);
}

.pf-term-pill input:focus-visible + .pf-term-pill-label {
  box-shadow: var(--shadow-focus);
}

/* Advanced / Optional Toggle */
.pf-collapsible-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-main);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--pf-green);
  cursor: pointer;
  margin-top: var(--space-3);
}

.pf-collapsible-trigger:hover {
  color: var(--pf-green-dark);
}

.pf-collapsible-trigger svg {
  transition: transform var(--transition-fast);
}

.pf-collapsible-trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.pf-collapsible-content {
  display: none;
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px dashed var(--pf-border);
}

.pf-collapsible-content.is-open {
  display: block;
}

/* -------------------------------------------------------------
 * 4. Calculator Results Card (Sticky on Desktop)
 * ------------------------------------------------------------- */
.pf-calc-results-wrap {
  position: sticky;
  top: 5rem;
}

.pf-calc-results-card {
  background-color: #FFFFFF;
  border: 2px solid var(--pf-navy);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .pf-calc-results-card {
    padding: var(--space-8);
  }
}

.pf-result-hero {
  text-align: center;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--pf-border);
  margin-bottom: var(--space-6);
}

.pf-result-caption {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pf-body);
  margin-bottom: var(--space-2);
}

.pf-result-amount {
  font-family: var(--font-mono);
  font-size: 2.75rem;
  font-weight: var(--weight-extrabold);
  color: var(--pf-navy);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .pf-result-amount {
    font-size: 3.25rem;
  }
}

.pf-result-period {
  font-size: var(--text-sm);
  color: var(--pf-body);
  font-weight: var(--weight-medium);
  margin-top: var(--space-1);
}

/* Visual Proportion Breakdown Bar */
.pf-breakdown-bar-wrap {
  margin-bottom: var(--space-6);
}

.pf-breakdown-bar {
  display: flex;
  height: 12px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background-color: var(--pf-paper);
}

.pf-bar-segment {
  height: 100%;
  transition: width var(--transition-normal);
}

.pf-bar-pi { background-color: var(--pf-navy); }
.pf-bar-tax { background-color: var(--pf-green); }
.pf-bar-ins { background-color: var(--pf-amber); }
.pf-bar-pmi { background-color: #94A3B8; }

/* Breakdown Item Rows */
.pf-breakdown-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.pf-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.pf-breakdown-row.is-total {
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  padding-top: var(--space-3);
  border-top: 1px solid var(--pf-border);
  color: var(--pf-navy);
}

.pf-breakdown-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--pf-body);
}

.pf-breakdown-row.is-total .pf-breakdown-label {
  color: var(--pf-navy);
}

.pf-row-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.pf-breakdown-val {
  font-family: var(--font-mono);
  font-weight: var(--weight-semibold);
  color: var(--pf-navy);
}

/* Disclaimer text under results */
.pf-calc-disclaimer {
  font-size: var(--text-xs);
  color: var(--pf-body);
  line-height: var(--leading-normal);
  background-color: var(--pf-paper);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  border-left: 3px solid var(--pf-border);
}

/* -------------------------------------------------------------
 * 5. Amortization Schedule Table & Toggle
 * ------------------------------------------------------------- */
.pf-schedule-section {
  background-color: #FFFFFF;
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-12);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .pf-schedule-section {
    padding: var(--space-8);
  }
}

.pf-schedule-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.pf-schedule-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--pf-navy);
  margin: 0;
}

.pf-schedule-toggle-group {
  display: inline-flex;
  background-color: var(--pf-paper);
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  padding: 2px;
}

.pf-sched-btn {
  background: none;
  border: none;
  padding: 0.375rem 0.875rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--pf-body);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.pf-sched-btn.is-active {
  background-color: #FFFFFF;
  color: var(--pf-navy);
  box-shadow: var(--shadow-sm);
}

.pf-table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pf-schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  text-align: right;
}

.pf-schedule-table th,
.pf-schedule-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--pf-border);
}

.pf-schedule-table th {
  background-color: var(--pf-paper);
  font-weight: var(--weight-bold);
  color: var(--pf-navy);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pf-schedule-table th:first-child,
.pf-schedule-table td:first-child {
  text-align: left;
}

.pf-schedule-table td {
  font-family: var(--font-mono);
  color: var(--pf-navy);
}

.pf-schedule-table tr:hover td {
  background-color: #F8FAFC;
}