/* ===========================
   Calculator Page Styles
   Inherits theme.css design tokens
   =========================== */

.calc-page-header {
  padding: 120px 60px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.page-headline {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin: 12px 0 16px;
  color: var(--text-primary);
}

.page-headline em {
  font-style: normal;
  color: var(--accent-gold);
}

.page-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.6;
}

/* ===========================
   Main Layout
   =========================== */

.calc-container {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 32px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 60px 80px;
  align-items: start;
}

/* ===========================
   Input Form
   =========================== */

.calc-form-panel {
  position: sticky;
  top: 100px;
}

.calc-form-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 28px;
}

.form-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

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

.input-prefix {
  position: absolute;
  left: 14px;
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
  pointer-events: none;
}

.input-suffix {
  position: absolute;
  right: 14px;
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
  pointer-events: none;
}

.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  -moz-appearance: textfield;
}

.form-input::-webkit-outer-spin-button,
.form-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-input:focus {
  border-color: var(--accent-gold);
  background: var(--bg-card);
}

.form-input.has-prefix {
  padding-left: 28px;
}

.form-input.has-suffix {
  padding-right: 28px;
}

.input-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Down payment row */
.down-payment-row {
  display: flex;
  gap: 10px;
}

.down-payment-row .input-wrap:first-child {
  flex: 1;
}

/* Down payment toggle */
.down-payment-toggle {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.dp-toggle-btn {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}

.dp-toggle-btn.active {
  background: var(--accent-gold-dim);
  border-color: rgba(244, 185, 66, 0.3);
  color: var(--accent-gold);
}

/* Loan term buttons */
.term-buttons {
  display: flex;
  gap: 8px;
}

.term-btn {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 12px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}

.term-btn:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text-secondary);
}

.term-btn.active {
  background: rgba(74, 144, 217, 0.15);
  border-color: rgba(74, 144, 217, 0.4);
  color: var(--accent-blue);
}

/* Divider */
.form-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 24px 0 20px;
}

/* ===========================
   Results Panel
   =========================== */

.calc-results-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* PITI Card */
.piti-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 28px;
}

.piti-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.piti-label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
}

.piti-term {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-blue);
  background: rgba(74, 144, 217, 0.15);
  padding: 3px 10px;
  border-radius: 100px;
}

.piti-amount {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 52px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}

.piti-per {
  font-size: 24px;
  font-weight: 400;
  color: var(--text-muted);
}

.piti-breakdown {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: 12px;
  margin-bottom: 16px;
}

.piti-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.piti-item-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.piti-item-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.piti-key-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.piti-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.piti-stat-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.piti-stat-val {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.piti-stat-highlight .piti-stat-val {
  color: var(--accent-gold);
}

/* ===========================
   Chart Card
   =========================== */

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 24px;
  position: relative;
}

.chart-card .chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.chart-card .chart-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.chart-actions {
  display: flex;
  gap: 6px;
}

.chart-view-btn {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}

.chart-view-btn.active {
  background: var(--accent-gold-dim);
  border-color: rgba(244, 185, 66, 0.3);
  color: var(--accent-gold);
}

.chart-legend {
  display: flex;
  gap: 20px;
  margin-bottom: 8px;
}

.chart-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
}

#amortChart {
  width: 100%;
  height: 100%;
  display: block;
}

/* Tooltip */
.chart-tooltip {
  position: absolute;
  background: rgba(22, 40, 68, 0.95);
  border: 1px solid rgba(244, 185, 66, 0.3);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-primary);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  backdrop-filter: blur(8px);
  z-index: 10;
  white-space: nowrap;
}

/* Hover legend */
.chart-hover-legend {
  display: none;
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 8px;
}

.chart-hover-legend.visible {
  display: block;
}

.hover-legend-year {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 8px;
}

.hover-legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.hover-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

.hover-legend-total {
  font-size: 14px;
  color: var(--text-primary);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===========================
   Schedule Table
   =========================== */

.schedule-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  overflow: hidden;
}

.schedule-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.schedule-table-wrap {
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.schedule-table th {
  padding: 10px 16px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  text-align: right;
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.schedule-table td {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: right;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.schedule-table td:first-child {
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
}

.schedule-table tbody tr:hover td {
  background: rgba(255,255,255,0.02);
}

.schedule-table td.principal-cell {
  color: var(--accent-blue);
}

.schedule-table td.interest-cell {
  color: var(--accent-gold);
}

.schedule-table td.balance-cell {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===========================
   Nav active state
   =========================== */

.nav-links a.nav-active {
  color: var(--accent-gold);
  position: relative;
}

/* ===========================
   Responsive
   =========================== */

@media (max-width: 1024px) {
  .calc-container {
    grid-template-columns: 1fr;
    padding: 0 32px 60px;
    gap: 24px;
  }
  .calc-form-panel {
    position: static;
  }
  .calc-page-header {
    padding: 110px 32px 32px;
  }
}

@media (max-width: 768px) {
  .calc-container {
    padding: 0 20px 40px;
  }
  .calc-page-header {
    padding: 100px 20px 24px;
  }
  .page-headline {
    font-size: 28px;
  }
  .piti-amount {
    font-size: 40px;
  }
  .piti-key-stats {
    grid-template-columns: 1fr 1fr;
  }
  .piti-key-stats .piti-stat:last-child {
    grid-column: 1 / -1;
  }
}