/* ==========================================================================
   Shared calculator styles (loan + APY calculators)
   Same look as the paycheck calculator; uses the design tokens from all.css.
   ========================================================================== */

main.calc-main {
  min-height: auto;
  padding: var(--space-xl) var(--space-md) var(--space-3xl);
  align-items: stretch;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.calc-hero {
  text-align: center;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.calc-hero h1 {
  font-size: clamp(1.8rem, 1rem + 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

.calc-hero p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Layout --- */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  animation: fadeInUp 0.6s var(--ease-out) 0.1s both;
}

.calc-layout > * {
  min-width: 0;
}

@media (min-width: 861px) {
  .results-panel {
    position: sticky;
    top: var(--space-md);
  }
}

@media (max-width: 860px) {
  .calc-layout {
    grid-template-columns: 1fr;
  }
}

/* --- Card --- */
.calc-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-body {
  padding: var(--space-xl);
}

@media (max-width: 500px) {
  .card-body {
    padding: var(--space-lg);
  }
}

.q-header {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 var(--space-lg);
  line-height: 1.3;
}

.q-header:not(:first-child) {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.q-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: calc(-1 * var(--space-md)) 0 var(--space-lg);
  line-height: 1.5;
}

/* --- Form --- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-row.full {
  grid-template-columns: 1fr;
}

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 0;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.85rem;
  margin: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  outline: none;
  width: 100%;
  min-width: 0;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--glow-accent);
}

.form-group input[aria-invalid="true"] {
  border-color: #e85d75;
}

.field-pair {
  display: flex;
  gap: var(--space-sm);
}

.field-pair > :first-child {
  flex: 1;
  min-width: 0;
}

.field-pair select {
  width: auto;
}

.affix {
  position: relative;
}

.affix .prefix,
.affix .suffix {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  pointer-events: none;
  font-weight: 500;
}

.affix .prefix { left: 0.85rem; }
.affix .suffix { right: 0.85rem; }
.affix.has-prefix input { padding-left: 1.6rem; }
.affix.has-suffix input { padding-right: 2rem; }

/* --- Buttons --- */
.card-footer {
  padding: 0 var(--space-xl) var(--space-xl);
  display: flex;
  gap: var(--space-sm);
}

@media (max-width: 500px) {
  .card-footer {
    padding: 0 var(--space-lg) var(--space-lg);
  }
}

.calc-card .calc-btn,
.calc-card .reset-btn {
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.calc-card .calc-btn {
  flex: 1;
  padding: 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  background: var(--color-accent);
  color: #fff;
}

.calc-card .calc-btn:hover:not(:disabled) {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 172, 254, 0.25);
}

.calc-card .reset-btn {
  padding: 0.85rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
}

.calc-card .reset-btn:hover:not(:disabled) {
  border-color: var(--color-border-hover);
  color: var(--color-text);
  background: var(--color-surface);
  transform: none;
  box-shadow: none;
}

/* --- Results --- */
.results-card-inner {
  padding: var(--space-xl);
}

@media (max-width: 500px) {
  .results-card-inner {
    padding: var(--space-lg);
  }
}

.results-empty {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hero-number {
  text-align: center;
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.hero-amount {
  font-size: clamp(2rem, 1.4rem + 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: 0.5rem 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-border);
}

.breakdown-row:last-child {
  border-bottom: none;
}

.breakdown-row.total-row {
  font-weight: 700;
  font-size: 0.9rem;
  padding-top: var(--space-md);
  margin-top: var(--space-xs);
  border-top: 2px solid var(--color-border);
  border-bottom: none;
}

.breakdown-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
}

.total-row .breakdown-label {
  color: var(--color-text);
}

.breakdown-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.breakdown-value {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-align: right;
}

.breakdown-value.negative { color: #e85d75; }
.breakdown-value.positive { color: var(--color-accent); }
.breakdown-value.gain { color: #34c38f; }

/* split bar: how the total divides between two parts */
.split-bar {
  display: flex;
  height: 12px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--color-surface);
  margin: var(--space-sm) 0 var(--space-md);
  gap: 2px;
}

.split-bar span {
  display: block;
  height: 100%;
  min-width: 2px;
  transition: width var(--duration-normal) var(--ease-out);
}

/* chart series colors (checked for colorblind separation in light and dark) */
:root {
  --series-a: #4facfe;
  --series-c: #34c38f;
}

body.dark-mode {
  --series-a: #3a98e6;
  --series-c: #28ad7c;
}

.dot-a { background: var(--series-a); }
.dot-b { background: #e85d75; }
.dot-c { background: var(--series-c); }

/* --- Growth chart (stacked bars by year) --- */
.chart {
  margin: var(--space-sm) 0 var(--space-lg);
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chart-legend b {
  color: var(--color-text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.chart-legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}

.chart-plot {
  position: relative;
  height: 180px;
  margin-left: 3rem;
  border-bottom: 1px solid var(--color-border-hover);
}

.chart-grid {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed var(--color-border);
  pointer-events: none;
}

.chart-grid span {
  position: absolute;
  right: calc(100% + 6px);
  top: -0.6em;
  font-size: 0.68rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.chart-bars {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  gap: var(--bar-gap, 4px);
}

.chart-col {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
  max-width: 40px;
  margin: 0 auto;
  cursor: default;
}

.chart-col .seg {
  display: block;
  width: 100%;
  min-height: 0;
}

.chart-col .seg:first-child {
  border-radius: 4px 4px 0 0;
}

.chart-col:hover .seg,
.chart-col.is-hover .seg {
  filter: brightness(1.12);
}

.chart-x {
  display: flex;
  justify-content: space-between;
  margin-left: 3rem;
  margin-top: 4px;
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

.chart-tip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-sm);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  padding: 0.45rem 0.6rem;
  font-size: 0.75rem;
  line-height: 1.5;
  white-space: nowrap;
  transform: translate(-50%, calc(-100% - 8px));
  font-variant-numeric: tabular-nums;
}

.chart-tip strong {
  display: block;
}

.chart-tip i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  display: inline-block;
  margin-right: 5px;
}

/* --- "What your interest could buy" --- */
.buys {
  margin-top: var(--space-lg);
}

.buys-title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-sm);
}

.buys-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.buy {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  min-width: 0;
}

.buy-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex: none;
}

.buy-text {
  min-width: 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.buy-text b {
  display: block;
  font-size: 1rem;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.buys-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin: var(--space-sm) 0 0;
}

.callout {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  line-height: 1.5;
}

.callout strong {
  color: var(--color-accent);
}

/* --- Schedule table --- */
.schedule {
  margin-top: var(--space-lg);
}

.schedule summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-sm) 0;
}

.table-scroll {
  overflow-x: auto;
  margin-top: var(--space-sm);
}

.schedule table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.schedule th,
.schedule td {
  padding: 0.4rem 0.5rem;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

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

.schedule th {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.copied {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  min-height: 1.2em;
  margin: 0 var(--space-xl) var(--space-md);
}

/* --- Animations --- */
@keyframes resultsFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.results-content {
  animation: resultsFadeIn 0.3s var(--ease-out) both;
}

.disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: var(--space-2xl) auto 0;
  max-width: 700px;
}

@media (prefers-reduced-motion: reduce) {
  .calc-hero,
  .calc-layout,
  .results-content,
  .split-bar span {
    animation: none;
    transition: none;
  }
}