/* Finance layout family — shared design system (ui-* / tool-* / viz-*) */

:root {
  --ui-bg: #ffffff;
  --ui-surface: #ffffff;
  --ui-muted-bg: #f6f9fc;
  --ui-text: #0f172a;
  --ui-text-2: #64748b;
  --ui-border: #e8eef5;
  --ui-primary: #1a73e8;
  --ui-primary-soft: #e8f1fd;
  --ui-primary-deep: #1557b0;
  --ui-accent: #00b386;
  --ui-accent-soft: #e6f8f3;
  --viz-invested: #c9d7eb;
  --ui-radius: 16px;
  --ui-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.04);
  --ui-space: clamp(1.25rem, 3vw, 2rem);
  --ui-max: var(--ds-container-calc, 1120px);
}

*, *::before, *::after { box-sizing: border-box; }

body.layout-family-finance,
.exp-body.exp-sip {
  margin: 0;
  color: var(--ui-text);
  background: var(--ui-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.exp-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ui-primary);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.exp-skip:focus { left: 0.5rem; top: 0.5rem; }

.exp-banner {
  border-bottom: 1px solid var(--ui-border);
  background: var(--ui-bg);
  position: sticky;
  top: 0;
  z-index: 40;
}
.exp-banner__inner {
  max-width: var(--ui-max);
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}
.exp-banner__brand {
  font-weight: 700;
  color: var(--ui-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.exp-banner__badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ui-primary-deep);
  background: var(--ui-primary-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}
.exp-banner__prod {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--ui-text-2);
  text-decoration: none;
}
.exp-banner__prod:hover { color: var(--ui-primary); }

.exp-footer {
  max-width: var(--ui-max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  color: var(--ui-text-2);
  font-size: 0.875rem;
  border-top: 1px solid var(--ui-border);
}
.exp-footer a { color: var(--ui-primary); }

.ui-wrap {
  /*max-width: var(--ui-max);*/
  margin: 0 auto;
  /*padding-left: 1.25rem;
  padding-right: 1.25rem;*/
}

.ui-hero {
  padding: clamp(1.75rem, 4vw, 0.75rem) 0 0.5rem;
}
.ui-hero__eyebrow {
  display: none;
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ui-accent);
}
.ui-hero h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.ui-hero__lead {
  margin: 0;
  /*max-width: 36rem;*/
  color: var(--ui-text-2);
  font-size: 1.0625rem;
}

.tool-workspace {
  padding: 1.25rem 0 0.5rem;
}
.tool-workspace__grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

.ui-card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow);
  padding: 1.35rem 1.35rem 1.5rem;
}
.ui-card__title {
  margin: 0 0 1.35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.ui-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}
.ui-card__head .ui-card__title {
  margin: 0;
}
.ui-reset-badge {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--ui-border);
  background: var(--ui-surface);
  color: var(--ui-text-2);
  cursor: pointer;
  line-height: 1.4;
}
.ui-reset-badge:hover {
  color: var(--ui-text);
  border-color: var(--ui-primary);
  background: var(--ui-primary-soft);
}
.ui-reset-badge:focus-visible {
  outline: 2px solid var(--ui-primary);
  outline-offset: 2px;
}
.ui-card__head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  /*margin-bottom: 1.25rem;*/
}
.ui-card__head-row h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.ui-field { margin-bottom: 1.35rem; }
.ui-field__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}
.ui-field label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ui-text);
}
.ui-field__value {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  background: var(--ui-primary-soft);
  border-radius: 10px;
  padding: 0.35rem 0.65rem;
  border: 1px solid transparent;
}
.ui-field__value:focus-within {
  border-color: var(--ui-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}
.ui-field__value input {
  width: 5.5rem;
  border: 0;
  background: transparent;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ui-primary-deep);
  text-align: right;
  outline: none;
}
.ui-field__value--pct input,
.ui-field__value--yrs input { width: 3.25rem; }
.ui-suffix {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ui-primary);
}

.ui-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--ui-primary) var(--ui-range-fill, 50%), #e2e8f0 var(--ui-range-fill, 50%));
  outline: none;
  cursor: pointer;
}
.ui-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--ui-primary);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.15);
  cursor: grab;
}
.ui-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--ui-primary);
  cursor: grab;
}
.ui-hint {
  margin: 0.45rem 0 0;
  font-size: 0.75rem;
  color: var(--ui-text-2);
}

.ui-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
.ui-chip {
  border: 1px solid var(--ui-border);
  background: #fff;
  color: var(--ui-text-2);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 560;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.ui-chip:hover { border-color: var(--ui-primary); color: var(--ui-primary); }
.ui-chip.is-active {
  background: var(--ui-primary-soft);
  border-color: var(--ui-primary);
  color: var(--ui-primary-deep);
}

.ui-card--result {
  background: linear-gradient(180deg, #fbfdff 0%, #fff 40%);
  min-height: 280px;
}
.tool-result__label {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ui-text-2);
}
.tool-result__primary {
  margin: 0.25rem 0 0.15rem;
  font-size: clamp(1.85rem, 5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ui-text);
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.tool-result__sub {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--ui-text-2);
}

.viz-donut-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1.25rem;
}
.viz-donut { width: 140px; height: 140px; flex-shrink: 0; }
.viz-donut__track {
  fill: none;
  stroke: #eef2f7;
  stroke-width: 14;
}
.viz-donut__invested,
.viz-donut__gains {
  fill: none;
  stroke-width: 14;
  stroke-linecap: butt;
  transform: rotate(-90deg);
  transform-origin: 80px 80px;
  transition: stroke-dasharray 0.35s ease, stroke-dashoffset 0.35s ease;
}
.viz-donut__invested { stroke: var(--viz-invested); }
.viz-donut__gains { stroke: var(--ui-accent); }
.viz-donut__center-label {
  font-size: 11px;
  fill: var(--ui-text-2);
  text-anchor: middle;
}
.viz-donut__center-value {
  font-size: 18px;
  font-weight: 700;
  fill: var(--ui-text);
  text-anchor: middle;
}
.viz-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.875rem;
  color: var(--ui-text-2);
}
.viz-legend strong { color: var(--ui-text); font-weight: 650; }
.viz-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 0.35rem;
  vertical-align: middle;
}
.viz-swatch--invested { background: var(--viz-invested); }
.viz-swatch--gains { background: var(--ui-accent); }

.tool-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.tool-summary__item {
  background: var(--ui-muted-bg);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
}
.tool-summary__item--gain {
  background: var(--ui-accent-soft);
}
.tool-summary__k {
  display: block;
  font-size: 0.75rem;
  color: var(--ui-text-2);
  margin-bottom: 0.2rem;
}
.tool-summary__item--gain .tool-summary__k { color: #0d8a68; }
.tool-summary__v {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ui-text);
}
.tool-summary__item--gain .tool-summary__v { color: #008f6b; }

.ui-result-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ui-border);
}
.ui-result-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ui-primary);
  background: transparent;
  border: 1px solid var(--ui-border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.ui-result-action:hover {
  background: var(--ui-primary-soft);
  border-color: var(--ui-primary);
}
.ui-result-action:focus-visible {
  outline: 2px solid var(--ui-primary);
  outline-offset: 2px;
}
.ui-result-action-feedback {
  font-size: 0.8125rem;
  color: var(--ui-accent);
  min-height: 1.25rem;
}

.ui-section {
  padding: clamp(0.25rem, 4vw, 0.75rem) 0;
}
.ui-section--muted { background: var(--ui-muted-bg); }
.ui-section h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

/* Flat SIP page — full-bleed muted bands (no page-shell wrapper) */
body.finance-page .ui-section--muted {
  padding-inline: 0;
}
body.finance-page .ui-hero .breadcrumb-nav {
  margin: 0 0 0.45rem;
  padding: 0;
}
body.finance-page .ui-hero .breadcrumb {
  font-size: 0.6875rem;
  font-weight: 400;
  margin: 0;
  color: var(--ui-text-2);
  opacity: 0.85;
}
body.finance-page .ui-hero .breadcrumb-item a {
  color: var(--ui-text-2);
  font-weight: 400;
}
body.finance-page .ui-hero .breadcrumb-item a:hover {
  color: var(--ui-primary);
}
body.finance-page .ui-hero .breadcrumb-item.active {
  color: var(--ui-text-2);
  font-weight: 400;
}
body.finance-page .ui-hero .breadcrumb-item + .breadcrumb-item::before {
  color: var(--ui-text-2);
  opacity: 0.65;
}

/* De-emphasized decimal portion in animated numbers */
.ui-num-dec {
  font-size: 0.75em;
  color: var(--ui-text-2);
  font-weight: 500;
}

/* Native number spinners off (experiment uses type=number) */
.ui-field__value input[type="number"]::-webkit-outer-spin-button,
.ui-field__value input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.ui-field__value input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}
.ui-field__value input[type="number"]:focus,
.ui-field__value input[type="number"]:focus-visible {
  outline: none;
}


/* FAQ accordion + finance content sections */
body.finance-page .content-section.ui-section {
  padding: clamp(1.75rem, 4vw, 2.5rem) 0;
}
body.finance-page .content-section.ui-section .section-heading {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
body.finance-page .faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--ui-border);
  border-radius: 12px !important;
  margin-bottom: 0.65rem;
  overflow: hidden;
}
body.finance-page .faq-accordion .accordion-button {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  padding: 1rem 1.1rem;
  min-height: 3.25rem;
  background-color: #fff;
  color: var(--ui-text);
  box-shadow: none;
}
body.finance-page .faq-accordion .accordion-button:not(.collapsed) {
  background-color: var(--ui-primary-soft);
  color: var(--ui-primary);
}
body.finance-page .faq-accordion .accordion-button::after {
  width: 1rem;
  height: 1rem;
  background-size: 1rem;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
body.finance-page .faq-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
}
body.finance-page .faq-accordion .accordion-collapse {
  transition: height 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
body.finance-page .faq-accordion .accordion-body {
  padding: 0 1.1rem 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ui-text-2);
  background-color: #fff;
}
body.finance-page .faq-accordion .accordion-body p {
  margin: 0 0 0.85rem;
}
body.finance-page .faq-accordion .accordion-body p:last-child {
  margin-bottom: 0;
}

/* Educational reading block — separates body copy from muted FAQ band */
.ui-reading-section {
  background: var(--ui-bg);
}
.ui-reading {
  background: #fff;
  border: 1px solid var(--ui-border);
  border-left: 4px solid var(--ui-accent);
  border-radius: 12px;
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 1.85rem);
  box-shadow: var(--ui-shadow);
  max-width: 42rem;
}
.ui-reading__title {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--ui-text);
}
.ui-reading__body {
  color: var(--ui-text-2);
  font-size: 0.9375rem;
  line-height: 1.65;
}
.ui-reading__body h2,
.ui-reading__body h3 {
  color: var(--ui-text);
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 650;
}
.ui-reading__body h2:first-child,
.ui-reading__body h3:first-child {
  margin-top: 0;
}
.ui-reading__body p {
  margin: 0 0 0.85rem;
}
.ui-reading__body p:last-child {
  margin-bottom: 0;
}

.ui-related--also {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
@media (min-width: 600px) {
  .ui-related--also { grid-template-columns: repeat(2, 1fr); }
}

.ui-prose p { color: var(--ui-text-2); /*max-width: 42rem; */ }
.ui-prose strong { color: var(--ui-text); }
.ui-muted { margin: 0; color: var(--ui-text-2); font-size: 0.875rem; }

.tool-formula {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 1rem 1.15rem;
  background: #fff;
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  font-size: 0.9rem;
}
.tool-formula code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ui-text);
}

.viz-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.35rem;
  min-height: 180px;
  padding-top: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.viz-bar {
  flex: 1 0 28px;
  min-width: 22px;
  max-width: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}
.viz-bar__stack {
  width: 100%;
  height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: 6px 6px 0 0;
  overflow: hidden;
  background: #f1f5f9;
}
.viz-bar__invested {
  background: var(--viz-invested);
  width: 100%;
  transition: height 0.3s ease;
}
.viz-bar__gains {
  background: var(--ui-accent);
  width: 100%;
  transition: height 0.3s ease;
}
.viz-bar__label {
  font-size: 0.65rem;
  color: var(--ui-text-2);
  white-space: nowrap;
}

.ui-examples {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 700px) {
  .ui-examples { grid-template-columns: repeat(3, 1fr); }
}
.ui-example {
  text-align: left;
  border: 1px solid var(--ui-border);
  background: #fff;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  cursor: pointer;
  font: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ui-example:hover {
  border-color: var(--ui-primary);
  box-shadow: var(--ui-shadow);
}
.ui-example.is-active {
  border-color: var(--ui-primary);
  background: var(--ui-primary-soft);
  box-shadow: inset 0 0 0 1px var(--ui-primary);
}
.ui-example__t {
  display: block;
  font-weight: 650;
  font-size: 0.9375rem;
  margin-bottom: 0.35rem;
  color: var(--ui-text);
}
.ui-example__d {
  display: block;
  font-size: 0.8125rem;
  color: var(--ui-text-2);
  line-height: 1.4;
}

.ui-related {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
@media (min-width: 600px) {
  .ui-related { grid-template-columns: repeat(2, 1fr); }
}
.ui-related a {
  display: block;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--ui-text);
  font-weight: 560;
  background: #fff;
  transition: border-color 0.15s, color 0.15s;
}
.ui-related a:hover {
  border-color: var(--ui-primary);
  color: var(--ui-primary);
}

.exp-ad {
  margin: 1rem 0 0;
}
.exp-ad__label {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 0.4rem;
}
.exp-ad__box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  background: #f3f5f8;
  border: 1px dashed #d0d7e2;
  border-radius: 10px;
  color: #94a3b8;
  font-size: 0.8125rem;
}
.exp-ad__box--leader { min-height: 90px; }
.exp-ad--footer {
  margin: 1.5rem auto;
  padding: 0 1.25rem;
}

@media (min-width: 900px) {
  .tool-workspace__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 1.5rem;
  }
  .tool-result-col {
    position: sticky;
    top: 4.25rem;
    align-self: start;
  }
  .ui-card--calc { padding: 1.5rem 1.2rem; }
  .ui-card--result { padding: 1.5rem 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .viz-donut__invested,
  .viz-donut__gains,
  .viz-bar__invested,
  .viz-bar__gains {
    transition: none;
  }
  body.finance-page .faq-accordion .accordion-button::after,
  body.finance-page .faq-accordion .accordion-collapse {
    transition: none;
  }
}

@media (max-width: 768px) {
  .viz-donut {
    display: none;
  }

  .ui-hero h1 {
    font-size: clamp(1rem, 5vw, 2.35rem);
    margin: 0 0 0.25rem;
  }
  body,
  .ui-hero__lead,
  .intro-section p,
  .content-section.formula-section .formula-explain.prose-content, .content-section.formula-section .prose-content,
  .content-section.body-section .prose-content, .content-section.notes-section .prose-content
  {
    font-size: var(--text-sm);
  }
  .tool-workspace{
    padding: 0.5rem;
  }
  .ui-card{
    padding: 1rem;
    border-radius: 4px;
  }
}