/* Site styles. Mobile-first (320px up); system fonts, no frameworks. */

:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f5f7fa;      /* section bands and panels */
  --surface-2: #eceff4;
  --border: #dde2ea;
  --border-strong: #8a97a8; /* form controls: 3:1 against white */
  --text: #0e1c36;          /* navy from the logo wordmark */
  --heading: #011738;
  --muted: #4a5568;         /* 7.4:1 on white */
  --accent: #0057d9;        /* logo blue, darkened for 5.9:1 text contrast */
  --accent-strong: #0046ad;
  --accent-soft: #e9f1fe;
  --accent-line: #b9d0f7;
  --teal: #00a37a;          /* logo green; decorative lines only */
  --interest: #c2410c;      /* principal/interest split */
  --error: #b42318;         /* 6.2:1 on white */
  --error-soft: #fdecea;
  --focus: #f59e0b;
  --radius: 8px;
  --gap: 16px;
  --max: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--heading); line-height: 1.25; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.55rem, 1.25rem + 1.3vw, 2.15rem); font-weight: 750; }
h2 { font-size: 1.3rem; font-weight: 700; }
h3 { font-size: 1.08rem; font-weight: 700; }
p, ul, ol { margin: 0 0 1em; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }
img { max-width: 100%; height: auto; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gap); }
@media (min-width: 600px) { :root { --gap: 24px; } }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--gap); top: -100px;
  background: var(--heading); color: #fff; padding: 8px 12px; z-index: 10; border-radius: 6px;
}
.skip-link:focus { top: 8px; color: #fff; }

main:focus { outline: none; }

/* Header: logo and two links, one row from 320px up. Not sticky. */
.site-header { background: var(--bg); border-bottom: 1px solid var(--border); }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px;
}
.site-logo { display: inline-flex; flex: none; padding: 8px 0; }
.site-logo__img { display: block; width: auto; height: 32px; }
.site-nav, .footer-nav { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; padding: 0; }
.site-nav a {
  display: inline-block; padding: 10px 0; color: var(--text); font-weight: 600; font-size: 0.95rem; text-decoration: none;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 359px) {
  .site-logo__img { height: 28px; }
  .site-nav { gap: 4px 12px; }
  .site-nav a { font-size: 0.9rem; }
}
@media (min-width: 600px) {
  .site-header__inner { min-height: 68px; }
  .site-logo__img { height: 38px; }
  .site-nav { gap: 4px 28px; }
  .site-nav a { font-size: 1rem; }
}

/* Footer */
.site-footer {
  margin-top: 72px; padding: 40px 0 32px; border-top: 1px solid var(--border);
  background: var(--surface); color: var(--muted); font-size: 0.95rem;
}
.site-footer strong { color: var(--text); }
.footer-directory { display: grid; gap: 20px 24px; margin: 0 0 32px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.footer-directory__title { font-weight: 700; color: var(--heading); margin: 0 0 6px; }
.footer-directory ul { list-style: none; margin: 0; padding: 0; }
.footer-directory a { display: inline-block; padding: 4px 0; color: var(--text); text-decoration: none; }
.footer-directory a:hover { color: var(--accent); text-decoration: underline; }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.footer-logo { display: inline-flex; }
.footer-logo__img { display: block; width: auto; height: 30px; mix-blend-mode: multiply; }
.footer-nav a { display: inline-block; padding: 6px 0; }
.footer-note { margin: 20px 0 0; font-size: 0.9rem; max-width: 820px; }

.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 14px 0 0; padding: 0; font-size: 0.875rem; color: var(--muted); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs li + li::before { content: "›"; margin-right: 4px; color: var(--muted); }

/* Page header & content */
.page-header { padding: 12px 0 4px; max-width: 780px; }
.lede { font-size: 1rem; color: var(--muted); margin-bottom: 0.75em; }
@media (min-width: 600px) { .lede { font-size: 1.06rem; } .page-header { padding-top: 16px; } }
.note { color: var(--muted); font-size: 0.95rem; }
.content { max-width: 780px; margin-top: 48px; }
.content-section { margin-top: 40px; }
.content-section > h2 { padding-top: 4px; }
.definitions dt { font-weight: 700; margin-top: 12px; }
.definitions dd { margin: 4px 0 0; }
.formula {
  font-family: var(--mono); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px; overflow-x: auto;
}
.formula code { font-family: inherit; white-space: normal; }

/* Related calculators */
.card-list { list-style: none; padding: 0; display: grid; gap: 12px; }
@media (min-width: 600px) { .card-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; background: var(--bg); }
.card:hover { border-color: var(--accent-line); }
.card p { margin: 4px 0 0; color: var(--muted); font-size: 0.95rem; }
.card__link { font-weight: 650; font-size: 1.05rem; text-decoration: none; }
.card__link:hover { text-decoration: underline; }

/* Home: compact hero with search, then popular calculators and the directory. */
.home-hero { background: var(--surface); border-bottom: 1px solid var(--border); padding: 22px 0 20px; }
.home-hero h1 { max-width: 760px; margin-bottom: 0.35em; }
.home-hero__lede { color: var(--muted); max-width: 680px; margin-bottom: 16px; }
@media (min-width: 600px) { .home-hero { padding: 36px 0 32px; } .home-hero__lede { font-size: 1.06rem; } }

.search { max-width: 640px; position: relative; }
.search__label { display: block; font-weight: 650; margin-bottom: 6px; color: var(--heading); }
.search__row { display: flex; gap: 8px; }
.search__input {
  flex: 1 1 auto; min-width: 0; min-height: 50px; padding: 10px 14px;
  font: inherit; font-size: 1.05rem; color: var(--text); background: #fff;
  border: 1px solid var(--border-strong); border-radius: var(--radius);
}
.search__input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search__button { flex: none; }
.search__status { margin: 8px 0 0; font-size: 0.9rem; color: var(--muted); min-height: 0; }
.search__status:empty { display: none; }
.search__results {
  list-style: none; margin: 8px 0 0; padding: 4px 0; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
}
.search__results a { display: block; padding: 10px 14px; font-weight: 600; text-decoration: none; }
.search__results a:hover, .search__results a:focus-visible { background: var(--accent-soft); }

.home-section { margin-top: 36px; }
.home-section > h2 { margin-bottom: 14px; }

.tile-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tile { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); position: relative; }
.tile:hover { border-color: var(--accent); }
.tile__link {
  display: block; padding: 12px; font-weight: 650; font-size: 0.95rem; color: var(--heading); text-decoration: none; line-height: 1.3;
  overflow-wrap: normal;
}
.tile__link::after { content: ""; position: absolute; inset: 0; }   /* the whole tile is the link target */
.tile__text { display: none; }
@media (min-width: 600px) {
  .tile__link { padding: 14px 16px 4px; font-size: 1rem; }
  .tile__text { display: block; margin: 0; padding: 0 16px 14px; color: var(--muted); font-size: 0.9rem; line-height: 1.45; }
}
@media (min-width: 960px) { .tile-list { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; } }

.category-nav {
  list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr));
}
.category-nav a {
  display: flex; justify-content: space-between; align-items: center; gap: 8px; min-height: 44px; padding: 8px 12px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  color: var(--text); font-weight: 600; font-size: 0.92rem; line-height: 1.25; text-decoration: none;
}
.category-nav a:hover { border-color: var(--accent); color: var(--accent); }
.category-nav__count { color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }
@media (min-width: 720px) { .category-nav { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.directory { display: grid; gap: 28px 32px; margin-top: 28px; }
@media (min-width: 640px) { .directory { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .directory { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.directory__group { padding-top: 12px; border-top: 3px solid var(--heading); scroll-margin-top: 16px; }
.directory__group h3 { margin-bottom: 4px; }
.directory__intro { color: var(--muted); font-size: 0.9rem; margin-bottom: 8px; }
.directory__list { list-style: none; margin: 0; padding: 0; }
.directory__list li + li { border-top: 1px solid var(--border); }
.directory__list a { display: block; padding: 9px 0; font-weight: 550; text-decoration: none; }
.directory__list a:hover { text-decoration: underline; }

.home-trust { padding: 24px; background: var(--surface); border-radius: var(--radius); }
.trust-list { list-style: none; padding: 0; display: grid; gap: 12px 32px; }
.trust-list li { padding-left: 14px; border-left: 3px solid var(--teal); }
@media (min-width: 720px) { .trust-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Reserved ad placements (rendered only when SITE.ads is on). Fixed heights keep CLS at zero. */
.ad-slot {
  display: block; margin: 32px auto; width: 100%; max-width: 336px; min-height: 280px;
  background: var(--surface); border: 1px dashed var(--border);
}
@media (min-width: 900px) { .ad-slot { max-width: 728px; min-height: 90px; } }

/* Calculator layout: stacked on mobile, side by side on wide screens */
.calculator { display: grid; gap: 24px; margin-top: 12px; }
.calculator__inputs {
  background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--accent);
  border-radius: var(--radius); padding: 16px; align-self: start;
}
.calculator__inputs > h2 { font-size: 1.1rem; margin-bottom: 14px; }
@media (min-width: 600px) { .calculator__inputs { padding: 20px; } }
.calculator__results { min-width: 0; }
/* Stale results keep full contrast; a rule and the status line mark them. */
.calculator__results[data-state="stale"] #calc-results-body { border-left: 4px solid var(--error); padding-left: 12px; }
.results-status { font-size: 0.95rem; color: var(--muted); margin-bottom: 12px; }
.calculator__results[data-state="stale"] .results-status { color: var(--error); font-weight: 600; }
.results-status:focus { outline: none; }

@media (min-width: 900px) {
  .calculator { grid-template-columns: minmax(300px, 360px) minmax(0, 1fr); gap: 32px; }
  .calculator__inputs { position: sticky; top: 16px; }
}

/* Form */
.calc-form { display: grid; gap: 18px; }
.calc-form__advanced { display: grid; gap: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.field { margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { display: block; font-weight: 600; margin-bottom: 4px; padding: 0; }
.field__optional { font-weight: 400; color: var(--muted); }
.field__hint { margin: 0 0 6px; font-size: 0.9rem; color: var(--muted); }
.field__error { margin: 6px 0 0; color: var(--error); font-weight: 600; font-size: 0.95rem; }
.field__row { display: flex; gap: 8px; }
.checkbox { display: flex; align-items: flex-start; gap: 10px; }
.checkbox input { width: 22px; height: 22px; margin: 2px 0 0; flex: none; accent-color: var(--accent); }
.field .checkbox label { font-weight: 600; margin: 0; }
.field--checkbox .field__hint { margin: 4px 0 0 32px; }
.field--radios .checkbox + .checkbox { margin-top: 10px; }
.mode-payment, .mode-target { display: grid; gap: 18px; }
/* Show only the inputs for the selected planning mode (no script needed). */
.calc-form--card:has(#mode-payment:checked) .mode-target,
.calc-form--card:has(#mode-target:checked) .mode-payment { display: none; }
.mode-extra { display: grid; gap: 18px; }
.calc-form--payoff:has(#payoff-mode-extra:checked) .mode-target,
.calc-form--payoff:has(#payoff-mode-target:checked) .mode-extra { display: none; }
.mode-price, .mode-budget { display: grid; gap: 18px; }
.calc-form--auto:has(#auto-mode-price:checked) .mode-budget,
.calc-form--auto:has(#auto-mode-budget:checked) .mode-price { display: none; }
.mode-trip, .mode-mpg { display: grid; gap: 18px; }
.calc-form--fuel:has(#fuel-mode-trip:checked) .mode-mpg,
.calc-form--fuel:has(#fuel-mode-mpg:checked) .mode-trip { display: none; }
.mode-add, .mode-remove, .mode-rate, .mode-taxrate { display: grid; gap: 18px; }
.calc-form--tax:has(#tax-mode-add:checked) :is(.mode-remove, .mode-rate),
.calc-form--tax:has(#tax-mode-remove:checked) :is(.mode-add, .mode-rate),
.calc-form--tax:has(#tax-mode-rate:checked) :is(.mode-add, .mode-remove, .mode-taxrate) { display: none; }
.mode-cp, .mode-margin, .mode-markup { display: grid; gap: 18px; }
.calc-form--margin:has(#margin-mode-cp:checked) :is(.mode-margin, .mode-markup),
.calc-form--margin:has(#margin-mode-margin:checked) :is(.mode-cp, .mode-markup),
.calc-form--margin:has(#margin-mode-markup:checked) :is(.mode-cp, .mode-margin) { display: none; }
.mode-of, .mode-is, .mode-change, .mode-off { display: grid; gap: 18px; }
.calc-form--pct:has(#pct-mode-of:checked) :is(.mode-is, .mode-change, .mode-off),
.calc-form--pct:has(#pct-mode-is:checked) :is(.mode-of, .mode-change, .mode-off),
.calc-form--pct:has(#pct-mode-change:checked) :is(.mode-of, .mode-is, .mode-off),
.calc-form--pct:has(#pct-mode-off:checked) :is(.mode-of, .mode-is, .mode-change) { display: none; }
.mode-rect, .mode-circle, .mode-tri, .mode-trap { display: grid; gap: 18px; }
.calc-form--sqft:has(#sqft-shape-rect:checked) :is(.mode-circle, .mode-tri, .mode-trap),
.calc-form--sqft:has(#sqft-shape-circle:checked) :is(.mode-rect, .mode-tri, .mode-trap),
.calc-form--sqft:has(#sqft-shape-tri:checked) :is(.mode-rect, .mode-circle, .mode-trap),
.calc-form--sqft:has(#sqft-shape-trap:checked) :is(.mode-rect, .mode-circle, .mode-tri) { display: none; }
.mode-amount, .mode-emergency, .mode-date, .mode-deposit { display: grid; gap: 18px; }
.calc-form--savings:has(#savings-type-amount:checked) .mode-emergency,
.calc-form--savings:has(#savings-type-emergency:checked) .mode-amount,
.calc-form--savings:has(#savings-plan-date:checked) .mode-deposit,
.calc-form--savings:has(#savings-plan-deposit:checked) .mode-date { display: none; }
.mode-rect, .mode-round { display: grid; gap: 18px; }
.calc-form--concrete:has(#concrete-shape-rect:checked) .mode-round,
.calc-form--concrete:has(#concrete-shape-round:checked) .mode-rect { display: none; }
.mode-gravel-rect, .mode-gravel-round { display: grid; gap: 18px; }
.calc-form--gravel:has(#gravel-shape-rect:checked) .mode-gravel-round,
.calc-form--gravel:has(#gravel-shape-round:checked) .mode-gravel-rect { display: none; }
.mode-mulch-rect, .mode-mulch-round { display: grid; gap: 18px; }
.calc-form--mulch:has(#mulch-shape-rect:checked) .mode-mulch-round,
.calc-form--mulch:has(#mulch-shape-round:checked) .mode-mulch-rect { display: none; }
.mode-cy-volume, .mode-cy-coverage, .mode-cy-rect, .mode-cy-round, .mode-cy-triangle { display: grid; gap: 18px; }
.calc-form--cy:has(#cy-mode-volume:checked) .mode-cy-coverage,
.calc-form--cy:has(#cy-mode-coverage:checked) .mode-cy-volume,
.calc-form--cy:has(#cy-shape-rect:checked) :is(.mode-cy-round, .mode-cy-triangle),
.calc-form--cy:has(#cy-shape-round:checked) :is(.mode-cy-rect, .mode-cy-triangle),
.calc-form--cy:has(#cy-shape-triangle:checked) :is(.mode-cy-rect, .mode-cy-round) { display: none; }
.mode-btu-dims, .mode-btu-area { display: grid; gap: 18px; }
.calc-form--btu:has(#btu-measure-dims:checked) .mode-btu-area,
.calc-form--btu:has(#btu-measure-area:checked) .mode-btu-dims { display: none; }
.form-group-title { font-size: 1rem; margin: 4px 0 -6px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.field__row .input { flex: 1 1 auto; }
.time-row { border: 0; margin: 0; padding: 0; min-width: 0; }
.time-row legend { font-weight: 700; padding: 0; margin-bottom: 4px; }
.time-row__cells { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.time-cell { min-width: 0; }
.time-cell label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 2px; }
.time-cell .input input { padding: 10px 6px; font-size: 1rem; }
.time-row { border: 0; margin: 0; padding: 0; min-width: 0; }
.time-row legend { font-weight: 700; padding: 0; margin-bottom: 4px; }
.time-row__cells { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.time-row__cells--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.time-cell { min-width: 0; }
.time-cell label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 2px; }
.time-cell .input input { padding: 10px 6px; font-size: 1rem; }

.input {
  display: flex; align-items: center; background: #fff;
  border: 1px solid var(--border-strong); border-radius: var(--radius); min-height: 48px;
}
.input:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field--invalid .input { border-color: var(--error); border-width: 2px; }
.input__affix { padding: 0 4px 0 12px; color: var(--muted); }
.input--suffix .input__affix { padding: 0 12px 0 4px; }
.input input {
  flex: 1 1 auto; min-width: 0; width: 100%; border: 0; background: transparent;
  font: inherit; font-size: 1.05rem; padding: 10px 12px; color: var(--text);
}
.input--prefix input { padding-left: 4px; }
.input input:focus { outline: none; }
select {
  font: inherit; font-size: 1.05rem; min-height: 48px; padding: 8px 12px;
  border: 1px solid var(--border-strong); border-radius: var(--radius); background: #fff; color: var(--text);
}

.button {
  font: inherit; font-weight: 650; font-size: 1.05rem; min-height: 48px; padding: 10px 20px;
  border: 0; border-radius: var(--radius); background: var(--accent); color: #fff; cursor: pointer;
}
.button:hover { background: var(--accent-strong); }
.calc-form > .button, .calc-form .button[type="submit"] { width: 100%; }

/* Compact result under the button so phone users see updates while typing. */
.quick-result {
  margin: 0; padding: 12px 14px; border-radius: var(--radius); background: var(--accent-soft); border-left: 4px solid var(--accent); font-size: 0.95rem;
}
.quick-result strong { font-size: 1.15rem; }
.quick-result[hidden] { display: none; }
@media (min-width: 900px) {
  .quick-result { display: none; }
}

.error-summary {
  border: 2px solid var(--error); background: var(--error-soft); border-radius: var(--radius); padding: 12px 16px;
}
.error-summary__title { font-size: 1rem; color: var(--error); margin-bottom: 4px; }
.error-summary ul { margin: 0; padding-left: 20px; }
.error-summary a { color: var(--error); font-weight: 600; }

/* Results */
.result-block + .result-block { margin-top: 32px; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0 0 20px; }
.stat { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.stat--primary { grid-column: 1 / -1; background: var(--accent-soft); border-color: var(--accent-line); border-left: 4px solid var(--accent); padding: 14px 16px; }
.stat__label { font-size: 0.9rem; color: var(--muted); }
.stat__value { margin: 2px 0 0; font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: normal; }
.stat--primary .stat__value { font-size: clamp(1.9rem, 1.5rem + 1.6vw, 2.4rem); color: var(--heading); letter-spacing: -0.01em; }
.stat__note { margin: 2px 0 0; font-size: 0.9rem; color: var(--muted); }
@media (max-width: 379px) {
  .stats { grid-template-columns: minmax(0, 1fr); }
}
@media (min-width: 600px) {
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.breakdown { margin: 0 0 12px; }
.breakdown__label { font-weight: 600; margin-bottom: 6px; }
.breakdown__bar { display: flex; height: 16px; border-radius: 8px; overflow: hidden; background: var(--surface); }
.breakdown__part--0 { background: var(--accent); }
.breakdown__part--1 { background: var(--interest); }
.breakdown__legend { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 0.95rem; }
.breakdown__swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.callout { background: var(--accent-soft); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0; }
.callout--warning { background: #fff4e5; border-left-color: #b45309; }

.table-scroll {
  overflow-x: auto; max-width: 100%; border: 1px solid var(--border); border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}
.data-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; font-variant-numeric: tabular-nums; }
.table-title { font-weight: 600; margin: 0 0 8px; }
.table-scroll + p { margin-top: 12px; }
.data-table th, .data-table td { padding: 8px 10px; text-align: left; white-space: nowrap; }
.data-table tbody tr > * { border-top: 1px solid var(--border); }
.data-table thead th { background: var(--surface); font-size: 0.85rem; color: var(--muted); }
.data-table tbody th { font-weight: 600; }
/* Keep the row label visible while the rest of a wide table scrolls. */
.data-table tr > :first-child { position: sticky; left: 0; background: var(--bg); box-shadow: 1px 0 0 var(--border); }
.data-table thead tr > :first-child { background: var(--surface); }
.data-table tr.is-selected > * { background: var(--accent-soft); }
/* On small screens the sticky label column wraps so the scrolling figures stay visible. */
@media (max-width: 599px) {
  .data-table tr > :first-child { white-space: normal; min-width: 7em; max-width: 40vw; }
}
@media (min-width: 600px) {
  .data-table th, .data-table td { padding: 8px 12px; }
}
.data-table .num { text-align: right; }

.disclosure { margin-top: 16px; }
.disclosure summary {
  cursor: pointer; font-weight: 600; color: var(--accent); padding: 10px 0; min-height: 44px;
}
.disclosure[open] summary { margin-bottom: 8px; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

@media print {
  .site-header nav, .calculator__inputs, .skip-link, .site-footer nav, .ad-slot { display: none; }
  .disclosure > summary { display: none; }
  .disclosure { display: block; }
  .table-scroll { overflow: visible; border: 0; }
}

/* Sources: title, publisher, then the claim the source supports. */
.sources { padding-left: 1.2em; }
.sources li { margin-bottom: 10px; overflow-wrap: anywhere; }
.sources .note { display: block; }