:root {
  color-scheme: light;
  --paper: #f3f2ed;
  --surface: #fffdfa;
  --ink: #15201d;
  --muted: #59635f;
  --line: #c8cfca;
  --line-strong: #8d9994;
  --accent: #006f63;
  --accent-hover: #005c53;
  --accent-soft: #dcefeb;
  --danger: #a12626;
  --focus: #1d4ed8;
  --shadow: 0 18px 42px rgba(21, 32, 29, .09);
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 280px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-underline-offset: .18em; }
a:hover { color: var(--accent-hover); }
button, input { font: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  transform: translateY(-180%);
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
  border-radius: .35rem;
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(243, 242, 237, .94);
  backdrop-filter: blur(10px);
}
.header-inner, .page-shell, .footer-inner {
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
}
.header-inner {
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -.015em;
}
.brand-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: .45rem;
  font-family: var(--mono);
  font-size: .72rem;
  line-height: 1;
  background: var(--accent-soft);
}
.header-nav { display: flex; gap: 1rem; align-items: center; }
.header-nav a { color: var(--muted); font-size: .92rem; font-weight: 650; }
.page-shell { padding-block: clamp(2rem, 5vw, 4.5rem) 4.5rem; }
.intro { max-width: 50rem; margin-bottom: 1.6rem; }
.eyebrow {
  margin: 0 0 .55rem;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin-bottom: .75rem; font-size: clamp(2.2rem, 7vw, 4.75rem); max-width: 14ch; }
h2 { font-size: clamp(1.55rem, 3vw, 2.35rem); }
h3 { font-size: 1.12rem; }
.lede { max-width: 46rem; margin: 0; color: var(--muted); font-size: clamp(1.02rem, 2vw, 1.25rem); }
.promise-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1.3rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: .9rem;
}
.promise-list li::before { content: "✓"; color: var(--accent); font-weight: 900; margin-right: .42rem; }
.workbench {
  position: relative;
  overflow: visible;
  border: 1px solid var(--line-strong);
  border-top: .42rem solid var(--accent);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.workbench-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
}
.workbench-header h2 { margin-bottom: .25rem; font-size: 1.35rem; letter-spacing: -.02em; }
.workbench-header p { max-width: 44rem; margin: 0; color: var(--muted); }
.dataset-stamp { flex: 0 0 auto; color: var(--muted); font: 700 .75rem/1.35 var(--mono); text-align: right; }
.lookup-form { padding: clamp(1rem, 3vw, 2rem); }
.lookup-label { display: block; margin-bottom: .55rem; font-weight: 760; }
.lookup-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .65rem; }
.input-wrap { position: relative; }
.lookup-input {
  width: 100%;
  min-height: 3.35rem;
  padding: .8rem 3.25rem .8rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: .3rem;
  background: white;
  color: var(--ink);
  font-size: 1.05rem;
}
.lookup-input::placeholder { color: #74807b; }
.clear-input {
  position: absolute;
  top: 50%;
  right: .35rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.25rem;
}
.primary-button, .secondary-button, .text-button {
  min-height: 3.35rem;
  padding: .72rem 1.15rem;
  border-radius: .3rem;
  font-weight: 760;
}
.primary-button { border: 1px solid var(--accent); background: var(--accent); color: white; }
.primary-button:hover { background: var(--accent-hover); }
.secondary-button { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); }
.secondary-button:hover { border-color: var(--accent); color: var(--accent); }
.text-button { border: 0; background: transparent; color: var(--accent); text-decoration: underline; text-underline-offset: .18em; }
.input-help { margin: .6rem 0 0; color: var(--muted); font-size: .86rem; }
.form-status { min-height: 1.5em; margin: .55rem 0 0; color: var(--danger); font-size: .9rem; }
.suggestions {
  position: absolute;
  z-index: 20;
  top: calc(100% + .25rem);
  left: 0;
  right: 0;
  margin: 0;
  padding: .3rem;
  border: 1px solid var(--line-strong);
  background: white;
  box-shadow: 0 14px 30px rgba(21, 32, 29, .14);
  list-style: none;
}
.suggestion-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.85rem;
  padding: .55rem .7rem;
  color: var(--ink);
  text-decoration: none;
}
.suggestion-link:hover, .suggestion-link:focus { background: var(--accent-soft); color: var(--ink); }
.suggestion-type { color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.quick-examples {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding: 0 clamp(1rem, 3vw, 2rem) clamp(1rem, 3vw, 1.6rem);
}
.example-button {
  min-height: 2.75rem;
  padding: .45rem .7rem;
  border: 1px solid var(--line);
  border-radius: .25rem;
  background: transparent;
  color: var(--muted);
}
.example-button:hover { border-color: var(--accent); color: var(--accent); }
.result-panel { border-top: 1px solid var(--line); padding: clamp(1.1rem, 3vw, 2rem); }
.result-kicker { margin: 0 0 .4rem; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.area-hero { display: grid; grid-template-columns: minmax(9rem, .65fr) 1.6fr; gap: clamp(1rem, 4vw, 3rem); align-items: center; }
.area-number {
  margin: 0;
  font: 800 clamp(4rem, 15vw, 8rem)/.85 var(--mono);
  letter-spacing: -.09em;
  color: var(--ink);
}
.result-title { margin-bottom: .4rem; font-size: clamp(1.7rem, 4vw, 3rem); }
.result-subtitle { margin: 0; color: var(--muted); font-size: 1.05rem; }
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.data-point { min-width: 0; padding: 1rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.data-point dt { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.data-point dd { margin: .35rem 0 0; font-weight: 720; overflow-wrap: anywhere; }
.live-clock { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.action-row { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.3rem; }
.notice { margin: 1.2rem 0 0; padding: .85rem 1rem; border-left: .25rem solid var(--accent); background: var(--accent-soft); color: #183a34; }
.notice.warning { border-color: #9a6700; background: #fff3cf; color: #563900; }
.breadcrumbs { margin: 0 0 1.25rem; color: var(--muted); font-size: .88rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .35rem; color: var(--line-strong); }
.page-heading { max-width: 58rem; margin-bottom: 1.5rem; }
.page-heading h1 { max-width: none; }
.lookup-compact { margin-bottom: 2rem; }
.code-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8.3rem, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.code-link {
  min-height: 5.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .15rem;
  padding: .9rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.code-link:hover { position: relative; z-index: 1; outline: 2px solid var(--accent); color: var(--ink); }
.code-value { font: 800 1.65rem/1 var(--mono); letter-spacing: -.04em; }
.code-meta { color: var(--muted); font-size: .76rem; }
.filter-row { display: grid; grid-template-columns: minmax(0, 22rem) 1fr; gap: 1rem; align-items: end; margin: 1rem 0; }
.filter-input { width: 100%; min-height: 2.9rem; padding: .6rem .75rem; border: 1px solid var(--line-strong); background: white; }
.section-stack { width: min(100%, 58rem); margin: clamp(3rem, 7vw, 6rem) auto 0; }
.ruled-section { padding: clamp(1.5rem, 4vw, 2.75rem) 0; border-top: 1px solid var(--line-strong); }
.ruled-section > p { color: var(--muted); }
.step-list { display: grid; grid-template-columns: repeat(3, 1fr); margin: 1.4rem 0 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.step-list li { padding: 1.2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step-number { display: block; margin-bottom: .65rem; color: var(--accent); font: 800 .78rem/1 var(--mono); }
.directory-list { columns: 3 13rem; column-gap: 2rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.directory-list li { break-inside: avoid; margin-bottom: .5rem; }
.source-note { font-size: .88rem; color: var(--muted); }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { min-height: 3.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-weight: 730; }
summary::after { content: "+"; font: 800 1.25rem/1 var(--mono); color: var(--accent); }
details[open] summary::after { content: "−"; }
details > div { padding: 0 0 1.1rem; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line-strong); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; padding-block: 1.5rem 2.5rem; color: var(--muted); font-size: .87rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-button { padding: 0; border: 0; background: none; color: var(--accent); text-decoration: underline; text-underline-offset: .18em; }
dialog { width: min(calc(100% - 2rem), 48rem); max-height: min(88vh, 52rem); padding: 0; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); box-shadow: 0 24px 80px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(21, 32, 29, .62); }
.dialog-header { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.dialog-header h2 { margin: 0; font-size: 1.25rem; }
.dialog-close { width: 2.75rem; height: 2.75rem; border: 1px solid var(--line); background: transparent; font-size: 1.25rem; }
.dialog-body { padding: 1.25rem; }
.dialog-body h3 { margin-top: 1.7rem; }
.empty-state { padding: 2rem; border: 1px dashed var(--line-strong); color: var(--muted); text-align: center; }
.recent-list { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0 0; padding: 0; list-style: none; }
.recent-list a { display: inline-flex; min-height: 2.75rem; align-items: center; padding: .4rem .7rem; border: 1px solid var(--line); color: var(--ink); text-decoration: none; background: var(--surface); }
.no-js { margin: 0; padding: .7rem 1rem; background: #fff3cf; color: #563900; text-align: center; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
@media (max-width: 760px) {
  .data-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-list { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: .8rem; }
  .header-nav a:not(:last-child) { display: none; }
}
@media (max-width: 560px) {
  .header-inner, .page-shell, .footer-inner { width: min(100% - 1.25rem, 70rem); }
  .page-shell { padding-top: 1.65rem; }
  h1 { font-size: clamp(2.25rem, 13vw, 3.5rem); }
  .workbench-header { display: block; }
  .dataset-stamp { margin-top: .7rem; text-align: left; }
  .lookup-row { grid-template-columns: 1fr; }
  .suggestions { position: static; margin-top: .25rem; box-shadow: none; }
  .primary-button { width: 100%; }
  .area-hero { grid-template-columns: 1fr; gap: 1rem; }
  .area-number { font-size: clamp(4.5rem, 25vw, 7rem); }
  .filter-row { grid-template-columns: 1fr; }
  .directory-list { columns: 2 9rem; }
}
@media (max-width: 350px) {
  .header-inner { align-items: flex-start; padding-block: .75rem; }
  .brand { font-size: .92rem; }
  .brand-mark { width: 1.8rem; height: 1.8rem; }
  .data-grid { grid-template-columns: 1fr; }
  .directory-list { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (forced-colors: active) {
  .workbench, .code-link, .lookup-input, .filter-input, dialog { border: 2px solid CanvasText; }
  .primary-button { border: 2px solid ButtonText; }
}