:root {
  --paper: #faf9f5;
  --ink: #32332f;
  --ink-strong: #11120f;
  --muted: #72736b;
  --line: #cbc9be;
  --line-soft: #ecebe4;
  --axis: #a9a79c;
  --dim: #bdbbb1;
  --code: #f3f2ec;
  --pane: #ffffff;
  --pane-alt: #fcfbf8;
  --accent: #006fe6;
  --fail: #b42318;
}

.k-person, .c-person { --fg: #1d4ed8; --bg: rgba(29, 78, 216, 0.11); }
.k-org, .c-org { --fg: #7e22ce; --bg: rgba(126, 34, 206, 0.11); }
.k-address, .c-address { --fg: #0f7a4f; --bg: rgba(15, 122, 79, 0.13); }
.k-phone, .c-phone { --fg: #b45309; --bg: rgba(180, 83, 9, 0.14); }
.k-email, .c-email { --fg: #be185d; --bg: rgba(190, 24, 93, 0.12); }

@keyframes tsScanA { from { top: var(--scan-from, 0); opacity: 1; } 92% { opacity: 1; } to { top: var(--scan-to, 100%); opacity: 0; } }
@keyframes tsScanB { from { top: var(--scan-from, 0); opacity: 1; } 92% { opacity: 1; } to { top: var(--scan-to, 100%); opacity: 0; } }
@keyframes tsDimA { from { color: var(--ink); } }
@keyframes tsDimB { from { color: var(--ink); } }
@keyframes tsLitA { from { background-color: transparent; box-shadow: inset 0 0 0 transparent; color: var(--ink); } }
@keyframes tsLitB { from { background-color: transparent; box-shadow: inset 0 0 0 transparent; color: var(--ink); } }
@keyframes tsLand { from { opacity: 0; } }

* { box-sizing: border-box; }

html { background: var(--paper); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--accent); }
a:hover { color: var(--ink-strong); }

a:focus-visible, button:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

code { font-family: inherit; }

p { margin: 0; }

.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 64px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.brand { display: flex; gap: 16px; align-items: baseline; }
.brand .name { font-size: 15px; font-weight: 600; color: var(--ink-strong); }
.brand .meta { color: var(--muted); }
.top nav { display: flex; gap: 20px; }

.intro { max-width: 92ch; display: flex; flex-direction: column; gap: 20px; }
.intro h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-strong);
  text-wrap: balance;
}
.code {
  margin: 0;
  padding: 18px 20px;
  background: var(--code);
  border: 1px solid var(--line);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-strong);
  white-space: pre;
  overflow-x: auto;
}
.t-key { color: var(--ink-strong); }
.t-str { color: #0f7a4f; }
.t-num { color: var(--accent); }
.t-lit, .t-kw { color: #6d3fd6; }
.t-punct, .t-com { color: var(--muted); }

.demo { display: flex; flex-direction: column; gap: 14px; }
.controls { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.control-group { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.control-label { color: var(--muted); margin-right: 6px; }

.toggle {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}
.toggle.on { border-color: var(--ink-strong); background: var(--ink-strong); color: var(--paper); }

.replay {
  min-height: 32px;
  padding: 0 10px;
  border: none;
  background: transparent;
  color: var(--accent);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

.panes {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  /* Fits the longer sample, the email, at 1280 wide: its document pane measures 668px in
     Chrome. Edited documents and the JSON view scroll inside. */
  height: 700px;
  border: 1px solid var(--line);
  background: var(--pane);
}

.doc-pane, .out-pane { display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }
.doc-pane { border-right: 1px solid var(--line); }
.out-pane { background: var(--pane-alt); }

/* The header keeps to one line inside its pane: the title gives way with an ellipsis, the
   status never does. It is opaque and above the scroll box, which starts below it. */
.pane-head {
  position: relative;
  z-index: 1;
  flex: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
  white-space: nowrap;
  padding: 22px 24px 0;
  background: inherit;
  color: var(--muted);
  font-size: 12px;
}
.doc-pane { background: var(--pane); }
.pane-head > :first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.pane-head > :last-child { flex: none; }
.out-title { display: flex; align-items: baseline; min-width: 0; }
.out-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.out-title .hint { flex: none; }

.pane-scroll {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-anchor: none;
  padding: 14px 24px 22px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.out-pane .pane-scroll { padding-top: 10px; }
.pane-scroll.editing { display: flex; overflow: hidden; }

.doc-tools { display: flex; gap: 10px; align-items: baseline; }
.link {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--accent);
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}
.link[hidden] { display: none; }

.doc-edit {
  flex: 1;
  width: 100%;
  min-height: 320px;
  margin: 0;
  padding: 0;
  border: none;
  resize: none;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1.75;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.doc-edit:focus { outline: none; }
.doc-edit:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.hint {
  padding: 0 2px;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}
.hint:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.pane-scroll::-webkit-scrollbar { width: 8px; }
.pane-scroll::-webkit-scrollbar-track { background: transparent; }
.pane-scroll::-webkit-scrollbar-thumb { background: var(--line); border: 2px solid transparent; border-radius: 4px; background-clip: padding-box; }

@media (prefers-reduced-motion: no-preference) {
  html, .pane-scroll { scroll-behavior: smooth; }
}
.pane-head .status { text-align: right; }
.status .scanning { white-space: nowrap; color: var(--accent); }
.status .found-count { white-space: nowrap; }
.status .loading { color: var(--accent); white-space: nowrap; }
.status .failed { color: var(--fail); white-space: nowrap; }

.doc-wrap { position: relative; }
.doc {
  font-size: 12.5px;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--dim);
}
.doc .plain { color: var(--dim); }
.panes.idle .doc .plain, .panes.failed .doc .plain { color: var(--ink); }
.doc .hit {
  color: var(--ink-strong);
  background: var(--bg);
  box-shadow: inset 0 -2px 0 var(--fg);
  cursor: pointer;
}
.doc .hit.selected, /* Outside a selected section: not analyzed, so neither lit nor scanned. */
.doc .plain.outside { color: var(--dim); opacity: 0.5; }

.scan {
  position: absolute;
  left: -24px;
  right: -24px;
  top: 100%;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px 2px rgba(0, 111, 230, 0.35);
  opacity: 0;
  pointer-events: none;
}

/* The scan animations run only while a scan does; once it settles they are removed, which
   leaves every run in its final state, so nodes added later are not scanned again. */
.panes.scanning.run-a .scan { animation: tsScanA var(--scan, 1.8s) linear 0s both; }
.panes.scanning.run-b .scan { animation: tsScanB var(--scan, 1.8s) linear 0s both; }
.panes.scanning.run-a .plain:not(.outside) { animation: tsDimA 0.35s ease-out calc(var(--f, 0) * var(--scan, 1.8s)) both; }
.panes.scanning.run-b .plain:not(.outside) { animation: tsDimB 0.35s ease-out calc(var(--f, 0) * var(--scan, 1.8s)) both; }
.panes.scanning.run-a .hit { animation: tsLitA 0.3s ease-out calc(var(--f, 0) * var(--scan, 1.8s)) both; }
.panes.scanning.run-b .hit { animation: tsLitB 0.3s ease-out calc(var(--f, 0) * var(--scan, 1.8s)) both; }
.doc .hit.fresh, .rows .row, .json .piece { animation: tsLand 0.14s ease-out both; }

@media (prefers-reduced-motion: reduce) {
  [data-anim] { animation: none !important; }
}

.rows { display: flex; flex-direction: column; }
.rows[hidden], .json[hidden], .cards[hidden] { display: none; }

.cards { display: flex; flex-direction: column; gap: 14px; }
.card { border: 1px solid var(--line); background: var(--pane-alt); animation: tsLand 0.14s ease-out both; }
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line-soft);
}
.card-title { color: var(--ink-strong); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-meta { color: var(--muted); font-size: 12px; white-space: nowrap; display: flex; gap: 8px; align-items: baseline; }
.badge { border: 1px solid var(--line); padding: 0 6px; color: var(--ink); font-size: 11px; }
.card .card-row { grid-template-columns: 100px minmax(0, 1fr) 84px; }
.card .card-row:last-child { border-bottom: none; }
.unassigned { display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: none;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 12px;
  color: var(--ink-strong);
  background: var(--bg);
  box-shadow: inset 0 -2px 0 var(--fg);
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chip.selected { outline: 2px solid var(--fg); outline-offset: 2px; }

.row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) 84px 140px;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 32px;
  padding: 4px 8px;
  border: none;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  text-align: left;
  font-family: inherit;
  font-size: 12.5px;
  color: var(--ink);
  cursor: pointer;
}
.row.selected { background: var(--code); }
.json .piece { cursor: pointer; }
.json .piece.selected { background: var(--code); }
.json .piece:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.row.sub { font-size: 11.5px; min-height: 26px; }
.row .row-kind { color: var(--fg); font-weight: 500; }
.row.sub .row-kind { color: var(--muted); font-weight: 400; padding-left: 12px; }
.row .row-text, .row .row-extra { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .row-range { color: var(--muted); }
.row .row-extra { color: var(--muted); text-align: right; }

.json {
  margin: 0;
  font-family: inherit;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.waiting { color: var(--muted); font-size: 12.5px; }
.error { color: var(--fail); font-size: 12.5px; overflow-wrap: anywhere; }

.note-line { margin: 0; font-size: 12px; }

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

.parse { display: flex; flex-direction: column; gap: 14px; }
.parse-box { border: 1px solid var(--line); background: var(--pane); display: flex; flex-direction: column; }
.parse-input {
  display: block;
  width: 100%;
  margin: 0;
  padding: 18px 24px;
  border: none;
  border-bottom: 1px solid var(--line);
  resize: vertical;
  background: var(--pane);
  color: var(--ink-strong);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.7;
}
.parse-input:focus { outline: none; }
.parse-input:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.parse-result { padding: 16px 24px 20px; background: var(--pane-alt); display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.parsed-text { font-size: 13px; line-height: 1.9; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--dim); }
.parsed-text .part {
  --fg: #0f7a4f;
  --bg: rgba(15, 122, 79, 0.13);
  color: var(--ink-strong);
  background: var(--bg);
  box-shadow: inset 0 -2px 0 var(--fg);
}
.parsed-text .part.unknown { --fg: var(--axis); --bg: var(--line-soft); color: var(--muted); }
.parts { width: 100%; border-collapse: collapse; font-size: 12.5px; table-layout: fixed; }
.parts th { text-align: left; font-weight: 400; color: var(--muted); font-size: 11.5px; padding: 0 8px 6px 0; }
.parts td { padding: 6px 8px 6px 0; border-top: 1px solid var(--line-soft); overflow-wrap: anywhere; }
.parts th:first-child, .parts td:first-child { width: 120px; }
.parts th:nth-child(3), .parts td:nth-child(3) { width: 84px; }
.parts th:nth-child(4), .parts td:nth-child(4) { width: 96px; }
.parts .part-label { color: #0f7a4f; }
.parts .unknown td, .parts .unknown .part-label { color: var(--muted); }
.parts .muted { color: var(--muted); }
.parts .num { text-align: right; }
.parse-summary { font-size: 12px; color: var(--muted); }

.legend-line { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; }
.legend-item { display: flex; gap: 6px; align-items: center; }
.swatch { display: inline-block; width: 12px; height: 12px; background: var(--bg); box-shadow: inset 0 -2px 0 var(--fg); }

.note { font-size: 12px; color: var(--muted); max-width: 110ch; }
.demo .note { max-width: 120ch; }

.headline { max-width: 92ch; }
.headline .big { font-size: 28px; color: var(--ink-strong); font-weight: 500; }

.figure { display: flex; flex-direction: column; gap: 14px; max-width: 1000px; }
.figure-title { margin: 0; font-size: inherit; color: var(--ink-strong); font-weight: 500; }
.figure-sub { color: var(--muted); font-size: 12px; }

.chart { display: grid; gap: 6px 16px; align-items: center; }
.chart.narrow-label { grid-template-columns: 200px minmax(0, 1fr) 80px; }
.chart.wide-label { grid-template-columns: 260px minmax(0, 1fr) 110px; }
.chart-row { display: contents; }
.by-country .chart-row .label { color: var(--muted); }
.by-country .chart-row.accent .label, .funnel .chart-row.accent .label { color: var(--ink-strong); }
.chart-row .value { text-align: right; }
.chart-row.separated > span { margin-top: 12px; }
.chart-row .value.muted { color: var(--muted); }
.track { position: relative; height: 14px; border-left: 1px solid var(--axis); display: flex; align-items: center; }
.bar { display: block; height: 14px; background: var(--axis); }
.chart-row.accent .bar { background: var(--accent); }
.muted-bar { position: absolute; left: 0; top: 0; }
.said { position: absolute; top: -3px; height: 20px; width: 2px; background: var(--accent); }
.axis { font-size: 11px; color: var(--muted); }
.axis .ticks { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }

.pipeline { display: grid; grid-template-columns: 200px minmax(0, 1fr); border-top: 1px solid var(--line); }
.step { display: contents; }
.step-name, .step-what { padding: 12px 0; border-bottom: 1px solid var(--line); }
.step-name { color: var(--ink-strong); }
.step-what { white-space: pre-wrap; overflow-wrap: anywhere; }

.bottom {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 960px) {
  .panes { grid-template-columns: minmax(0, 1fr); height: auto; }
  .doc-pane { border-right: none; border-bottom: 1px solid var(--line); }
  .doc-pane .pane-scroll { max-height: 420px; }
  .out-pane .pane-scroll { max-height: 480px; }
}

@media (max-width: 640px) {
  .parse-input { padding: 14px 16px; font-size: 13px; }
  .parse-result { padding: 14px 16px 16px; }
  .parts th:first-child, .parts td:first-child { width: 108px; }
  .parts th:nth-child(3), .parts td:nth-child(3) { width: 64px; }
  .parts th:nth-child(4), .parts td:nth-child(4) { display: none; }
  body { font-size: 13px; }
  .page { padding: 28px 16px; gap: 32px; }
  .page .wide-only { display: none; }
  .brand .name { font-size: 14px; }
  .brand { gap: 8px; }
  .top nav a { display: inline-block; padding: 10px 0; }
  .intro { gap: 14px; }
  .intro h1 { font-size: 24px; }
  .code { padding: 14px; font-size: 11.5px; line-height: 1.65; }
  .code .t-com { display: none; }
  .demo { gap: 10px; }
  .controls { flex-direction: column; align-items: stretch; }
  .control-group { gap: 6px; }
  .toggle, .replay { min-height: 44px; padding: 0 14px; }
  .pane-head { padding: 16px 16px 0; }
  .pane-scroll { padding: 12px 16px 16px; }
  .doc-pane .pane-scroll { max-height: 400px; }
  .out-pane .pane-scroll { max-height: 420px; }
  .pane-head { font-size: 11px; }
  .doc { font-size: 13px; line-height: 1.8; }
  .scan { left: -16px; right: -16px; }
  .row { grid-template-columns: 96px minmax(0, 1fr) 64px; gap: 8px; padding: 4px 0; font-size: 12px; }
  .row.sub { font-size: 11px; }
  .row.sub .row-kind { padding-left: 8px; overflow: hidden; text-overflow: ellipsis; }
  .row .row-range { text-align: right; }
  .row .row-extra { display: none; }
  .legend-line { flex-direction: column; font-size: 11px; }
  .note { font-size: 11px; }
  .headline .big { font-size: 24px; }
  .figure { gap: 10px; }
  .figure-sub { font-size: 11px; }
  .chart, .chart.narrow-label, .chart.wide-label { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
  .chart-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "label value" "track track"; gap: 3px 12px; font-size: 12px; }
  .chart-row .label { grid-area: label; }
  .chart-row .value { grid-area: value; }
  .chart-row .track { grid-area: track; }
  .chart-row.axis { display: none; }
  .track, .bar { height: 10px; }
  .said { top: -3px; height: 16px; }
  .pipeline { grid-template-columns: minmax(0, 1fr); }
  .step-name { padding-bottom: 0; border-bottom: none; }
  .step-what { padding-top: 4px; }
  .bottom { flex-direction: column; gap: 6px; font-size: 11px; }
}