:root {
  --concrete: #cfccc6;
  --concrete-deep: #a9a49c;
  --panel: #ffffff;
  --ink: #1d1f22;
  --ink-2: #4a4d52;
  --rule: #d6d2ca;
  --band: #e7e4de;
  --y2026: #c4470f;
  --prior: #8c887f;
  --l100: #2f5d8a;
  --l200: #3d6b47;
  --l300: #55505e;
  --frame: "Barlow Condensed", "Arial Narrow", sans-serif;
  --read: "Atkinson Hyperlegible Next", "Segoe UI", system-ui, sans-serif;
  --rail-w: 240px;
  --measure: 68ch;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--concrete);
  color: var(--ink);
  font: 400 18px/1.6 var(--read);
  font-variant-numeric: lining-nums;
}
::selection { background: var(--ink); color: var(--panel); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
.sprite { position: absolute; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--ink); color: var(--panel); padding: 10px 14px; font-family: var(--frame); font-weight: 600; z-index: 20; }
.skip:focus { top: 12px; }

a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; text-decoration-color: var(--concrete-deep); }
a:hover { text-decoration-color: var(--ink); }
svg.out { width: 0.72em; height: 0.72em; margin-left: 0.18em; vertical-align: 0.02em; }

/* masthead */
.masthead { padding: 14px 24px 12px calc(var(--rail-w) + 32px); }
.masthead p {
  margin: 0;
  font: 600 15px/1.35 var(--frame);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.masthead span { color: var(--ink-2); margin: 0 0.35em; }

/* concourse layout */
.concourse { display: grid; grid-template-columns: var(--rail-w) minmax(0, 1fr); align-items: start; }
main { padding: 0 32px 0 32px; min-width: 0; }

/* directory rail */
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--concrete-deep);
  padding: 18px 0 24px;
  margin-top: -47px;
}
.rail-toggle { display: none; }
.level {
  margin: 18px 12px 6px;
  padding: 7px 12px 6px;
  color: #fff;
  font: 700 15px/1.2 var(--frame);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%);
}
.level:first-child { margin-top: 0; }
.level span { display: block; font-weight: 500; letter-spacing: 0.04em; opacity: 0.92; }
.l100 .blade, .level.l100 { background: var(--l100); }
.l200 .blade, .level.l200 { background: var(--l200); }
.l300 .blade, .level.l300 { background: var(--l300); }
.rail-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 6px 16px 6px 24px;
  color: var(--ink);
  text-decoration: none;
  font: 600 17px/1.15 var(--frame);
  letter-spacing: 0.02em;
}
.rail-list a b { font-weight: 700; min-width: 2.2em; }
.rail-list a:hover { background: rgba(255, 255, 255, 0.28); }
.rail-list a[aria-current] {
  background: var(--panel);
  margin-right: 12px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
}

/* section openers */
.sec { margin-bottom: 40px; }
.opener {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 140px;
  padding: 10px 0;
}
.blade {
  display: inline-flex;
  align-items: center;
  padding: 0 44px 0 22px;
  height: 112px;
  color: #fff;
  font: 700 100px/1 var(--frame);
  letter-spacing: -0.01em;
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 50%, calc(100% - 30px) 100%, 0 100%);
}
.opener h1, .opener h2 {
  margin: 0;
  font: 700 40px/1.05 var(--frame);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-wrap: balance;
}

/* reading panel */
.panel {
  background: var(--panel);
  padding: 40px 48px 44px;
  box-shadow: 0 1px 2px rgba(29, 31, 34, 0.08), 0 8px 24px -12px rgba(29, 31, 34, 0.18);
}
.panel > p, .panel > ul, .panel > ol, .panel > dl, .panel > h3, .panel > .small { max-width: var(--measure); }
.panel p { margin: 0 0 1em; }
.panel h3, .sub {
  margin: 40px 0 10px;
  font: 700 22px/1.25 var(--read);
}
.small, .strip-caption, .cite { font-size: 16px; color: var(--ink-2); }

/* the answer */
.question { font-size: 22px; margin-bottom: 6px !important; color: var(--ink-2); }
.verdict { font: 700 56px/1.05 var(--read); letter-spacing: -0.02em; margin: 0 0 18px !important; }
.lede { font-size: 20px; max-width: 62ch; }
.strip { margin: 26px 0 10px; }
.years { display: grid; grid-template-columns: repeat(11, minmax(0, 1fr)); gap: 6px; }
.year {
  display: grid;
  grid-template-rows: auto 56px auto;
  gap: 6px;
  padding: 10px 8px 9px;
  background: #f2f0ec;
  color: var(--ink);
  text-decoration: none;
  border-top: 4px solid var(--prior);
  transition: background-color 160ms ease-out;
}
.year:hover { background: #e9e6e0; }
.year .yr { font: 600 16px/1 var(--frame); letter-spacing: 0.03em; color: var(--ink-2); }
.year .meter { display: flex; align-items: flex-end; }
.year .meter span { display: block; width: 100%; max-width: 24px; height: calc(var(--h) * 100%); background: var(--prior); border-radius: 3px 3px 0 0; }
.year .num { font-size: 17px; font-variant-numeric: tabular-nums; }
.year.hot { border-top-color: var(--y2026); background: #fff4ee; }
.year.hot .yr { color: var(--ink); font-weight: 700; display: flex; align-items: center; gap: 6px; }
.year .ring { width: 14px; height: 14px; border-width: 2px; }
.year .ring::after { inset: 2px; }
.year.hot .meter span { background: var(--y2026); }
.year.hot .num { font-weight: 700; }
.here {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 2px !important;
  font: 600 16px/1.2 var(--frame);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ring { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--y2026); position: relative; flex: none; }
.ring::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--y2026); }
.strip-note { font-size: 18px; }
.facts { padding-left: 1.1em; }
.facts li { margin-bottom: 0.6em; }

/* revision and claim plates */
.plates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 14px; }
.plate { border: 1px solid var(--ink); padding: 14px 16px 6px; background: var(--panel); }
.plate p { font-size: 17px; }
.plate s { color: var(--ink-2); text-decoration-thickness: 2px; }
.tag {
  display: inline-block;
  margin: 0 0 10px !important;
  padding: 2px 8px;
  border: 1px solid var(--ink);
  font: 700 14px/1.4 var(--frame) !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.claims .plate h3 { margin: 0 0 8px; font: 700 20px/1.3 var(--read); }
.claims blockquote { margin: 0 0 8px; font-style: italic; font-size: 17px; }

/* controls */
.controls { border: 0; padding: 0; margin: 26px 0 8px; }
.controls legend, .filters label, .filters .bare legend {
  font: 600 15px/1.2 var(--frame);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0;
  margin-bottom: 8px;
}
.choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--ink); border: 1px solid var(--ink); max-width: 760px; }
.choices .choice { background: var(--panel); }
.choices .choice span { width: 100%; }
.choice { display: inline-flex; position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font: 600 16px/1.2 var(--frame);
  letter-spacing: 0.02em;
  transition: background-color 160ms ease-out, color 160ms ease-out;
}
.choice:hover span { background: #f2f0ec; }
.choice input:checked + span { background: var(--ink); color: var(--panel); }
.choice input:focus-visible + span { outline: 3px solid var(--ink); outline-offset: 2px; }
.inline { display: flex; flex-wrap: wrap; gap: 0; }
.inline legend { width: 100%; }
.inline .choice { border: 1px solid var(--ink); margin: 0 -1px -1px 0; }
.checks { display: flex; flex-wrap: wrap; gap: 4px 28px; margin-top: 14px; }
.check { display: inline-flex; align-items: flex-start; gap: 10px; min-height: 44px; padding: 8px 0; font-size: 17px; cursor: pointer; }
.check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--ink); flex: none; }
.filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 18px; margin: 18px 0 8px; }
.filters label { display: flex; flex-direction: column; margin: 0; }
.filters .bare { margin: 0; }
select {
  margin-top: 6px;
  min-height: 44px;
  min-width: 150px;
  padding: 8px 36px 8px 12px;
  font: 400 17px/1.2 var(--read);
  color: var(--ink);
  background: var(--panel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%231d1f22' stroke-width='1.8'/%3E%3C/svg%3E") no-repeat right 10px center / 16px;
  border: 1px solid var(--ink);
  border-radius: 0;
  appearance: none;
  text-transform: none;
  letter-spacing: 0;
}
.linkish {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 2px;
  background: none;
  border: 0;
  color: var(--ink);
  font: 400 17px/1.2 var(--read);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  text-decoration-color: var(--concrete-deep);
  cursor: pointer;
}
.linkish:hover { text-decoration-color: var(--ink); }
.linkish svg, .downloads svg, .open-btn svg { width: 16px; height: 16px; flex: none; }
.counting { font-size: 16px; color: var(--ink-2); margin-top: 6px !important; }
.verdict-line { font-weight: 700; font-size: 18px; max-width: var(--measure); }

.secref {
  display: inline-block;
  padding: 0 9px 0 6px;
  color: #fff;
  font: 700 16px/1.45 var(--frame);
  letter-spacing: 0.04em;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 50%, calc(100% - 6px) 100%, 0 100%);
}
.secref.l100 { background: var(--l100); }
.secref.l200 { background: var(--l200); }
.secref.l300 { background: var(--l300); }
.secref:hover { filter: brightness(1.12); }

/* charts */
.chart { margin: 22px 0 10px; }
.chart-title { margin: 0 0 6px !important; font-weight: 700; font-size: 17px; }
.chart-box { position: relative; }
.chart-svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-svg .grid { stroke: var(--rule); stroke-width: 1; }
.chart-svg .tick { fill: var(--ink-2); font: 400 15px var(--read); font-variant-numeric: tabular-nums; }
.chart-svg .tick-hot { fill: var(--ink); font-weight: 700; }
.chart-svg .bar { fill: var(--prior); transition: opacity 160ms ease-out; }
.chart-svg .hot .bar { fill: var(--y2026); }
.chart-svg .hit { fill: transparent; }
.chart-svg .col { cursor: default; outline: none; }
.chart-svg .col[role=button] { cursor: pointer; }
.chart-svg .col:hover .bar, .chart-svg .col:focus-visible .bar { opacity: 0.78; }
.chart-svg .col:focus-visible .hit { stroke: var(--ink); stroke-width: 2; }
.chart-svg .col.picked .hit { fill: #f2f0ec; }
.chart-svg .value { fill: var(--ink); font: 700 16px var(--read); }
.chart-svg .mean { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 6 5; }
.chart-svg .mean-label { fill: var(--ink); font: 600 15px var(--frame); letter-spacing: 0.03em; }
.chart-svg .line { fill: none; stroke: var(--prior); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.chart-svg .line.hot { stroke: var(--y2026); stroke-width: 3; }
.chart-svg .mean-line { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 6 5; }
.chart-svg .band { fill: var(--band); }
.chart-svg .dot.hot { fill: var(--y2026); }
.chart-svg .ring-mark { fill: var(--panel); stroke: var(--y2026); stroke-width: 3; }
.chart-svg circle.dot.hot { stroke: var(--panel); stroke-width: 0; }
.chart-svg .end-label { fill: var(--ink-2); font: 600 15px var(--frame); letter-spacing: 0.02em; }
.chart-svg .end-label.hot { fill: var(--ink); font-weight: 700; }
.chart-svg .crosshair { stroke: var(--ink); stroke-width: 1; opacity: 0; }
.chart-svg .crosshair.on { opacity: 0.6; }
.tip {
  position: absolute;
  transform: translate(-50%, calc(-100% - 12px));
  display: grid;
  gap: 2px;
  min-width: 150px;
  padding: 9px 12px;
  background: var(--ink);
  color: var(--panel);
  font-size: 15px;
  line-height: 1.35;
  pointer-events: none;
  opacity: 0;
  transition: opacity 120ms ease-out;
  z-index: 3;
  white-space: nowrap;
}
.tip.on { opacity: 1; }
.tip strong { font-size: 16px; }
.chart-key { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 15px; color: var(--ink-2); margin: 6px 0 0 !important; }
.key { display: inline-block; width: 22px; height: 0; vertical-align: middle; }
.key-hot { border-top: 3px solid var(--y2026); }
.key-mean { border-top: 2px dashed var(--ink); }
.key-band { height: 12px; background: var(--band); }
.duo { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 10px; }
.chart, .chart-box { min-width: 0; }

/* tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
.data { border-collapse: collapse; width: 100%; font-size: 17px; }
.data th {
  text-align: left;
  font: 600 15px/1.2 var(--frame);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 12px 8px;
  border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}
.data td { padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; font-variant-numeric: tabular-nums; }
.data tr.hot td { font-weight: 700; background: #fff4ee; }
.data .empty { color: var(--ink-2); font-style: italic; }
.seasons td:nth-child(2), .seasons td:nth-child(3), .seasons td:nth-child(4),
.seasons th:nth-child(2), .seasons th:nth-child(3), .seasons th:nth-child(4) { text-align: right; }
.row-table th { border-bottom: 1px solid var(--rule); text-align: left; }
.row-table td { text-align: right; padding: 8px 10px; }
.row-table td.hot { font-weight: 700; background: #fff4ee; }
.numbers { margin-top: 6px; }
.open-btn {
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 6px 24px 6px 12px;
  background: #e2dfd8;
  border: 0;
  color: var(--ink);
  font: 600 15px/1.2 var(--frame);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 160ms ease-out;
}
.open-btn:hover { background: #d3cfc6; }
.open-btn[aria-expanded=true] { background: var(--ink); color: var(--panel); }
.open-btn[aria-expanded=true] svg { transform: rotate(180deg); }
.drawer > td { padding: 0 0 18px 24px; background: var(--panel); }
.drill { border-top: 2px solid var(--ink); padding-top: 12px; animation: drawer 220ms cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes drawer { from { opacity: 0; transform: translateY(-6px); } }
.drill .data { font-size: 16px; }
.drill-foot { display: flex; flex-wrap: wrap; gap: 4px 24px; }
.sources-cell { white-space: nowrap; }
.sources-cell a { margin-right: 10px; }
.rows-title { font-weight: 700; margin-top: 10px !important; }
details.as-table summary { cursor: pointer; font-size: 16px; min-height: 44px; display: flex; align-items: center; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; text-decoration-color: var(--concrete-deep); }
.official td:first-child { font-weight: 700; }
.load-error { padding: 14px 16px; border: 1px solid var(--ink); font-size: 17px; }

/* method */
.defs dt { font-weight: 700; margin-top: 12px; }
.defs dd { margin: 2px 0 0; }
.traps li { margin-bottom: 14px; }
.sources li, .downloads li { margin-bottom: 8px; }
.downloads { list-style: none; padding: 0; }
.downloads a { display: inline-flex; align-items: center; gap: 8px; }

.lost { padding: 48px 16px; max-width: 720px; margin: 0 auto; }

/* disclosures */
.disclosures .foot { padding: 4px 0 56px; max-width: 80ch; }
.disclosures .foot p { font-size: 16px; margin: 0 0 12px; }

/* tablet and phone */
@media (max-width: 1100px) {
  .panel { padding: 32px 28px 36px; }
  .years { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  :root { --rail-w: 0px; }
  .plates, .plates.revisions { grid-template-columns: minmax(0, 1fr); }
  .data.reflow thead { display: none; }
  .data.reflow, .data.reflow tbody { display: block; }
  .data.reflow tr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 14px; padding: 12px 4px; border-bottom: 1px solid var(--rule); }
  .data.reflow td { display: block; padding: 0; border: 0; position: static; background: none; text-align: left !important; }
  .data.reflow td:first-child { grid-column: 1 / -1; font-weight: 700; font-size: 18px; position: static; }
  .data.reflow td:first-child::before { content: none; }
  .data.reflow td[data-label]:not(:first-child)::before { content: attr(data-label); display: block; font: 600 13px/1.3 var(--frame); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
  .data.reflow td.act, .data.reflow td.sources-cell { grid-column: 1 / -1; }
  .data.reflow tr.hot { background: #fff4ee; }
  .data.reflow tr.drawer { display: block; padding: 0; }
  .data.reflow tr.drawer > td { padding: 0; }
  .data.reflow td.empty { grid-column: 1 / -1; }
  .masthead { padding: 12px 16px 10px; }
  .concourse { display: block; }
  main { padding: 0 16px; }
  .rail {
    position: sticky;
    top: 0;
    z-index: 10;
    height: auto;
    margin: 0;
    padding: 0;
    overflow: visible;
    background: var(--l100);
  }
  .rail[data-level="200"] { background: var(--l200); }
  .rail[data-level="300"] { background: var(--l300); }
  .rail-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 52px;
    padding: 6px 16px;
    background: none;
    border: 0;
    color: #fff;
    font: 700 17px/1.2 var(--frame);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .rail-btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border: 1px solid rgba(255, 255, 255, 0.8); }
  .rail-btn svg { width: 16px; height: 16px; }
  .rail-toggle[aria-expanded=true] .rail-btn svg { transform: rotate(180deg); }
  .rail-list { display: none; }
  .rail.open .rail-list {
    display: block;
    position: fixed;
    inset: 52px 0 0 0;
    z-index: 11;
    overflow-y: auto;
    background: var(--concrete-deep);
    padding: 16px 0 32px;
  }
  .opener { min-height: 96px; gap: 14px; }
  .blade { height: 72px; font-size: 60px; padding: 0 30px 0 14px; clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 50%, calc(100% - 20px) 100%, 0 100%); }
  .opener h1, .opener h2 { font-size: 28px; }
  .panel { padding: 24px 18px 28px; margin: 0 -4px; }
  .verdict { font-size: 40px; }
  .lede { font-size: 18px; }
  .years { grid-template-columns: 1fr; gap: 4px; }
  .year { grid-template-columns: 72px 1fr 56px; grid-template-rows: none; align-items: center; padding: 8px 10px; border-top: 0; }
  .year .meter { height: 14px; align-items: stretch; }
  .year .meter span { max-width: none; height: 100%; width: calc(var(--h) * 100%); border-radius: 0 3px 3px 0; }
  .year .num { text-align: right; }
  .duo { grid-template-columns: minmax(0, 1fr); }
  .filters { flex-direction: column; align-items: stretch; }
  .filters select { width: 100%; }
  .choices { grid-template-columns: minmax(0, 1fr); }
  .data th:first-child, .data td:first-child { position: sticky; left: 0; background: var(--panel); z-index: 1; }
  .drawer > td { padding-left: 0; }
  .drawer > td:first-child { position: static; }
}

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

@media print {
  body { background: #fff; }
  .rail, .controls, .filters, .open-btn, .skip { display: none !important; }
  .concourse { display: block; }
  .masthead { padding-left: 0; }
  .panel { box-shadow: none; padding: 0; }
}
.week-links { display: inline-flex; flex-wrap: wrap; gap: 4px 14px; }