/* Layout: one reading column, like a magazine article page. Charts sit in the
   column under a ruled header with a title, subtitle and source line.
   Amber marks money and the publication; everything unpaid stays slate. */
:root {
  --paper: #FFFFFF;
  --panel: #F3F5F7;
  --ink: #111820;
  --ink-2: #3E4A55;
  --ink-3: #5A6672;
  --rule: #D5DADF;
  --accent: #9A5B06;        /* amber text: kicker, links on hover */
  --accent-mark: #B8730F;   /* amber marks in charts and rules */
  --accent-soft: #F5E7D0;
  --bar: #7F8B97;
  --bar-2: #A9B3BD;
  --bar-3: #CDD4DB;
  --cell: #B3BCC4;
  --focus: #1F5FBF;

  --serif: Charter, "Bitstream Charter", "Iowan Old Style", "Sitka Text", Cambria, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --col: 40rem;
  --frame: 46rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F1215;
    --panel: #181D22;
    --ink: #E8EBEE;
    --ink-2: #BAC3CB;
    --ink-3: #98A3AD;
    --rule: #2B333A;
    --accent: #E9A640;
    --accent-mark: #E9A640;
    --accent-soft: #33270F;
    --bar: #8693A0;
    --bar-2: #5E6A75;
    --bar-3: #4C5864;
    --cell: #3E4954;
    --focus: #7FB0FF;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0F1215;
  --panel: #181D22;
  --ink: #E8EBEE;
  --ink-2: #BAC3CB;
  --ink-3: #98A3AD;
  --rule: #2B333A;
  --accent: #E9A640;
  --accent-mark: #E9A640;
  --accent-soft: #33270F;
  --bar: #8693A0;
  --bar-2: #5E6A75;
  --bar-3: #4C5864;
  --cell: #3E4954;
  --focus: #7FB0FF;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  padding-inline: 16px;
}
img, svg { max-width: 100%; }
p { margin: 0; }
a { color: inherit; text-decoration-color: var(--accent-mark); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 16px; }
.ph { font-family: var(--mono); font-size: 0.85em; background: var(--accent-soft); color: var(--ink); padding: 1px 6px; border-radius: 3px; white-space: nowrap; }

/* Masthead */
.mast {
  max-width: var(--frame); margin-inline: auto;
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 6px 24px; padding-block: 18px 10px; border-bottom: 1px solid var(--ink);
}
.mast .name { font: 700 1.3rem/1.2 var(--serif); text-decoration: none; letter-spacing: -0.005em; }
.mast nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 0.9rem; }
.mast nav a { text-decoration: none; color: var(--ink-2); padding-block: 4px; }
.mast nav a:hover, .mast nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent-mark); }

/* Article */
main.col { max-width: var(--col); margin-inline: auto; padding-block: 34px 8px; }
.head { display: grid; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--rule); margin-bottom: 26px; }
.kicker { font: 600 0.95rem/1.3 var(--sans); color: var(--accent); }
.kicker a { text-decoration: none; }
h1 { font: 700 clamp(2.1rem, 1.5rem + 2.4vw, 2.85rem)/1.08 var(--serif); letter-spacing: -0.012em; text-wrap: balance; margin: 0; }
.rubric { font: 400 1.3rem/1.45 var(--serif); color: var(--ink-2); text-wrap: pretty; }
.dateline { font-size: 0.85rem; color: var(--ink-3); }

.prose { display: grid; gap: 1.05em; }
.prose > p { font: 400 1.1875rem/1.62 var(--serif); }
.prose > h2 { font: 700 1.25rem/1.3 var(--serif); margin: 0.7em 0 -0.35em; text-wrap: balance; }
.sc { text-transform: uppercase; font-size: 0.84em; letter-spacing: 0.05em; }
.end::after { content: "\25A0"; color: var(--accent-mark); margin-left: 0.4em; font-size: 0.75em; vertical-align: 0.05em; }
.rules { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; font: 400 1.0625rem/1.55 var(--serif); }

/* Charts: ruled header, title, subtitle, source line */
figure.chart { margin: 0.6em 0; padding-top: 12px; border-top: 1px solid var(--ink); position: relative; display: grid; gap: 10px; min-width: 0; font-family: var(--sans); }
figure.chart::before { content: ""; position: absolute; top: -1px; left: 0; width: 44px; height: 4px; background: var(--accent-mark); }
.ct { font: 700 1.05rem/1.3 var(--sans); }
.cs { font-size: 0.93rem; line-height: 1.4; color: var(--ink-2); margin-top: -6px; }
.src { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; font-size: 0.78rem; line-height: 1.4; color: var(--ink-3); border-top: 1px solid var(--rule); padding-top: 6px; }
.note { font-size: 0.85rem; line-height: 1.45; color: var(--ink-3); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 0.85rem; color: var(--ink-2); list-style: none; margin: 0; padding: 0; }
.legend li { display: inline-flex; align-items: center; gap: 8px; }
.sw { width: 12px; height: 12px; border-radius: 2px; flex: none; }
.sw.paid { background: var(--accent-mark); }
.sw.ended { background: var(--accent-soft); box-shadow: inset 0 0 0 1.5px var(--accent-mark); }
.sw.cell { background: var(--cell); }
.sw.bar { background: var(--bar); }
.sw.bar2 { background: var(--bar-2); }
.sw.bar3 { background: var(--bar-3); }
.waffle { width: 100%; height: auto; display: block; }
.waffle .p { fill: var(--accent-mark); }
.waffle .e { fill: var(--accent-soft); stroke: var(--accent-mark); stroke-width: 1.5; }
.waffle .r { fill: var(--cell); }

details.data { font-size: 0.85rem; color: var(--ink-2); }
details.data summary { cursor: pointer; width: fit-content; }
.tbl { overflow-x: auto; margin-top: 8px; }
table { border-collapse: collapse; width: 100%; font: 0.92rem/1.45 var(--sans); font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 12px 6px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; }
td.n, th.n { text-align: right; }

/* Horizontal bars (HTML, so labels stay legible at phone width) */
.bars { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: minmax(0, 12rem) minmax(0, 1fr); gap: 4px 14px; align-items: center; }
.bar-row .lab { font-size: 0.92rem; line-height: 1.3; }
.bar-row .lab .mono { color: var(--ink-3); font-family: var(--mono); font-size: 0.82em; }
.track { display: flex; align-items: center; gap: 8px; min-width: 0; }
.fill { height: 14px; border-radius: 0 3px 3px 0; background: var(--bar); min-width: 2px; }
.fill.paid { background: var(--accent-mark); }
.val { font-size: 0.85rem; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 560px) { .bar-row { grid-template-columns: minmax(0, 1fr); } }

.stackbar { display: flex; gap: 2px; height: 22px; }
.stackbar span { display: block; height: 100%; }
.stackbar span:first-child { border-radius: 3px 0 0 3px; }
.stackbar span:last-child { border-radius: 0 3px 3px 0; }
.seg-paid { background: var(--accent-mark); }
.seg-bar { background: var(--bar); }
.seg-bar2 { background: var(--bar-2); }
.seg-bar3 { background: var(--bar-3); }
.keys { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.keys li { display: grid; grid-template-columns: 12px 3.4rem minmax(0, 1fr); gap: 10px; align-items: baseline; font-size: 0.92rem; }
.keys .sw { align-self: center; }
.keys b { font-variant-numeric: tabular-nums; font-weight: 600; }

/* Dot and interval chart */
.ci { display: grid; gap: 12px; }
.ci-row { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr) 6.5rem; gap: 4px 14px; align-items: center; }
.ci-row .lab { font-size: 0.92rem; line-height: 1.3; }
.ci-track { position: relative; height: 18px; }
.ci-track::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1px solid var(--rule); }
.ci-int { position: absolute; top: 50%; height: 2px; margin-top: -1px; background: var(--ink-3); }
.ci-dot { position: absolute; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--ink); box-shadow: 0 0 0 2px var(--paper); }
.ci-row .val { font-size: 0.85rem; }
.ci-row.muted .lab, .ci-row.muted .val { color: var(--ink-3); }
.ci-row.muted .ci-dot { background: var(--paper); box-shadow: inset 0 0 0 2px var(--ink-3); }
.ci-axis { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr) 6.5rem; gap: 14px; font-size: 0.75rem; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.ci-axis .ticks { position: relative; height: 1.2em; }
.ci-axis .ticks span { position: absolute; transform: translateX(-50%); }
.ci-axis .ticks span:first-child { transform: none; }
.ci-axis .ticks span:last-child { transform: translateX(-100%); }
@media (max-width: 560px) {
  .ci-row, .ci-axis { grid-template-columns: minmax(0, 1fr) 5.5rem; }
  .ci-row .lab { grid-column: 1 / -1; }
  .ci-axis > :first-child { display: none; }
}

/* Method page: approach table, phase strip, larger pipeline */
table.approach td:first-child { font-weight: 600; white-space: nowrap; padding-right: 18px; }
table.approach td { font-size: 0.95rem; }
@media (max-width: 560px) { table.approach td:first-child { white-space: normal; } }
.phases { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); font-family: var(--sans); }
.phases li { display: grid; gap: 2px; align-content: start; padding: 10px 10px 12px 0; border-top: 4px solid var(--rule); margin-top: -1px; }
.phases li.now { border-top-color: var(--accent-mark); }
.phases .pn { font-size: 0.75rem; color: var(--ink-3); }
.phases .pt { font: 700 0.98rem/1.25 var(--serif); }
.phases .ps { font-size: 0.75rem; font-weight: 600; color: var(--accent); }
@media (max-width: 560px) { .phases { grid-template-columns: minmax(0, 1fr); } .phases li { grid-template-columns: 5rem minmax(0, 1fr) auto; align-items: baseline; border-top-width: 1px; padding: 8px 0 8px 8px; border-left: 4px solid transparent; } .phases li.now { border-left-color: var(--accent-mark); } }
.pipeline-lg { font-size: 0.9rem; padding: 12px 14px; background: var(--panel); }

/* The author's view, kept visibly apart from findings */
.view { border-left: 3px solid var(--accent-mark); padding-left: 16px; display: grid; gap: 6px; }
.view .lab { font: 700 0.85rem/1.3 var(--sans); color: var(--ink-2); }
.view p:not(.lab) { font: italic 400 1.125rem/1.55 var(--serif); }
.ask { font-size: 0.95rem; color: var(--ink-2); }

/* End matter */
.endmatter { display: grid; gap: 28px; margin-top: 40px; }
.sec-title { font: 700 1rem/1.3 var(--sans); padding-top: 10px; border-top: 2px solid var(--ink); margin: 0; }
.series { list-style: none; margin: 10px 0 0; padding: 0; display: grid; }
.series li { padding-block: 12px; border-bottom: 1px solid var(--rule); display: grid; gap: 3px; }
.series .hl { font: 700 1.15rem/1.3 var(--serif); }
.series .hl a { text-decoration: none; }
.series .hl a:hover { text-decoration: underline; text-decoration-color: var(--accent-mark); }
.series .sf { font-size: 0.95rem; color: var(--ink-2); line-height: 1.45; }
.series .st { font-size: 0.78rem; font-weight: 600; color: var(--ink-3); }
.report { font-size: 0.95rem; color: var(--ink-2); margin-top: 10px; }

.method-note { background: var(--panel); padding: 18px 20px 20px; display: grid; gap: 10px; font-size: 0.95rem; line-height: 1.55; color: var(--ink-2); }
.method-note h2 { font: 700 1rem/1.3 var(--sans); color: var(--ink); margin: 0; }
.pipeline { list-style: none; margin: 2px 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 0; font: 600 0.8rem/1.4 var(--sans); color: var(--ink); }
.pipeline li + li::before { content: "\2192"; margin: 0 0.45em; color: var(--accent-mark); font-weight: 400; }
.method-note a { font-weight: 600; }

.author { display: grid; gap: 8px; padding-top: 12px; border-top: 1px solid var(--rule); }
.author h2 { font: 700 0.85rem/1.3 var(--sans); color: var(--ink-3); margin: 0; }
.author p { font: 400 1.0625rem/1.55 var(--serif); color: var(--ink-2); }
.author .sig { font: 600 0.95rem/1.4 var(--sans); color: var(--ink); }

.sources { font-size: 0.85rem; color: var(--ink-2); }
.sources h2 { font: 700 0.85rem/1.3 var(--sans); color: var(--ink-3); margin: 0 0 4px; }
.sources ul { margin: 0; padding-left: 1.1em; display: grid; gap: 3px; }
.pager { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 14px; border-top: 1px solid var(--rule); font-size: 0.92rem; }

footer.site { max-width: var(--frame); margin: 56px auto 0; padding-block: 14px 36px; border-top: 1px solid var(--ink); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; font-size: 0.8rem; color: var(--ink-3); }

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