/* UK Welfare Ledger — tokens mirror the design system's tokens.json */
@font-face { font-family: "Source Serif 4"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(/fonts/SourceSerif4-Variable-latin.woff2) format("woff2"); }
@font-face { font-family: "Public Sans"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(/fonts/PublicSans-Variable-latin.woff2) format("woff2"); }

:root {
  color-scheme: light;
  --paper: #f6f3ec; --surface: #fffdf8; --sunk: #ece7dc; --line: #ddd6c8; --line-strong: #b9b09e;
  --ink: #16191d; --ink-2: #464a4f; --ink-3: #64666a;
  --ledger: #134e40; --ledger-deep: #0d3a30; --on-ledger: #f6f3ec; --on-ledger-2: #bcd3c9; --brass-on-ledger: #e6bd68;
  --accent: #0f6650; --brass: #8a5d0c; --brass-soft: #f1e2bf; --red-ink: #a63a26;
  --focus: #8a5d0c;
  --s1: #1f6f5c; --s2: #c4502f; --s3: #c98a1b; --s4: #5b6b7a;
  --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --good: #1d6f3a; --good-bg: #e2efe3; --serious: #9a4d12; --serious-bg: #f6e6d3;
  --critical: #a63a26; --critical-bg: #f6e0da; --neutral-bg: #ebe7de;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #111412; --surface: #191d1b; --sunk: #0c0e0d; --line: #2c3330; --line-strong: #46504b;
    --ink: #ecebe5; --ink-2: #c3c3bb; --ink-3: #9a9c95;
    --ledger: #143a30; --ledger-deep: #0b231d; --on-ledger: #ecebe5; --on-ledger-2: #a9c4b9; --brass-on-ledger: #e6bd68;
    --accent: #6fc3a8; --brass: #e0a640; --brass-soft: #3a2f17; --red-ink: #f08a74;
    --focus: #e0a640;
    --s1: #4fae92; --s2: #e4704f; --s3: #e0a640; --s4: #8b9aa8;
    --s5: #d55181; --s6: #2f9a2f; --s7: #9085e9; --s8: #e66767;
    --good: #7fcf95; --good-bg: #17291d; --serious: #eba467; --serious-bg: #2e2215;
    --critical: #f08a74; --critical-bg: #321b16; --neutral-bg: #222724;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #111412; --surface: #191d1b; --sunk: #0c0e0d; --line: #2c3330; --line-strong: #46504b;
  --ink: #ecebe5; --ink-2: #c3c3bb; --ink-3: #9a9c95;
  --ledger: #143a30; --ledger-deep: #0b231d; --on-ledger: #ecebe5; --on-ledger-2: #a9c4b9; --brass-on-ledger: #e6bd68;
  --accent: #6fc3a8; --brass: #e0a640; --brass-soft: #3a2f17; --red-ink: #f08a74;
  --focus: #e0a640;
  --s1: #4fae92; --s2: #e4704f; --s3: #e0a640; --s4: #8b9aa8;
  --s5: #d55181; --s6: #2f9a2f; --s7: #9085e9; --s8: #e66767;
  --good: #7fcf95; --good-bg: #17291d; --serious: #eba467; --serious-bg: #2e2215;
  --critical: #f08a74; --critical-bg: #321b16; --neutral-bg: #222724;
}

/* ---------------------------------------------------------------- base */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--sans); font-feature-settings: "tnum" 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; margin: 0 0 .35em; letter-spacing: -.015em; }
h2 { font-size: clamp(1.45rem, 2.6vw, 1.85rem); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 .5em; line-height: 1.3; }
p { margin: 0 0 1em; }
.lede { font-size: clamp(1.08rem, 1.6vw, 1.25rem); line-height: 1.55; color: var(--ink-2); max-width: 40em; }
.muted { color: var(--ink-3); } .small { font-size: .85rem; }
.eyebrow { display: block; font: 600 .75rem/1.4 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--brass); margin-bottom: 10px; }
.skip { position: absolute; left: -999px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 8px 12px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
code { font-family: var(--mono); font-size: .82em; }
.cite { color: var(--ink-3); font-family: var(--mono); font-size: .8rem; }
time { color: var(--ink-3); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- masthead */
header.site { background: var(--surface); border-top: 4px solid var(--ledger); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none;
  font: 650 1.2rem/1 var(--serif); letter-spacing: -.01em; }
.brand .mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: var(--radius-sm);
  background: var(--ledger); color: var(--on-ledger); font: 600 1.05rem/1 var(--serif); box-shadow: inset 0 -3px 0 var(--brass); }
nav.main { display: flex; flex-wrap: wrap; gap: 2px 4px; margin: 0 -10px; }
nav.main a { color: var(--ink-2); text-decoration: none; font-size: .92rem; font-weight: 500; padding: 6px 10px; border-radius: var(--radius-sm); }
nav.main a:hover { color: var(--ink); background: var(--sunk); }
nav.main a[aria-current] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--brass); border-radius: 0; }

/* ---------------------------------------------------------------- page heads */
.hero { background: var(--ledger); color: var(--on-ledger); position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(255,255,255,.06) 31px 32px); }
.hero .wrap { position: relative; z-index: 1; display: grid; gap: 32px; padding-top: 56px; padding-bottom: 56px; }
@media (min-width: 880px) { .hero .wrap { grid-template-columns: 1.35fr 1fr; align-items: end; padding-top: 80px; padding-bottom: 72px; } }
.hero h1 { color: var(--on-ledger); }
.hero .lede { color: var(--on-ledger-2); }
.hero .eyebrow { color: var(--brass-on-ledger); }
.hero a { color: var(--on-ledger); }
.hero-total { border-top: 1px solid rgba(255,255,255,.22); padding-top: 18px; }
.hero-total .lab { font-size: .9rem; color: var(--on-ledger-2); margin: 0 0 4px; }
.hero-total .num { display: block; font: 600 clamp(3.2rem, 8vw, 5.4rem)/1 var(--serif); letter-spacing: -.03em; font-variant-numeric: lining-nums tabular-nums; }
.hero-total .num data { color: var(--on-ledger); }
.hero-total .meta { margin-top: 12px; font-size: .82rem; color: var(--on-ledger-2); display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.hero-total .meta a { color: var(--on-ledger); }

.pagehead { background: var(--surface); border-bottom: 1px solid var(--line); }
.pagehead .wrap { padding-top: 48px; padding-bottom: 36px; }
.pagehead h1 { font-size: clamp(2rem, 4.4vw, 3rem); }
.pagehead .lede { margin-bottom: 0; }

main.wrap { padding-bottom: 24px; }
.band { padding: 56px 0 8px; }
.band + .band { border-top: 1px solid var(--line); margin-top: 48px; }
.band-head { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: baseline; justify-content: space-between; margin-bottom: 20px; }
.band-head h2 { margin: 0; max-width: 28em; }
.band-head .more { font-size: .92rem; font-weight: 500; white-space: nowrap; }
.prose { max-width: 42em; }
.prose h2 { margin-top: 1.8em; }

/* ---------------------------------------------------------------- stat cards */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 20px 20px 16px;
  display: flex; flex-direction: column; position: relative; }
.stat::before { content: ""; position: absolute; left: 20px; top: 0; width: 32px; height: 3px; background: var(--brass); }
.stat .num { font: 600 2.4rem/1.05 var(--serif); letter-spacing: -.02em; font-variant-numeric: lining-nums tabular-nums; margin-top: 6px; }
.stat .lab { color: var(--ink-2); margin: 8px 0 16px; flex: 1; line-height: 1.45; }
.stat .meta { font-size: .78rem; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center;
  border-top: 1px solid var(--line); padding-top: 12px; }

/* ---------------------------------------------------------------- badges & tags */
.badge { display: inline-flex; gap: 5px; align-items: center; font-size: .72rem; font-weight: 600; line-height: 1;
  padding: 4px 8px; border-radius: 999px; white-space: nowrap; color: var(--ink-2); background: var(--neutral-bg); }
.b-verified { color: var(--good); background: var(--good-bg); }
.b-secondary { color: var(--serious); background: var(--serious-bg); }
.b-disputed { color: var(--critical); background: var(--critical-bg); }
.b-pending, .b-superseded { color: var(--ink-3); background: var(--neutral-bg); }
.kind { display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
.k-cost-of-failure { color: var(--red-ink); }
.k-cost-to-deliver { color: var(--accent); }
.k-the-pie { color: var(--brass); }
h2 .kind { margin-left: 10px; vertical-align: middle; font-family: var(--sans); }

/* ---------------------------------------------------------------- charts */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
@media (min-width: 720px) { .panel { padding: 32px; } }
.waffle { display: flex; flex-wrap: wrap; gap: 32px; align-items: center; margin: 0; }
.waffle svg { max-width: 100%; height: auto; flex: 0 1 260px; }
.waffle figcaption { flex: 1 1 300px; }
.legend { list-style: none; padding: 0; margin: 0 0 16px; }
.legend li { display: grid; grid-template-columns: 14px 5em 1fr; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); }
.legend li:last-child { border-bottom: 0; }
.legend strong { font: 600 1.25rem/1 var(--serif); font-variant-numeric: lining-nums tabular-nums; }
.sw { width: 14px; height: 14px; border-radius: 3px; transform: translateY(1px); }
.c1{background:var(--s1)}.c2{background:var(--s2)}.c3{background:var(--s3)}.c4{background:var(--s4)}.c5{background:var(--s5)}.c6{background:var(--s6)}.c7{background:var(--s7)}.c8{background:var(--s8)}

ol.bars { list-style: none; padding: 0; margin: 0 0 12px; }
ol.bars li { display: grid; grid-template-columns: minmax(9em, 15em) 1fr 5.4em; gap: 14px; align-items: center; padding: 5px 0; }
ol.bars .bl { color: var(--ink-2); text-decoration: none; text-align: right; font-size: .9rem; line-height: 1.25; }
ol.bars .bl:hover { color: var(--accent); text-decoration: underline; }
svg.bar { width: 100%; height: 20px; display: block; background: var(--sunk); border-radius: 2px; }
ol.bars .bv data { font-weight: 600; font-variant-numeric: tabular-nums; font-size: .9rem; }
@media (max-width: 560px) {
  ol.bars li { grid-template-columns: 1fr 4.8em; gap: 2px 10px; }
  ol.bars .bl { grid-column: 1 / -1; text-align: left; }
}
figure.hbar { margin: 0; }
figcaption.muted { line-height: 1.5; }
details.tbl { margin: 16px 0 0; }
summary { cursor: pointer; color: var(--accent); font-weight: 500; font-size: .92rem; }

/* ---------------------------------------------------------------- stages */
ol.stages { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
@media (min-width: 900px) { ol.stages { grid-template-columns: repeat(5, 1fr); } }
ol.stages li { background: var(--surface); padding: 18px; display: flex; flex-direction: column; gap: 6px; min-height: 150px; }
ol.stages li:hover { background: var(--paper); }
ol.stages a { text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 6px; font-weight: 600; line-height: 1.3; }
ol.stages a::after { content: ""; position: absolute; }
ol.stages .n { font: 600 2rem/1 var(--serif); color: var(--line-strong); background: none; width: auto; height: auto; display: block; }
ol.stages .muted { margin-top: auto; }
.n { display: inline-grid; place-items: center; width: 1.7em; height: 1.7em; border-radius: 50%; background: var(--ledger); color: var(--on-ledger);
  font: 600 .8em/1 var(--sans); vertical-align: .15em; margin-right: 6px; }

/* ---------------------------------------------------------------- findings */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; list-style: none; padding: 0; margin: 0; }
.cards li a { display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 20px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink); text-decoration: none;
  font: 600 1.12rem/1.35 var(--serif); }
.cards li a:hover { border-color: var(--line-strong); }
.cards li a:hover .go { color: var(--accent); }
.cards .go { margin-top: auto; font: 500 .85rem/1 var(--sans); color: var(--ink-3); }

article.finding, article.gap, article.stage { padding: 36px 0 8px; border-top: 1px solid var(--line); scroll-margin-top: 16px; }
main > article:first-of-type, main > .intro + article { border-top: 0; }
article.finding .meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .8rem; color: var(--ink-3); margin-bottom: 10px; }
article.finding h2 { max-width: 30em; }
article.finding.sev-high .sev { color: var(--red-ink); font-weight: 700; }
article.finding > p { max-width: 42em; }
.evidence { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 14px 18px; max-width: 42em; font-size: .94rem; }
.evidence strong { display: block; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 4px; }

/* ---------------------------------------------------------------- callout */
.callout { display: grid; gap: 16px 32px; align-items: center; background: var(--brass-soft); border-radius: var(--radius-lg); padding: 28px; }
@media (min-width: 720px) { .callout { grid-template-columns: auto 1fr auto; padding: 32px 40px; } }
.callout .big { font: 600 4rem/1 var(--serif); color: var(--ink); font-variant-numeric: lining-nums; }
.callout p { margin: 0; max-width: 34em; }
.callout h2 { margin: 0 0 6px; font-size: 1.4rem; }
.btn { display: inline-block; background: var(--ledger); color: var(--on-ledger); text-decoration: none; font-weight: 600; font-size: .95rem;
  padding: 12px 18px; border-radius: var(--radius-sm); white-space: nowrap; }
.btn:hover { background: var(--ledger-deep); text-decoration: none; }

/* ---------------------------------------------------------------- tables & misc */
.pending { background: var(--sunk); border: 1px dashed var(--line-strong); border-radius: var(--radius-md); padding: 14px 16px; color: var(--ink-2); }
table { border-collapse: collapse; width: 100%; margin: 8px 0 16px; font-size: .92rem; background: var(--surface); }
caption { text-align: left; font-weight: 600; padding: 6px 0 10px; color: var(--ink-2); }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
thead th { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); background: var(--sunk); border-bottom: 1px solid var(--line-strong); }
tbody th { font-weight: 500; }
td data { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-md); margin: 8px 0 24px; }
.scroll table { margin: 0; }
.scroll tr:last-child > * { border-bottom: 0; }
table.data tr:target { background: var(--brass-soft); }
table.data th[scope=row] { min-width: 15em; }
table.data td:nth-child(3), table.data td:nth-child(5) { white-space: nowrap; }
.unknowns { padding-left: 1.2em; } .unknowns li { margin: 6px 0; }
pre.foi { white-space: pre-wrap; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 18px;
  font: .86rem/1.6 var(--mono); max-width: 48em; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; font-size: .92rem; margin: 16px 0; }
dt { color: var(--ink-3); } dd { margin: 0; }
ul.changes { list-style: none; padding: 0; max-width: 48em; }
ul.changes li { display: grid; grid-template-columns: 7.5em 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
ul.sources { padding-left: 1.2em; } ul.sources li { margin: 8px 0; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; font-size: .88rem; }
.toc a { color: var(--ink-2); text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; }
.toc a:hover { border-color: var(--line-strong); color: var(--ink); }
.downloads { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.downloads a { font: 500 .85rem/1 var(--mono); padding: 8px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; }
.intro { padding-top: 32px; }

/* ---------------------------------------------------------------- footer */
footer.site { margin-top: 80px; background: var(--ledger-deep); color: var(--on-ledger-2); font-size: .9rem; }
footer.site .wrap { padding-top: 40px; padding-bottom: 48px; display: grid; gap: 24px; }
@media (min-width: 880px) { footer.site .wrap { grid-template-columns: 1fr 1.6fr; } }
footer.site strong { color: var(--on-ledger); }
footer.site a { color: var(--on-ledger); }
footer.site .brand { color: var(--on-ledger); margin-bottom: 12px; }
footer.site p { margin: 0 0 .8em; }
footer.site .muted { color: var(--on-ledger-2); opacity: .85; }