@charset "UTF-8";
:root {
  color-scheme: dark;
  --bg: #10161e;
  --surface: #141e28;
  --ink: #e5eaf0;
  --body: #c9d2dc;
  --muted: #99a8b7;
  --line: #2d3947;
  --accent: #6bd0c5;
  --header-height: 59px;
  --sans: "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body { margin: 0; background: var(--bg); color: var(--body); font: 16px/1.75 var(--sans); }
a { color: var(--accent); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
button, summary { cursor: pointer; }
img { max-width: 100%; height: auto; }
::selection { background: #2e5959; color: #fff; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); }
.skip { position: fixed; top: -100px; left: 20px; background: var(--accent); color: var(--bg); padding: 10px 18px; z-index: 20; }
.skip:focus { top: 8px; }
.site-header { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
.nav-shell { max-width: 1440px; min-height: var(--header-height); margin: auto; padding: 17px 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { font-size: 17px; line-height: 1.4; font-weight: 650; color: var(--ink); text-decoration: none; letter-spacing: -.2px; white-space: nowrap; }
.wordmark span { color: var(--muted); font-weight: 400; }
.site-header nav { display: flex; align-items: center; gap: 27px; font-size: 12px; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--accent); }
.nav-pdf { padding-left: 25px; border-left: 1px solid var(--line); }
.reading-layout { display: grid; grid-template-columns: 228px minmax(0, 930px); gap: 66px; max-width: 1320px; padding: 0 40px; margin: 51px auto 86px; align-items: start; }
.contents { position: sticky; top: 100px; max-height: calc(100vh - 130px); overflow: auto; scrollbar-width: thin; scrollbar-color: var(--line) transparent; padding-right: 12px; }
.contents-title { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 1.3px; text-decoration: none; color: var(--ink); margin-bottom: 19px; font-weight: 600; }
.contents ol, .mobile-toc ol { list-style: none; margin: 0; padding: 0; }
.contents li { margin: 0 0 4px; }
.contents li a { display: flex; align-items: baseline; gap: 11px; padding: 6px 0 6px 10px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.5; text-decoration: none; }
.contents li a span { font: 10px/1.5 var(--mono); color: #7f90a1; flex: 0 0 16px; }
.contents li a.active { border-left-color: var(--accent); color: var(--ink); }
.contents li a.active span { color: var(--accent); }
.contents li a:hover { color: var(--accent); }
.contents-extra { display: grid; gap: 9px; border-top: 1px solid var(--line); margin-top: 23px; padding-top: 19px; font-size: 11px; }
.contents-extra a { color: var(--muted); text-decoration: none; }
.contents-extra a:hover { color: var(--accent); }
.mobile-toc { display: none; }
.prose { min-width: 0; font-size: 17px; line-height: 1.83; }
.prose p { margin-bottom: 22px; }
.prose p, .prose > ul, .prose > ol, .chapter > ul, .chapter > ol { max-width: 78ch; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul, .prose ol { padding-left: 23px; }
.prose li { margin-bottom: 9px; }
.prose li::marker { color: var(--muted); }
.eyebrow { margin: 0 0 20px; font: 600 10px/1.5 var(--sans); text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent); }
.report-head { padding-bottom: 36px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.report-head h1 { margin: 0 0 9px; font-size: clamp(42px, 4.7vw, 60px); font-weight: 620; line-height: 1.06; letter-spacing: -2px; }
.report-subtitle { font-size: clamp(21px, 2.1vw, 27px); line-height: 1.35; color: var(--ink); font-weight: 400; letter-spacing: -.45px; margin-bottom: 22px !important; }
.report-author { font-size: 14px; font-weight: 550; margin-bottom: 22px !important; color: var(--ink); }
.report-meta { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 20px; margin: 0 0 25px; padding: 17px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.report-meta dt { font-size: 10px; font-weight: 550; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 6px; }
.report-meta dd { margin: 0; font-size: 12px; line-height: 1.55; color: var(--ink); }
.abstract h2, .key-findings h2 { margin: 0 0 9px; font-size: 12px; line-height: 1.5; font-weight: 600; letter-spacing: .3px; }
.abstract p { font-size: 16px; line-height: 1.75; margin-bottom: 20px; }
.key-findings { margin-top: 20px; }
.key-findings ul { padding: 0; margin: 0; list-style: none; }
.key-findings li { position: relative; padding-left: 17px; margin-bottom: 6px; font-size: 14px; line-height: 1.65; }
.key-findings li::before { content: ""; position: absolute; top: 10px; left: 1px; width: 4px; height: 4px; background: var(--accent); }
.chapter { margin-bottom: 45px; padding-bottom: 31px; border-bottom: 1px solid var(--line); }
.chapter-heading { display: flex; gap: 16px; align-items: center; margin-bottom: 15px; }
/* Monospace numerals sit slightly high against the heading's visible capitals. */
.chapter-number { flex: 0 0 auto; color: var(--accent); font: 18px/1.5 var(--mono); transform: translateY(2px); }
.chapter h2 { margin: 0; font-size: 29px; font-weight: 590; line-height: 1.24; letter-spacing: -.6px; }
.deck { font-size: 16px; line-height: 1.7; color: var(--muted); margin-bottom: 27px !important; }
.prose h3 { font-size: 21px; font-weight: 600; line-height: 1.4; margin: 34px 0 16px; letter-spacing: -.2px; }
.prose code { color: #dce9ef; background: #1b2733; font: .84em/1.55 var(--mono); padding: 2px 4px; overflow-wrap: anywhere; }
.prose pre { margin: 26px 0; padding: 19px 22px; overflow-x: auto; background: #0b1118; border: 1px solid var(--line); border-left: 2px solid #4e8e91; tab-size: 4; }
.prose pre code { display: block; padding: 0; background: transparent; font-size: 12.5px; line-height: 1.7; overflow-wrap: normal; white-space: pre; }
.prose blockquote { margin: 26px 0; border-left: 2px solid var(--accent); padding: 0 0 0 22px; color: var(--muted); }
.table-scroll { width: 100%; margin: 28px 0; overflow-x: auto; border-top: 1px solid #63727f; border-bottom: 1px solid var(--line); }
.prose table { width: 100%; min-width: 540px; border-collapse: collapse; text-align: left; font-size: 13px; line-height: 1.7; }
.prose th { background: #18232f; color: var(--ink); font-weight: 600; }
.prose td, .prose th { padding: 13px 15px; vertical-align: top; border-bottom: 1px solid var(--line); }
.prose tr:last-child td, .prose tr:last-child th { border-bottom: 0; }
.prose thead th { border-bottom: 1px solid #596876 !important; }
.prose td:first-child, .prose th:first-child { padding-left: 13px; }
.prose td code { font-size: .88em; }
.evidence-figure, .diagram-figure { margin: 37px 0 34px; }
.figure-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; border-top: 1px solid var(--line); padding: 11px 0; }
.figure-top .eyebrow { margin: 0; font-size: 9px; letter-spacing: .9px; color: var(--muted); }
.figure-top > a { flex: 0 0 auto; font-size: 11px; }
.figure-image { display: block; background: #0b1118; }
.figure-image img, .diagram-figure > img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.prose figcaption { margin-top: 13px; color: var(--muted); font-size: 12px; line-height: 1.75; }
figcaption strong { display: block; margin-bottom: 5px; }
.figure-refs { display: block; margin-top: 8px; font-size: 11px; }
.report-resources h2 { font-size: 24px; font-weight: 580; line-height: 1.35; }
.report-resources p { font-size: 15px; }
.site-footer { max-width: 1320px; padding: 29px 40px 36px; margin: auto; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.3fr 1fr auto; align-items: start; gap: 30px; color: var(--muted); font-size: 11px; }
.site-footer strong { color: var(--ink); font-weight: 600; font-size: 12px; }
.site-footer p { margin: 6px 0 0; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.page-hero { max-width: 1180px; margin: auto; padding: 53px 40px 29px; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0 0 16px; font-size: 42px; font-weight: 600; line-height: 1.16; letter-spacing: -1.1px; }
.page-hero > p:not(.eyebrow) { max-width: 760px; color: var(--muted); font-size: 17px; line-height: 1.65; margin-bottom: 8px; }
.companion-body, .evidence-body { max-width: 1180px; padding: 0 40px; margin: 0 auto 70px; }
.resource-group { display: grid; grid-template-columns: 320px 1fr; gap: 65px; border-bottom: 1px solid var(--line); padding: 33px 0; }
.resource-group h2 { font-size: 23px; line-height: 1.35; font-weight: 580; margin-bottom: 13px; }
.resource-group p { font-size: 14px; color: var(--muted); }
.resource-group ul { list-style: none; padding: 0; margin: 0; }
.resource-group li > a { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; text-decoration: none; border-bottom: 1px solid var(--line); font-size: 14px; }
.resource-group li:last-child > a { border-bottom: none; }
.source-page { max-width: 1030px; padding: 0 40px; margin: 31px auto 75px; }
.source-bar { display: flex; justify-content: space-between; gap: 24px; font-size: 11px; margin-bottom: 36px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.source-prose h1 { font-size: 36px; font-weight: 600; line-height: 1.2; letter-spacing: -.8px; margin-bottom: 24px; }
.source-prose h2 { font-size: 27px; font-weight: 580; line-height: 1.3; margin: 38px 0 19px; }
.source-prose img { display: block; margin: 25px 0; }
.evidence-body > .prose { padding: 32px 0 5px; }
.evidence-body > .prose h2 { font-size: 26px; font-weight: 580; line-height: 1.3; }
.identity-table small { display: block; color: var(--muted); font-weight: 400; margin-top: 5px; }
.prose code.hash { background: transparent; padding: 0; font-size: 11px; color: var(--body); }
.ledger-entry { display: grid; grid-template-columns: minmax(280px, .9fr) 1fr; gap: 32px; padding: 29px 0; border-bottom: 1px solid var(--line); align-items: start; }
.ledger-thumb { display: block; }
.ledger-thumb img { display: block; width: 100%; border: 1px solid var(--line); }
.ledger-entry .eyebrow { margin-bottom: 10px; }
.ledger-entry h3 { margin: 0 0 12px; font-size: 21px; line-height: 1.35; font-weight: 580; }
.ledger-entry p { margin-bottom: 13px; color: var(--muted); font-size: 13px; }
.ledger-entry strong { color: var(--ink); }
.dialog-open { overflow: hidden; }
dialog { width: min(96vw, 1600px); max-height: 95vh; padding: 20px; color: var(--ink); background: var(--bg); border: 1px solid #63717e; }
dialog[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto auto; height: 95vh; height: 95dvh; max-height: 95dvh; }
dialog::backdrop { background: #060a10ec; }
.dialog-top { display: flex; justify-content: space-between; gap: 22px; align-items: center; margin-bottom: 15px; }
.dialog-top h2 { min-width: 0; margin: 0; font-size: 16px; font-weight: 550; line-height: 1.4; overflow-wrap: anywhere; }
.dialog-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.close-dialog, #figure-scale { flex-shrink: 0; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: 12px/1.5 var(--sans); padding: 7px 12px; }
.dialog-scroll { overflow: auto; min-height: 0; background: #080d13; }
.dialog-scroll img { display: block; width: 100%; max-width: 100%; height: 100%; object-fit: contain; }
.dialog-scroll.native-size img { width: auto; max-width: none; height: auto; }
#figure-scale[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
#dialog-caption { font-size: 12px; color: var(--muted); margin: 13px 0 7px; }
#dialog-original { font-size: 11px; }
@media (min-width: 1550px) {
  .reading-layout { grid-template-columns: 235px minmax(0, 990px); max-width: 1390px; gap: 80px; }
}
@media (max-width: 1100px) {
  .nav-shell { padding-right: 30px; padding-left: 30px; }
  .reading-layout { grid-template-columns: 195px minmax(0, 1fr); padding: 0 30px; gap: 38px; }
  .contents li a { font-size: 11px; }
  .report-meta { grid-template-columns: 1fr 1fr; gap: 15px 20px; }
  .research-status { grid-column: 1 / -1; }
  .chapter h2 { font-size: 27px; }
  .resource-group { grid-template-columns: 260px 1fr; gap: 40px; }
  .site-footer { padding-left: 30px; padding-right: 30px; }
}
@media (max-width: 820px) {
  :root { --header-height: 55px; }
  html { scroll-padding-top: 123px; }
  .nav-shell { padding: 15px 24px; }
  .reading-layout { display: block; margin: 33px 0 55px; padding: 0 28px; }
  .contents { display: none; }
  .mobile-toc { display: block; position: sticky; top: var(--header-height); z-index: 9; margin: 0; padding: 0 28px; background: var(--bg); border-bottom: 1px solid var(--line); max-height: calc(100vh - 75px); overflow: auto; }
  .mobile-toc summary { font-size: 12px; font-weight: 500; padding: 12px 0; color: var(--muted); }
  .mobile-toc[open] summary { color: var(--accent); }
  .mobile-toc nav { padding-bottom: 16px; }
  .mobile-toc li a { display: flex; gap: 13px; font-size: 12px; line-height: 1.55; text-decoration: none; color: var(--body); padding: 6px 0; }
  .mobile-toc li a span { font: 10px/1.6 var(--mono); color: var(--muted); padding-top: 1px; }
  .report-head { padding-bottom: 28px; margin-bottom: 33px; }
  .report-head h1 { font-size: 48px; }
  .report-subtitle { font-size: 24px; }
  .report-meta { grid-template-columns: 1fr 1fr 1.3fr; }
  .research-status { grid-column: auto; }
  .prose { font-size: 16px; }
  .prose pre { padding: 16px 18px; }
  .chapter { margin-bottom: 34px; padding-bottom: 25px; }
  .chapter h2 { font-size: 27px; }
  .chapter-heading { gap: 12px; }
  .deck { font-size: 15px; }
  .prose h3 { font-size: 20px; }
  .resource-group { grid-template-columns: 230px 1fr; gap: 30px; }
  .page-hero, .companion-body, .evidence-body { padding-left: 28px; padding-right: 28px; }
  .page-hero h1 { font-size: 37px; }
  .source-page { padding: 0 28px; }
  .source-prose h1 { font-size: 31px; }
  .source-prose h2 { font-size: 25px; }
  .ledger-entry { grid-template-columns: minmax(220px, .9fr) 1fr; gap: 24px; }
  .site-footer { grid-template-columns: 1fr 1fr; padding: 27px 28px 33px; gap: 23px; }
  .site-footer > a { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .wordmark span { display: none; }
  .site-header nav { font-size: 11px; gap: 17px; }
  .nav-pdf { padding-left: 17px; }
  .nav-shell { padding: 15px 20px; gap: 15px; }
  .reading-layout { padding: 0 22px; margin-top: 28px; }
  .mobile-toc { padding: 0 22px; }
  .report-head h1 { font-size: 43px; letter-spacing: -1.4px; }
  .report-subtitle { font-size: 22px; line-height: 1.4; letter-spacing: -.35px; }
  .eyebrow { font-size: 9px; letter-spacing: 1.3px; margin-bottom: 17px; }
  .report-meta { grid-template-columns: 1fr 1fr; padding: 15px 0; }
  .report-meta dt { font-size: 9px; }
  .report-meta dd { font-size: 11px; }
  .research-status { grid-column: 1 / -1; }
  .research-status dt { display: inline; margin-right: 10px; }
  .research-status dd { display: inline; }
  .report-author { font-size: 13px; }
  .abstract p { font-size: 15px; line-height: 1.75; }
  .key-findings li { font-size: 13px; }
  .chapter-heading { display: block; }
  .chapter-number { display: block; margin-bottom: 9px; transform: none; }
  .chapter h2 { font-size: 26px; line-height: 1.26; }
  .prose { font-size: 15.5px; line-height: 1.8; }
  .prose h3 { font-size: 20px; }
  .prose pre code { font-size: 11px; }
  .prose table { font-size: 12px; }
  .prose td, .prose th { padding: 11px 12px; }
  .evidence-figure, .diagram-figure { margin: 28px -6px; }
  .figure-top .eyebrow { font-size: 8px; letter-spacing: .65px; }
  .figure-top > a { font-size: 10px; }
  .prose figcaption { font-size: 11px; padding: 0 6px; }
  .figure-refs { font-size: 10px; }
  .page-hero { padding: 35px 22px 25px; }
  .page-hero h1 { font-size: 34px; }
  .page-hero > p:not(.eyebrow) { font-size: 16px; }
  .companion-body, .evidence-body { padding: 0 22px; }
  .resource-group { display: block; padding: 27px 0; }
  .resource-group ul { margin-top: 18px; }
  .resource-group li > a { font-size: 13px; }
  .source-page { padding: 0 22px; margin-top: 25px; }
  .source-bar { font-size: 10px; gap: 18px; margin-bottom: 28px; }
  .source-prose h1 { font-size: 29px; }
  .source-prose h2 { font-size: 23px; }
  .ledger-entry { display: flex; flex-direction: column; gap: 20px; }
  .ledger-thumb { width: 100%; }
  .ledger-entry h3 { font-size: 20px; }
  .site-footer { display: block; padding: 25px 22px 30px; }
  .site-footer nav { margin: 21px 0; }
  dialog { padding: 13px; }
  .dialog-top { gap: 13px; align-items: flex-start; }
  .dialog-actions { gap: 6px; }
  .close-dialog, #figure-scale { padding: 6px 8px; font-size: 10px; }
  .dialog-top h2 { font-size: 13px; }
  #dialog-caption { font-size: 11px; }
}
@media (max-width: 380px) {
  .nav-shell { padding-left: 16px; padding-right: 16px; gap: 12px; }
  .wordmark { font-size: 14px; }
  .site-header nav { font-size: 10px; gap: 10px; }
  .nav-pdf { padding-left: 10px; }
  .reading-layout { padding-left: 18px; padding-right: 18px; }
  .mobile-toc { padding-left: 18px; padding-right: 18px; }
  .report-head h1 { font-size: 40px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  :root { color-scheme: light; --bg: #fff; --body: #243342; --ink: #142330; --muted: #536473; --line: #c6d0d7; --accent: #17675f; }
  .site-header, .contents, .mobile-toc, .site-footer, .figure-top a, dialog { display: none !important; }
  .reading-layout { display: block; margin: 0; padding: 0; }
  .prose { font-size: 10.5pt; line-height: 1.65; }
  .report-head h1 { font-size: 34pt; }
  .report-subtitle { font-size: 19pt; }
  .chapter h2 { font-size: 21pt; }
  .chapter { break-inside: auto; }
  .evidence-figure, .diagram-figure { break-inside: avoid; }
  .table-scroll { overflow: visible; }
  .prose table { min-width: 0; font-size: 8pt; }
  .prose pre { white-space: pre-wrap; background: #f5f7f8; }
  .prose pre code { white-space: pre-wrap; overflow-wrap: anywhere; }
  .prose code, .prose th { background: #eef2f4; color: var(--ink); }
  a { color: inherit; }
}