@font-face {
  font-family: "Newsreader";
  src: url("newsreader-latin-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 9rem; }
body { margin: 0; background: var(--cp-surface); color: var(--cp-text); font: 1rem/1.55 "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif; }
button, input, select { font: inherit; }
button, select, summary { cursor: pointer; }
button, input, select { color: var(--cp-text); }
button { border: 0; }
button:disabled { cursor: default; opacity: .5; }
a { color: var(--cp-link); text-underline-offset: .2em; }
a:hover { color: var(--cp-accent); }
button, a, summary, input, select { -webkit-tap-highlight-color: var(--cp-accent-soft); }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--cp-accent); outline-offset: 4px; }
[hidden] { display: none !important; }
::selection { background: var(--cp-highlight); color: var(--cp-text); }
h1, h2, h3, p, blockquote { margin: 0; }
h1, h2, h3 { overflow-wrap: anywhere; }
svg.lucide, i[data-lucide] { display: inline-block; width: 1.2rem; height: 1.2rem; flex-shrink: 0; stroke-width: 1.65; vertical-align: middle; }
img { max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.eyebrow { color: var(--cp-text-muted); font-size: .6875rem; font-weight: 650; text-transform: uppercase; line-height: 1.5; }
.skip-link { position: fixed; top: .6rem; left: 1rem; z-index: 100; padding: .6rem 1rem; background: var(--cp-accent); color: var(--cp-accent-fg); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); color: var(--cp-accent-fg); }

.site-header { position: sticky; top: 0; z-index: 30; background: var(--cp-surface); border-bottom: 1px solid var(--cp-border); }
.header-inner { max-width: 78rem; min-height: 4.5rem; padding: 0 2.5rem; margin: auto; display: flex; align-items: center; gap: 3.5rem; }
.brand { display: inline-flex; gap: .6rem; align-items: center; color: var(--cp-text); text-decoration: none; }
.brand > span { font: 400 1.75rem/1 "Newsreader", Georgia, serif; }
.brand > svg { width: 1.4rem; height: 1.4rem; color: var(--cp-accent); }
.brand-period, .title-period { color: var(--cp-accent); }
.header-nav { display: flex; gap: 2rem; align-self: stretch; align-items: stretch; }
.header-nav a { position: relative; display: inline-flex; align-items: center; gap: .4rem; color: var(--cp-text-muted); font-size: .8125rem; text-decoration: none; }
.header-nav a:hover, .header-nav a[aria-current="page"] { color: var(--cp-text); }
.header-nav a[aria-current="page"]::after { content: ""; position: absolute; height: 2px; bottom: -1px; left: 0; right: 0; background: var(--cp-accent); }
.header-actions { display: flex; gap: .5rem; margin-left: auto; }
.saved-count { font-size: .65rem; color: var(--cp-accent); font-weight: 700; }
.icon-button { position: relative; width: 2.5rem; height: 2.5rem; padding: 0; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; background: none; border-radius: .625rem; color: var(--cp-text-muted); }
.icon-button:hover, .icon-button[aria-pressed="true"] { color: var(--cp-accent); background: var(--cp-accent-soft); }
.save-note[aria-pressed="true"] svg { fill: var(--cp-accent-soft); }
[data-tooltip]::after { content: attr(data-tooltip); position: absolute; z-index: 80; top: calc(100% + .5rem); right: 0; width: max-content; max-width: 13rem; padding: .4rem .65rem; border-radius: .3rem; background: var(--cp-text); color: var(--cp-surface); font-size: .6875rem; line-height: 1.4; font-weight: 500; visibility: hidden; opacity: 0; pointer-events: none; transform: translateY(-3px); transition: opacity .15s, transform .15s; }
[data-tooltip]:hover::after, [data-tooltip]:focus-visible::after { visibility: visible; opacity: 1; transform: translateY(0); }

.home-main { max-width: 78rem; margin: auto; padding: 0 2.5rem; }
.library-intro { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding: 3.25rem 0 2.75rem; }
.intro-copy { max-width: 40rem; min-width: 0; }
.intro-copy > .eyebrow { display: flex; align-items: center; gap: 2rem; color: var(--cp-accent); }
.intro-edition { color: var(--cp-text-soft); font-size: .625rem; font-variant-numeric: tabular-nums; }
.library-intro h1 { font: 400 5.5rem/1.08 "Newsreader", Georgia, serif; margin: .65rem 0 0; }
.intro-deck { font: 400 1.65rem/1.4 "Newsreader", Georgia, serif; }
.book-credit { color: var(--cp-text-muted); font-size: .75rem; margin-top: .75rem; }
.book-credit > span { padding: 0 .3rem; }
.book-object { display: flex; flex-shrink: 0; align-items: center; gap: 1.75rem; margin-right: 1rem; }
.book-object img { display: block; width: 6.25rem; height: 9.5rem; object-fit: contain; box-shadow: .3rem .35rem 0 var(--cp-border); }
.book-object > div > p { font-size: .875rem; line-height: 1.9; margin: .5rem 0 .7rem; }
.book-object strong { font-weight: 600; }
.book-range { font-size: .7rem; color: var(--cp-text-muted); }
.reference-shelf { padding: 1.25rem 0 1.4rem; border-top: 1px solid var(--cp-border); border-bottom: 1px solid var(--cp-border); }
.shelf-heading { display: flex; align-items: baseline; gap: .85rem; margin-bottom: .9rem; }
.shelf-heading h2 { font: 400 1.45rem/1.3 "Newsreader", Georgia, serif; }
.shelf-heading > span { font-size: .6875rem; color: var(--cp-text-muted); }
.reference-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: .625rem; }
.reference-link { min-height: 5.25rem; position: relative; padding: .85rem; color: var(--cp-text); text-decoration: none; background: var(--cp-surface-soft); border: 1px solid var(--cp-border); border-radius: .5rem; display: flex; flex-direction: column; gap: .65rem; justify-content: space-between; font-size: .75rem; font-weight: 600; transition: border-color .18s, background .18s; }
.reference-link:hover { color: var(--cp-text); background: var(--cp-accent-soft); border-color: var(--cp-accent); }
.reference-icon { color: var(--cp-accent); }
.reference-link .reference-arrow { position: absolute; right: .7rem; top: .85rem; width: .95rem; height: .95rem; color: var(--cp-text-soft); }

.library-layout { display: grid; grid-template-columns: minmax(0, 1fr) 16.5rem; gap: 3.75rem; padding-top: 2rem; }
.library-catalog { min-width: 0; scroll-margin-top: 5.5rem; }
.collection-anchor { display: block; scroll-margin-top: 5.5rem; }
.library-tabs { display: flex; gap: 1.75rem; border-bottom: 1px solid var(--cp-border); margin-bottom: 1rem; }
.library-tabs button { background: none; padding: 0 0 .8rem; min-height: 2.5rem; font-size: .875rem; font-weight: 600; color: var(--cp-text-muted); position: relative; }
.library-tabs button span { margin-left: .3rem; color: var(--cp-text-soft); font-size: .6875rem; font-weight: 500; }
.library-tabs button[aria-selected="true"] { color: var(--cp-text); }
.library-tabs button[aria-selected="true"]::after { content: ""; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; background: var(--cp-accent); }
.catalog-filters { display: flex; align-items: stretch; gap: .75rem; }
.search-field { display: flex; align-items: center; gap: .6rem; min-width: 0; flex: 1; min-height: 2.875rem; padding: 0 .85rem; border: 1px solid var(--cp-border); border-radius: .625rem; background: var(--cp-surface); }
.search-field:focus-within { border-color: var(--cp-accent); outline: 2px solid var(--cp-highlight); }
.search-field > svg { width: 1.05rem; height: 1.05rem; color: var(--cp-text-muted); }
.search-field input { min-width: 0; width: 100%; border: 0; outline: 0; background: none; font-size: .8125rem; padding: .7rem 0; }
.search-field input:focus-visible { outline: 0; }
.search-field input::-webkit-search-cancel-button { display: none; }
.search-field input::placeholder { color: var(--cp-text-soft); }
.search-field .icon-button { width: 1.75rem; height: 2rem; }
.stage-filter { display: flex; gap: .5rem; align-items: center; padding-left: .65rem; border: 1px solid var(--cp-border); border-radius: .625rem; }
.stage-filter > svg { width: 1rem; height: 1rem; color: var(--cp-text-muted); }
.stage-filter select { width: 9rem; padding: .6rem .35rem; border: 0; background: none; font-size: .75rem; }
.result-status { font-size: .6875rem; color: var(--cp-text-muted); min-height: 1rem; margin: .8rem 0 1rem; }
.part-heading { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; padding: .8rem 0; border-bottom: 1px solid var(--cp-border); }
.part-heading h2 { font-size: .75rem; font-weight: 650; }
.part-heading > span { font-size: .625rem; color: var(--cp-text-soft); text-transform: uppercase; }
.chapter-part + .chapter-part { margin-top: 1.75rem; }
.chapter-list { margin: 0; padding: 0; list-style: none; }
.library-row { position: relative; display: flex; align-items: center; border-bottom: 1px solid var(--cp-border); }
.row-link { display: flex; gap: 1.1rem; flex: 1; min-width: 0; padding: 1.15rem .25rem 1.15rem 0; text-decoration: none; color: var(--cp-text); align-items: flex-start; }
.row-link:hover { color: var(--cp-text); }
.library-row:hover .row-copy h3 { color: var(--cp-accent); }
.chapter-number { width: 2rem; flex-shrink: 0; padding-top: .15rem; color: var(--cp-text-soft); font: 400 1.45rem/1.25 "Newsreader", Georgia, serif; }
.row-copy { flex: 1; min-width: 0; }
.row-copy h3 { font-size: 1rem; font-weight: 600; line-height: 1.4; transition: color .15s; }
.row-summary { font-size: .8125rem; line-height: 1.5; color: var(--cp-text-muted); margin-top: .25rem; }
.row-meta { display: flex; align-items: center; gap: 1rem; font-size: .6875rem; color: var(--cp-text-soft); margin-top: .4rem; }
.read-marker { display: inline-flex; align-items: center; gap: .25rem; color: var(--cp-text-muted); }
.read-marker svg { width: .85rem; height: .85rem; color: var(--cp-success); }
.row-arrow { margin: .2rem .3rem 0 .5rem; color: var(--cp-text-soft); }
.library-row > .save-note { margin-left: .35rem; }
.result-context { margin: .5rem 0 .15rem; font-size: .75rem; color: var(--cp-text-muted); }
mark { color: var(--cp-text); background: var(--cp-highlight); border-radius: .12rem; }
.empty-state { text-align: center; padding: 4rem 1rem; border-bottom: 1px solid var(--cp-border); }
.empty-state > svg { width: 1.75rem; height: 1.75rem; color: var(--cp-accent); margin-bottom: 1rem; }
.empty-state h2 { font: 400 1.75rem/1.3 "Newsreader", Georgia, serif; }
.empty-state p { color: var(--cp-text-muted); font-size: .875rem; margin: .6rem 0 1rem; }
.text-button { display: inline-flex; align-items: center; gap: .5rem; font-size: .8125rem; font-weight: 600; background: none; color: var(--cp-accent); padding: .5rem 0; }
.library-aside { min-width: 0; }
.your-reading { border-top: 2px solid var(--cp-accent); padding-top: 1rem; }
.resume-link { display: flex; align-items: flex-start; gap: .85rem; color: var(--cp-text); text-decoration: none; margin: 1rem 0 1.25rem; }
.resume-link > span:first-child { color: var(--cp-accent); font: 400 2.125rem/1.2 "Newsreader", Georgia, serif; }
.resume-link > span:nth-child(2) { min-width: 0; flex: 1; }
.resume-link strong { display: block; font-size: .875rem; line-height: 1.45; font-weight: 600; overflow-wrap: anywhere; }
.resume-link small { display: block; color: var(--cp-text-muted); font-size: .7rem; margin-top: .35rem; }
.resume-link > svg { width: 1rem; height: 1rem; margin-top: .2rem; }
.reading-stats p { display: flex; justify-content: space-between; font-size: .6875rem; color: var(--cp-text-muted); }
.reading-stats strong { color: var(--cp-text); font-weight: 600; }
progress { display: block; height: 3px; width: 100%; margin-top: .6rem; border: 0; background: var(--cp-border); accent-color: var(--cp-accent); }
progress::-webkit-progress-bar { background: var(--cp-border); }
progress::-webkit-progress-value { background: var(--cp-accent); }
progress::-moz-progress-bar { background: var(--cp-accent); }
.margin-note { margin-top: 2rem; padding: 1.5rem 0; border-top: 1px solid var(--cp-border); border-bottom: 1px solid var(--cp-border); background: repeating-linear-gradient(0deg, var(--cp-surface), var(--cp-surface) 23px, var(--cp-surface-soft) 24px); }
.margin-note > svg { color: var(--cp-accent); width: 1.1rem; height: 1.1rem; }
.margin-note h2 { font: 400 1.7rem/1.2 "Newsreader", Georgia, serif; margin: .75rem 0; }
.margin-note > p { max-width: 16rem; color: var(--cp-text-muted); font-size: .8125rem; line-height: 1.65; }
.margin-note .margin-credit { margin-top: .9rem; font-size: .65rem; }
.evidence-key { border-bottom: 1px solid var(--cp-border); font-size: .75rem; }
.evidence-key > summary { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: 1rem 0; font-weight: 600; }
.evidence-key > summary svg { width: 1rem; height: 1rem; }
.evidence-key[open] > summary svg { transform: rotate(45deg); }
.evidence-key > p:last-child { padding-bottom: 1rem; }
.label-context { color: var(--cp-text-muted); }
.label-key { margin: 1.25rem 0; }
.label-key > div { margin: .75rem 0; }
.label-key dt { margin-bottom: .2rem; font-size: .6875rem; font-weight: 700; }
.label-key dd { margin: 0; color: var(--cp-text-muted); }
.source-note { margin-top: 1.5rem; }
.source-note > p + p { margin-top: .6rem; font-size: .75rem; line-height: 1.7; color: var(--cp-text-muted); }
.site-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 0; margin-top: 3rem; border-top: 1px solid var(--cp-border); color: var(--cp-text-muted); font-size: .7rem; line-height: 1.9; }
.site-footer > a { display: inline-flex; align-items: center; gap: .5rem; color: var(--cp-text-muted); white-space: nowrap; text-decoration: none; align-self: flex-start; }
.site-footer svg { width: 1rem; height: 1rem; }

.reader-layout { display: grid; grid-template-columns: 14rem minmax(0, 48rem); gap: 4.5rem; max-width: 75rem; padding: 0 2.5rem; margin: auto; justify-content: center; align-items: start; }
.reader-rail { position: sticky; top: 6.5rem; max-height: calc(100dvh - 8rem); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; padding-right: .5rem; margin-top: 2.25rem; }
.back-link { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--cp-text-muted); font-size: .75rem; }
.back-link svg { width: 1rem; height: 1rem; }
.rail-chapter { display: flex; gap: 1rem; align-items: center; padding: 2rem 0 1.75rem; }
.rail-number { color: var(--cp-accent); font: 400 3.5rem/1 "Newsreader", Georgia, serif; }
.rail-chapter p { font-size: .6875rem; line-height: 1.75; }
.rail-chapter p > span { color: var(--cp-text-muted); }
.reader-rail nav > .eyebrow { margin-bottom: .75rem; }
.contents-list { margin: 0; padding: 0; list-style: none; }
.contents-list a { display: block; padding: .4rem .5rem .4rem .85rem; border-left: 1px solid var(--cp-border); font-size: .75rem; line-height: 1.45; color: var(--cp-text-muted); text-decoration: none; }
.contents-list a:hover { color: var(--cp-accent); }
.contents-list a[aria-current="location"] { border-left: 2px solid var(--cp-accent); color: var(--cp-accent); background: var(--cp-accent-soft); padding-left: calc(.85rem - 1px); }
.rail-related { margin-top: 1.5rem; border-top: 1px solid var(--cp-border); padding-top: 1rem; }
.rail-related a { display: flex; align-items: flex-start; justify-content: space-between; gap: .5rem; margin-top: .6rem; font-size: .8125rem; color: var(--cp-text); text-decoration: none; }
.rail-related svg { width: 1rem; height: 1rem; }
.reader-column { min-width: 0; }
.article-heading { padding-top: 2.75rem; }
.article-heading .eyebrow { color: var(--cp-accent); }
.article-heading h1 { font: 400 3.4rem/1.08 "Newsreader", Georgia, serif; margin: .85rem 0 1rem; text-wrap: balance; }
.article-deck { color: var(--cp-text-muted); font-size: .9375rem; max-width: 39rem; line-height: 1.7; }
.mobile-note-meta, .mobile-contents { display: none; }
.reader-toolbar { position: sticky; top: 4.5rem; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .75rem 0; margin-top: 1.5rem; border-top: 1px solid var(--cp-border); border-bottom: 1px solid var(--cp-border); background: var(--cp-surface); }
.reading-modes { display: flex; padding: 3px; background: var(--cp-surface-soft); border: 1px solid var(--cp-border); border-radius: .625rem; }
.reading-modes button { min-height: 2rem; font-size: .75rem; padding: .35rem .8rem; background: none; border-radius: .4rem; color: var(--cp-text-muted); font-weight: 600; }
.reading-modes button[aria-pressed="true"] { background: var(--cp-surface); color: var(--cp-accent); box-shadow: 0 0 0 1px var(--cp-border); }
.reader-tools { display: flex; align-items: center; gap: .3rem; }
.reference-label { display: flex; align-items: center; gap: .5rem; font-size: .75rem; color: var(--cp-text-muted); }
.reference-label svg { width: 1rem; height: 1rem; color: var(--cp-accent); }
.takeaway { margin-top: 1.75rem; border-left: 3px solid var(--cp-accent); padding: .2rem 0 .2rem 1.25rem; }
.takeaway > .eyebrow { color: var(--cp-accent); margin-bottom: .65rem; }
.takeaway blockquote { font: 400 1.35rem/1.55 "Newsreader", Georgia, serif; }
.takeaway blockquote p + p { margin-top: .75rem; }
.takeaway strong { font-weight: 400; }
.takeaway blockquote p:has(a) { font: .8125rem/1.65 "Segoe UI", Aptos, Calibri, sans-serif; }
.medical-note { display: flex; gap: .65rem; color: var(--cp-text-muted); margin: 1.35rem 0 1.75rem; font-size: .6875rem; line-height: 1.6; }
.medical-note svg { color: var(--cp-accent); width: 1rem; height: 1rem; margin-top: .1rem; }
.prose { font-size: 1rem; line-height: 1.85; overflow-wrap: break-word; }
.note-section { margin: 2.5rem 0; }
.note-section > h2 { font: 400 1.95rem/1.2 "Newsreader", Georgia, serif; padding-top: 1.75rem; margin-bottom: 1.2rem; border-top: 1px solid var(--cp-border); }
.note-section:first-child { margin-top: 1.5rem; }
.prose h3 { font-size: 1.0625rem; font-weight: 650; line-height: 1.5; margin: 1.75rem 0 .75rem; }
.prose p + p { margin-top: 1rem; }
.prose p, .prose ul, .prose ol, .prose blockquote { margin-bottom: 1rem; }
.prose ul, .prose ol { padding-left: 1.4rem; margin-top: .75rem; }
.prose li { padding-left: .15rem; margin: .55rem 0; }
.prose li::marker { color: var(--cp-accent); }
.prose strong { font-weight: 650; }
.heading-anchor { font: .8125rem/1 "Segoe UI", sans-serif; text-decoration: none; padding: .25rem .4rem; opacity: 0; color: var(--cp-accent); vertical-align: middle; }
h2:hover > .heading-anchor, h3:hover > .heading-anchor, .heading-anchor:focus-visible { opacity: 1; }
.prose blockquote { border-left: 2px solid var(--cp-border-strong); padding: .5rem 1rem; color: var(--cp-text-muted); background: var(--cp-surface-soft); font-size: .875rem; }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose blockquote:has(.callout-label) { border-color: var(--cp-accent); }
.callout-label { display: block; color: var(--cp-accent); font-size: .6875rem; text-transform: uppercase; margin-bottom: .3rem; }
.recall-caveats { display: none; }
body[data-view="recall"] [data-recall="false"] { display: none; }
body[data-view="recall"] .recall-caveats:not(:empty) { display: block; }
body[data-view="recall"] .note-section blockquote:has(.callout-label) { display: none; }
.table-wrap { width: 100%; overflow-x: auto; overscroll-behavior-x: contain; margin: 1.25rem 0 1.5rem; border-block: 1px solid var(--cp-border); scrollbar-width: thin; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: .8125rem; line-height: 1.65; }
.table-wrap th, .table-wrap td { padding: .9rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--cp-border); }
.table-wrap th { background: var(--cp-surface-soft); font-size: .75rem; font-weight: 650; }
.table-wrap tr:last-child td { border-bottom: 0; }
.table-wrap td:first-child { font-weight: 550; }
.guidance { font-size: .6875rem; font-weight: 700; line-height: 1.5; }
.guidance-must, .guidance-avoid { color: var(--cp-accent); }
.guidance-recommended { color: var(--cp-text); }
.guidance-option, .guidance-try, .guidance-skip { color: var(--cp-text-muted); }
.decision-list { border-block: 1px solid var(--cp-border); }
.decision-row { border-bottom: 1px solid var(--cp-border); }
.decision-row:last-child { border-bottom: 0; }
summary { list-style: none; }
summary::-webkit-details-marker { display: none; }
.decision-row > summary { display: grid; grid-template-columns: 10rem minmax(0, 1fr) 1rem; gap: 1rem; padding: 1rem 0; align-items: start; }
.decision-row > summary:hover .decision-action { color: var(--cp-accent); }
.decision-row > summary > svg { width: 1rem; height: 1rem; margin-top: .2rem; color: var(--cp-text-soft); transition: transform .15s; }
.decision-row[open] > summary > svg { transform: rotate(180deg); }
.decision-call { display: block; padding-top: .2rem; font-size: .625rem; }
.decision-call > strong { font-size: .625rem; line-height: 1.6; }
.decision-action { font-size: .875rem; line-height: 1.65; }
.decision-reason { padding: 0 2rem 1rem 11rem; font-size: .875rem; line-height: 1.8; color: var(--cp-text-muted); }
.decision-reason > p { margin: .35rem 0 0; }
.reason-label { font-size: .625rem; color: var(--cp-accent); text-transform: uppercase; font-weight: 650; }
.prose code { font: .9em Consolas, "Courier New", monospace; background: var(--cp-surface-soft); padding: .1rem .25rem; }
.prose hr { border: 0; border-top: 1px solid var(--cp-border); margin: 2rem 0; }
.full-notes-button { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 1rem 1.25rem; margin: 2rem 0; border: 1px solid var(--cp-border); background: var(--cp-surface-soft); border-radius: .625rem; color: var(--cp-accent); font-size: .875rem; font-weight: 600; }
.full-notes-button:hover { background: var(--cp-accent-soft); border-color: var(--cp-accent); }
.reading-finish { display: flex; justify-content: space-between; gap: 1rem; align-items: center; border-top: 1px solid var(--cp-border); padding-top: 1.5rem; }
.read-toggle { display: flex; align-items: center; gap: .55rem; font-size: .8125rem; cursor: pointer; min-height: 2.75rem; }
.read-toggle input { width: 1.1rem; height: 1.1rem; accent-color: var(--cp-accent); }
.back-to-top { display: flex; align-items: center; gap: .5rem; font-size: .75rem; color: var(--cp-text-muted); text-decoration: none; min-height: 2.75rem; }
.back-to-top svg { width: 1rem; height: 1rem; }
.page-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--cp-border); }
.page-nav-link { color: var(--cp-text); text-decoration: none; }
.page-nav-link span { display: block; font-size: .625rem; color: var(--cp-text-muted); text-transform: uppercase; margin-bottom: .5rem; }
.page-nav-link strong { display: block; font: 400 1.45rem/1.35 "Newsreader", Georgia, serif; }
.page-nav-link.next { text-align: right; }
.reading-progress { position: fixed; left: 0; top: 0; height: 2px; width: 100%; z-index: 50; pointer-events: none; }
.reading-progress > span { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; background: var(--cp-accent); }

dialog { color: var(--cp-text); background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: .5rem; padding: 1.5rem; box-shadow: var(--cp-shadow); width: min(38rem, calc(100% - 2rem)); max-height: min(42rem, calc(100dvh - 3rem)); overscroll-behavior: contain; }
dialog::backdrop { background: var(--cp-overlay); }
.search-dialog { margin-top: max(2rem, 12dvh); }
.dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.dialog-heading h2 { font: 400 1.75rem/1.2 "Newsreader", Georgia, serif; }
.global-results { max-height: 25rem; overflow-y: auto; }
.global-result { display: block; padding: 1rem .25rem; border-top: 1px solid var(--cp-border); color: var(--cp-text); text-decoration: none; }
.global-result > span:first-child { display: block; font-size: .625rem; color: var(--cp-accent); margin-bottom: .25rem; }
.global-result > strong { font-weight: 600; font-size: .9375rem; }
.global-result > p { font-size: .8125rem; color: var(--cp-text-muted); margin-top: .3rem; line-height: 1.6; }
.global-result:hover { background: var(--cp-surface-soft); }
.labels-dialog { font-size: .875rem; }
.labels-dialog .label-key { display: grid; grid-template-columns: 1fr 1fr; column-gap: 2rem; }
.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translate(-50%, 1rem); z-index: 90; max-width: calc(100% - 2rem); width: max-content; border-radius: .5rem; background: var(--cp-text); color: var(--cp-surface); padding: .7rem 1rem; font-size: .8125rem; line-height: 1.5; opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
html[data-theme="dark"] .prose blockquote,
html[data-theme="dark"] .reading-modes button[aria-pressed="false"],
html[data-theme="dark"] .global-result:hover > p,
html[data-theme="dark"] .margin-note > p { color: var(--cp-text-soft); }
.library-intro, .article-heading { animation: arrive .35s ease-out both; }
.reference-link { animation: arrive .4s ease-out both; }
.reference-link:nth-child(2) { animation-delay: 30ms; }
.reference-link:nth-child(3) { animation-delay: 60ms; }
.reference-link:nth-child(4) { animation-delay: 90ms; }
.reference-link:nth-child(5) { animation-delay: 120ms; }
.reference-link:nth-child(6) { animation-delay: 150ms; }
@keyframes arrive { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 100rem) {
  .header-inner, .home-main { max-width: 84rem; }
  .library-layout { grid-template-columns: minmax(0, 1fr) 18rem; gap: 5rem; }
}
@media (max-width: 66rem) {
  .header-inner, .home-main { padding-inline: 1.75rem; }
  .library-layout { gap: 2rem; grid-template-columns: minmax(0, 1fr) 14rem; }
  .book-object { margin-right: 0; gap: 1.25rem; }
  .book-object > div { display: none; }
  .reader-layout { gap: 2.5rem; padding-inline: 1.75rem; grid-template-columns: 12rem minmax(0, 1fr); }
  .article-heading h1 { font-size: 2.75rem; }
  .decision-row > summary { grid-template-columns: 8rem minmax(0, 1fr) 1rem; gap: .8rem; }
  .decision-reason { padding-left: 8.8rem; }
  .stage-filter select { width: 7rem; }
}
@media (max-width: 52rem) {
  .library-layout { grid-template-columns: minmax(0, 1fr); }
  .library-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; border-top: 1px solid var(--cp-border); padding-top: 2rem; }
  .library-aside > * { margin-top: 0; }
  .library-aside .margin-note { border-top: 0; padding-top: 0; }
  .reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .reference-link { min-height: 4.8rem; }
  .reader-layout { display: block; max-width: 48rem; }
  .reader-rail { display: none; }
  .mobile-note-meta { display: block; font-size: .6875rem; color: var(--cp-text-muted); margin-top: .8rem; }
  .mobile-note-meta > span { margin-inline: .4rem; }
  .mobile-contents { display: block; margin-top: .75rem; border-bottom: 1px solid var(--cp-border); }
  .mobile-contents > summary { min-height: 2.75rem; display: flex; align-items: center; justify-content: space-between; font-size: .75rem; color: var(--cp-text-muted); }
  .mobile-contents > nav { padding-block: .5rem 1rem; }
  .mobile-contents .contents-list a { padding-block: .6rem; }
  .header-inner { gap: 2rem; }
  .header-nav { gap: 1.5rem; }
}
@media (max-width: 38rem) {
  html { scroll-padding-top: 8rem; }
  .header-inner { flex-wrap: wrap; gap: 0; padding: 0 1.25rem; min-height: 4rem; }
  .brand > span { font-size: 1.55rem; }
  .brand > svg { width: 1.25rem; height: 1.25rem; }
  .header-actions { gap: .2rem; }
  .header-nav { order: 3; flex-basis: 100%; height: 2.5rem; gap: 1.6rem; }
  .header-nav a { font-size: .75rem; }
  .header-inner > .brand, .header-actions { margin-block: .5rem; }
  .site-header { position: relative; }
  .home-main { padding-inline: 1.25rem; }
  .library-intro { align-items: center; gap: 1rem; padding: 1.5rem 0; }
  .library-intro h1 { font-size: 3rem; margin-top: .6rem; white-space: nowrap; }
  .intro-deck { font-size: 1.2rem; line-height: 1.4; max-width: 14rem; }
  .intro-edition { display: none; }
  .book-credit { font-size: .625rem; max-width: 14rem; }
  .book-object { flex-shrink: 0; }
  .book-object img { width: 4.1rem; height: 6.2rem; box-shadow: .2rem .25rem 0 var(--cp-border); }
  .reference-shelf { padding: 1rem 0; }
  .shelf-heading { margin-bottom: .75rem; }
  .reference-grid { gap: .5rem; }
  .reference-link { padding: .65rem; min-height: 3.6rem; font-size: .6875rem; gap: .5rem; flex-direction: row; align-items: center; justify-content: flex-start; }
  .reference-link .reference-arrow { display: none; }
  .reference-icon svg { width: 1.1rem; height: 1.1rem; }
  .library-layout { padding-top: 1.5rem; }
  .library-tabs { gap: 1.5rem; }
  .library-tabs button { font-size: .8125rem; }
  .catalog-filters { gap: .5rem; flex-wrap: wrap; }
  .catalog-filters > .search-field { flex-basis: 100%; }
  .stage-filter { border: 0; padding-left: 0; }
  .stage-filter select { width: 9.5rem; min-height: 2.5rem; padding-left: .2rem; }
  .result-status { margin-top: .25rem; }
  .row-link { gap: .6rem; padding: 1rem 0; }
  .chapter-number { width: 1.6rem; font-size: 1.25rem; }
  .row-copy h3 { font-size: .9375rem; }
  .row-summary { font-size: .75rem; }
  .row-link .row-arrow { display: none; }
  .library-row > .save-note { align-self: flex-start; margin: .7rem -.3rem 0 .25rem; }
  .library-aside { gap: 1.75rem; grid-template-columns: minmax(0, 1fr); }
  .library-aside .margin-note { padding-block: 1.5rem; border-top: 1px solid var(--cp-border); }
  .margin-note > p { max-width: 25rem; }
  .site-footer { flex-direction: column; gap: 1rem; padding-block: 1.5rem; margin-top: 2rem; }
  .reader-layout { padding-inline: 1.25rem; }
  .article-heading { padding-top: 1.75rem; }
  .article-heading h1 { font-size: 2.5rem; margin-block: .7rem .8rem; }
  .article-heading .eyebrow { font-size: .625rem; }
  .article-deck { font-size: .875rem; line-height: 1.65; }
  .reader-toolbar { top: 0; margin-top: 1.25rem; gap: .5rem; padding-block: .55rem; }
  .reading-modes button { padding-inline: .7rem; font-size: .6875rem; min-height: 2.15rem; }
  .reader-tools { gap: 0; }
  .reader-tools .icon-button { width: 2.25rem; height: 2.5rem; }
  .takeaway { margin-top: 1.25rem; padding-left: 1rem; }
  .takeaway blockquote { font-size: 1.25rem; line-height: 1.6; }
  .medical-note { margin-block: 1rem 1.5rem; }
  .prose { font-size: .9375rem; line-height: 1.85; }
  .note-section { margin-block: 2rem; }
  .note-section > h2 { font-size: 1.7rem; margin-bottom: 1rem; padding-top: 1.5rem; }
  .prose h3 { font-size: 1rem; }
  .decision-row > summary { grid-template-columns: minmax(0, 1fr) 1rem; gap: .3rem .75rem; padding-block: .9rem; }
  .decision-call { grid-column: 1; padding: 0; }
  .decision-call > strong { font-size: .625rem; }
  .decision-action { grid-row: 2; grid-column: 1; font-size: .875rem; }
  .decision-row > summary > svg { grid-row: 1 / 3; grid-column: 2; align-self: center; }
  .decision-reason { padding: 0 1.75rem 1rem 0; font-size: .8125rem; }
  .table-wrap .wide-table { min-width: 32rem; }
  .table-wrap th, .table-wrap td { padding: .7rem .75rem; }
  .page-nav { gap: 1.25rem; }
  .page-nav-link strong { font-size: 1.25rem; }
  .search-dialog { margin-top: 1rem; }
  dialog { padding: 1rem; max-height: calc(100dvh - 2rem); }
  .dialog-heading h2 { font-size: 1.6rem; }
  .global-results { max-height: calc(100dvh - 15rem); }
  .labels-dialog .label-key { grid-template-columns: 1fr; }
}
@media (max-width: 22rem) {
  .library-intro h1 { font-size: 2.625rem; }
  .book-object img { width: 3.5rem; height: 5.4rem; }
  .reader-layout, .home-main { padding-inline: 1rem; }
  .article-heading h1 { font-size: 2.2rem; }
  .reader-tools .icon-button { width: 2rem; }
  .reading-modes button { padding-inline: .6rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header, .skip-link, .reader-rail, .reader-toolbar, .mobile-contents, .reading-progress, .reading-finish, .page-nav, .full-notes-button, .recall-caveats, .toast, dialog, .heading-anchor { display: none !important; }
  body, .reader-layout, .reader-column { display: block; padding: 0; margin: 0; max-width: none; background: var(--cp-surface); }
  .article-heading { padding-top: 0; }
  .article-heading h1 { font-size: 2rem; }
  body[data-view="recall"] [data-recall="false"] { display: block !important; }
  body[data-view="recall"] .note-section blockquote:has(.callout-label) { display: block !important; }
  .prose { font-size: 10pt; line-height: 1.6; }
  .note-section > h2 { font-size: 17pt; break-after: avoid; }
  .prose h3 { break-after: avoid; }
  .decision-reason { display: block !important; }
  .decision-row::details-content { content-visibility: visible; }
  .decision-row { break-inside: avoid; }
  .decision-row > summary > svg { display: none; }
  .table-wrap { overflow: visible; }
  .table-wrap table { min-width: 0 !important; }
  .table-wrap tr { break-inside: avoid; }
  a { color: var(--cp-text); }
}