@import url('../interaction-spec/motion-tokens.css');

:root {
  --paper: #f7f5f0;
  --surface: #fffdf9;
  --surface-soft: #ece8df;
  --ink: #172033;
  --muted: #5c6676;
  --line: #d7d1c6;
  --focus: #0c63e7;
  --danger-ink: #7e2438;
  --danger-surface: #fff2f4;
  --measure: 68rem;
  --reading-measure: 65ch;
  --radius: 10px;
  --shadow: 0 14px 36px rgb(29 35 46 / 8%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

html[data-family="journal"] { --site-accent: #2563eb; --site-ink: #13233b; }
html[data-family="documentary"] { --site-accent: #a34a23; --site-ink: #302018; }
html[data-family="atlas"] { --site-accent: #176b5a; --site-ink: #15342d; }
html[data-family="field-guide"] { --site-accent: #7254b9; --site-ink: #2f2551; }
html[data-family="dossier"] { --site-accent: #a72d52; --site-ink: #3c1d2a; }
html[data-family="timeline"] { --site-accent: #8b5b10; --site-ink: #3c2d0f; }

* { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; color: var(--site-ink, var(--ink)); background: var(--paper); font: 1rem/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
img, svg { max-width: 100%; }
a { color: inherit; text-decoration-color: color-mix(in srgb, var(--site-accent, #2563eb) 72%, transparent); text-underline-offset: 0.17em; }
a:hover { text-decoration-thickness: 2px; }
button, input, select { font: inherit; }
button, select, input { min-height: 44px; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
[hidden] { display: none !important; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.shell-width { width: min(var(--measure), calc(100% - 2rem)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 30; top: 0.5rem; left: 0.5rem; padding: 0.7rem 0.95rem; color: #fff; background: var(--focus); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.noscript-note { margin-top: 1rem; padding: 0.8rem 1rem; border-inline-start: 4px solid var(--site-accent); background: var(--surface-soft); }

.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, var(--site-accent) 8%); }
.masthead { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 1rem; align-items: center; min-height: 4.6rem; }
.wordmark { font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 700; letter-spacing: -0.02em; text-decoration: none; }
.identity { margin: 0; color: var(--muted); font-size: 0.78rem; text-align: end; }
.menu-button, .icon-button { border: 1px solid var(--site-accent); border-radius: 999px; color: var(--site-ink); background: transparent; padding: 0.45rem 0.85rem; font-weight: 700; }
.menu-button { display: none; }
.site-navigation { padding-bottom: 0.85rem; }
.site-navigation ul { display: flex; flex-wrap: wrap; gap: 0.45rem 1rem; padding: 0; margin: 0; list-style: none; }
.site-navigation a, .site-navigation span { display: inline-block; padding: 0.42rem 0; font-size: 0.94rem; text-decoration: none; }
.site-navigation [aria-current="page"] { border-bottom: 2px solid var(--site-accent); font-weight: 750; }
.drawer-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

main { padding-block: clamp(2rem, 6vw, 5rem); }
.page-intro, .guide-hero { max-width: var(--reading-measure); }
.eyebrow { margin: 0 0 0.5rem; color: color-mix(in srgb, var(--site-accent) 78%, var(--site-ink)); font-size: 0.76rem; font-weight: 780; letter-spacing: 0.08em; text-transform: uppercase; }
h1, h2, h3 { color: var(--site-ink); font-family: Georgia, "Times New Roman", serif; line-height: 1.08; letter-spacing: -0.024em; }
h1 { max-width: 14ch; margin: 0; font-size: clamp(2.3rem, 7vw, 5.4rem); }
h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.55rem); }
h3 { margin: 0; font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { max-width: var(--reading-measure); }
.lede { max-width: 57ch; margin: 1.15rem 0; color: color-mix(in srgb, var(--site-ink) 82%, var(--muted)); font-size: clamp(1.12rem, 2.2vw, 1.38rem); }
.quiet-boundary { max-width: 62ch; margin: 1.35rem 0 0; color: var(--muted); font-size: 0.92rem; }
.page-intro { margin-bottom: clamp(2rem, 5vw, 4rem); }
.page-intro h1 { max-width: 17ch; }

.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(13rem, 0.75fr); gap: clamp(0.8rem, 2.4vw, 2.1rem); align-items: start; padding: clamp(0.9rem, 2.3vw, 2rem); border-top: 5px solid var(--site-accent); background: var(--surface); box-shadow: var(--shadow); }
.hero h1 { max-width: 15ch; font-size: clamp(2rem, 4vw, 3.6rem); }
.hero .lede { margin: 0.7rem 0; font-size: clamp(1rem, 1.6vw, 1.22rem); line-height: 1.42; }
.hero .quiet-boundary { margin-top: 0.7rem; font-size: 0.8rem; line-height: 1.4; }
.hero-documentary { border-radius: 0 0 var(--radius) var(--radius); background: linear-gradient(118deg, var(--surface) 65%, color-mix(in srgb, var(--site-accent) 13%, var(--surface))); }
.hero-atlas { background-image: linear-gradient(color-mix(in srgb, var(--site-accent) 10%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--site-accent) 10%, transparent) 1px, transparent 1px); background-size: 2.4rem 2.4rem; }
.hero-field-guide { border-radius: 2rem 0 2rem 0; }
.hero-dossier { border-inline: 1px solid var(--line); }
.hero-timeline { background: linear-gradient(90deg, var(--surface) 0 8%, color-mix(in srgb, var(--site-accent) 19%, var(--surface)) 8% 9%, var(--surface) 9%); }
.hero-note { padding: 0.85rem 0.95rem; border: 1px solid var(--line); border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 86%, var(--site-accent)); }
.hero-note p { margin: 0.35rem 0; color: var(--muted); font-size: 0.86rem; }
.hero-note a { font-weight: 750; }
.hero-interaction { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 0.65rem; }
.hero-interaction .signature-panel { margin: 0; background: transparent; box-shadow: none; }
.signature-panel--compact { grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 1.45fr); gap: 0.5rem 1.25rem; padding: 0; border-top: 0; }
.compact-signature-label { grid-row: 1 / span 2; margin: 0; color: var(--site-ink); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1rem, 1.6vw, 1.25rem); font-weight: 700; line-height: 1.15; }
.signature-panel--compact .signature-controls, .signature-panel--compact .chapter-rail, .signature-panel--compact .method-choices { grid-column: 2; padding: 0; margin: 0; border: 0; }
.signature-panel--compact .method-choices { display: flex; flex-wrap: wrap; gap: 0.5rem 0.8rem; }
.signature-panel--compact .method-choices label { min-height: 0; padding: 0; border: 0; background: transparent; font-size: 0.86rem; }
.signature-panel--compact .method-choices input { width: 1rem; height: 1rem; }
.signature-panel--compact .chapter-rail { gap: 0.55rem 0.9rem; padding-bottom: 0.35rem; }
.signature-panel--compact .signature-controls button { padding: 0.32rem 0.65rem; font-size: 0.82rem; }
.compact-signature-states { display: grid; grid-column: 2; gap: 0.2rem; }
.compact-signature-states p { max-width: none; margin: 0; color: var(--muted); font-size: 0.8rem; line-height: 1.35; }
.signature-context { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 1rem 3rem; padding: clamp(1.5rem, 5vw, 3.5rem) 0; border-bottom: 1px solid var(--line); }
.signature-context p { margin: 0; color: var(--muted); }

.section-heading { display: flex; gap: 1.5rem; align-items: end; justify-content: space-between; margin-bottom: 1.3rem; }
.section-heading > p, [data-filter-result-count], [data-search-count] { margin: 0; color: var(--muted); font-size: 0.9rem; }
.explorer-section { padding-block: clamp(3rem, 8vw, 7rem); }
.filter-row, .control-cluster, .comparison-controls { display: flex; flex-wrap: wrap; gap: 0.65rem; align-items: center; }
.filter-row button, .control-cluster button, .comparison-controls button, .source-button, .term-card button, [data-disclosure], .insufficient-state button { border: 1px solid color-mix(in srgb, var(--site-accent) 46%, var(--line)); border-radius: 999px; background: var(--surface); color: var(--site-ink); padding: 0.45rem 0.85rem; font-weight: 690; }
.filter-row button[aria-pressed="true"], .control-cluster button[aria-pressed="true"], .comparison-controls button[aria-pressed="true"], .filter-row button:hover, .control-cluster button:hover, .comparison-controls button:hover, .source-button:hover, .term-card button:hover { color: #fff; border-color: var(--site-accent); background: var(--site-accent); }
.preview-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.25rem; }
.preview-card, .content-card, .term-card { display: flex; flex-direction: column; align-items: flex-start; min-height: 18rem; padding: 1.25rem; border: 1px solid var(--line); background: var(--surface); }
.preview-card:nth-child(2) { transform: translateY(1.25rem); }
.preview-card p, .content-card p, .term-card p { color: var(--muted); font-size: 0.94rem; }
.preview-card a, .content-card a, .term-card a { margin-top: auto; font-weight: 730; }
.insufficient-state { margin-top: 1rem; max-width: var(--reading-measure); padding: 1.1rem 1.25rem; border: 1px solid color-mix(in srgb, var(--danger-ink) 40%, var(--line)); border-inline-start: 5px solid var(--danger-ink); background: var(--danger-surface); }
.insufficient-state p { margin-bottom: 0; }
.evidence-strip { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.8fr); gap: 2rem; padding: clamp(1.5rem, 5vw, 3rem); border-block: 1px solid var(--line); }
.evidence-strip ol { display: grid; gap: 0.8rem; padding-left: 1.35rem; margin: 0; }
.signature-panel { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 1.25rem 2.5rem; align-items: start; padding: clamp(1.4rem, 5vw, 3rem); margin-block: clamp(3rem, 8vw, 6rem); border-top: 4px solid var(--site-accent); background: var(--surface); box-shadow: var(--shadow); }
.signature-panel > .signature-controls, .signature-panel > .chapter-rail, .signature-panel > .method-choices, .signature-panel > .atlas-table, .signature-panel > .path-steps, .signature-panel > .dossier-records, .signature-panel > .timeline-events, .signature-panel > .signature-records { grid-column: 2; }
.signature-controls { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.signature-controls button { border: 1px solid color-mix(in srgb, var(--site-accent) 46%, var(--line)); border-radius: 999px; background: var(--surface); color: var(--site-ink); padding: 0.45rem 0.85rem; font-weight: 690; }
.signature-controls button[aria-pressed="true"], .signature-controls button:hover { color: #fff; border-color: var(--site-accent); background: var(--site-accent); }
.signature-records, .chapter-annotations, .path-steps, .dossier-records, .timeline-events { display: grid; gap: 0.65rem; padding: 0; margin: 0; list-style: none; }
.signature-records li, .chapter-annotations article, .path-steps article, .dossier-records article, .timeline-events li, .atlas-table article { padding: 1rem; border-left: 3px solid var(--line); background: var(--paper); }
.signature-records strong, .signature-records a { display: block; }
.chapter-rail { display: flex; flex-wrap: wrap; gap: 0.75rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--line); }
.chapter-rail a { padding: 0.35rem 0.1rem; font-weight: 720; text-decoration: none; }
.chapter-rail a[aria-current="true"] { border-bottom: 3px solid var(--site-accent); }
.method-choices { display: grid; gap: 0.65rem; border: 0; padding: 0; }
.method-choices legend { margin-bottom: 0.5rem; font-weight: 750; }
.method-choices label { display: flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; padding: 0.55rem 0.75rem; border: 1px solid var(--line); background: var(--paper); }
.method-choices input { width: 1.15rem; min-height: auto; height: 1.15rem; accent-color: var(--site-accent); }
.atlas-table { display: grid; gap: 0.65rem; }
.atlas-table article { border-left-color: var(--site-accent); }
.atlas-table p { margin-bottom: 0; color: var(--muted); }
.path-steps ol { padding-left: 1.25rem; margin-bottom: 0; }
.dossier-records article[data-active="true"] { border-left-color: var(--site-accent); outline: 1px solid color-mix(in srgb, var(--site-accent) 34%, var(--line)); }
.timeline-events time { display: block; color: var(--site-accent); font-weight: 790; letter-spacing: 0.05em; text-transform: uppercase; }
.timeline-events p { margin-bottom: 0; }
.hero .signature-panel.signature-panel--compact { display: grid; grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 1.45fr); gap: 0.5rem 1.25rem; align-items: start; padding: 0; margin: 0; border-top: 0; background: transparent; box-shadow: none; }
.hero .signature-panel.signature-panel--compact > .signature-controls, .hero .signature-panel.signature-panel--compact > .chapter-rail, .hero .signature-panel.signature-panel--compact > .method-choices, .hero .signature-panel.signature-panel--compact > .compact-signature-states { grid-column: 2; }
.hero .signature-panel.signature-panel--compact .signature-controls { gap: 0.45rem; }
.hero .signature-panel.signature-panel--compact .signature-controls button { padding: 0.32rem 0.65rem; font-size: 0.82rem; }
.hero .signature-panel.signature-panel--compact .method-choices { display: flex; flex-wrap: wrap; gap: 0.45rem 0.75rem; padding: 0; margin: 0; border: 0; }
.hero .signature-panel.signature-panel--compact .method-choices label { min-height: 0; padding: 0; border: 0; background: transparent; font-size: 0.86rem; }
.hero .signature-panel.signature-panel--compact .method-choices input { width: 1rem; height: 1rem; }
.hero .signature-panel.signature-panel--compact .chapter-rail { gap: 0.5rem 0.9rem; padding-bottom: 0.3rem; margin: 0; }
.hero .signature-panel.signature-panel--compact .compact-signature-states { display: grid; gap: 0.2rem; }
.hero .signature-panel.signature-panel--compact .compact-signature-states p { max-width: none; margin: 0; color: var(--muted); font-size: 0.8rem; line-height: 1.35; }
.route-list { display: grid; grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr)); gap: 1rem; padding-top: clamp(3rem, 8vw, 6rem); }
.route-list a { display: flex; min-height: 9rem; flex-direction: column; justify-content: space-between; padding: 1.15rem; border-block-start: 3px solid var(--site-accent); background: var(--surface); font-weight: 700; text-decoration: none; }
.route-list span { align-self: flex-end; font-size: 1.5rem; }

.breadcrumbs { margin-bottom: 1.5rem; color: var(--muted); font-size: 0.9rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0; list-style: none; }
.breadcrumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--line); }
.topic-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem 1.5rem; align-items: center; padding: 1rem 0; margin-bottom: 1.4rem; border-block: 1px solid var(--line); }
.topic-controls h2 { font-size: 1.15rem; font-family: inherit; letter-spacing: 0; }
.topic-controls label { display: grid; gap: 0.35rem; color: var(--muted); font-size: 0.82rem; }
.topic-controls select { min-width: 13rem; padding: 0.5rem; border: 1px solid var(--line); border-radius: 0.35rem; color: var(--site-ink); background: var(--surface); }
.content-list { display: grid; gap: 0.8rem; }
.content-card { min-height: auto; padding: clamp(1.2rem, 3vw, 2rem); }
.content-card h2 { max-width: 30ch; font-size: clamp(1.25rem, 3vw, 2rem); }
.method-note { max-width: var(--reading-measure); margin-top: 2rem; padding: 1rem 1.2rem; border-left: 4px solid var(--site-accent); background: var(--surface-soft); }

.metadata { display: flex; flex-wrap: wrap; gap: 0.75rem 1.8rem; margin: 1.4rem 0 0; }
.metadata div { display: grid; gap: 0.1rem; }
.metadata dt { color: var(--muted); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.06em; text-transform: uppercase; }
.metadata dd { margin: 0; font-size: 0.9rem; }
.risk-note { max-width: 62ch; padding: 1rem 1.2rem; margin-top: 1.6rem; border-left: 4px solid var(--danger-ink); background: var(--danger-surface); }
.risk-note p { margin-bottom: 0; }
.reading-progress-wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: center; max-width: var(--measure); padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.reading-progress { height: 0.5rem; overflow: hidden; border-radius: 999px; background: var(--surface-soft); }
.reading-progress span { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left center; background: var(--site-accent); transition: transform var(--motion-fast) var(--ease-interface); }
[data-reading-progress] { margin: 0; color: var(--muted); font-size: 0.78rem; white-space: nowrap; }
.guide-layout { display: grid; grid-template-columns: minmax(12rem, 0.42fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: start; padding-top: 2rem; }
.toc-panel { position: sticky; top: 1rem; padding: 1rem 0; }
.toc-panel ol { display: grid; gap: 0.4rem; padding-left: 1.1rem; }
.toc-panel a { display: inline-block; padding: 0.24rem; color: var(--muted); text-decoration: none; }
.toc-panel a[aria-current="true"] { color: var(--site-ink); font-weight: 760; text-decoration: underline; }
.article-body { max-width: var(--reading-measure); }
.article-body section { padding-block: 2rem; border-top: 1px solid var(--line); scroll-margin-top: 1.2rem; }
.article-body h2 { max-width: 21ch; }
.article-body p { font-size: 1.05rem; }
.inline-citation { display: inline; min-height: auto; border: 0; border-bottom: 2px solid var(--site-accent); color: inherit; background: transparent; padding: 0 0.1rem; font-weight: 700; }
.source-button { margin-top: 0.5rem; }
.related-picker { padding: 1rem; border: 1px solid var(--line); background: var(--surface); }
.related-picker [data-related-item] { display: flex; flex-wrap: wrap; gap: 0.7rem 1.2rem; padding-top: 1rem; }
.related-picker a { font-weight: 700; }

.search-panel { display: grid; gap: 0.5rem; max-width: 42rem; padding: 1.2rem; border: 1px solid var(--line); background: var(--surface); }
.search-panel label { font-weight: 750; }
.search-panel input { width: 100%; padding: 0.65rem 0.75rem; border: 1px solid var(--site-accent); border-radius: 0.35rem; color: var(--site-ink); background: #fff; }
.letter-index { display: flex; gap: 0.8rem; padding-block: 1.2rem; }
.letter-index a { min-width: 2.75rem; min-height: 2.75rem; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--site-accent); font-weight: 760; text-decoration: none; }
.term-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.term-card { min-height: 17rem; scroll-margin-top: 1.2rem; }
.term-card button { margin-bottom: 0.8rem; }

.tabs-panel, .pipeline-panel, .comparison-panel { max-width: var(--measure); padding: clamp(1.2rem, 4vw, 2.4rem); margin-bottom: clamp(2rem, 5vw, 4rem); border: 1px solid var(--line); background: var(--surface); }
[role="tablist"] { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
[role="tab"] { border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); padding: 0.5rem 0.2rem; font-weight: 720; }
[role="tab"][aria-selected="true"] { border-color: var(--site-accent); color: var(--site-ink); }
[role="tabpanel"] { padding-top: 1.3rem; }
.pipeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; padding: 0; list-style: none; }
.pipeline li { min-height: 11rem; padding: 1rem; border-left: 3px solid var(--line); background: var(--paper); }
.pipeline li:has(button[aria-pressed="true"]) { border-color: var(--site-accent); }
.pipeline button { min-height: auto; border: 0; color: var(--site-ink); background: transparent; padding: 0; font-weight: 790; text-align: left; }
.pipeline p { margin-bottom: 0; color: var(--muted); font-size: 0.9rem; }
.comparison-panel { overflow-x: auto; }
.comparison-panel table { width: 100%; min-width: 34rem; border-collapse: collapse; margin-top: 1rem; }
.comparison-panel caption { padding: 0.5rem; color: var(--muted); text-align: left; }
.comparison-panel th, .comparison-panel td { padding: 0.85rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison-panel tbody tr[data-selected="true"] { outline: 2px solid var(--site-accent); outline-offset: -2px; background: color-mix(in srgb, var(--site-accent) 10%, var(--surface)); }

.policy-stack { max-width: var(--reading-measure); display: grid; gap: 1rem; }
.policy-stack section { padding: clamp(1.2rem, 4vw, 2rem); border-block-start: 4px solid var(--site-accent); background: var(--surface); }
.policy-stack section > div { padding-top: 0.75rem; }
.policy-stack ul { padding-left: 1.2rem; }
.source-list { display: grid; gap: 0.85rem; padding: 0; margin: 1.25rem 0 0; list-style: none; }
.source-list li { display: grid; gap: 0.22rem; padding: 0.9rem; border-inline-start: 2px solid var(--site-accent); background: var(--paper); }
.source-list a { width: fit-content; font-weight: 760; }
.source-meta { color: var(--muted); font-size: 0.9rem; line-height: 1.5; }

.site-footer { margin-top: 4rem; padding-block: 2rem; border-top: 1px solid var(--line); color: #eef1f6; background: var(--site-ink); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; }
.footer-grid p { max-width: 52ch; color: color-mix(in srgb, #fff 76%, transparent); font-size: 0.9rem; }
.footer-grid nav { display: grid; align-content: start; gap: 0.45rem; }
.footer-grid a { color: #fff; }

html[data-js="true"] .menu-button { display: inline-flex; align-items: center; justify-content: center; }
html[data-js="true"] .site-navigation.drawer, html[data-js="true"] .detail-drawer { position: fixed; z-index: 20; inset: 1rem; width: min(32rem, calc(100vw - 2rem)); max-height: calc(100dvh - 2rem); overflow: auto; padding: 1.25rem; margin: 0; border: 1px solid var(--line); border-top: 5px solid var(--site-accent); box-shadow: 0 22px 60px rgb(20 24 35 / 27%); background: var(--surface); }
html[data-js="true"] .site-navigation.drawer { inset-inline: auto 1rem; }
html[data-js="true"] .detail-drawer { inset-inline: 50% auto; transform: translateX(-50%); }
html[data-js="true"] .site-navigation ul { display: grid; gap: 0.4rem; padding-top: 1rem; }
html[data-js="true"] .site-navigation a, html[data-js="true"] .site-navigation span { min-height: 44px; padding: 0.7rem 0; }
html[data-js="true"] .detail-drawer { max-width: 42rem; }

@media (min-width: 721px) {
  html[data-js="true"] .menu-button { display: none; }
  html[data-js="true"] .site-navigation.drawer:not([hidden]) { position: static; z-index: auto; inset: auto; width: min(var(--measure), calc(100% - 2rem)); max-height: none; overflow: visible; padding: 0 0 0.85rem; margin-inline: auto; border: 0; border-top: 0; box-shadow: none; background: transparent; transform: none; opacity: 1; pointer-events: auto; }
  html[data-js="true"] .site-navigation .drawer-heading { display: none; }
  html[data-js="true"] .site-navigation ul { display: flex; flex-wrap: wrap; gap: 0.45rem 1rem; padding: 0; }
  html[data-js="true"] .site-navigation a, html[data-js="true"] .site-navigation span { min-height: auto; padding: 0.42rem 0; }
}

@media (max-width: 900px) {
  .hero, .evidence-strip, .signature-panel, .signature-context, .route-list, .guide-layout, .footer-grid { grid-template-columns: 1fr; }
  .hero-interaction { grid-column: auto; }
  .signature-panel > .signature-controls, .signature-panel > .chapter-rail, .signature-panel > .method-choices, .signature-panel > .atlas-table, .signature-panel > .path-steps, .signature-panel > .dossier-records, .signature-panel > .timeline-events, .signature-panel > .signature-records { grid-column: auto; }
  .route-list { gap: 0.7rem; }
  .route-list a { min-height: 6rem; }
  .preview-grid, .term-list { grid-template-columns: 1fr; }
  .preview-card:nth-child(2) { transform: none; }
  .topic-controls { grid-template-columns: 1fr; }
  .toc-panel { position: static; display: block; border-block: 1px solid var(--line); }
  .toc-panel ol { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; padding: 0; list-style: none; }
  .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .signature-panel--compact .signature-controls, .signature-panel--compact .chapter-rail, .signature-panel--compact .method-choices, .compact-signature-states { grid-column: auto; }
  .compact-signature-label { grid-row: auto; }
  .hero .signature-panel.signature-panel--compact { grid-template-columns: 1fr; gap: 0.45rem; }
  .hero .signature-panel.signature-panel--compact > .signature-controls, .hero .signature-panel.signature-panel--compact > .chapter-rail, .hero .signature-panel.signature-panel--compact > .method-choices, .hero .signature-panel.signature-panel--compact > .compact-signature-states { grid-column: auto; }
}

@media (max-width: 620px) {
  .shell-width { width: min(var(--measure), calc(100% - 1.25rem)); }
  .masthead { grid-template-columns: minmax(0, 1fr) auto; min-height: 4rem; }
  .identity { grid-column: 1 / -1; order: 3; padding-bottom: 0.7rem; text-align: start; }
  .site-navigation { padding-bottom: 0.7rem; }
  .hero { padding: 0.9rem; }
  .hero h1 { font-size: clamp(2rem, 9.6vw, 3rem); }
  .hero .lede { margin: 0.55rem 0; font-size: 1rem; }
  .hero .quiet-boundary { margin-top: 0.55rem; font-size: 0.76rem; }
  .hero-note { display: flex; align-items: baseline; gap: 0.55rem; padding: 0.55rem 0.7rem; }
  .hero-note p { display: none; }
  .hero-interaction { padding-top: 0.55rem; }
  .signature-panel--compact { gap: 0.45rem; }
  .compact-signature-label { font-size: 0.96rem; }
  .signature-panel--compact .signature-controls { gap: 0.4rem; }
  .signature-panel--compact .signature-controls button { padding: 0.28rem 0.55rem; font-size: 0.76rem; }
  .compact-signature-states { gap: 0.15rem; }
  .compact-signature-states p { font-size: 0.74rem; }
  .hero .signature-panel.signature-panel--compact .signature-controls { gap: 0.4rem; }
  .hero .signature-panel.signature-panel--compact .signature-controls button { padding: 0.28rem 0.55rem; font-size: 0.76rem; }
  .hero .signature-panel.signature-panel--compact .compact-signature-states { gap: 0.15rem; }
  .hero .signature-panel.signature-panel--compact .compact-signature-states p { font-size: 0.74rem; }
  .section-heading { display: grid; align-items: start; }
  .filter-row, .control-cluster, .comparison-controls { align-items: stretch; }
  .filter-row button, .control-cluster button, .comparison-controls button { flex: 1 1 10rem; }
  .reading-progress-wrap { grid-template-columns: 1fr; gap: 0.45rem; }
  .pipeline { grid-template-columns: 1fr; }
  html[data-js="true"] .site-navigation.drawer, html[data-js="true"] .detail-drawer { inset: 0.5rem; width: calc(100vw - 1rem); max-height: calc(100dvh - 1rem); transform: none; }
}

@media (prefers-contrast: more) {
  :root { --line: #4b5563; --muted: #374151; }
  .preview-card, .content-card, .term-card, .tabs-panel, .pipeline-panel, .comparison-panel { border-width: 2px; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration:1ms !important; transition-duration:1ms !important; } }