:root {
  color-scheme: light;
  --canvas: #f0ecdf;
  --surface: #fffdf5;
  --surface-muted: #e8e3d5;
  --text: #233127;
  --muted: #596457;
  --accent: #153c29;
  --accent-hover: #0b2b1c;
  --on-accent: #fffdf5;
  --border: #b9c0ae;
  --focus: #d06b26;
  --rule: #cdd1c2;
  --shadow: 0 14px 30px rgba(30, 47, 34, .09);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --canvas: #161915;
  --surface: #1f221c;
  --surface-muted: #292d25;
  --text: #f0ecdf;
  --muted: #b7b8aa;
  --accent: #b8d0b2;
  --accent-hover: #d0e5ca;
  --on-accent: #153c29;
  --border: #66705f;
  --focus: #f1a565;
  --rule: #4c5547;
  --shadow: 0 14px 30px rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }
.lead-story:not(:has(img)) { display: block; }
.lead-story:not(:has(img)) .lead-story-copy { max-width: 44rem; }
.lead-story:not(:has(img)) h2 { max-width: 24ch; }
#new-stories:not([hidden]) { display: block; margin-bottom: 1rem; padding: .8rem 1.2rem; color: var(--on-accent); background: var(--accent); border: 0; border-radius: .4rem; }
.article-prose { line-height: 1.8; }
.model-release-section { margin-block: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
.model-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.model-section-heading h2 { margin: .2rem 0; }
.model-section-heading > a { font-size: .85rem; }
.model-section-copy { color: var(--muted); max-width: 65ch; }
.model-release-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.model-release-card { min-width: 0; padding: 1.2rem; border: 1px solid var(--border); background: var(--surface); border-radius: .4rem; display: flex; flex-direction: column; }
.model-release-card h3 { font: 700 1.15rem/1.3 var(--serif); margin: .4rem 0 .6rem; }
.model-release-label { color: var(--accent); font-size: .7rem; text-transform: uppercase; font-weight: 750; letter-spacing: .06em; margin: 0; }
.model-release-source,.model-release-date { color: var(--muted); font-size: .75rem; margin: .1rem 0; }
.model-release-summary { font-size: .87rem; }
.model-release-link { margin-top: auto; padding-top: .8rem; font-size: .8rem; font-weight: 650; }
.agent-playground { background: var(--surface); border: 1px solid var(--border); border-radius: .4rem; padding: 1.5rem; margin-top: 2rem; }
.agent-playground form { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.agent-playground select,.agent-playground button { font: inherit; padding: .65rem; border: 1px solid var(--border); border-radius: .25rem; background: var(--canvas); color: var(--text); max-width: 100%; }
.agent-task-preview { margin-top: 1.5rem; max-width: 65ch; }
.agent-task-preview blockquote { margin-inline: 0; padding: .8rem 1rem; border-left: 3px solid var(--accent); background: var(--surface-muted); }
.agent-execution-unavailable { color: var(--muted); font-size: .9rem; }
@media(max-width:560px) { .model-release-grid { grid-template-columns: 1fr; } .model-section-heading { align-items: flex-start; flex-direction: column; gap: .3rem; } }
html { background: var(--canvas); }
body { min-width: 0; margin: 0; color: var(--text); background: radial-gradient(circle at 100% -10%, rgba(136, 166, 122, .16), transparent 28rem), var(--canvas); font: 1rem/1.55 var(--sans); }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .16em; }
a:hover { color: var(--accent); }
button, input { font: inherit; }
button, input[type='search'] { min-height: 2.75rem; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.skip-link { position: absolute; z-index: 10; left: 1rem; top: -4rem; padding: .6rem .9rem; color: var(--on-accent); background: var(--accent); border-radius: .25rem; }
.skip-link:focus { top: 1rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { border-bottom: 1px solid var(--rule); background: color-mix(in srgb, var(--surface) 93%, transparent); }
.header-bar, .topic-nav, .page-shell, .site-footer { width: min(100% - 2rem, 76rem); margin-inline: auto; }
.header-bar { display: grid; grid-template-columns: auto minmax(12rem, 31rem) auto; align-items: center; gap: 1rem; min-height: 5rem; }
.brand { display: inline-flex; align-items: center; gap: .45rem; color: var(--accent); text-decoration: none; font-family: var(--serif); font-size: 1.35rem; font-weight: 700; letter-spacing: -.04em; white-space: nowrap; }
.brand img { width: 2rem; height: 2rem; object-fit: contain; }
.brand b { font-family: var(--sans); font-size: .9rem; letter-spacing: -.03em; }
.brand small { margin-left: -.25rem; color: var(--muted); font-family: var(--sans); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.search-form { display: flex; justify-self: center; width: 100%; }
.search-form input { min-width: 0; flex: 1; padding: .55rem .75rem; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: .3rem 0 0 .3rem; }
.search-form button { padding: .55rem .85rem; color: var(--on-accent); background: var(--accent); border: 1px solid var(--accent); border-radius: 0 .3rem .3rem 0; font-weight: 700; }
.theme-toggle { justify-self: end; padding: .45rem .65rem; color: var(--text); background: transparent; border: 1px solid var(--border); border-radius: .3rem; font-size: .86rem; font-weight: 650; }
:root:not([data-js='true']) .theme-toggle { display: none; }
.theme-toggle:hover, .theme-toggle[aria-pressed='true'] { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.topic-nav { display: flex; gap: .1rem; overflow-x: auto; padding: 0 0 .55rem; scrollbar-width: thin; }
.topic-nav a { flex: 0 0 auto; padding: .35rem .55rem; color: var(--muted); border-radius: .25rem; font-size: .88rem; font-weight: 650; text-decoration: none; }
.topic-nav a:hover, .topic-nav a[aria-current='page'] { color: var(--on-accent); background: var(--accent); }

.page-shell { padding-block: 2.6rem 4.5rem; }
.briefing-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding-bottom: 1.45rem; border-bottom: 1px solid var(--rule); }
.eyebrow { margin: 0 0 .25rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { color: var(--text); line-height: 1.12; }
h1, h2 { font-family: var(--serif); letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { margin: 0; font: 700 1.08rem/1.25 var(--serif); letter-spacing: -.015em; }
.briefing-date { margin: 0 0 .25rem; color: var(--muted); font-size: .9rem; text-align: right; }
.briefing-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(16rem, 1fr); gap: clamp(2.25rem, 5vw, 5rem); padding-top: 2rem; }
.news-column { min-width: 0; }

.lead-story { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(13rem, .88fr); gap: 1.8rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--rule); }
.lead-story-copy { align-self: start; }
.lead-story h2 { margin: .35rem 0 .8rem; font-size: clamp(1.8rem, 3.8vw, 3rem); }
.lead-story h2 a, .story-card h3 a, .latest-list h3 a { text-decoration: none; }
.lead-story h2 a:hover, .story-card h3 a:hover, .latest-list h3 a:hover { text-decoration: underline; }
.lead-summary { max-width: 52ch; margin: 0 0 1.1rem; color: var(--muted); font-size: 1.05rem; }
.lead-image { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--surface-muted); border-radius: .45rem; box-shadow: var(--shadow); }
.topic-badge { color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.topic-badge:hover { text-decoration: underline; }
.story-meta, .source-meta { display: flex; flex-wrap: wrap; gap: .25rem .55rem; align-items: baseline; margin: .35rem 0 .8rem; color: var(--muted); font-size: .78rem; }
.story-meta > * + *::before, .source-meta > * + *::before { content: '·'; margin-right: .55rem; color: var(--border); }
.story-meta-compact { margin: .25rem 0 .65rem; font-size: .73rem; }
.content-kind { color: var(--accent); font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.source-name, .byline { font-weight: 650; }
.timezone-label { font-size: .68rem; font-weight: 800; letter-spacing: .04em; }
.tag-list { display: flex; flex-wrap: wrap; gap: .35rem; padding: 0; margin: -.25rem 0 1rem; list-style: none; }
.tag-list li { padding: .16rem .45rem; color: var(--muted); background: var(--surface-muted); border-radius: 100vw; font-size: .72rem; font-weight: 650; }
.source-list { display: grid; gap: .72rem; padding: 0; margin: 0; list-style: none; }
.source-item { padding-left: .9rem; border-left: 2px solid var(--border); }
.source-item-primary { border-left-color: var(--accent); }
.source-item a, .source-item span { font-weight: 700; }
.source-meta { margin: .08rem 0 0; }
.source-details { margin-top: .9rem; color: var(--muted); font-size: .78rem; }
.source-details summary { width: fit-content; color: var(--accent); cursor: pointer; font-weight: 750; }
.source-details dl { display: grid; gap: .4rem; margin: .6rem 0 0; }
.source-details dl > div { display: grid; grid-template-columns: 5.25rem minmax(0, 1fr); gap: .5rem; }
.source-details dt { font-weight: 750; }
.source-details dd { display: flex; flex-wrap: wrap; gap: .2rem .4rem; min-width: 0; margin: 0; }
.read-story { display: inline-block; margin-top: 1.25rem; color: var(--accent); font-weight: 800; text-decoration: none; }
.read-story:hover { text-decoration: underline; }

.more-stories, .related-stories { padding-top: 2.5rem; }
.more-stories > h2, .related-stories > h2 { margin-bottom: 1.25rem; font-size: 1.65rem; }
.story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.35rem; }
.story-card { display: flex; flex-direction: column; min-width: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: .45rem; overflow: hidden; box-shadow: 0 5px 14px rgba(28, 45, 32, .04); }
.story-card-image { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--surface-muted); }
.story-card-body { display: flex; flex: 1; flex-direction: column; padding: 1.15rem; }
.story-card h3 { margin: .35rem 0 .65rem; }
.story-summary { margin: 0 0 1rem; color: var(--muted); font-size: .9rem; }
.source-list-compact { gap: .48rem; margin-top: auto; }
.source-list-compact .source-item { padding-left: .65rem; font-size: .84rem; }
.story-card .source-details { margin-top: .8rem; }

.sidebar { display: grid; align-content: start; gap: 1.35rem; }
.sidebar-module { padding: 1.3rem; background: var(--surface); border: 1px solid var(--rule); border-radius: .45rem; }
.sidebar-module h2 { margin: 0 0 .7rem; font-size: 1.38rem; }
.sidebar-module > p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: .92rem; }
.module-heading { display: flex; align-items: baseline; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; }
.module-heading a { color: var(--accent); font-size: .82rem; font-weight: 700; }
.research-module { display: grid; gap: .85rem; }
.research-module .module-heading { margin: 0; }
.research-module .module-heading h2 { margin: 0; font-size: 1.38rem; }
.research-card-stack, .research-action-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
.research-card, .research-action { display: flex; flex-direction: column; min-width: 0; min-height: 10.5rem; padding: .8rem; color: var(--text); background: var(--surface); border: 1px solid var(--rule); border-radius: .45rem; box-shadow: 0 4px 12px rgba(28, 45, 32, .04); text-decoration: none; }
.research-card { justify-content: space-between; }
.research-card:hover, .research-action:hover { color: var(--text); border-color: var(--accent); box-shadow: var(--shadow); }
.research-thumbnail { width: 100%; height: 3.6rem; margin-bottom: .65rem; object-fit: cover; background: var(--surface-muted); border-radius: .25rem; }
.research-card-label, .research-action-label { margin: 0 0 .35rem; color: var(--accent); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.research-card h3 { font-size: .98rem; }
.research-card h3 a { text-decoration: none; }
.research-card h3 a:hover { text-decoration: underline; }
.research-card-meta { display: flex; flex-wrap: wrap; gap: .2rem .4rem; margin: .7rem 0 0; color: var(--muted); font-size: .71rem; }
.research-card-meta > * + *::before { content: '·'; margin-right: .4rem; color: var(--border); }
.research-empty { grid-column: 1 / -1; margin: 0; padding: .9rem; color: var(--muted); background: var(--surface); border: 1px solid var(--rule); border-radius: .45rem; font-size: .83rem; }
.research-action { justify-content: space-between; min-height: 8.5rem; color: var(--text); background: linear-gradient(145deg, var(--surface), var(--surface-muted)); }
.research-action strong { color: var(--text); font: 700 1rem/1.15 var(--serif); }
.research-action > span:last-child { color: var(--muted); font-size: .75rem; line-height: 1.35; }
.topic-cloud { display: flex; flex-wrap: wrap; gap: .45rem; }
.topic-cloud a { padding: .35rem .55rem; color: var(--accent); border: 1px solid var(--border); border-radius: 100vw; font-size: .8rem; font-weight: 700; text-decoration: none; }
.topic-cloud a:hover { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.empty-briefing { min-height: 23rem; padding: clamp(1.5rem, 5vw, 3.5rem); background: linear-gradient(135deg, var(--surface), color-mix(in srgb, var(--surface) 70%, var(--surface-muted))); border: 1px solid var(--rule); border-radius: .5rem; box-shadow: var(--shadow); }
.empty-briefing h1, .empty-briefing h2 { max-width: 18ch; margin: 0 0 .75rem; }
.empty-briefing > p:not(.eyebrow) { max-width: 57ch; margin: 0; color: var(--muted); }

.breadcrumb { display: flex; gap: .55rem; margin-bottom: 1.8rem; color: var(--muted); font-size: .9rem; }
.breadcrumb a { color: var(--accent); }
.story-detail { max-width: 52rem; }
.story-detail header { max-width: 47rem; margin-bottom: 1.6rem; }
.story-detail header h1 { margin-top: .35rem; }
.story-detail-date { margin: .8rem 0 0; color: var(--muted); }
.story-detail-image { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; background: var(--surface-muted); border-radius: .45rem; box-shadow: var(--shadow); }
.story-detail-body { max-width: 42rem; padding-top: 1.8rem; }
.story-detail-summary { margin: 0 0 2.25rem; font: 1.2rem/1.65 var(--serif); }
.citations { padding-top: 1.35rem; border-top: 1px solid var(--rule); }
.citations h2 { margin-bottom: .5rem; font-size: 1.6rem; }
.citations > p { margin: 0 0 1.2rem; color: var(--muted); }
.story-detail header .story-meta { margin-top: .85rem; }
.story-detail-body > .source-details { margin-bottom: 1.8rem; }
.feed-health { padding: 0; overflow: hidden; }
.feed-health details > summary { padding: 1rem 1.3rem; cursor: pointer; color: var(--accent); font-size: .85rem; font-weight: 800; }
.feed-health ul { display: grid; gap: .7rem; padding: 0 1.3rem 1.25rem; margin: 0; list-style: none; }
.feed-health li { display: flex; flex-wrap: wrap; gap: .22rem .5rem; color: var(--muted); font-size: .76rem; }
.feed-health li > * + *::before { content: '·'; margin-right: .5rem; color: var(--border); }
.feed-health strong { color: var(--text); }
.feed-error { color: #9c331e; font-weight: 700; }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.5rem 2rem; color: var(--muted); border-top: 1px solid var(--rule); font-size: .85rem; }
.site-footer p { margin: 0; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
@media (max-width: 760px) {
  .header-bar { grid-template-columns: 1fr auto; gap: .65rem; padding-block: .7rem; }
  .search-form { grid-column: 1 / -1; grid-row: 2; }
  .theme-toggle { grid-column: 2; grid-row: 1; }
  .briefing-heading { align-items: start; flex-direction: column; gap: .55rem; }
  .briefing-date { text-align: left; }
  .briefing-layout { grid-template-columns: 1fr; }
  .lead-story { grid-template-columns: 1fr; }
  .lead-image { order: -1; max-height: 22rem; }
}
@media (max-width: 520px) {
  .header-bar, .topic-nav, .page-shell, .site-footer { width: min(100% - 1.25rem, 76rem); }
  .page-shell { padding-block: 1.75rem 3rem; }
  .story-grid { grid-template-columns: 1fr; }
  .research-card-stack, .research-action-grid { grid-template-columns: 1fr; }
  .research-card, .research-action { min-height: auto; }
  .site-footer { display: block; }
  .site-footer p + p { margin-top: .25rem; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }

/* Research observatory: server-rendered content remains readable without this enhancement. */
.research-page { max-width: 58rem; }
.research-page > .sidebar-module { margin-top: 1.4rem; }
.research-page form { display: flex; flex-wrap: wrap; gap: .85rem 1.1rem; align-items: end; }
.research-page form > p { display: grid; gap: .25rem; margin: 0; color: var(--muted); font-size: .85rem; }
.research-page select, .research-page button { min-height: 2.5rem; padding: .45rem .65rem; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: .3rem; }
.research-page button { color: var(--on-accent); background: var(--accent); border-color: var(--accent); font-weight: 750; }
.research-page button:disabled, .research-page select:disabled { cursor: not-allowed; opacity: .6; }
.research-page #research-status, .research-page #freshness-result { min-height: 1.55em; }
.research-page #freshness-stories { margin-top: 1.1rem; }
.research-page #research-sources p { display: flex; flex-wrap: wrap; gap: .25rem .5rem; margin: .8rem 0 0; }
.research-page #research-sources p:first-child { margin-top: 0; }
.research-page .research-live-detail::before { content: '·'; margin-right: .5rem; color: var(--border); }
.research-page #research-cycles { max-height: 20rem; overflow: auto; }
.research-page pre { overflow: auto; padding: 1rem; color: var(--text); background: var(--surface-muted); border: 1px solid var(--border); border-radius: .35rem; font: .78rem/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; }
.research-page details { margin-top: 1rem; }
@media (max-width: 520px) {
  .research-page form { display: grid; grid-template-columns: 1fr; }
  .research-page form > p, .research-page form button { width: 100%; }
}


.site-header .brand{display:inline-flex;align-items:baseline;gap:4px;letter-spacing:normal}.site-header .brand span{font:400 29px/1 Georgia,serif}.site-header .brand small{font:400 11px/1 Arial,sans-serif;letter-spacing:1.4px;margin:0;color:inherit}

/* 2026-09-27: Guth Labs links, pagination, source marks (no third-party images), feeds, articles and revision history. */
.utility-bar { color: var(--on-accent); background: var(--accent); font-size: .8rem; }
.utility-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .35rem 1rem; width: min(100% - 2rem, 76rem); min-height: 2.1rem; margin-inline: auto; padding-block: .3rem; }
.utility-bar a { color: var(--on-accent); text-decoration: none; }
.utility-bar a:hover { color: var(--on-accent); text-decoration: underline; }
.utility-labs strong { font-weight: 800; }
.utility-links { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; align-items: center; }
.utility-links a[aria-current='page'] { text-decoration: underline; }
.utility-app { padding: .18rem .6rem; border: 1px solid color-mix(in srgb, var(--on-accent) 55%, transparent); border-radius: 100vw; font-weight: 750; }
.utility-app:hover { background: color-mix(in srgb, var(--on-accent) 14%, transparent); }

.card-kicker { display: flex; align-items: center; gap: .5rem; }
.source-mark { display: inline-grid; flex: 0 0 auto; place-items: center; width: 1.75rem; height: 1.75rem; color: #fffdf5; background: #3f5a48; border-radius: .3rem; font: 800 .66rem/1 var(--sans); letter-spacing: .03em; }
.source-mark img { width: 1.25rem; height: 1.25rem; object-fit: contain; }
.source-mark-guth { background: var(--surface-muted); border: 1px solid var(--rule); }
.news-category-kicker { display: inline-flex; align-items: center; gap: .45rem; max-width: 100%; min-width: 0; }
.story-page .news-category-kicker .eyebrow { margin: 0; }
:root[data-theme="dark"] .story-page .news-category-kicker .source-mark-guth img { filter: invert(1); }
.source-mark-t0 { background: #2f5b4a; } .source-mark-t1 { background: #5a4a2a; } .source-mark-t2 { background: #3b4f78; } .source-mark-t3 { background: #6b3a3a; }
.source-mark-t4 { background: #4f3f6b; } .source-mark-t5 { background: #2f5963; } .source-mark-t6 { background: #5d4b36; } .source-mark-t7 { background: #45552c; }
.research-card > .source-mark { margin-bottom: .6rem; }
.story-card-guth { border-top: 3px solid var(--accent); }
.undated { font-style: italic; }

.pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); font-size: .92rem; }
.pagination a { padding: .45rem .8rem; color: var(--accent); border: 1px solid var(--border); border-radius: .3rem; font-weight: 750; text-decoration: none; }
.pagination a:hover { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.pagination-status { color: var(--muted); }
.pagination-edge { color: var(--muted); font-size: .82rem; }

.subscribe-module ul { display: grid; gap: .35rem; margin: .8rem 0 1rem; padding-left: 1.1rem; font-size: .9rem; }
.subscribe-module a { color: var(--accent); font-weight: 700; }
.app-cta, .secondary-cta { display: inline-block; padding: .55rem .95rem; border-radius: .35rem; font-weight: 800; text-decoration: none; }
.app-cta, .subscribe-module .app-cta { color: var(--on-accent); background: var(--accent); border: 1px solid var(--accent); }
.app-cta:hover, .subscribe-module .app-cta:hover { color: var(--on-accent); background: var(--accent-hover); }
.secondary-cta { color: var(--accent); border: 1px solid var(--border); }
.secondary-cta:hover { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }

.site-footer { flex-wrap: wrap; align-items: flex-start; }
.footer-brand { color: var(--text); font: 700 1.05rem/1.3 var(--serif); }
.footer-about p + p { margin-top: .2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .35rem 1rem; max-width: 36rem; justify-content: flex-end; }
.footer-links a { color: var(--accent); font-weight: 650; }

.feeds-intro { max-width: 48rem; margin-bottom: 2rem; }
.feeds-intro h1 { margin: .3rem 0 .8rem; }
.feeds-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.2rem 0 0; }
.feeds-page section > h2 { margin: 2rem 0 1rem; font-size: 1.6rem; }
.feed-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: 1rem; }
.feed-card { display: flex; flex-direction: column; gap: .55rem; min-width: 0; padding: 1.1rem; background: var(--surface); border: 1px solid var(--rule); border-radius: .45rem; }
.feed-card h3 { font-size: 1.15rem; }
.feed-card p { margin: 0; color: var(--muted); font-size: .88rem; }
.feed-card .feed-card-meta { font-size: .76rem; }
.feed-formats { display: flex; flex-wrap: wrap; gap: .4rem .9rem; margin: .2rem 0 0; padding: 0; list-style: none; }
.feed-formats li { display: inline-flex; align-items: center; gap: .35rem; }
.feed-formats a { color: var(--accent); font-weight: 800; }
.copy-button { min-height: 1.8rem; padding: .1rem .5rem; color: var(--text); background: var(--surface-muted); border: 1px solid var(--border); border-radius: .25rem; font-size: .72rem; font-weight: 700; }
.copy-button:hover, .copy-button[data-copied] { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
:root:not([data-js='true']) .copy-button { display: none; }
.feed-url code { display: block; overflow-wrap: anywhere; color: var(--text); font-size: .74rem; }
.app-subscribe { align-self: flex-start; margin-top: auto; color: var(--accent); font-size: .85rem; font-weight: 800; }
.placeholder-tag { margin-left: .3rem; padding: .05rem .4rem; color: var(--muted); border: 1px solid var(--border); border-radius: 100vw; font-size: .65rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.agent-guidance { margin-top: 2.5rem; max-width: 52rem; }
.agent-guidance ul { display: grid; gap: .5rem; padding-left: 1.2rem; color: var(--text); font-size: .92rem; }
.agent-guidance code, .placeholder-note code { font-size: .82em; }
.agent-guidance > p:not(.eyebrow) { margin-top: .8rem; }

.articles-intro { max-width: 60ch; margin: 1.4rem 0 1.8rem; }
.article-card-foot { display: flex; justify-content: space-between; gap: .75rem; margin: auto 0 0; padding-top: .6rem; color: var(--muted); border-top: 1px solid var(--rule); font-size: .78rem; }
.article-card-foot a { color: var(--accent); font-weight: 750; }
.archived-notice { max-width: 52rem; margin: 0 0 1.5rem; padding: .8rem 1rem; background: var(--surface-muted); border-left: 3px solid var(--focus); border-radius: .25rem; }
.article-verification, .revision-history { margin-top: 2rem; padding-top: 1.35rem; border-top: 1px solid var(--rule); }
.article-verification h2, .revision-history h2 { margin-bottom: .6rem; font-size: 1.45rem; }
.article-verification p { color: var(--muted); }
.revision-list { display: grid; gap: .8rem; padding: 0; margin: 0; list-style: none; }
.revision { padding: .85rem 1rem; background: var(--surface); border: 1px solid var(--rule); border-radius: .4rem; }
.revision-current { border-color: var(--accent); }
.revision p { margin: 0 0 .3rem; }
.revision-head { display: flex; align-items: center; gap: .5rem; }
.revision-badge { padding: .05rem .45rem; color: var(--on-accent); background: var(--accent); border-radius: 100vw; font-size: .68rem; font-weight: 800; }
.revision-meta { display: flex; flex-wrap: wrap; gap: .2rem .6rem; color: var(--muted); font-size: .78rem; }
.revision-meta > * + *::before { content: '·'; margin-right: .6rem; color: var(--border); }
.revision-change { font-size: .9rem; }
.revision a, .revision-viewing { color: var(--accent); font-size: .82rem; font-weight: 750; }
.article-page .source-list { list-style: decimal; padding-left: 1.2rem; }
.article-page .source-details code { font-size: .72rem; overflow-wrap: anywhere; }
.daily-grid { margin-top: 2rem; }

@media (max-width: 760px) {
  .footer-links { justify-content: flex-start; }
  .utility-inner { font-size: .76rem; }
}
.guth-latest { margin-block: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
.guth-latest .model-section-heading { margin-bottom: 1rem; }
.guth-latest-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); }
/* AI labels (EU AI Act Art. 50 posture), licence notes and policy pages. */
.ai-label { display: inline-block; padding: .05rem .45rem; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; }
a.ai-label:hover, a.ai-label:focus-visible { color: var(--accent-hover); border-color: var(--accent-hover); }
.ai-disclosure { margin: .8rem 0; padding: .6rem .8rem; border-left: 3px solid var(--accent); color: var(--muted); font-size: .92rem; }
.attribution-note { color: var(--muted); font-size: .8rem; }
.legal-detail h2 { margin-top: 1.6rem; }
.legal-updated, .legal-nav { color: var(--muted); font-size: .9rem; }
.table-scroll { max-width: 100%; overflow-x: auto; }
.attribution-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.attribution-table th, .attribution-table td { padding: .4rem .5rem; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.footer-legal { margin-top: .6rem; }

/* Compact editorial rows and a persistent research rail. */
.top-stories-label{display:flex;align-items:baseline;gap:.7rem;padding-top:1.25rem;color:var(--muted);font-size:.78rem}.top-stories-label .eyebrow{margin:0}
.editorial-list{display:grid;border-top:1px solid var(--rule)}
.editorial-list .story-card{display:grid;grid-template-columns:6.5rem minmax(0,1fr);align-items:start;gap:1rem;min-height:0;padding:1rem 0;background:transparent;border:0;border-bottom:1px solid var(--rule);border-radius:0;box-shadow:none}
.editorial-list .story-card-image,.editorial-list .story-card-placeholder{width:6.5rem;height:6.5rem;object-fit:cover;aspect-ratio:1;border-radius:.28rem;background:var(--surface-muted)}
.story-card-placeholder,.lead-placeholder{display:grid;place-items:center;background:linear-gradient(140deg,var(--surface-muted),var(--surface));border:1px solid var(--rule)}
.story-card-placeholder .source-mark{transform:scale(1.55)}.lead-placeholder{min-height:14rem;border-radius:.4rem}.lead-placeholder .source-mark{transform:scale(2.6)}
.editorial-list .story-card-body{padding:0}.editorial-list .story-card h3{font-size:1.1rem}.editorial-list .story-summary{margin:.3rem 0;font-size:.82rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.editorial-list .source-list,.editorial-list .source-details,.editorial-list .tag-list{display:none}
.research-module{position:static;top:auto}.research-route{margin:.5rem 0}.research-route a{font-size:.82rem;font-weight:750;color:var(--accent)}
.share-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem .75rem;margin:1rem 0 1.5rem;font-size:.82rem}.share-actions>span{font-weight:750}.share-actions a,.share-actions button{min-height:2rem;padding:.2rem .55rem;border:1px solid var(--border);border-radius:.25rem;color:var(--accent);background:var(--surface);font-weight:700;text-decoration:none}.share-actions a:hover,.share-actions button:hover{background:var(--surface-muted)}
.verification-facts{display:grid;gap:.55rem;margin:1rem 0}.verification-facts>div{padding:.65rem .8rem;border:1px solid var(--rule);border-radius:.25rem}.verification-facts dt{font-size:.75rem;font-weight:750;color:var(--muted)}.verification-facts dd{margin:.2rem 0 0;overflow-wrap:anywhere}.verification-facts code{font-size:.8rem}
.lead-image[src="/artwork/password-screening-v1.webp"]{display:block;width:100%;height:auto;max-height:26rem;aspect-ratio:1672/941;object-fit:contain}
.story-card-image[src="/artwork/password-screening-v1.webp"]{display:block;max-height:18rem;aspect-ratio:1672/941;object-fit:cover}
.article-artwork{margin:1.5rem 0 0}.article-artwork img{display:block;width:100%;height:auto;max-height:30rem;aspect-ratio:1672/941;object-fit:contain;border-radius:.35rem}.article-artwork figcaption,.article-card-artwork figcaption{margin-top:.4rem;color:var(--muted);font-size:.75rem}.article-card-artwork{margin:0}.article-card-artwork img{display:block;width:100%;height:auto;max-height:18rem;aspect-ratio:1672/941;object-fit:contain}.article-card-artwork figcaption{padding:0 .8rem .5rem}
.artwork-credit{margin:.3rem 0 .55rem;color:var(--muted);font-size:.72rem}
/* Keep the text lead full-width and approved artwork compact. */
.lead-story.lead-story-text{display:flex;flex-direction:column-reverse;gap:.65rem;padding-bottom:1.4rem}
.lead-story.lead-story-text .lead-story-copy{width:100%;max-width:none}
.lead-story.lead-story-text h2{max-width:none}
.lead-story-text .lead-placeholder{width:2.5rem;height:2.5rem;min-height:2.5rem;border-radius:.3rem}
.lead-story-text .lead-placeholder .source-mark{transform:none}
.lead-story h2{font-size:clamp(1.9rem,3vw,2.4rem);line-height:1.12}
.lead-story-illustrated{grid-template-columns:minmax(0,1fr) minmax(10rem,.34fr);gap:1rem;padding-bottom:1.4rem}
.lead-story-illustrated .lead-image{display:block;width:100%;height:auto;max-height:12rem;aspect-ratio:16/9;object-fit:cover}
.lead-story-illustrated .lead-image[src="/artwork/password-screening-v1.webp"]{aspect-ratio:1672/941;object-fit:contain}
.research-card-stack{grid-template-columns:minmax(0,1fr);gap:.45rem}
.research-card{display:grid;grid-template-columns:1.75rem minmax(0,1fr);align-items:start;justify-content:start;gap:.6rem;min-height:0;padding:.65rem}
.research-card>.source-mark{margin:0}.research-card h3{font-size:.88rem;line-height:1.25}
.research-card-label{margin:0 0 .15rem}.research-card-meta{margin:.35rem 0 0}
/* Latest Guth stories use readable rows; citations and source details remain available. */
.guth-latest-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:0;border-top:1px solid var(--rule)}
.guth-latest-grid .story-card{display:grid;grid-template-columns:4.5rem minmax(0,1fr);align-items:start;gap:.85rem;min-height:0;padding:.8rem 0;background:transparent;border:0;border-bottom:1px solid var(--rule);border-radius:0;box-shadow:none}
.guth-latest-grid .story-card-guth{border-top:0}
.guth-latest-grid .story-card:has(>.story-card-placeholder){grid-template-columns:2rem minmax(0,1fr)}
.guth-latest-grid .story-card-image{display:block;width:4.5rem;height:4.5rem;aspect-ratio:1;object-fit:cover;border-radius:.3rem}
.guth-latest-grid .story-card-placeholder{display:grid;width:2rem;height:2rem;aspect-ratio:1;background:none;border:0}
.guth-latest-grid .story-card-placeholder .source-mark{transform:none}
.guth-latest-grid .story-card-body{display:block;padding:0}
.guth-latest-grid .story-card h3{margin:.2rem 0 .35rem;font-size:1.04rem;line-height:1.28}
.guth-latest-grid .story-summary{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:.35rem 0;font-size:.83rem}
.guth-latest-grid .tag-list{display:none}
.guth-latest-grid .latest-source-list,.guth-latest-grid .source-details{margin-top:.35rem;font-size:.75rem}
.guth-latest-grid .latest-source-list summary{width:fit-content;color:var(--accent);cursor:pointer;font-weight:750}
.guth-latest-grid .latest-source-list .source-list{margin:.4rem 0 0}
@media(max-width:760px){.research-module{position:static}}@media(max-width:520px){.editorial-list .story-card{grid-template-columns:4.5rem minmax(0,1fr)}.editorial-list .story-card-image,.editorial-list .story-card-placeholder{width:4.5rem;height:4.5rem}.editorial-list .story-summary{display:none}}
/* News home only. The page uses the document scroll and inherited theme tokens. */
.page-shell.news-home{width:min(100% - 2rem,72.5rem);padding-block:1.7rem 4rem}
.news-home-heading{margin:0 0 1.4rem}
.news-home-heading .eyebrow{margin-bottom:.35rem}
.news-home-heading h1{font:700 clamp(1.65rem,2.6vw,2rem)/1.2 var(--serif);letter-spacing:-.025em}
.news-home-date{margin:.4rem 0 0;color:var(--muted);font-size:.9rem}
.news-home .news-section-heading{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:.85rem}
.news-home .news-section-heading h2{font:700 clamp(1.3rem,2vw,1.55rem)/1.2 var(--serif);letter-spacing:-.02em}
.news-home .news-section-heading>a,.news-explore>a{color:var(--accent);font-weight:750;text-decoration:none}
.news-home .news-section-heading>a:hover,.news-explore>a:hover{text-decoration:underline}
.news-home .news-section-heading p{margin:0;color:var(--muted);font-size:.78rem}
.news-top-stories,.news-guth-rows,.news-more-rows,.news-topic-panel{background:var(--surface);border:1px solid var(--rule);border-radius:1rem}
.news-top-stories{padding:1rem 1.2rem 0}
.news-top-stories>.news-section-heading{padding-bottom:.8rem;border-bottom:1px solid var(--rule)}
.news-top-stories>.news-section-heading h2{color:var(--accent)}
.news-lead{display:grid;grid-template-columns:minmax(0,.42fr) minmax(0,.58fr);gap:1.35rem;padding:.15rem 0 1.1rem}
.news-lead-visual{min-width:0}
.news-lead-image,.news-source-tile{width:100%;height:100%;min-height:12rem;max-height:15rem;aspect-ratio:16/10;border-radius:.7rem}
.news-lead-image{object-fit:cover;background:var(--surface-muted)}
.news-lead-image[src="/artwork/password-screening-v1.webp"]{object-fit:contain}
.news-source-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.7rem;padding:1rem;color:var(--accent);background:linear-gradient(145deg,var(--surface-muted),var(--surface));border:1px solid var(--rule);text-align:center;font:700 1rem/1.2 var(--sans)}
.news-source-tile .source-mark{transform:scale(2);margin:1rem}
.news-lead-copy{min-width:0}
.news-lead h3{margin:.3rem 0 .55rem;font:700 clamp(1.2rem,1.9vw,1.5rem)/1.18 var(--serif);letter-spacing:-.02em}
.news-lead h3 a,.news-row h3 a,.news-row h4 a{color:var(--text);text-decoration:none}
.news-lead h3 a:hover,.news-row h3 a:hover,.news-row h4 a:hover{text-decoration:underline}
.news-lead .story-meta{margin:.35rem 0 .55rem}
.news-lead-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:.5rem 0 .6rem;color:var(--muted);font-size:.91rem;line-height:1.4}
.news-lead-summary:has(.ai-label){display:block}
.news-citations{margin:.45rem 0;color:var(--muted);font-size:.78rem}
.news-citations summary{width:fit-content;color:var(--accent);cursor:pointer;font-weight:750}
.news-citations .source-list{margin-top:.5rem}
.news-home .source-details{margin:.4rem 0;font-size:.75rem}
.news-top-rows{border-top:1px solid var(--rule)}
.news-row{display:grid;grid-template-columns:minmax(0,1fr) 6rem;gap:1rem;min-width:0;padding:.9rem 0;border-bottom:1px solid var(--rule)}
.news-row:last-child{border-bottom:0}
.news-row-copy{min-width:0}
.news-row-kicker{display:flex;align-items:center;gap:.45rem}
.news-row-kicker>.source-mark{flex:0 0 auto}
.news-row h3,.news-row h4{margin:.24rem 0 .28rem;font:700 clamp(1rem,1.5vw,1.15rem)/1.25 var(--serif);overflow-wrap:anywhere}
.news-row .story-meta{margin:.25rem 0;color:var(--muted)}
.news-row-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin:.3rem 0 0;color:var(--muted);font-size:.82rem;line-height:1.35}
.news-row-visual,.news-row-source{align-self:start;width:6rem;height:6rem;border-radius:.55rem;overflow:hidden}
.news-row-image{width:100%;height:100%;object-fit:cover}
.news-row-image[src="/artwork/password-screening-v1.webp"]{object-fit:contain}
.news-lead-image[src*="/news-artwork/npm-"],.news-row-image[src*="/news-artwork/npm-"]{object-fit:cover}

.news-row-source{display:grid;place-items:center;color:var(--accent);background:var(--surface-muted);border:1px solid var(--rule)}
.news-row-source .source-mark{transform:scale(1.35)}
.news-latest-guth,.news-topics,.news-more,.news-models{margin-top:2rem}
.news-latest-guth .news-section-heading .eyebrow{margin-bottom:.25rem}
.news-guth-rows,.news-more-rows{padding:0 1.2rem}
.news-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;align-items:start}
.news-topic-panel{min-width:0;padding:.9rem 1rem .15rem}
.news-topic-heading{padding:.1rem 0 .7rem;border-bottom:1px solid var(--rule)}
.news-topic-heading h3{font:700 1.15rem/1.2 var(--serif)}
.news-topic-heading a{color:var(--accent);text-decoration:none}
.news-topic-heading a:hover{text-decoration:underline}
.news-topic-panel .news-row{grid-template-columns:minmax(0,1fr) 3.8rem;gap:.5rem;padding:.8rem 0}
.news-topic-panel .news-row h4{font-size:.98rem}
.news-topic-panel .news-row-summary{display:none}
.news-topic-panel .news-row-visual,.news-topic-panel .news-row-source{width:3.8rem;height:3.8rem;border-radius:.4rem}
.news-topic-panel .news-row-source .source-mark{transform:none}
.news-topic-panel .news-row .story-meta{font-size:.68rem}
.news-topic-panel .news-row .content-kind{font-size:.66rem}
.news-topic-panel .news-row .topic-badge{display:none}
.news-topic-panel .news-row .news-citations,.news-topic-panel .news-row .source-details{margin:.25rem 0}
.news-models .model-release-section{margin:0}
.news-models .model-section-heading h2{font-size:1.45rem}
.news-explore{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;margin-top:2rem;padding:1.1rem 1.2rem;background:var(--surface);border:1px solid var(--rule);border-radius:1rem}
.news-explore h2{font-size:1.25rem}
.news-explore p{margin:.35rem 0 0;color:var(--muted);font-size:.87rem}
.news-explore>a{flex:0 0 auto}
@media(max-width:850px){.news-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.page-shell.news-home{width:min(100% - 1.25rem,72.5rem);padding-top:1.2rem}.news-lead{grid-template-columns:minmax(0,1fr);gap:.75rem}.news-lead-image,.news-source-tile{height:auto;min-height:9rem;max-height:13rem;aspect-ratio:16/8}.news-top-stories{padding:.9rem .9rem 0}.news-guth-rows,.news-more-rows{padding:0 .9rem}.news-topic-grid{grid-template-columns:minmax(0,1fr)}.news-row{grid-template-columns:minmax(0,1fr) 4.5rem;gap:.65rem}.news-row-visual,.news-row-source{width:4.5rem;height:4.5rem}.news-explore{display:block}.news-explore>a{display:inline-block;margin-top:.7rem}}

/* Research landing; append inside the publisher's existing /style.css template. */
.research-landing{max-width:72rem}
.research-intro{max-width:55rem;margin:1.2rem 0 2rem}
.research-intro h1{margin:.25rem 0 .8rem;font:700 clamp(2rem,4vw,3.4rem)/1.08 var(--serif)}
.research-intro p:last-child{color:var(--muted);line-height:1.55}
.research-panel{min-width:0;margin:1.3rem 0;padding:clamp(1rem,2.5vw,1.6rem);background:var(--surface);border:1px solid var(--rule);border-radius:.45rem}
.research-panel .eyebrow{margin:0 0 .3rem}
.research-panel h2{margin:0 0 .85rem;font:700 clamp(1.35rem,2.4vw,1.85rem)/1.2 var(--serif)}
.research-panel-head{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;align-items:baseline;justify-content:space-between}
.research-panel-head>p{margin:0;color:var(--muted);font-size:.83rem}
.research-window-form{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin:1rem 0}
.research-window-form label{font-weight:700}
.research-window-form select,.research-window-form button{min-height:2.5rem;padding:.4rem .65rem;border:1px solid var(--border);border-radius:.3rem;font:inherit}
.research-window-form select{color:var(--text);background:var(--surface)}
.research-window-form button{color:var(--on-accent);background:var(--accent);border-color:var(--accent);font-weight:700;cursor:pointer}
.research-method{max-width:62rem;color:var(--muted);font-size:.86rem;line-height:1.55}
.research-timeline{display:grid;gap:.3rem;max-width:52rem;margin:1.25rem 0 0;padding:0;list-style:none}
.research-timeline a{display:grid;grid-template-columns:minmax(8rem,12rem) minmax(3rem,1fr) 2.5rem;align-items:center;gap:.7rem;padding:.35rem .5rem;border-radius:.25rem;color:var(--text);text-decoration:none}
.research-timeline a:hover{background:var(--surface-muted);text-decoration:underline}
.research-timeline a:focus-visible,.research-record-group a:focus-visible,.research-window-form :focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.research-timeline meter{display:block;width:100%;height:1.2rem;accent-color:var(--accent)}
.research-timeline strong{text-align:right;font-variant-numeric:tabular-nums}
.research-record-group{scroll-margin-top:8rem;border-top:1px solid var(--rule);padding-top:.75rem;margin-top:1.25rem}
.research-record-group h3{margin:.2rem 0 .65rem;font-size:1.02rem}
.research-record-group h3 span{color:var(--muted);font-weight:400}
.research-record-group ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,19rem),1fr));gap:.7rem;margin:0;padding:0;list-style:none}
.research-record-group li{min-width:0;padding:.75rem;border:1px solid var(--rule);border-radius:.3rem;background:var(--canvas)}
.research-record-group h4{margin:.25rem 0 .45rem;font:700 1.05rem/1.35 var(--serif);overflow-wrap:anywhere}
.research-record-group .source-meta{margin:0;font-size:.78rem}
.research-record-type{margin:0;color:var(--accent);font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.research-next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.research-next>.research-panel{margin:0}
@media(max-width:700px){.research-next{grid-template-columns:minmax(0,1fr)}.research-timeline a{grid-template-columns:minmax(7rem,10rem) minmax(2rem,1fr) 2rem;gap:.35rem;font-size:.82rem}.research-window-form{align-items:stretch}.research-window-form label{flex-basis:100%}}

/* Lead reference review: the briefing shares its first row with compact Guth stories. */
.news-front-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start;gap:1rem}
:root[data-theme="dark"] .news-home .source-mark-guth img{filter:invert(1)}
.news-front-grid>.news-latest-guth{margin-top:0;background:var(--surface);border:1px solid var(--rule);border-radius:1rem;padding:1rem 1.1rem .15rem}
.news-front-grid .news-latest-guth .news-section-heading{align-items:start;flex-wrap:wrap;border-bottom:1px solid var(--rule);padding-bottom:.8rem}
.news-front-grid .news-guth-rows{padding:0;border:0;border-radius:0;background:transparent}
.news-front-grid .news-guth-rows .news-row{grid-template-columns:minmax(0,1fr) 4rem;gap:.6rem}
.news-front-grid .news-guth-rows .news-row-visual,.news-front-grid .news-guth-rows .news-row-source{width:4rem;height:4rem}
.news-front-grid .news-guth-rows .news-row-summary{display:none}
.news-front-grid .news-guth-rows .story-meta{font-size:.72rem;line-height:1.45}
@media(max-width:850px){.news-front-grid{grid-template-columns:minmax(0,1fr)}}

/* Publisher reading rail inside News content pages. */
.news-reading-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(16rem,19rem);align-items:start;gap:clamp(1rem,2.5vw,2rem)}
.news-reading-layout>*{min-width:0}
.news-reading-layout .story-detail,.news-reading-layout .story-grid{min-width:0}
.related-source-rail{min-width:0;border:1px solid var(--rule);border-radius:.8rem;background:var(--surface);padding:1rem 1.1rem;overflow-wrap:anywhere}
.related-source-head{border-bottom:1px solid var(--rule);padding-bottom:.8rem}
.related-source-head .eyebrow{margin:0 0 .35rem}
.related-source-head h2{margin:0;font:700 clamp(1.15rem,1.5vw,1.35rem)/1.25 var(--serif)}
.related-source-head p:last-child{margin:.4rem 0 0;color:var(--muted);font-size:.78rem;line-height:1.45}
.related-source-rail ol{list-style:none;margin:0;padding:0}
.related-source-rail li{padding:.8rem 0;border-bottom:1px solid var(--rule)}
.related-source-rail li>a{font-weight:700;line-height:1.35;text-decoration-thickness:1px;text-underline-offset:2px}
.related-source-rail li p{margin:.3rem 0 0;color:var(--muted);font-size:.74rem;line-height:1.4}
.related-source-all{display:inline-block;margin-top:.9rem;font-size:.82rem;font-weight:750}
.related-source-empty{color:var(--muted);font-size:.85rem}
.related-source-rail a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.news-front-grid .news-front-aside{min-width:0;display:grid;align-content:start;gap:1rem}
.news-front-grid .news-front-aside>.news-latest-guth{margin-top:0;background:var(--surface);border:1px solid var(--rule);border-radius:1rem;padding:1rem 1.1rem .15rem}
.news-front-grid .news-front-aside .news-latest-guth .news-section-heading{align-items:start;flex-wrap:wrap;border-bottom:1px solid var(--rule);padding-bottom:.8rem}
.news-front-grid .news-front-aside .news-guth-rows{padding:0;border:0;border-radius:0;background:transparent}
.news-front-grid .news-front-aside .news-guth-rows .news-row{grid-template-columns:minmax(0,1fr) 4rem;gap:.6rem}
.news-front-grid .news-front-aside .news-guth-rows .news-row-visual,.news-front-grid .news-front-aside .news-guth-rows .news-row-source{width:4rem;height:4rem}
.news-front-grid .news-front-aside .news-guth-rows .news-row-summary{display:none}
.news-front-grid .news-front-aside .news-guth-rows .story-meta{font-size:.72rem;line-height:1.45}
@media(max-width:850px){.news-reading-layout{grid-template-columns:minmax(0,1fr)}.news-front-grid .news-front-aside{grid-template-columns:minmax(0,1fr)}.related-source-rail{width:100%}}

/* Tony's open right column: context outside the rounded story cards. */
.related-source-rail{border:0;border-left:1px solid var(--rule);border-radius:0;background:transparent;padding:.25rem 0 .75rem 1.2rem}
.related-source-head{border-bottom:0;padding-bottom:.25rem}
.related-source-rail li:first-child{padding-top:.5rem}
@media(max-width:850px){.related-source-rail{border-left:0;border-top:1px solid var(--rule);padding:1.1rem 0 .5rem}}