/* Shared blog layout. Colour tokens follow the site's paper/obsidian registers. */
.journal [hidden] { display: none !important; }
/* Editorial figures (feature art, explainer panels) are fixed Operations Room
   panels in both registers (DESIGN.md › Journal). They read the dark
   primitives directly; the theme-remapped tokens would flip them to paper.
   Named --explainer-* so nothing shadows palette.css roles (--ai-ink etc.). */
.journal {
  --explainer-surface: #161714;               /* Hangar Raised */
  --explainer-raised: #1c1d1a;                /* Hangar Raised hover: nodes */
  --explainer-edge: #2a2b28;                  /* Hangar Edge: quiet separators */
  --explainer-rule: #5a5b56;                  /* Graphite Soft: node outlines */
  --explainer-line: #9a9b98;                  /* Instrument Grey: connectors, control borders */
  --explainer-ink: #f0f0ee;                   /* Bone */
  --explainer-muted: #9a9b98;                 /* Instrument Grey */
  --explainer-signal-ink: #1a1b18;            /* Graphite on lime */
  --explainer-veil: rgba(205, 252, 84, 0.15); /* Signal Lime Veil, dark value */
  --explainer-haze: rgba(205, 252, 84, 0.30); /* Signal Lime Haze, dark value */
}
.journal a:focus-visible, .journal button:focus-visible, .journal input:focus-visible { outline: 2px solid var(--bone); outline-offset: 3px; }
.journal :is(h2, h3, [id]) { scroll-margin-top: 110px; }
.journal-skip { position: fixed; top: -100px; left: 1rem; z-index: 1001; padding: 1rem; background: var(--hangar-raised); color: var(--bone); }
.journal-skip:focus { top: 1rem; }
.journal-label { font-family: var(--font-display); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; line-height: 1.5; color: var(--instrument-grey); }
.journal-masthead { padding-top: 145px; padding-bottom: 42px; }
.journal-masthead__line { display: flex; justify-content: space-between; align-items: center; padding-bottom: 24px; border-bottom: 1px solid var(--hangar-edge); }
.journal-masthead__line a { font-size: .8rem; }
.journal-masthead h1 { font-size: clamp(2.8rem, 6.1vw, 5.6rem); margin: 30px 0 18px; max-width: 1050px; }
.journal-masthead > p { color: var(--instrument-grey); max-width: 640px; font-size: 1.1rem; line-height: 1.7; }
.journal section.journal-feature { padding-top: 0; padding-bottom: 0; display: grid; grid-template-columns: 1.5fr 1fr; margin-bottom: 72px; }
.journal-feature__story { padding: clamp(24px, 3.5vw, 48px); background: var(--hangar-raised); border: 1px solid var(--hangar-edge); }
.journal-feature__eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: .75rem; color: var(--instrument-grey); }
.journal-feature__eyebrow .journal-label { padding: 5px 9px; color: #1a1b18; background: var(--signal-lime); }
.journal-feature h2 { margin: 25px 0 18px; font-size: clamp(1.7rem, 3.1vw, 2.75rem); line-height: 1.15; }
.journal-feature h2 a { color: var(--bone); text-decoration: none; }
.journal-feature__story > p { font-size: .95rem; line-height: 1.75; color: var(--instrument-grey); }
.journal-feature__bottom { display: flex; justify-content: space-between; gap: 24px; align-items: end; padding-top: 30px; font-size: .75rem; line-height: 1.8; }
.journal-feature__bottom time { color: var(--instrument-grey); }
.journal-feature__link { white-space: nowrap; font-weight: 600; }
.journal-feature__link span { padding-left: 12px; }
/* Decorative (aria-hidden) cover art: its small label and caption are exempt from the label floor. */
.journal-feature__art { background: var(--explainer-surface); color: var(--explainer-ink); position: relative; min-height: 350px; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; background-image: linear-gradient(var(--explainer-edge) 1px, transparent 1px), linear-gradient(90deg, var(--explainer-edge) 1px, transparent 1px); background-size: 32px 32px; }
.journal-feature__art > .journal-label { color: var(--explainer-muted); font-size: .65rem; }
.journal-orbit { position: absolute; width: 270px; height: 270px; border: 1px solid var(--explainer-rule); border-radius: 50%; left: 50%; top: 48%; transform: translate(-50%, -50%); display: grid; place-items: center; }
.journal-orbit::before { content: ''; position: absolute; inset: 28px; border: 1px solid var(--explainer-haze); border-radius: 50%; }
.journal-orbit::after { content: ''; position: absolute; width: 12px; height: 12px; background: var(--signal-lime); right: 32px; top: 35px; }
.journal-orbit__core { display: grid; place-items: center; width: 110px; height: 110px; background: var(--signal-lime); color: var(--explainer-signal-ink); font-family: var(--font-brand); font-size: 5rem; transform: rotate(-8deg); }
.journal-art-caption { margin-top: auto; position: relative; font-family: var(--font-display); font-size: .7rem; letter-spacing: .11em; line-height: 1.6; }
.journal section.journal-archive { padding-top: 0; padding-bottom: 90px; display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 64px; }
.journal-section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-bottom: 28px; }
.journal-section-heading h2 { font-size: 1.8rem; }
.journal-filters { border-bottom: 1px solid var(--hangar-edge); padding-bottom: 20px; margin-bottom: 8px; }
.journal-filters label { display: block; margin-bottom: 10px; }
.journal-filters input { width: 100%; border: 1px solid var(--hangar-edge); padding: 13px 16px; background: var(--hangar-raised); color: var(--bone); border-radius: 0; font: inherit; font-size: .9rem; }
.journal-filters input::placeholder { color: var(--instrument-grey); }
.journal-topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.journal-topics button { border: 1px solid var(--hangar-edge); background: transparent; color: var(--bone); padding: 7px 10px; font: inherit; font-size: .75rem; cursor: pointer; border-radius: 0; }
.journal-topics button[aria-pressed="true"] { background: var(--signal-lime); border-color: var(--signal-lime); color: #1a1b18; }
.journal-filter-status { display: flex; justify-content: space-between; margin-top: 18px; font-size: .75rem; color: var(--instrument-grey); }
.journal-filter-status button { background: none; border: 0; font: inherit; color: var(--bone); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.journal-posts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
.journal-posts > div { display: flex; min-width: 0; }
.journal-card { display: flex; flex-direction: column; width: 100%; padding: 28px 0; border-bottom: 1px solid var(--hangar-edge); }
.journal-card__meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: var(--instrument-grey); font-size: .75rem; letter-spacing: .035em; }
.journal-card__meta > span { text-transform: uppercase; }
.journal-card h3 { font-size: 1.4rem; line-height: 1.3; margin: 14px 0 12px; }
.journal-card h3 a { color: var(--bone); text-decoration: none; }
.journal-card > p { font-size: .85rem; line-height: 1.75; color: var(--instrument-grey); margin-bottom: 22px; }
.journal-card__bottom { margin-top: auto; display: flex; gap: 12px; justify-content: space-between; color: var(--instrument-grey); font-size: .75rem; }
.journal-card__bottom > span:last-child { color: var(--bone); font-size: 1.1rem; }
.journal-sidebar { min-width: 0; }
.journal-author { border-top: 3px solid var(--bone); padding-top: 19px; }
.journal-author__identity { display: flex; gap: 13px; align-items: center; margin: 22px 0 16px; }
.journal-avatar { display: grid; place-items: center; width: 46px; height: 46px; flex-shrink: 0; background: var(--signal-lime); color: #1a1b18; font-family: var(--font-brand); font-size: 1.8rem; }
.journal-author__name { font-size: 1rem; font-weight: 600; }
.journal-author__identity p { font-size: .75rem; color: var(--instrument-grey); line-height: 1.5; margin-top: 5px; }
.journal-author__bio, .journal-feed p { font-size: .82rem; color: var(--instrument-grey); line-height: 1.8; margin-bottom: 18px; }
.journal-text-link { font-size: .78rem; line-height: 1.7; }
.journal-feed { padding: 24px; margin-top: 36px; background: var(--hangar); border: 1px solid var(--hangar-edge); }
.journal-feed h3 { font-size: 1.3rem; margin: 14px 0; }
.journal-empty { padding: 40px 0; color: var(--instrument-grey); }
.journal-article-header { padding-top: 136px; padding-bottom: 40px; }
.journal-back { font-size: .78rem; }
.journal-article-kicker { display: flex; align-items: center; gap: 18px; margin: 36px 0 22px; font-size: .75rem; color: var(--instrument-grey); }
.journal-article-kicker .article-category { font-size: .75rem; }
.journal-article-header h1 { font-size: clamp(2.25rem, 4.3vw, 4.25rem); max-width: 950px; line-height: 1.12; margin-bottom: 22px; }
.journal-deck { max-width: 770px; color: var(--instrument-grey); font-size: 1.1rem; line-height: 1.8; }
.journal-byline { display: flex; align-items: center; gap: 16px; margin-top: 28px; font-size: .75rem; color: var(--instrument-grey); flex-wrap: wrap; }
.journal-avatar--small { width: 30px; height: 30px; font-size: 1.2rem; }
.journal-reading-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 64px; padding-bottom: 80px; align-items: start; }
.journal-prose { padding: 35px 0 0; min-width: 0; border-top: 1px solid var(--hangar-edge); }
.journal-prose > p:first-child { font-size: 1.15rem; line-height: 1.8; }
.journal .journal-prose :is(p, ul, ol) { max-width: none; color: var(--bone); }
.journal-prose h2 { margin-top: 2.5rem; font-size: 1.65rem; }
.journal-prose h3 { font-size: 1.3rem; margin: 2rem 0 1rem; }
.journal-prose img { display: block; max-width: 100%; height: auto; margin: 2rem 0; }
.journal-prose pre { overflow-x: auto; padding: 24px; background: var(--hangar); border: 1px solid var(--hangar-edge); margin: 24px 0; font-size: .85rem; }
.journal-prose code { background: var(--hangar); padding: .12em .25em; overflow-wrap: anywhere; }
.journal-prose pre code { padding: 0; overflow-wrap: normal; }
.journal-prose blockquote { padding: 16px 24px; margin: 24px 0; border: 1px solid var(--hangar-edge); background: var(--hangar); }
.journal-prose blockquote p:last-child { margin-bottom: 0; }
.journal-prose table { border-collapse: collapse; margin: 24px 0; width: 100%; display: block; overflow-x: auto; }
.journal-prose :is(th, td) { padding: 12px; border: 1px solid var(--hangar-edge); text-align: left; font-size: .85rem; }
.journal-prose th { background: var(--hangar); }
.journal-mobile-toc { display: none; }
.journal-prose a { overflow-wrap: anywhere; }
.journal-toc { border-top: 1px solid var(--hangar-edge); padding-top: 22px; margin-top: 32px; }
.journal-toc ul { list-style: none; margin: 14px 0 0; padding: 0; }
.journal-toc li { margin-bottom: 12px; line-height: 1.6; }
.journal-toc a { font-size: .78rem; color: var(--instrument-grey); }
.journal-toc ul ul { padding-left: 12px; border-left: 1px solid var(--hangar-edge); }
.journal-article-topics { border-top: 1px solid var(--hangar-edge); margin-top: 40px; padding-top: 25px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; font-size: .78rem; }
.journal section.journal-related { border-top: 1px solid var(--hangar-edge); background: var(--hangar); padding: 55px 0 65px; }
.journal-related .journal-section-heading { margin-bottom: 16px; }
.journal-related h2 { margin-top: 12px; font-size: 2.2rem; }
.journal-related .container > p { color: var(--instrument-grey); font-size: .9rem; }
.journal-related__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; margin-top: 16px; }
:root.theme-paper .journal :is(.journal-card h3 a, .journal-feature h2 a) { text-decoration: none; }
:root.theme-paper .journal :is(.journal-card h3 a, .journal-feature h2 a):hover { text-decoration: underline; text-decoration-color: var(--instrument-grey); text-decoration-thickness: 1px; text-underline-offset: 5px; background: var(--signal-lime-veil); }
@media (max-width: 1000px) {
  .journal section.journal-archive, .journal-reading-layout { gap: 32px; grid-template-columns: minmax(0, 1fr) 230px; }
  .journal-feature__bottom { align-items: start; flex-direction: column; gap: 16px; }
  .journal-posts { grid-template-columns: 1fr; }
  .journal-feature__art { padding: 22px; }
}
@media (max-width: 760px) {
  .journal-masthead { padding-top: 112px; }
  .journal section.journal-feature { grid-template-columns: 1fr; margin-bottom: 48px; }
  .journal-feature__art { min-height: 180px; }
  .journal-orbit { width: 190px; height: 190px; left: 72%; top: 60%; }
  .journal-orbit__core { width: 75px; height: 75px; font-size: 3rem; }
  .journal-art-caption { max-width: 45%; }
  .journal-feature__bottom { flex-direction: row; align-items: end; }
  .journal section.journal-archive, .journal-reading-layout { grid-template-columns: 1fr; gap: 44px; }
  .journal-section-heading { align-items: start; flex-wrap: wrap; }
  .journal-article-header { padding-top: 112px; }
  .journal-reading-sidebar { display: grid; grid-template-columns: 1fr; }
  .journal-reading-sidebar .journal-toc { display: none; }
  .journal-mobile-toc { display: block; margin-top: 24px; border-top: 1px solid var(--hangar-edge); padding-top: 18px; }
  .journal-mobile-toc summary { cursor: pointer; font-size: .85rem; }
  .journal-mobile-toc .journal-toc { margin-top: 16px; padding-top: 0; border: 0; }
  .journal-related__grid { grid-template-columns: 1fr; gap: 0; }
  .journal-byline { gap: 12px; }
  .journal-byline > span:not(.journal-avatar) { flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) { .journal * { scroll-behavior: auto; } }

/* Interactive editorial figure: option 3, with a readable static fallback. */
.journal-reading-layout:has(.ai-explainer) { max-width: 1440px; }
.journal:has(.ai-explainer) .journal-article-header { max-width: 1440px; }
.journal-prose:has(.ai-explainer) > :is(p, h2) { max-width: 65ch; }
.ai-explainer { container-type: inline-size; margin: 44px 0; }
.journal-prose .ai-explainer__heading h3 { margin: 0 0 12px; font-size: clamp(2rem, 3.4vw, 3.3rem); line-height: 1.15; }
.journal-prose .ai-explainer__heading p { font-size: 1rem; margin: 0 0 24px; line-height: 1.7; }
.ai-explainer__panel { background: var(--explainer-surface); color: var(--explainer-ink); padding: 32px; border: 1px solid var(--explainer-edge); }
.ai-explainer__eyebrow { display: block; font-family: var(--font-display); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.ai-explainer__controls { display: flex; width: fit-content; max-width: 100%; margin-top: 16px; border: 1px solid var(--explainer-line); }
.ai-explainer__controls button { position: relative; min-height: 44px; padding: 12px 22px; border: 0; border-radius: 0; background: transparent; color: var(--explainer-ink); font: inherit; font-size: .86rem; line-height: 1.4; cursor: pointer; }
.ai-explainer__controls button + button { border-left: 1px solid var(--explainer-line); }
.ai-explainer__controls button[aria-pressed="true"] { box-shadow: inset 0 -3px var(--signal-lime); background: var(--explainer-raised); }
.ai-explainer__controls button:hover { background: var(--explainer-edge); }
/* (0,3,1): outranks light.css's paper focus colour, which would draw graphite on this dark panel. */
.journal .ai-explainer__controls button:focus-visible { outline: 2px solid var(--explainer-ink); outline-offset: 3px; z-index: 1; }
.ai-explainer__policy { display: block; margin-top: 12px; font-size: .75rem; color: var(--explainer-muted); }
.ai-flow { display: grid; grid-template-columns: minmax(100px, 1fr) 80px minmax(145px, 1.1fr) minmax(220px, 1.9fr); align-items: center; gap: 18px; margin: 28px 0 26px; }
.ai-icon { display: inline-block; width: 24px; height: 24px; flex-shrink: 0; background-color: currentColor; mask: var(--ai-icon) center / contain no-repeat; -webkit-mask: var(--ai-icon) center / contain no-repeat; }
.ai-icon--large { width: 64px; height: 64px; }
.ai-source { display: flex; flex-direction: column; gap: 9px; align-items: flex-start; }
.ai-source > .ai-icon { margin-bottom: 9px; }
.ai-source strong, .ai-route__label strong { font-size: 1.02rem; line-height: 1.4; }
.ai-source > span:last-child, .ai-route__label > span { font-size: .86rem; line-height: 1.6; color: var(--explainer-muted); }
.ai-flow__incoming { position: relative; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.ai-flow__incoming::before { content: ''; position: absolute; left: 0; right: 8px; top: 12px; border-top: 1px solid currentColor; }
.ai-flow__incoming .ai-icon { width: 24px; height: 24px; align-self: flex-end; }
/* aria-hidden annotation; the request path is also described in text. */
.ai-flow__incoming > span:last-child { font-size: .7rem; line-height: 1.55; color: var(--explainer-muted); }
.ai-gateway { min-width: 0; text-align: center; border: 1px solid var(--explainer-line); padding: 20px 15px 16px; display: flex; flex-direction: column; align-items: center; gap: 9px; }
.journal-prose .ai-gateway__logo { width: 45px; height: 56px; object-fit: contain; margin: 0 0 7px; }
.ai-gateway > strong { font-family: var(--font-display); font-weight: 400; font-size: 1.4rem; line-height: 1.2; }
.ai-gateway > span { font-size: .82rem; line-height: 1.5; }
.ai-gateway__classification { width: 100%; display: flex; flex-direction: column; gap: 7px; margin-top: 9px; padding-top: 16px; border-top: 1px solid var(--explainer-rule); font-size: .76rem; line-height: 1.5; }
.ai-gateway__classification > span { color: var(--explainer-muted); }
.ai-gateway__classification strong { color: var(--signal-lime); font-weight: 500; }
.ai-destinations { position: relative; align-self: stretch; display: grid; grid-template-rows: 1fr 1fr; }
.ai-destinations::before { content: ''; position: absolute; left: -18px; width: 18px; top: 50%; border-top: 1px solid var(--explainer-line); }
.ai-route { display: grid; grid-template-columns: 74px 52px minmax(0, 1fr); align-items: center; gap: 14px; }
.ai-route > .ai-icon { width: 52px; height: 52px; }
.ai-route__connection { position: relative; height: 100%; text-align: center; color: var(--explainer-muted); }
.ai-route__connection::before { content: ''; position: absolute; left: 0; right: 8px; top: 50%; bottom: 0; border-left: 1px solid currentColor; border-top: 1px solid currentColor; }
.ai-route--external .ai-route__connection::before { top: 0; bottom: 50%; border-top: 0; border-left-style: dashed; border-bottom: 1px dashed currentColor; }
.ai-route__connection > .ai-icon { position: absolute; right: 0; top: calc(50% - 12px); width: 24px; height: 24px; }
.ai-route__connection > span:last-child { position: absolute; left: 8px; right: -4px; top: calc(50% + 12px); font-size: .75rem; line-height: 1.5; }
.ai-route--local .ai-route__connection, [data-example="public"] .ai-route--external .ai-route__connection { color: var(--signal-lime); }
.ai-route__label { display: flex; flex-direction: column; gap: 6px; }
.journal .journal-prose .ai-explainer .ai-explainer__result { margin: 0; padding-top: 22px; border-top: 1px solid var(--explainer-edge); font-size: .88rem; line-height: 1.75; text-align: center; color: var(--explainer-ink); }
.ai-explainer figcaption { color: var(--instrument-grey); font-size: .8rem; line-height: 1.7; margin-top: 13px; }
.ai-policy { margin: 32px 0; }
.journal-prose .ai-policy table { display: table; width: 100%; margin: 0; overflow: visible; }
.ai-policy caption { text-align: left; font-family: var(--font-display); font-size: 1.5rem; line-height: 1.3; padding-bottom: 20px; color: var(--bone); }
.journal-prose .ai-policy :is(th, td) { border: 0; border-bottom: 1px solid var(--hangar-edge); padding: 17px 16px; line-height: 1.65; font-size: .83rem; vertical-align: middle; background: none; }
.journal-prose .ai-policy thead th { color: var(--instrument-grey); font-size: .75rem; font-family: var(--font-display); letter-spacing: .07em; text-transform: uppercase; border-bottom-color: var(--instrument-grey); padding-top: 0; padding-bottom: 12px; }
.journal-prose .ai-policy :is(th, td):first-child { padding-left: 0; width: 24%; }
.journal-prose .ai-policy :is(th, td):last-child { padding-right: 0; }
.ai-policy__class { display: flex; align-items: center; gap: 14px; }
.ai-policy__class .ai-icon { width: 25px; height: 25px; }
@container (max-width: 760px) {
  .ai-explainer__panel { padding: 26px; }
  .ai-flow { grid-template-columns: minmax(90px, 1fr) 40px minmax(135px, 1.1fr) minmax(175px, 1.5fr); gap: 12px; }
  .ai-route { grid-template-columns: 54px minmax(0, 1fr); gap: 12px; }
  .ai-route > .ai-icon { display: none; }
  .ai-destinations::before { left: -12px; width: 12px; }
}
@container (max-width: 590px) {
  .ai-explainer__panel { padding: 24px 20px; }
  .ai-explainer__controls { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .ai-explainer__controls button { font-size: .78rem; padding: 11px 12px; }
  .ai-flow { display: flex; flex-direction: column; gap: 20px; margin: 28px 0 24px; }
  .ai-source { display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 16px; row-gap: 4px; width: 100%; align-items: center; }
  .ai-source > .ai-icon { grid-row: span 2; width: 44px; height: 52px; margin: 0; }
  .ai-flow__incoming { flex-direction: row; gap: 12px; }
  .ai-flow__incoming::before, .ai-destinations::before, .ai-route__connection::before { display: none; }
  .ai-flow__incoming .ai-icon { width: 24px; height: 32px; transform: rotate(90deg); }
  .ai-flow__incoming > span:last-child { max-width: 140px; text-align: left; }
  .ai-gateway { width: 100%; padding: 20px; display: grid; grid-template-columns: 42px 1fr; column-gap: 14px; row-gap: 6px; text-align: left; }
  .journal-prose .ai-gateway__logo { width: 36px; height: 52px; margin: 0; grid-row: span 2; }
  .ai-gateway > strong { font-size: 1.35rem; }
  .ai-gateway__classification { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; justify-content: space-between; margin-top: 8px; padding-top: 12px; }
  .ai-destinations { grid-template-columns: 1fr 1fr; grid-template-rows: auto; gap: 18px; width: 100%; }
  .ai-route { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
  .ai-route__connection { display: flex; align-items: center; text-align: left; gap: 8px; height: auto; }
  .ai-route__connection > .ai-icon { position: static; width: 24px; height: 28px; transform: rotate(90deg); }
  .ai-route__connection > span:last-child { position: static; }
  .ai-route > .ai-icon { display: block; width: 36px; height: 36px; }
  .ai-route__label strong { font-size: .9rem; }
  .ai-route__label > span { font-size: .75rem; }
  .journal .journal-prose .ai-explainer .ai-explainer__result { text-align: left; }
}
@media (max-width: 600px) {
  .journal-prose .ai-policy :is(th, td) { font-size: .75rem; padding: 12px 8px; line-height: 1.65; }
  .journal-prose .ai-policy thead th { letter-spacing: .02em; }
  .journal-prose .ai-policy :is(th, td):first-child { width: 28%; }
  .ai-policy__class { flex-direction: column; align-items: flex-start; gap: 6px; }
  .ai-policy__class .ai-icon { width: 22px; height: 22px; }
}

/* Aperture request flow: the same readable path in both site themes. */
.journal-reading-layout:has(.aperture-explainer),
.journal:has(.aperture-explainer) .journal-article-header { max-width: 1500px; }
.journal-prose:has(.aperture-explainer) > :is(p, h2) { max-width: 68ch; }
.aperture-explainer { container-type: inline-size; margin: 32px 0 36px; }
.aperture-explainer__panel { padding: 28px; background: var(--explainer-surface); color: var(--explainer-ink); border: 1px solid var(--explainer-edge); }
.aperture-explainer__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.aperture-explainer__heading > div:first-child { display: flex; flex-direction: column; gap: 12px; }
.aperture-explainer__eyebrow, .aperture-flow__step, .aperture-explainer__result > span { font-size: .75rem; letter-spacing: .09em; line-height: 1.5; color: var(--explainer-muted); }
.aperture-explainer__heading strong { font-family: var(--font-display); font-size: 1.45rem; font-weight: 400; line-height: 1.3; }
.aperture-explainer__controls { display: flex; flex-shrink: 0; border: 1px solid var(--explainer-line); padding: 3px; }
.aperture-explainer__controls[hidden] { display: none; }
.aperture-explainer__controls button { background: transparent; border: 0; color: var(--explainer-ink); padding: 9px 12px; font: inherit; font-size: .75rem; cursor: pointer; }
.aperture-explainer__controls button[aria-pressed="true"] { background: var(--signal-lime); color: var(--explainer-signal-ink); }
/* (0,3,1): outranks light.css's paper focus colour on this dark panel. */
.journal .aperture-explainer__controls button:focus-visible { outline: 2px solid var(--explainer-ink); outline-offset: 3px; }
.aperture-flow { display: grid; grid-template-columns: minmax(90px, .8fr) 24px minmax(116px, 1fr) 36px minmax(116px, 1fr) 36px minmax(126px, 1fr) minmax(175px, 1.3fr); align-items: center; margin: 34px 0 28px; }
.aperture-flow__node { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 0; gap: 10px; padding: 20px 10px; }
.aperture-flow__node:not(.aperture-flow__application) { border: 1px solid var(--explainer-rule); background: var(--explainer-raised); }
.aperture-flow__node > strong, .aperture-flow__destination > strong { font-size: .94rem; font-weight: 600; line-height: 1.4; }
.aperture-flow__node > span:not(.aperture-flow__step), .aperture-flow__destination > span:not(.aperture-flow__step) { font-size: .75rem; line-height: 1.7; color: var(--explainer-ink); }
.aperture-flow small { font-size: .75rem; line-height: 1.6; color: var(--explainer-muted); }
.aperture-flow__node small { border-top: 1px solid var(--explainer-rule); padding-top: 10px; margin-top: 3px; width: 100%; }
.aperture-flow__icon { width: 42px; height: 42px; flex-shrink: 0; }
.journal-prose .aperture-flow__logo { width: 140px; height: 42px; object-fit: contain; margin: 4px 0; }
.aperture-flow__application > .aperture-flow__icon { margin: 4px 0; }
.aperture-flow__arrow { color: var(--signal-lime); text-align: center; font-size: 1.35rem; line-height: 1; position: relative; }
/* aria-hidden arrow annotation (the step labels carry the same words): exempt from the label floor. */
.aperture-flow__arrow--tailnet > span { position: absolute; font-size: .5rem; letter-spacing: .03em; top: calc(100% + 7px); left: 50%; transform: translateX(-50%); }
.aperture-flow__destinations { position: relative; display: grid; gap: 20px; padding-left: 30px; }
.aperture-flow__destinations::before { content: ''; position: absolute; top: 50%; left: 0; width: 15px; border-top: 1px solid var(--explainer-line); }
.aperture-flow__destination { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 7px; padding: 16px; border: 1px solid var(--explainer-rule); background: var(--explainer-raised); }
.aperture-flow__destination::before { content: ''; position: absolute; width: 16px; left: -17px; border-left: 1px solid var(--explainer-line); }
.aperture-flow__destination--local::before { top: 50%; height: calc(50% + 12px); border-top: 1px solid var(--explainer-line); }
.aperture-flow__destination--hosted::before { bottom: 50%; height: calc(50% + 12px); border-bottom: 1px solid var(--explainer-line); }
.aperture-flow__destination::after { content: ''; width: 5px; height: 5px; border-top: 1px solid var(--explainer-line); border-right: 1px solid var(--explainer-line); position: absolute; left: -6px; top: calc(50% - 3px); transform: rotate(45deg); }
.aperture-flow__destination > .aperture-flow__icon { width: 30px; height: 30px; margin: 3px 0; }
[data-route="local"] .aperture-flow__destination--local,
[data-route="hosted"] .aperture-flow__destination--hosted { border-color: var(--signal-lime); background: var(--explainer-veil); }
[data-route="local"] .aperture-flow__destination--local > :is(strong, svg),
[data-route="hosted"] .aperture-flow__destination--hosted > :is(strong, svg) { color: var(--signal-lime); }
/* Grey on the veil falls to 4.3:1; the selected route's labels step up to Bone. */
[data-route="local"] .aperture-flow__destination--local > span,
[data-route="hosted"] .aperture-flow__destination--hosted > span { color: var(--explainer-ink); }
[data-route="local"] .aperture-flow__destination--local::before,
[data-route="local"] .aperture-flow__destination--local::after,
[data-route="hosted"] .aperture-flow__destination--hosted::before,
[data-route="hosted"] .aperture-flow__destination--hosted::after { border-color: var(--signal-lime); }
.aperture-explainer__result { border-top: 1px solid var(--explainer-edge); padding-top: 20px; display: grid; grid-template-columns: 100px 1fr; gap: 18px; align-items: baseline; }
.journal .journal-prose .aperture-explainer__result p { margin: 0; color: var(--explainer-ink); font-size: .83rem; line-height: 1.75; }
.aperture-explainer figcaption { margin-top: 14px; color: var(--instrument-grey); font-size: .78rem; line-height: 1.75; }
@container (max-width: 1000px) {
  .aperture-explainer__panel { padding: 24px; }
  .aperture-explainer__heading { flex-direction: column; }
  .aperture-flow { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
  .aperture-flow__node { width: 100%; display: grid; grid-template-columns: 120px 1fr; gap: 7px 18px; text-align: left; padding: 18px; }
  .aperture-flow__node > .aperture-flow__step { grid-column: 1 / -1; margin-bottom: 7px; }
  .aperture-flow__node > :is(img, svg) { grid-column: 1; grid-row: 2 / 4; justify-self: center; }
  .aperture-flow__node > strong, .aperture-flow__node > span:not(.aperture-flow__step) { grid-column: 2; }
  .aperture-flow__node small { grid-column: 1 / -1; margin-top: 8px; }
  .aperture-flow__arrow { transform: rotate(90deg); }
  .aperture-flow__arrow--tailnet > span { transform: rotate(-90deg); top: 0; left: 30px; }
  .aperture-flow__destinations { grid-template-columns: 1fr 1fr; gap: 16px; padding: 24px 0 0; width: 100%; }
  .aperture-flow__destinations::before { top: -16px; left: 50%; width: 0; height: 26px; border-top: 0; border-left: 1px solid var(--explainer-line); }
  .aperture-flow__destination { padding: 16px; }
  .aperture-flow__destination--local::before { top: -16px; left: 50%; width: calc(50% + 10px); height: 15px; border-left: 1px solid var(--explainer-line); border-top: 1px solid var(--explainer-line); }
  .aperture-flow__destination--hosted::before { top: -16px; left: -10px; bottom: auto; width: calc(50% + 10px); height: 15px; border-left: 0; border-bottom: 0; border-top: 1px solid var(--explainer-line); border-right: 1px solid var(--explainer-line); }
  .aperture-flow__destination::after { top: -7px; left: calc(50% - 2px); transform: rotate(135deg); }
}
@container (max-width: 380px) {
  .aperture-explainer__panel { padding: 20px 16px; }
  .aperture-flow__node { grid-template-columns: 95px 1fr; column-gap: 12px; padding: 14px; }
  .aperture-flow__node > strong { font-size: .88rem; }
  .aperture-flow__destinations { gap: 12px; }
  .aperture-flow__destination { padding: 12px 10px; }
  .aperture-flow__destination > strong { font-size: .84rem; }
  .aperture-flow__destination > span:not(.aperture-flow__step) { font-size: .75rem; }
  .aperture-explainer__result { grid-template-columns: 1fr; gap: 10px; }
}