@layer scene {
  .integrated-hero {
    --scene-rule: color-mix(in oklch, var(--accent) 24%, var(--paper));
    padding-block: 2.25rem 1.5rem;
  }
  .scene-title { padding-block-end: 2.75rem; }
  .scene-title h1 { font-size: clamp(2.1rem, 1.55rem + 1.4vw, 2.85rem); font-weight: 450; letter-spacing: -.04em; line-height: 1.16; }
  .scene-title h1 span { color: var(--accent); margin-inline-start: .4em; }
  .scene-intro { max-inline-size: 56rem; margin-block-start: 1rem; color: var(--muted); font-size: 1.0625rem; }
  .life-scene { min-inline-size: 0; }
  .life-scene-surface { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 18rem; column-gap: 5rem; align-items: start; }
  .scene-connections { position: absolute; z-index: 2; inset: 0; inline-size: 100%; block-size: 100%; max-inline-size: none; overflow: visible; pointer-events: none; }
  .scene-connections path { fill: none; stroke-width: 1; vector-effect: non-scaling-stroke; }
  #source-connection { stroke: color-mix(in oklch, var(--accent) 46%, var(--paper)); }
  #access-connection { stroke: var(--muted); stroke-dasharray: 4 8; opacity: .36; }
  .life-scene[data-access='granted'] #access-connection { stroke: var(--accent); stroke-dasharray: none; opacity: .85; stroke-width: 1.25; }
  .life-scene[data-access='revoked'] #access-connection { opacity: 0; }
  .owned-model { position: relative; min-inline-size: 0; }
  .owned-model-heading { position: relative; z-index: 3; padding-inline: .5rem; }
  .owned-model-heading > div { display: flex; align-items: baseline; flex-wrap: wrap; gap: .3rem 1rem; }
  .owned-model-heading h3 { font-size: 1.0625rem; font-weight: 500; letter-spacing: -.025em; }
  .owned-model-heading span { color: var(--muted); font-size: .875rem; }
  .model-jump { position: absolute; inline-size: 1px; block-size: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .model-jump:focus-visible { inset-inline-end: 0; inset-block-start: 0; inline-size: auto; block-size: auto; min-block-size: 2.75rem; padding: .5rem; margin: 0; overflow: visible; clip-path: none; background: var(--paper); color: var(--accent); }
  .personal-field { position: relative; min-block-size: 25.5rem; margin-block-start: .25rem; }
  .person-figure { position: relative; inline-size: 17rem; aspect-ratio: 2 / 3; margin-inline-start: 61%; transform: translateX(-50%); }
  .person-figure .body-image { position: relative; z-index: 1; display: block; inline-size: 100%; block-size: 100%; object-fit: contain; opacity: .94; filter: saturate(.8); }
  .body-region-controls { position: absolute; z-index: 4; inset: 0; }
  .life-scene .body-region { position: absolute; display: block; min-inline-size: 2.75rem; min-block-size: 2.75rem; inline-size: 2.75rem; block-size: 2.75rem; padding: 0; border: 0; background: transparent; color: var(--muted); transform: translate(-50%, -50%); }
  .life-scene .region-brain { inset-inline-start: 50%; inset-block-start: 7.2%; }
  .life-scene .region-heart { inset-inline-start: 61%; inset-block-start: 46%; z-index: 2; }
  .life-scene .region-lungs { inset-inline-start: 37%; inset-block-start: 44%; }
  .life-scene .region-movement { inset-inline-start: 66%; inset-block-start: 73%; }
  .life-scene .region-label { position: absolute; display: flex; align-items: center; inline-size: max-content; min-block-size: 2.75rem; padding-inline: .3rem; inset-block-start: 50%; transform: translateY(-50%); background: transparent; color: inherit; font-size: .875rem; font-weight: 500; line-height: 1.3; text-align: start; white-space: nowrap; }
  .life-scene .region-brain .region-label, .life-scene .region-lungs .region-label { inset-inline-end: calc(100% + 1rem); }
  .life-scene .region-heart .region-label, .life-scene .region-movement .region-label { inset-inline-start: calc(100% + 2.75rem); }
  .life-scene .body-region[aria-pressed='true'] { color: var(--accent); }
  .life-scene .body-region[aria-pressed='true'] .region-label { text-decoration: underline; text-underline-offset: .35em; text-decoration-thickness: 1px; }
  .life-scene .body-region:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: .25rem; }
  .source-sheet { position: absolute; z-index: 3; inset-inline-start: 2rem; inset-block-start: 8.5rem; inline-size: min(29%, 13rem); }
  .source-sheet h4 { font-family: var(--display); font-size: 1.1875rem; line-height: 1.4; font-weight: 450; letter-spacing: -.025em; text-wrap: pretty; }
  .source-kind { display: block; color: var(--muted); font-size: .875rem; line-height: 1.45; margin-block-start: .65rem; }
  .context-spine { position: relative; z-index: 3; max-inline-size: 30rem; margin-block-start: .5rem; padding-inline: .5rem; }
  .context-spine h4 { inline-size: fit-content; max-inline-size: 100%; font-family: var(--display); font-weight: 450; font-size: 1.35rem; line-height: 1.35; letter-spacing: -.03em; }
  .context-spine > p { color: var(--muted); font-size: 1rem; line-height: 1.55; margin-block-start: .5rem; }
  .context-notes { margin-block-start: .5rem; }
  .context-notes summary { display: flex; align-items: center; gap: .65rem; inline-size: fit-content; min-block-size: 2.75rem; color: var(--accent); cursor: pointer; font-size: .875rem; list-style: none; text-decoration: underline; text-decoration-color: var(--scene-rule); text-underline-offset: .35em; }
  .context-notes summary::-webkit-details-marker { display: none; }
  .context-notes summary svg { flex: 0 0 auto; }
  .context-notes[open] summary svg { transform: rotate(45deg); }
  .context-notes-body { padding-block: .5rem .75rem; color: var(--muted); font-size: .9375rem; line-height: 1.55; }
  .context-notes-body p { max-inline-size: 31rem; }
  .context-notes .example-correction { color: var(--accent); margin-block-start: .8rem; }
  .correction-control { min-block-size: 2.75rem; padding: .5rem 0; margin-block-start: .4rem; border: 0; background: transparent; color: var(--accent); font-size: .875rem; text-decoration: underline; text-underline-offset: .3em; text-decoration-color: var(--scene-rule); text-align: start; }
  .model-record-index { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin-block: .65rem .4rem; font-size: .875rem; color: var(--muted); }
  .model-record-index [data-model-record] { text-underline-offset: .3em; text-decoration-thickness: 1px; }
  .model-record-index [data-preview='true'] { text-decoration-line: underline; text-decoration-style: dotted; text-decoration-color: var(--accent); }
  .model-record-index [data-shared='true'] { color: var(--accent); text-decoration-line: underline; text-decoration-style: solid; }
  .context-notes .model-retained { font-size: .875rem; }
  .ai-scope-panel { position: relative; z-index: 3; min-inline-size: 0; padding-block-start: 6.75rem; }
  .ai-scope-heading h3 { color: var(--muted); font-family: var(--body); font-size: 1rem; font-weight: 400; letter-spacing: 0; margin-block-end: .7rem; }
  .agent-picker { display: grid; gap: .2rem; }
  .agent-picker button { position: relative; display: block; text-align: start; inline-size: fit-content; max-inline-size: 100%; min-block-size: 2.75rem; border: 0; padding: .4rem 0; background: transparent; color: var(--muted); }
  .agent-picker button > span { font-family: var(--display); font-size: 1.3rem; font-weight: 450; line-height: 1.4; letter-spacing: -.025em; }
  .agent-picker button[aria-pressed='true'] { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .35em; }
  .service-gate { padding-block-start: 1.75rem; }
  .service-gate h4 { font-family: var(--body); font-size: .9375rem; font-weight: 500; line-height: 1.5; }
  #hero-scope-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem .75rem; margin-block: .45rem .65rem; font-size: .9375rem; line-height: 1.5; color: var(--muted); }
  #hero-scope-list li + li { border-inline-start: 1px solid var(--line); padding-inline-start: .75rem; }
  .service-gate .scope-boundary { color: var(--muted); font-size: .875rem; line-height: 1.55; }
  .service-gate .review-permission { justify-content: space-between; inline-size: auto; gap: 1.5rem; min-block-size: 2.75rem; margin-block-start: .85rem; padding: .4rem 0; border: 0; border-block-end: 1px solid var(--accent); border-radius: 0; background: transparent; color: var(--accent); box-shadow: none; text-align: start; }
  .review-permission svg { flex: 0 0 auto; }
  .scene-footnote { margin-block-start: 2rem; padding-block-end: .5rem; color: var(--muted); font-size: .875rem; }
  .life-scene .body-image-fallback { position: absolute; inset: 0; z-index: 1; display: grid; place-content: center; padding: 1rem; color: var(--muted); text-align: center; font-size: .9375rem; line-height: 1.6; }
  .life-scene.image-unavailable .body-image-fallback { inset-block-start: 5rem; }
  .no-js .life-scene .body-region-controls, .no-js .agent-picker, .no-js .correction-control, .no-js .review-permission, .no-js .model-jump, .no-js .scene-connections { display: none; }
  .no-js .ai-scope-panel { padding-block-start: 5rem; }
  .access-dialog { position: fixed; inset: 0; margin: auto; inline-size: min(calc(100% - 2rem), 58rem); max-inline-size: none; max-block-size: calc(100dvh - 2rem); padding: 0; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--line); border-radius: .25rem; background: var(--paper); color: var(--ink); }
  .access-dialog::backdrop { background: oklch(18% .008 55 / .35); }
  .access-dialog-heading { position: sticky; z-index: 5; inset-block-start: 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.5rem; border-block-end: 1px solid var(--line); background: var(--paper); }
  .access-dialog-heading h2, .access-dialog-heading h3 { font-family: var(--display); font-size: 1.35rem; font-weight: 500; letter-spacing: -.03em; }
  .access-dialog-heading button { flex: 0 0 auto; min-block-size: 2.75rem; padding: .5rem .65rem; border: 1px solid var(--line); border-radius: .25rem; background: transparent; color: var(--ink); font-size: .9375rem; }
  .access-dialog-content { padding: .4rem 1.5rem 1rem; }
  .access-review-purpose { padding: 1rem 1.5rem .25rem; font-size: 1rem; line-height: 1.55; color: var(--muted); }
  .access-dialog-content .permission-lab { border: 0; }
  .access-dialog-content .lab-heading { padding-block: .75rem; gap: .5rem 1rem; font-size: .9375rem; }
  .access-dialog-content .lab-heading > span + span { font-size: .875rem; }
  .access-dialog-content .lab-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; }
  .access-dialog-content .permission-controls { padding-block: 1rem; }
  .access-dialog-content .permission-controls select { margin-block-end: 1rem; }
  .access-dialog-content .scope-option { padding-block: .7rem; }
  .access-dialog-content .scope-term { margin-block: 1rem; margin-inline: 0; }
  .access-dialog-content .permission-result { padding: 1rem 0 1rem 1.5rem; }
  .access-dialog-content .permission-result h3 { font-size: 1.4rem; }
  .access-dialog-content .lab-actions { margin-block-start: 1rem; }
  .access-dialog-content button, .access-dialog-content select { min-block-size: 2.75rem; }


  @media (max-width: 1120px) {
    .life-scene-surface { grid-template-columns: minmax(0, 1fr) 16rem; gap: 2.5rem; }
    .person-figure { inline-size: 14.5rem; margin-inline-start: 62%; }
    .personal-field { min-block-size: 21.75rem; }
    .source-sheet { inset-inline-start: .5rem; inset-block-start: 7rem; inline-size: 29%; }
    .source-sheet h4 { font-size: 1.0625rem; }
    .life-scene .region-heart .region-label, .life-scene .region-movement .region-label { inset-inline-start: calc(100% + 1.5rem); }
    .ai-scope-panel { padding-block-start: 5rem; }
    .agent-picker button > span { font-size: 1.1875rem; }
    .context-spine { max-inline-size: 26rem; }
  }
  @media (max-width: 900px) {
    .life-scene-surface { grid-template-columns: minmax(0, 1fr); gap: 2.75rem; }
    .owned-model-heading { padding-inline: 0; }
    .personal-field { min-block-size: 25.5rem; }
    .person-figure { inline-size: 17rem; margin-inline-start: 60%; }
    .source-sheet { inline-size: 28%; inset-inline-start: 0; inset-block-start: 8rem; }
    .source-sheet h4 { font-size: 1.1875rem; }
    .context-spine { max-inline-size: 30rem; padding: 0; }
    .ai-scope-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 2rem; padding-block-start: 0; }
    .ai-scope-heading, .agent-picker { grid-column: 1; }
    .service-gate { grid-column: 2; grid-row: 1 / span 2; padding-block-start: 0; }
    #source-connection { display: none; }
    .scene-footnote { margin-block-start: 1.5rem; }
  }
  @media (max-width: 600px) {
    .integrated-hero { padding-block-start: 1.75rem; }
    .scene-title { padding-block-end: 2.25rem; }
    .scene-title h1 { font-size: clamp(1.875rem, 1.5rem + 2vw, 2.375rem); line-height: 1.16; }
    .scene-title h1 span { display: block; margin: .25rem 0 0; }
    .scene-intro { font-size: 1rem; line-height: 1.55; margin-block-start: 1rem; max-inline-size: 28rem; }
    .owned-model-heading > div { gap: .3rem .7rem; }
    .personal-field { display: flex; flex-direction: column; min-block-size: 0; margin-block-start: 1.25rem; }
    .source-sheet { position: relative; order: -1; inset: auto; inline-size: 15rem; max-inline-size: 100%; margin-block-end: .75rem; }
    .source-sheet h4 { font-size: 1.125rem; }
    .source-kind { margin-block-start: .3rem; }
    .person-figure { inline-size: min(100%, 14rem); margin-inline: auto; margin-block-end: 4rem; transform: none; }
    .life-scene .region-label { font-size: .875rem; padding-inline: .15rem; }
    .life-scene .region-brain .region-label { inset-inline-end: calc(100% + 1rem); }
    .life-scene .region-lungs .region-label { inset-inline-end: calc(100% + 1.5rem); }
    .life-scene .region-heart .region-label { inset-inline-start: calc(100% + 2rem); }
    .life-scene .region-movement .region-label { inset-inline-start: auto; inset-inline-end: -1.5rem; inset-block-start: calc(100% + 5rem); transform: none; padding-block-start: .1rem; align-items: start; }
    .context-spine { margin-block-start: 0; }
    .context-spine h4 { font-size: 1.25rem; }
    .context-spine > p { font-size: 1rem; }
    .ai-scope-panel { display: block; padding-block-start: .25rem; }
    .ai-scope-heading h3 { margin-block-end: .65rem; }
    .agent-picker { gap: .3rem; }
    .agent-picker button > span { font-size: 1.25rem; }
    .service-gate { padding-block-start: 1.5rem; }
    .scene-footnote { margin-block-start: 1.75rem; }
    .no-js .ai-scope-panel { padding-block-start: 0; }
  }
  @media (max-width: 760px) {
    .access-dialog { inline-size: calc(100% - 1rem); max-block-size: calc(100dvh - 1rem); }
    .access-dialog-heading { padding: .75rem 1rem; align-items: start; }
    .access-dialog-heading h2, .access-dialog-heading h3 { font-size: 1.2rem; padding-block-start: .5rem; }
    .access-dialog-heading button { max-inline-size: 9rem; font-size: .875rem; }
    .access-dialog-content { padding: .2rem 1rem 1rem; }
    .access-review-purpose { padding-inline: 1rem; }
    .access-dialog-content .lab-heading { display: block; }
    .access-dialog-content .lab-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .access-dialog-content .permission-result { padding: 1.25rem 0 .5rem; border-inline-start: 0; border-block-start: 1px solid var(--line); }
    .access-dialog-content .lab-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: .75rem; }
  }
  @media (hover: hover) and (pointer: fine) {
    .life-scene .body-region, .agent-picker button { transition: color .18s; }
    .life-scene .body-region:hover, .agent-picker button:hover { color: var(--accent); }
    .context-notes summary:hover, .correction-control:hover { text-decoration-color: currentColor; }
    .review-permission:hover { color: var(--ink); border-color: var(--ink); }
    .review-permission svg { transition: transform .2s; }
    .review-permission:hover svg { transform: translateX(3px); }
  }
  @media (prefers-reduced-motion: reduce) {
    .life-scene *, .life-scene *::before, .life-scene *::after { transition: none; animation: none; }
  }
  @media (prefers-contrast: more) {
    .integrated-hero { --scene-rule: var(--ink); }
    .scene-connections path { opacity: 1; }
    .life-scene[data-access='revoked'] #access-connection { opacity: 0; }
    .life-scene .body-region[aria-pressed='true'] .region-label { text-decoration-thickness: 2px; }
  }
  @media (forced-colors: active) {
    .scene-connections path { stroke: CanvasText; }
    .life-scene[data-access='granted'] #access-connection { stroke: Highlight; }
    .life-scene .body-region[aria-pressed='true'], .agent-picker button[aria-pressed='true'] { color: Highlight; }
  }
}