@layer document {
  /* Site-wide open content layout.
   Cards are reserved for controls and genuinely self-contained interactive UI. */
  :root {
    --open-content-line: #d7e0e9;
    --open-content-strong: #17324f;
  }

  body:has(main) {
    background: #fff;
  }

  /* Standalone Google Sites examples do not use a <main> wrapper. */
  .wrap > .box,
  .wrap > .grid > .card {
    margin-left: 0;
    margin-right: 0;
    padding: 20px 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--open-content-line);
    border-radius: 0;
    box-shadow: none;
  }
  .wrap > .grid {
    gap: 0;
    border-top: 2px solid var(--open-content-strong);
  }

  body
    main
    :is(
      .card,
      .article-card,
      .pdf-card,
      .related-link-card,
      .board-guide-card,
      .documents-card,
      .cat-doc-item,
      .archive-school-card,
      .ref-item,
      .resource-card,
      .case-card,
      .case-block,
      .case-item,
      .risk-item,
      .scope-item,
      .check-item,
      .pm-compare-item,
      .audience-gateway-card,
      .action-pack-card,
      .feature-duo-card,
      .proper-card,
      .fc-card,
      .doc-item,
      .thesis-card,
      .gl-problem-card,
      .gl-principle-card,
      .gl-pack-card,
      .edu-voices-card,
      .transition-item,
      .flow-item,
      .law-explain-item,
      .meta-card,
      .body-card,
      .archive-section,
      .archive-box,
      .archive-status-card,
      .rc6-item,
      .tl-card,
      .act-card,
      .rel-card,
      .officer-visual-card,
      .ce-col,
      .mini,
      .stat
    ) {
    margin-left: 0;
    margin-right: 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--open-content-line);
    border-radius: 0;
    box-shadow: none;
    transform: none;
  }

  body
    main
    :is(
      .card,
      .article-card,
      .pdf-card,
      .related-link-card,
      .board-guide-card,
      .documents-card,
      .cat-doc-item,
      .archive-school-card,
      .ref-item,
      .resource-card,
      .case-card,
      .case-block,
      .case-item,
      .risk-item,
      .scope-item,
      .check-item,
      .pm-compare-item,
      .doc-item,
      .meta-card,
      .body-card,
      .archive-box,
      .archive-status-card,
      .rc6-item,
      .tl-card,
      .act-card,
      .rel-card,
      .ce-col,
      .mini,
      .stat
    ) {
    padding: 22px 0;
  }

  body
    main
    :is(
      .cards,
      .card-grid,
      .article-grid,
      .documents-grid,
      .resource-grid,
      .case-grid,
      .audience-gateway-grid,
      .action-pack-grid,
      .feature-duo-grid,
      .proper-grid,
      .thesis-grid,
      .gl-problem-grid,
      .gl-principle-grid,
      .gl-pack-grid,
      .transition-list,
      .flow-list,
      .law-explain,
      .meta-grid,
      .archive-grid
    ) {
    gap: 0;
    border-top: 2px solid var(--open-content-strong);
  }

  /* Notes still need emphasis, but not a floating container. */
  body main :is(.note, .source-note, .thesis-callout) {
    margin: 24px 0;
    padding: 16px 0 16px 20px;
    background: transparent;
    border: 0;
    border-left: 4px solid #b68a1f;
    border-radius: 0;
    box-shadow: none;
    transform: none;
  }

  body
    main
    :is(
      .editorial-panel,
      .editorial-section,
      .editorial-brief,
      .conclusion-box,
      .key-takeaway,
      .summary-first,
      .notice-box,
      .info-box
    ) {
    border-radius: 0;
    box-shadow: none;
  }

  body
    main
    :is(
      .card,
      .article-card,
      .pdf-card,
      .related-link-card,
      .board-guide-card,
      .documents-card,
      .cat-doc-item,
      .archive-school-card,
      .case-card,
      .doc-item,
      .resource-card,
      .meta-card,
      .body-card,
      .archive-box,
      .archive-status-card,
      .rc6-item,
      .tl-card,
      .act-card,
      .rel-card
    ):hover {
    background: transparent;
    box-shadow: none;
    transform: none;
  }

  /* School archive heroes remain strong headers, but open to the viewport edges. */
  .archive-school-page > .archive-hero {
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding-left: max(24px, calc((100vw - 1080px) / 2));
    padding-right: max(24px, calc((100vw - 1080px) / 2));
    border-radius: 0;
    box-shadow: none;
  }

  /* Interactive and data-entry surfaces intentionally keep their boundaries. */
  body
    main
    :is(
      form,
      .form-sheet,
      .audit-panel,
      .audit-card,
      .visual-panel,
      .action-box,
      .template,
      .map-container,
      #board-map,
      details,
      dialog,
      [role="dialog"]
    ) {
    isolation: isolate;
  }

  @media (max-width: 760px) {
    body main :is(.body-card, .archive-section) {
      padding-left: 0;
      padding-right: 0;
    }
  }

  /* Page-specific content patterns found by the complete sitemap audit. */
  body
    main
    :is(
      .step,
      .parent-openchat-link,
      .faq-item,
      .contact-method,
      .edu-table-wrap,
      .thesis-lead,
      .thesis-quote,
      .editorial-matrix,
      .officer-principle-box,
      .officer-source-link,
      .pay-method,
      .download-card,
      .support-panel,
      .key-card,
      .stat-card,
      .parent-openchat-panel,
      .parent-openchat-map-wrap,
      .parent-openchat-note,
      .statute-quote,
      .document-figure,
      .officer-source-pdf-inner,
      .fw-thesis-box,
      .edu-caution
    ) {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    transform: none;
  }

  body
    main
    :is(
      .parent-openchat-link,
      .faq-item,
      .contact-method,
      .officer-source-link,
      .pay-method,
      .download-card,
      .support-panel,
      .key-card,
      .stat-card
    ) {
    border: 0;
    border-bottom: 1px solid var(--open-content-line);
  }

  .doc-list > .doc {
    margin: 0;
    padding: 20px 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--open-content-line);
    border-radius: 0;
    box-shadow: none;
  }

  body
    main
    :is(.check-list, .ed-resource-list, .checklist-grid-20)
    > :where(li, div) {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
  }

  body main .links > a {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
  }

  body main :is(.box, .sources, .admin-box, .sha, .case-placeholder) {
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--open-content-line);
    border-radius: 0;
    box-shadow: none;
  }

  body:is(
      .cases-editorial,
      .guide-pta-editorial,
      .guideline-editorial,
      .personnel-editorial
    )
    main
    div:not([class]) {
    border-radius: 0;
    box-shadow: none;
  }

  body.cases-editorial main div:not([class]) {
    background: transparent;
  }

  body main figure,
  body.thesis-page main li,
  body.guide-pta-editorial main li,
  body.reality-editorial main div:not([class]) {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
  }
}