/* Public publications: original covers, a compact index and PDF content cards. */
.ab-publication-page { background: var(--ab-surface); color: var(--ab-ink); }
.ab-publication { --site-font-size-scale: 1; padding-block: 152px 64px; font-family: var(--ab-font); }
.ab-publication :is(h1,h2,h3,p,figure) { margin: 0; }
.ab-publication :is(h1,h2,h3) { overflow-wrap: anywhere; }
.ab-publication-hero__copy { min-width: 0; margin-bottom: 28px; animation: publication-enter 400ms var(--ab-ease) both; }
.ab-publication .ab-publication-eyebrow { margin-bottom: 14px; color: var(--ab-muted); font-size: .75rem; font-weight: 500; line-height: 1.5; }
.ab-publication .ab-publication-title { max-width: 22ch; color: var(--ab-brand); font-size: clamp(1.875rem,2.6vw,2.125rem); font-weight: 500; line-height: 1.15; letter-spacing: -.035em; text-wrap: balance; }
.ab-publication .ab-publication-description { max-width: 54ch; margin-top: 16px; color: var(--ab-muted); font-size: .875rem; line-height: 1.8; }
.ab-publication .ab-publication-meta { margin-top: 20px; color: var(--ab-muted); font-size: .75rem; line-height: 1.7; }
.ab-publication-download { gap: 24px; margin-top: 16px; }
.ab-publication-download svg { flex: none; width: 16px; height: 16px; transition: transform var(--ab-motion) var(--ab-ease); }
.ab-publication-download:hover svg { transform: translateX(3px); }
.ab-publication .ab-publication-cover { min-width: 0; overflow: hidden; border: 1px solid #ebe4dc; border-radius: 14px; background: var(--ab-surface-subtle); box-shadow: 0 10px 24px rgb(18 22 31 / 6%); }
.ab-publication-cover img { display: block; width: 100%; height: auto; }
.ab-publication-body { display: grid; grid-template-columns: 320px minmax(0,1fr); align-items: start; gap: clamp(32px,4vw,64px); }
.ab-publication-body:not(:has(.ab-publication-index)) { display: block; }
.ab-publication-sidebar { min-width: 0; position: sticky; top: 120px; max-height: calc(100svh - 144px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--ab-border) transparent; }
.ab-publication-index summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; padding-bottom: 12px; color: var(--ab-brand); font-size: .8125rem; font-weight: 500; list-style: none; cursor: pointer; }
.ab-publication-index summary::-webkit-details-marker { display: none; }
.ab-publication-index summary::after { content: ''; flex: none; width: 6px; height: 6px; margin-right: 4px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); transition: transform var(--ab-motion); }
.ab-publication-index[open] summary::after { transform: rotate(225deg); }
.ab-publication-index nav { display: grid; align-content: start; gap: 0; padding-right: 8px; }
.ab-publication-index__link { display: flex; align-items: baseline; gap: 12px; min-height: 44px; border-bottom: 1px solid var(--ab-border); padding: 12px 0; color: var(--ab-muted); font-size: .75rem; line-height: 1.55; text-decoration: none; overflow-wrap: anywhere; transition: color var(--ab-motion), background-color var(--ab-motion); }
.ab-publication-index__link > span { min-width: 0; }
.ab-publication-index__number { flex: none; color: var(--ab-muted); font-size: .625rem; font-variant-numeric: tabular-nums; }
.ab-publication-index__link:is(:hover,[aria-current]) { color: var(--ab-brand); }
.ab-publication-index__link[aria-current] { font-weight: 500; }
.ab-publication-index__meta { flex: none; margin-left: auto; color: var(--ab-muted); font-size: .625rem; }
.ab-publication :is(a,summary):focus-visible { outline: 2px solid var(--ab-brand); outline-offset: 4px; }
.ab-publication-content { display: grid; gap: 20px; min-width: 0; }
.ab-publication-section { min-width: 0; border: 1px solid #ebe4dc; border-radius: 14px; padding: 26px; background: #fff; box-shadow: 0 10px 24px rgb(18 22 31 / 6%); scroll-margin-top: 120px; }
.ab-publication .ab-publication-section h2 { max-width: 32ch; margin-bottom: 16px; color: #12161f; font-size: clamp(1.375rem,2vw,1.75rem); font-weight: 600; line-height: 1.3; letter-spacing: -.025em; }
.ab-publication .ab-publication-section-label { display: inline-flex; align-items: center; min-height: 23px; margin-bottom: 12px; border-radius: 999px; padding: 3px 10px; background: #fff3eb; color: #c94d12; font-size: .5625rem; font-weight: 600; line-height: 1.5; }
.ab-publication .ab-publication-section-lead { max-width: 72ch; margin-bottom: 20px; border-left: 3px solid #f06a15; padding-left: 12px; color: var(--ab-muted); font-size: .875rem; font-weight: 500; line-height: 1.65; }
.ab-publication-prose, .ab-publication .guide-editor-content, .ab-publication .guide-section-content { max-width: 78ch; min-width: 0; padding: 0; color: var(--ab-ink); font-family: var(--ab-font); font-size: .9375rem; line-height: 1.85; overflow-wrap: anywhere; }
.ab-publication-prose > :first-child, .ab-publication .guide-editor-content > :first-child { margin-top: 0; }
.ab-publication-prose :is(p,ul,ol,blockquote), .ab-publication .guide-editor-content :is(p,ul,ol,blockquote) { margin: 0 0 16px; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) :is(p,li) { color: inherit; font-size: inherit; line-height: inherit; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) :is(h3,h4) { margin: 24px 0 12px; color: var(--ab-brand); font-family: var(--ab-font); font-size: 1.125rem; font-weight: 500; line-height: 1.5; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) :is(strong,b) { color: var(--ab-ink); font-family: var(--ab-font); font-weight: 600; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) a { color: var(--ab-brand); font-weight: 500; text-decoration: underline; text-underline-offset: 4px; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) ul { padding-left: 20px; list-style: disc; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) ol { padding-left: 20px; list-style: decimal; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) li + li { margin-top: 8px; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) blockquote { border-left: 2px solid var(--ab-brand); padding: 8px 0 8px 20px; background: transparent; color: var(--ab-muted); }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) table { display: block; max-width: 100%; overflow-x: auto; margin: 20px 0; border-collapse: collapse; font-size: .8125rem; line-height: 1.7; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) :is(th,td) { min-width: 100px; border: 1px solid var(--ab-border); padding: 10px 12px; text-align: left; vertical-align: top; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) th { background: var(--ab-brand-soft); color: var(--ab-brand); font-family: var(--ab-font); font-weight: 500; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) img { display: block; max-width: 100%; height: auto; border-radius: 6px; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) pre { max-width: 100%; overflow-x: auto; margin-block: 20px; padding: 16px; border: 1px solid var(--ab-border); border-radius: 4px; background: var(--ab-surface-subtle); font-size: .8125rem; line-height: 1.7; }
.ab-publication :is(.ab-publication-prose,.guide-editor-content) :is(iframe,video) { max-width: 100%; }
.ab-publication .guide-section-content { margin: 0; }
.ab-publication .guide-section-content p + p { margin-top: 16px; }
.ab-publication :is(.guide-section-content--checklist,.guide-section-content--steps) { display: grid; gap: 12px; padding-left: 20px; list-style: disc; }
.ab-publication .guide-section-content--steps { list-style: decimal; }
.ab-publication .guide-section-content li { padding-left: 4px; color: inherit; font-size: inherit; line-height: inherit; }
.ab-publication .guide-section-content li::marker { color: var(--ab-brand); }
.ab-publication .guide-section-content--checklist { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 24px; max-width: none; padding: 0; list-style: none; }
.ab-publication .guide-section-content--checklist li { position: relative; border-bottom: 1px solid #eee9e3; padding: 12px 0 12px 14px; font-size: .8125rem; line-height: 1.6; }
.ab-publication .guide-section-content--checklist li::before { content: '•'; position: absolute; top: 12px; left: 0; color: #c94d12; }
.ab-publication-preview, .ab-publication-preview .pdf-document-panel, .guide-document__pages { display: grid; gap: 24px; }
.ab-publication-preview .pdf-document-panel[hidden] { display: none; }
.ab-publication :is(.pdf-page-image,.guide-document__pages img) { display: block; width: 100%; height: auto; border: 1px solid var(--ab-border); border-radius: 4px; }
.ab-publication-preview .pdf-page-image { border-radius: 14px; box-shadow: 0 18px 54px rgb(18 22 31 / 12%); }
.ab-publication .glossary-section > h2 { padding-bottom: 16px; border-bottom: 1px solid var(--ab-border); }
.glossary-terms { display: grid; gap: 0; }
.glossary-term { padding-block: 20px; border-top: 1px solid var(--ab-border); }
.glossary-term:first-child { border-top: 0; padding-top: 0; }
.ab-publication .glossary-term h3 { margin-bottom: 8px; color: var(--ab-brand); font-size: 1.0625rem; font-weight: 500; line-height: 1.5; }
.ab-publication .glossary-term p { max-width: 78ch; color: var(--ab-ink); font-size: .9375rem; line-height: 1.85; white-space: pre-line; overflow-wrap: anywhere; }
.glossary-page .ab-publication-index nav { grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; padding: 0; }
.glossary-page .ab-publication-index__link { justify-content: center; align-items: center; padding: 8px; border: 1px solid var(--ab-border); border-radius: 4px; font-size: .8125rem; }
.glossary-page .ab-publication-index__link[aria-current] { border-color: var(--ab-brand); background: var(--ab-brand-soft); }
.ab-publication-empty { padding-block: 24px; color: var(--ab-muted); font-size: .875rem; line-height: 1.8; }
@keyframes publication-enter { from { opacity: .65; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (max-width:960px) {
  .ab-publication-body { grid-template-columns: minmax(0,1fr); gap: 24px; }
  .ab-publication-sidebar { position: static; max-height: none; overflow: visible; }
  .ab-publication-index summary { min-height: 52px; padding-bottom: 0; }
  .ab-publication-index[open] summary { margin-bottom: 8px; }
  .ab-publication-index nav { max-height: 340px; overflow-y: auto; overscroll-behavior: contain; }
  .ab-publication-section { scroll-margin-top: 112px; }
  .glossary-page .ab-publication-index nav { grid-template-columns: repeat(auto-fill,minmax(44px,1fr)); }
}
@media (max-width:600px) {
  .ab-publication { padding-block: 112px 40px; }
  .ab-publication .ab-publication-title { font-size: clamp(1.875rem,8vw,2.125rem); }
  .ab-publication .ab-publication-description { margin-top: 12px; font-size: .8125rem; }
  .ab-publication .ab-publication-meta { margin-top: 16px; }
  .ab-publication-section { border-radius: 14px; padding: 22px; }
  .ab-publication .ab-publication-section h2 { font-size: 1.375rem; }
  .ab-publication .ab-publication-section-lead { font-size: .8125rem; margin-bottom: 16px; }
  .ab-publication-prose, .ab-publication .guide-editor-content, .ab-publication .guide-section-content, .ab-publication .glossary-term p { font-size: .875rem; line-height: 1.85; }
  .ab-publication .guide-section-content--checklist { grid-template-columns: minmax(0,1fr); }
}
@media (prefers-reduced-motion:reduce) { .ab-publication-hero__copy { animation: none; } .ab-publication * { scroll-behavior: auto !important; transition: none !important; } }
@media print { .ab-publication { padding-top: 24px; } .ab-publication-sidebar { position: static; max-height: none; overflow: visible; } .ab-publication-index, .ab-publication-download { display: none; } .ab-publication-body { display: block; } .ab-publication-section { break-inside: avoid; } }