:root { color-scheme: light; --ink: #202b35; --muted: #52606b; --blue: #215e80; --rule: #d9dfe4; }
* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: Georgia, "Times New Roman", serif; line-height: 1.55; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #113b53; }
a:focus-visible { outline: 3px solid #bf7b24; outline-offset: 5px; }
.skip-link { position: absolute; left: 1rem; top: -6rem; background: #fff; padding: 1rem; z-index: 5; }
.skip-link:focus { top: 1rem; }
.site-nav, .paper-header, .document-layout, footer { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.site-nav { display: flex; justify-content: space-between; align-items: center; padding-block: 19px; border-bottom: 1px solid var(--rule); font-family: system-ui, sans-serif; font-size: .875rem; }
.site-nav a { font-weight: 650; text-decoration: none; color: var(--ink); }
.site-nav span { color: var(--muted); }
.paper-header { padding-block: 34px 28px; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-family: system-ui, sans-serif; font-size: .8125rem; font-weight: 650; letter-spacing: .09em; text-transform: uppercase; }
h1 { margin: 0 0 17px; max-width: 1050px; font-size: clamp(1.8rem, 3.1vw, 2.55rem); font-weight: 500; line-height: 1.18; letter-spacing: -.02em; }
.authors { margin: 0; font-size: 1.025rem; }
sup { font-size: .75em; line-height: 0; }
.contribution { margin: 6px 0 0; font-size: .875rem; color: var(--muted); }
.intro { margin: 17px 0 20px; max-width: 850px; font-size: 1.05rem; }
.document-actions { display: flex; gap: 14px 24px; align-items: center; flex-wrap: wrap; font-family: system-ui, sans-serif; font-size: .875rem; }
.primary-link { padding: 10px 16px; background: var(--blue); color: #fff; border: 1px solid var(--blue); border-radius: 3px; text-decoration: none; font-weight: 600; }
.primary-link:hover { background: #163e56; color: #fff; }
.edition { color: var(--muted); }
.document-layout { display: grid; grid-template-columns: 252px minmax(0, 1fr); gap: 34px; padding-top: 24px; border-top: 1px solid var(--rule); align-items: start; }
h2 { font-family: system-ui, sans-serif; font-size: .875rem; font-weight: 650; margin: 0 0 18px; }
.contents ol { padding: 0; margin: 0; list-style: none; }
.contents li { padding-bottom: 20px; }
.contents li a { display: block; font-size: 1rem; line-height: 1.4; }
.section-number { font-family: system-ui, sans-serif; font-size: .8125rem; font-weight: 600; margin-right: 5px; }
.contents p { margin: 7px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.prompt-download { padding-top: 20px; border-top: 1px solid var(--rule); }
.prompt-download h2 { margin-bottom: 10px; }
.prompt-download a { font-size: .9375rem; }
.file-type { font-family: system-ui, sans-serif; font-size: .8125rem; color: var(--muted); }
.reader { min-width: 0; }
.reader-header { display: flex; justify-content: space-between; gap: 15px; padding-bottom: 14px; align-items: baseline; }
.reader-header h2 { margin: 0; }
.reader-header a { font-family: system-ui, sans-serif; font-size: .875rem; }
.reader-note { margin: 0 0 18px; font-size: .875rem; color: var(--muted); }
.document-page { margin: 0 0 28px; scroll-margin-top: 20px; }
.document-page a { display: block; }
.document-page img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.document-page figcaption { margin-top: 8px; font-family: system-ui, sans-serif; font-size: .8125rem; color: var(--muted); }
footer { margin-top: 32px; padding-block: 21px 30px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; gap: 14px; font-family: system-ui, sans-serif; font-size: .8125rem; color: var(--muted); }
@media (max-width: 760px) {
  .site-nav, .paper-header, .document-layout, footer { width: calc(100% - 36px); }
  .site-nav span { display: none; }
  .paper-header { padding-top: 26px; }
  .desktop-break { display: none; }
  .document-layout { grid-template-columns: 1fr; gap: 26px; }
  .reader-header { flex-wrap: wrap; gap: 6px; }
  .contents li { padding-bottom: 17px; }
  footer { flex-direction: column; }
}
@media print {
  .site-nav, .document-actions, .reader, footer { display: none; }
  .document-layout { display: block; }
}
