/* Article reading page */
.article-page-head { padding: 42px 0 34px; border-bottom: 1px solid var(--color-border); background: #fff; }
.article-page-head .article-type { margin-bottom: 10px; }
.article-page-title { max-width: 1040px; margin: 0; font-family: var(--font-serif); font-size: clamp(2.25rem,4.7vw,4.45rem); line-height: 1.04; letter-spacing: -.04em; color: var(--color-primary-deep); }
.article-author-line { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px 16px; }
.article-author-line a { font-weight: 750; }
.orcid { font-size: .78rem; color: var(--color-success); border: 1px solid #cde8df; border-radius: 999px; padding: 2px 7px; }
.article-affiliation-list { margin: 12px 0 0; padding-left: 20px; color: var(--color-muted); font-size: .9rem; }
.article-bibliographic { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 20px; color: var(--color-muted); font-size: .86rem; }
.article-actionbar { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }

.article-reading-layout { width: min(calc(100% - 40px), 1460px); margin: 0 auto; display: grid; grid-template-columns: 210px minmax(0,var(--reading-width)) 270px; gap: 40px; align-items: start; padding: 52px 0 80px; justify-content: center; }
.article-toc, .article-sidebar { position: sticky; top: calc(var(--header-height) + 24px); }
.article-toc { border-right: 1px solid var(--color-border); padding-right: 20px; }
.article-toc h2, .article-sidebar h2 { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); margin: 0 0 12px; }
.article-toc a { display: block; padding: 6px 0; color: var(--color-text-soft); font-size: .88rem; }
.article-toc a:hover { color: var(--color-primary); }
.article-body { min-width: 0; font-family: var(--font-serif); font-size: 1.08rem; line-height: 1.83; color: #253047; }
.article-body section { scroll-margin-top: calc(var(--header-height) + 28px); }
.article-body h2 { margin: 48px 0 14px; font-family: var(--font-sans); font-size: 1.72rem; line-height: 1.24; color: var(--color-primary-deep); letter-spacing: -.02em; }
.article-body h3 { margin: 30px 0 10px; font-family: var(--font-sans); font-size: 1.18rem; color: var(--color-primary-deep); }
.article-body p { margin: 0 0 1.25em; }
.article-body .abstract { font-size: 1.12rem; }
.article-body .keywords { padding: 16px 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); font-family: var(--font-sans); font-size: .92rem; }
.article-body blockquote { margin: 28px 0; padding: 16px 22px; border-left: 4px solid var(--color-primary); background: var(--color-bg-soft); font-style: italic; color: var(--color-text-soft); }
.article-body ul, .article-body ol { padding-left: 1.5em; }
.article-body li { margin-bottom: .5em; }
.article-body figure { margin: 32px 0; }
.article-body figure img, .figure-placeholder { width: 100%; min-height: 300px; display: grid; place-items: center; background: linear-gradient(135deg,#edf4fa,#dbe8f4); border: 1px solid var(--color-border); color: var(--color-primary-dark); font-family: var(--font-sans); font-weight: 800; }
.article-body figcaption { margin-top: 9px; color: var(--color-muted); font-family: var(--font-sans); font-size: .82rem; line-height: 1.45; }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-family: var(--font-sans); font-size: .86rem; line-height: 1.45; }
.article-body th, .article-body td { border: 1px solid var(--color-border); padding: 10px; text-align: left; vertical-align: top; }
.article-body th { background: var(--color-bg-soft); color: var(--color-primary-deep); }
.article-body .references { font-size: .94rem; line-height: 1.62; }
.article-body .references li { margin-bottom: 12px; }
.article-body .footnote { font-size: .86rem; color: var(--color-muted); }
.article-sidebar .sidebar-panel { padding: 18px; }
.metric-row { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--color-border); font-size: .88rem; }
.metric-row:last-child { border-bottom: 0; }
.metric-row strong { color: var(--color-primary-deep); }

@media (max-width: 1200px) {
  .article-reading-layout { grid-template-columns: 180px minmax(0,760px) 240px; gap: 28px; }
}
@media (max-width: 992px) {
  .article-reading-layout { grid-template-columns: 170px minmax(0,1fr); width: min(calc(100% - 32px), 980px); }
  .article-sidebar { grid-column: 2; position: static; display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
  .article-sidebar .sidebar-panel + .sidebar-panel { margin-top: 0; }
}
@media (max-width: 768px) {
  .article-page-head { padding-top: 34px; }
  .article-reading-layout { grid-template-columns: 1fr; width: min(calc(100% - 28px), 760px); padding-top: 32px; }
  .article-toc { position: static; border-right: 0; border-bottom: 1px solid var(--color-border); padding: 0 0 18px; display: flex; gap: 12px 18px; flex-wrap: wrap; }
  .article-toc h2 { width: 100%; }
  .article-sidebar { grid-column: 1; grid-template-columns: 1fr; }
  .article-body { font-size: 1.03rem; line-height: 1.75; }
}