/* Article library and web-edition additions, layered over whitepapers-v2.css */
html{scroll-behavior:smooth}
body.article-v2-page{--switcher-height:68px}
body.article-v2-page .article-v2-root :focus-visible{outline:3px solid color-mix(in srgb,var(--paper-accent,var(--green)) 45%,#fff);outline-offset:3px}
body.article-v2-page .article-library-root .button-primary{background:#0b4f3c}
body.article-v2-page .article-library-root .button-secondary:hover,
body.article-v2-page .article-v2-root .button-secondary:hover{border-color:var(--paper-accent,var(--green));color:var(--paper-accent,var(--green));transform:translateY(-1px)}
body.article-v2-page .article-v2-root .button{gap:7px;transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease}
body.article-v2-page .article-v2-root .button:hover{transform:translateY(-1px)}
body.article-v2-page .article-library-root .library-hero h1{max-width:900px;text-wrap:balance}
body.article-v2-page .article-library-root .hero-lede{max-width:820px}
body.article-v2-page .article-library-root .featured-paper h2,
body.article-v2-page .article-library-root .library-card h3{overflow-wrap:anywhere;text-wrap:balance}
body.article-v2-page .article-library-root .featured-art{overflow:hidden}
body.article-v2-page .article-library-root .featured-art img{width:100%;height:100%;max-height:430px;object-fit:cover;aspect-ratio:1.06/1}
body.article-v2-page .article-library-root .library-card-art{overflow:hidden;aspect-ratio:1.06/1;min-height:0;padding:0}
body.article-v2-page .article-library-root .library-card-art:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 65%,rgba(4,25,18,.12));pointer-events:none}
body.article-v2-page .article-library-root .library-card-art img{width:100%;height:100%;max-height:none;object-fit:cover;border-radius:0;clip-path:none;filter:none;transition:transform .35s ease}
body.article-v2-page .article-library-root .library-card:hover .library-card-art img{transform:scale(1.025)}
body.article-v2-page .article-library-root .library-card-art>span{z-index:1;box-shadow:0 6px 18px rgba(0,0,0,.17)}
body.article-v2-page .article-library-root .library-card-body{padding:24px}
body.article-v2-page .article-library-root .card-deck{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3;min-height:63px;color:var(--muted)!important;font-size:13px!important;font-weight:540!important;line-height:1.58}
body.article-v2-page .article-library-root .card-metrics{margin-top:4px}
body.article-v2-page .article-library-root .card-metrics span{display:inline-flex;align-items:center;min-height:33px}
body.article-v2-page .article-library-root .card-actions{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:auto;padding-top:19px}
body.article-v2-page .article-library-root .card-button{display:inline-flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;padding:0 13px;border:1px solid var(--line);border-radius:11px;font-size:11px;font-weight:900;letter-spacing:.025em;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
body.article-v2-page .article-library-root .card-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(19,42,34,.1)}
body.article-v2-page .article-library-root .card-button-primary{border-color:var(--card-accent);color:#fff;background:var(--card-accent)}
body.article-v2-page .article-library-root .card-button-secondary{color:var(--card-accent);background:#fff}
body.article-v2-page .article-library-root .empty-state:not([hidden]){display:block;margin-top:24px}
body.article-v2-page .article-library-root .library-card[hidden]{display:none}

body.article-v2-page .article-switcher{position:sticky;z-index:90;top:82px;border-bottom:1px solid rgba(220,228,223,.95);background:rgba(247,249,247,.96);backdrop-filter:blur(14px)}
body.article-v2-page .switcher-inner{width:min(1320px,100%);min-height:68px;margin:auto;padding:9px 28px;display:grid;grid-template-columns:auto minmax(240px,1fr) auto auto;gap:10px;align-items:center}
body.article-v2-page .switcher-nav{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:0 13px;border:1px solid var(--line);border-radius:12px;color:#28443a;background:#fff;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.045em;white-space:nowrap;transition:border-color .18s ease,color .18s ease,transform .18s ease}
body.article-v2-page .switcher-nav:hover{border-color:var(--paper-accent);color:var(--paper-accent);transform:translateY(-1px)}
body.article-v2-page .switcher-nav.is-disabled{opacity:.36;pointer-events:none}
body.article-v2-page .switcher-select-wrap{min-width:0;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;padding:0 13px;border:1px solid var(--line);border-radius:12px;background:#fff}
body.article-v2-page .switcher-select-wrap label{color:#69766f;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
body.article-v2-page .switcher-select-wrap select{width:100%;min-width:0;height:42px;border:0;outline:0;color:#253a32;background:transparent;font:inherit;font-size:12px;font-weight:760;text-overflow:ellipsis;cursor:pointer}
body.article-v2-page .switcher-position{color:#66736d;font-family:Georgia,serif;font-size:16px;white-space:nowrap}
body.article-v2-page .article-hero{padding-top:58px}
body.article-v2-page .article-hero h1{font-size:clamp(42px,5.3vw,72px);line-height:1.01;text-wrap:balance;overflow-wrap:anywhere}
body.article-v2-page .article-deck{text-wrap:balance}
body.article-v2-page .article-meta span:first-child{border-color:color-mix(in srgb,var(--paper-accent) 25%,var(--line));color:var(--paper-accent);background:var(--paper-soft)}
body.article-v2-page .hero-art{overflow:hidden;padding:0;aspect-ratio:1.06/1;min-height:0}
body.article-v2-page .hero-art img{width:100%;height:100%;max-height:none;object-fit:cover;border-radius:0;filter:none}
body.article-v2-page .hero-art figcaption{right:14px;bottom:14px;left:14px}
body.article-v2-page .article-sidebar{top:172px;max-height:calc(100vh - 194px)}
body.article-v2-page .article-toc a{display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 9px 9px 0;color:#5c6a64;font-size:12px;font-weight:760;line-height:1.35}
body.article-v2-page .article-toc a:hover,
body.article-v2-page .article-toc a.is-active{border-left-color:var(--paper-accent);color:var(--paper-accent);background:var(--paper-soft)}
body.article-v2-page .sidebar-source-link{display:flex;justify-content:space-between;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);color:var(--paper-accent);font-size:11px;font-weight:900}
body.article-v2-page .edition-card p:last-child{margin:0;color:var(--muted);font-size:12px;line-height:1.55}
body.article-v2-page .paper-section{scroll-margin-top:180px}
body.article-v2-page .article-content p{font-size:var(--reading-size);line-height:1.83}
body.article-v2-page .article-content p+p{margin-top:20px}
body.article-v2-page .key-points{margin:24px 0 28px;padding:0;list-style:none}
body.article-v2-page .key-points li{position:relative;margin:12px 0;padding:15px 17px 15px 47px;border:1px solid color-mix(in srgb,var(--paper-accent) 16%,var(--line));border-radius:14px;background:color-mix(in srgb,var(--paper-soft) 78%,#fff);font-size:calc(var(--reading-size) - 1px);line-height:1.62}
body.article-v2-page .key-points li:before{content:"✓";position:absolute;left:16px;top:15px;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;color:#fff;background:var(--paper-accent);font-size:12px;font-weight:900}
body.article-v2-page .article-source-note{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:34px;padding:20px;border:1px solid color-mix(in srgb,var(--paper-accent) 20%,var(--line));border-radius:17px;background:var(--paper-soft)}
body.article-v2-page .article-source-note strong{display:block;color:var(--paper-accent);font-size:14px}
body.article-v2-page .article-source-note span{display:block;margin-top:4px;color:#53615b;font-size:12px}
body.article-v2-page .article-source-note .button{flex:0 0 auto;min-height:43px;background:var(--paper-accent)}
body.article-v2-page .article-nav .nav-card{min-height:130px}
body.article-v2-page .author-note span time{color:inherit}
body.article-v2-page .site-footer{margin-top:0}

@media(max-width:1080px){
  body.article-v2-page .article-sidebar{top:auto;max-height:none}
  body.article-v2-page .article-switcher{top:82px}
  body.article-v2-page .article-library-root .card-deck{min-height:auto}
}
@media(max-width:760px){
  body.article-v2-page{--switcher-height:61px}
  body.article-v2-page .article-switcher{top:72px}
  body.article-v2-page .switcher-inner{min-height:61px;padding:8px 18px;grid-template-columns:auto minmax(0,1fr) auto}
  body.article-v2-page .switcher-select-wrap{grid-column:2;grid-row:1;padding:0 9px}
  body.article-v2-page .switcher-select-wrap label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  body.article-v2-page .switcher-position{display:none}
  body.article-v2-page .switcher-nav{min-width:44px;padding:0 11px}
  body.article-v2-page .switcher-nav span:not([aria-hidden]){display:none}
  body.article-v2-page .article-hero{padding-top:40px}
  body.article-v2-page .hero-art{max-width:620px;margin-inline:auto}
  body.article-v2-page .article-source-note{display:block}
  body.article-v2-page .article-source-note .button{width:100%;margin-top:16px}
  body.article-v2-page .article-library-root .card-actions{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  body.article-v2-page .switcher-inner{gap:6px;padding-inline:12px}
  body.article-v2-page .switcher-nav{min-width:40px;min-height:40px;padding:0 9px}
  body.article-v2-page .switcher-select-wrap select{height:38px;font-size:11px}
  body.article-v2-page .article-library-root .card-actions{grid-template-columns:1fr}
  body.article-v2-page .article-library-root .card-button{justify-content:center}
  body.article-v2-page .key-points li{padding-left:43px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body.article-v2-page .article-v2-root *,body.article-v2-page .article-v2-root *:before,body.article-v2-page .article-v2-root *:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}
@media print{
  body.article-v2-page .site-header,
  body.article-v2-page .article-switcher,
  body.article-v2-page .reading-progress,
  body.article-v2-page .article-sidebar,
  body.article-v2-page .site-footer,
  body.article-v2-page .article-actions,
  body.article-v2-page .article-nav{display:none!important}
  body.article-v2-page .article-layout{display:block!important}
  body.article-v2-page .paper-section{break-inside:avoid;border:0;box-shadow:none;padding:0}
}