@layer components{
.library-filter-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0 14px;max-width:760px}.library-filter-row .library-count{margin:0}.library-topics{position:relative}.library-topics>summary{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:4px;font-size:14px;font-weight:600;background:#fff}.library-topics>summary::after{content:"⌄"}.library-topics[open]>summary::after{content:"⌃"}.article-toc[open]{flex-basis:100%;order:3}.reading-status:empty{display:none}

.library-search{max-width:760px;padding-top:0}.library-search label{display:block;font-size:15px;font-weight:600;margin-bottom:8px}.library-search-row{display:flex;gap:8px}.library-search input{min-width:0;width:100%;min-height:46px;border:1px solid var(--line-strong);border-radius:5px;padding:10px 14px;background:#fff;font-size:16px}.library-search-hint{margin-top:7px;font-size:13px;color:var(--muted)}.library-filters{position:absolute;right:0;top:calc(100% + 6px);z-index:15;display:grid;min-width:210px;padding:6px;margin:0;border:1px solid var(--line-strong);border-radius:4px;background:#fff;box-shadow:0 6px 20px #10213a12}.library-filters button{min-height:44px;padding:9px 12px;border:0;border-radius:2px;background:#fff;font-size:14px;text-align:left}.library-filters button[aria-pressed="true"]{color:#fff;background:var(--blue-dark);border-color:var(--blue-dark)}.library-filters button:hover{border-color:var(--blue)}.library-count{margin:0 0 12px;font-size:14px;color:var(--muted)}.library-list{max-width:1100px;border-top:1px solid var(--line-strong)}.library-entry{display:grid;grid-template-columns:150px minmax(0,1fr);gap:28px;padding:22px 0;border-bottom:1px solid var(--line)}.library-entry-meta{font-size:12px;color:var(--muted)}.library-entry-meta time{display:block;margin-top:8px}.library-entry h2{max-width:820px;font:600 clamp(19px,1.8vw,23px)/1.32 var(--serif);letter-spacing:-.02em}.library-entry h2 a{text-decoration:none}.library-entry h2 a:hover{text-decoration:underline;color:var(--blue)}.library-entry p{max-width:68ch;margin-top:8px;color:var(--muted);font-size:14px;line-height:1.55}.library-entry-links{display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:14px;align-items:center}.library-entry-links a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);font-size:15px;font-weight:600;text-decoration:none}.library-entry-links a:hover{text-decoration:underline}.library-empty{padding:30px 0;max-width:760px}.library-empty h2{font-size:23px}.library-empty p{margin-top:10px;color:var(--muted)}.library-empty button{margin-top:16px}
.reading-main{padding:26px 0 10px}.reading-main>.vm-breadcrumbs{margin-bottom:18px}.reading-article{width:100%;min-width:0}.article-masthead{max-width:860px;padding-bottom:18px}.article-masthead .eyebrow{font-size:12px;font-weight:600;color:var(--blue);margin-bottom:14px}.article-masthead h1{font:600 clamp(24px,2.8vw,36px)/1.25 var(--serif);letter-spacing:-.025em;text-wrap:balance}.article-masthead .dek{max-width:74ch;margin-top:14px;color:var(--muted);font-size:16px;line-height:1.55}.article-meta{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:12px;color:var(--muted);font-size:12px}.article-controls{display:flex;flex-wrap:wrap;align-items:start;gap:8px 16px;padding:10px 0;margin-bottom:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.article-layout-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.article-layout-controls>span{font-size:14px;color:var(--muted);margin-right:4px}.article-save{margin-left:auto}.reading-status{flex-basis:100%;font-size:14px;color:var(--muted)}.article-toc{flex:0 0 170px}.article-toc>summary{display:flex;align-items:center;gap:8px;min-height:44px;font-size:14px;font-weight:600;color:var(--blue)}.article-toc>summary::after{content:"+";font-size:20px}.article-toc[open]>summary::after{content:"−"}.article-toc ol{margin:10px 0 6px;padding-left:24px;columns:2;column-gap:36px}.article-toc li{break-inside:avoid;margin-bottom:10px;padding-left:3px;font-size:14px}.article-toc a{color:var(--blue)}
.article-intro,.article-section,.article-related{max-width:68ch;margin-inline:auto}.article-section{margin-bottom:30px}.article-section h2{font:600 clamp(21px,2vw,25px)/1.35 var(--serif);letter-spacing:-.015em;margin:26px 0 14px;text-wrap:pretty}.article-section h3{font-size:19px;line-height:1.4;margin:22px 0 10px}.article-section-text,.article-intro{font-size:17px;line-height:1.65;color:#243650}.article-section-text p,.article-intro p{margin-bottom:14px;orphans:3;widows:3}.article-section-text ul,.article-section-text ol{padding-left:24px;margin:16px 0 22px}.article-section-text li{margin:0 0 9px;orphans:3;widows:3}.article-section-text a,.article-intro a{color:var(--blue);overflow-wrap:anywhere}.article-section-text blockquote{margin:22px 0;padding-left:20px;border-left:3px solid var(--line-strong)}.article-section-text table{width:100%;border-collapse:collapse;font:15px/1.6 var(--sans)}.article-section-text th,.article-section-text td{padding:10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.article-section-text table caption{text-align:left;font-weight:600;margin-bottom:10px}.article-section[data-references] .article-section-text{font-size:15px;line-height:1.75}.article-related{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}.article-related a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue)}
.saved-toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:24px}.saved-empty{max-width:650px;padding:24px 0}.saved-empty h2{font:600 27px/1.3 var(--serif)}.saved-empty p{margin:12px 0 18px;color:var(--muted)}
[data-page="about"] .article-shell{display:grid;grid-template-columns:minmax(0,800px) minmax(200px,1fr);gap:64px;align-items:start}.prose{max-width:68ch;font-size:17px;line-height:1.65}.prose h2{font:600 28px/1.35 var(--serif);margin:34px 0 16px}.prose h2:first-child{margin-top:0}.prose p{margin:0 0 20px}.prose ul{padding-left:24px;margin:0 0 24px}.prose a{color:var(--blue)}.aside{color:var(--muted);font-size:16px}.aside h3{font-size:19px;color:var(--ink);margin-bottom:12px}.aside p{margin-bottom:20px}
[data-page="tool"] .page-hero,[data-page="about"] .page-hero{padding:42px 0 30px}[data-page="tool"] .page-hero h1,[data-page="about"] .page-hero h1{font:600 clamp(30px,4vw,46px)/1.22 var(--serif);max-width:930px;letter-spacing:-.02em}.page-hero .lead{max-width:780px;margin-top:18px;color:var(--muted);font-size:18px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:20px}.breadcrumbs a{text-decoration:none}.page-hero .eyebrow{font-size:14px;color:var(--blue);margin:0 0 14px}.section{padding:24px 0 20px}.btn{display:inline-flex;min-height:44px;align-items:center;padding:10px 18px;border:1px solid var(--line-strong);border-radius:5px;text-decoration:none;font-size:15px;font-weight:600}.btn-primary{background:var(--blue-dark);color:#fff;border-color:var(--blue-dark)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.home-reading{padding:32px 0 12px}.home-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:20px}.home-section-head h2{font:600 24px/1.3 var(--serif);letter-spacing:-.02em}.home-section-head a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;color:var(--blue);text-decoration:none}.home-section-head a:hover{text-decoration:underline}.home-author{display:grid;grid-template-columns:190px minmax(0,800px);gap:38px;padding:38px 0 10px}.home-author h2{font:600 24px/1.3 var(--serif)}.home-author p{color:var(--muted);font-size:16px;line-height:1.6}.home-author a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);margin-top:10px}.home-byline{display:inline-flex;align-items:center;min-height:44px;margin-top:18px;color:var(--blue);font-size:15px;text-decoration:none}.home-byline:hover{text-decoration:underline}
.entry-reading-time{display:block;margin-top:6px}.home-editorial-grid .entry-reading-time{margin-top:0}.entry-rubric{color:var(--blue);font-weight:600}.library-entry .entry-byline{font-size:12px;line-height:1.5;margin-top:10px;color:var(--muted)}.entry-byline span{padding:0 5px}.library-entry-copy{min-width:0}
.home-editorial-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.home-editorial-grid .library-entry{display:block;border-bottom:0;padding:20px 0 18px}.home-editorial-grid .library-entry-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 16px;margin-bottom:10px}.home-editorial-grid .library-entry-meta time{margin:0}.home-editorial-grid .library-entry h2{font-size:22px}.home-editorial-grid .entry-dek{max-width:58ch}.home-reading .home-section-head{margin-bottom:12px}
[data-page="materials"] .vm-page-intro,[data-page="saved"] .vm-page-intro{padding-top:28px;padding-bottom:22px}[data-page="materials"] .vm-page-intro h1,[data-page="saved"] .vm-page-intro h1{font-size:36px}[data-page="materials"] .vm-page-intro p,[data-page="saved"] .vm-page-intro p{font-size:16px;max-width:65ch}
.article-section-text .article-answer{padding:12px 16px;border-left:2px solid var(--blue);background:var(--soft);margin:0 0 18px}

}
@layer responsive{
@media(min-width:1200px){.reading-article[data-reading-layout="columns"] .article-section[data-column-eligible]{max-width:1180px}.reading-article[data-reading-layout="columns"] .article-section[data-column-eligible]>.article-section-text{columns:2;column-gap:64px;column-rule:1px solid var(--line)}.reading-article[data-reading-layout="columns"] .article-section[data-column-eligible]>h2{max-width:950px}}
@media(max-width:1199px){.article-layout-controls{display:none}}
@media(max-width:820px){.library-entry{grid-template-columns:1fr;gap:8px;padding:20px 0}.library-entry-meta{display:flex;flex-wrap:wrap;gap:8px 16px}.library-entry-meta time,.library-entry-meta .entry-reading-time{margin-top:0}.library-entry h2{font-size:19px}.article-masthead .dek{font-size:15px;line-height:1.55;margin-top:12px}.article-masthead h1{font-size:24px}.article-masthead{padding-bottom:16px}.article-meta{font-size:12px;margin-top:12px;gap:4px 8px}.article-meta>span:nth-child(2){display:none}.article-toc ol{columns:1}.article-save{margin-left:0}.article-controls{gap:6px 14px;padding:8px 0;margin-bottom:18px}.article-toc{flex:1;min-width:120px}.article-toc>summary{justify-content:flex-end}.article-toc[open]>summary{justify-content:flex-start}.reading-main{padding-top:18px}.reading-main>.vm-breadcrumbs{margin-bottom:14px}.article-section-text,.article-intro{font-size:16px;line-height:1.65}.article-section{margin-bottom:26px}.article-section h2{font-size:21px}.article-related{flex-direction:column;gap:8px}.home-author,[data-page="about"] .article-shell{grid-template-columns:1fr;gap:18px}.home-section-head{align-items:baseline;gap:12px}.home-section-head h2{font-size:21px}.home-section-head a{white-space:nowrap;font-size:13px}.home-reading{padding-top:30px}.saved-toolbar{gap:8px}.library-search-row{gap:6px}}
@media(max-width:360px){.home-section-head{flex-wrap:wrap;gap:0}.library-count{font-size:13px}.library-entry h2{font-size:18px}.article-masthead h1{font-size:23px}.article-section h2{font-size:20px}.library-search input{font-size:16px;padding:10px}.article-section-text,.article-intro{font-size:16px}.library-filters{gap:6px}.library-filters button{padding:8px 11px}}
@media(max-width:820px){.home-editorial-grid{grid-template-columns:1fr;gap:0}.home-editorial-grid .library-entry{padding:18px 0;border-bottom:1px solid var(--line)}.home-editorial-grid .library-entry h2{font-size:19px}.home-editorial-grid .library-entry-meta{margin-bottom:8px}.home-editorial-grid .entry-dek{font-size:14px}.home-author p,.prose{font-size:16px}[data-page="materials"] .vm-page-intro h1,[data-page="saved"] .vm-page-intro h1{font-size:25px}[data-page="materials"] .vm-page-intro p,[data-page="saved"] .vm-page-intro p{font-size:15px}}
@media(max-width:360px){.home-editorial-grid .library-entry h2{font-size:18px}[data-page="materials"] .vm-page-intro h1,[data-page="saved"] .vm-page-intro h1{font-size:24px}}
@media print{.vm-header,.vm-footer,.skip,.article-controls,.article-related,.vm-breadcrumbs{display:none}.wrap{width:100%}.reading-article .article-section{max-width:100%}.article-section-text{font-size:11pt;columns:1}.article-masthead h1{font-size:26pt}.article-section h2{font-size:17pt}.article-section{break-inside:auto}a{color:inherit}}
}

/* Editorial reading experience (review candidate). One continuous text measure, with a sticky
   contents rail in journal mode; never balance long vertical newspaper columns. */
@layer responsive {
[data-page="article"] .reading-main{padding-top:30px;padding-bottom:22px}
.reading-article .article-masthead{max-width:990px;margin-inline:auto;padding:20px 0 30px}
.reading-article .article-masthead .eyebrow{letter-spacing:.105em;text-transform:uppercase;font-size:12px;color:var(--green);margin-bottom:18px}
.reading-article .article-masthead h1{max-width:960px;font:600 clamp(31px,3.5vw,49px)/1.18 var(--serif);letter-spacing:-.032em;text-wrap:balance}
.reading-article .article-masthead .dek{max-width:800px;margin-top:22px;font-size:clamp(16px,1.45vw,19px);line-height:1.63;color:var(--ink-2)}
.reading-article .article-meta{font-size:13px;margin-top:22px;gap:8px 14px}
.reading-article .article-controls{max-width:1110px;margin:0 auto 42px;padding:13px 0;align-items:center;gap:8px 20px}
.reading-article .article-layout-controls{display:flex;gap:7px}
.reading-article .article-layout-controls>span{font-size:13px;letter-spacing:.015em}
.reading-article .article-layout-controls .vm-button{min-height:40px;font-size:13px;font-weight:600;padding:8px 14px}
.reading-article .article-save{font-size:13px;min-height:40px}
.reading-article .article-reading-grid{min-width:0;display:block}
.reading-article .article-rail{max-width:68ch;margin:0 auto 24px}
.reading-article .article-toc{background:#f7f9f8;border:1px solid var(--line);border-top:2px solid var(--green);padding:10px 17px}
.reading-article .article-toc>summary{color:var(--green);min-height:40px;justify-content:space-between;font-size:13px}
.reading-article .article-toc ol{columns:1;margin:10px 0 8px;padding-left:21px;column-gap:0}
.reading-article .article-toc li{break-inside:auto;font-size:12px;line-height:1.45;margin-bottom:12px;color:var(--ink-2)}
.reading-article .article-toc a{color:inherit;text-decoration:none}
.reading-article .article-toc a:hover{text-decoration:underline;color:var(--blue)}
.reading-article .article-story{min-width:0;max-width:72ch;margin-inline:auto}
.reading-article .article-story .article-intro,.reading-article .article-story .article-section,.reading-article .article-story .article-related{max-width:100%;margin-inline:0}
.reading-article .article-story .article-section{margin-bottom:48px}
.reading-article .article-story .article-section h2{margin:40px 0 20px;font:600 clamp(23px,2vw,29px)/1.35 var(--serif);letter-spacing:-.02em;text-wrap:pretty}
.reading-article .article-story .article-section h3{font-size:20px;line-height:1.4;margin:28px 0 12px}
.reading-article .article-story .article-intro,.reading-article .article-story .article-section-text{font-size:17px;line-height:1.82;color:var(--ink-2)}
.reading-article .article-story .article-intro p,.reading-article .article-story .article-section-text p{margin-bottom:1.18em}
.reading-article .article-story .article-section-text a,.reading-article .article-story .article-intro a{color:var(--blue);text-decoration-thickness:1px}
.reading-article .article-story .article-section[data-column-eligible]>.article-section-text{columns:1;column-rule:0;column-gap:0}
.reading-article .article-story .article-section[data-references]{border-top:1px solid var(--line-strong);padding-top:24px}
.reading-article .article-story .article-section[data-references] .article-section-text{font-size:14px;line-height:1.7;overflow-wrap:anywhere}
.reading-article .article-story .article-section[data-references] p{padding:0 0 14px;margin:0 0 14px;border-bottom:1px solid var(--line)}
.reading-article .article-story table{display:block;overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
.reading-article .article-story .article-related{padding-top:20px;margin-top:42px}
.reading-article[data-reading-layout="columns"] .article-masthead{border-bottom:0}
.reading-article[data-reading-layout="columns"] .article-story .article-intro{padding-bottom:20px;border-bottom:1px solid var(--line)}
.reading-article[data-reading-layout="columns"] .article-story .article-intro p:first-child::first-letter{float:left;font:600 3.35em/.92 var(--serif);padding-right:11px;padding-top:4px;color:var(--green)}
.reading-article[data-reading-layout="columns"] .article-story .article-section h2{padding-top:16px;border-top:1px solid var(--line)}
.reading-article[data-reading-layout="columns"] .article-story .article-intro .article-feature-line{font-weight:600;color:var(--ink);background:linear-gradient(transparent 68%,#e9eee2 68%);-webkit-box-decoration-break:clone;box-decoration-break:clone}
.reading-article[data-reading-layout="single"] .article-story{max-width:70ch}
.reading-article[data-reading-layout="single"] .article-story .article-section{margin-bottom:28px}
.reading-article[data-reading-layout="single"] .article-story .article-section h2{margin:30px 0 14px;font-size:24px;border:0;padding:0}
.reading-article[data-reading-layout="single"] .article-story .article-intro,.reading-article[data-reading-layout="single"] .article-story .article-section-text{font-size:17px;line-height:1.72}
.reading-article[data-reading-layout="single"] .article-feature-line{font-weight:inherit}
@media(min-width:1024px){
  .reading-article[data-reading-layout="columns"] .article-reading-grid{display:grid;grid-template-columns:minmax(190px,226px) minmax(0,754px);column-gap:clamp(32px,4.5vw,66px);justify-content:center;align-items:start}
  .reading-article[data-reading-layout="columns"] .article-rail{margin:0;min-width:0;align-self:stretch;max-width:none}
  .reading-article[data-reading-layout="columns"] .article-toc{position:sticky;top:calc(var(--vm-header-height) + 24px);max-height:calc(100dvh - var(--vm-header-height) - 48px);overflow-y:auto;overscroll-behavior:contain;padding:14px 15px;background:transparent;border:0;border-top:2px solid var(--green);scrollbar-width:thin}
  .reading-article[data-reading-layout="columns"] .article-story{margin:0;max-width:none}
  .reading-article[data-reading-layout="columns"] .article-story .article-intro,.reading-article[data-reading-layout="columns"] .article-story .article-section-text{font-size:18px;line-height:1.76}
  .reading-article[data-reading-layout="columns"] .article-story .article-section h2{font-size:28px}
}
@media(max-width:1023px){
  .reading-article .article-controls{margin-bottom:22px}
  .reading-article .article-masthead{padding-top:10px}
  .reading-article[data-reading-layout="columns"] .article-story .article-section h2{border-top:1px solid var(--line);padding-top:12px}
  .reading-article .article-rail{max-width:72ch}
}
@media(max-width:600px){
  .reading-article .article-masthead h1{font-size:clamp(25px,7vw,33px);line-height:1.22}
  .reading-article .article-masthead .dek{font-size:16px;margin-top:14px}
  .reading-article .article-masthead{padding-bottom:20px}
  .reading-article .article-controls{display:flex;align-items:center;gap:8px 12px}
  .reading-article .article-layout-controls{width:100%;gap:6px;flex-wrap:wrap}
  .reading-article .article-layout-controls>span{flex:0 0 100%;font-size:12px}
  .reading-article .article-layout-controls .vm-button{flex:1 1 auto;padding:9px 10px}
  .reading-article .article-save{margin-left:0}
  .reading-article .article-story .article-intro,.reading-article .article-story .article-section-text{font-size:16px;line-height:1.7}
  .reading-article[data-reading-layout="columns"] .article-story .article-intro p:first-child::first-letter{font-size:2.8em;padding-right:9px}
  .reading-article .article-story .article-section h2{font-size:23px;line-height:1.35}
}
@media print{
  .reading-article .article-rail{display:none}
  .reading-article .article-reading-grid{display:block!important}
  .reading-article .article-story{max-width:100%!important;margin:0!important}
  .reading-article .article-story .article-section-text{columns:1!important}
  .reading-article .article-controls{display:none}
}
}

/* Visual-review corrections: the source headings already contain their own
   numbering; avoid showing two sets of numbers in the contents rail. */
@layer responsive{
.reading-article .article-toc ol{list-style:none;padding-left:0}
.reading-article .article-toc li{font-size:13px;line-height:1.5;margin-bottom:13px}
.reading-article .article-story .article-intro:not(:has(*)){display:none}
}

/* Selective emphasis is applied to the author's existing paragraphs; no duplicated copy. */
@layer responsive {
  .reading-article[data-reading-layout="columns"] .article-story .article-standout{
    border-left:3px solid var(--green);background:#f5f8f4;color:var(--ink);
    padding:20px 24px 20px 27px;margin:30px 0 32px;
    font:400 clamp(19px,1.6vw,22px)/1.65 var(--serif);
    break-inside:avoid;
  }
  .reading-article[data-reading-layout="single"] .article-story .article-standout{
    border:0;background:transparent;padding:0;margin-bottom:1.18em;
    font:inherit;color:inherit;
  }
  .reading-article .article-section[data-references] .article-section-text a{
    color:var(--blue);text-decoration:underline;text-decoration-thickness:1px;overflow-wrap:anywhere;
  }
  @media(max-width:600px){
    .reading-article[data-reading-layout="columns"] .article-story .article-standout{
      padding:15px 17px;font-size:18px;line-height:1.55;margin:22px 0 26px;
    }
  }
  @media print{
    .reading-article[data-reading-layout="columns"] .article-story .article-standout{
      background:none;padding:10px 18px;font-size:12pt;
    }
  }
}

/* VesninMed editorial longread, v2. Source content is never duplicated for styling. */
@layer responsive {
  .reading-article{--reader-fs:18px;--reader-measure:754px;--reader-space:1.74}
  .reading-article[data-reader-size="sm"]{--reader-fs:16px}
  .reading-article[data-reader-size="lg"]{--reader-fs:21px}
  .reading-article[data-reader-width="wide"]{--reader-measure:900px}
  .reading-article .reader-settings{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
  .reader-settings>span{font-size:12px;color:var(--muted);margin-right:5px}
  .reader-settings button{border:1px solid transparent;border-radius:5px;padding:8px 9px;min-height:38px;background:transparent;color:var(--ink-2);font-size:13px;font-weight:600}
  .reader-settings button:hover{background:var(--soft);border-color:var(--line-strong)}
  .reader-settings button[aria-pressed="true"]{background:var(--green-soft);border-color:var(--green);color:var(--green)}
  .reading-article .article-controls{max-width:1180px}
  .article-share{position:relative;flex-shrink:0}
  .article-share>summary{list-style:none;display:flex;gap:10px;align-items:center}
  .article-share>summary::-webkit-details-marker{display:none}
  .share-panel{position:absolute;z-index:24;top:calc(100% + 8px);right:0;width:250px;max-width:calc(100vw - 32px);background:#fff;border:1px solid var(--line-strong);box-shadow:0 14px 38px #12273b25;border-radius:7px;padding:12px}
  .share-panel p{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding:3px 9px 8px;margin:0}
  .share-panel a,.share-panel button{display:flex;width:100%;padding:10px 9px;text-decoration:none;text-align:left;border:0;border-radius:4px;background:transparent;color:var(--ink);font-size:14px;line-height:1.4;min-height:42px;cursor:pointer}
  .share-panel a:hover,.share-panel button:hover{background:var(--soft);color:var(--blue)}
  .share-feedback{display:block;padding:4px 9px;font-size:12px;color:var(--green)}
  .reading-article .article-end-actions{max-width:900px;margin:55px auto 0;padding:26px 0;display:flex;gap:18px;justify-content:space-between;align-items:center;border-top:1px solid var(--line)}
  .article-end-actions>span{font-size:14px;color:var(--muted)}
  .reading-article .article-rail{min-width:0}
  .reading-article .rail-toggle{display:none;align-items:center;gap:10px;background:transparent;width:100%;min-height:43px;border:0;border-bottom:1px solid var(--line);color:var(--green);padding:5px 8px;font-weight:650;font-size:13px;text-align:left}
  .rail-toggle>span:first-child{font-size:17px}
  .rail-toggle-arrow{margin-left:auto;font-size:23px;line-height:1}
  .reading-article .article-toc a[aria-current="location"]{color:var(--blue-dark);font-weight:700}
  .reading-article .article-toc a[aria-current="location"]::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;background:var(--blue)}
  .reading-article .article-toc li{position:relative;margin:0;padding:0;border-bottom:1px solid #e7ebea}
  .reading-article .article-toc li a{display:block;padding:9px 6px 9px 12px;line-height:1.48;border-radius:2px}
  .reading-article .article-toc li a:hover{background:#edf4ef;text-decoration:none}
  .reading-article .article-toc .reading-progress{font-size:12px;letter-spacing:0;color:var(--muted);margin-left:6px}
  .reading-article .article-story .article-intro,.reading-article .article-story .article-section-text{font-size:var(--reader-fs);line-height:var(--reader-space)}
  .reading-article[data-reader-size="lg"] .article-story .article-section h2{font-size:clamp(25px,2.3vw,32px)}
  .reading-article .article-story .article-section h2{scroll-margin-top:calc(var(--vm-header-height) + 30px)}
  .reading-article .article-citation{display:inline-block;white-space:nowrap;font-size:.85em;font-weight:700;line-height:1.4;margin:0 .08em;padding:0 .18em;border-radius:3px;background:#eff5f6;color:var(--blue-dark);text-decoration:none!important;vertical-align:baseline}
  .reading-article .article-citation:hover,.reading-article .article-citation:focus-visible{background:#d5e9ed;text-decoration:underline!important}
  .citation-dialog{position:fixed;max-width:min(590px,calc(100vw - 28px));max-height:min(80dvh,700px);overflow:auto;border:1px solid var(--line-strong);border-radius:10px;padding:26px 28px 22px;background:#fff;color:var(--ink);box-shadow:0 18px 70px #11253d42}
  .citation-dialog::backdrop{background:#11283b85}
  .citation-dialog h2{font:600 23px/1.3 var(--serif);margin:0 0 16px}
  .citation-dialog p{font-size:15px;line-height:1.7;color:var(--ink-2);white-space:normal}
  .citation-dialog-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
  .citation-dialog-actions a,.citation-dialog-actions button{padding:9px 12px;border:1px solid var(--line-strong);border-radius:5px;background:#fff;color:var(--blue);font:600 13px/1.4 var(--sans);text-decoration:none;cursor:pointer}
  .citation-dialog-actions a:hover,.citation-dialog-actions button:hover{background:var(--blue-soft)}
  .reading-article .article-section[data-references] .reference-group{font:600 19px/1.4 var(--serif);color:var(--ink);padding:20px 0 12px;margin:42px 0 4px;border-bottom:2px solid var(--green)}
  .reading-article .article-section[data-references] .reference-entry{scroll-margin-top:calc(var(--vm-header-height) + 28px);padding:14px 12px;margin:0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.66}
  .reading-article .article-section[data-references] .reference-entry:target{background:#f1f8ee;outline:1px solid var(--green)}
  .reading-article .article-section[data-references] .reference-entry:nth-of-type(even){background:#fafcfd}
  .reading-article .article-section[data-references] .reference-entry:nth-of-type(even):target{background:#f1f8ee}
  /* Compare data in a genuine table; each mobile cell announces its own column. */
  .reading-article .article-story .evidence-table-wrap{width:100%;max-width:100%;margin:28px 0 34px}
  .reading-article .article-story .evidence-table{display:table;width:100%;table-layout:fixed;border-collapse:collapse;border:1px solid var(--line)}
  .evidence-table th{background:#174b5e;color:#fff!important;text-align:left;vertical-align:top;padding:16px 13px!important;font-size:13px!important;line-height:1.5;letter-spacing:.01em;border:0!important}
  .evidence-table td{vertical-align:top;padding:15px 13px!important;border-bottom:1px solid var(--line)!important;font-size:14px;line-height:1.6;overflow-wrap:anywhere}
  .evidence-table td:first-child{font-weight:700;color:var(--ink);background:#f4f8f9}
  .evidence-table tbody tr:nth-child(even) td:not(:first-child){background:#fafcfd}
  .reading-article .history-graphic{max-width:1050px;margin:58px auto 64px;padding:32px 36px;background:#f4f7f5;border:1px solid #dbe5e0;color:var(--ink)}
  .figure-eyebrow{font-size:12px;letter-spacing:.12em;color:var(--green);font-weight:750;text-transform:uppercase}
  .reading-article .history-graphic h3{font:600 clamp(21px,2vw,29px)/1.28 var(--serif);letter-spacing:-.02em;margin:12px 0 16px}
  .reading-article .history-graphic figcaption{color:var(--muted);font-size:12px;line-height:1.65;margin-top:23px;border-top:1px solid var(--line-strong);padding-top:15px}
  .history-graphic figcaption span{color:var(--green);font-weight:700}
  .timeline-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:2px solid var(--green);margin-top:23px}
  .timeline-list>div{position:relative;border-left:1px solid var(--line-strong);padding:25px 15px 0}
  .timeline-list>div::before{content:"";position:absolute;top:-7px;left:-5px;width:9px;height:9px;border-radius:50%;background:var(--green)}
  .timeline-list span{display:block;font:700 23px/1.1 var(--serif);color:var(--green);margin-bottom:10px}
  .timeline-list strong{display:block;font:650 14px/1.35 var(--sans);margin-bottom:6px}
  .timeline-list small{display:block;font:13px/1.5 var(--sans);color:var(--muted)}
  .history-archive{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:22px 38px}
  .history-archive-copy p{font-size:16px;line-height:1.7;color:var(--ink-2);margin:13px 0}
  .history-archive-copy .archive-note{color:var(--muted);font-size:13px;padding-left:15px;border-left:2px solid var(--green)}
  .archive-images{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
  .archive-images a{min-width:0;text-decoration:none;color:var(--blue-dark);font-size:12px;line-height:1.45}
  .archive-images img{width:100%;height:230px;object-fit:contain;background:#dfe7df;padding:5px;border:1px solid #cbd9d0;filter:sepia(.12)}
  .archive-images span{display:block;margin-top:8px}
  .history-archive figcaption{grid-column:1/-1;margin-top:0!important}
  .gate-diagram{display:grid;grid-template-columns:1fr 1fr 1.1fr 1fr;gap:14px;margin-top:26px;align-items:stretch}
  .gate-diagram>div{position:relative;min-width:0;padding:17px 16px;background:white;border:1px solid #d1ddd8;border-top:4px solid #71988d}
  .gate-diagram .gate-center{border-top-color:var(--green);background:#e9f2ed}
  .gate-diagram .gate-result{border-top-color:var(--blue)}
  .gate-label{display:block;font-size:11px;letter-spacing:.025em;color:var(--green);font-weight:700;margin-bottom:12px}
  .gate-diagram strong{display:block;font:600 16px/1.35 var(--serif);margin-bottom:10px}
  .gate-diagram small{display:block;font:12px/1.55 var(--sans);color:var(--muted)}
  .gate-diagram>div:not(:last-child)::after{content:"→";position:absolute;right:-16px;top:48%;font-size:20px;color:var(--green);z-index:1}
  /* Desktop: the contents rail is a genuine independent column, and collapses horizontally. */
  @media (min-width:1024px){
    .reading-article[data-reading-layout="columns"] .article-reading-grid{
      grid-template-columns:minmax(190px,236px) minmax(0,var(--reader-measure));
      column-gap:clamp(28px,3vw,52px);max-width:1200px;margin-inline:auto;transition:grid-template-columns .2s ease}
    .reading-article[data-reading-layout="columns"] .article-rail{
      position:sticky;top:calc(var(--vm-header-height) + 14px);align-self:start;
      max-height:calc(100dvh - var(--vm-header-height) - 28px);min-width:0}
    .reading-article[data-reading-layout="columns"] .rail-toggle{display:flex}
    .reading-article[data-reading-layout="columns"] .article-toc{position:static;max-height:calc(100dvh - var(--vm-header-height) - 86px)}
    .reading-article[data-reading-layout="columns"] .article-story{width:100%;max-width:none}
    .reading-article[data-rail-collapsed="true"][data-reading-layout="columns"] .article-reading-grid{
      grid-template-columns:48px minmax(0,calc(var(--reader-measure) + 140px));
      column-gap:clamp(24px,4vw,64px)}
    .reading-article[data-rail-collapsed="true"][data-reading-layout="columns"] .article-toc{display:none}
    .reading-article[data-rail-collapsed="true"][data-reading-layout="columns"] .rail-toggle{
      min-height:130px;writing-mode:vertical-rl;gap:7px;padding:10px 7px;border:1px solid var(--line);background:#f3f7f4}
    .reading-article[data-rail-collapsed="true"][data-reading-layout="columns"] .rail-toggle-label{white-space:nowrap}
    .reading-article[data-rail-collapsed="true"][data-reading-layout="columns"] .rail-toggle-arrow{margin:0}
    .reading-article[data-reading-layout="single"] .article-rail{display:none}
    .reading-article[data-reading-layout="single"] .article-story{max-width:var(--reader-measure)}
  }
  @media (max-width:1023px){
    .reading-article .article-reading-grid{display:block}
    .reading-article .article-rail{display:block;max-width:100%}
    .reading-article[data-rail-collapsed="true"] .article-rail{display:none}
    .reading-article[data-reading-layout="single"] .article-rail{display:none}
    .reading-article .article-story{width:100%;max-width:var(--reader-measure)}
    .timeline-list{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:20px}
    .history-archive{grid-template-columns:1fr}
    .archive-images{max-width:620px}
    .gate-diagram{grid-template-columns:repeat(2,minmax(0,1fr))}
    .gate-diagram>div:nth-child(2)::after{display:none}
  }
  @media (max-width:650px){
    .reading-article .reader-settings{width:100%}
    .reading-article .reader-settings>span{flex:0 0 auto}
    .reading-article .article-end-actions{align-items:start;flex-direction:column}
    .reading-article .article-controls{gap:7px}
    .reading-article .article-story .article-intro,.reading-article .article-story .article-section-text{font-size:var(--reader-fs)}
    .reading-article{--reader-fs:16px}
    .reading-article[data-reader-size="sm"]{--reader-fs:15px}
    .reading-article[data-reader-size="lg"]{--reader-fs:19px}
    .reading-article .article-story .evidence-table-wrap{overflow:visible}
    .reading-article .article-story .evidence-table{display:block;border:0}
    .evidence-table thead{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
    .evidence-table tbody{display:block}
    .evidence-table tr{display:block;margin-bottom:18px;background:#fff;border:1px solid var(--line);box-shadow:0 3px 12px #10213a08}
    .evidence-table td{display:block;padding:12px 15px!important;font-size:14px}
    .evidence-table td::before{content:attr(data-label);display:block;font-size:11px;font-weight:750;letter-spacing:.015em;color:var(--green);margin-bottom:6px}
    .evidence-table td:first-child{font-size:17px;font-weight:750;background:#eaf3ee}
    .reading-article .history-graphic{margin:38px auto 45px;padding:19px 18px}
    .timeline-list{grid-template-columns:1fr;row-gap:0;display:block;border-top:0;border-left:2px solid var(--green)}
    .timeline-list>div{padding:4px 0 18px 22px;border:0}
    .timeline-list>div::before{left:-6px;top:10px}
    .archive-images img{height:180px}
    .gate-diagram{grid-template-columns:1fr}
    .gate-diagram>div::after{display:none}
    .citation-dialog{padding:19px}
  }
  @media (prefers-reduced-motion:reduce){
    .reading-article .article-reading-grid{transition:none!important}
  }
  @media print{
    .rail-toggle,.article-share,.reader-settings,.article-end-actions{display:none!important}
    .history-graphic{break-inside:avoid;print-color-adjust:exact}
    .evidence-table{display:table!important}
    .evidence-table thead{position:static;clip-path:none}
  }
}

@layer responsive {
  /* Both afferent channels converge on a common spinal processing step. */
  .reading-article .gate-diagram{grid-template-columns:1.2fr 1fr 1fr}
  .gate-inputs{display:grid;grid-template-rows:1fr 1fr;gap:10px;background:transparent!important;border:0!important;padding:0!important}
  .gate-inputs>div{min-width:0;border:1px solid #d1ddd8;border-top:4px solid #71988d;padding:13px 16px;background:#fff}
  .gate-inputs>div:first-child{border-top-color:var(--blue)}
  .gate-diagram .gate-inputs::after{content:"→";position:absolute;right:-17px;top:50%;font-size:20px;color:var(--green)}
  .gate-diagram>.gate-center::after{content:"→";position:absolute;right:-17px;top:48%;font-size:20px;color:var(--green)}
  @media(max-width:1023px){
    .reading-article .gate-diagram{grid-template-columns:1.2fr 1fr 1fr}
    .gate-diagram .gate-inputs::after,.gate-diagram>.gate-center::after{display:block}
  }
  @media(max-width:650px){
    .reading-article .gate-diagram{grid-template-columns:1fr}
    .gate-diagram .gate-inputs::after,.gate-diagram>.gate-center::after{display:none}
  }
}

@layer responsive {
  /* Override equally specific desktop magazine rules instead of only changing a variable. */
  .reading-article[data-reader-size][data-reading-layout] .article-story .article-intro,
  .reading-article[data-reader-size][data-reading-layout] .article-story .article-section-text{
    font-size:var(--reader-fs);
  }
}

/* Original, user-provided scientific slides within the editorial longread. */
@layer responsive {
  .reading-article .article-slide-figure{
    margin:40px 0 48px;
    width:100%;
    max-width:100%;
    padding:14px;
    border:1px solid #d9e2e7;
    border-radius:12px;
    background:#f8fafb;
  }
  .reading-article .article-slide-image{display:block;position:relative;line-height:0;overflow:hidden;background:#fff;border-radius:5px}
  .reading-article .article-slide-image img{display:block;width:100%;height:auto;aspect-ratio:1672 / 941;object-fit:contain}
  .reading-article .article-slide-image:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
  .reading-article .article-slide-figure .slide-zoom{position:absolute;right:12px;bottom:12px;padding:10px 12px;border-radius:5px;color:#fff;background:#163d50df;font:600 12px/1.3 var(--sans);box-shadow:0 4px 16px #09213630}
  .reading-article .article-slide-figure figcaption{margin:14px 4px 2px;color:var(--muted);font-size:13px;line-height:1.65}
  .reading-article .article-slide-figure figcaption strong{color:var(--ink)}
  @media(max-width:650px){
    .reading-article .article-slide-figure{padding:7px;margin:28px 0;border-radius:7px}
    .reading-article .article-slide-figure figcaption{font-size:12px}
    .reading-article .article-slide-figure .slide-zoom{font-size:11px;right:6px;bottom:6px;padding:7px 8px}
  }
  @media print {
    .reading-article .article-slide-figure{break-inside:avoid}
    .reading-article .slide-zoom{display:none}
  }
}


/* CATALOG_ILLUSTRATION_LAYOUT_V1: editorial thumbnails belong to the materials index,
   not the home-page text list or to saved-item controls. */
@layer responsive {
  [data-page="materials"] .library-entry {
    grid-template-columns: 132px 176px minmax(0,1fr);
    column-gap: 22px;
    align-items: center;
  }
  [data-page="materials"] .library-entry-visual {
    width: 176px;
    height: 116px;
    display: block;
    border: 1px solid #d9e4e3;
    border-radius: 6px;
    overflow: hidden;
    background: #f2f6f5;
    transition: border-color .18s ease;
  }
  [data-page="materials"] .library-entry-visual:hover,
  [data-page="materials"] .library-entry-visual:focus-visible {border-color: var(--blue);}
  [data-page="materials"] .library-entry-visual img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }
  [data-page="materials"] .library-entry-visual--contain img {
    object-fit: contain;
    padding: 3px;
  }
  .home-editorial-grid .library-entry-visual {display:none;}
  .reading-article .article-toc a[aria-current="location"] {
    color: var(--blue-dark);
    background: #e5f0ea;
    font-weight: 700;
  }
  .reading-article .article-section[id],
  .reading-article .article-section h2[id] { scroll-margin-top: calc(var(--vm-header-height) + 24px); }
  .reading-article .biomechanics-method-figure {max-width: 720px; margin: 24px auto 36px;}
  .reading-article .biomechanics-method-figure img {width:100%;height:auto;display:block;border-radius:5px;}
  .reading-article .biomechanics-method-figure figcaption {font-size:13px;line-height:1.6;color:var(--muted);}
  @media(max-width: 900px) {
    [data-page="materials"] .library-entry {
      grid-template-columns: 112px minmax(0,1fr);
      column-gap: 18px;
      row-gap: 10px;
    }
    [data-page="materials"] .library-entry-meta {
      grid-column: 1 / -1;
      grid-row: 1;
      display:flex;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 6px 12px;
    }
    [data-page="materials"] .library-entry-meta time,
    [data-page="materials"] .library-entry-meta .entry-reading-time {margin:0;}
    [data-page="materials"] .library-entry-visual {
      grid-column: 1;
      grid-row: 2;
      width: 112px;
      height: 104px;
      align-self: start;
    }
    [data-page="materials"] .library-entry-copy {
      grid-column: 2;
      grid-row: 2;
    }
  }
  @media(max-width: 480px) {
    [data-page="materials"] .library-entry {
      grid-template-columns: 88px minmax(0,1fr);
      column-gap: 12px;
      padding: 17px 0;
    }
    [data-page="materials"] .library-entry-visual {width:88px;height:90px;}
    [data-page="materials"] .library-entry-meta {gap:4px 10px;}
  }
  @media print {
    [data-page="materials"] .library-entry-visual {break-inside:avoid;}
  }
}