@font-face{font-family:'Great Vibes';src:url('/fonts/great-vibes.woff2') format('woff2');font-display:swap;font-weight:400}
:root{
  --bg:#fafbf7;--ink:#252620;--mut:#686b62;--line:#dddfd5;--ox:#8d4141;--paper:#fff;--soft:#494d43;
  --serif:Georgia,'LXGW WenKai Screen','Times New Roman','Songti SC',SimSun,serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono','Cascadia Mono',Consolas,'Courier New',monospace;
  --sans:'LXGW WenKai Screen',system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:#e9ded5;color:var(--ink)}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.wrap{max-width:1040px;margin:0 auto;padding:0 40px}
/* A quiet masthead, aligned with the index rather than a separate banner. */
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:100px;position:relative}
.topbar .wrap::after{content:'';position:absolute;inset:auto 40px 0;border-bottom:1px solid var(--ink)}
.brand{font-family:'Great Vibes',cursive;font-size:2.25rem;line-height:1.2;padding:12px 0}
.brand:hover{color:var(--ox)}
.topnav{display:flex;align-items:center;gap:20px;font-size:.9375rem;color:var(--mut)}
.linkbtn{background:none;border:0;padding:8px 0;font:inherit;font-size:.9375rem;color:var(--ink);cursor:pointer;white-space:nowrap;min-height:44px}
.linkbtn:hover:not(:disabled),.topnav a:hover{color:var(--ox)}
.linkbtn:disabled{color:#7d8076;cursor:default;opacity:.65}
.eyebrow{font-family:var(--mono);font-size:.875rem;letter-spacing:.025em;color:var(--ox);margin:0;overflow-wrap:anywhere}
h1.title{font-family:var(--serif);font-weight:400;font-size:2.875rem;line-height:1.28;letter-spacing:-.018em;margin:16px 0 0;text-wrap:pretty}
.sub{color:var(--mut);font-size:1rem;margin:18px 0 0}
/* Search shares the list's text column; the keyboard hint is secondary. */
.search{display:flex;align-items:center;gap:20px;margin-top:30px;border-bottom:1px solid var(--line);padding:10px 0 14px}
.search input{flex:1;min-width:0;background:none;border:0;border-radius:0;outline:none;font:inherit;font-size:1.0625rem;color:var(--ink);min-height:44px}
.search input::placeholder{color:var(--mut);opacity:1}
.search:focus-within{border-bottom-color:var(--ox)}
.search-key{font-family:var(--mono);font-size:.875rem;border:1px solid var(--line);border-radius:3px;min-width:28px;line-height:26px;text-align:center;color:var(--mut)}
.cards{display:flex;flex-direction:column}
.card{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr) 44px;grid-template-rows:repeat(5,auto);column-gap:28px;padding:34px 0 36px;border-bottom:1px solid var(--line);transition:border-color .18s}
.card::before{content:'';position:absolute;left:-16px;top:36px;bottom:36px;width:2px;background:var(--ox);opacity:0;transition:opacity .18s}
.card:hover::before,.card:focus-visible::before{opacity:1}
.card .no{grid-row:1 / 6;grid-column:1;font-family:var(--mono);font-size:.875rem;color:var(--mut);padding-top:2px;font-variant-numeric:tabular-nums}
.card small{grid-row:1;grid-column:2;font-family:var(--mono);font-size:.875rem;letter-spacing:.015em;color:var(--mut);overflow-wrap:anywhere}
.card h2{grid-row:2;grid-column:2;font-family:var(--serif);font-weight:400;font-size:1.75rem;line-height:1.35;letter-spacing:-.015em;margin:10px 0 0;overflow-wrap:anywhere;text-wrap:pretty;transition:color .18s}
.card:hover h2,.card:focus-visible h2{color:var(--ox)}
.card p.muted{grid-row:3;grid-column:2;margin:12px 0 0;color:var(--mut);font-size:.9375rem;line-height:1.7;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .card-summary{grid-row:4;grid-column:2;margin:14px 0 0;color:var(--soft);font-size:1.0625rem;line-height:1.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card p.tags{grid-row:5;grid-column:2;margin:16px 0 0;font-size:.9375rem;line-height:1.8;color:var(--ox);overflow-wrap:anywhere}
.card .open-hint{grid-row:2;grid-column:3;justify-self:end;font-size:1.375rem;color:var(--mut);padding-top:10px;transition:color .18s,transform .18s}
.card:hover .open-hint,.card:focus-visible .open-hint{color:var(--ox);transform:translate(2px,-2px)}
.empty{margin:36px 0;padding:48px 20px;border-bottom:1px solid var(--line);text-align:center;color:var(--mut);font-size:1rem}
.pagination{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:24px 0 48px;font-size:.9375rem;color:var(--mut)}
#page-label{font-family:var(--mono);font-size:.875rem}
#status{color:var(--ox);font-size:.9375rem;overflow-wrap:anywhere}
#status:empty{margin:0}
.login{max-width:560px;margin:80px auto}
.login form{display:grid;gap:18px;margin-top:30px;max-width:380px}
.login input{background:none;border:0;border-bottom:1px solid var(--ink);border-radius:0;font:inherit;font-size:1rem;padding:12px 2px;color:var(--ink);min-width:0}
.login button{justify-self:start;background:none;border:1px solid var(--ink);border-radius:0;padding:12px 24px;font:inherit;font-size:1rem;color:var(--ink);cursor:pointer}
.login button:hover{border-color:var(--ox);color:var(--ox)}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--ox);outline-offset:5px}
/* Marginal section labels give the article the rhythm of a printed journal. */
.paper{padding-top:52px;padding-bottom:72px}
.paper .metarow{font-size:1rem;color:var(--mut);margin:24px 0 0;overflow-wrap:anywhere;line-height:1.85}
.paper .links{display:flex;flex-wrap:wrap;gap:12px 28px;margin:20px 0 0;font-size:1rem}
.paper .links a{color:var(--ox);border-bottom:1px solid var(--line);padding:4px 0}
.paper .links a:hover{border-color:var(--ox)}
.paper h1.title{font-size:clamp(2rem,3.5vw,2.75rem);margin-top:20px;overflow-wrap:anywhere}
.sec{display:grid;grid-template-columns:132px minmax(0,1fr);column-gap:28px;align-items:start;margin-top:48px;border-top:1px solid var(--line);padding-top:26px}
.seclabel{font-size:.9375rem;line-height:1.9;color:var(--mut);margin:2px 0 0}
.paper .summary{white-space:pre-wrap;font-size:1.125rem;line-height:2;margin:0;overflow-wrap:anywhere}
.paper pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--serif);font-size:1.125rem;line-height:2;margin:0;min-width:0}
.figures{display:grid;gap:32px;min-width:0}
figure{margin:0;min-width:0}
figure img{width:100%;height:auto;display:block;background:var(--paper);border:1px solid var(--line);padding:12px}
figcaption{font-family:var(--mono);font-size:.875rem;color:var(--mut);padding:12px 0 0;overflow-wrap:anywhere}
@media(min-width:800px){.search{padding-left:92px}}
@media(max-width:799px){
  .wrap{padding:0 28px}.topbar .wrap::after{left:28px;right:28px}
  .card{grid-template-columns:40px minmax(0,1fr) 24px;column-gap:20px}
  .sec{grid-template-columns:1fr;gap:18px}.seclabel{color:var(--ox)}
}
@media(max-width:520px){
  .wrap{padding:0 20px}.topbar .wrap{min-height:84px;gap:12px}.topbar .wrap::after{left:20px;right:20px}
  .brand{font-size:2rem}.topnav{font-size:.875rem}
  .search{margin-top:18px;gap:12px}.search-key{display:none}.search input{font-size:1rem}
  .card{grid-template-columns:minmax(0,1fr) 24px;column-gap:12px;padding:28px 0 30px}
  .card .no{display:none}.card small,.card h2,.card p.muted,.card .card-summary,.card p.tags{grid-column:1}
  .card .open-hint{grid-column:2}.card small{font-size:.875rem}.card h2{font-size:1.5rem;line-height:1.4}
  .card .card-summary{-webkit-line-clamp:3}.card::before{left:-10px;top:30px;bottom:30px}
  h1.title{font-size:2rem}.paper{padding-top:34px}.paper h1.title{font-size:2rem}
  .paper .eyebrow{font-size:.875rem}.sec{margin-top:36px;padding-top:20px}
  .paper .summary,.paper pre{font-size:1.125rem}figure img{padding:6px}
}
@media(prefers-reduced-motion:reduce){*,*::before{transition:none!important}}
/* Structured Markdown, shared by every paper. */
.prose{min-width:0;font-size:1.125rem;line-height:2;overflow-wrap:anywhere}
.prose>:first-child{margin-top:0}
.prose h2,.prose h3,.prose h4{font-family:var(--sans);font-weight:600;line-height:1.5;scroll-margin-top:32px;text-wrap:pretty}
.prose h2{font-size:1.65rem;margin:52px 0 20px}.prose h3{font-size:1.25rem;margin:32px 0 16px}
.prose p{margin:0 0 22px}.prose ul,.prose ol{padding-left:1.4em;margin:16px 0 28px}.prose li{padding-left:.25em;margin:10px 0}
.prose strong{font-weight:700;color:var(--ink)}.prose a{color:var(--ox);text-decoration:underline;text-underline-offset:4px}
.prose blockquote{margin:26px 0;padding:4px 0 4px 22px;border-left:2px solid var(--ox);color:var(--soft)}
.prose blockquote p:last-child{margin-bottom:0}
.prose code{font-family:var(--mono);font-size:.875em;background:#eff0e9;padding:2px 5px}
.prose pre{overflow:auto;white-space:pre;font-family:var(--mono);font-size:.9375rem;background:#eff0e9;padding:20px;margin:24px 0}
.prose pre code{padding:0;background:none}
.table-scroll{max-width:100%;overflow-x:auto;margin:24px 0 32px;outline-offset:4px}
.prose table{width:100%;border-collapse:collapse;font-size:1rem;line-height:1.8;text-align:left}
.prose th{font-weight:600;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:#f1f2eb}
.prose th,.prose td{padding:14px 16px;vertical-align:top;min-width:130px}.prose td{border-bottom:1px solid var(--line)}
.prose img{display:block;width:100%;height:auto;margin:32px 0 12px;background:white;border:1px solid var(--line);padding:10px}
.prose p:has(>em:only-child){font-size:.9375rem;line-height:1.8;color:var(--mut)}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.reading-header{max-width:820px;margin:0 auto 52px}
.journal{color:var(--ox);font-size:.9375rem;margin:0 0 24px}
.paper .reading-header h1.title{font-family:var(--sans);font-size:clamp(2rem,3.4vw,2.7rem);line-height:1.5;letter-spacing:0;margin:0 0 20px}
.original-title{font-family:var(--serif);font-size:1.25rem;line-height:1.6;color:var(--mut);margin:0 0 24px}
.authors{font-size:.9375rem;color:var(--mut)}
summary{cursor:pointer;min-height:44px;padding:8px 0}summary:focus-visible{outline:2px solid var(--ox);outline-offset:4px}
.authors p{overflow-wrap:anywhere}font-size:1.1875rem;line-height:2;margin:30px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.reading-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:40px;border-top:1px solid var(--ink);padding-top:36px;align-items:start}
.reading-toc{position:sticky;top:28px;font-size:.9375rem;line-height:1.7}
.reading-toc p{color:var(--mut);margin:0 0 18px}.reading-toc a{display:flex;gap:12px;margin:0 0 16px;color:var(--soft)}
.reading-toc a:hover{color:var(--ox)}.reading-toc span{font-family:var(--mono);font-size:.75rem;padding-top:3px;color:var(--mut)}
.reading-notes{margin-top:44px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.reading-notes>summary{font-size:1rem;color:var(--ox)}.reading-notes[open]>summary{margin-bottom:24px}
.back-to-index{display:inline-block;font-size:1rem;margin-top:32px}
@media(max-width:799px){.reading-layout{grid-template-columns:minmax(0,1fr);gap:28px}.reading-toc{position:static;border-bottom:1px solid var(--line);padding-bottom:16px}.reading-toc a{margin-bottom:10px}.reading-header{margin-bottom:32px}.prose h2{font-size:1.45rem}.prose th,.prose td{padding:12px;min-width:120px}}

.figure-record{border-bottom:1px solid var(--line);padding:8px 0}.figure-record summary{font-size:1rem}.source-caption{font-family:var(--sans);font-size:.9375rem;line-height:1.8;white-space:pre-wrap;color:var(--soft)}
.reading-lead-box{border:1px solid var(--line);background:var(--paper);padding:14px 18px;margin-top:18px}
.reading-lead-box p{margin:4px 0;font-size:14.5px}
.lead-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--ox);margin-right:12px}
.reading-toc p{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--mut);text-transform:uppercase}
.reading-notes{margin-top:18px}
.reading-notes summary{cursor:pointer;font-family:var(--mono);font-size:12px;color:var(--ox)}
.source-caption{white-space:pre-wrap;font-size:13px;color:var(--soft)}