/* nexusbest.store
   Open academic library layout after cyberleninka.ru: white canvas, blue links,
   a multi column rubric tree,
   dense publication listings with authors, source, year and abstract snippets,
   and a plain footer. No top bar with a logo left and a menu right. */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1b6ec2; --blue-dk:#14508e; --blue-vis:#6b4fa8;
  --green:#3aa757; --green-dk:#2f8f4f; --green-lt:#eaf6ee;
  --ink:#222426; --body:#3f4448; --muted:#70777d; --faint:#969ea4;
  --line:#e2e6e8; --line-2:#eef1f2; --paper:#ffffff; --paper-2:#f7f9fa; --paper-3:#fbfcfc;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Open Sans",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--body);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}

/* ---- masthead, no nav bar: a notice strip then the library title ---- */
.notice{background:var(--green-lt);border-bottom:1px solid #d3e9dc;color:#26603c;font-size:13px}
.notice .wrap{padding:8px 20px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.notice b{font-weight:700}
.notice .r{margin-left:auto;color:#3d7a55}

.masthead{border-bottom:1px solid var(--line);padding:26px 0 22px;text-align:center}
.masthead .lib{display:inline-flex;align-items:center;gap:11px;margin-bottom:10px}
.masthead .lib img{width:40px;height:40px;display:block}
.masthead h1,.masthead .h1{font-size:27px;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.2}
.masthead .tagline{color:var(--muted);font-size:14.5px;max-width:74ch;margin:0 auto}

/* ---- library nav line under the masthead ---- */
.libnav{margin:16px auto 0;font-size:14.5px;text-align:center}
.libnav a{color:var(--blue)}
.libnav span{color:var(--faint);margin:0 6px}

/* ---- shared section heading ---- */
.sec{padding:26px 0;border-bottom:1px solid var(--line-2)}
.sec:last-child{border-bottom:0}
h2.sh{font-size:19px;color:var(--ink);font-weight:700;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--line)}
h2.sh .cnt{font-size:13px;color:var(--faint);font-weight:400;margin-left:8px}
h3.sh3{font-size:16px;color:var(--ink);font-weight:700;margin:18px 0 8px}

/* ---- rubric tree, multi column like the discipline directory ---- */
.rubrics{column-count:3;column-gap:30px}
.rubric{break-inside:avoid;margin-bottom:18px}
.rubric h4{font-size:14.5px;color:var(--ink);font-weight:700;margin-bottom:6px}
.rubric ul{list-style:none}
.rubric li{margin-bottom:3px;font-size:14px;line-height:1.5}
.rubric li a{color:var(--blue)}
.rubric li .n{color:var(--faint);font-size:12.5px}

/* ---- publication list ---- */
.pubs{margin-top:4px}
.pub{padding:16px 0;border-bottom:1px solid var(--line-2)}
.pub:last-child{border-bottom:0}
.pub .t{font-size:16.5px;line-height:1.35;margin-bottom:5px}
.pub .t a{color:var(--blue);font-weight:600}
.pub .t a:visited{color:var(--blue-vis)}
.pub .au{font-size:13.5px;color:var(--muted);margin-bottom:3px}
.pub .src{font-size:13px;color:var(--faint);margin-bottom:7px}
.pub .src em{font-style:italic;color:var(--muted)}
.pub .ab{font-size:14px;color:var(--body);margin-bottom:8px}
.pub .foot{display:flex;gap:16px;flex-wrap:wrap;align-items:center;font-size:13px}
.pub .tag{background:var(--paper-2);border:1px solid var(--line);border-radius:3px;padding:2px 8px;color:var(--muted);font-size:12.5px}
.pub .rd{color:var(--faint)}
.pub .open{color:var(--green-dk);font-weight:600}
.pub .open::before{content:"\25BE";margin-right:5px;font-size:11px}

/* ---- article page ---- */
.artmeta{background:var(--paper-2);border:1px solid var(--line);border-radius:3px;padding:16px 18px;margin:16px 0 20px;font-size:13.5px}
.artmeta div{margin-bottom:5px}
.artmeta div:last-child{margin-bottom:0}
.artmeta .k{color:var(--faint);display:inline-block;min-width:112px}
.artmeta .v{color:var(--ink)}
.abstract{border-left:3px solid var(--green);background:var(--paper-3);padding:14px 18px;margin:0 0 20px;font-size:14.5px;color:var(--body)}
.abstract b{color:var(--ink)}
.kw{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.kw b{color:var(--ink)}
.body h2{font-size:19px;color:var(--ink);font-weight:700;margin:26px 0 9px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.body h3{font-size:16px;color:var(--ink);font-weight:700;margin:20px 0 7px}
.body p{margin:0 0 13px}
.body ul,.body ol{margin:0 0 14px 22px}
.body li{margin-bottom:6px}
.body table{width:100%;border-collapse:collapse;font-size:14px;margin:14px 0}
.body th,.body td{border:1px solid var(--line);padding:8px 11px;text-align:left}
.body th{background:var(--paper-2);font-weight:700;color:var(--ink);font-size:13px}

/* ---- verified address block ---- */
.addr{border:1px solid var(--line);border-radius:3px;margin:18px 0}
.addr .h{background:var(--paper-2);border-bottom:1px solid var(--line);padding:10px 14px;font-size:13px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.addr .h i{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block}
.addr .row{display:flex;gap:10px;align-items:center;padding:11px 14px;border-bottom:1px solid var(--line-2);flex-wrap:wrap}
.addr .row:last-child{border-bottom:0}
.addr .m{font-size:12px;color:var(--faint);font-weight:700;flex:0 0 auto}
.addr code{flex:1;min-width:220px;font-family:var(--mono);font-size:12px;color:var(--ink);word-break:break-all;line-height:1.5}
.btn{display:inline-block;border:1px solid var(--green);background:#fff;color:var(--green-dk);padding:6px 13px;font-size:12.5px;
  font-weight:700;border-radius:3px;cursor:pointer;font-family:var(--sans)}
.btn:hover{background:var(--green);color:#fff}
.warnbox{background:#fdf7e3;border:1px solid #ecdca8;border-radius:3px;padding:12px 15px;font-size:13.5px;color:#6b5a20;margin:14px 0}

/* ---- crumbs, aside, footer ---- */
.crumb{font-size:13px;color:var(--faint);padding:14px 0 0}
.crumb a{color:var(--blue)}
.info{font-size:14px;color:var(--body)}
.info p{margin-bottom:12px}
.foot{border-top:1px solid var(--line);margin-top:30px;padding:22px 0 30px;font-size:13px;color:var(--muted)}
.foot .row{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:12px}
.foot a{color:var(--blue)}
.foot .mini{font-family:var(--mono);font-size:11px;color:var(--faint);word-break:break-all;line-height:1.5}
.foot .badge{display:inline-block;border:1px solid var(--line);border-radius:3px;padding:6px 12px;color:var(--muted);font-size:12px;margin-top:8px}

@media(max-width:820px){ .rubrics{column-count:2} }
@media(max-width:560px){
  .rubrics{column-count:1}
  .masthead h1,.masthead .h1{font-size:22px}
}

/* ---- prominent address block near the top of the library home ---- */
.addr-first{padding-top:22px}
.addr-first .sh{border-bottom-color:var(--green)}
.addr-lead{font-size:14.5px;color:var(--body);margin-bottom:12px;max-width:80ch}
.addr.addr-big{border:2px solid var(--green);border-radius:4px}
.addr.addr-big .h{background:var(--green);color:#fff;border-bottom:0;font-size:13px;letter-spacing:.03em}
.addr.addr-big .h i{background:#fff}
.addr.addr-big .row{padding:13px 14px;background:#fff}
.addr.addr-big .row:nth-child(even){background:var(--green-lt)}
.addr.addr-big code{font-size:13px;font-weight:600}
.addr.addr-big .m{font-size:12.5px;color:var(--green-dk);background:#fff;border:1px solid var(--green);border-radius:3px;padding:2px 7px}
.addr.addr-big .btn{background:var(--green);color:#fff;padding:7px 15px;font-size:13px}
.addr.addr-big .btn:hover{background:var(--green-dk)}

/* ---- faq and glossary pages ---- */
.faqlist{margin-bottom:8px}
.faqlist .qa{padding:12px 0;border-bottom:1px solid var(--line-2)}
.faqlist .qa:last-child{border-bottom:0}
.faqlist h3{font-size:16px;color:var(--ink);font-weight:700;margin:0 0 5px}
.faqlist p{margin:0;font-size:14.5px}
dl.gloss{margin:16px 0}
dl.gloss dt{font-size:15px;color:var(--ink);font-weight:700;margin-top:14px}
dl.gloss dd{font-size:14.5px;color:var(--body);margin:3px 0 0;padding-left:0}
.footentries{border-top:1px solid var(--line);margin-top:14px;padding-top:12px;font-size:12.5px;line-height:1.9}
.footentries b{display:block;color:var(--ink);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}
.footentries a{margin-right:14px;white-space:nowrap}

/* masthead logo and title link to the home page */
a.lib{text-decoration:none;color:inherit}
a.lib:hover h1,a.lib:hover .h1{color:var(--green-dk)}