:root{--navy:#102d43;--teal:#087c80;--text:#173247;--muted:#536675;--line:#dce4e8;--bg:#f4f7f8;--white:#fff;--max:1240px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--white);color:var(--text);font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;font-size:15px;line-height:1.6}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
a:hover{text-decoration:underline}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #00868a;outline-offset:4px}
img{max-width:100%;display:block}
[hidden]{display:none!important}
.container{width:min(calc(100% - 64px),var(--max));margin:auto}
.skip-link{position:fixed;top:-100px;left:16px;background:white;padding:12px;z-index:100}
.skip-link:focus{top:12px}
.topbar{background:white;border-bottom:1px solid var(--line)}
.topbar-inner{min-height:92px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:14px;font-weight:700;font-size:17px}
.brand-mark{background:var(--navy);color:white;border-bottom:4px solid #37bcba;padding:11px 12px;font-size:19px;letter-spacing:.03em;border-radius:3px}
.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted)}
nav{display:flex;gap:28px;font-size:14px;font-weight:600}
.hero{background:var(--navy);color:white;padding:64px 0 60px}
.hero-inner{display:grid;grid-template-columns:1fr 260px;gap:72px;align-items:center}
.eyebrow{font-size:11px;font-weight:750;letter-spacing:.16em;margin:0 0 12px;color:var(--teal)}
.hero .eyebrow{color:#85dad6}
h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(38px,4.5vw,64px);font-weight:400;line-height:1.12;letter-spacing:-.035em;margin:16px 0 22px;max-width:750px}
h1 span{color:#89ded8}
.hero-description{font-size:19px;line-height:1.65;color:#d7e5ed;max-width:650px;margin-bottom:28px}
.hero-link{display:inline-block;font-weight:600;border-bottom:1px solid #85dad6;padding-bottom:6px}
.hero-aside{border-left:1px solid #517181;padding-left:32px;color:#d7e5ed;font-size:14px}
.hero-number{display:block;font-size:64px;color:white;line-height:1.2;font-weight:350}
.hero-aside p{margin:26px 0 0;font-size:13px}
.recent-section{padding-top:46px;padding-bottom:48px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.section-heading h2{font-family:Georgia,serif;font-size:32px;line-height:1.2;font-weight:400;margin:0}
.section-heading>span{font-size:13px;color:var(--muted)}
.recent-grid,.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.recent-grid .card{border-top:3px solid var(--teal);box-shadow:none}
.recent-grid .title{font-size:17px}
.recent-grid .content{padding:22px}
.recent-grid .badge{font-size:10px}
.catalog-section{background:var(--bg);border-top:1px solid var(--line);padding:48px 0 64px}
.toolbar-card{padding:24px;background:white;border:1px solid var(--line);border-radius:10px}
.search-label{display:block;font-weight:600;margin-bottom:8px}
input,select{color:var(--text);background:#fff;border:1px solid #9bafb9;border-radius:5px;min-height:46px;padding:10px 12px;width:100%}
input[type=search]{font-size:16px;background:#f8fafb}
.filters{display:grid;grid-template-columns:140px 1fr 1fr 180px auto;gap:16px;align-items:end;margin-top:18px}
.filters label{font-size:12px;font-weight:650;min-width:0}
.filters select{display:block;margin-top:5px;font-size:13px}
.secondary,.primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 15px;border:1px solid #8ca4b0;border-radius:5px;background:white;color:var(--navy);font-weight:600;font-size:13px}
.primary{background:var(--navy);color:white;border-color:var(--navy)}
.stats{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin:12px 0 20px}
#resultText{font-weight:650;color:var(--text);font-size:14px}
.card{background:white;border:1px solid var(--line);border-radius:9px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 3px 12px #102d4305}
.thumb{aspect-ratio:16/9;position:relative;background:#e1e9ec;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb>span{position:absolute;bottom:8px;right:8px;color:white;background:#102d43e8;padding:2px 6px;border-radius:3px;font-size:10px}
.content{padding:22px;display:flex;flex:1;flex-direction:column;gap:12px}
.card-meta{display:flex;gap:10px;align-items:start;justify-content:space-between}
.badge{color:#075e63;background:#e5f3f2;font-size:11px;line-height:1.45;font-weight:650;padding:5px 8px;border-radius:3px}
.year{font-size:11px;white-space:nowrap;color:var(--muted);padding-top:4px}
.title{font-size:20px;line-height:1.45;margin:0;font-weight:650}
.title-button{background:none;border:0;color:inherit;text-align:left;font:inherit;padding:0}
.title-button:hover{color:var(--teal)}
.journal{font-size:13px;color:var(--teal);font-weight:600;margin:0}
.authors{font-size:12px;color:var(--muted);line-height:1.7;margin:0}
.doi-link{font-size:12px;color:#075e63;overflow-wrap:anywhere}
.actions{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:13px;font-weight:650}
.article-link{color:var(--navy)}
.pdf-link{color:#075e63}
.empty{text-align:center;padding:40px;border:1px dashed #9bafb9;background:white;border-radius:9px}
.footer{background:var(--navy);color:#d7e5ed;padding:40px 0;font-size:12px}
.footer-inner{display:flex;justify-content:space-between;gap:32px}
.footer strong{font-size:16px;color:white}
.footer p{line-height:1.8}
dialog{padding:0;width:min(850px,calc(100% - 32px));max-height:calc(100dvh - 48px);border:1px solid var(--line);border-radius:12px;color:var(--text);overflow:auto}
dialog::backdrop{background:#061b2dbb}
.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 28px;border-bottom:1px solid var(--line)}
#closeModal{background:var(--navy);color:white;border:0;border-radius:5px;width:44px;height:44px;flex-shrink:0;font-size:26px}
.dialog-content{padding:28px}
.dialog-content h2{font-family:Georgia,serif;line-height:1.35;font-size:28px;margin:0 0 18px}
.detail-panels{display:grid;gap:16px;margin:24px 0}
.panel{padding:20px;background:var(--bg);border:1px solid var(--line);border-radius:6px}
.panel h3{margin:0 0 8px;font-size:16px}
.panel p{margin:0;font-size:14px}
.metadata-note{font-size:13px;background:#fff3d9;padding:16px}
#modalDoiRow{overflow-wrap:anywhere;font-size:13px}
#modalDoi{color:#075e63;text-decoration:underline}
@media(max-width:1050px){.filters{grid-template-columns:1fr 1fr}
.filters .secondary{justify-self:start}
.grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.recent-grid{grid-template-columns:1fr 1fr}
.recent-grid .card:last-child{grid-column:1/-1}
.hero-inner{gap:32px;grid-template-columns:1fr 200px}
nav{gap:16px}
}
@media(max-width:650px){.container{width:calc(100% - 32px)}
.topbar-inner{padding:16px 0;align-items:start;flex-direction:column;gap:16px}
.brand{font-size:15px}
nav{width:100%;justify-content:space-between;font-size:12px}
.hero{padding:38px 0}
.hero-inner{grid-template-columns:1fr;gap:28px}
.hero-description{font-size:16px}
.hero-aside{display:none}
h1{font-size:42px}
.section-heading h2{font-size:27px}
.section-heading>span{display:none}
.recent-section{padding-top:32px;padding-bottom:32px}
.recent-grid,.grid{grid-template-columns:1fr}
.recent-grid .card:last-child{grid-column:auto}
.catalog-section{padding:32px 0}
.toolbar-card{padding:18px}
.filters{grid-template-columns:1fr;gap:12px}
.stats{display:block}
.stats p:last-child{font-size:11px}
.card-meta{flex-wrap:wrap}
.footer-inner{flex-direction:column;gap:12px}
.dialog-content,.dialog-heading{padding:18px}
.dialog-content h2{font-size:23px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}