/* ============================================================
   ResearchWire — public site styles
   ============================================================ */
:root{
  --rw-primary:#1e40af;
  --rw-primary-dark:#1e3a8a;
  --rw-accent:#0891b2;
  --rw-ink:#0f172a;
  --rw-body:#334155;
  --rw-muted:#64748b;
  --rw-line:#e5e9f0;
  --rw-bg:#f7f8fb;
  --rw-card:#ffffff;
  --rw-radius:14px;
  --rw-serif:'Fraunces',Georgia,'Times New Roman',serif;
  --rw-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
body{
  font-family:var(--rw-sans);
  color:var(--rw-body);
  background:var(--rw-bg);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--rw-primary);text-decoration:none}
a:hover{color:var(--rw-primary-dark)}
h1,h2,h3,h4,h5,.rw-serif{font-family:var(--rw-serif);color:var(--rw-ink);font-weight:600;letter-spacing:-.01em}
.container-rw{max-width:1200px;margin:0 auto;padding:0 18px}
.text-muted-2{color:var(--rw-muted)!important}

/* ---------- Top bar ---------- */
.rw-topbar{background:var(--rw-primary-dark);color:#cbd5e1;font-size:.82rem}
.rw-topbar a{color:#e2e8f0}
.rw-topbar a:hover{color:#fff}
.rw-topbar .rw-date{color:#93c5fd}

/* ---------- Header ---------- */
.rw-header{background:#fff;border-bottom:1px solid var(--rw-line)}
.rw-logo{display:flex;align-items:center;gap:12px}
.rw-logo .mark{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--rw-primary),var(--rw-accent));
  display:grid;place-items:center;color:#fff;font-size:1.4rem;
  box-shadow:0 6px 18px -6px rgba(30,64,175,.6);
}
.rw-logo .name{font-family:var(--rw-serif);font-weight:700;font-size:1.5rem;color:var(--rw-ink);line-height:1}
.rw-logo .name b{color:var(--rw-primary)}
.rw-logo .tag{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--rw-muted)}

/* ---------- Nav ---------- */
.rw-nav{background:var(--rw-primary);position:sticky;top:0;z-index:1020}
.rw-nav .navbar-nav .nav-link{
  color:#dbeafe;font-weight:500;font-size:.92rem;padding:.85rem 1rem;
  border-bottom:3px solid transparent;transition:.15s;
}
.rw-nav .navbar-nav .nav-link:hover,
.rw-nav .navbar-nav .nav-link.active{color:#fff;border-bottom-color:#fff}
.rw-nav .navbar-toggler{border-color:rgba(255,255,255,.4)}

/* ---------- Breaking ticker ---------- */
.rw-ticker{background:#fff;border-bottom:1px solid var(--rw-line);display:flex;align-items:stretch;overflow:hidden}
.rw-ticker .label{
  background:#dc2626;color:#fff;font-weight:700;font-size:.78rem;letter-spacing:.06em;
  text-transform:uppercase;padding:.55rem 1rem;display:flex;align-items:center;gap:6px;white-space:nowrap;
}
.rw-ticker .track{overflow:hidden;flex:1;position:relative;display:flex;align-items:center}
.rw-ticker .track ul{display:flex;gap:2.5rem;margin:0;padding:0 1rem;list-style:none;white-space:nowrap;animation:rw-marquee 34s linear infinite}
.rw-ticker .track ul li a{color:var(--rw-ink);font-size:.88rem;font-weight:500}
.rw-ticker:hover .track ul{animation-play-state:paused}
@keyframes rw-marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ---------- Buttons ---------- */
.btn-rw{background:var(--rw-primary);border-color:var(--rw-primary);color:#fff;font-weight:600}
.btn-rw:hover{background:var(--rw-primary-dark);border-color:var(--rw-primary-dark);color:#fff}
.btn-outline-rw{border:1.5px solid var(--rw-primary);color:var(--rw-primary);font-weight:600;background:#fff}
.btn-outline-rw:hover{background:var(--rw-primary);color:#fff}

/* ---------- Chips / badges ---------- */
.rw-cat{
  display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.05em;padding:.2rem .6rem;border-radius:999px;
  background:#eef2ff;color:var(--rw-primary);
}
.rw-badge-type{
  display:inline-flex;align-items:center;gap:5px;font-size:.7rem;font-weight:700;
  padding:.18rem .55rem;border-radius:6px;color:#fff;letter-spacing:.02em;
}
.rw-meta{font-size:.8rem;color:var(--rw-muted);display:flex;flex-wrap:wrap;gap:.4rem 1rem;align-items:center}
.rw-meta i{color:var(--rw-accent)}

/* ---------- Section heads ---------- */
.rw-sec-head{display:flex;align-items:center;justify-content:space-between;margin:0 0 1.1rem}
.rw-sec-head h2{font-size:1.35rem;margin:0;position:relative;padding-left:.85rem}
.rw-sec-head h2::before{content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:5px;border-radius:4px;background:var(--rw-primary)}
.rw-sec-head a{font-size:.85rem;font-weight:600}

/* ---------- Cards ---------- */
.rw-card{
  background:var(--rw-card);border:1px solid var(--rw-line);border-radius:var(--rw-radius);
  overflow:hidden;height:100%;transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column;
}
.rw-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(15,23,42,.4)}
.rw-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#eef2f7;position:relative}
.rw-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.rw-card:hover .thumb img{transform:scale(1.05)}
.rw-card .thumb .type-tag{position:absolute;left:10px;top:10px}
.rw-card .body{padding:1rem 1.1rem 1.15rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.rw-card h3{font-size:1.05rem;line-height:1.35;margin:0}
.rw-card h3 a{color:var(--rw-ink)}
.rw-card h3 a:hover{color:var(--rw-primary)}
.rw-card p{font-size:.9rem;color:var(--rw-muted);margin:0}
.rw-card .foot{margin-top:auto;padding-top:.35rem}

/* horizontal list card */
.rw-hcard{display:flex;gap:.9rem;padding:.7rem 0;border-bottom:1px solid var(--rw-line)}
.rw-hcard:last-child{border-bottom:0}
.rw-hcard .t{width:96px;height:70px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:#eef2f7}
.rw-hcard .t img{width:100%;height:100%;object-fit:cover}
.rw-hcard h4{font-size:.95rem;line-height:1.3;margin:0 0 .25rem}
.rw-hcard h4 a{color:var(--rw-ink)}
.rw-hcard h4 a:hover{color:var(--rw-primary)}

/* rank list (trending) */
.rw-rank{display:flex;gap:.85rem;padding:.7rem 0;border-bottom:1px dashed var(--rw-line);align-items:flex-start}
.rw-rank:last-child{border-bottom:0}
.rw-rank .n{font-family:var(--rw-serif);font-size:1.6rem;font-weight:700;line-height:1;color:var(--rw-line);width:34px;flex:0 0 auto;text-align:center}
.rw-rank h4{font-size:.92rem;line-height:1.3;margin:0}
.rw-rank h4 a{color:var(--rw-ink)}
.rw-rank h4 a:hover{color:var(--rw-primary)}

/* ---------- Hero ---------- */
.rw-hero-main{position:relative;border-radius:var(--rw-radius);overflow:hidden;min-height:440px;display:flex;align-items:flex-end;color:#fff}
.rw-hero-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rw-hero-main .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,0) 25%,rgba(15,23,42,.55) 60%,rgba(15,23,42,.92) 100%)}
.rw-hero-main .inner{position:relative;padding:2rem;z-index:2}
.rw-hero-main h1{color:#fff;font-size:2rem;line-height:1.15;margin:.4rem 0 .6rem;max-width:42ch}
.rw-hero-main p{color:#e2e8f0;max-width:60ch;margin:0}
.rw-hero-side{position:relative;border-radius:var(--rw-radius);overflow:hidden;min-height:210px;display:flex;align-items:flex-end;color:#fff}
.rw-hero-side img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rw-hero-side .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,0) 30%,rgba(15,23,42,.9) 100%)}
.rw-hero-side .inner{position:relative;padding:1rem 1.1rem;z-index:2}
.rw-hero-side h3{color:#fff;font-size:1.02rem;line-height:1.28;margin:.35rem 0 0}

/* ---------- Sidebar ---------- */
.rw-widget{background:#fff;border:1px solid var(--rw-line);border-radius:var(--rw-radius);padding:1.15rem;margin-bottom:1.4rem}
.rw-widget > h3{font-size:1.02rem;margin:0 0 .9rem;padding-bottom:.6rem;border-bottom:2px solid var(--rw-line);position:relative}
.rw-widget > h3::after{content:"";position:absolute;left:0;bottom:-2px;width:52px;height:2px;background:var(--rw-primary)}
.rw-tagcloud{display:flex;flex-wrap:wrap;gap:.4rem}
.rw-tagcloud a{font-size:.8rem;background:var(--rw-bg);border:1px solid var(--rw-line);color:var(--rw-body);padding:.28rem .6rem;border-radius:8px}
.rw-tagcloud a:hover{background:var(--rw-primary);color:#fff;border-color:var(--rw-primary)}

/* newsletter box */
.rw-news{background:linear-gradient(135deg,var(--rw-primary),var(--rw-primary-dark));color:#fff;border-radius:var(--rw-radius);padding:1.4rem}
.rw-news h3{color:#fff}
.rw-news p{color:#dbeafe;font-size:.9rem}
.rw-news .form-control{border:0;border-radius:9px}

/* ---------- Category strip (fields) ---------- */
.rw-fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.8rem}
.rw-field{display:flex;align-items:center;gap:.7rem;background:#fff;border:1px solid var(--rw-line);border-radius:12px;padding:.7rem .85rem;transition:.15s}
.rw-field:hover{border-color:var(--rw-primary);box-shadow:0 10px 24px -18px rgba(30,64,175,.7)}
.rw-field .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;font-size:1.15rem;flex:0 0 auto}
.rw-field .nm{font-weight:600;color:var(--rw-ink);font-size:.9rem;line-height:1.1}
.rw-field .ct{font-size:.72rem;color:var(--rw-muted)}

/* ---------- Article page ---------- */
.rw-article{background:#fff;border:1px solid var(--rw-line);border-radius:var(--rw-radius);padding:1.6rem clamp(1rem,4vw,2.4rem)}
.rw-article h1{font-size:2.05rem;line-height:1.18;margin:.6rem 0 .8rem}
.rw-article .lead{font-size:1.12rem;color:var(--rw-body);font-family:var(--rw-serif);line-height:1.55}
.rw-article-body{font-size:1.06rem;line-height:1.8;color:#293241}
.rw-article-body p{margin:0 0 1.15rem}
.rw-article-body h2{font-size:1.5rem;margin:1.8rem 0 .8rem}
.rw-article-body h3{font-size:1.25rem;margin:1.5rem 0 .7rem}
.rw-article-body img{max-width:100%;border-radius:10px;margin:1rem 0}
.rw-article-body blockquote{border-left:4px solid var(--rw-primary);margin:1.4rem 0;padding:.4rem 0 .4rem 1.2rem;color:var(--rw-muted);font-style:italic;font-size:1.1rem}
.rw-article-body ul,.rw-article-body ol{margin:0 0 1.15rem 1.2rem}
.rw-article-body li{margin-bottom:.4rem}
.rw-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--rw-radius);background:#eef2f7;display:block}
.rw-figure figcaption{font-size:.82rem;color:var(--rw-muted);margin-top:.5rem;text-align:center;font-style:italic}

/* study meta panel */
.rw-study{background:#f0f6ff;border:1px solid #d7e6fb;border-left:4px solid var(--rw-primary);border-radius:12px;padding:1.1rem 1.25rem;margin:1.4rem 0}
.rw-study h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--rw-primary);margin:0 0 .8rem;display:flex;align-items:center;gap:.5rem}
.rw-study dl{display:grid;grid-template-columns:150px 1fr;gap:.5rem .9rem;margin:0;font-size:.92rem}
.rw-study dt{color:var(--rw-muted);font-weight:600}
.rw-study dd{margin:0;color:var(--rw-ink)}
.rw-study dd a{word-break:break-word}
.rw-findings{background:#ecfdf5;border:1px solid #b7ecd6;border-radius:12px;padding:1.1rem 1.25rem;margin:1.4rem 0}
.rw-findings h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:#047857;margin:0 0 .7rem;display:flex;align-items:center;gap:.5rem}
.rw-findings ul{margin:0;padding-left:1.2rem}
.rw-findings li{margin-bottom:.45rem;color:#134e37}

/* cite-this box */
.rw-cite{background:#fff;border:1px solid var(--rw-line);border-radius:12px;padding:1.1rem 1.25rem;margin:1.4rem 0}
.rw-cite h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--rw-primary);margin:0 0 .8rem;display:flex;align-items:center;gap:.5rem}
.rw-cite-tabs{display:flex;gap:.4rem;margin-bottom:.8rem;flex-wrap:wrap}
.rw-cite-tabs button{font-size:.8rem;font-weight:600;border:1px solid var(--rw-line);background:var(--rw-bg);color:var(--rw-body);padding:.28rem .7rem;border-radius:8px;cursor:pointer}
.rw-cite-tabs button.active{background:var(--rw-primary);color:#fff;border-color:var(--rw-primary)}
.rw-cite-panel{position:relative}
.rw-cite pre{background:var(--rw-bg);border-radius:8px;padding:.9rem 1rem;margin:0;font-size:.85rem;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,monospace;color:#293241}
.rw-cite .apa,.rw-cite .mla{font-family:Georgia,serif;font-size:.95rem;line-height:1.6}
.rw-cite-copy{position:absolute;top:.5rem;right:.5rem;font-size:.72rem;font-weight:600;border:1px solid var(--rw-line);background:#fff;color:var(--rw-primary);padding:.2rem .55rem;border-radius:6px;cursor:pointer}

/* open-access badge */
.rw-oa{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:700;color:#b45309;background:#fef3c7;padding:.18rem .55rem;border-radius:6px}

/* author box */
.rw-authorbox{display:flex;gap:1rem;align-items:center;background:var(--rw-bg);border:1px solid var(--rw-line);border-radius:12px;padding:1rem 1.2rem;margin:1.6rem 0}
.rw-authorbox img{width:60px;height:60px;border-radius:50%;object-fit:cover;flex:0 0 auto}
.rw-authorbox .nm{font-weight:700;color:var(--rw-ink)}
.rw-authorbox .ti{font-size:.85rem;color:var(--rw-muted)}

/* share */
.rw-share{display:flex;gap:.5rem;flex-wrap:wrap}
.rw-share a{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;font-size:1rem}
.rw-share .x{background:#0f172a}.rw-share .fb{background:#1877f2}.rw-share .ln{background:#0a66c2}
.rw-share .wa{background:#25d366}.rw-share .cp{background:#64748b}

/* comments */
.rw-comment{display:flex;gap:.9rem;padding:1rem 0;border-bottom:1px solid var(--rw-line)}
.rw-comment .av{width:44px;height:44px;border-radius:50%;background:var(--rw-primary);color:#fff;display:grid;place-items:center;font-weight:700;flex:0 0 auto}

/* ---------- Page hero / breadcrumb ---------- */
.rw-page-hero{background:linear-gradient(120deg,var(--rw-primary-dark),var(--rw-primary));color:#fff;padding:2.2rem 0}
.rw-page-hero h1{color:#fff;margin:0;font-size:1.9rem}
.rw-page-hero .crumb{color:#c7d7f5;font-size:.85rem}
.rw-page-hero .crumb a{color:#fff}

/* ---------- Footer ---------- */
.rw-footer{background:#0b1220;color:#94a3b8;padding:3rem 0 0}
.rw-footer h5{color:#fff;font-family:var(--rw-sans);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem}
.rw-footer a{color:#cbd5e1;font-size:.9rem;display:inline-block;padding:.2rem 0}
.rw-footer a:hover{color:#fff}
.rw-footer .brand{font-family:var(--rw-serif);font-size:1.4rem;color:#fff}
.rw-footer .brand b{color:#60a5fa}
.rw-footer-bottom{border-top:1px solid #1e293b;margin-top:2rem;padding:1.1rem 0;font-size:.82rem;color:#64748b}
.rw-social a{width:36px;height:36px;border-radius:9px;background:#1e293b;display:inline-grid;place-items:center;margin-right:.4rem;color:#cbd5e1}
.rw-social a:hover{background:var(--rw-primary);color:#fff}

/* ---------- Search suggest ---------- */
.rw-suggest{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--rw-line);border-radius:10px;box-shadow:0 20px 40px -20px rgba(15,23,42,.4);z-index:60;overflow:hidden;display:none}
.rw-suggest a{display:block;padding:.6rem .9rem;border-bottom:1px solid var(--rw-line);color:var(--rw-ink)}
.rw-suggest a:hover{background:var(--rw-bg)}
.rw-suggest a small{color:var(--rw-muted);display:block}

/* ---------- Misc ---------- */
.rw-empty{text-align:center;padding:3rem 1rem;color:var(--rw-muted)}
.rw-empty i{font-size:2.6rem;color:var(--rw-line);display:block;margin-bottom:.6rem}
.rw-pager .page-link{color:var(--rw-primary);border-radius:8px!important;margin:0 3px;border-color:var(--rw-line)}
.rw-pager .page-item.active .page-link{background:var(--rw-primary);border-color:var(--rw-primary)}
.divider-line{height:1px;background:var(--rw-line);margin:2.4rem 0}

/* ---------- Dark mode ---------- */
[data-theme="dark"]{
  --rw-ink:#e8edf5;--rw-body:#c3ccd9;--rw-muted:#8b97a8;
  --rw-line:#232b3a;--rw-bg:#0c111b;--rw-card:#141b28;
}
[data-theme="dark"] body{background:var(--rw-bg);color:var(--rw-body)}
[data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3,[data-theme="dark"] h4,[data-theme="dark"] h5{color:var(--rw-ink)}
[data-theme="dark"] .rw-header{background:#111827;border-bottom-color:var(--rw-line)}
[data-theme="dark"] .rw-logo .name{color:var(--rw-ink)}
[data-theme="dark"] .rw-header .form-control,
[data-theme="dark"] .rw-header .input-group-text{background:#1b2333;border-color:var(--rw-line);color:var(--rw-body)}
[data-theme="dark"] .rw-ticker{background:#111827;border-bottom-color:var(--rw-line)}
[data-theme="dark"] .rw-ticker .track ul li a{color:var(--rw-ink)}
[data-theme="dark"] .rw-card,[data-theme="dark"] .rw-widget,[data-theme="dark"] .rw-article,
[data-theme="dark"] .rw-authorbox,[data-theme="dark"] .rw-field{background:var(--rw-card);border-color:var(--rw-line)}
[data-theme="dark"] .rw-card h3 a,[data-theme="dark"] .rw-hcard h4 a,[data-theme="dark"] .rw-rank h4 a,
[data-theme="dark"] .rw-field .nm{color:var(--rw-ink)}
[data-theme="dark"] .rw-article-body{color:var(--rw-body)}
[data-theme="dark"] .rw-tagcloud a{background:#1b2333;border-color:var(--rw-line);color:var(--rw-body)}
[data-theme="dark"] .rw-suggest{background:var(--rw-card);border-color:var(--rw-line)}
[data-theme="dark"] .rw-suggest a{color:var(--rw-ink);border-color:var(--rw-line)}
[data-theme="dark"] .rw-study{background:#132033;border-color:#1e3350}
[data-theme="dark"] .rw-findings{background:#10241c;border-color:#1c4735}
[data-theme="dark"] .rw-findings li{color:#a7e0c6}
[data-theme="dark"] .rw-cite{background:var(--rw-card);border-color:var(--rw-line)}
[data-theme="dark"] .rw-cite pre{background:#0c111b;color:var(--rw-body)}
[data-theme="dark"] .form-control,[data-theme="dark"] .form-select{background:#1b2333;border-color:var(--rw-line);color:var(--rw-body)}
[data-theme="dark"] .form-control::placeholder{color:#5a6678}

@media(max-width:768px){
  .rw-hero-main{min-height:340px}
  .rw-hero-main h1{font-size:1.5rem}
  .rw-article h1{font-size:1.55rem}
  .rw-study dl{grid-template-columns:1fr}
  .rw-study dt{margin-top:.4rem}
}