/* ==========================================================================
   Portfolio — cool, quiet, slate + powder blue
   Tokens first; every component below reads from them.
   ========================================================================== */
:root{
  --bg:#F8FAFB;             /* cool near-white (cloud) */
  --paper:#EDF2F5;          /* pale mist: bands, code, chips */
  --ink:#1F2D40;            /* deep naval: headings, strong text */
  --ink-soft:#4A5B6D;       /* slate: body text */
  --ink-faint:#66788A;      /* steel grey: meta, dates */
  --accent:#44688F;         /* dusty steel blue: links, buttons */
  --accent-strong:#2F4E73;  /* naval: hover, code keywords */
  --accent-tint:#E1EBF3;    /* powder blue: chips / highlights */
  --accent-warm:#587880;    /* muted teal-grey (secondary) */
  --accent-2:#2F3E56;       /* deep slate */
  --accent-mist:#A8CAC8;    /* pale sea-glass, decorative only */
  --line:#DCE5EB;
  --line-strong:#C5D2DC;
  --max:1080px;
  --mono-font:'IBM Plex Mono',ui-monospace,monospace;
  --head-font:'Manrope','Inter',system-ui,sans-serif;
  --radius:12px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--accent-tint);color:var(--ink);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
h1,h2,h3{font-family:var(--head-font);color:var(--ink);letter-spacing:-.015em;}

/* ---------- NAV ---------- */
header{
  position:sticky;top:0;left:0;right:0;z-index:50;
  background:rgba(248,250,251,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;height:64px;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.mark{font-family:var(--head-font);font-weight:700;font-size:17px;letter-spacing:-.01em;}
.mark span{color:var(--accent);}
nav.links{display:flex;gap:30px;}
nav.links a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-soft);
  padding:6px 0;transition:color .2s ease;
}
nav.links a::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
nav.links a:hover{color:var(--ink);}
nav.links a:hover::after{transform:scaleX(1);}
nav.links a[aria-current="page"]{color:var(--ink);}
nav.links a[aria-current="page"]::after{transform:scaleX(1);}

.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;padding:8px;
  flex-direction:column;justify-content:center;gap:5px;z-index:60;
}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s ease,opacity .3s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- PAGE HEADER (inner pages) ---------- */
.page-header{max-width:var(--max);margin:0 auto;padding:72px 32px 8px;position:relative;}
.page-header h1{font-weight:700;font-size:clamp(32px,4.2vw,46px);line-height:1.1;margin:0;}
.page-header p.lede{color:var(--ink-soft);font-size:17.5px;max-width:58ch;margin:18px 0 0;}
.page-header p.lede a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.eyebrow{display:none;}               /* labels removed from markup; guard against leftovers */
.header-bg,.hero-bg{display:none;}

/* ---------- BUTTONS ---------- */
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;}
.cta{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:'Inter',sans-serif;font-size:15px;font-weight:600;
  color:#fff;background:var(--accent);border:1px solid var(--accent);
  border-radius:10px;padding:12px 22px;line-height:1.2;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.cta:hover{background:var(--accent-strong);border-color:var(--accent-strong);}
.cta.secondary{color:var(--ink);background:#fff;border-color:var(--line-strong);}
.cta.secondary:hover{border-color:var(--accent);color:var(--accent);background:#fff;}

/* ---------- HERO ---------- */
.hero{
  max-width:var(--max);margin:0 auto;padding:88px 32px 96px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:72px;align-items:center;
}
.hero-text{position:relative;order:1;}
.hero-photo{
  order:2;position:relative;justify-self:end;width:100%;max-width:320px;aspect-ratio:4/5;
  border-radius:24px;background:var(--paper);
}
.hero-photo::before{               /* the one decorative moment: an offset blue plate */
  content:'';position:absolute;inset:16px -16px -16px 16px;border-radius:24px;
  background:var(--accent-tint);z-index:0;
}
.hero-photo img{
  position:relative;z-index:1;width:100%;height:100%;object-fit:cover;display:block;border-radius:24px;
}
.hero-text h1{font-weight:800;font-size:clamp(42px,5.6vw,66px);line-height:1.02;letter-spacing:-.03em;margin:0 0 16px;}
.hero-role{font-size:19px;font-weight:600;color:var(--accent);margin-bottom:20px;letter-spacing:-.005em;}
.hero-bio{max-width:52ch;color:var(--ink-soft);font-size:17.5px;line-height:1.65;margin:0 0 26px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px;}
.tag{
  font-size:13px;font-weight:500;color:var(--accent-strong);background:var(--accent-tint);
  border-radius:999px;padding:6px 14px;
}
@media (prefers-reduced-motion:no-preference){
  @keyframes rise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
  .hero-text{animation:rise .6s var(--ease) both;}
  .hero-photo{animation:rise .6s .12s var(--ease) both;}
}

/* ---------- SECTIONS ---------- */
section{max-width:var(--max);margin:0 auto;padding:48px 32px 60px;}
section.bordered{padding-top:52px;background:linear-gradient(var(--line),var(--line)) center top/calc(100% - 64px) 1px no-repeat;}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:32px;gap:20px;}
.section-head h2{font-weight:700;font-size:27px;margin:0;}

/* ---------- ABOUT / FOCUS ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;}
.about-copy p{color:var(--ink-soft);font-size:16.5px;line-height:1.75;max-width:60ch;margin:0 0 18px;}
.focus-list{display:flex;flex-direction:column;gap:22px;}
.focus-list .focus-item{border-left:2px solid var(--accent-tint);padding-left:18px;transition:border-color .2s ease;}
.focus-list .focus-item:hover{border-color:var(--accent);}
.focus-grid-3{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.focus-grid-3 .focus-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 26px 28px;
  transition:border-color .2s ease;
}
.focus-grid-3 .focus-item:hover{border-color:var(--accent);}
.focus-item h3{font-weight:700;font-size:18px;margin:0 0 8px;}
.focus-item p{margin:0;color:var(--ink-soft);font-size:15px;line-height:1.65;}

/* ---------- TIMELINE ---------- */
.timeline{display:flex;flex-direction:column;}
.t-row{display:grid;grid-template-columns:170px 1fr;gap:28px;padding:24px 0;border-top:1px solid var(--line);}
.t-row:first-child{border-top:none;padding-top:0;}
.t-year{font-size:14px;color:var(--ink-faint);padding-top:3px;font-variant-numeric:tabular-nums;}
.t-role{font-family:var(--head-font);font-weight:700;font-size:19px;letter-spacing:-.01em;margin:0 0 3px;}
.t-org{font-size:15px;font-weight:500;color:var(--accent);margin-bottom:8px;}
.t-desc{color:var(--ink-soft);font-size:15px;line-height:1.7;max-width:64ch;margin:0;}

/* ---------- SKILLS ---------- */
.skill-row{display:flex;flex-wrap:wrap;gap:8px;}
.skill-row span{
  font-size:14px;color:var(--ink-soft);background:var(--paper);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}

/* ---------- PROJECTS ---------- */
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.proj-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:28px;transition:border-color .2s ease;
}
.proj-card:hover{border-color:var(--accent);}
.proj-num{display:none;}
.proj-card h3{font-weight:700;font-size:20px;margin:0 0 10px;}
.proj-card p{color:var(--ink-soft);font-size:15px;line-height:1.65;margin:0 0 18px;}
.proj-tags{display:flex;flex-wrap:wrap;gap:6px;margin:auto 0 18px;padding-top:0;}
.proj-tags span{font-size:12.5px;font-weight:500;color:var(--ink-soft);background:var(--paper);border-radius:6px;padding:3px 9px;}
.proj-link{font-size:14.5px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.proj-link:hover{color:var(--accent-strong);text-decoration:underline;text-underline-offset:3px;}
.proj-card p{flex:0 0 auto;}

/* ---------- PUBLICATIONS ---------- */
.pub-list{display:flex;flex-direction:column;}
.pub{padding:26px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:start;}
.pub:first-child{border-top:none;padding-top:0;}
.pub-title{font-family:var(--head-font);font-weight:700;font-size:19px;line-height:1.35;letter-spacing:-.01em;margin:0 0 6px;}
.pub-meta{font-size:14px;color:var(--ink-faint);margin-bottom:14px;}
.pub-year{font-size:14px;color:var(--ink-faint);white-space:nowrap;}
.pub-actions{display:flex;flex-wrap:wrap;gap:8px;}
.pub-actions a,.abs-toggle{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink-soft);background:#fff;
  border:1px solid var(--line-strong);padding:6px 13px;border-radius:999px;cursor:pointer;
  font-family:'Inter',sans-serif;font-size:13px;font-weight:500;transition:all .15s ease;
}
.pub-actions a:hover,.abs-toggle:hover{color:var(--accent);border-color:var(--accent);}
.abs-toggle.is-active{background:var(--accent-tint);color:var(--accent-strong);border-color:var(--accent-tint);}
.abs-toggle i{transition:transform .2s ease;font-size:10px;}
.abs-toggle.is-active i{transform:rotate(180deg);}
.abs-collapse{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease);}
.abs-collapse.open{grid-template-rows:1fr;}
.abs-collapse-inner{overflow:hidden;}
.abs-body{margin-top:14px;padding:16px 18px;background:var(--paper);border-radius:10px;font-size:14.5px;line-height:1.7;color:var(--ink-soft);}
.bib-block{position:relative;margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;}
.bib-topbar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--paper);border-bottom:1px solid var(--line);}
.bib-topbar .fname{font-family:var(--mono-font);font-size:12px;color:var(--ink-faint);}
.bib-copy{
  margin-left:auto;display:flex;align-items:center;gap:5px;font-size:12px;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line-strong);border-radius:999px;padding:4px 11px;cursor:pointer;transition:all .15s ease;
}
.bib-copy:hover,.bib-copy.copied{color:var(--accent);border-color:var(--accent);}
.bib-body{margin:0;padding:14px 16px;font-family:var(--mono-font);font-size:12.5px;line-height:1.7;color:var(--accent-2);white-space:pre;overflow-x:auto;}

/* ---------- CONTACT ---------- */
.contact-block{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:36px;}
.contact-block h2{font-weight:700;font-size:clamp(24px,3vw,32px);line-height:1.25;max-width:24ch;margin:0;}
.contact-links{display:flex;flex-direction:column;gap:12px;}
.contact-links a{font-size:16px;font-weight:500;color:var(--accent);word-break:break-all;}
.contact-links a:hover{color:var(--accent-strong);text-decoration:underline;text-underline-offset:3px;}

/* ---------- FOOTER ---------- */
.footer-contact{
  max-width:calc(var(--max) - 64px);margin:8px auto 56px;padding:34px 40px;
  background:var(--paper);border-radius:18px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;
}
.footer-contact p{font-family:var(--head-font);font-weight:700;font-size:20px;letter-spacing:-.01em;margin:0;max-width:34ch;}
footer.site-footer{
  max-width:var(--max);margin:0 auto;padding:26px 32px 48px;background:linear-gradient(var(--line),var(--line)) center top/calc(100% - 64px) 1px no-repeat;
  display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-faint);
}

/* ---------- REVEAL (kept simple: content is always visible) ---------- */
.reveal{opacity:1;transform:none;}

/* ---------- BACK TO TOP ---------- */
.to-top{
  position:fixed;bottom:26px;right:26px;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line-strong);background:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;z-index:60;
  transition:opacity .25s ease,transform .25s ease,border-color .2s ease;
}
.to-top.visible{opacity:1;transform:none;pointer-events:auto;}
.to-top:hover{border-color:var(--accent);}
.to-top svg{width:15px;height:15px;stroke:var(--ink-soft);transition:stroke .2s ease;}
.to-top:hover svg{stroke:var(--accent);}

/* ---------- CV SECTION DOCK ---------- */
.cv-dock{position:fixed;top:50%;right:24px;transform:translateY(-50%);z-index:61;opacity:0;pointer-events:none;transition:opacity .3s ease;}
.cv-dock.visible{opacity:1;pointer-events:auto;}
.cv-dock-rail{
  display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 7px;border-radius:999px;width:max-content;
  background:#fff;border:1px solid var(--line);box-shadow:0 4px 18px rgba(31,45,64,.06);
}
.cv-dock-pill{
  position:relative;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
  color:var(--ink-faint);background:transparent;transition:background .2s ease,color .2s ease;flex-shrink:0;
}
.cv-dock-icon{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px;}
.cv-dock-pill:hover,.cv-dock-pill.is-active{background:var(--accent-tint);color:var(--accent);}
.cv-dock-label{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(4px);
  background:var(--ink);color:#fff;border-radius:8px;font-size:12.5px;font-weight:500;white-space:nowrap;
  padding:5px 11px;opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;
}
@media (hover:hover) and (pointer:fine){
  .cv-dock-pill:hover .cv-dock-label{opacity:1;transform:translateY(-50%) translateX(0);}
}
.cv-dock-close{
  display:flex;align-items:center;justify-content:center;width:26px;height:26px;margin-bottom:2px;border-radius:50%;
  border:none;background:transparent;color:var(--ink-faint);font-size:12px;cursor:pointer;transition:background .2s ease,color .2s ease;
}
.cv-dock-close:hover{background:var(--paper);color:var(--ink);}
.cv-dock.collapsed .cv-dock-rail{display:none;}
.cv-dock-handle{
  display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:0 4px 18px rgba(31,45,64,.06);
  color:var(--ink-soft);font-size:14px;cursor:pointer;transition:color .2s ease;
}
.cv-dock-handle:hover{color:var(--accent);}
.cv-dock.collapsed .cv-dock-handle{display:flex;}
.cv-dock-handle[hidden]{display:none;}
@media (prefers-reduced-motion:no-preference){
  @keyframes cvDockSlideIn{from{transform:translateX(18px);opacity:0;}to{transform:translateX(0);opacity:1;}}
  @keyframes cvDockSlideOut{from{transform:translateX(0);opacity:1;}to{transform:translateX(18px);opacity:0;}}
  .cv-dock-rail.slide-in,.cv-dock-handle.slide-in{animation:cvDockSlideIn .3s cubic-bezier(.2,.8,.2,1) both;}
  .cv-dock-rail.slide-out,.cv-dock-handle.slide-out{animation:cvDockSlideOut .22s cubic-bezier(.6,0,.8,.2) both;}
}
@media (max-width:1180px), (max-height:480px){ .cv-dock{display:none;} }
section[id]{scroll-margin-top:84px;}

/* ---------- NEWS ---------- */
.news-list{display:flex;flex-direction:column;}
.news-row{display:grid;grid-template-columns:140px 1fr;gap:28px;padding:22px 0;border-top:1px solid var(--line);}
.news-row:first-child{border-top:none;padding-top:0;}
.news-date{font-size:14px;color:var(--ink-faint);padding-top:2px;white-space:nowrap;}
.news-body{color:var(--ink-soft);font-size:16px;line-height:1.7;max-width:64ch;margin:0;}
.news-body strong{color:var(--ink);font-weight:600;}
.news-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero{gap:48px;padding-top:64px;padding-bottom:72px;}
  section{padding-top:48px;padding-bottom:60px;}
  .focus-grid-3{grid-template-columns:1fr 1fr;}
}
@media (max-width:800px){
  .nav-toggle{display:flex;}
  nav.links{
    position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    max-height:0;overflow:hidden;border-bottom:1px solid var(--line);transition:max-height .35s ease;
  }
  nav.links.open{max-height:420px;}
  nav.links a{padding:16px 32px;border-top:1px solid var(--line);}
  nav.links a:first-child{border-top:none;}
  nav.links a::after{display:none;}
  .hero{grid-template-columns:1fr;padding-top:40px;gap:36px;}
  .hero-photo{order:-1;justify-self:start;max-width:200px;}
  .about-grid{grid-template-columns:1fr;gap:36px;}
  .focus-grid-3{grid-template-columns:1fr;}
  .proj-grid{grid-template-columns:1fr;}
  .news-row{grid-template-columns:110px 1fr;gap:16px;}
  .footer-contact{margin-left:20px;margin-right:20px;padding:28px 24px;}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  .nav-inner{padding:0 20px;}
  nav.links a{padding:16px 20px;}
  .page-header{padding:52px 20px 4px;}
  .hero{padding:28px 20px 56px;}
  .hero-role{font-size:17px;}
  .hero-bio{font-size:16px;}
  section{padding:36px 20px 48px;}
  section.bordered{background-size:calc(100% - 40px) 1px;padding-top:44px;}
  footer.site-footer{background-size:calc(100% - 40px) 1px;}
  .section-head h2{font-size:23px;}
  .t-row{grid-template-columns:1fr;gap:6px;}
  .news-row{grid-template-columns:1fr;gap:4px;}
  .pub{grid-template-columns:1fr;}
  .proj-card{padding:22px;}
  footer.site-footer{padding:22px 20px 40px;}
  .to-top{bottom:18px;right:18px;width:40px;height:40px;}
}

/* ==========================================================================
   PROJECT / RESEARCH DETAIL PAGES
   ========================================================================== */
.back-link{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--ink-soft);max-width:720px;margin:0 auto 26px;transition:color .2s ease;}
.back-link:hover{color:var(--accent);}
.research-hero{max-width:720px;margin:0 auto 24px;text-align:left;}
.research-hero h1{font-weight:700;font-size:clamp(30px,4.2vw,42px);line-height:1.12;margin:0 0 12px;}
.research-subtitle{color:var(--ink-soft);font-size:17.5px;line-height:1.6;margin:0 0 18px;max-width:60ch;}
.research-hero .tags{justify-content:flex-start;margin-bottom:0;}
.proj-status{
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;white-space:nowrap;display:inline-block;margin-bottom:14px;
  background:var(--paper);color:var(--ink-soft);
}
.proj-status.status-active{background:var(--accent-tint);color:var(--accent-strong);}
.research-cover{max-width:900px;margin:0 auto 40px;border-radius:14px;overflow:hidden;border:1px solid var(--line);}
.research-cover img{width:100%;height:auto;display:block;}

.research-body{max-width:720px;margin:36px auto 0;color:var(--ink);font-size:16.5px;line-height:1.78;}
.research-body h2{font-weight:700;font-size:25px;margin:48px 0 14px;position:relative;}
.research-body h2:first-child{margin-top:0;}
.research-body h3{font-weight:700;font-size:19px;margin:32px 0 10px;position:relative;}
.research-body p{margin:0 0 16px;color:var(--ink-soft);}
.research-body strong{color:var(--ink);font-weight:600;}
.research-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.research-body ul,.research-body ol{margin:0 0 16px 22px;color:var(--ink-soft);}
.research-body li{margin-bottom:6px;}
.research-body blockquote{border-left:3px solid var(--accent-tint);padding:2px 0 2px 18px;margin:22px 0;color:var(--ink-soft);}
.research-body code{font-family:var(--mono-font);font-size:13.5px;background:var(--paper);padding:2px 6px;border-radius:5px;color:var(--accent-2);}
.research-body pre{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;overflow-x:auto;margin:20px 0;}
.research-body pre code{background:none;padding:0;color:var(--ink);}

/* syntax highlighting (blue / slate family) */
.research-body .highlighter-rouge{margin:20px 0;position:relative;}
.research-body .highlighter-rouge pre{margin:0;}
.research-body .highlighter-rouge .highlight{background:none;}
.code-copy{
  position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:12px;background:#fff;border:1px solid var(--line-strong);color:var(--ink-faint);cursor:pointer;opacity:0;
  transition:opacity .15s ease,color .15s ease,border-color .15s ease;
}
.research-body .highlighter-rouge:hover .code-copy{opacity:1;}
.code-copy:hover,.code-copy.copied{color:var(--accent);border-color:var(--accent);opacity:1;}
.code-copy.copy-failed{opacity:1;color:#9A5560;border-color:#9A5560;}
@media (hover:none){.code-copy{opacity:1;}}
.research-body .highlight .k,.research-body .highlight .kn,.research-body .highlight .kd,.research-body .highlight .kc,
.research-body .highlight .kp,.research-body .highlight .kr,.research-body .highlight .kt{color:var(--accent-strong);font-weight:600;}
.research-body .highlight .s,.research-body .highlight .s1,.research-body .highlight .s2,.research-body .highlight .sb,
.research-body .highlight .sc,.research-body .highlight .sd,.research-body .highlight .se,.research-body .highlight .sh,
.research-body .highlight .si,.research-body .highlight .sx,.research-body .highlight .sr,.research-body .highlight .ss{color:#3C7A8A;}
.research-body .highlight .c,.research-body .highlight .c1,.research-body .highlight .cm,.research-body .highlight .cp,
.research-body .highlight .cs{color:var(--ink-faint);font-style:italic;}
.research-body .highlight .m,.research-body .highlight .mf,.research-body .highlight .mi,.research-body .highlight .mo,
.research-body .highlight .mh,.research-body .highlight .il{color:var(--accent);}
.research-body .highlight .nf,.research-body .highlight .nc,.research-body .highlight .nn{color:var(--accent-2);}
.research-body .highlight .nb,.research-body .highlight .bp,.research-body .highlight .nv,.research-body .highlight .vc,
.research-body .highlight .vg,.research-body .highlight .vi{color:var(--ink);}
.research-body .highlight .o,.research-body .highlight .ow{color:var(--ink-soft);}
.research-body .highlight .err{color:#9A5560;}
.research-body .highlight .gd{color:#9A5560;background:rgba(154,85,96,.1);}
.research-body .highlight .gi{color:#3A7D7A;background:rgba(58,125,122,.1);}

/* tables */
.research-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px;}
.research-body th,.research-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.research-body th{background:var(--paper);color:var(--ink);font-family:var(--head-font);font-weight:700;font-size:13.5px;border-bottom:1px solid var(--line-strong);}
.research-body td{color:var(--ink-soft);}

/* images, figures, diagrams, pseudocode, media */
.research-body img{max-width:100%;height:auto;border-radius:8px;display:block;margin:20px auto;}
.research-figure{margin:28px 0;}
.research-figure img{max-width:100%;border-radius:10px;border:1px solid var(--line);display:block;margin:0 auto;}
.research-figure figcaption{text-align:center;font-size:13.5px;color:var(--ink-faint);margin-top:10px;}
.mermaid-holder{margin:24px 0;display:flex;justify-content:center;overflow-x:auto;padding:16px 0;background:var(--paper);border-radius:var(--radius);}
.mermaid-holder svg{max-width:100%;height:auto;min-width:0;}
.mermaid-holder{padding:24px 12px;}
.mermaid-error{font-size:13.5px;color:var(--ink-faint);background:var(--paper);border-radius:var(--radius);padding:14px 16px;text-align:center;}
pre[id^="pseudocode-"]{margin:24px 0;padding:18px 20px;overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);font-size:14px;}
pre[id^="pseudocode-"] *{color:inherit;}
.research-body video{width:100%;max-width:100%;border-radius:var(--radius);border:1px solid var(--line);display:block;margin:24px auto;background:#000;}
.research-body audio{width:100%;display:block;margin:20px auto;border-radius:30px;}
.research-video{position:relative;width:100%;aspect-ratio:16/9;margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#000;}
.research-video iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;}

/* code tabs */
.code-tabs{margin:24px 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.code-tabs-nav{display:flex;flex-wrap:wrap;background:var(--paper);border-bottom:1px solid var(--line);}
.code-tab-btn{font-family:'Inter',sans-serif;font-size:13.5px;font-weight:500;color:var(--ink-soft);background:none;border:none;padding:10px 16px;cursor:pointer;border-bottom:2px solid transparent;transition:color .15s ease,border-color .15s ease;}
.code-tab-btn:hover{color:var(--ink);}
.code-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);}
.code-tabs-panel{display:none;}
.code-tabs-panel.active{display:block;}
.code-tabs-panel .highlighter-rouge{margin:0;border:none;border-radius:0;}

/* math */
.research-body .katex{color:inherit;font-size:1.05em;}
.research-body .katex-display{overflow-x:auto;overflow-y:hidden;padding:8px 0;}
.math-block{overflow-x:auto;}

/* links row (code / demo / paper) */
.research-links{display:flex;justify-content:flex-start;gap:12px;flex-wrap:wrap;max-width:720px;margin:44px auto 0;padding-top:28px;border-top:1px solid var(--line);}
.research-links a{
  font-size:14.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line-strong);border-radius:10px;padding:10px 18px;transition:all .2s ease;
}
.research-links a:hover{color:var(--accent);border-color:var(--accent);}

/* footnotes, heading anchors */
.research-body sup.footnote{font-size:11px;margin-left:1px;}
.research-body sup.footnote a{color:var(--accent);text-decoration:none;font-weight:600;}
.research-body .footnotes{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-soft);}
.research-body .footnotes ol{margin-left:18px;}
.research-body .footnotes li{margin-bottom:8px;}
.research-body .footnotes a.reversefootnote{color:var(--accent);text-decoration:none;margin-left:4px;}
.research-body .heading-anchor{opacity:0;margin-left:8px;font-weight:400;color:var(--ink-faint);text-decoration:none;font-size:.8em;transition:opacity .15s ease,color .15s ease;}
.research-body h2:hover .heading-anchor,.research-body h3:hover .heading-anchor{opacity:1;}
.research-body .heading-anchor:hover{color:var(--accent);}

@media (max-width:640px){
  .research-hero h1{font-size:28px;}
  .research-subtitle{font-size:16px;}
  .research-body{font-size:15.5px;}
  .research-body h2{font-size:21px;margin:34px 0 12px;}
  .research-body h3{font-size:17px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;transition-duration:.01ms !important;}
}

.hero-alias{font-size:17px;color:var(--ink-faint);margin:-8px 0 14px;font-weight:500;letter-spacing:.01em;}
.cert-list{max-width:var(--max);}
.cert-link{color:var(--accent);font-size:14px;margin-left:10px;border-bottom:1px solid var(--line-strong);}
.cert-link:hover{color:var(--accent-strong);}

.t-links{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:8px;}
.t-links a{font-size:13.5px;color:var(--accent);border-bottom:1px solid var(--line-strong);padding-bottom:1px;}
.t-links a:hover{color:var(--accent-strong);border-color:var(--accent-strong);}