:root{
  --bg: #0b0c10;
  --panel: #10131a;
  --text: #e9e9ee;
  --muted: #b7b8c2;
  --line: rgba(255,255,255,.12);
  --accent: #7dd3fc;
  --accent2: #a7f3d0;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#fbfbfd;
    --panel:#ffffff;
    --text:#1b1b1f;
    --muted:#55586b;
    --line: rgba(0,0,0,.10);
    --accent:#0ea5e9;
    --accent2:#10b981;
    --shadow: 0 10px 30px rgba(0,0,0,.08);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  letter-spacing: .1px;
}

.container{
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top:0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 18px;
}
.brand{
  text-decoration:none;
  color: inherit;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand-name{
  font-weight: 750;
  letter-spacing: .2px;
}
.brand-tag{
  font-size: .92rem;
  color: var(--muted);
}
.nav{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.nav-link{
  text-decoration:none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.nav-link:hover{
  color: var(--text);
  border-color: var(--line);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
}
.nav-link.is-active{
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 16%, var(--panel));
}

h1,h2,h3{
  line-height: 1.15;
  letter-spacing: .2px;
}
h1{font-size: clamp(2rem, 2.6vw, 2.6rem); margin: 26px 0 12px;}
h2{font-size: 1.35rem; margin: 26px 0 12px;}
h3{font-size: 1.1rem; margin: 18px 0 8px;}
p{margin: 0 0 12px;}
a{color: var(--accent); text-decoration: none;}
a:hover{text-decoration: underline;}
small{color: var(--muted);}

.hero{
  margin: 26px 0 18px;
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  box-shadow: var(--shadow);
}
.hero-top{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.hero h1{margin-top:0;}
.badges{display:flex; gap:10px; flex-wrap:wrap;}
.badge{
  font-size:.92rem;
  color: var(--muted);
  border:1px solid var(--line);
  padding:6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin-top: 14px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  color: var(--text);
  text-decoration:none;
}
.btn:hover{
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  text-decoration:none;
}
.btn.primary{
  border-color: color-mix(in srgb, var(--accent) 70%, var(--line));
  background: color-mix(in srgb, var(--accent) 18%, var(--panel));
}
.grid{
  display:grid;
  gap: 14px;
  grid-template-columns: repeat(12, 1fr);
  margin-top: 12px;
}
.card{
  grid-column: span 12;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 16px 14px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
}
@media (min-width: 860px){
  .card.third{grid-column: span 4;}
  .card.half{grid-column: span 6;}
}
.card-title{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.kicker{
  color: var(--muted);
  font-size: .95rem;
}
.list{
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.list li{
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.list li:first-child{border-top:none}
.paper-link{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 14px;
}
.paper-link strong{font-weight: 720;}
.paper-meta{
  color: var(--muted);
  font-size: .95rem;
  min-width: 110px;
  text-align: right;
}
.paper-desc{color: var(--muted); margin-top: 6px;}
.tag-row{display:flex; gap:8px; flex-wrap:wrap; margin-top: 10px;}
.tag{
  font-size:.86rem;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}
hr.sep{
  border:0;
  border-top:1px solid var(--line);
  margin: 22px 0;
}
.breadcrumb{
  margin-top: 18px;
  color: var(--muted);
  font-size: .95rem;
}
.paper-header{
  margin: 18px 0 10px;
  padding: 16px 16px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
}
.paper-header h1{margin: 0 0 10px;}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
  color: var(--muted);
}
.meta-row .dot{opacity:.65}
blockquote{
  margin: 14px 0;
  padding: 12px 14px;
  border-left: 3px solid color-mix(in srgb, var(--accent) 70%, var(--line));
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  border-radius: 12px;
  color: var(--muted);
}
.site-footer{
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding: 22px 0;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
}
.footer-inner{display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;}
.footer-note, .footer-links{margin:0; color: var(--muted); font-size: .95rem;}
.footer-links a{color: var(--muted);}
.footer-links a:hover{color: var(--text); text-decoration:none;}

/* Publication articles in index */
.publication{
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.publication:last-child{
  border-bottom: none;
}
.publication h3{
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}
.publication h3 a{
  color: var(--text);
  text-decoration: none;
}
.publication h3 a:hover{
  color: var(--accent);
}
.publication .paper-meta{
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.publication p{
  margin: 0.8rem 0;
  text-align: justify;
  hyphens: auto;
}