:root{
  --bg:#0b0f17;
  --bg2:#0f1624;
  --text:#e8eefc;
  --muted:#a8b3cf;
  --border:rgba(255,255,255,0.12);
  --accent:#7c5cff;
  --shadow:0 10px 26px rgba(0,0,0,0.18);
  --radius:16px;
  --maxw:1120px;
  --font:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  --surface:rgba(255,255,255,0.05);
  --surface2:rgba(255,255,255,0.03);
}

[data-theme="light"]{
  --bg:#fbfcff;
  --bg2:#f2f5ff;
  --text:#121826;
  --muted:#4a556d;
  --border:rgba(18,24,38,0.10);
  --shadow:0 10px 26px rgba(18,24,38,0.10);
  --surface:#ffffff;
  --surface2:rgba(18,24,38,0.03);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}

body{
  font-family:var(--font);
  background:radial-gradient(900px 500px at 20% 0%,rgba(124,92,255,0.20),transparent 55%),radial-gradient(900px 500px at 80% 10%,rgba(32,211,255,0.14),transparent 55%),linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--text);
  line-height:1.6;
}

a{color:inherit;text-decoration:none;border-bottom:1px solid transparent;}
a:hover{border-bottom-color:var(--border);}
p{margin:0;}

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

.site-header{padding:14px 0;position:sticky;top:0;z-index:10;backdrop-filter:blur(10px);}
.site-header::before{content:"";position:absolute;inset:0;background:rgba(10,14,22,0.55);border-bottom:1px solid var(--border);z-index:-1;}
[data-theme="light"] .site-header::before{background:rgba(251,252,255,0.78);}

.topbar{display:flex;align-items:center;gap:32px;}
.brand{display:flex;align-items:center;gap:12px;font-weight:650;letter-spacing:0.2px;white-space:nowrap;}
.brand-dot{
  width:34px;height:34px;border-radius:12px;
  background:radial-gradient(18px 18px at 30% 30%,rgba(255,255,255,0.55),transparent 60%),radial-gradient(28px 28px at 70% 20%,rgba(32,211,255,0.65),transparent 65%),radial-gradient(28px 28px at 30% 80%,rgba(124,92,255,0.75),transparent 70%);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}

.topnav{display:flex;align-items:center;gap:28px;flex:1;justify-content:flex-end;flex-wrap:wrap;}
.topnav a{color:var(--muted);padding:10px 0;border-bottom:1px solid transparent;}
.topnav a:hover{color:var(--text);border-bottom-color:var(--border);}

.header-actions{display:flex;align-items:center;}
.btn{padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--surface2);color:var(--text);cursor:pointer;}
.btn:hover{border-color:rgba(32,211,255,0.45);}

.hero{padding:26px 0 8px;}
.hero-grid{display:grid;grid-template-columns:minmax(320px,34%) 1fr;gap:32px;align-items:start;}

.hero-left{display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px;}
.avatar{width:226px;height:226px;border-radius:50%;object-fit:cover;border:1px solid var(--border);box-shadow:var(--shadow);}
.name{margin:0;font-size:36px;line-height:1.12;letter-spacing:0.2px;}

.links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:100%;max-width:460px;margin-top:4px;}
.links a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:4px 8px;
  min-height:32px;
  border:1px solid var(--border);
  border-radius:999px;
  background:transparent;
  white-space:nowrap;
  font-size:16px;
  justify-content:center;
}
.links a:hover{border-color:rgba(124,92,255,0.45);}
.links span{white-space:nowrap;}

.hero-right{display:flex;flex-direction:column;gap:36px;max-width:none;}

.section-title{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:22px;font-weight:650;}
.section-title i{color:var(--accent);font-size:18px;}

.about-text{font-size:16px;line-height:1.7;max-width:none;}
.about-text a{
  color:#1a73e8;
  text-decoration:underline;
  border-bottom:none;
}

.about-text a:hover{
  color:#0c5bdc;
}

.edu-list{display:grid;gap:2px;margin-top:2px;}
.edu-row{display:grid;grid-template-columns:max-content 1fr max-content;gap:22px;align-items:baseline;padding:4px 0;border-bottom:1px solid rgba(255,255,255,0.08);}
[data-theme="light"] .edu-row{border-bottom:1px solid rgba(18,24,38,0.08);}
.edu-row:last-child{border-bottom:none;padding-bottom:0;}
.edu-degree{font-weight:650;white-space:nowrap;}
.edu-place{color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.edu-date{color:var(--muted);white-space:nowrap;font-size:14px;}

.section{padding:36px 0;}
.section.alt{background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.filters{display:flex;gap:10px;align-items:center;}
.input,.select{padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text);outline:none;}
[data-theme="light"] .input,[data-theme="light"] .select{background:#fff;}

.news{display:grid;gap:10px;margin-top:12px;}
.news-item{padding:9px 14px;border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:0 8px 20px rgba(0,0,0,0.08);display:flex;gap:12px;align-items:baseline;}
.news-date{color:var(--muted);font-size:14px;min-width:90px;white-space:nowrap;}
.news-body{min-width:0;}

.pub-list{display:grid;gap:12px;margin-top:14px;}
.pub{padding:14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);display:grid;grid-template-columns:240px 1fr;gap:16px;align-items:start;}
.pub.pub-noimg{grid-template-columns:1fr;}
.pub-media{width:240px;}
.pub-image{width:240px;height:150px;object-fit:contain;object-position:left center;border-radius:12px;border:1px solid var(--border);background:#fff;display:block;}
.pub-content{min-width:0;}
.pub-title{font-weight:750;font-size:18px;line-height:1.25;margin:0;color:var(--text);}
.pub-authors{margin-top:10px;color:var(--text);font-size:16px;}
.pub-authors strong{color:inherit;}
.pub-venue{margin-top:10px;font-size:18px;font-style:italic;color:var(--muted);}
.pub-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.pub-links a{padding:7px 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface2);font-size:16px;}
.pub-links a:hover{border-color:rgba(124,92,255,0.45);}

.footer{padding:28px 0 36px;color:var(--muted);}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:24px;}
  .avatar{width:196px;height:196px;}
  .pub{grid-template-columns:1fr;}
  .pub-media,.pub-image{width:100%;height:180px;}
  .edu-row{grid-template-columns:1fr;gap:4px;}
  .edu-degree,.edu-place,.edu-date{white-space:normal;}
}


@media (max-width:520px){
  .topbar{display:grid;grid-template-columns:1fr auto;grid-template-areas:"brand actions""nav nav";align-items:center;gap:12px;}
  .brand{grid-area:brand;min-width:0;}
  .brand-name{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .header-actions{grid-area:actions;margin-left:0;}
  .topnav{grid-area:nav;width:100%;justify-content:center;gap:16px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px;scrollbar-width:none;}
  .topnav::-webkit-scrollbar{display:none;}
  .topnav a{padding:8px 10px;font-size:15px;}
}