:root{
  --bg:#fff;
  --text:#111827;
  --muted:#4b5563;
  --link:#1f4ed8;
  --border:#d1d5db;
  --panel:#f6f7f9;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  --serif:Georgia,"Times New Roman",Times,serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --max:1050px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.55}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 14px 18px}

/* header */
/* Freeze header (sticky) */
.header{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;

  padding:14px 0 10px;
  border-bottom:2px solid #111827;
}

/* optional: subtle separation while scrolling */
.header{ box-shadow: 0 1px 0 rgba(0,0,0,.08); }

.header .site-title{font-family:var(--serif);font-size:26px;margin:0}
.header .site-sub{margin:4px 0 0;font-size:13px;color:var(--muted)}
.header .toplinks{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap;font-size:13px}
.header .toplinks a{padding:4px 6px;border-radius:4px}
.header .toplinks a.active{background:var(--panel);border:1px solid var(--border)}


/* layout */
.layout{padding-top:14px;display:grid;grid-template-columns:260px 1fr;gap:18px;align-items:start}
.sidebar{border:1px solid var(--border);background:#fff;padding:12px}
.name{font-family:var(--serif);font-size:20px;margin:0 0 6px}
.role{font-size:12px;color:var(--muted);margin:0 0 10px}

/* photo + contact */
.photo{width:100%;border:1px solid var(--border);background:#fff;margin:8px 0 10px}
.photo img{width:100%;height:auto;display:block}
.contact-block{font-size:12px;color:var(--muted);margin:0 0 10px}
.contact-block b{font-size:13px;color:#111827}
.contact-lines{margin:4px 0 6px}
.contact-icons{display:flex;gap:4px;flex-wrap:wrap;margin-top:4px}
.contact-icon{
  width:24px;height:24px;border-radius:4px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:#fff;text-decoration:none;
}
.contact-icon.cv{background:#0f766e}
.contact-icon.scholar{background:#2563eb}
.contact-icon.rg{background:#047857}
.contact-icon.orcid{background:#84cc16}
.contact-icon.linkedin{background:#0a66c2}

/* left menu */
.nav{display:flex;flex-direction:column;gap:6px;margin:8px 0 0;padding:0;list-style:none}
.nav a{display:block;padding:6px 8px;border-radius:4px;color:#111827}
.nav a.active{background:var(--panel);border:1px solid var(--border)}

/* main */
.main{border:1px solid var(--border);background:#fff;padding:14px 14px 18px}
h2,h3{font-family:var(--serif);font-weight:700;line-height:1.25}
h2{margin:0 0 8px;font-size:20px}
h3{margin:14px 0 8px;font-size:16px}
p{margin:0 0 10px}
ul{margin:0 0 12px 22px}
li{margin:4px 0}
.note{background:var(--panel);border:1px solid var(--border);padding:10px;border-radius:6px;font-size:13px;color:var(--muted)}
.small{font-size:12px;color:var(--muted)}

/* lists/filters */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin:10px 0 12px;padding:10px;background:var(--panel);border:1px solid var(--border);border-radius:6px}
.search{flex:1;min-width:220px}
.search input{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:4px;font-size:13px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--border);background:#fff;padding:6px 10px;border-radius:999px;font-size:12px;cursor:pointer;user-select:none}
.chip.active{background:#111827;border-color:#111827;color:#fff}

.cards{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.card{border:1px solid var(--border);background:#fff;padding:10px;border-radius:6px}
.card b{display:block;margin-bottom:4px}
.meta-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.badge{display:inline-block;font-size:12px;padding:4px 8px;border:1px solid var(--border);border-radius:999px;background:var(--panel);color:var(--muted)}
.btn{display:inline-block;padding:7px 10px;border:1px solid var(--border);border-radius:4px;background:#fff;font-size:12px;color:#111827;cursor:pointer}
.btn:hover{background:var(--panel);text-decoration:none}

/* footer */
.page-footer{margin-top:14px;border-top:1px solid var(--border);padding-top:10px;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;padding:18px}
.modal-backdrop.open{display:block}
.modal{max-width:900px;margin:38px auto;border:1px solid var(--border);background:#fff;border-radius:10px;overflow:hidden}
.modal .head{display:flex;justify-content:space-between;gap:12px;padding:12px 12px 8px;border-bottom:1px solid var(--border)}
.modal .body{padding:12px}

/* Publications (Hadizadeh-style list) */
.pub-section-title{margin-top:0;font-size:22px}
.pub-list{margin:0;padding:0;list-style:none}
.pub-item{display:grid;grid-template-columns:18px 1fr;gap:10px;align-items:start;margin:16px 0}
.pub-check{font-size:14px;line-height:1.2;margin-top:2px}
.pub-authors{font-size:15px;margin-bottom:2px}
.pub-title{margin:2px 0 2px;font-size:18px;line-height:1.25}
.pub-title a{color:#f97316;text-decoration:none;border-bottom:1px solid rgba(249,115,22,.35)}
.pub-title a:hover{text-decoration:none;border-bottom-color:rgba(249,115,22,.85)}
.pub-cite{font-size:15px}
.pub-sep{border:0;border-top:1px solid var(--border);margin:18px 0}

@media (max-width:900px){.layout{grid-template-columns:1fr}}