:root{
  --paper:#FBFBFA;
  --ink:#1A2330;
  --muted:#556170;
  --accent:#1F6C78;
  --accent-dark:#164E57;
  --rule:#D8DEE3;
  --tint:#EDF3F4;
  --serif:"Literata",Georgia,"Times New Roman",serif;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);font-size:1.0625rem;line-height:1.65;
}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--accent-dark);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem;top:1rem}

/* Top navigation bar */
.topbar{
  position:sticky;top:0;z-index:5;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  gap:.5rem 1.5rem;padding:.85rem 1.75rem;
  background:var(--paper);border-bottom:1px solid var(--rule);
}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--ink)}
.brand-name{font-family:var(--serif);font-weight:650;font-size:1.35rem;letter-spacing:-.01em}
.brand:hover .brand-name{color:var(--accent-dark)}
.topbar nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:.15rem;margin:0;padding:0}
.topbar nav a{
  font-family:var(--sans);font-weight:500;font-size:.97rem;color:var(--ink);text-decoration:none;
  display:block;padding:.5rem .85rem;border-radius:.4rem;
}
.topbar nav a:hover{background:var(--tint);color:var(--accent-dark)}
.topbar nav a[aria-current="page"]{background:var(--tint);color:var(--accent-dark);font-weight:600}

.layout{display:grid;grid-template-columns:16.5rem minmax(0,1fr);min-height:calc(100vh - 4rem)}

/* Profile sidebar */
.profile{
  padding:2.5rem 1.5rem 2rem;
  border-right:1px solid var(--rule);
  display:flex;flex-direction:column;align-items:flex-start;gap:1rem;
}
.photo{width:10.5rem;height:13rem;border-radius:.5rem;object-fit:cover;background:var(--tint);display:block}
.role{font-family:var(--sans);font-size:.92rem;line-height:1.45;color:var(--muted);margin:0}
.icons{list-style:none;display:flex;flex-wrap:nowrap;gap:.5rem;margin:2.6rem 0 0;padding:0}
.icons a{
  display:inline-flex;align-items:center;justify-content:center;
  width:2rem;height:2rem;flex:0 0 auto;border-radius:50%;
  background:var(--tint);color:var(--accent);font-size:.92rem;line-height:1;
  text-decoration:none;
}
.icons a:hover{background:var(--accent);color:#fff}

/* Main */
main{padding:3.5rem 3rem 5rem 4rem;max-width:51rem}
h1{font-size:2.1rem;line-height:1.2;font-weight:650;letter-spacing:-.015em;margin:0 0 1.75rem}
h2{font-size:1.3rem;line-height:1.3;font-weight:650;margin:2.75rem 0 1rem;padding-top:1.1rem;border-top:1px solid var(--rule)}
h2:first-of-type{margin-top:2.25rem}
p{margin:0 0 1.1rem}
.lede{font-size:1.2rem;line-height:1.6;max-width:38rem}
.meta{font-family:var(--sans);font-size:.92rem;color:var(--muted)}

/* Paper lists */
.papers{list-style:none;margin:0;padding:0;font-size:.97rem;line-height:1.5}
.papers li{padding:.4rem 0 .4rem .9rem;border-left:3px solid var(--rule);margin:0 0 .5rem}
.papers li.forthcoming{border-left-color:var(--accent)}
.papers .title{font-weight:600;display:block;color:var(--accent)}
.papers .title a{color:var(--accent)}
.papers .title a:hover{color:var(--accent-dark)}
.papers .with,.papers .venue{display:block;font-size:.93rem}
.papers .status{
  display:inline-block;font-family:var(--sans);font-size:.8rem;font-weight:500;
  background:var(--tint);color:var(--accent-dark);padding:0 .5rem;border-radius:.25rem;margin-top:.2rem;
}
.papers .note{display:block;font-size:.85rem;color:var(--muted);margin-top:.2rem}
.papers .pdf-tag{
  display:inline-block;font-family:var(--sans);font-size:.68rem;font-weight:700;letter-spacing:.03em;
  text-transform:uppercase;color:var(--accent-dark);background:var(--tint);
  padding:.05rem .4rem;border-radius:.2rem;margin-left:.45rem;vertical-align:middle;
  text-decoration:none;
}
.papers .pdf-tag:hover{background:var(--accent);color:#fff}

/* Teaching */
.courses{list-style:none;margin:0 0 1rem;padding:0}
.courses li{padding:.55rem 0;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.courses .code{font-family:var(--sans);font-weight:600;color:var(--accent-dark);margin-right:.6rem}
.courses .level{font-family:var(--sans);font-size:.9rem;color:var(--muted)}

/* CV */
.cv-actions{margin:0 0 1.5rem}
.button{
  display:inline-block;font-family:var(--sans);font-weight:600;font-size:1rem;
  background:var(--accent);color:#fff;text-decoration:none;padding:.65rem 1.2rem;border-radius:.3rem;
}
.button:hover{background:var(--accent-dark);color:#fff}
.cv-frame{width:100%;height:80vh;border:1px solid var(--rule);border-radius:.3rem;background:#fff}

footer{font-family:var(--sans);font-size:.85rem;color:var(--muted);margin-top:4rem;padding-top:1rem;border-top:1px solid var(--rule)}

/* Slightly smaller body copy on Home and Teaching (sidebar is unaffected) */
body.compact main h1{font-size:1.95rem}
body.compact main .lede{font-size:1.12rem}
body.compact main p{font-size:.98rem}
body.compact main h2{font-size:1.22rem}
body.compact .courses li{font-size:.98rem}
body.compact .courses .level{font-size:.85rem}

/* Tablet and mobile */
@media (max-width:860px){
  .topbar{padding:.75rem 1.25rem}
  .brand-name{font-size:1.1rem}
  .layout{grid-template-columns:1fr;min-height:0}
  .profile{
    border-right:0;border-bottom:1px solid var(--rule);
    flex-direction:row;align-items:center;flex-wrap:wrap;
    padding:1.25rem;gap:1rem;
  }
  .photo{width:5.5rem;height:7rem}
  .icons{margin:0;width:100%;flex-wrap:wrap}
  main{padding:1.75rem 1.25rem 3.5rem}
  h1{font-size:1.75rem}
  .cv-frame{height:70vh}
}
@media print{
  .topbar,.skip,.cv-actions,.cv-frame{display:none}
  .layout{display:block}
  .profile{border:0;padding:0}
}