:root{
  --paper:#EEF1F4;
  --card:#FFFFFF;
  --ink:#141A22;
  --muted:#5D6875;
  --rule:#D3DAE1;
  --accent:#0F766E;
  --mark:#C0821F;
  --link-underline:rgba(15,118,110,.30);

  --page-cap:1600px;   /* never wider than this — keeps line length readable */
  --page-fill:86vw;    /* share of the window to use — set by the on-page slider */

  --display:"Sora", ui-sans-serif, system-ui, sans-serif;
  --body:"Public Sans", ui-sans-serif, system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, monospace;
}

/* ---- dark palette (teal accent on slate) ---- */
/* First visit follows the OS setting; the toggle sets data-theme to override. */
:root[data-theme="dark"]{
  --paper:#12161C; --card:#1A212B; --ink:#E7EBF1; --muted:#93A0B0;
  --rule:#29323D; --accent:#4FD1C5; --mark:#E0A83B;
  --link-underline:rgba(79,209,197,.35);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#12161C; --card:#1A212B; --ink:#E7EBF1; --muted:#93A0B0;
    --rule:#29323D; --accent:#4FD1C5; --mark:#E0A83B;
    --link-underline:rgba(79,209,197,.35);
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--link-underline)}
a:hover{border-bottom-color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.page{
  max-width:min(var(--page-cap), var(--page-fill));
  margin:0 auto;
  padding:clamp(28px,6vw,80px) clamp(20px,5vw,48px) 96px;
  display:grid;
  gap:clamp(32px,5vw,64px);
  grid-template-columns:minmax(0,1fr);
}
@media (min-width:900px){
  .page{grid-template-columns:360px minmax(0,1fr);align-items:start}
}
@media (max-width:719px){
  .page{max-width:100%}   /* phones: fill the screen, gutters come from padding */
}

/* ---------- left rail ---------- */
.rail{display:flex;flex-direction:column;gap:34px}
@media (min-width:900px){
  .rail{position:sticky;top:56px}
}

.name{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(2.4rem,5.5vw,3.2rem);
  line-height:.98;
  letter-spacing:-.03em;
  margin:0 0 10px;
}
.role{
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 6px;
}
.place{color:var(--muted);font-size:.95rem;margin:0}

.portrait{
  display:block;
  width:100%;
  max-width:210px;
  aspect-ratio:4/5;
  object-fit:cover;
  object-position:50% 20%;
  border-radius:12px;
  border:1px solid var(--rule);
  margin:0 0 20px;
}

.rail h2{
  font-family:var(--mono);
  font-size:.68rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 12px;
  padding-bottom:8px;
  border-bottom:1px solid var(--rule);
}

.contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;font-size:.95rem}
.contact span{color:var(--muted)}
@media (min-width:900px){.contact .email{white-space:nowrap}}

.tags{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none}
.tags li{
  font-family:var(--mono);
  font-size:.74rem;
  padding:4px 9px;
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:2px;
}

/* ---------- site nav ---------- */
.nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.nav a{
  display:block;
  font-family:var(--mono);
  font-size:.82rem;
  letter-spacing:.02em;
  padding:5px 0;
  border-bottom:0;
  color:var(--ink);
}
.nav a:hover{color:var(--accent)}
.nav a[aria-current="page"]{color:var(--accent)}
.nav a[aria-current="page"]::before{content:"→ ";color:var(--mark)}

/* ---------- main column ---------- */
.main{display:flex;flex-direction:column;gap:clamp(40px,5vw,60px);min-width:0}

.lede{
  font-size:clamp(1.14rem,2.3vw,1.34rem);
  line-height:1.5;
  margin:0;
  max-width:none;
}

.section > h2{
  font-family:var(--mono);
  font-size:.68rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 22px;
  padding-bottom:8px;
  border-bottom:1px solid var(--rule);
}

/* the spine */
.spine{
  list-style:none;
  margin:0;
  padding:0 0 0 24px;
  border-left:1px solid var(--rule);
}
.entry{position:relative;padding:0 0 30px 4px}
.entry:last-child{padding-bottom:0}
.entry::before{
  content:"";
  position:absolute;
  left:-29px;
  top:9px;
  width:9px;height:9px;
  background:var(--paper);
  border:1px solid var(--muted);
  transform:rotate(45deg);
  transition:background .18s ease,border-color .18s ease;
}
.entry:hover::before{background:var(--mark);border-color:var(--mark)}

.when{
  font-family:var(--mono);
  font-size:.76rem;
  color:var(--muted);
  display:block;
  margin-bottom:3px;
}
.what{
  font-family:var(--display);
  font-weight:600;
  font-size:1.18rem;
  letter-spacing:-.01em;
  margin:0;
}
.where{color:var(--muted);font-size:.95rem;margin:0 0 9px}
.entry ul{margin:0;padding-left:18px}
.entry li{margin-bottom:4px}
.entry li::marker{color:var(--mark)}

/* cards */
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:3px;
  padding:16px 18px;
}
.card h3{font-family:var(--display);font-weight:600;font-size:1.02rem;margin:0 0 5px}
.card p{margin:0;font-size:.94rem;color:var(--muted)}
.card .cardstats{margin:11px 0 0;font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.card .cardstats strong{color:var(--accent);font-weight:600}

/* clickable link-cards (used for subpage entry points) */
a.card{display:block;border-bottom:1px solid var(--rule);transition:border-color .18s ease,transform .18s ease}
a.card:hover{border-color:var(--accent);transform:translateY(-2px)}
a.card h3{color:var(--ink)}
a.card .go{font-family:var(--mono);font-size:.72rem;color:var(--accent);margin-top:8px;display:inline-block}

/* publication list */
.pubs{list-style:none;margin:0;padding:0}
.pub{
  padding:16px 0;
  border-top:1px solid var(--rule);
}
.pub:first-child{border-top:0;padding-top:0}
.pub .pubtitle{
  font-family:var(--display);
  font-weight:600;
  font-size:1.08rem;
  letter-spacing:-.01em;
  margin:0 0 4px;
}
.pub .pubauthors{margin:0 0 3px;font-size:.95rem}
.pub .pubauthors .me{color:var(--ink);font-weight:600}
.pub .pubvenue{margin:0;font-size:.92rem;color:var(--muted);font-style:italic}
.publinks{margin:6px 0 0;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.card .publinks{margin-top:10px}

/* per-year timeline groups — publications & theses share the spine + one
   diamond per year, with the papers/theses listed beneath the year label */
.spine .pubs{margin-top:6px}
.spine .pub:first-child{padding-top:2px}
.spine .who{color:var(--muted)}
.spine .entry ul{margin-top:6px}
.spine .entry ul li{margin-bottom:6px;line-height:1.5}
.spine .entry ul a{font-family:var(--mono);font-size:.78rem}
.talknote{font-family:var(--mono);font-size:.72rem;color:var(--accent);white-space:nowrap}

.foot{
  font-family:var(--mono);
  font-size:.72rem;
  color:var(--muted);
  border-top:1px solid var(--rule);
  padding-top:14px;
}

/* on-page controls (bottom-right cluster: theme toggle + width slider) */
.controls{
  position:fixed;
  right:16px;bottom:16px;
  z-index:50;
  display:flex;align-items:center;gap:10px;
}
.theme-toggle{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--card);color:var(--muted);
  border:1px solid var(--rule);
  border-radius:22px;
  padding:8px 14px;
  font-family:var(--mono);
  font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  cursor:pointer;
  box-shadow:0 3px 14px rgba(20,26,34,.10);
}
.theme-toggle:hover{color:var(--ink);border-color:var(--accent)}
.width-ctl{
  display:flex;align-items:center;
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:22px;
  padding:7px 14px;
  box-shadow:0 3px 14px rgba(20,26,34,.10);
}
.width-ctl label{
  display:flex;align-items:center;gap:9px;
  font-family:var(--mono);
  font-size:.66rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
.width-ctl input[type=range]{
  width:118px;height:16px;
  accent-color:var(--accent);
  cursor:pointer;
}
@media (max-width:900px){.width-ctl{display:none}}

/* entrance */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(10px);animation:rise .6s cubic-bezier(.2,.7,.3,1) forwards}
  .reveal:nth-child(1){animation-delay:.02s}
  .reveal:nth-child(2){animation-delay:.10s}
  .reveal:nth-child(3){animation-delay:.18s}
  .reveal:nth-child(4){animation-delay:.26s}
  .reveal:nth-child(5){animation-delay:.34s}
  @keyframes rise{to{opacity:1;transform:none}}
}

/* print / save-as-PDF */
@media print{
  :root{--paper:#fff;--card:#fff;--accent:#000;--muted:#444;--rule:#bbb}
  body{font-size:10.5pt;line-height:1.42}
  .page{display:block;max-width:none;padding:0}
  .rail{position:static;margin-bottom:22px}
  .name{font-size:26pt}
  a{border:0;color:#000}
  .entry,.pub{page-break-inside:avoid}
  .reveal{opacity:1;transform:none;animation:none}
  .nav{display:none}
  .controls{display:none}
}