:root{
  --bg: #fbfaf6;
  --panel: #ffffff;
  --text: #111111;
  --muted: #444444;
  --rule: #d6d2c8;
  --link: #0a3d91;
  --shadow: rgba(0,0,0,0.05);
}

:root[data-theme="dark"]{
  --bg: #0f0f10;
  --panel: #141416;
  --text: #f1f1f1;
  --muted: #bdbdbd;
  --rule: #2a2a2e;
  --link: #8ab4ff;
  --shadow: rgba(0,0,0,0.4);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", Courier, monospace;
  line-height: 1.65;
  letter-spacing: 0.1px;
}

a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; }
code{
  background: color-mix(in srgb, var(--panel) 80%, var(--rule));
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  border: 1px solid var(--rule);
}

.skip-link{
  position: absolute;
  top: 0; left: 0;
  transform: translateY(-120%);
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 0.5rem 0.75rem;
  z-index: 999;
}
.skip-link:focus{ transform: translateY(0); }

.site-header{
  border-bottom: 2px solid var(--rule);
  background: var(--panel);
  box-shadow: 0 8px 24px var(--shadow);
}
.header-top{
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem 1rem 0.75rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.name{
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0.6px;
}
.tagline{
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.theme-toggle{
  border: 1px solid var(--rule);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  width: 42px; height: 42px;
  cursor: pointer;
}
.theme-toggle:hover{ filter: brightness(0.98); }

.nav{
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
}
.nav a{
  border-bottom: 1px dashed transparent;
  padding-bottom: 2px;
}
.nav a:hover{ border-bottom-color: var(--link); }

.container{
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.section{
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.section:last-of-type{ border-bottom: none; }

.intro .lead{
  margin-top: 0;
  font-size: 1.03rem;
}
.meta{
  margin: 1rem 0 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  background: var(--panel);
}
.meta-row{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0.75rem;
  padding: 0.35rem 0;
}
.meta-row + .meta-row{ border-top: 1px dashed var(--rule); }
.meta-label{ color: var(--muted); }
.note{ color: var(--muted); font-size: 0.95rem; }

h2{
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
h3{
  margin: 0.2rem 0 0.5rem;
  font-size: 1.1rem;
}

.paper{
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1rem;
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 1rem;
  background: var(--panel);
}
@media (max-width: 760px){
  .paper{ grid-template-columns: 1fr; }
}
.badge{
  display: inline-block;
  font-size: 0.85rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  margin-bottom: 0.6rem;
  color: var(--muted);
  background: transparent;
}
.thumb{
  height: 160px;
  border: 1px dashed var(--rule);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.thumb-note{
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.paper-links{
  margin: 0.25rem 0 0.5rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}
.paper-links .sep{ color: var(--muted); }
.inline-badge{
  height: 22px;
  vertical-align: middle;
}
.authors{
  margin: 0.5rem 0 0.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.abstract{
  margin: 0;
}

.timeline{
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
}
.timeline li{
  padding: 0.6rem 0;
  border-top: 1px dashed var(--rule);
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 0.9rem;
}
.timeline li:first-child{ border-top: none; }
@media (max-width: 760px){
  .timeline li{ grid-template-columns: 1fr; gap: 0.25rem; }
}
.time{ color: var(--muted); }
.item{ }

.footer{
  padding-top: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media print{
  .theme-toggle, .nav, .skip-link{ display: none !important; }
  body{ background: #fff; }
  .site-header{ box-shadow: none; }
}

.paper-figure{
  width: 100%;
  height: 260px; 
  object-fit: fill;
  border: 1px solid var(--rule);
  border-radius: 12px;
  display: block;
}