:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #6b7280;
  --link: #0056b3;
  --link-underline: #b3cde6;
  --rule: #e5e7eb;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111417;
    --text: #e6e6e6;
    --muted: #9ca3af;
    --link: #7ab3e8;
    --link-underline: #3d5a75;
    --rule: #2a2f36;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  max-width: 42rem;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: var(--link-underline);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s ease;
}

a:hover {
  text-decoration-color: var(--link);
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
}

nav .site-name {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

nav a.active {
  color: var(--text);
  text-decoration: none;
  pointer-events: none;
}

.portrait {
  display: block;
  margin: 0 auto 1.5rem;
  width: 220px;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

h1 {
  font-size: 1.6rem;
  font-weight: 650;
  text-align: center;
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}

.role {
  text-align: center;
  color: var(--muted);
  margin: 0 0 2.25rem;
}

h2 {
  font-size: 1.15rem;
  font-weight: 650;
  margin: 2.5rem 0 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}

/* News list */
.news {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news li {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.news .date {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 0.15rem;
}

/* Contact row */
.contact {
  font-size: 0.95rem;
}

/* Publications */
.pubs {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pubs li {
  margin-bottom: 1.4rem;
}

.pubs li > span {
  display: block;
}

.pub-title {
  font-weight: 600;
}

.pub-authors {
  font-size: 0.92rem;
}

.pub-venue {
  font-size: 0.92rem;
  font-style: italic;
  color: var(--muted);
}

.pub-venue .pub-note {
  font-style: normal;
  font-weight: 600;
}

.pub-links {
  font-family: var(--mono);
  font-size: 0.82rem;
  margin-top: 0.1rem;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--muted);
  font-family: var(--mono);
}

@media (max-width: 480px) {
  body {
    padding-top: 1.5rem;
  }

  nav .site-name {
    width: 100%;
  }

  .portrait {
    width: 180px;
  }

  .news li {
    flex-direction: column;
    gap: 0;
    margin-bottom: 0.9rem;
  }
}