/* Force light mode */
:root {
  color-scheme: light;
  --color-bg: #faf8f5;
  --color-surface: #f0ece4;
  --color-border: #d9d3c7;
  --color-text: #2c2825;
  --color-text-muted: #6b6057;
  --color-accent: #7a8c6e;
  --color-accent-warm: #8b6f47;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.navbar-brand {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  text-decoration: none;
}

.navbar-links {
  display: flex;
  gap: 1.75rem;
}

.navbar-links a {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.15s;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--color-accent);
}

.main-content {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.hero {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.hero-photo {
  flex-shrink: 0;
}

.photo-placeholder {
  width: 200px;
  height: 200px;
  background: var(--color-accent-warm);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}

.profile-photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

.hero-text h1 {
  font-size: 2rem;
  font-weight: normal;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.prof-title {
  font-size: 1rem;
  color: var(--color-accent-warm);
  margin-bottom: 0.1rem;
}

.institution {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.bio {
  font-size: 0.95rem;
  color: var(--color-text);
  max-width: 60ch;
  margin-bottom: 1.5rem;
}

.research-areas strong {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.5rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.page-content h1 {
  font-size: 1.75rem;
  font-weight: normal;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.page-content h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--color-text-muted);
  font-family: 'Helvetica Neue', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

.page-content p {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.page-content ul {
  margin: 0 0 1rem 1.25rem;
  font-size: 0.95rem;
}

.page-content li {
  margin-bottom: 0.25rem;
}

.pub-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.pub-tab {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.pub-tab:hover {
  color: var(--color-text);
}

.pub-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pub-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  line-height: 1.5;
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-item .pub-authors {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.pub-item .pub-title {
  font-style: normal;
}

.pub-item .pub-venue {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.pub-item .pub-award {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-accent-warm);
  font-size: 0.72rem;
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin-left: 0.3rem;
}

.footer {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer a {
  color: var(--color-accent);
  text-decoration: none;
}

@media (max-width: 640px) {
  .navbar {
    padding: 0 1rem;
  }
  .navbar-brand {
    font-size: 0.7rem;
  }
  .hero {
    flex-direction: column;
  }
  .photo-placeholder {
    width: 140px;
    height: 140px;
    font-size: 1.75rem;
  }
  .main-content {
    padding: 2rem 1rem;
  }
}


.pub-links {
  display: inline-block;
  margin-left: 0.4em;
}

.pub-link {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-warm);
  border: 1px solid var(--color-accent-warm);
  border-radius: 3px;
  padding: 0.1em 0.45em;
  text-decoration: none;
  vertical-align: middle;
  line-height: 1.6;
}

.pub-link:hover {
  background: var(--color-accent-warm);
  color: #fff;
}

.pub-section-label {
  display: block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 0.4em;
  padding-top: 0.75rem;
  border-top: 2px solid var(--color-accent);
}