:root {
  color-scheme: light only;
  --button-bg: #f5f5f5;
  --button-fg: #363636;
  --button-hover-bg: #ebebeb;
  --body-fg: #4a4a4a;
  --heading-fg: #222;
  --accent: #2f6fdc;
}

html, body {
  font-family: 'Source Serif Pro', 'Source Serif 4', 'Times New Roman', serif;
  color: var(--body-fg);
  background: #fff;
  line-height: 1.55;
}

code, kbd, samp, pre, .is-mono {
  font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Courier New', monospace;
}

.title, .subtitle, h1, h2, h3, h4 {
  color: var(--heading-fg);
  font-family: 'Source Serif Pro', 'Source Serif 4', 'Times New Roman', serif;
}

.publication-title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.publication-authors {
  color: var(--heading-fg);
  font-weight: 600;
}

.publication-authors .affiliation {
  color: #666;
  font-weight: 400;
  font-size: 0.95em;
}

.correspondence {
  color: #666;
  font-size: 0.95em;
  margin-top: 0.5rem;
}

.correspondence code {
  background: transparent;
  color: #666;
  padding: 0;
}

.publication-links {
  margin-top: 1.2rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.link-button {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.55em 1.1em;
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--button-fg);
  text-decoration: none;
  transition: background 0.15s ease, transform 0.1s ease;
}

.link-button:hover {
  background: var(--button-hover-bg);
  color: var(--button-fg);
}

.link-button:active {
  transform: translateY(1px);
}

.link-button .icon {
  font-size: 1em;
  width: 1em;
  text-align: center;
}

.notice {
  background: #fff8e1;
  border-left: 3px solid #f2b441;
  padding: 0.8rem 1rem;
  border-radius: 4px;
  font-size: 0.95rem;
  color: #6b4f00;
  margin: 1.5rem auto;
  max-width: 720px;
}

section {
  padding: 2.2rem 0;
}

section h2.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.container-narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1rem;
}

.abstract {
  text-align: justify;
}

.tldr {
  background: #f7f9fc;
  border-left: 3px solid var(--accent);
  padding: 0.7rem 1rem;
  border-radius: 4px;
  font-size: 0.95rem;
  margin: 1.4rem auto 0;
  color: #333;
}

.equation {
  text-align: center;
  margin: 1.2rem 0;
  overflow-x: auto;
  font-size: 1.1em;
}

figure.centered {
  margin: 0 auto;
  text-align: center;
}

figure.centered img {
  width: 100%;
  height: auto;
}

figure.centered figcaption {
  font-size: 0.9rem;
  color: #666;
  margin-top: 0.5rem;
  text-align: left;
}

.hero-body {
  padding: 3rem 1.5rem 1.5rem;
  text-align: center;
}

.hero-body .publication-title {
  font-size: 2.1rem;
  line-height: 1.2;
  margin-bottom: 1.4rem;
}

.hero-body .publication-authors {
  font-size: 1.05rem;
}

hr.divider {
  border: none;
  border-top: 1px solid #e5e5e5;
  margin: 0;
}

pre.bibtex {
  background: #f7f7f7;
  border-radius: 6px;
  padding: 1rem 1.2rem;
  font-size: 0.85rem;
  overflow-x: auto;
  color: #333;
}

footer {
  padding: 2rem 1rem;
  text-align: center;
  color: #888;
  font-size: 0.85rem;
}

footer a {
  color: #666;
}

@media (max-width: 640px) {
  .hero-body .publication-title { font-size: 1.55rem; }
  section { padding: 1.6rem 0; }
}