:root {
  --bg: #fcfcfb;
  --surface: #ffffff;
  --surface-alt: #f5f7f8;
  --header-bg: #fcfcfb;
  --text: #1c2733;
  --muted: #596775;
  --border: #d6dde3;
  --border-strong: #8493a0;
  --link: #1d5274;
  --link-hover: #123b58;
  --button-bg: #1d5274;
  --button-text: #ffffff;
  --button-border: #1d5274;
  --tag-bg: #edf3f7;
  --tag-text: #1d5274;
  --max-width: 980px;
  --radius: 0;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
}

html[data-theme="dark"] {
  --bg: #25282b;
  --surface: #2c3034;
  --surface-alt: #353a3f;
  --header-bg: #25282b;
  --text: #f0f2f4;
  --muted: #c1c7cd;
  --border: #4b5259;
  --border-strong: #858e97;
  --link: #9acced;
  --link-hover: #c7e7f8;
  --button-bg: #8fc7ea;
  --button-text: #25282b;
  --button-border: #8fc7ea;
  --tag-bg: #293b48;
  --tag-text: #c7e7f8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
}

.nav,
main,
footer {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

main.publications-main {
  width: min(1100px, calc(100% - 32px));
}

.nav {
  width: min(980px, calc(100% - 32px));
  min-height: 66px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: underline;
}

.nav-links a[aria-current="page"] {
  color: var(--text);
  font-weight: 700;
}

.theme-toggle {
  min-height: auto;
  border: 0;
  border-radius: var(--radius);
  padding: 4px 0 4px 10px;
  color: var(--muted);
  background: transparent;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 650;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.42fr);
  align-items: start;
  gap: 56px;
  padding: 72px 0 54px;
}

.page-hero {
  max-width: 780px;
  padding: 58px 0 38px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2.3rem, 5vw, 3.55rem);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 600;
}

.page-hero h1 {
  max-width: 780px;
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  line-height: 1.2;
  font-weight: 600;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
  line-height: 1.35;
  font-weight: 650;
}

.lead {
  max-width: 700px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 1.04rem;
}

.academic-affiliation {
  margin-bottom: 22px;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.95rem;
  line-height: 1.55;
}

.button-row,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--button-bg);
  border-radius: var(--radius);
  padding: 8px 13px;
  color: var(--button-text);
  background: var(--button-bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.button.secondary {
  border-color: var(--button-border);
  color: var(--link);
  background: transparent;
}

.button:hover {
  text-decoration: none;
}

.text-link {
  font-weight: 650;
}

.profile-panel,
.card,
.image-panel,
.publication-feature {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.profile-panel {
  display: grid;
  justify-items: start;
}

.profile-meta {
  margin-top: 18px;
  padding: 0 0 0 16px;
  border-left: 2px solid var(--border-strong);
}

.profile-meta p {
  margin-bottom: 15px;
  color: var(--muted);
}

.profile-photo {
  width: min(100%, 210px);
  aspect-ratio: 1;
  display: block;
  border: 1px solid var(--border);
  object-fit: cover;
  object-position: center;
}

strong {
  color: var(--text);
}

.section {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 0.66fr);
  gap: 36px;
  margin-bottom: 24px;
}

.section-heading p,
.card p,
.publication p,
.timeline p,
.feature p {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card {
  min-height: 100%;
  padding: 0 22px;
  border-left: 1px solid var(--border);
}

.card:first-child {
  padding-left: 0;
  border-left: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 8px;
  color: var(--tag-text);
  background: var(--tag-bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 650;
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 1.08fr);
  align-items: center;
  gap: 44px;
}

.publication-feature {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  align-items: start;
  gap: 28px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.publication-record .publication-feature + .publication-feature {
  border-top: 0;
}

.publication-record {
  padding-top: 28px;
}

.publication-record .publication-feature:first-child {
  border-top: 0;
}

.publication-feature p {
  color: var(--muted);
}

.publication-thumb {
  display: block;
  width: 240px;
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
  background: var(--surface-alt);
  transition: border-color 160ms ease;
}

.publication-thumb:hover {
  border-color: var(--link);
}

.publication-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: contain;
}

.publication-thumb-empty {
  aspect-ratio: 4 / 3;
  background: var(--surface-alt);
}

.image-panel {
  padding: 0;
  overflow: hidden;
}

.image-panel img {
  width: 100%;
  display: block;
}

.publication-list,
.timeline {
  display: grid;
  gap: 0;
}

.timeline {
  position: relative;
}

.timeline::before {
  position: absolute;
  top: 31px;
  bottom: 31px;
  left: 141px;
  width: 1px;
  background: var(--border);
  content: "";
}

.publication,
.timeline-entry {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.timeline-entry {
  position: relative;
  border-bottom: 0;
}

.timeline-entry::before {
  position: absolute;
  top: 25px;
  left: 136px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--link);
  content: "";
}

.publication h3,
.timeline-entry h3 {
  margin-bottom: 6px;
}

.publication p,
.timeline-entry p {
  margin-bottom: 0;
}

.education-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px;
  align-items: start;
  gap: 18px;
}

.institution-logo {
  width: 58px;
  height: 52px;
  object-fit: contain;
  object-position: center;
}

.timeline-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.timeline-list li + li {
  margin-top: 4px;
}

.publication:first-child,
.timeline-entry:first-child {
  border-top: 1px solid var(--border);
}

.timeline-entry:first-child {
  border-top: 0;
}

.year {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
}

.section-action {
  margin-top: 18px;
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.profile-icons {
  display: flex;
  gap: 6px;
  margin-top: 18px;
}

.profile-icons a {
  position: relative;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
}

.profile-icons a:hover,
.profile-icons a:focus-visible {
  border-color: var(--link);
  color: var(--link);
  outline: 0;
}

.profile-icons svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.8;
}

.profile-icons a::after {
  position: absolute;
  bottom: calc(100% + 7px);
  left: 50%;
  z-index: 3;
  transform: translateX(-50%);
  padding: 3px 6px;
  color: var(--button-text);
  background: var(--text);
  content: attr(data-tooltip);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  line-height: 1.25;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.profile-icons a:hover::after,
.profile-icons a:focus-visible::after {
  opacity: 1;
}

.calendar-wrap {
  position: relative;
  width: 100%;
  min-height: 520px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.calendar-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(260px, 0.25fr);
  align-items: start;
  gap: 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 24px 0;
  background: transparent;
}

.contact-band p,
.contact-band a {
  color: var(--muted);
}

.contact-band a:hover {
  color: var(--text);
}

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 44px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

@media (max-width: 880px) {
  .nav {
    width: min(100% - 24px, 980px);
    grid-template-columns: 1fr auto;
    padding: 14px 0;
  }

  .theme-toggle {
    grid-column: 2;
    grid-row: 1;
  }

  .nav-links {
    grid-column: 1 / -1;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .section-heading,
  .feature,
  .contact-band,
  .two-column {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 28px;
    padding-top: 48px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .card,
  .card:first-child {
    padding: 18px 0;
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  .nav,
  main,
  main.publications-main,
  footer {
    width: min(100% - 24px, var(--max-width));
  }

  .publication,
  .timeline-entry {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .timeline {
    padding-left: 22px;
  }

  .timeline::before {
    left: 4px;
  }

  .timeline-entry::before {
    top: 24px;
    left: -25px;
  }

  .publication-feature {
    grid-template-columns: 1fr;
  }

  .education-detail {
    grid-template-columns: minmax(0, 1fr) 46px;
    gap: 14px;
  }

  .institution-logo {
    width: 46px;
    height: 42px;
  }

  .publication-thumb {
    width: min(100%, 220px);
  }

  .calendar-wrap {
    min-height: 460px;
  }
}