:root {
  color-scheme: light;
  --page: #f3f6fa;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --ink: #172033;
  --muted: #5d687b;
  --faint: #7b8799;
  --line: #dfe5ee;
  --line-strong: #cbd4e1;
  --navy: #0b315d;
  --blue: #086da7;
  --blue-soft: #e8f2f8;
  --accent: #da9b1b;
  --shadow: 0 18px 55px rgba(25, 45, 78, 0.08);
  --card-shadow: 0 8px 28px rgba(25, 45, 78, 0.06);
  --font-sans: "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", sans-serif;
  --font-display: ui-serif, "New York", "Iowan Old Style", Baskerville, "Times New Roman", serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d1420;
  --surface: #141e2c;
  --surface-soft: #192536;
  --ink: #eef4fb;
  --muted: #b4c0cf;
  --faint: #93a2b4;
  --line: #2b394a;
  --line-strong: #3d4d60;
  --navy: #e9f4ff;
  --blue: #72c2ee;
  --blue-soft: #18354a;
  --accent: #f3bb4d;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.22);
  --card-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(8, 109, 167, 0.09), transparent 28rem),
    var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 65%, transparent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--navy);
  color: var(--surface);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  display: grid;
  grid-template-columns: minmax(240px, 290px) minmax(0, 820px);
  gap: clamp(34px, 5vw, 76px);
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.profile-panel {
  min-width: 0;
}

.profile-card {
  position: sticky;
  top: 32px;
  padding: 28px;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.avatar-link {
  display: inline-flex;
  overflow: hidden;
  width: 112px;
  height: 112px;
  margin-bottom: 22px;
  border: 4px solid var(--surface);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(19, 55, 91, 0.16);
}

.avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
}

.profile-kicker,
.section-kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  line-height: 1.3;
  text-transform: uppercase;
}

.profile-card h1 {
  margin: 0;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.15vw, 2.5rem);
  font-optical-sizing: auto;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}

.profile-position {
  margin: 12px 0 0;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 650;
}

.profile-affiliation {
  display: inline-block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.profile-affiliation:hover {
  color: var(--blue);
}

.profile-tagline {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.58;
}

.profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.profile-actions a,
.publication-actions a,
.publication-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 680;
  line-height: 1;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, transform 160ms ease, background 160ms ease;
}

.profile-actions a:hover,
.publication-actions a:hover,
.publication-actions button:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
  transform: translateY(-1px);
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.section-nav a {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 9px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 630;
  text-decoration: none;
}

.section-nav a:hover,
.section-nav a.is-current {
  background: var(--blue-soft);
  color: var(--blue);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  margin-top: 10px;
  padding: 7px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 650;
}

.theme-toggle:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.theme-icon {
  font-size: 1.1rem;
}

.main-content {
  min-width: 0;
  padding: 18px 0 0;
}

.content-section {
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
}

.content-section:first-child {
  padding-top: 10px;
}

.content-section h2 {
  margin: 0 0 20px;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.4rem);
  font-optical-sizing: auto;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
  text-wrap: balance;
}

.content-section p {
  color: var(--muted);
}

.content-section p:last-child {
  margin-bottom: 0;
}

.content-section .lead {
  margin-top: 0;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.72;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-heading-row h2 {
  margin-bottom: 0;
}

.text-link {
  flex: none;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.highlight-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--card-shadow);
}

.highlight-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 13px 18px;
  color: var(--ink);
  text-decoration: none;
  transition: background 160ms ease;
}

.highlight-item + .highlight-item {
  border-top: 1px solid var(--line);
}

.highlight-item:hover {
  background: var(--surface-soft);
}

.highlight-item time {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 750;
}

.highlight-item strong {
  color: var(--navy);
}

.highlight-arrow {
  color: var(--faint);
  transition: transform 160ms ease;
}

.highlight-item:hover .highlight-arrow {
  transform: translate(2px, -2px);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.research-card {
  min-height: 198px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--card-shadow);
}

.research-index {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.research-card h3 {
  margin: 36px 0 10px;
  color: var(--navy);
  font-size: 1rem;
  line-height: 1.35;
}

.research-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.58;
}

.publications-section {
  border-bottom: 0;
}

.publication-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 10px;
}

.filter-button {
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
}

.filter-button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.filter-button.is-active {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--surface);
}

:root[data-theme="dark"] .filter-button.is-active {
  color: var(--page);
}

.filter-summary {
  margin: 0 0 18px;
  color: var(--faint) !important;
  font-size: 0.78rem;
}

.publication-expand {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin: 18px auto 0;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
}

.js-ready .publication-expand:not([hidden]) {
  display: inline-flex;
}

.publication-expand:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}

.bibliography {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-item[hidden] {
  display: none;
}

.publication-card {
  display: grid;
  grid-template-columns: minmax(190px, 31%) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.publication-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 14px 38px rgba(25, 45, 78, 0.1);
  transform: translateY(-2px);
}

.publication-media {
  position: relative;
  display: block;
  min-height: 100%;
  overflow: hidden;
  background: #e7edf4;
}

.publication-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 192px;
  object-fit: cover;
  transition: transform 260ms ease;
}

.publication-card:hover .publication-media img {
  transform: scale(1.025);
}

.venue-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(7, 42, 78, 0.92);
  color: #ffffff;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.publication-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px 22px;
}

.publication-body h3 {
  margin: 0 0 9px;
  font-size: 1.03rem;
  line-height: 1.38;
  letter-spacing: -0.012em;
}

.publication-body h3 a {
  color: var(--navy);
  text-decoration: none;
}

.publication-body h3 a:hover {
  color: var(--blue);
}

.publication-authors,
.publication-venue {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.55;
}

.publication-authors strong {
  color: var(--ink);
  font-weight: 750;
}

.publication-venue {
  margin-top: 7px;
  color: var(--faint) !important;
}

.publication-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 16px;
}

.publication-actions a,
.publication-actions button {
  min-height: 34px;
  padding: 6px 10px;
  background: transparent;
  cursor: pointer;
  font-size: 0.7rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 34px;
  color: var(--faint);
  font-size: 0.78rem;
}

.site-footer p {
  margin: 0;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  color: var(--navy);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 30;
  max-width: calc(100% - 32px);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--surface);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
  font-weight: 650;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 940px) {
  .site-shell {
    grid-template-columns: 1fr;
    width: min(780px, calc(100% - 36px));
    gap: 18px;
    padding-top: 24px;
  }

  .profile-card {
    position: static;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .avatar-link {
    grid-row: 1 / span 6;
    margin: 0;
  }

  .profile-actions,
  .section-nav,
  .theme-toggle {
    grid-column: 1 / -1;
  }

  .section-nav {
    flex-wrap: wrap;
  }

  .section-nav a {
    padding-inline: 12px;
  }

  .main-content {
    padding-top: 0;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .site-shell {
    width: min(100% - 24px, 620px);
    padding: 12px 0 48px;
  }

  .profile-card {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: 18px;
    padding: 20px;
  }

  .avatar-link {
    width: 84px;
    height: 84px;
    margin: 0;
  }

  .profile-tagline {
    max-width: 32rem;
  }

  .section-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .content-section {
    padding: 32px 4px;
  }

  .content-section:first-child {
    padding-top: 24px;
  }

  .section-heading-row {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }

  .highlight-item {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 10px;
    padding-inline: 14px;
  }

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

  .research-card {
    min-height: 0;
  }

  .research-card h3 {
    margin-top: 18px;
  }

  .publication-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 5px;
    scrollbar-width: none;
  }

  .publication-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-button {
    flex: none;
  }

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

  .publication-media {
    aspect-ratio: 16 / 7.5;
    min-height: 0;
  }

  .publication-media img {
    min-height: 0;
  }

  .publication-body {
    padding: 18px;
  }

  .publication-authors {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .site-footer {
    flex-direction: column;
    gap: 4px;
    padding: 26px 4px 0;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  body {
    background: #ffffff;
    color: #000000;
  }

  .site-shell {
    display: block;
    width: 100%;
    padding: 0;
  }

  .profile-card {
    position: static;
    border: 0;
    box-shadow: none;
  }

  .section-nav,
  .theme-toggle,
  .publication-filters,
  .filter-summary,
  .back-to-top,
  .toast {
    display: none;
  }

  .publication-card,
  .research-card,
  .highlight-list {
    break-inside: avoid;
    box-shadow: none;
  }
}