:root {
  color-scheme: light;
  --page: #ffffff;
  --ink: #494e52;
  --muted: #737a7f;
  --line: #e5e7eb;
  --soft-line: #f1f3f5;
  --link: #28599b;
  --link-hover: #9a3d37;
  --accent: #6c7f93;
  --pill-bg: #f4f7fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  letter-spacing: 0;
}

a {
  color: var(--link);
  text-decoration: none;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  border-radius: 4px;
  background: #222;
  color: #fff;
  padding: 0.55rem 0.75rem;
}

.skip-link:focus {
  top: 1rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--soft-line);
  background: #fff;
}

.topbar-inner,
.shell,
.footer {
  width: min(1320px, calc(100% - 64px));
  margin-right: auto;
  margin-left: auto;
}

.topbar-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.2rem 1.9rem;
  min-height: 62px;
  padding: 0.7rem 0;
}

.topbar .brand {
  margin-right: 0.8rem;
  color: #656b70;
  font-weight: 700;
}

.topbar nav a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  color: #7b8186;
  font-size: 0.96rem;
  white-space: nowrap;
}

.topbar nav a:hover,
.topbar nav a:focus-visible {
  color: var(--link);
}

.shell {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: 48px;
  margin-top: 42px;
  align-items: start;
  scroll-margin-top: 90px;
}

.profile-panel {
  position: sticky;
  top: 90px;
  max-height: calc(100dvh - 110px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.profile-card {
  padding: 0;
  background: #fff;
}

.avatar {
  position: relative;
  overflow: hidden;
  width: 180px;
  height: 180px;
  margin: 3px 0 1.25rem 3px;
  border-radius: 50%;
  border: 4px solid #fff;
  box-shadow: 0 0 0 1px #e4e7ea;
  display: block;
}

.avatar img {
  /* Use a bottom-aligned, 1120px-square view of the original to include the full body. */
  position: absolute;
  width: 152.3214%;
  max-width: none;
  height: auto;
  left: -33.0357%;
  bottom: 0;
  display: block;
}

.profile-card h1 {
  margin: 0 0 0.55rem;
  color: var(--ink);
  font-size: 1.45rem;
  line-height: 1.2;
  font-weight: 700;
}

.role,
.affiliation {
  margin: 0.24rem 0 0;
  color: var(--muted);
  line-height: 1.42;
}

.role {
  color: #4a5055;
  font-size: 0.94rem;
  font-weight: 400;
}

.affiliation {
  color: #555d63;
  font-size: 0.94rem;
}

.profile-bio {
  margin: 1.4rem 0 1.25rem;
  line-height: 1.6;
  font-size: 0.95rem;
}

.profile-contact {
  min-width: 0;
  font-size: 0.92rem;
}

.location {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  min-height: 32px;
  color: #555d63;
}

.location > [data-icon] {
  display: inline-flex;
}

.profile-icon {
  display: block;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  color: #555d63;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 1rem 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric-grid div {
  padding: 0.58rem 0.25rem;
  text-align: center;
}

.metric-grid div + div {
  border-left: 1px solid var(--line);
}

.metric-grid dt {
  color: var(--muted);
  font-size: 0.72rem;
}

.metric-grid dd {
  margin: 0.05rem 0 0;
  color: #222;
  font-size: 1rem;
  font-weight: 700;
}

.link-list {
  display: grid;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.link-list a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  min-height: 32px;
  color: #555d63;
  line-height: 1.4;
}

.link-list a span {
  overflow-wrap: anywhere;
}

.content {
  min-width: 0;
}

.section {
  padding: 2rem 0 0;
  scroll-margin-top: 72px;
}

.first-section {
  padding-top: 0;
}

.section-heading {
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.65rem;
}

.section-heading h2 {
  margin: 0;
  color: #494e52;
  font-family: inherit;
  font-size: 1.65rem;
  line-height: 1.15;
  font-weight: 700;
}

.prose {
  display: grid;
  gap: 0.82rem;
}

.prose p {
  margin: 0;
}

.prose a,
.timeline a,
.paper-row a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.heading-icon {
  margin-right: 0.35rem;
}

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 4px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin-top: 1rem;
}

.tag {
  color: #636b72;
  font-size: 0.88rem;
}

.timeline {
  max-height: 242px;
  overflow: auto;
  margin: 0;
  padding: 0 0.6rem 0 0;
  list-style: none;
  scrollbar-gutter: stable;
  scrollbar-color: #bfc3c7 #f5f5f5;
}

.timeline li {
  display: grid;
  grid-template-columns: 78px 22px minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.17rem 0;
}

.news-date {
  color: var(--ink);
  font-style: italic;
  white-space: nowrap;
}

.paper-grid {
  display: grid;
  gap: 2.6rem;
}

.paper-grid + .paper-grid {
  margin-top: 2.6rem;
}

.paper-row {
  display: grid;
  grid-template-columns: minmax(0, 36%) minmax(0, 1fr);
  gap: 1.8rem;
  align-items: center;
  scroll-margin-top: 24px;
}

.paper-visual {
  position: relative;
  min-width: 0;
  aspect-ratio: 16 / 10;
  background: #fff;
}

.paper-image-link {
  display: block;
  width: 100%;
  height: 100%;
  box-shadow: 2px 3px 7px #00000020;
}

.paper-image-link img,
.paper-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.paper-video-frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  box-shadow: 2px 3px 7px #00000020;
}

.paper-visual.has-video,
.paper-visual.has-image {
  aspect-ratio: auto;
  margin-top: 2rem;
}

.paper-visual.has-image .paper-image-link,
.paper-visual.has-image .paper-image-link img {
  height: auto;
}

.paper-visual.is-placeholder {
  aspect-ratio: 16 / 10;
}

.paper-video-labels {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.4rem 0.25rem 0;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.paper-visual.has-video .venue-badge,
.paper-visual.has-image .venue-badge {
  top: auto;
  bottom: 100%;
  left: 0;
  margin-bottom: 0.4rem;
}

.figure-placeholder {
  display: none;
  position: absolute;
  inset: 0;
  border: 1px dashed #d9dde0;
  background: #fafbfc;
}

.is-placeholder .figure-placeholder {
  display: block;
}

.paper-copy {
  min-width: 0;
  overflow-wrap: anywhere;
}

.venue-badge {
  position: absolute;
  top: 10px;
  left: -7px;
  max-width: calc(100% + 7px);
  padding: 3px 11px;
  background: #0648a8;
  color: #fff;
  font-size: 0.8rem;
  line-height: 1.5;
  text-align: center;
}

.paper-row h3 {
  margin: 0 0 0.65rem;
  font-size: 1.02rem;
  line-height: 1.5;
  font-weight: 500;
}

.authors,
.paper-note,
.paper-meta,
.compact-list p {
  margin: 0.18rem 0 0;
  color: var(--ink);
}

.self-author {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.paper-highlights {
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  line-height: 1.65;
}

.paper-highlights li + li {
  margin-top: 0.35rem;
}

.paper-meta {
  color: #6a7177;
  font-size: 0.88rem;
  font-style: italic;
  margin-top: 0.45rem;
}

.paper-note {
  font-size: 0.94rem;
}

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.45rem;
}

.paper-links a,
.empty-state a {
  color: var(--link);
  font-size: 0.95rem;
  font-weight: 400;
}

.paper-links a::before {
  content: "[";
}

.paper-links a::after {
  content: "]";
}

.paper-list {
  margin: 2.6rem 0 0;
  padding: 1rem 0 0 1.5rem;
  border-top: 1px solid var(--line);
  line-height: 1.75;
}

.paper-list li {
  padding-left: 0.1rem;
  overflow-wrap: anywhere;
}

.paper-list li + li {
  margin-top: 0.85rem;
}

.paper-list-badge {
  display: inline-block;
  margin-right: 0.2rem;
  padding: 1px 5px;
  background: #0648a8;
  color: #fff;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: 0.74rem;
  line-height: 1.45;
  vertical-align: baseline;
  white-space: nowrap;
}

.paper-list a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.paper-list-separator {
  margin: 0 0.25rem;
  color: var(--muted);
}

.paper-list-links a {
  display: inline-block;
  max-width: 100%;
  margin-right: 0.3rem;
}

.paper-list-links a::before {
  content: "[";
}

.paper-list-links a::after {
  content: "]";
}

.compact-list {
  display: grid;
  gap: 0.58rem;
  margin-top: 0.95rem;
}

.compact-paper {
  padding-bottom: 0.58rem;
  border-bottom: 1px solid var(--soft-line);
}

.compact-paper strong {
  color: #8b3d3d;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
  font-weight: 700;
}

.misc-content {
  min-width: 0;
  overflow-wrap: anywhere;
}

.empty-state {
  border-bottom: 1px solid var(--soft-line);
  padding-bottom: 0.8rem;
}

.misc-list {
  margin: 0;
  padding-left: 1.6rem;
}

.misc-list li {
  padding-left: 0.1rem;
}

.misc-list li + li {
  margin-top: 0.85rem;
}

.misc-icon {
  margin-right: 0.35rem;
}

.misc-content a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.personal-quote {
  margin: 1.5rem 0 0;
  padding: 0.15rem 0 0.15rem 1.2rem;
  border-left: 3px solid #c7d1d8;
}

.personal-quote blockquote {
  max-width: 44rem;
  margin: 0;
  font-style: italic;
  line-height: 1.8;
}

.personal-quote figcaption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.65rem;
}

.service-card {
  min-width: 0;
}

.service-card h3 {
  margin: 0 0 0.8rem;
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 600;
}

.service-card ul {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.6rem;
  color: var(--ink);
  line-height: 1.7;
}

.service-card li {
  padding-left: 0.1rem;
  overflow-wrap: anywhere;
}

.service-card a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.empty-state {
  color: var(--muted);
}

.empty-state p {
  margin: 0 0 0.55rem;
}

.footer {
  margin-top: 2.5rem;
  margin-bottom: 1.8rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 860px) {
  .topbar-inner {
    gap: 0.2rem 1.3rem;
  }

  .shell {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 28px;
  }

  .profile-panel {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .profile-card {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 0.65rem 1.4rem;
    align-items: center;
  }

  .profile-identity {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }

  .avatar {
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 120px;
    height: 120px;
    margin: 0;
  }

  .profile-bio {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
  }

  .profile-contact {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 1.5rem;
    margin-top: 0.5rem;
  }

  .metric-grid {
    grid-column: 1 / -1;
  }

  .link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.5rem;
    margin: 0;
  }
}

@media (max-width: 620px) {
  .topbar-inner,
  .shell,
  .footer {
    width: min(100% - 28px, 1160px);
  }

  .paper-row,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .paper-row {
    gap: 1.1rem;
  }

  .paper-visual {
    width: 100%;
    max-width: 460px;
    justify-self: center;
  }

  .timeline li {
    grid-template-columns: 66px 20px minmax(0, 1fr);
    gap: 0.3rem;
    font-size: 0.88rem;
  }

  .profile-card {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 1rem;
  }

  .avatar {
    grid-row: 1;
    width: 96px;
    height: 96px;
  }

  .profile-bio {
    grid-column: 1 / -1;
  }

  .role, .affiliation {
    font-size: 0.87rem;
  }

  .topbar-inner {
    gap: 0.15rem 1.1rem;
    padding: 0.45rem 0;
  }

  .topbar .brand {
    margin-right: 0;
  }

  .topbar nav a {
    font-size: 0.88rem;
  }

  .section, .shell {
    scroll-margin-top: 110px;
  }
}

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

[hidden] {
  display: none !important;
}