:root {
  --background: #ffffff;
  --text: #252525;
  --muted: #626262;
  --subtle: #f7f6f8;
  --border: #dedde1;
  --accent: #4b2e72;
  --accent-dark: #2f184c;
  --sidebar-width: 220px;
  --content-width: 750px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.14em;
}

a:hover {
  color: var(--accent-dark);
}

a:focus-visible,
button:focus-visible,
iframe:focus-visible,
object:focus-visible {
  outline: 3px solid rgba(75, 46, 114, 0.28);
  outline-offset: 3px;
}

img {
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: fixed;
  left: 0.75rem;
  top: -5rem;
  z-index: 1000;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #fff;
  color: #111;
}

.skip-link:focus {
  top: 0.75rem;
}

.site-header {
  flex: none;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.header-inner {
  width: min(1060px, calc(100% - 2rem));
  min-height: 58px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-title {
  flex: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.2rem 0.82rem;
}

.nav a {
  padding: 0.22rem 0 0.18rem;
  border-bottom: 2px solid transparent;
  color: #555;
  font-size: 0.9rem;
  line-height: 1.45;
  text-decoration: none;
  white-space: nowrap;
}

.nav a:hover {
  border-bottom-color: #bcb9c1;
  color: var(--text);
}

.nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.shell {
  width: min(1060px, calc(100% - 2rem));
  margin: 2.4rem auto 0;
  flex: 1 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, var(--content-width));
  column-gap: 3.35rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 1.25rem;
}

.profile {
  color: var(--muted);
  font-size: 0.9rem;
}

.profile-photo {
  display: block;
  width: 148px;
  height: 148px;
  margin: 0 0 1rem;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--subtle);
}

.profile h2 {
  margin: 0 0 0.28rem;
  padding: 0;
  border: 0;
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1.24;
}

.profile .role {
  margin: 0;
  color: var(--muted);
  line-height: 1.48;
}

.profile-section {
  margin: 1.05rem 0 0;
}

.profile-section h3 {
  margin: 0 0 0.38rem;
  color: #626262;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.065em;
  line-height: 1.3;
  text-transform: uppercase;
}

.profile ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.profile li {
  margin: 0.16rem 0;
}

.profile a {
  text-decoration: underline;
  text-decoration-color: rgba(75, 46, 114, 0.35);
}

.content {
  width: 100%;
  min-width: 0;
  max-width: var(--content-width);
  padding-bottom: 3.75rem;
}

h1,
h2,
h3 {
  color: #222;
  line-height: 1.28;
}

h1 {
  margin: 0 0 1rem;
  font-size: 1.86rem;
  font-weight: 700;
  letter-spacing: -0.012em;
}

h2 {
  margin: 2rem 0 0.7rem;
  padding-bottom: 0.28rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.28rem;
  font-weight: 700;
}

h3 {
  margin: 1.35rem 0 0.3rem;
  font-size: 1.04rem;
  font-weight: 700;
}

p {
  margin: 0 0 0.95rem;
}

.lead {
  color: #333;
  font-size: 1.035rem;
}

.note {
  color: var(--muted);
  font-size: 0.93rem;
}

.content a:not(.button) {
  text-decoration: underline;
  text-decoration-color: rgba(75, 46, 114, 0.38);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.2rem 0 1.35rem;
}

.button {
  display: inline-block;
  padding: 0.4rem 0.67rem;
  border: 1px solid var(--accent);
  border-radius: 3px;
  background: #fff;
  color: var(--accent);
  font-size: 0.89rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
}

.button:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.primary:hover {
  background: var(--accent-dark);
}

.plain-list,
.news-list {
  margin: 0.35rem 0 1.1rem;
  padding-left: 1.22rem;
}

.plain-list li,
.news-list li {
  margin-bottom: 0.4rem;
  padding-left: 0.08rem;
}

.news-list time {
  font-weight: 700;
}

.publication-list {
  margin: 0.35rem 0 0;
  padding-left: 1.45rem;
}

.publication-list > li {
  margin: 0 0 1.35rem;
  padding-left: 0.2rem;
}

.publication-title {
  color: #202020;
  font-weight: 700;
  line-height: 1.42;
}

.authors {
  margin-top: 0.08rem;
  color: #333;
}

.venue {
  margin-top: 0.08rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.paper-links {
  margin-top: 0.2rem;
  font-size: 0.91rem;
}

.link-separator {
  margin: 0 0.38rem;
  color: #999;
}

.me {
  font-weight: 700;
}

.timeline {
  margin: 0.3rem 0 0;
  padding: 0;
  list-style: none;
}

.timeline > li {
  display: grid;
  grid-template-columns: 7.6rem minmax(0, 1fr);
  gap: 0.85rem;
  margin: 0;
  padding: 0.82rem 0;
  border-bottom: 1px solid #ecebed;
}

.timeline > li:first-child {
  padding-top: 0.15rem;
}

.timeline-date {
  color: var(--muted);
  font-size: 0.9rem;
}

.timeline-title {
  color: #242424;
  font-weight: 700;
  line-height: 1.42;
}

.timeline-meta {
  margin-top: 0.1rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.role-list {
  margin: 0.3rem 0 0;
  padding: 0;
  list-style: none;
}

.role-list > li {
  margin-bottom: 1rem;
}

.role-title {
  font-weight: 700;
}

.role-meta,
.role-details {
  color: var(--muted);
  font-size: 0.94rem;
}

.related-work,
.empty-state {
  margin-top: 1.6rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid #c8bdd5;
  background: var(--subtle);
}

.related-work h2 {
  margin: 0 0 0.4rem;
  padding: 0;
  border: 0;
  font-size: 1.08rem;
}

.related-work p:last-child,
.empty-state p:last-child {
  margin-bottom: 0;
}

.contact-list {
  margin: 1.2rem 0 0;
}

.contact-list dt {
  margin-top: 1.2rem;
  color: #333;
  font-weight: 700;
}

.contact-list dd {
  margin: 0.16rem 0 0;
}

.contact-list address {
  font-style: normal;
}

.cv-frame {
  width: 100%;
  height: 780px;
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--subtle);
}

footer {
  flex: none;
  margin-top: 1rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.83rem;
}

.footer-inner {
  width: min(1060px, calc(100% - 2rem));
  margin: 0 auto;
}

@media (max-width: 940px) {
  .header-inner {
    min-height: auto;
    padding: 0.78rem 0 0.72rem;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.42rem;
  }

  .nav {
    justify-content: flex-start;
  }

  .shell {
    margin-top: 1.55rem;
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    margin-bottom: 1.7rem;
    padding-bottom: 1.35rem;
    border-bottom: 1px solid var(--border);
  }

  .profile {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr) minmax(9rem, 0.75fr);
    column-gap: 1rem;
    align-items: start;
  }

  .profile-photo {
    width: 92px;
    height: 92px;
    margin: 0;
    grid-row: span 2;
  }

  .profile-section {
    margin: 0;
  }

  .profile-section.links {
    margin-top: 0.7rem;
    grid-column: 2 / -1;
  }

  .profile-section.links ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.08rem 0.85rem;
  }

  .content {
    max-width: 760px;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .shell,
  .footer-inner {
    width: min(100% - 1.35rem, 1060px);
  }

  .nav {
    gap: 0.12rem 0.68rem;
  }

  .nav a {
    font-size: 0.86rem;
  }

  .profile {
    grid-template-columns: 78px minmax(0, 1fr);
  }

  .profile-photo {
    width: 78px;
    height: 78px;
  }

  .profile-section {
    margin-top: 0.8rem;
    grid-column: 1 / -1;
  }

  .profile-section.links {
    grid-column: 1 / -1;
  }

  h1 {
    font-size: 1.68rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .lead {
    font-size: 1rem;
  }

  .timeline > li {
    grid-template-columns: 1fr;
    gap: 0.08rem;
  }

  .cv-frame {
    height: 560px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header,
  .sidebar,
  footer,
  .button-row {
    display: none;
  }

  body,
  .shell,
  .content {
    display: block;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
  }

  a {
    color: #000;
    text-decoration: none;
  }
}