:root {
  color-scheme: light;
  --header-height: 65px;
  --main-top-gap: 42px;
  --page: #ffffff;
  --control: #ffffff;
  --surface: #f3f5f6;
  --ink: #183452;
  --body: #202a34;
  --muted: #68737e;
  --line: #b9c3cc;
  --disabled: #eceff1;
  --disabled-ink: #737d86;
  --accent: #ad5b00;
  --container: 1120px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #26292c;
  --control: #2f3336;
  --surface: #383c40;
  --ink: #d2d7db;
  --body: #d0d3d6;
  --muted: #a4abb1;
  --line: #6b7278;
  --disabled: #3d4145;
  --disabled-ink: #aab0b5;
  --accent: #efbb78;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #26292c;
    --control: #2f3336;
    --surface: #383c40;
    --ink: #d2d7db;
    --body: #d0d3d6;
    --muted: #a4abb1;
    --line: #6b7278;
    --disabled: #3d4145;
    --disabled-ink: #aab0b5;
    --accent: #efbb78;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--page);
  color: var(--body);
  font-size: 16px;
  line-height: 1.5;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
button, summary { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }

header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: var(--page);
}
.header-inner {
  min-height: calc(var(--header-height) - 1px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
nav .nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a {
  color: var(--body);
  font-size: 15px;
  text-decoration: none;
  text-underline-offset: 5px;
}
.nav-links a:hover, .nav-links a:focus-visible { background: transparent; text-decoration: underline; }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 600; text-decoration: underline; }
header nav .nav-links a.nav-external {
  display: inline-flex;
  align-items: center;
  gap: 24px;
}
header nav .nav-links a.nav-external::before {
  content: "";
  width: 1px;
  height: 18px;
  background: var(--line);
}
.theme-toggle, .hamburger, .btn-close {
  min-height: 44px;
  border: 0;
  border-radius: 0;
  padding: 8px 0;
  background: transparent;
  color: var(--ink);
  font-size: 15px;
}
.theme-toggle {
  min-height: 44px;
  border: 0;
  padding: 8px 0;
  background: transparent;
  text-decoration: none;
}
.theme-toggle:hover { background: transparent; text-decoration: underline; }
.hamburger:hover, .btn-close:hover { background: transparent; text-decoration: underline; }
.hamburger { display: none; width: 44px; align-items: center; justify-content: center; }
.hamburger svg { width: 24px; height: 24px; }

main { padding: 0 0 72px; }
main.container {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  align-items: start;
  column-gap: 72px;
  padding-top: var(--main-top-gap);
}
main > section { min-width: 0; margin: 0 0 30px; scroll-margin-top: 84px; }
main > section:first-child {
  grid-column: 1;
  grid-row: 1 / span 4;
  position: fixed;
  left: max(calc((100vw - var(--container)) / 2), 24px);
  top: calc(var(--header-height) + var(--main-top-gap) + 15px);
  width: 300px;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
}
main > section:not(:first-child) { grid-column: 2; padding-top: 20px; border-top: 1px solid var(--line); }
main > section:nth-child(2) { padding-top: 0; border-top: 0; }
.section-inner { padding: 0; }
.profile-grid { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.profile-image-wrap { width: min(100%, 180px); aspect-ratio: 1; overflow: hidden; }
.profile-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.profile-text { max-width: none; }
h1 { margin: 0 0 8px; color: var(--ink); font-size: 30px; line-height: 1.2; font-weight: 600; }
h2 { margin: 0; color: var(--ink); font-size: 18px; line-height: 1.5; font-weight: 600; }
.role { margin: 8px 0 0; color: var(--muted); font-weight: 600; }
.about { margin: 16px 0; color: var(--body); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.contact-actions .btn-icon, .open-btn, .section-controls .btn-icon {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 0;
  padding: 8px 4px;
  background: transparent;
  color: var(--ink);
  box-shadow: none;
}
.contact-actions .btn-icon:hover, .open-btn:hover, .section-controls .btn-icon:hover { background: transparent; text-decoration: underline; }
.contact-actions .btn-icon svg, .open-btn svg, .section-controls .btn-icon svg { width: 17px; height: 17px; }
.contact-actions .btn-icon svg path { fill: currentColor; stroke: currentColor; }
.contact-actions .btn-icon:first-child svg path { fill: none; stroke: currentColor; }

.section-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.section-controls { display: flex; gap: 8px; }
.section-controls .btn-icon { width: 44px; padding: 8px; }
.section-controls .btn-icon svg { transition: transform 160ms ease; }
.section-controls .btn-icon[aria-expanded="true"] svg { transform: rotate(180deg); }
.section-controls .btn-icon:hover { color: var(--accent); }
.section-content { padding-top: 8px; }
.section-content[hidden] { display: none !important; }
.cards { display: grid; grid-template-columns: 1fr; gap: 0; }
.card { min-width: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.card-inner { padding: 16px 0; }
.card:first-child .card-inner { padding-top: 4px; }
.media-row { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: start; gap: 16px; }
.media-logo { width: 64px; aspect-ratio: 1; overflow: hidden; border: 1px solid var(--line); background: var(--page); }
.media-logo img { width: 100%; height: 100%; object-fit: contain; }
.media-content .meta { margin-bottom: 4px; }
.title, .media-title { color: var(--ink); font-size: 16px; font-weight: 600; }
.meta, .media-publisher, .media-date { color: var(--muted); font-size: 14px; }
.media-content p { margin: 8px 0 0; }
.media-list { display: grid; gap: 0; }
.media-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 14px 0;
  border: 0;
  border-bottom: 0;
  border-radius: 0;
  background: transparent;
  transition: none;
}
.media-item:hover { border-color: var(--line); background: transparent; transform: none; }
.media-item:first-child { padding-top: 4px; }
.media-item .meta-line { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; }
.media-title { text-decoration: none; }
.open-btn { text-decoration: none; }

.publication-row .card-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px 16px;
  padding: 15px 0;
}
.publication-row:first-child .card-inner { padding-top: 4px; }
.publication-row .card-header { display: contents; }
.publication-row .card-header > div:first-child { grid-column: 1; grid-row: 1; min-width: 0; }
.publication-row .card-header .title { color: var(--ink); font-weight: 600; }
.publication-row .card-header .meta { color: var(--muted); font-size: 14px; }
.publication-row .pub-actions {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.publication-summary {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 0;
  padding: 8px 4px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.publication-summary:hover { background: transparent; text-decoration: underline; }
.publication-summary svg { width: 17px; height: 17px; transition: transform 160ms ease; }
.publication-summary[aria-expanded="true"] svg { transform: rotate(180deg); }
.publication-abstract { grid-column: 1 / -1; grid-row: 2; margin: 0; padding-left: 36px; color: var(--body); }
.publication-abstract[hidden] { display: none; }
.publication-open {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  padding: 8px 4px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.publication-open:hover { background: transparent; text-decoration: underline; }
.publication-open svg { width: 17px; height: 17px; }
.publication-empty { margin: 8px 0 0; color: var(--muted); }
.publication-pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 0; }
.publication-pagination[hidden] { display: none; }
.publication-pagination button {
  min-height: 44px;
  border: 0;
  border-radius: 0;
  padding: 8px 4px;
  background: transparent;
  color: var(--ink);
}
.publication-pagination button:hover:not(:disabled) { background: transparent; text-decoration: underline; }
.publication-pagination button:disabled { background: transparent; color: var(--disabled-ink); cursor: not-allowed; }
.publication-page-label { color: var(--muted); font-size: 14px; text-align: center; }

footer { padding: 18px 0 32px; border-top: 1px solid var(--line); color: var(--muted); }
footer .container { font-size: 14px; }
.mobile-nav { position: fixed; z-index: 40; inset: 0; width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; border: 0; padding: 0; background: var(--page); color: var(--body); }
.mobile-nav::backdrop { background: var(--page); }
.mobile-nav .menu { width: 100%; height: 100%; padding: 24px; }
.mobile-nav .close-row { display: flex; justify-content: flex-end; padding-bottom: 20px; }
.mobile-nav .menu a { display: block; padding: 14px 0; border: 0; color: var(--ink); font-size: 18px; text-decoration: none; }
.mobile-nav .menu a:hover { background: transparent; text-decoration: underline; }
.mobile-nav .nav-links a.nav-external {
  margin-top: 6px;
  padding-top: 21px;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  main.container { grid-template-columns: 240px minmax(0, 1fr); column-gap: 40px; }
  main > section:first-child { left: max(calc((100vw - var(--container)) / 2), 24px); width: 240px; }
}

@media (max-width: 768px) {
  :root { --header-height: 61px; --main-top-gap: 24px; }
  .container { width: min(100% - 32px, var(--container)); }
  .header-inner { justify-content: flex-end; gap: 16px; }
  header nav .nav-links { display: none; }
  .hamburger { display: inline-flex; }
  main.container { display: block; padding-top: var(--main-top-gap); }
  main > section:first-child { position: static; width: auto; max-height: none; overflow: visible; margin-bottom: 30px; }
  .profile-grid { flex-direction: column; align-items: center; gap: 24px; text-align: center; }
  .profile-image-wrap { width: min(100%, 260px); flex: 0 0 auto; }
  .profile-text { width: 100%; max-width: 360px; min-width: 0; }
  .contact-actions { justify-content: center; }
  .publication-row .card-inner { grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
  .publication-row .pub-actions { flex-direction: column; align-items: flex-end; justify-content: center; gap: 0; }
}

@media (max-width: 440px) {
  .container { width: min(100% - 32px, var(--container)); }
  .contact-actions .btn-icon { padding-inline: 2px; }
  .publication-row .card-inner { grid-template-columns: minmax(0, 1fr) auto; gap: 6px; }
  .publication-page-label { font-size: 13px; }
  .mobile-nav .menu { padding: 20px 16px; }
}