:root {
  --text: #24292f;
  --muted: #57606a;
  --blue: #0969da;
  --border: #d0d7de;
  --subtle: #f6f8fa;
  --background: #ffffff;
  --header-background: rgba(255, 255, 255, .96);
  --hover-background: #eef1f4;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--background);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --text: #f0f3f6;
  --muted: #aeb8c4;
  --blue: #58a6ff;
  --border: #3d444d;
  --subtle: #151b23;
  --background: #0d1117;
  --header-background: rgba(13, 17, 23, .96);
  --hover-background: #212830;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--text); font-size: 16px; line-height: 1.6; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(100% - 40px, 960px); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 2; background: var(--header-background); border-bottom: 1px solid var(--border); }
.header-content { display: flex; min-height: 64px; align-items: center; justify-content: space-between; gap: 24px; }
.site-name { color: var(--text); font-size: 18px; font-weight: 600; }
.site-name:hover { text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 18px; }
nav { display: flex; gap: 22px; font-size: 14px; }
nav a { color: var(--text); }
.theme-toggle { width: 50px; height: 28px; padding: 2px; border: 1px solid var(--border); border-radius: 999px; background: var(--subtle); color: var(--text); cursor: pointer; }
.theme-toggle:hover { background: var(--hover-background); }
.theme-toggle:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.theme-toggle-thumb { display: grid; width: 22px; height: 22px; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: var(--background); box-shadow: 0 1px 2px rgba(31, 35, 40, .12); transition: transform .2s ease; }
.theme-toggle svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.sun-icon { display: none; }
:root[data-theme="dark"] .theme-toggle-thumb { transform: translateX(22px); }
:root[data-theme="dark"] .moon-icon { display: none; }
:root[data-theme="dark"] .sun-icon { display: block; }

@media (prefers-reduced-motion: reduce) {
  .theme-toggle-thumb { transition: none; }
}

.about { display: grid; grid-template-columns: minmax(0, 1.9fr) minmax(180px, 1fr); gap: 40px; padding: 84px 0 70px; align-items: start; scroll-margin-top: 64px; }
h1, h2, h3 { line-height: 1.25; }
h1 { margin: 3px 0 8px; font-size: clamp(36px, 6vw, 52px); letter-spacing: -.03em; }
h2 { margin: 0 0 28px; font-size: 25px; }
h3 { margin: 0; font-size: 17px; }
.eyebrow { margin: 0 0 18px; color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: .05em; }
.lead { max-width: 640px; margin: 0; color: var(--muted); font-size: 16px; }
.lead + .lead { margin-top: 16px; }
.links { display: flex; margin-top: 28px; align-items: center; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.links a { display: inline-block; padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--subtle); color: var(--text); font-weight: 600; }
.links a:hover { background: var(--hover-background); text-decoration: none; }
.profile-photo { display: block; width: 220px; max-width: 100%; height: auto; justify-self: end; border: 1px solid var(--border); border-radius: 6px; }

.section { padding: 56px 0; border-top: 1px solid var(--border); }
.section-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.section-title-row > a { font-size: 14px; }
.publication-list { margin: 0; padding-left: 28px; }
.publication-list li { padding: 0 0 24px 8px; }
.publication-list li::marker { color: var(--muted); font-size: 13px; }
.publication-list p { margin: 2px 0; }
.publication-list .author { text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 3px; }
.publication-list .venue { color: var(--muted); font-size: 14px; }
.paper-link { display: inline-block; margin-left: 8px; padding: 1px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--subtle); font-size: 12px; font-weight: 600; }
.paper-link:hover { background: var(--hover-background); text-decoration: none; }

.entries { display: grid; gap: 42px; }
.entry { max-width: 840px; }
.entry-heading { display: flex; align-items: start; justify-content: space-between; gap: 30px; }
.organisation { margin: 3px 0 0; color: var(--text); font-weight: 500; }
.date { margin: 0; flex: none; color: var(--muted); font-size: 14px; }
.entry > p { margin: 10px 0 0; color: var(--muted); }
footer { margin-top: 24px; background: var(--subtle); border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }
.footer-content { display: flex; min-height: 80px; align-items: center; justify-content: space-between; }

@media (max-width: 700px) {
  .header-content { min-height: auto; padding: 16px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .header-actions { width: 100%; justify-content: space-between; }
  nav { flex: 1; gap: 0; justify-content: space-between; font-size: 12px; }
  .about { grid-template-columns: 1fr; gap: 38px; padding: 54px 0; scroll-margin-top: 112px; }
  .section-title-row { align-items: flex-start; flex-direction: column; gap: 0; margin-bottom: 28px; }
  .section-title-row h2 { margin-bottom: 8px; }
  .profile-photo { order: -1; justify-self: start; }
}

@media (max-width: 460px) {
  .container { width: min(100% - 28px, 960px); }
  nav { padding-right: 18px; }
  .lead { font-size: 15px; }
  .entry-heading { flex-direction: column; gap: 4px; }
  .footer-content { align-items: flex-start; flex-direction: column; justify-content: center; gap: 3px; }
  .footer-content p { margin: 0; }
}

@media print {
  .site-header, footer, .links { display: none; }
  body { font-size: 11px; }
  .container { width: 100%; }
  .about { padding: 15px 0 30px; }
  .lead { font-size: 14px; }
  .section { padding: 25px 0; }
  .entry, .publication-list li { break-inside: avoid; }
}