:root {
  --page: #fff;
  --ink: #242b30;
  --text: #3c444b;
  --muted: #666f77;
  --link: #285f8f;
  --line: #e2e6e9;
  --wash: #f5f7f8;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--page); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2 { color: var(--ink); font-family: var(--serif); font-weight: 400; line-height: 1.3; }
h1 { font-size: 40px; letter-spacing: -.7px; }
h2 { font-size: 25px; letter-spacing: -.3px; }
h3, h4 { color: var(--ink); font-weight: 600; line-height: 1.5; }
strong { font-weight: 600; }
::selection { background: #dfeaf3; }
[hidden] { display: none !important; }
.container { width: min(1040px, calc(100% - 80px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 12px 20px; background: white; z-index: 10; }
.skip-link:focus { top: 10px; }
.muted { color: var(--muted); }

/* A quiet, always-visible navigation. */
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 90px; border-bottom: 1px solid var(--line); }
.wordmark { color: var(--ink); font-size: 17px; font-weight: 600; text-decoration: none; white-space: nowrap; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--ink); text-decoration: underline; text-underline-offset: 7px; }
nav a[aria-current] { font-weight: 600; }

/* Profile and research share the page, like a personal academic homepage. */
.home-layout { display: grid; grid-template-columns: 228px minmax(0, 1fr); align-items: start; gap: 64px; padding-block: 56px 64px; }
.profile { min-width: 0; }
.portrait { width: 212px; max-width: 100%; margin-bottom: 22px; }
.portrait-frame { padding: 4px; border: 1px solid var(--line); overflow: hidden; border-radius: 50%; }
.portrait-image { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 50%; background: var(--wash); }
.portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 46%; transform: scale(1.35); transform-origin: 50% 46%; }
.profile h1 { font-size: 33px; letter-spacing: -.8px; }
.profile-role { margin-top: 5px; color: var(--muted); font-size: 15px; }
.profile-degree { margin-top: 18px; font-size: 14px; line-height: 1.7; }
.profile-location { margin-top: 10px; color: var(--muted); font-size: 13px; }
.profile-email { display: inline-block; margin-top: 15px; font-size: 14px; overflow-wrap: anywhere; }
.profile-links { list-style: none; padding: 0; margin: 19px 0 0; font-size: 14px; }
.profile-links li + li { margin-top: 6px; }
.profile-links a { display: inline-block; min-height: 28px; }
.home-content { min-width: 0; }
.about-section h2 { margin-bottom: 18px; }
.about-section > p { margin-bottom: 16px; }
.research-note { margin-top: 25px; }
.research-note h3 { font-size: 14px; }
.research-note p { margin-top: 5px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.home-section { margin-top: 39px; }
.home-section > h2 { margin-bottom: 18px; }
.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li { display: grid; grid-template-columns: 73px minmax(0, 1fr); gap: 13px; font-size: 14px; line-height: 1.75; }
.news-list li + li { margin-top: 12px; }
.news-list time { color: var(--muted); font-size: 13px; padding-top: 1px; font-variant-numeric: tabular-nums; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.section-heading > a { flex-shrink: 0; font-size: 13px; }
.contact-note { margin-top: 30px; padding-top: 23px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

/* Publication titles and bibliographic details take precedence over decoration. */
.paper { display: grid; grid-template-columns: 45px minmax(0, 1fr); gap: 17px; padding-block: 25px; border-bottom: 1px solid var(--line); }
.paper:first-child { padding-top: 8px; }
.paper:last-child { border-bottom: 0; padding-bottom: 0; }
.paper-year { padding-top: 3px; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.paper-body { min-width: 0; }
.paper h3 { font-family: var(--sans); font-size: 18px; line-height: 1.5; font-weight: 600; }
.paper h3 a { text-decoration: none; }
.paper h3 a:hover { text-decoration: underline; }
.paper-authors { margin-top: 6px; font-size: 13px; line-height: 1.75; }
.paper-authors strong { color: var(--ink); }
.paper-venue { margin-top: 2px; color: var(--muted); font-size: 13px; font-style: italic; }
.paper-summary { margin-top: 10px; color: var(--text); font-size: 14px; line-height: 1.75; }
.paper-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 19px; margin-top: 7px; font-size: 13px; }
.paper-links a { display: inline-flex; align-items: center; min-height: 32px; }
.page-intro { padding-block: 51px 32px; }
.page-lead { max-width: 690px; margin-top: 16px; font-size: 16px; line-height: 1.8; }
.intro-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 25px; margin-top: 20px; font-size: 14px; }
.intro-links a { display: inline-flex; align-items: center; min-height: 32px; }
.page-publications .page-intro, .publication-archive { max-width: 920px; }
.publication-archive { padding-bottom: 65px; }
.publication-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 25px; padding-block: 7px 17px; border-bottom: 1px solid var(--line); }
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.filter-group button { padding: 9px 0; min-height: 44px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font-size: 14px; }
.filter-group button[aria-pressed="true"] { color: var(--link); border-bottom-color: var(--link); }
.filter-group button span { margin-left: 3px; font-size: 12px; }
.search-field { display: flex; align-items: center; gap: 9px; width: 280px; max-width: 100%; padding: 8px 11px; border: 1px solid #cbd2d7; border-radius: 3px; }
.search-field svg { width: 17px; height: 17px; flex-shrink: 0; color: var(--muted); }
.search-field input { border: 0; min-width: 0; width: 100%; background: transparent; color: var(--ink); font-size: 14px; }
.search-field:focus-within { outline: 2px solid var(--link); outline-offset: 2px; }
.search-field input:focus-visible { outline: 0; }
.result-count { margin-block: 17px 14px; color: var(--muted); font-size: 13px; }
.empty-state { padding-block: 48px; }
.empty-state p { margin-block: 12px 20px; }
.section-footnote { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 15px; border: 1px solid #bcc8d1; border-radius: 3px; background: white; color: var(--link); font-size: 14px; line-height: 1.5; text-decoration: none; }
.button:hover { background: var(--wash); }
.citation { margin-top: 9px; font-size: 13px; }
.citation summary { width: fit-content; padding-block: 5px; color: var(--link); cursor: pointer; }
.citation-inner { min-width: 0; padding: 18px; margin-top: 12px; border: 1px solid var(--line); background: var(--wash); }
.citation pre { max-width: 100%; margin: 0 0 13px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--text); font: 12px/1.75 ui-monospace, Consolas, monospace; }
.copy-button { display: none; padding: 7px 12px; min-height: 36px; border: 1px solid #bac6cf; border-radius: 3px; background: white; color: var(--link); font-size: 12px; }
.js .copy-button { display: inline-block; }
.copy-button:hover { background: #eaf0f5; }
.copy-status { margin-left: 12px; color: var(--muted); font-size: 12px; }

/* Dated updates and research videos keep the same editorial layout. */
.news-intro, .news-archive, .demos-intro, .demos-content { max-width: 920px; }
.news-archive, .demos-content { padding-bottom: 65px; }
.news-year { display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 30px; padding-block: 28px; border-top: 1px solid var(--line); }
.news-year > h2 { font-size: 27px; }
.news-entries, .news-entry { min-width: 0; }
.news-entry + .news-entry { padding-top: 24px; margin-top: 24px; border-top: 1px solid var(--line); }
.entry-meta { margin-bottom: 7px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.news-entry h3 { font-size: 18px; }
.entry-description { margin-top: 8px; font-size: 15px; }
.entry-links { display: flex; flex-wrap: wrap; align-items: center; gap: 3px 20px; margin-top: 9px; font-size: 13px; }
.entry-links a { display: inline-flex; align-items: center; min-height: 36px; }
.demo-section > h2 { margin-bottom: 21px; }
.demo-section + .demo-section { margin-top: 39px; padding-top: 30px; border-top: 1px solid var(--line); }
.demo-section-intro { margin: -9px 0 24px; color: var(--muted); font-size: 15px; }
.demo-section > .video-entry + .video-entry { margin-top: 36px; }
.video-entry { min-width: 0; }
.video-entry h3 { font-size: 20px; line-height: 1.5; }
.video-credit { margin: 6px 0 16px; color: var(--muted); font-size: 13px; }
.video-player { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; min-height: 200px; border: 0; background: var(--wash); }
.video-description { margin-top: 15px; font-size: 14px; }
.media-videos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.media-videos .video-entry h3 { font-size: 18px; }

/* Supporting pages use the same scale as the homepage. */
.cv-content { max-width: 920px; }
.title-with-action { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.print-button { flex-shrink: 0; font-size: 13px; }
.cv-content .page-intro > p:last-child { margin-top: 8px; font-size: 14px; }
.cv-section { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 36px; padding-block: 30px; border-top: 1px solid var(--line); }
.cv-section > h2 { font-size: 23px; }
.cv-section:last-child { padding-bottom: 60px; }
.education-list { list-style: none; padding: 0; margin: 0; }
.education-list li { display: grid; grid-template-columns: 47px minmax(0, 1fr); gap: 18px; }
.education-list li + li { margin-top: 24px; }
.education-year { color: var(--muted); font-size: 13px; padding-top: 2px; }
.education-list h3 { font-size: 15px; }
.education-list p { margin-top: 3px; font-size: 14px; }
.cv-prose p { margin-bottom: 15px; font-size: 15px; }
.cv-prose p:last-child { margin-bottom: 0; }
.interest-list { margin: 0; padding-left: 19px; font-size: 15px; }
.interest-list li + li { margin-top: 15px; }
.cv-publications ol { padding-left: 19px; margin: 0; }
.cv-publications li { padding-left: 4px; margin-bottom: 20px; font-size: 14px; }
.cv-publications li:last-child { margin-bottom: 0; }
.cv-publications p.muted { margin-top: 4px; font-size: 13px; }
.cv-section .intro-links { margin-top: 0; }
.contact-intro, .contact-grid { max-width: 920px; }
.contact-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 65px; padding-block: 22px 90px; }
.contact-grid h2 { margin-bottom: 12px; font-size: 23px; }
.large-email { display: inline-block; padding-block: 2px 8px; font-size: 20px; overflow-wrap: anywhere; max-width: 100%; }
.alternate-email { margin-top: 10px; color: var(--muted); font-size: 14px; }
.alternate-email a { overflow-wrap: anywhere; }
.contact-secondary { display: grid; gap: 30px; }
.contact-secondary p { font-size: 15px; }
.social-links { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14px; }
.social-links a { min-height: 30px; }
.paper-detail { max-width: 820px; padding-block: 42px 65px; }
.back-link { display: inline-block; margin-bottom: 28px; font-size: 14px; }
.publication-meta { margin-bottom: 13px; color: var(--muted); font-size: 14px; }
.paper-detail h1 { font-size: 34px; line-height: 1.35; }
.detail-authors { margin-top: 20px; font-size: 15px; }
.detail-venue { margin-top: 8px; color: var(--muted); font-size: 14px; }
.publication-note { margin-top: 14px; color: var(--muted); font-size: 13px; }
.paper-overview { margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line); }
.paper-detail h2 { margin-bottom: 14px; font-size: 25px; }
.paper-overview p { font-size: 16px; }
.citation-detail { margin-top: 32px; }
.citation-detail .citation-inner { margin-bottom: 14px; }
.not-found { min-height: 60vh; }
.not-found .button { margin-top: 25px; }
.site-footer { font-size: 12px; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; padding-block: 23px 30px; border-top: 1px solid var(--line); }
.footer-inner a { margin-left: auto; color: var(--muted); }

@media (max-width: 900px) {
  .container { width: calc(100% - 48px); }
  .home-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 38px; }
  .portrait { width: 196px; }
  .profile h1 { font-size: 30px; }
  .section-heading { flex-wrap: wrap; gap: 7px 20px; }
  .cv-section { grid-template-columns: 165px minmax(0, 1fr); gap: 26px; }
  .contact-grid { gap: 35px; }
}

@media (max-width: 700px) {
  .header-inner { min-height: 77px; gap: 15px; flex-wrap: wrap; padding-block: 13px; }
  nav { flex-basis: 100%; justify-content: space-between; gap: 14px; }
  nav a { font-size: 14px; }
  .home-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-block: 33px 45px; }
  .profile { text-align: center; }
  .portrait { width: 200px; margin-inline: auto; margin-bottom: 17px; }
  .profile h1 { font-size: 34px; }
  .profile-role { margin-top: 3px; }
  .profile-degree { margin-top: 11px; }
  .profile-location { margin-top: 5px; }
  .profile-email { margin-top: 10px; }
  .profile-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 0 20px; margin-top: 10px; }
  .profile-links li + li { margin-top: 0; }
  .profile-links a { display: inline-flex; align-items: center; min-height: 40px; }
  .about-section > p { font-size: 16px; }
  .about-section h2 { margin-bottom: 14px; }
  .home-section { margin-top: 31px; }
  .news-list li { grid-template-columns: 68px minmax(0, 1fr); gap: 12px; font-size: 14px; }
  .paper { grid-template-columns: minmax(0, 1fr); gap: 5px; padding-block: 23px; }
  .paper-year { padding-top: 0; }
  .paper h3 { font-size: 18px; }
  .paper-authors, .paper-venue { font-size: 13px; }
  .paper-summary { font-size: 14px; }
  .paper-links { gap: 2px 22px; font-size: 14px; }
  .paper-links a { min-height: 42px; }
  .contact-note { margin-top: 23px; }
  .page-intro { padding-block: 34px 25px; }
  .page-intro h1 { font-size: 35px; }
  .page-lead { margin-top: 13px; }
  .publication-controls { align-items: stretch; flex-direction: column; gap: 15px; }
  .search-field { width: 100%; min-height: 44px; }
  .search-field input { font-size: 16px; }
  .publication-archive { padding-bottom: 45px; }
  .news-archive, .demos-content { padding-bottom: 45px; }
  .news-year { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-block: 24px; }
  .entry-links a { min-height: 44px; }
  .media-videos { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .video-entry h3 { font-size: 18px; }
  .title-with-action { flex-wrap: wrap; gap: 16px; }
  .cv-section { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-block: 25px; }
  .cv-section:last-child { padding-bottom: 45px; }
  .cv-content .page-intro > p:last-child .muted { display: block; margin-top: 4px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 8px 55px; }
  .contact-secondary { gap: 25px; }
  .paper-detail { padding-block: 30px 45px; }
  .paper-detail h1 { font-size: 29px; }
  .citation-inner { padding: 14px; }
  .citation pre { font-size: 11px; }
  .copy-status { display: block; margin: 8px 0 0; }
  .footer-inner { gap: 8px 15px; font-size: 11px; }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 40px); }
  .header-inner { gap: 5px; }
  .wordmark { font-size: 16px; }
  nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); flex-basis: 100%; gap: 0 10px; }
  nav a { justify-content: center; }
  .page-home .wordmark { display: none; }
  .page-home .header-inner { min-height: 67px; padding-block: 10px; }
  .intro-links { gap: 7px 20px; }
  .large-email { font-size: 19px; }
  .footer-inner > span:nth-child(2) { margin-left: auto; }
  .footer-inner a { flex-basis: 100%; margin-left: 0; }
}

@media print {
  @page { size: A4; margin: 17mm; }
  body { color: #222; background: white; font-size: 10pt; }
  .site-header, .site-footer, .skip-link, .print-button, .publication-controls, .copy-button, .copy-status, .back-link, .video-player { display: none !important; }
  .container { width: 100%; max-width: none; }
  .page-intro { padding: 0 0 20px; }
  .page-intro h1 { font-size: 28pt; }
  .page-lead { font-size: 11pt; }
  .cv-section { grid-template-columns: 135px minmax(0, 1fr); gap: 20px; padding-block: 18px; }
  .cv-section > h2 { font-size: 16pt; }
  .cv-section:last-child { padding-bottom: 0; }
  .education-list h3 { font-size: 10pt; }
  .education-list p, .cv-prose p, .interest-list, .cv-publications li { font-size: 9pt; }
  .cv-publications p.muted { font-size: 8pt; }
  .cv-publications li { break-inside: avoid; margin-bottom: 13px; }
  .cv-section h2, .education-list li, .paper { break-inside: avoid; }
  .intro-links, .cv-content .page-intro > p:last-child { font-size: 9pt; }
  a { color: inherit; text-decoration: none; }
  .home-layout { gap: 30px; padding-block: 20px; }
  .paper-detail { padding: 0; }
  .paper-detail h1 { font-size: 25pt; }
}