/* Shared styles for Charlie Wu's website. */
:root {
  color-scheme: light;
  --paper: #faf9f6;
  --ink: #2d343a;
  --heading: #20384d;
  --muted: #626a70;
  --link: #245780;
  --line: #dcdedc;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}
a:hover { color: var(--heading); text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 5px;
  border-radius: 2px;
}
img { display: block; max-width: 100%; }
p { margin: 0 0 1.2em; }
.container { width: min(100% - 3rem, 1008px); margin-inline: auto; }
.skip-link {
  position: absolute;
  top: -6rem;
  left: 1rem;
  z-index: 10;
  padding: .65rem 1rem;
  background: var(--paper);
  border: 1px solid var(--link);
}
.skip-link:focus { top: 1rem; }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}
.site-name {
  flex-shrink: 0;
  color: var(--heading);
  font: 1.45rem/1.3 var(--serif);
  text-decoration: none;
}
.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav a {
  display: block;
  padding-block: .35rem;
  color: var(--muted);
  font-size: .875rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--heading); border-color: var(--line); }
.site-nav a[aria-current="page"] { color: var(--heading); border-color: var(--link); }
main { padding-block: 3.5rem 6rem; }
h1, h2, h3 { color: var(--heading); }
h1 {
  margin: 0 0 2rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -.025em;
  overflow-wrap: break-word;
}
h2 {
  margin: 0 0 .8rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.4;
}
.prose { max-width: 70ch; }
.page-intro { margin-bottom: 2.75rem; }
.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
  gap: 4rem;
}
.home-intro h1 { margin-bottom: 1rem; }
.home-role { color: var(--muted); font-size: 1rem; margin-bottom: 1.7rem; }
.home-role span { display: block; }
.home-intro .prose { max-width: 58ch; }
.portrait {
  width: 300px;
  height: 300px;
  object-fit: cover;
  object-position: 56% center;
  border-radius: 6px;
}
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 0;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
  font-size: .9375rem;
}
.quick-links li + li::before { content: "·"; margin-inline: .8rem; color: var(--muted); }
.publication-list {
  margin: 0;
  padding-left: 1.5rem;
  list-style: decimal;
  max-width: 850px;
}
.publication {
  padding-left: .5rem;
  margin-bottom: 2.25rem;
}
.publication::marker {
  font-size: .875rem;
  color: var(--muted);
}
.publication h2 {
  margin-bottom: .4rem;
  font-family: var(--sans);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
}
.publication-meta { margin-bottom: .55rem; font-size: .9375rem; color: var(--muted); }
.publication-resources {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  font-size: .9375rem;
}
/* Both controls occupy the first row. The open panel can use the full width
   below them, without changing either control's position. */
.paper-link {
  grid-area: 1 / 1;
  justify-self: start;
  align-self: start;
  position: relative;
  z-index: 1;
}
.research-abstract { grid-area: 1 / 1; min-width: 0; }
.research-abstract summary {
  width: fit-content;
  color: var(--link);
  cursor: pointer;
  counter-increment: none;
}
.publication-resources > .research-abstract > summary {
  margin-left: 8rem;
  white-space: nowrap;
}
.research-abstract summary:hover { text-decoration: underline; text-underline-offset: .2em; }
.research-abstract-content {
  max-width: 70ch;
  margin-top: .85rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--line);
  font-size: 1rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}
.research-abstract-content p:last-child { margin-bottom: 0; }
.resource-list { list-style: none; margin: 0; padding: 0; max-width: 74ch; }
.resource-list > li { margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.resource-list > li:last-child { border: 0; padding-bottom: 0; }
.resource-list h2 { font-family: var(--sans); font-size: 1.125rem; font-weight: 600; }
.resource-list p:last-child { margin-bottom: 0; }
.gallery-section + .gallery-section { margin-top: 3rem; }
.gallery-section > h2 { margin-bottom: 1.5rem; }
.gallery-date { color: var(--muted); font: .875rem var(--sans); display: block; margin-top: .4rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; align-items: start; }
.gallery-photo { margin: 0; min-width: 0; }
.gallery-photo img { width: 100%; height: auto; border-radius: 4px; }
.gallery-photo figcaption { margin-top: .8rem; font-size: .9375rem; color: var(--muted); line-height: 1.65; }
.gallery-feature { max-width: 640px; }
.contact-addresses { margin: 0 0 1.75rem; }
.contact-addresses p { margin-bottom: 1rem; }
.contact-addresses small { display: block; color: var(--muted); font-size: .875rem; }
.contact-note { margin-top: 2.25rem; color: var(--muted); }
mjx-container[display="true"] { max-width: 100%; overflow-x: auto; overflow-y: hidden; padding-bottom: .35rem; }

@media (max-width: 850px) {
  .header-inner { gap: 1.25rem; }
  .site-nav ul { column-gap: 1rem; }
  .home-layout { grid-template-columns: minmax(0, 1fr) 250px; gap: 2.5rem; }
  .portrait { width: 250px; height: 250px; }
}
@media (max-width: 700px) {
  .container { width: calc(100% - 2.5rem); }
  .header-inner { flex-direction: column; align-items: flex-start; gap: .9rem; padding-block: 1.25rem 1rem; }
  .site-nav { width: 100%; }
  .site-nav ul { display: grid; grid-template-columns: repeat(3, max-content); column-gap: 1.65rem; row-gap: .25rem; }
  .site-nav a { width: fit-content; min-height: 40px; }
  main { padding-block: 2.5rem 4rem; }
  h1 { margin-bottom: 1.5rem; }
  .home-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .portrait { width: min(300px, 100%); height: auto; aspect-ratio: 1; }
  .publication-list { padding-left: 1.3rem; }
  .publication { padding-left: .3rem; }
  .publication h2 { font-size: 1.0625rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-photo { max-width: 520px; }
  .contact-addresses a { overflow-wrap: anywhere; }
}
@media print {
  body { background: white; color: black; font-size: 11pt; }
  .site-header, .skip-link { display: none; }
  .container { width: 100%; }
  main { padding-block: 0; }
  a { color: inherit; }
}