:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --border: #e0e0e0;
  --accent: #a34a1f;
  --accent-fg: #fff8f2;
  --max-width: 42rem;

  --font-serif: Charter, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15161a;
    --fg: #ececea;
    --muted: #a5a19b;
    --border: #33353a;
    --accent: #e8935c;
    --accent-fg: #1c1200;
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  padding: 3rem 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: var(--max-width);
  margin-inline: auto;
}

a {
  color: var(--fg);
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 2.75rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 1rem;
  margin: 1.5rem 0 0.75rem;
  color: var(--muted);
}

.site-header {
  padding-bottom: 1.75rem;
  margin-bottom: 0.5rem;
  border-bottom: 3px solid var(--accent);
}

.site-header .pull {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.4;
  margin: 0.9rem 0 1rem;
  max-width: 34rem;
}

.site-header .meta {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 1.1rem;
}

.contact-links {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.pub-list, .project-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pub, .project {
  padding: 1.1rem 0 1.1rem 1rem;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid var(--border);
}

.pub:last-child, .project:last-child {
  border-bottom: none;
}

.pub--award {
  border-left-color: var(--accent);
}

.pub-title {
  font-weight: 600;
  margin: 0 0 0.3rem;
}

.pub-authors {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.15rem 0;
}

.pub-venue {
  margin: 0.5rem 0;
}

.pub-venue-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.15rem 0.7rem;
}

.pub-award {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-fg);
  background: var(--accent);
  border-radius: 1rem;
  padding: 0.2rem 0.75rem;
  margin: 0.15rem 0.4rem 0.15rem 0;
}

.pub-links, .project-links {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  display: flex;
  gap: 1rem;
  margin: 0.6rem 0 0;
}

.project h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--fg);
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0.5rem 0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
}

.tags li {
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.15rem 0.55rem;
  border-radius: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.breadcrumb {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

.demo-header h1 {
  font-size: 1.6rem;
}

.demo-disclaimer {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  margin: 1.5rem 0;
}

#demo-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

#demo-form label {
  flex-basis: 100%;
}

#demo-form input[type="file"] {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--fg);
}

#demo-form button {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-fg);
  background: var(--accent);
  border: none;
  border-radius: 0.4rem;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
}

#demo-form button:disabled {
  opacity: 0.5;
  cursor: default;
}

#demo-status {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--muted);
  min-height: 1.2em;
}

.demo-labels {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.demo-labels li {
  display: grid;
  grid-template-columns: 9rem 1fr 3rem;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0;
}

.demo-label-bar {
  display: block;
  height: 0.5rem;
  border-radius: 0.25rem;
  background: var(--border);
  overflow: hidden;
}

.demo-label-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
}

.demo-label-pct {
  text-align: right;
  color: var(--muted);
}

#demo-result img {
  max-width: 100%;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

.site-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 30rem) {
  body {
    font-size: 1rem;
    padding: 2rem 1rem 3rem;
  }

  h1 {
    font-size: 1.7rem;
  }

  .site-header .pull {
    font-size: 1.2rem;
  }
}