/* ------------------------------------------------------------------
   Tokens
   ------------------------------------------------------------------ */
:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1f2124;
  --muted: #62666d;
  --rule: #e3e0d8;
  --accent: #1a4a7a;          /* same blue as the PDF CV links */
  --accent-soft: #e9eff6;
  --badge-bg: #f2efe7;

  --serif: "Source Serif 4", "Libertinus Serif", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131518;
    --surface: #1a1d21;
    --text: #e4e4e1;
    --muted: #9ba0a7;
    --rule: #2d3137;
    --accent: #8fb6e0;
    --accent-soft: #1d2835;
    --badge-bg: #23272d;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #131518;
  --surface: #1a1d21;
  --text: #e4e4e1;
  --muted: #9ba0a7;
  --rule: #2d3137;
  --accent: #8fb6e0;
  --accent-soft: #1d2835;
  --badge-bg: #23272d;
  color-scheme: dark;
}

/* ------------------------------------------------------------------
   Base
   ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
  font-optical-sizing: auto;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.18em; }

img { max-width: 100%; height: auto; }

h1, h2, h3 { font-weight: 600; line-height: 1.25; }

p { margin: 0 0 1em; }

.muted { color: var(--muted); }

/* ------------------------------------------------------------------
   Layout
   ------------------------------------------------------------------ */
.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 4rem;
}

.sidebar { position: sticky; top: 3rem; align-self: start; }

.main { min-width: 0; }

.content { max-width: 46rem; }

/* ------------------------------------------------------------------
   Sidebar profile
   ------------------------------------------------------------------ */
.avatar {
  display: block;
  width: 168px;
  height: 168px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--rule);
  margin-bottom: 1.25rem;
}

.profile .name {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}
.profile .name:hover { text-decoration: none; }

.profile .role {
  margin: 0.35rem 0 0.25rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
}

.profile .affil {
  margin: 0 0 1.25rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
}

.links {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.875rem;
}

.links li { margin: 0.2rem 0; }

.links a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  padding: 0.15rem 0;
}
.links a:hover { color: var(--accent); text-decoration: none; }
.links i { width: 1.1rem; text-align: center; font-size: 1rem; }

/* ------------------------------------------------------------------
   Top navigation
   ------------------------------------------------------------------ */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
}

.topnav ul {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.topnav a {
  display: block;
  padding: 0.75rem 0;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}
.topnav a:hover { color: var(--text); text-decoration: none; }
.topnav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }

.theme-toggle {
  flex: none;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 1.05rem;
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 6px;
}
.theme-toggle:hover { color: var(--text); background: var(--accent-soft); }

/* ------------------------------------------------------------------
   Content
   ------------------------------------------------------------------ */
.page-title {
  font-size: 2.1rem;
  margin: 0 0 1.75rem;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.3rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

/* Section headings echo the PDF: small caps over a rule */
.cv-section h2,
.home-block h2 {
  font-size: 1.25rem;
  font-weight: 400;
  font-variant: small-caps;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.3rem;
  margin: 2.5rem 0 1rem;
}
.cv-section:first-of-type h2 { margin-top: 0; }

.more { font-family: var(--sans); font-size: 0.9rem; }

/* ------------------------------------------------------------------
   Publications
   ------------------------------------------------------------------ */
.pubs { list-style: none; margin: 0; padding: 0; }

.pub { padding: 0.7rem 0; }
.pub + .pub { border-top: 1px dashed var(--rule); }

.pub-title { font-weight: 600; line-height: 1.4; }
.pub-title a { color: var(--text); }
.pub-title a:hover { color: var(--accent); }

.pub-authors,
.pub-venue {
  font-size: 0.975rem;
  color: var(--muted);
}
.pub-authors strong { color: var(--text); font-weight: 600; }

.badge {
  display: inline-block;
  margin-left: 0.25rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: var(--badge-bg);
  font-family: var(--sans);
  font-size: 0.75rem;
  line-height: 1.6rem;
  color: var(--muted);
}
.pub-venue .badge:first-child { margin-left: 0; }

.pub-links {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.4rem;
  margin-top: 0.45rem;
}

.chip {
  display: inline-block;
  padding: 0.05rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--accent);
  background: var(--surface);
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); text-decoration: none; }

.pub-links details { display: contents; }
.pub-links summary { list-style: none; }
.pub-links summary::-webkit-details-marker { display: none; }
.pub-links details[open] summary { background: var(--accent-soft); border-color: var(--accent); }
.pub-links details p {
  flex-basis: 100%;
  margin: 0.4rem 0 0.2rem;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  font-size: 0.975rem;
}

/* ------------------------------------------------------------------
   CV
   ------------------------------------------------------------------ */
.cv-download { margin-bottom: 2rem; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
}
.button:hover { text-decoration: none; filter: brightness(1.1); }

.dated, .plain { list-style: none; margin: 0; padding: 0; }

.dated li {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 0.45rem 0;
}

.dated .when {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  padding-top: 0.2rem;
  font-variant-numeric: tabular-nums;
}

.dated .title { font-weight: 600; line-height: 1.45; }
.dated .details { color: var(--muted); font-size: 0.975rem; }

.plain li { padding: 0.3rem 0; }

.inline-list { display: flex; flex-wrap: wrap; gap: 0.35rem 1.5rem; }

/* ------------------------------------------------------------------
   Research
   ------------------------------------------------------------------ */
.project {
  padding: 0 0 2.25rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--rule);
}
.project:last-child { border-bottom: 0; }

.project img {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid var(--rule);
  margin-bottom: 1.25rem;
  background: var(--surface);
}

.project h2 { font-size: 1.45rem; margin: 0 0 0.6rem; }

.project h3 {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.25rem 0 0.25rem;
}

/* ------------------------------------------------------------------
   Teaching
   ------------------------------------------------------------------ */
.courses { list-style: none; margin: 0; padding: 0; }

.course { padding: 1.1rem 0; border-bottom: 1px solid var(--rule); }
.course:first-child { padding-top: 0; }

.course-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.course h2 { font-size: 1.2rem; margin: 0; }

.years {
  flex: none;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.course-meta {
  margin: 0.2rem 0 0.3rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--accent);
}

.course-details { margin: 0; color: var(--muted); font-size: 0.975rem; }

/* ------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------ */
.footer {
  max-width: 46rem;
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ------------------------------------------------------------------
   Small screens
   ------------------------------------------------------------------ */
@media (max-width: 860px) {
  .shell {
    display: block;
    padding: 1.5rem 16px 2rem;
  }

  .sidebar { position: static; margin-bottom: 1.5rem; }

  .profile {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 0 1rem;
    align-items: center;
  }
  .avatar { width: 76px; height: 76px; margin: 0; }
  .profile .name { font-size: 1.3rem; }
  .profile .affil { margin: 0; font-size: 0.8rem; }

  .links {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
  }
  .links span { display: none; }
  .links i { font-size: 1.15rem; }
  .links li:last-child span { display: inline; }

  .topnav { margin-bottom: 1.75rem; }
  .topnav ul { gap: 1rem; }
  .topnav { font-size: 0.875rem; }

  body { font-size: 1.0625rem; }
  .page-title { font-size: 1.75rem; }

  .dated li { grid-template-columns: 1fr; gap: 0.1rem; }
  .course-head { flex-direction: column; gap: 0.1rem; }
}