/* nicolas-jimenez.github.io — academic site
   Single stylesheet, no external dependencies. */

:root {
  --bg:        #fdfdfb;
  --text:      #1b1b1a;
  --muted:     #63625d;
  --rule:      #e2e0d9;
  --link:      #1f4e79;
  --link-hover:#0f3557;
  --accent-bg: #f2f0e9;
  --measure:   43rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #16171a;
    --text:      #e6e5e0;
    --muted:     #a0a09a;
    --rule:      #33353a;
    --link:      #86b6e0;
    --link-hover:#a9cdef;
    --accent-bg: #1e2024;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* ---------- Header / nav ---------- */

header.site {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.1rem;
  margin-bottom: 2.4rem;
}

header.site .name {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
}

header.site .name a {
  color: var(--text);
  text-decoration: none;
  border-bottom: none;
}

nav.site {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  font-size: 0.95rem;
}

nav.site a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

nav.site a:hover { color: var(--link-hover); }

nav.site a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- Text ---------- */

a { color: var(--link); text-decoration: none; border-bottom: 1px solid rgba(31, 78, 121, 0.28); }
a:hover { color: var(--link-hover); border-bottom-color: currentColor; }
@media (prefers-color-scheme: dark) { a { border-bottom-color: rgba(134, 182, 224, 0.32); } }

h2 {
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2.8rem 0 1rem;
}

h2:first-of-type { margin-top: 0; }

h3 { font-size: 1.05rem; font-weight: 600; margin: 0 0 0.25rem; }

p { margin: 0 0 1.1rem; }

ul { padding-left: 1.2rem; margin: 0 0 1.1rem; }
li { margin-bottom: 0.45rem; }

.muted { color: var(--muted); }
.small { font-size: 0.92rem; }

/* ---------- Intro block ---------- */

.intro { display: flex; gap: 2rem; align-items: flex-start; }
.intro .bio { flex: 1 1 auto; min-width: 0; }

.portrait {
  flex: 0 0 auto;
  width: 168px;
  height: 210px;
  object-fit: cover;
  border-radius: 3px;
  background: var(--accent-bg);
  border: 1px solid var(--rule);
}

@media (max-width: 620px) {
  .intro { flex-direction: column; gap: 1.4rem; }
  .portrait { width: 140px; height: 175px; }
  body { font-size: 17px; }
  .wrap { padding-top: 2rem; }
}

/* ---------- Definition-style lists (fields, contact) ---------- */

dl.facts { margin: 0; }
dl.facts div { display: flex; gap: 0.9rem; margin-bottom: 0.45rem; }
dl.facts dt { flex: 0 0 7.5rem; color: var(--muted); font-size: 0.95rem; }
dl.facts dd { margin: 0; flex: 1 1 auto; min-width: 0; }

@media (max-width: 620px) {
  dl.facts div { flex-direction: column; gap: 0.1rem; margin-bottom: 0.8rem; }
  dl.facts dt { flex: none; }
}

/* ---------- Papers ---------- */

.paper { margin-bottom: 2.1rem; }

.paper .title { font-weight: 600; }

.paper .meta {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0.15rem 0 0.55rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.14rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--accent-bg);
  color: var(--muted);
  vertical-align: 0.12em;
  margin-left: 0.45rem;
  white-space: nowrap;
}

.links { font-size: 0.94rem; }
.links a { margin-right: 0.9rem; }

details.abstract { margin-top: 0.5rem; }

details.abstract > summary {
  cursor: pointer;
  font-size: 0.94rem;
  color: var(--muted);
  list-style: none;
  display: inline-block;
  border-bottom: 1px dotted var(--rule);
}

details.abstract > summary::-webkit-details-marker { display: none; }
details.abstract > summary::before { content: "▸ "; }
details.abstract[open] > summary::before { content: "▾ "; }
details.abstract > summary:hover { color: var(--link-hover); }

details.abstract .body {
  margin-top: 0.9rem;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
  font-size: 0.96rem;
}

details.abstract .body p:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */

footer.site {
  margin-top: 3.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.88rem;
}

footer.site p { margin: 0; }