/* ---- al-folio–inspired academic theme (over Foundation) ---- */

/* Dark is the default theme (applied on :root / [data-theme="dark"]) */
:root,
[data-theme="dark"] {
  --ink:        #e8e8e8;   /* light text on dark */
  --paper:      #1c1d20;   /* near-black background */
  --card:       #26272b;   /* raised surfaces */
  --accent:     #e14bd6;   /* brighter magenta for dark bg */
  --muted:      #9a9a9f;   /* grey secondary text */
  --line:       #34353a;   /* hairline rule */
  --hover-bg:   #2c2d31;
}

[data-theme="light"] {
  --ink:        #212529;
  --paper:      #ffffff;
  --card:       #f5f5f5;
  --accent:     #b509ac;
  --muted:      #828282;
  --line:       #e8e8e8;
  --hover-bg:   #f5f5f5;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }
[data-theme="light"] html { color-scheme: light; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.wrap { max-width: 920px; margin: 0 auto; padding: 0 1.25rem; }

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

/* ---- Top nav: brand left, horizontal links, theme toggle ---- */
.site-nav { padding: 1.5rem 0 0.4rem; }
.site-nav .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.site-nav .brand {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.site-nav .brand:hover { color: var(--ink); text-decoration: none; }
.site-nav .nav-right { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.site-nav ul {
  list-style: none;
  margin: 0;
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.site-nav ul a {
  color: var(--ink);
  font-size: 1rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  display: inline-block;
}
.site-nav ul a:hover { background: var(--hover-bg); text-decoration: none; }
.site-nav ul a.active { color: var(--accent); font-weight: 500; }

/* ---- Theme toggle button ---- */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  width: 2.3rem; height: 2.3rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.theme-toggle:hover { background: var(--hover-bg); border-color: var(--accent); color: var(--accent); }
.theme-toggle .icon-light { display: none; }
.theme-toggle .icon-dark  { display: inline; }
[data-theme="light"] .theme-toggle .icon-light { display: inline; }
[data-theme="light"] .theme-toggle .icon-dark  { display: none; }

hr.nav-rule { border: 0; border-top: 1px solid var(--line); margin: 0.6rem 0 2.5rem; }

/* ---- Page headings ---- */
h1.page-title {
  font-size: 2.75rem; font-weight: 400; letter-spacing: -0.02em; margin: 0 0 0.15rem;
}
.page-sub { color: var(--muted); font-size: 1.1rem; margin-bottom: 2.5rem; }

h2.heading { font-size: 1.75rem; font-weight: 400; color: var(--ink); margin: 2.75rem 0 1.25rem; }
h2.heading a { color: var(--ink); }

/* ---- Home hero ---- */
.hero { margin-bottom: 1rem; }
.hero h1 { font-size: 2.75rem; font-weight: 400; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.hero .about-line { color: var(--muted); font-size: 1.05rem; margin-bottom: 1.5rem; }
.hero .about-line a { color: var(--accent); }

/* .profile-photo {
  width: 100%; max-width: 240px;
  border-radius: 50%; aspect-ratio: 1 / 1; object-fit: cover;
  display: block; margin: 0 auto 1rem;
} */
.profile-photo {
  width: 100%; max-width: 240px;
  border-radius: 50%; aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 30%; /* nudge crop upward toward the face; tweak % as needed */
  display: block; margin: 2.5rem auto 1rem; /* top spacing pushes photo further down */
}

.contact-block { text-align: center; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.bio p { margin-bottom: 1.1rem; }

/* ---- Social icons ---- */
.socials { margin: 1.5rem 0 0; display: flex; gap: 1.1rem; font-size: 1.35rem; }
.socials a { color: var(--muted); }
.socials a:hover { color: var(--accent); text-decoration: none; }

/* ---- News table (override Foundation's default table skin) ---- */
table.news {
  width: 100%;
  border-collapse: collapse;
  background: transparent;
  margin: 0;
}
table.news tbody,
table.news tr { background: transparent; border: 0; }
table.news td,
table.news tbody td {
  padding: 0.5rem 0.75rem 0.5rem 0;
  vertical-align: top;
  border: 0;
  background: transparent;
  color: var(--ink);
}
table.news td.date { color: var(--muted); white-space: nowrap; width: 8.5rem; font-size: 0.95rem; }

/* ---- Publications ---- */
.pub { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1.25rem; padding: 1.1rem 0; }
.pub .preview {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 0.65rem; text-align: center; padding: 0.25rem;
}
.pub .title-line { font-weight: 500; color: var(--ink); margin-bottom: 0.15rem; }
.pub .authors { color: var(--ink); font-size: 0.95rem; }
.pub .authors .me { font-weight: 700; }
.pub .venue { color: var(--muted); font-style: italic; font-size: 0.92rem; }
.pub .venue .year { font-style: normal; }
.pub .badges { margin-top: 0.45rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }
.pub .badges a {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em;
  border: 1px solid var(--accent); color: var(--accent);
  padding: 0.08rem 0.5rem; border-radius: 4px;
}
.pub .badges a:hover { background: var(--accent); color: var(--paper); text-decoration: none; }

/* ---- Experience / CV entries ---- */
.entry { display: grid; grid-template-columns: 9rem 1fr; gap: 1.25rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.entry .when { color: var(--muted); font-size: 0.95rem; padding-top: 0.15rem; }
.entry h3 { font-size: 1.15rem; font-weight: 500; margin: 0 0 0.15rem; }
.entry .org { color: var(--muted); font-style: italic; }
.entry ul { margin: 0.5rem 0 0 1.1rem; }
.entry ul li { margin-bottom: 0.25rem; }

/* ---- Teaching ---- */
.course { display: grid; grid-template-columns: 9rem 1fr; gap: 1.25rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.course .code { color: var(--muted); font-size: 0.95rem; padding-top: 0.15rem; }
.course h3 { font-size: 1.15rem; font-weight: 500; margin: 0 0 0.1rem; }
.course .role { color: var(--muted); font-size: 0.95rem; }

/* ---- Footer ---- */
.site-footer {
  margin-top: 4rem; padding: 2rem 0; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.85rem; text-align: center;
}

@media screen and (max-width: 39.9375em) {
  h1.page-title, .hero h1 { font-size: 2.1rem; }
  .entry, .course { grid-template-columns: 1fr; gap: 0.2rem; }
  .site-nav .bar { flex-direction: column; align-items: flex-start; }
}