/* Shared styles for index.html, datasets.html and ICCV2023_Brown.html
   Simple academic style: white page, one red accent, compact sans headings. */
:root {
  --bg: #ffffff;
  --ink: #111111;
  --text: #222222;
  --muted: #666666;
  --line: #d6d6d6;
  --accent: #a6192e;
  --sans: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --serif: 'Roboto Serif', Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 15px; line-height: 1.5; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }

.page { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1.5rem 3rem; }
@media (max-width: 640px) { .page { padding: 1rem 1rem 2.5rem; } }

/* ---------- Header ---------- */
.top { display: flex; gap: 1.6rem; align-items: center; }
.portrait-link { flex: none; display: block; }
.portrait { width: 130px; height: 130px; border-radius: 50%; object-fit: cover; object-position: center 22%; display: block; }
h1 { font-family: var(--sans); font-weight: 400; font-size: 2.1rem; line-height: 1.15; color: var(--accent); }
.icons { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem 1.1rem; margin-top: .35rem; font-size: .88rem; }
.icons a, .icons .mail { display: inline-flex; align-items: center; gap: .35rem; color: var(--ink); }
.icons a:hover { color: var(--accent); }
.icons svg { width: 17px; height: 17px; color: var(--ink); }
.icons a:hover svg { color: var(--accent); }
.top .role { margin-top: .7rem; font-family: var(--serif); font-size: .95rem; line-height: 1.6; max-width: 62rem; }
.top .role b { font-weight: 600; color: var(--ink); }
hr.accent { border: 0; border-top: 1px solid var(--accent); margin: 1.25rem 4% 0; }
@media (max-width: 640px) {
  .top { align-items: flex-start; gap: 1rem; }
  .portrait { width: 92px; height: 92px; }
  h1 { font-size: 1.7rem; }
}

/* ---------- Sections ---------- */
main section { padding: 1.6rem 0 1.8rem; border-bottom: 1px solid var(--line); }
main section:last-child { border-bottom: 0; }
h2 { font-family: var(--sans); font-weight: 500; font-size: 1.3rem; color: var(--ink); margin-bottom: 1rem; }
h3.sub-h { font-size: 1rem; font-weight: 500; margin: 1.2rem 0 .4rem; color: var(--ink); }

/* Featured entries (thumbnail + text), as on a papers list */
.entry { display: grid; grid-template-columns: 150px 1fr; gap: 1.1rem; align-items: start; }
.entry + .entry { margin-top: 1.6rem; }
.thumb { display: block; }
.thumb img { width: 150px; height: 105px; object-fit: cover; display: block; border: 1px solid var(--line); }
.entry .title { display: block; font-weight: 500; font-size: 1rem; color: var(--ink); }
.entry .title:hover { color: var(--accent); }
.entry .authors { font-style: italic; font-size: .85rem; color: var(--text); margin-top: .1rem; }
.entry .authors b { font-weight: 500; }
.entry .venue { font-size: .82rem; color: var(--text); margin-top: .15rem; }
@media (max-width: 640px) {
  .entry { grid-template-columns: 96px 1fr; gap: .8rem; }
  .thumb img { width: 96px; height: 70px; }
}

/* Pill buttons */
.pills, .ds .links { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .55rem; }
.pills a, .ds .links a {
  display: inline-block; font-size: .76rem; line-height: 1; padding: .42rem .7rem;
  border: 1px solid var(--accent); border-radius: 999px; color: var(--ink); background: var(--bg);
  box-shadow: 1px 1px 0 var(--accent); transition: background .15s, color .15s;
}
.pills a:hover, .ds .links a:hover { background: var(--accent); color: #fff; }

/* Rows (teaching, service) */
.rows { display: grid; gap: .55rem; }
.row { display: grid; grid-template-columns: 140px 1fr; gap: 1rem; }
.row dt { font-weight: 500; color: var(--ink); }
#service dd span { display: block; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; gap: 0; } }

/* ---------- People ---------- */
.people { display: grid; grid-template-columns: repeat(3, 1fr); gap: .15rem 1.5rem; }
@media (max-width: 900px) { .people { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .people { grid-template-columns: 1fr; } }
.people.single, .people.phd { grid-template-columns: 1fr; }
.person { display: flex; flex-direction: column; padding: .3rem 0; }
.person .line1 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 .5rem; }
.person .name { font-weight: 500; color: var(--ink); }
.person .meta { font-size: .85rem; color: var(--muted); }
.person .thesis { font-style: italic; font-size: .9rem; }
.person .role, .person .now, .person .award { font-size: .85rem; color: var(--muted); }
.people.phd .person { padding: .5rem 0; }

/* ---------- Contact / footer ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; max-width: 46rem; }
@media (max-width: 640px) { .contact { grid-template-columns: 1fr; } }
.contact .label { font-weight: 500; color: var(--ink); }
.contact a { color: var(--accent); }
footer { margin-top: 1.5rem; padding-top: .8rem; border-top: 1px solid var(--ink); text-align: center; font-size: .78rem; color: var(--text); }
footer a { color: var(--accent); }

/* ---------- Sub-pages ---------- */
.back { font-size: .85rem; color: var(--accent); }
.back:hover { text-decoration: underline; }
.page-head { padding: 1rem 0 1.25rem; border-bottom: 1px solid var(--accent); }
.page-head h1 { margin-top: .5rem; }
.page-head p { margin-top: .4rem; font-family: var(--serif); font-size: .95rem; }
.eyebrow { font-family: var(--sans) !important; font-size: .8rem !important; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: .6rem 0 0 !important; }

/* Datasets */
.filters { display: flex; flex-wrap: wrap; gap: .3rem 1.1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.filters button {
  font: inherit; font-size: .85rem; cursor: pointer; background: none; border: 0; padding: .1rem 0;
  color: var(--muted); border-bottom: 2px solid transparent;
}
.filters button:hover { color: var(--ink); }
.filters button[aria-pressed="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.ds-group { padding-top: 1.4rem; }
.ds-group[hidden] { display: none; }
.ds { padding: .9rem 0; }
.ds[hidden] { display: none; }
.ds + .ds { border-top: 1px solid #eeeeee; }
.ds h3 { font-weight: 500; font-size: 1rem; color: var(--ink); }
.ds .venue b { font-weight: 400; font-size: .82rem; }
.ds .authors { font-style: italic; font-size: .85rem; }
.ds .stat { font-size: .82rem; color: var(--muted); margin-top: .15rem; }
.ds p { font-size: .9rem; margin-top: .3rem; max-width: 62rem; }
.ds .foot { margin-top: .1rem; }
.ds .tags { display: none; }

/* Tutorial */
.strong { font-weight: 500; color: var(--ink); }
.muted { color: var(--muted); font-size: .9rem; }
main p { max-width: 62rem; }
.sched { display: grid; gap: 1.2rem; }
.time { font-size: .82rem; color: var(--accent); }
.outline { display: flex; flex-direction: column; margin-top: .4rem; }
.outline span { padding: .12rem 0; }
.outline.sub { margin: .1rem 0 .2rem 1.2rem; padding-left: .8rem; border-left: 2px solid var(--line); }
.outline.sub span { color: var(--muted); font-size: .92rem; }
.refs p { font-size: .9rem; padding: .2rem 0; }