/* Students and staff pages. Colours match the profile pages: blue for the current team, amber for alumni,
   slate for collaborators from other institutions. */
.people-directory {
  --directory-ink: #1d3042;
  --directory-body: #4b5b68;
  --directory-rule: #dde4e9;
  --directory-bg: #fdfdfc;
  --directory-blue: #1d639e;
  --directory-blue-tint: #d9e9f8;
  --directory-blue-fade: #edf4fb;
  --directory-amber: #c88d49;
  --directory-amber-tint: #fff0dc;
  --directory-slate: #6590b6;
  --directory-slate-tint: #eaf1f8;
  --directory-blue-ink: color-mix(in srgb, var(--directory-blue) 68%, var(--directory-ink));
  --directory-amber-ink: color-mix(in srgb, var(--directory-amber) 62%, var(--directory-ink));
  --directory-slate-ink: color-mix(in srgb, var(--directory-slate) 72%, var(--directory-ink));
  color: var(--directory-ink);
  font-family: "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-wrap: break-word;
}

body.dark-theme .people-directory {
  --directory-ink: #edf3f7;
  --directory-body: #c0ccd6;
  --directory-rule: #364956;
  --directory-bg: #17232e;
  --directory-blue: #88bde9;
  --directory-blue-tint: #274661;
  --directory-blue-fade: #203649;
  --directory-amber: #d9a76d;
  --directory-amber-tint: #493625;
  --directory-slate: #7098b9;
  --directory-slate-tint: #23394c;
}

/* As wide as the profile pages, so cards sit two or three to a row. */
main article.people-directory { max-width: 1020px; }
.people-directory *, .people-directory *::before, .people-directory *::after { box-sizing: border-box; }
.people-directory a { text-decoration: none; }
.people-directory a:focus-visible { outline: 2px solid var(--directory-blue); outline-offset: 3px; }
.people-directory ul, .people-directory ol { list-style: none; margin: 0; padding: 0; }
.people-directory li { margin: 0; padding: 0; }
.people-directory img { float: none; max-width: none; margin: 0; padding: 0; }
/* The site justifies article paragraphs; this page sets short ragged lines. */
article.single.people-directory p { text-align: left !important; }

.people-directory > header h1 { color: var(--directory-ink); font-family: Georgia, "Times New Roman", serif; font-size: 34px; font-weight: 400; letter-spacing: -.03em; line-height: 1.15; margin: 0 0 8px; }
.people-directory .directory-lead { color: var(--directory-body); font-size: 14px; line-height: 1.7; max-width: 62ch; margin: 0 0 20px; }

.people-directory .directory-stats { display: flex; flex-wrap: wrap; margin: 0; padding: 14px 0; border-top: 1px solid var(--directory-rule); border-bottom: 1px solid var(--directory-rule); }
.people-directory .directory-stats > div { display: flex; flex-direction: column; padding: 0 26px; border-left: 1px solid var(--directory-rule); }
.people-directory .directory-stats > div:first-child { padding-left: 0; border-left: 0; }
.people-directory .directory-stats dt { order: 1; color: var(--directory-body); font-size: 10px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.people-directory .directory-stats dd { order: 2; color: var(--directory-blue-ink); font-family: Georgia, "Times New Roman", serif; font-size: 30px; line-height: 1.1; margin: 0; }
.people-directory .directory-stat-alumni dd { color: var(--directory-amber-ink); }

.people-directory .directory-section { padding-top: 34px; }
.people-directory .directory-section > h2 { display: flex; align-items: baseline; gap: 10px; color: var(--directory-ink); font-family: Georgia, "Times New Roman", serif; font-size: 25px; font-weight: 400; line-height: 1.3; margin: 0 0 4px; }
.people-directory .directory-section > h2 span { color: var(--directory-blue-ink); font-size: 26px; }
.people-directory .directory-alumni-section > h2 span { color: var(--directory-amber-ink); }

/* Current researchers: one card per person, grouped by level. */
.people-directory .directory-level { margin-top: 16px; }
.people-directory .directory-level h3 { display: flex; align-items: center; gap: 8px; color: var(--directory-blue-ink); font-family: inherit; font-size: 10.5px; font-weight: 600; letter-spacing: .09em; line-height: 1.4; text-transform: uppercase; margin: 0 0 10px; }
.people-directory .directory-level h3 span { color: var(--directory-body); font-weight: 400; letter-spacing: 0; }
.people-directory .directory-level h3::after { content: ""; flex: 1; height: 1px; background: var(--directory-rule); }
.people-directory .directory-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.people-directory .directory-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 13px;
  height: 100%;
  padding: 11px 13px 12px 11px;
  color: var(--directory-ink);
  background: linear-gradient(180deg, var(--directory-blue-fade), var(--directory-bg) 70%);
  border: 1px solid var(--directory-rule);
  border-top: 2px solid var(--directory-blue);
  border-radius: 0 0 6px 6px;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.people-directory .directory-card:hover { color: var(--directory-ink); border-color: var(--directory-blue); box-shadow: 0 6px 18px -12px rgba(16, 40, 70, .45); transform: translateY(-1px); }
.people-directory .directory-portrait { display: grid; place-items: center; width: 56px; height: 70px; object-fit: cover; border-radius: 5px; background: var(--directory-blue-tint); color: var(--directory-blue-ink); font-size: 15px; font-weight: 600; letter-spacing: .03em; }
.people-directory .directory-card-body { display: flex; flex-direction: column; min-width: 0; }
.people-directory .directory-name { color: var(--directory-ink); font-size: 13.5px; font-weight: 600; line-height: 1.35; }
.people-directory .directory-meta { color: var(--directory-blue-ink); font-size: 10px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin: 2px 0 6px; }
.people-directory .directory-project { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; color: var(--directory-body); font-family: Georgia, "Times New Roman", serif; font-size: 12.5px; font-style: italic; line-height: 1.45; }

/* Alumni: a timeline by the year of each person's latest work. */
.people-directory .directory-timeline { margin-top: 14px; }
.people-directory .directory-year { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 0 16px; padding: 12px 0; border-top: 1px solid var(--directory-rule); }
.people-directory .directory-year h3 { color: var(--directory-amber-ink); font-family: Georgia, "Times New Roman", serif; font-size: 21px; font-weight: 400; line-height: 1.3; margin: 0; }
.people-directory .directory-alumni { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 12px 22px; }
.people-directory .directory-alum { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 11px; align-items: start; }
.people-directory .directory-avatar { display: grid; place-items: center; width: 34px; height: 34px; object-fit: cover; border-radius: 50%; background: var(--directory-amber-tint); box-shadow: 0 0 0 1px var(--directory-bg), 0 0 0 2px var(--directory-amber-tint); color: var(--directory-amber-ink); font-size: 11px; font-weight: 600; }
.people-directory .directory-alum a.directory-name:hover { color: var(--directory-ink); text-decoration: underline; text-decoration-color: var(--directory-amber); text-underline-offset: 3px; }
.people-directory .directory-works li { display: flex; align-items: baseline; gap: 8px; margin-top: 3px; }
.people-directory .directory-chip { flex: none; color: var(--directory-amber-ink); font-size: 9.5px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; white-space: nowrap; }
.people-directory .directory-work { color: var(--directory-body); font-family: Georgia, "Times New Roman", serif; font-size: 12.5px; font-style: italic; line-height: 1.45; }

/* Staff: the team as portrait cards, the heads of the laboratory larger; single-person groups share a row. */
.people-directory .directory-levels { display: flex; flex-wrap: wrap; gap: 0 14px; }
.people-directory .directory-levels > .directory-level { flex: 1 1 100%; min-width: 0; }
.people-directory .directory-levels > .directory-level[data-count="1"] { flex: 1 1 240px; }
.people-directory .directory-staff-cards { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.people-directory .directory-features { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
/* The name link covers the card; the e-mail link sits above it. */
.people-directory .directory-staff-card { position: relative; }
.people-directory .directory-staff-card .directory-name::after { content: ""; position: absolute; inset: 0; }
.people-directory .directory-staff-card:focus-within { outline: 2px solid var(--directory-blue); outline-offset: 2px; }
.people-directory .directory-staff-card .directory-name:focus-visible { outline: none; }
.people-directory .directory-email { position: relative; z-index: 1; align-self: flex-start; color: var(--directory-blue-ink); font-size: 11.5px; line-height: 1.5; margin-top: 4px; overflow-wrap: anywhere; }
.people-directory .directory-email:hover { color: var(--directory-blue-ink); text-decoration: underline; }
.people-directory .directory-feature { grid-template-columns: 80px minmax(0, 1fr); gap: 16px; padding: 14px 16px 15px 14px; }
.people-directory .directory-feature .directory-portrait { width: 80px; height: 100px; font-size: 21px; }
.people-directory .directory-feature .directory-name { font-family: Georgia, "Times New Roman", serif; font-size: 18px; font-weight: 400; line-height: 1.3; }

/* Collaborators: other institutions, linked to their own pages. */
.people-directory .directory-collaborators-section > h2 span { color: var(--directory-slate-ink); }
.people-directory .directory-collaborators { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 14px 24px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--directory-rule); }
.people-directory .directory-collaborator { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 11px; align-items: start; }
.people-directory .directory-collaborator .directory-avatar { background: var(--directory-slate-tint); box-shadow: 0 0 0 1px var(--directory-bg), 0 0 0 2px var(--directory-slate-tint); color: var(--directory-slate-ink); }
.people-directory .directory-collaborator .directory-name::after { content: " \2197"; content: " \2197" / ""; color: var(--directory-slate-ink); font-size: 11px; }
.people-directory .directory-collaborator .directory-name:hover { color: var(--directory-ink); text-decoration: underline; text-decoration-color: var(--directory-slate); text-underline-offset: 3px; }
.people-directory .directory-topic { display: block; color: var(--directory-body); font-family: Georgia, "Times New Roman", serif; font-size: 12.5px; font-style: italic; line-height: 1.45; margin-top: 1px; }
.people-directory .directory-institution { display: block; color: var(--directory-body); font-size: 10.5px; letter-spacing: .02em; line-height: 1.5; margin-top: 2px; }

/* Narrow content: Flex's sidebar squeeze, or a phone. */
@media (max-width: 1000px) and (min-width: 768px), (max-width: 620px) {
  .people-directory .directory-alumni, .people-directory .directory-collaborators { grid-template-columns: minmax(0, 1fr); }
  .people-directory .directory-stats > div { padding: 0 16px; }
}

@media (max-width: 460px) {
  .people-directory > header h1 { font-size: 30px; }
  .people-directory .directory-stats > div { padding: 0 11px; }
  .people-directory .directory-stats dd { font-size: 24px; }
  .people-directory .directory-year { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .people-directory .directory-card { transition: none; }
  .people-directory .directory-card:hover { transform: none; }
}