:root {
  color-scheme: dark;
  --paper: #131915;
  --surface: #1b231e;
  --ink: #e4ebe5;
  --muted: #9caba0;
  --line: #2c3830;
  --accent: #8fc7a6;       /* change this one value to re-color the site */
  --accent-soft: #223029;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--serif); font-size: 1.125rem; line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px;
}
.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 44rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--surface); padding: .5rem 1rem; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.brand-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: 1.5rem 0 1rem; }
.brand { text-decoration: none; color: var(--ink); }
.brand-name { display: block; font-size: 1.75rem; font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }
.brand-tag { display: block; font-style: italic; color: var(--muted); font-size: 1.05rem; }
.menu-btn { display: none; font: 500 .95rem var(--sans); background: none; border: 1px solid var(--line); color: var(--ink); padding: .4rem .85rem; border-radius: 4px; cursor: pointer; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.6rem; }
.main-nav a { display: block; padding: .55rem 0; font: .95rem var(--sans); color: var(--muted); text-decoration: none; }
.main-nav a:hover { color: var(--ink); }
.main-nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 760px) {
  .brand-row { align-items: center; }
  .menu-btn { display: block; }
  .main-nav { display: none; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding-bottom: .5rem; }
  .main-nav a { padding: .7rem 0; border-top: 1px solid var(--line); }
  .main-nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--accent); padding-left: .75rem; }
}

/* Banner photo */
.banner { width: 100%; height: clamp(9rem, 22vw, 15rem); object-fit: cover; background: var(--accent-soft); }

/* Page content */
main { padding: 3.5rem 0 4.5rem; }
h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 500; line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 1.75rem; }
h2 { font-size: 1.7rem; font-weight: 500; line-height: 1.2; margin: 3.25rem 0 1rem; }
h3 { font-size: 1.2rem; font-weight: 600; line-height: 1.35; margin: 2rem 0 .4rem; }
p { margin: 0 0 1rem; }
.lede { font-size: clamp(1.3rem, 2.5vw, 1.65rem); line-height: 1.4; max-width: 38ch; margin-bottom: 2.5rem; }
.note { font-family: var(--sans); font-size: .95rem; color: var(--muted); }
.placeholder { border: 1px dashed var(--line); background: var(--surface); padding: 1.25rem 1.5rem; border-radius: 4px; color: var(--muted); }

/* Welcome page */
.welcome-grid { display: grid; grid-template-columns: 15rem 1fr; gap: 2rem; align-items: start; }
.welcome-grid .pi-photo { border-radius: 4px; width: 100%; }
.pi { margin-top: .25rem; }
.pi-name { font-size: 1.35rem; font-weight: 600; margin: 0; }
.pi p { margin: 0; }
.pi .gap { margin-top: .9rem; }
@media (max-width: 600px) { .welcome-grid { grid-template-columns: 1fr; } .welcome-grid .pi-photo { max-width: 13rem; } }

.book { display: grid; grid-template-columns: 11rem 1fr; gap: 2rem; align-items: start; margin-top: 3.5rem; padding-top: 3rem; border-top: 1px solid var(--line); }
.book img { border-radius: 2px; box-shadow: 0 1px 0 var(--line); }
.book h2 { margin-top: 0; }
@media (max-width: 600px) { .book { grid-template-columns: 1fr; } .book img { max-width: 10rem; } }

.chapters { list-style: none; margin: 1.5rem 0 0; padding: 0; }
.chapters li { padding: 1.1rem 0; border-top: 1px solid var(--line); }
.chapters .ch-title { font-weight: 600; display: block; }
.chapters .ch-sub { display: block; color: var(--muted); font-size: 1rem; }
audio { width: 100%; max-width: 30rem; margin-top: .6rem; height: 2.4rem; }

/* Projects (Research) */
.project { padding: 1.5rem 0; border-top: 1px solid var(--line); }
.project:first-of-type { border-top: 0; }
.project h3 { margin: 0 0 .15rem; }
.funder { font-family: var(--sans); font-size: .9rem; color: var(--muted); margin: 0 0 .15rem; }
.team { font-style: italic; color: var(--muted); margin: 0 0 .6rem; }
.project p:last-child { margin-bottom: 0; }
.logos { display: flex; flex-wrap: wrap; align-items: center; gap: 2rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.logos img { height: 4rem; width: auto; }
.figure { margin: 1.5rem 0 0; }
.figure img { border-radius: 4px; }

/* Publications */
.search { display: block; font-family: var(--sans); font-size: .9rem; color: var(--muted); margin: 1.5rem 0 1rem; }
.search span { display: block; margin-bottom: .4rem; }
.search input {
  width: 100%; max-width: 28rem; font: 1rem var(--sans); color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: .65rem .8rem;
}
.year-nav { font-family: var(--sans); font-size: .9rem; display: flex; flex-wrap: wrap; gap: .3rem .9rem; margin: 0 0 2rem; }
.year-block { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1rem; padding: 1.5rem 0; border-top: 1px solid var(--line); }
.year-block h3 { margin: 0; font: 600 1rem var(--sans); color: var(--muted); padding-top: .2rem; }
.pubs { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.1rem; }
.pubs li { font-size: 1.02rem; line-height: 1.55; overflow-wrap: anywhere; }
.pubs b { font-weight: 600; color: var(--ink); }
@media (max-width: 600px) { .year-block { grid-template-columns: 1fr; gap: .5rem; } }

/* Software */
.package { padding: 1.5rem 0; border-top: 1px solid var(--line); }
.package:first-of-type { border-top: 0; padding-top: 0; }
.package h2 { margin: 0 0 .6rem; font-size: 1.4rem; }
pre { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: .8rem 1rem; overflow-x: auto; font-size: .95rem; }

/* GVP */
.requirements { padding-left: 1.4rem; }
.requirements li { margin-bottom: .35rem; }
.example { display: grid; grid-template-columns: 1fr 15rem; gap: 2rem; align-items: start; margin-top: 2rem; }
.example img { border-radius: 4px; }
@media (max-width: 680px) { .example { grid-template-columns: 1fr; } .example img { max-width: 18rem; } }

.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; font-family: var(--sans); font-size: .85rem; color: var(--muted); }

/* People */
.members { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.member { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 1.25rem 1.35rem; }
.member h3 { margin: 0; font-size: 1.2rem; }
.member .role { font: 600 .8rem var(--sans); letter-spacing: .04em; text-transform: uppercase; color: var(--accent); margin: .2rem 0 .55rem; }
.member p:last-child { margin: 0; font-size: 1rem; line-height: 1.5; }
.alum { display: grid; grid-template-columns: 14rem 1fr; gap: 1.5rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.alum h3 { margin: 0; font-size: 1.1rem; }
.alum .degree { display: block; font: .9rem var(--sans); color: var(--muted); font-weight: 400; margin-top: .15rem; }
.alum ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }
.alum li { font-size: 1rem; line-height: 1.55; overflow-wrap: anywhere; }
@media (max-width: 680px) { .alum { grid-template-columns: 1fr; gap: .5rem; } }

/* Teaching */
.courses { list-style: none; margin: 0; padding: 0; }
.course { display: grid; grid-template-columns: 1fr auto; gap: .25rem 1.5rem; align-items: baseline; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.course:first-child { border-top: 0; padding-top: 0; }
.course h2 { margin: 0; font-size: 1.35rem; }
.course .code { font: .9rem var(--sans); color: var(--muted); }
.course .when { font: 600 .8rem var(--sans); letter-spacing: .04em; text-transform: uppercase; color: var(--accent); text-align: right; }
@media (max-width: 560px) { .course { grid-template-columns: 1fr; } .course .when { text-align: left; } }

/* Soften bright photos and logos slightly on the dark background */
.logos img { background: #fff; padding: .4rem; border-radius: 4px; }

/* Lab member photos */
.member-photo { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: center 25%; border-radius: 4px; margin-bottom: 1rem; background: var(--accent-soft); }
.teaching-photo { margin: 0 0 2rem; border-radius: 4px; width: 100%; max-width: 52rem; max-height: 22rem; object-fit: cover; }

/* Research page: smaller seminar photo, funder logo beside each project */
.research-seminar { max-width: 20rem; }
.project { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1.1rem; align-items: start; }
.funder-logo { width: 3.5rem; height: 3.5rem; object-fit: contain; background: #fff; padding: .3rem; border-radius: 4px; margin-top: .2rem; }
span.funder-logo { background: none; }
@media (max-width: 480px) { .project { grid-template-columns: 2.75rem 1fr; gap: .8rem; } .funder-logo { width: 2.75rem; height: 2.75rem; } }

/* Welcome page mission statement box */
.mission {
  max-width: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 3.5vw, 2.25rem);
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  line-height: 1.4;
  margin: 0 0 3rem;
}

/* Hanging indent for citations (Publications and former lab members) */
.pubs li, .alum li {
  padding-left: 1.75em;
  text-indent: -1.75em;
}
.pubs { gap: 1rem; }

/* Publications: book cards */
.books { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: 1.25rem; margin: 1.25rem 0 0; }
.book-card {
  display: grid; grid-template-columns: 5rem 1fr; gap: 1.1rem; align-items: start;
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 1.25rem;
}
.book-cover img { width: 5rem; max-width: 100%; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 3px; box-shadow: 0 6px 18px rgba(0,0,0,.35); transition: transform .2s ease; }
.book-cover:hover img { transform: translateY(-3px); }
.book-info p { margin: 0; }
.book-title { font-size: 1.05rem; line-height: 1.35; margin-bottom: .6rem !important; }
.book-title a { color: var(--ink); text-decoration: none; }
.book-title a:hover { color: var(--accent); text-decoration: underline; }
.book-meta { font-family: var(--sans); font-size: .9rem; color: var(--muted); line-height: 1.5; }
.book-meta b { color: var(--ink); font-weight: 600; }
@media (max-width: 420px) { .book-card { grid-template-columns: 4rem 1fr; gap: .9rem; padding: 1rem; } .book-cover img { width: 4rem; } }

/* Research page: overview themes */
.research-intro { font-size: 1.25rem; line-height: 1.5; margin-bottom: 1.75rem; }
.themes { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.theme { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 6px; padding: 1.1rem 1.25rem; }
.theme h3 { margin: 0 0 .5rem; font-size: 1.1rem; }
.theme p { margin: 0; font-size: 1rem; line-height: 1.55; }

/* Teaching: course cards */
.course-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; max-width: 52rem; }
@media (max-width: 600px) { .course-grid { grid-template-columns: 1fr; } }
.course-card { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; display: flex; flex-direction: column; }
.course-photo { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--accent-soft); }
.course-body { padding: 1rem 1.25rem 1.25rem; border-top: 3px solid var(--accent); }
.course-body h2 { margin: 0 0 .2rem; font-size: 1.3rem; }
.course-when { font: 600 .78rem var(--sans); letter-spacing: .05em; text-transform: uppercase; color: var(--accent); margin: 0 0 .35rem; }
.course-code { font-family: var(--sans); font-size: .9rem; color: var(--muted); margin: 0; }

/* Make the search box's example text readable on the dark background */
.search input::placeholder { color: var(--muted); opacity: 1; }