@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* ---------- Base ---------- */

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16.5px;
  line-height: 1.7;
  color: #24292f;
  background-color: #ffffff;
}

.main-container {
  max-width: 780px;
  padding: 0 24px;
}

a {
  color: #1d4ed8;
  text-decoration: none;
}

a:hover,
a:focus {
  color: #1e3a8a;
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: #111827;
  letter-spacing: -0.01em;
}

/* Page titles are redundant with the navbar */
h1.title {
  display: none;
}

h4 {
  font-size: 21px;
  margin-top: 45px;
  margin-bottom: 22px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e5e7eb;
}

/* ---------- Navbar ---------- */

.navbar-default,
.navbar-inverse {
  background-color: #ffffff;
  border: none;
  border-bottom: 1px solid #eaecef;
  box-shadow: none;
}

.navbar-default .navbar-brand,
.navbar-inverse .navbar-brand {
  font-weight: 600;
  font-size: 17px;
  color: #111827;
}

.navbar-default .navbar-brand:hover,
.navbar-inverse .navbar-brand:hover {
  color: #111827;
}

.navbar-default .navbar-nav > li > a,
.navbar-inverse .navbar-nav > li > a {
  color: #6b7280;
  font-size: 15px;
  font-weight: 500;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus,
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus,
.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > li > a:focus,
.navbar-inverse .navbar-nav > .active > a,
.navbar-inverse .navbar-nav > .active > a:hover,
.navbar-inverse .navbar-nav > .active > a:focus {
  color: #111827;
  background-color: transparent;
}

/* Mobile hamburger menu */
.navbar-default .navbar-toggle,
.navbar-inverse .navbar-toggle {
  border-color: #e5e7eb;
}

.navbar-default .navbar-toggle .icon-bar,
.navbar-inverse .navbar-toggle .icon-bar {
  background-color: #374151;
}

.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus,
.navbar-inverse .navbar-toggle:hover,
.navbar-inverse .navbar-toggle:focus {
  background-color: #f3f4f6;
}

.navbar-default .navbar-collapse,
.navbar-default .navbar-form,
.navbar-inverse .navbar-collapse,
.navbar-inverse .navbar-form {
  border-color: #eaecef;
  background-color: #ffffff;
}

/* ---------- Home page ---------- */

.home-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  align-items: flex-start;
  margin-top: 40px;
}

.home-photo {
  flex: 0 0 220px;
}

.home-photo img {
  width: 100%;
  border-radius: 10px;
  border: none;
}

.home-bio {
  flex: 1;
  min-width: 300px;
}

.home-bio p {
  text-align: left;
  margin-bottom: 18px;
}

.contact-block {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid #e5e7eb;
  font-size: 15.5px;
  color: #374151;
}

.contact-block h4 {
  margin-top: 0;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 14px;
}

.contact-block p {
  margin-bottom: 6px;
}

.contact-label {
  display: inline-block;
  min-width: 64px;
  color: #9ca3af;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Research page ---------- */

.pub {
  margin-bottom: 38px;
}

.pub-title {
  font-size: 17px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 4px;
}

.pub-authors {
  font-size: 14.5px;
  color: #6b7280;
  margin-bottom: 2px;
}

.pub-authors a {
  color: #6b7280;
  text-decoration: underline;
  text-decoration-color: #d1d5db;
  text-underline-offset: 3px;
}

.pub-authors a:hover {
  color: #1d4ed8;
}

.pub-venue {
  font-size: 14.5px;
  color: #374151;
  margin-bottom: 10px;
}

.pub-venue em {
  font-style: italic;
  font-weight: 600;
}

.pub-links {
  margin-bottom: 6px;
}

.pub-links details {
  display: inline;
}

.pub-links a,
.pub details summary {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
  background-color: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 2px 10px;
  margin: 0 6px 6px 0;
  text-decoration: none;
  cursor: pointer;
}

.pub-links a:hover,
.pub details summary:hover {
  background-color: #e5e7eb;
  color: #111827;
  text-decoration: none;
}

.pub details summary {
  list-style: none;
}

.pub details summary::-webkit-details-marker {
  display: none;
}

.pub details[open] summary {
  background-color: #e5e7eb;
}

.pub .abstract {
  font-size: 14.5px;
  color: #374151;
  background-color: #f9fafb;
  border-left: 3px solid #e5e7eb;
  padding: 12px 16px;
  margin-top: 8px;
  border-radius: 0 6px 6px 0;
  text-align: left;
}

/* ---------- Teaching page ---------- */

.teaching-list {
  list-style: none;
  padding-left: 0;
}

.teaching-list li {
  padding: 7px 0;
}

.course-years {
  color: #6b7280;
  font-size: 14.5px;
}

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

@media (max-width: 640px) {
  .home-grid {
    flex-direction: column;
  }
  .home-photo {
    flex-basis: auto;
    max-width: 200px;
  }
}