:root {
  --cyan-950: #083344;
  --cyan-900: #164e63;
  --cyan-100: #cffafe;
  --teal-900: #134e4a;
  --teal-500: #14b8a6;
  --gray-900: #111827;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --fuchsia-800: #86198f;
  --primary: var(--cyan-950);
  --secondary: var(--teal-900);
  --text: black;
  --background: var(--gray-100);
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: var(--teal-500);
    --secondary: var(--cyan-100);
    --text: var(--gray-200);
    --background: var(--gray-900);
  }
}
html {
  color: var(--text);
  background-color: var(--background);
  overscroll-behavior: none;
}
body {
  margin: 0 0 20px 0;
}
h2, h3, h4, h5, h6, strong {
  color: var(--primary);
}
a {
  color: var(--primary);
}
p, li, .links {
  line-height: 1.5em;
}
@media screen and (max-width: 599px) {
  h2 {
    scroll-margin-top: 120px;
  }
}
@media screen and (min-width: 600px) {
  h2 {
    scroll-margin-top: 80px;
  }
}

nav {
  top: 0;
  position: sticky;
  z-index: 10;
  background-color: var(--cyan-950);
  padding: 10px 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
@media (prefers-color-scheme: dark) {
  nav {
    background-color: var(--cyan-900);
  }
}
nav a {
  text-decoration: none;
}
nav .name {
  font-size: 1.5em;
  font-weight: bold;
  color: rgba(256, 256, 256, 230);
  margin: 0 0 5px 10px;
}
nav .nav-items {
  display: flex;
}
nav .nav-items a {
  margin: 0 10px;
  color: rgba(256, 256, 256, 170);
}
nav .nav-items a:hover {
  color: rgba(256, 256, 256, 230);
}
@media screen and (max-width: 599px) {
  nav .divider {
    flex-basis: 100%;
  }
  nav .nav-items {
    flex-grow: 1;
    align-items: center;
    justify-content: space-between;
  }
  nav .nav-items a {
    display: block;
    flex-grow: 1;
    text-align: center;
    font-size: 0.8em;
  }
  nav .nav-items a > .icon {
    font-size: 1.5rem;
  }
}
@media screen and (min-width: 600px) {
  nav .divider {
    flex: 1 1 0%;
  }
  nav .nav-items a {
    font-weight: 500;
  }
  nav .nav-items a > .icon {
    display: none;
  }
}

main {
  margin: 0 auto;
  padding: 0 20px;
  max-width: 60rem;
}

.header {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: center;
}
.header > .avatar > img {
  border-radius: 50%;
  width: 13rem;
  height: 13rem;
  margin: 1rem 2rem;
}
.header .links {
  margin-left: 2.5rem;
}
.header .links a {
  color: var(--text);
}
.header .links .link-name {
  display: inline-block;
  width: 5rem;
  font-weight: bold;
}
.header > .intro {
  width: 25rem;
  flex-grow: 0.5;
}

.time-line-item {
  margin: 15px 0;
}
.institution {
  color: var(--secondary);
}
@media screen and (max-width: 599px) {
  .time-range {
    color: var(--secondary);
    font-weight: bold;
  }
  main > ul {
    padding-left: 1rem;
  }
}
@media screen and (min-width: 600px) {
  .time-line-item {
    display: flex;
  }
  .time-range {
    width: 6rem;
    margin-right: 1rem;
    text-align: right;
    flex-shrink: 0;
  }
  main > ul {
    padding-left: 7rem;
  }
}

.poster::before {
  content: "[poster]";
  color: var(--secondary);
  font-size: 0.8em;
  opacity: 0.7;
}