:root {
  --bg-color: white;
  --text-color: black;
  --link-color: #005cb8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: black;
    --text-color: white;
    --link-color: #6ab4ff;
  }
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root, body {
  height: 100%;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 14px;
  font-family: sans-serif;
}

main {
  display: grid;
  grid-template-rows: 50px auto;
  height: 100%;
}

a {
  color: var(--link-color);
  text-decoration: none;
}
a:hover, a:active {
  text-decoration: underline;
}

nav {
  line-height: 40px;
  padding: 5px 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

h1 {
  font-size: 2em;
}

#author {
  text-align: right;
}

textarea {
  width: 100%;
  height: 100%;
  padding: 10px;
  background: transparent;
  resize: none;
  border: 1px solid #999999;
  color: var(--text-color);
  font-size: 1em;
  text-wrap: nowrap;
  outline: none;
}