body {
  margin: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
}
body > header,
body > footer {
  box-shadow: 0 0 3px #000;
}
main {
  flex-grow: 1;
  overflow: hidden;
}
nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: row;
}
nav ul li {
  text-align: center;
  flex-grow: 1;
  line-height: 40px;
}
nav ul li:hover {
  background-color: red;
}
nav ul li.active {
  background-color: green;
}
#player {
  display: flex;
  flex-direction: row;
}
#player .art img {
  vertical-align: top;
}
#player .info {
  flex-grow: 1;
}
#player:not([data-state=play]) .pause {
  display: none;
}
#player[data-state=play] .play {
  display: none;
}
#player:not([data-flags~=random]) .random,
#player:not([data-flags~=repeat]) .repeat {
  opacity: 0.5;
}
.component {
  height: 100%;
  display: flex;
  flex-direction: column;
}
#queue {
  height: 100%;
  display: flex;
  flex-direction: column;
}
#queue ul {
  flex-grow: 1;
  overflow: auto;
  list-style: none;
  margin: 0;
  padding: 0;
}
#queue li {
  display: flex;
  flex-direction: row;
}
#queue li + li {
  border-top: 1px solid #888;
}
#queue .info {
  flex-grow: 1;
}
#queue .current {
  font-weight: bold;
}
#library {
  height: 100%;
  display: flex;
  flex-direction: column;
}
#library ul {
  flex-grow: 1;
  overflow: auto;
  list-style: none;
  margin: 0;
  padding: 0;
}