.viewer-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  font-size: 18px;
  transition: all 0.2s;
}
.main-nav {
  transition: all 0.2s;
  transform: translateZ(0) translateY(0);
  border-top: 1px solid transparent;
}
.nav-open .main-nav {
  transform: translateZ(0) translateY(-22rem);
  border-top: 1px solid #fff;
  background: black;
  color: white;
}
.transcript-open .viewer-nav {
  width: calc(100vw - 31.875rem);
}
.checklist-open .main-nav {
  transform: translateZ(0) translateY(calc(-22rem - 100vh));
}

/* The main nav row */

.viewer-nav > .nav-row {
  width: 100%;
  height: 3rem;
  padding: 0.25rem 0 0.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.viewer-nav > .nav-row > div {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 32%;
}
.viewer-nav > .nav-row > div:nth-child(1) {
  justify-content: flex-start;
  align-items: center;
}
.viewer-nav > .nav-row > div:nth-child(2) {
  justify-content: center;
  align-items: center;
}
.viewer-nav > .nav-row > div:nth-child(3) {
  justify-content: flex-end;
  align-items: center;
}

.viewer-nav .link {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;  
  cursor: pointer;
}

.transcript-link {
  padding-right: 1.25rem;
}

/* Arrows */

.viewer-nav .arrow {
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.viewer-nav .arrow.left,
.viewer-nav .arrow.right {
  width: 1.25rem;
}
.viewer-nav .arrow svg {
  width: 100%;
  height: 100%;
}
.viewer-nav .arrow path,
.viewer-nav .arrow polygon {
  fill: #000;
}
.nav-open .viewer-nav .arrow path,
.nav-open .viewer-nav .arrow polygon {
  fill: #fff;
}
.checklist-open .viewer-nav .arrow path,
.checklist-open .viewer-nav .arrow polygon {
  fill: #fff;
}

/* Player */

.nav-player {
  transition: opacity 0.2s;
  opacity: 1.0;
}
.nav-player.playing {
  opacity: 0.0;
}
.main-nav:hover .nav-player.playing,
.nav-open .nav-player.playing {
  opacity: 1.0;
}

/* Volume button */

.volume {
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
}
.volume path {
  fill: #000;
}
.volume.muted path {
  fill: #fff;
  stroke: #000;
  stroke-width: 0.5;
}
.nav-open .volume path {
  fill: #fff;
}
.nav-open .volume.muted path {
  fill: #000;
  stroke: #fff;
}

/* Play button */

.playToggle {
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
}
.playToggle path,
.playToggle polygon {
  fill: #000;
}
.nav-open .playToggle path,
.nav-open .playToggle polygon {
  fill: #fff;
}

/* Player time */

.playerTime {
  margin-left: 0.5rem;
  margin-right: 0.75rem;
}