.main-content {
  flex: 1;
  min-width: none;
  display: flex;
}
#cover {
  position: absolute;
  margin: auto;
  left: 0;right: 0;top: 0;bottom: 0;
  transition: filter .2s;
  filter: blur(5px) grayscale(50%);
  z-index: -1;
  max-width: 80%;
  max-height: 80%;
}
#cover[src=""] {
  display: none;
}
#content-area:hover > #cover{
  filter: blur(0) grayscale(0);
}
#content-area:hover > #cover:not([src=""]) + #visualizer {
  opacity: 0.2;
}
#display-container {
  flex: 1;
  min-width: 0;
  position: relative;
  min-height: 0;
  flex-direction: column;
  display: flex;
}

#content-area {
  height: 100%;
  flex: 1;
  position: relative;
}

.video #content-area {
  margin-top: -54px;
}

.video #control-overlay {
  top: 54px;
}

#MediaPlayer {
  height: 100%;
  width: 100%;
  position: absolute;
}

.light #MediaPlayer {
  filter: invert(1);
}

#control-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1999;
}

#control-overlay::before {
  content: "";
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100px;
  height: 100px;
  display: block;
  border-radius: 100%;
  background-color: rgba(255,255,255,0.6);
  filter: invert(1);
  background-size: 50%;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(0);
}

#control-overlay.paused::before,
#control-overlay.playing::before {
  animation: pulse 1s;
}

#control-overlay.paused::before {
  background-image: url(../img/pause.svg);
}

#control-overlay.playing::before {
  background-image: url(../img/play.svg);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}

/* Canvas with visualizer */
#visualizer {
  display: block;
  margin: auto;
  position: absolute;
  top: 0; 
  left: 0;
  right: 0;
  bottom: 0;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  max-width: 90%;
  transition: opacity .2s;
}
#visualizer.placeholder {
  background: url(../img/musicicon.png) no-repeat center;
  background-size: 50%;
  fill: var(--theme-highlight-color);
  filter: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg"><filter id="a"><feComposite in="FillPaint" in2="SourceGraphic" operator="in"/></filter></svg>#a');
}
@supports ((-webkit-mask: url(../img/pause.svg)) or (mask-image: url(../img/pause.svg))) {  
  #visualizer.placeholder {
    filter: none;
    background-image: none;
    -webkit-mask-image: url(../img/musicicon.png);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;

    mask-image: url(../img/musicicon.png);
    mask-repeat: no-repeat;
    mask-position: center;

    background-color: var(--theme-highlight-color);
  }
}

/* Settings */
#settings-overlay {
  background: rgba(20, 20, 20, 0.9);
  top: 0;
  bottom: 64px;
  left: 0;
  right: 0;
  position: fixed;
  z-index: 2000;
  transition-property: transform, opacity;
  transition-duration: .5s;
}

#settings-overlay.hidden {
  -webkit-transform: translateY(100vh) scaleY(0);
  transform: translateY(100vh) scaleY(0);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  max-height: 0;
  transition-property: transform, opacity, visibility;
}

#settings-overlay > div {
  padding: 15px;
}

.setting {
  max-width: 400px;
}
.setting input, .setting select {
  float: right;
}
.setting input:focus, .setting select:focus {
  box-shadow: 0 0 0 5px rgba(255,255,255,0.1);
}

input[type=checkbox] {
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 15px;
  height: 15px;
  border: white 1px solid;
}
input[type=checkbox]:checked {
  background-color: white;
}