@import url('https://fonts.googleapis.com/css?family=Lato&display=swap');

* {
  box-sizing: border-box;
}

body {
  background-color:#000;
  color:#fff;
  display: flex;
  flex-direction: column;
  font-family: 'Lato', sans-serif;
  margin:10px;
  height: calc(100vh - 20px);
  width: calc(100% - 20px);
}

#music-list {
  padding: 0.5em;
  position: relative;
  display: flex;
  flex-direction: column;
  width:100%;
  flex-grow: 1;
  counter-reset: section;
  overflow-y: scroll;
  align-items: flex-start;
}
.song {
  cursor: pointer;
}
.song.playing {
  cursor: pointer;
  color:#00fff2;
}
.song:hover {
  color:#00a2ff;
}
.song::before {
  counter-increment: section;
  color:#666;
  content: counter(section) ". ";
}

.music-container {
  padding: 0.5em;
  position: relative;
  display: flex;
  flex-direction: column;
  width:100%;
}

.navigation {
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-btn {
  background-color: inherit;
  border: 0;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  padding: 10px;
  margin: 0 20px;
}

.action-btn.action-btn-big {
  color: #fff;
  font-size: 30px;
}

.action-btn:focus {
  outline: 0;
}

.music-info {
  padding: 0;
  opacity: 0;
  /* transform: translateY(0%); */
  transition: transform 0.3s ease-in, opacity 0.3s ease-in;
  z-index: 0;
}

.music-container.play .music-info {
  opacity: 1;
  /* transform: translateY(-100%); */
}

.music-info h4 {
  margin: 0;
}

#progress-container {
  background: #222;
  border-radius: 5px;
  cursor: pointer;
  height: 20px;
}

#progress {
  background-color: #00fff2;
  border-radius: 5px;
  height: 100%;
  width: 0%;
  transition: width 0.1s linear;
}

#volume-container {
  background: #222;
  border-radius: 5px;
  cursor: pointer;
  height: 15px;
}

#volume {
  background-color: #75b1c1;
  border-radius: 5px;
  height: 100%;
  width: 0%;
  transition: width 0.1s linear;
}
#volume-text {
  text-align: center;
}