html {
  box-sizing: border-box;

}

html *,
html *::before,
html *::after {
  box-sizing: inherit;
}

body {
  background-color: #f0f0f0;
  color: #2d2d2d;
  margin: 0;
  font-family: 'Fira Sans', sans-serif;
  font-family: 'Roboto', sans-serif;
  -webkit-tap-highlight-color: transparent;
}

button {
  background: none;
  border: none;
  outline: none;
  font: inherit;
  -webkit-appearance: none;
  cursor: pointer;
}

.svg-icon {
  width: 2em;
  height: 2em;
  fill: currentColor;
}

.app {
  --app-gap: 3rem;
  height: 60vh;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--app-gap);
}

@media (max-width: 600px) {
  .app {
    font-size: 12px;
  }
}

.disk-container {
  perspective: 600px;
}

#song {
  display: none;
}

.disk {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18em;
  height: 18em;
  background-image: url("https://mojtabaseyedi.com/demo/music-player/images/disk3.png");
  background-size: contain;
  border-radius: 50%;
  cursor: pointer;
  /* pointer-events: none; */
  box-shadow: 0px 0px 30px 5px #5f5f5f5e;
  transform: rotateX(60deg);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.disk.focus {
  /* transform: scale(1.1) rotateX(30deg); */
}

.innerdisk {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: #fff;
  background-image: url("https://mojtabaseyedi.com/demo/music-player/images/track.jpg");
  background-size: contain;
}

.disk.active {
  pointer-events: auto;
}

.timechange {
  margin-bottom: calc(-1 * var(--app-gap));
  text-align: center;
  transform: translateY(-100px) scale(2);
  opacity: 0;
  transition: all 0.4s 0.1s ease-in;
}

.timechange.active {
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform: none;
  opacity: 1;
}

.song-info {

}

.singer {
  text-align: center;
  margin: 0 auto;
  text-transform: capitalize;
  font-size: 1.3em;
  font-weight: normal;
}

.title {
  flex: 1;
  --offset: 0;
  position: relative;
  display: table;
  margin: 0.2em auto;
  text-transform: capitalize;
  font-size: 4em;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-family: 'PT Serif', serif;
  font-family: 'Gentium Basic', serif;
  font-family: 'Gentium Book Basic', serif;
}

.title::after {
  content: ' ';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  -webkit-border-start: 2px solid currentColor;
          border-inline-start: 2px solid currentColor;
  background-color: hsla(30, 8%, 95%, 0.8);
  transform: translateX(calc(var(--offset)*1px));
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.times {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.currenttime {

}

.duration {
  color: hsl(0, 0%, 78%);
}

.music-ctrl {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0px 0px 20px hsla(0, 0%, 50%, 0.3))
}

.music-ctrl button {
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-ctrl__play {
  width: 5.4em;
  height: 5.4em;
  margin: 0 -1em;
  border-radius: 50%;
  background-color: #cfc5ac;
  color: #fff;
  position: relative;
  z-index: 1;
}

.music-ctrl__play .svg-icon {
  position: absolute;
  font-size: 1.5em;
  transition: .3s opacity;
}

.music-ctrl__play .svg-icon:last-child {
  opacity: 0;
}

.playing .svg-icon:first-child {
  opacity: 0;
}

.playing .svg-icon:last-child {
  opacity: 1;
}

.music-ctrl__prev,
.music-ctrl__next {
  background-color: #f5f5f3;
  color: #cfc5ac;
  height: 3em;
}

.music-ctrl__prev {
  border-radius: 2em 0 0 2em;
  padding: 0 2.8em 0 1.5em;
}

.music-ctrl__next {
  border-radius: 0 2em 2em 0;
  padding: 0 1.5em 0 2.8em;
}

.disk, .music-ctrl__prev, .music-ctrl__play, .music-ctrl__next, .currenttime, .duration {
  transition: transform 0.3s ease, text-shadow 0.3s ease; /* Transition for scaling and shadow */
}

.disk:hover, .music-ctrl__prev:hover, .music-ctrl__play:hover, .music-ctrl__next:hover, .currenttime:hover, .duration:hover {
  transform: scale(1.1); /* Increase text size */
}