style.css

:root {
  --red-color: #b00202;
  --blue-color: cyan;
  --light-color: #d4d4d4;
  --main-dark: #111;
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #333333;
  color: var(--main-dark);
  transition: all 0.5s ease-in-out;
}

body.light {
  color: rgb(139, 139, 139);
  background: var(--light-color);
}

.main-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 500px;
}

.container {
  position: relative;
  width: 500px;
  height: auto;
  background: #2c2c2c;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), 0 -3px 7px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

body.light .container {
  background: var(--light-color);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), 0 -3px 5px rgba(0, 0, 0, 0.1);
}

header {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 2rem;
  line-height: 2rem;
  padding: 1rem;
}

header .pin1,
header .pin2,
header .pin3 {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(0deg, #242424, #333333);
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.3), 1px 2px 3px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

header .pin2,
header .pin1,
header .pin3 {
  display: flex;
  justify-content: center;
}

header .pin3 i.fa-sun {
  font-size: 1.2rem;
}

header .pin3 i.fa-moon {
  font-size: 1rem;
}

body.light .pin1,
body.light .pin2,
body.light .pin3 {
  background: linear-gradient(0deg, rgb(189, 187, 187), rgb(224, 224, 224));
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1), 0 3px 3px rgba(0, 0, 0, 0.2);
}

#files {
  display: none;
}

.btn {
  background: transparent;
  border: none;
  color: var(--blue-color);
  display: none;
  cursor: pointer;
  outline: none;
}

.btn.active,
.btn.list,
#modeBtn {
  display: block;
}

body.light .btn {
  color: var(--red-color);
}

main {
  display: flex;
  justify-content: center;
  padding: 1rem 2rem;
}

.vz-wrapper.-canvas {
  position: relative;
  height: initial;
  width: initial;
  background: transparent;
  box-shadow: none;
}

canvas {
  position: relative;
  top: 55%;
  transform: translateY(-50%);
}

main .player {
  position: relative;
  width: 176px;
  height: 176px;
  margin-left: auto;
  background: linear-gradient(0deg, #333, #222);
  border-radius: 50%;
  border: 2px solid var(--main-dark);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2),
    0 4px 2px rgba(0, 0, 0, 0.2);
}

body.light .player {
  border: 2px solid rgb(209, 208, 208);
  background: linear-gradient(0deg, rgb(224, 224, 224), rgb(189, 187, 187));
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1), 2px 2px 3px rgba(0, 0, 0, 0.2),
    -2px 2px 3px rgba(0, 0, 0, 0.1), 0 -2px 1px rgba(255, 255, 255, 0.5);
}

main .player .fa,
main .player .fas {
  position: absolute;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

main .player .fa:hover,
main .player .fas:hover,
.player #play.active,
#repeat.active,
#random.active {
  color: var(--blue-color);
  text-shadow: 0 0 4px var(--blue-color);
}

body.light .player .fa:hover,
body.light .player .fas:hover,
body.light .player #play.active,
body.light #repeat.active,
body.light #random.active {
  color: var(--red-color);
  text-shadow: none;
}

main .player .fa-play,
#play.active {
  width: 88px;
  height: 88px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--main-dark);
  border-radius: 50%;
  text-align: center;
  line-height: 88px;
  background: linear-gradient(0deg, #222, #333);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2),
    0 0 8px rgba(0, 0, 0, 0.3);
}

main .player .fa-play.ready {
  border: 2px solid rgba(0, 255, 255, 0.1);
  color: rgba(0, 255, 255, 0.1);
  animation: pulse 0.8s ease-in-out infinite alternate;
}

#play.active {
  border: 2px solid rgba(0, 255, 255, 0.9);
}

body.light .player .fa-play,
body.light #play.active {
  border: 2px solid rgb(172, 172, 172);
  background: linear-gradient(0deg, rgb(189, 187, 187), #e0e0e0);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.4),
    0 0 3px rgba(56, 56, 56, 0.3);
}

body.light .player .fa-play.ready {
  /* border: 2px solid rgba(176, 2, 2, 0.5); */
  color: rgba(176, 2, 2, 0.3);
  animation: lightPulse 0.8s ease-in-out infinite alternate;
}

@keyframes pulse {
  to {
    color: var(--blue-color);
    border-color: rgba(0, 255, 255, 0.6);
  }
}

@keyframes lightPulse {
  to {
    color: var(--red-color);
    border-color: rgba(176, 2, 2, 0.6);
  }
}

main .player .fa-redo-alt {
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
}

main .player .fa-fast-backward {
  top: 50%;
  left: 8%;
  transform: translateY(-50%);
}

main .player .fa-fast-forward {
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
}

main .player .fa-random {
  top: 82%;
  left: 50%;
  transform: translateX(-50%);
}

footer {
  padding: 2rem 2rem;
  color: #999;
  text-shadow: 2px 2px var(--main-dark);
  font-family: "Roboto", sans-serif;
}

body.light footer {
  color: var(--red-color);
  text-shadow: none;
}

footer .title {
  text-align: center;
  padding-bottom: 0.5rem;
}

footer .time-tracker {
  display: flex;
  border-top: 1px solid #000;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  padding-top: 0.5rem;
}

body.light .time-tracker {
  border-top: 1px solid rgb(146, 146, 146);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

footer .time-tracker .timer {
  position: relative;
  width: 90%;
  height: 2rem;
  cursor: pointer;
}

footer .time-tracker .timer .bg {
  position: relative;
  height: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  margin-right: 0.5rem;
  border-top: 1px solid #000;
  border-radius: 10px;
  background: none;
  box-shadow: inset 0 -1px 1px rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

body.light .time-tracker .timer .bg {
  border-top: 1px solid rgb(110, 110, 110);
  box-shadow: inset 0 -1px 1px rgba(252, 252, 252, 0.8),
    inset 0 1px 1px rgba(0, 0, 0, 0.3);
}

footer .time-tracker .timer .bg #runner {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 0.2rem;
  border-radius: 10px;
  width: 0%;
  background: var(--blue-color);
  box-shadow: 0 0 2px 2px var(--blue-color);
}

body.light footer .time-tracker .timer .bg #runner {
  height: 0.6rem;
  background: var(--red-color);
  box-shadow: none;
}

footer .time-tracker .time {
  line-height: 2rem;
}

ul {
  position: relative;
  top: -10px;
  padding: 10px 0;
  width: 98%;
  height: 30px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), 0 -3px 7px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  overflow: auto;
  background: rgb(41, 41, 41);
  transition: all 0.5s ease-in-out;
}

ul::-webkit-scrollbar {
  display: none;
}

body.light ul {
  background: rgb(212, 212, 212);
}

ul.active {
  height: 200px;
}

ul li {
  position: relative;
  display: none;
  align-items: center;
  padding: 10px 10px;
  list-style: none;
  color: var(--blue-color);
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}

body.light ul li {
  color: var(--red-color);
}

ul li:hover {
  background: #222;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), 0 -3px 7px rgba(0, 0, 0, 0.2);
}

body.light ul li:hover {
  background: var(--red-color);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), 0 -3px 7px rgba(0, 0, 0, 0.2);
  color: rgb(196, 196, 196);
}

ul.active li {
  display: flex;
}

.album-image {
  position: relative;
  width: 100px;
  height: 60px;
}

img {
  width: 100px;
  height: 100%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.info {
  width: 70%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 15px;
}

ul li i {
  visibility: hidden;
}

ul li i.active {
  visibility: visible;
}