:root {
  --accent-color: #a44932;
  --highlight-color: #cfb686;
  --brand-color: #1411e4;
  --border-color: #000;
  --background-black: #000;
  --background-white: #f5f5f5;
}

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

/* Scrolling for Chrome, Edge, and Safari */
*::-webkit-scrollbar {
  width: 12px;
}

*::-webkit-scrollbar-track {
  background: var(--background-black);
}

*::-webkit-scrollbar-thumb {
  background-color: var(--highlight-color);
  border-radius: 20px;
  border: 3px solid var(--background-black);
}

body {
  height: 100hv;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  background-color: var(--highlight-color);
}

.header {
  margin: 100px 0 10px 0;
  text-align: center;
}

.header h1 {
  padding: 20px;
}

.music-box {
  border: 5px solid var(--border-color);
  border-radius: 6px;
  width: 600px;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--highlight-color);
  background-color: var(--background-white);
}

.album-title {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding: 5px;
  background-color: var(--background-white);
}

.switch-album {
  border: 2px solid var(--border-color);
  background-color: var(--background-black);
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  visibility: hidden;
}

.switch-album:hover {
  background-color: var(--brand-color);
}

.album {
  border-top: 4px solid var(--border-color);
  border-bottom: 4px solid var(--border-color);
  display: flex;
  flex-direction: row;
  height: 358px;
}

.album-img-box {
  height: 350px;
  width: 350px;
  background-color: #000;
  perspective: 1000px;
  cursor: pointer;
}

.album-img-box-inner {
  position: relative;
  height: 100%;
  width: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

/* .album-img-box-inner .clicked {
  transform: rotateY(180deg);
} */

.album-img-front,
.album-img-back {
  position: absolute;
  height: 100%;
  width: 100%;
  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;
}

.album-img-front {
  background-color: var(--background-black);
  color: var(--background-white);
}

.album-img-back {
  background-color: var(--brand-color);
  color: var(--background-white);
  transform: rotateY(180deg);
}

.album-song-list {
  width: 240px;
  border-left: 4px solid var(--border-color);
  overflow-y: scroll;
}

.album-song-list ul {
  padding: 0;
  list-style-type: none;
}

.album-song-list li {
  border-bottom: 2px solid var(--border-color);
  text-align: center;
  padding: 0.25em;
  cursor: pointer;
  background-color: var(--background-white);
}

.album-song-list li:hover {
  color: var(--brand-color);
  font-weight: bold;
}

.album-menu {
  background-color: var(--background-black);
  display: flex;
  flex-direction: row;
  overflow-x: scroll;
  height: 358px;
}

.album-menu img {
  height: 180px;
  cursor: pointer;
  margin: auto 12px;
  box-shadow: 5px 5px 8px var(--highlight-color);
}

.hide-view {
  display: none;
  visibility: hidden;
}

.music-controls {
  display: flex;
  flex-direction: row;
  width: 100%;
  position: relative;
  margin: 10px 0px;
}

.play-pause {
  font-size: 20px;
  padding: 12px;
  transform: translateY(-12px);
  cursor: pointer;
}

.play-pause:hover {
  color: var(--brand-color);
}

.progress-box {
  border: 2px solid var(--border-color);
  cursor: pointer;
  margin: 10px 0;
  height: 10px;
  width: 100%;
  margin: auto;
  margin-right: 5px;
  transform: translateY(-12px);
  background-color: var(--background-white);
}

.progress-bar {
  background-color: var(--accent-color);
  height: 100%;
}

.song-title {
  text-align: center;
  padding-top: 0.5em;
  position: absolute;
  top: 10;
  left: 50%;
  transform: translate(-50%, 15px);
  width: 100%;
}