typingfreaks/dist/style.css

#container {
  --base-color: white;
  --highlight-color: red;

  position: relative;
  color: var(--base-color);
  font-family: sans;
  height: 450px;
  width: 800px;
  margin: 0 auto;
  overflow: hidden;

  display: grid;
  grid-template-columns: [start] auto [right] 300px [end];
  grid-template-rows: [top] 50px [header] auto [game] 150px [bottom];
}

#container > div {
  overflow: hidden;
  position: relative;
  transition: top 0.5s, left 0.5s, opacity 0.5s;
  opacity: 0;
}

#loading {
  grid-column: start / end;
  grid-row: top / bottom;
  align-self: center;
  justify-self: center;
}

#song-info {
  grid-column: start / right;
  grid-row: header / game;
  display: grid;
  left: -500px;
}

#song-list {
  grid-column: right / end;
  grid-row: top / bottom;
  left: 300px;
}

#folder-info {
  grid-column: start / right;
  grid-row: top / header;
  display: flex;
  flex-direction: row;
  align-items: center;
  left: -500px;
}

#game {
  top: 150px;
  grid-column: start / end;
  grid-row: game / bottom;
}

#container #background {
  opacity: 1;
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: -99;
  background-color: black;
}

#background div {
  position: absolute;
  height: 100%;
  width: 100%;
  opacity: 0;
  transition: opacity 0.5s linear;
}

#background div.show {
  opacity: 1;
}

#container.loading #loading {
  opacity: 1;
}

#container.loading #loading.finished {
  opacity: 0;
}

#container.loading #song-info,
#container.loading #folder-info {
  top: 50px;
  left: 0;
}

#container.loading #song-list {
  left: 50px;
}

#container.select #song-info,
#container.select #folder-info {
  opacity: 1;
  top: 0;
  left: 0;
}

#container.select #song-list {
  opacity: 1;
  left: 0;
}

#container.game #folder-info {
  opacity: 1;
  top: 0;
  left: 0;
}

#container.game #song-info {
  opacity: 1;
  top: -150px;
  left: 0;
}

#container.game #game {
  opacity: 1;
  top: 0;
}

#folder-info .left:hover,
#folder-info .right:hover {
  text-shadow: 0px 0px 5px var(--base-color);
}

.song-info {
  align-self: end;
  margin-left: 20px;
  text-shadow: 0px 0px 5px var(--base-color);
}

.song-info .genre {
  font-size: 12px;
}

.song-info .creator {
  font-size: 20px;
  line-height: 0.5;
}

.song-info .title {
  font-size: 30px;
}

.song-list {
  margin-left: 20px;
  transition: margin-top 0.2s;
}

.song-item {
  height: 40px;
  display: grid;
  grid-template-columns: 40px auto;
  grid-template-rows: 12px 28px;
  grid-template-areas:
    "diff creator"
    "diff title";
  transition: margin-left 0.2s;
}

.song-item .difficulty {
  grid-area: diff;
  align-self: end;
  justify-self: end;
  margin-bottom: 1px;
  margin-right: 5px;
  font-style: italic;
  font-weight: bold;
}

.song-item .difficulty-bg {
  grid-area: diff;
  align-self: center;
  justify-self: center;
  height: 30px;
  width: 30px;
  background: radial-gradient(circle at 10% 10%, rgba(0, 255, 255, 1), transparent);
  border-radius: 20%;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.song-item .difficulty-bg.normal {
  background: radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.6), transparent);
  opacity: 1;
}

.song-item:hover {
  text-shadow: 0px 0px 5px var(--base-color);
}

.song-item.selected {
  margin-left: -10px;
  text-shadow: 0px 0px 5px var(--base-color);
}

.song-item.selected .difficulty-bg {
  opacity: 1;
  box-shadow: -1px -1px 10px -2px var(--base-color);
}

.song-item.selected .difficulty-bg.normal {
  opacity: 0;
}

.song-item .creator {
  grid-area: creator;
  font-size: 12px;
}

.song-item .title {
  grid-area: title;
  font-size: 20px;
}

.kana {
  display: inline-block;
  position: relative;
  white-space: pre;
}

.kana::after {
  display: inline-block;
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--highlight-color);
  font-weight: bold;
  overflow: hidden;
  width: 0px;
  transition: width 0.1s;
}

.kana.half::after {
  width: 50%;
}

.kana.full::after {
  width: 100%;
}

.romaji {
  display: inline-block;
}

.romaji.error {
  animation-name: pulse;
  animation-duration: 0.5s;
  animation-iteration-count: 1;
}

@keyframes pulse {
  0% {
    transform: scale(1, 1)
  }
  50% {
    transform: scale(2, 2)
  }
  100% {
    transform: scale(1, 1)
  }
}

.progress-bar {
  position: relative;
  height: 5px;
}

.progress-bar .bg {
  position: absolute;
  width: 100%;
  height: 5px;
  background-color: var(--base-color);
  opacity: 0.5;
}

.progress-bar .shade {
  position: absolute;
  height: 5px;
  background-color: var(--base-color);
  animation-timing-function: linear;
  animation-play-state: paused;
}

@keyframes progress {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}

.level-control.waiting span {
  opacity: 0.5;
}

.level-control.waiting .romaji {
  color: transparent;
}