.about-listen-btn {
  color: var(--text-color);
  letter-spacing: 1px;
  cursor: pointer;
  opacity: .35;
  background: none;
  border: 1px solid #80808033;
  border-radius: 20px;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 7px 16px;
  font-family: Inter, -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 500;
  transition: opacity .3s, border-color .3s;
  display: inline-flex;
}

.about-listen-btn:hover {
  opacity: .6;
  border-color: #80808066;
}

.about-listen-btn i {
  font-size: 11px;
}

.about-player {
  z-index: 1001;
  background: var(--bg-color);
  opacity: 0;
  pointer-events: none;
  border-bottom: 1px solid #8080801a;
  align-items: center;
  gap: 16px;
  padding: 8px 32px;
  transition: all .5s;
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  transform: translateY(-100%);
}

body.dark-mode .about-player {
  background: var(--bg-color);
  border-bottom-color: #ffffff0f;
}

.about-player.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

body.player-active header {
  top: 52px !important;
}

.about-play-btn {
  background: var(--accent-color);
  cursor: pointer;
  border: none;
  border-radius: 50%;
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  transition: all .2s;
  display: flex;
}

.about-play-btn:hover {
  opacity: .8;
  transform: scale(1.08);
}

.about-play-btn svg {
  color: var(--bg-color);
  margin-left: 2px;
}

.about-play-btn.playing svg {
  margin-left: 0;
}

.about-player-title {
  color: var(--text-color);
  opacity: .4;
  flex-shrink: 0;
  font-family: Instrument Serif, Georgia, serif;
  font-size: 14px;
}

.about-progress-wrap {
  cursor: pointer;
  background: #8080801a;
  border-radius: 2px;
  flex: 1;
  min-width: 100px;
  height: 3px;
  position: relative;
}

.about-progress-fill {
  background: var(--accent-color);
  opacity: .5;
  border-radius: 2px;
  width: 0%;
  height: 100%;
  transition: width .3s linear;
  position: relative;
}

.about-progress-fill:after {
  content: "";
  background: var(--accent-color);
  opacity: 0;
  border-radius: 50%;
  width: 10px;
  height: 10px;
  transition: opacity .2s;
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
}

.about-progress-wrap:hover .about-progress-fill:after {
  opacity: .5;
}

.about-player-time {
  color: var(--text-color);
  opacity: .3;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  font-family: Inter, -apple-system, sans-serif;
  font-size: 12px;
}

.about-content .w {
  transition: color .15s, text-shadow .15s;
  display: inline;
}

.about-content .w.active {
  text-shadow: 0 0 20px #d4a8434d;
  color: #d4a843 !important;
}

@media (width <= 640px) {
  .about-player {
    gap: 10px;
    padding: 10px 16px;
  }

  .about-player-title {
    display: none;
  }

  .about-play-btn {
    width: 32px;
    height: 32px;
  }
}
