#read_pane_container {
  --player-height: 130px;
}

.audio-player-container {
  border: 2px solid var(--audio-border-color);
  border-radius: 14px;
  padding: 0.9rem;
  background-color: var(--audio-color-3);
  width: 80%;
  margin: 0 auto;
  margin-bottom: 1.6rem;
  min-width: fit-content;
  box-sizing: border-box;
  z-index: 999;

  --audio-color-1: var(--color-primary);
  --audio-color-2: var(--color-danger);
  --audio-color-3: var(--color-panel-muted);
  --audio-color-4: var(--color-primary-hover-light);
  --audio-color-5: var(--color-primary-soft);
  --button-size-smaller: 22px;
  --button-size-small: 28px;
  --button-size-big: 64px;

  /* use variables to fix marker placement in the bookmark container*/
  --padding-top-val: 0.2rem;
  --padding-sides-val: 0.5rem;
  --timeline-height: 0.7rem;

  position: relative;
}

.audio-player-top-container {
  display: grid;
  grid-template-columns: min-content 2.2fr min-content;
  align-items: center;

  gap: .9rem;
}

.audio-player-timeline-container {
  width: 100%;
  /* for marker overlay */
  position: relative;

  background-color: var(--audio-color-3);
  padding: var(--padding-top-val) var(--padding-sides-val);
  border-radius: 14px;
  box-sizing: border-box;
  margin-bottom: 6px;
}

.audio-player-central-container {
  background-color: var(--audio-color-5);
  border-radius: 14px;
  padding: 0.5rem;
}

.audio-player-controls-container {
  display: grid;
  grid-template-columns: auto auto auto;
  justify-content: center;
  align-items: center;
  gap: 0.7rem;
}

.audio-button {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  border: none;
  padding: 0;
  border-radius: 50%;

  background-color: var(--color-surface);
  cursor: pointer;
  user-select: none;
  --webkit-user-select: none;
}

#play-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/play.svg") center / cover no-repeat;
  -webkit-mask: url("/static/icn/play.svg") center / cover no-repeat;
  height: var(--button-size-big);
  width: var(--button-size-big);
  display: block;

  transition: all 50ms;
}

#playback-rate-container {
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

.rate-btn {
  width: var(--button-size-smaller);
  height: var(--button-size-smaller);
  display: block;
  background-color: var(--audio-color-4);
  color: var(--color-surface);
}

#playback-rate-indicator {
  font-size: 0.9rem;
  cursor: pointer;
}

#skip-back-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/skip-back.svg") center / cover no-repeat;
  -webkit-mask: url("/static/icn/skip-back.svg") center / cover no-repeat;
  height: var(--button-size-small);
  width: var(--button-size-small);
}

#rewind-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/rewind.svg") center / cover no-repeat;
  -webkit-mask: url("/static/icn/rewind.svg") center / cover no-repeat;
  height: var(--button-size-small);
  width: var(--button-size-small);
}

#ff-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/ff.svg") center / cover no-repeat;
  -webkit-mask: url("/static/icn/ff.svg") center / cover no-repeat;
  height: var(--button-size-small);
  width: var(--button-size-small);
}

#bkm-save-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/bookmark-off.svg") center / 67% no-repeat;
  -webkit-mask: url("/static/icn/bookmark-off.svg") center / 67% no-repeat;
  height: var(--button-size-small);
  width: var(--button-size-small);

  border-radius: unset;
  background-size: 67%;
}

#bkm-prev-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/prev.svg") center / cover no-repeat;
  -webkit-mask: url("/static/icn/prev.svg") center / cover no-repeat;
  height: var(--button-size-small);
  width: var(--button-size-small);
}

#bkm-next-btn {
  background-color: var(--audio-color-1);
  background-image: none;
  mask: url("/static/icn/next.svg") center / cover no-repeat;
  -webkit-mask: url("/static/icn/next.svg") center / cover no-repeat;
  height: var(--button-size-small);
  width: var(--button-size-small);
}

#pin {
  /* background-image: url("/static/icn/pin.svg"); */
  position: absolute;
  left: 0.6rem;
  top: 0.6rem;
  width: 14px;
  height: 14px;
  /* background-color: transparent; */
  background-color: color-mix(in srgb, var(--audio-color-4) 62%, transparent);
  border-radius: 14px;
}

.bookmark-markers-container {
  position: absolute;
  top: calc(var(--padding-top-val) + 4px);
  left: var(--padding-sides-val);
  width: calc(100% - var(--padding-sides-val)*2);
  /* height: var(--timeline-height); */
  box-sizing: border-box;
  user-select: none;
  pointer-events: none;
}

.timeline {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: var(--timeline-height);
  margin: 0;
  background-color: var(--color-surface);
  border-radius: 999px;
  box-sizing: border-box;
  background-size: 0% 100%;
  background-image: linear-gradient(var(--audio-color-1), var(--audio-color-1));
  background-repeat: no-repeat;
}

.volume {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 0.6rem;
  margin: 0;
  background-color: var(--color-surface);
  border-radius: 999px;
  background-size: 100% 100%;
  background-image: linear-gradient(var(--audio-color-1), var(--audio-color-1));
  background-repeat: no-repeat;

  /* appearance: slider-vertical; */
  /* transform: scaleY(-1); */
  /* margin-bottom: 1.1rem; */
}

.timeline::-webkit-slider-runnable-track,
.volume::-webkit-slider-runnable-track {
  -webkit-appearance: none;
  box-shadow: none;
  border: none;
  /* background: transparent; */
}

.timeline::-moz-range-track,
.volume::-moz-range-track {
  box-shadow: none;
  border: none;
  /* background: transparent; */
}

.rewind-container {
  display: grid;
  grid-template-columns: min-content 1fr;
  gap: 0.8rem;
  align-items: center;
  justify-content: center;

  background-color: var(--audio-color-3);
  border-radius: 14px;
  padding: 0.3rem 0.4rem 0.3rem 0.4rem;
}

.rewind-btn-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
}

#rewind-option {
  background-color: var(--audio-color-5);
  border: none;
  border-radius: 14px;
  /* width: 90%; */
  height: 1.6rem;
  padding-left: 0.8rem;
  font-family: inherit;
}

.audio-player-right-container {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  justify-items: center;
  row-gap: 0.8rem;
}

.duration-container {
  display: flex;
  justify-content: space-between;
}

.timeline::-moz-range-thumb {
  width: 1px;
  height: 1em;
  opacity: 0;
}

.timeline::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 1px;
  height: 1em;
  opacity: 0;
}

.volume::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background-image: none;
  border: 2px solid var(--audio-marker-border-color);
  background-size: 80%;
  border-radius: 14px;
  background-color: var(--color-surface);
  background-size: 60%;

  background-position: center;
  background-repeat: no-repeat;
  /* background-size: cover; */
  /* border: none; */
  padding: 0;
}

.volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background-image: none;
  border: 2px solid var(--audio-marker-border-color);
  background-size: 80%;
  border-radius: 14px;
  background-color: var(--color-surface);
  background-size: 60%;

  background-position: center;
  background-repeat: no-repeat;
  /* background-size: cover; */
  /* border: none; */
  padding: 0;
}

.bookmark-buttons-container {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: min-content max-content;
  align-items: center;

  background-color: var(--audio-color-5);
  padding: 0.3rem 0.4rem 0.3rem 0.4rem;
  border-radius: 14px;
}

.bookmark-jump-container {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* sticky styles */
.sticky-player .audio-player-container {
  position: fixed;
  width: 100%;
  height: var(--player-height);
  left: 0;
  bottom: 0;
  border: none;
  margin-bottom: 0;
}

.sticky-player #read_pane_right {
  height: calc(100% - var(--player-height));
}

.sticky-player .btm-margin-container {
  margin-top: calc(var(--player-height) + 10px);
}

/* pseudo styles */
.audio-button:hover {
  transform: scale(1.04);
  filter: brightness(110%);
}

.audio-button:active {
  filter: brightness(70%);
}

@media screen and (max-width: 480px) {
  #read_pane_container {
    --player-height: 90px;
  }

  .audio-player-container {
    min-width: unset;
    padding: 0.4rem;
    --button-size-big: 36px;
    --button-size-small: 22px;
    --padding-top-val: 0px;
    --padding-sides-val: 0px;
  }
  
  .duration-container {
    font-size: 0.8rem;
  }

  .audio-player-timeline-container {
    background-color: var(--audio-color-5);
  }

  .audio-player-central-container {
    padding: 0.3rem;
  }

  .audio-player-top-container {
    gap: 0.2rem;
  }

  .audio-player-controls-container {
    gap: 0.7rem;
  }

  .rewind-container {
    background-color: unset;
    padding: 0;
    gap: 0.4rem;
  }

  .rewind-btn-container {
    gap: 0.5rem;
  }

  #playback-rate-indicator {
    font-size: 0.8rem;
  }

  .bookmark-buttons-container {
    background-color: unset;
    padding: 0;
    column-gap: 0;
    row-gap: 0.6rem;
  }
  
  #bkm-save-btn {
    grid-column: 1 / 3;
    justify-self: center;
  }

  #rewind-option {
    background-color: var(--audio-color-3);
    padding-left: 0.2rem;
    min-width: 2.3rem;
    font-size: 0.6rem;
  }

  .volume {
    display: none;
    width: 90%;
  }

  #pin {
    display: none;
  }
}

/* Compact reader-header audio player. */
#read_pane_container {
  --player-height: 0px;
}

.reading_header_page .audio-player-container {
  --audio-color-1: var(--color-primary);
  --audio-color-2: var(--color-danger);
  --audio-color-3: var(--color-surface);
  --audio-color-4: var(--color-info);
  --audio-color-5: var(--color-primary-soft);
  --button-size-smaller: 24px;
  --button-size-small: 30px;
  --button-size-big: 32px;
  --padding-top-val: 0.2rem;
  --padding-sides-val: 0.45rem;
  --timeline-height: 0.42rem;

  position: relative;
  width: auto;
  min-width: 0;
  margin: 0;
  margin-bottom: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-sizing: border-box;
  z-index: 1250;
  align-items: center;
}

.reading_header_page .audio-player-top-container {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.reading_header_page .audio-player-trigger {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border: 0;
  border-radius: 0;
  background-color: var(--reading-control-bg);
  background-image: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  transition: transform 120ms ease;
}

.reading_header_page #play-btn.audio-player-trigger {
  background-color: var(--reading-control-bg);
  display: inline-flex;
  mask: none;
  -webkit-mask: none;
}

.reading_header_page .audio-player-trigger::before {
  content: "";
  width: 21px;
  height: 21px;
  background-color: var(--audio-color-1);
  mask: url("/static/icn/play.svg") center / contain no-repeat;
  -webkit-mask: url("/static/icn/play.svg") center / contain no-repeat;
}

.reading_header_page .audio-player-trigger:hover,
.reading_header_page .audio-player-container.audio-player-flyout-open .audio-player-trigger {
  background-color: var(--reading-control-bg);
  box-shadow: none;
}

.reading_header_page .audio-player-trigger:active {
  transform: translateY(1px);
}

.audio-player-flyout {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  right: auto;
  width: min(540px, calc(100vw - 1rem));
  display: grid;
  grid-template-columns: minmax(330px, 1fr) 150px;
  align-items: stretch;
  gap: 0.65rem;
  padding: 0.75rem;
  box-sizing: border-box;
  border: 1px solid var(--color-primary-border-soft);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: 0 12px 28px rgba(19, 37, 56, 0.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(-8px) scale(0.98);
  transform-origin: top center;
  transition:
    opacity 150ms ease,
    transform 180ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 180ms;
  z-index: 1300;
}

.audio-player-flyout::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  width: 100%;
  height: 8px;
}

.audio-player-container.audio-player-flyout-open .audio-player-flyout {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
  transition:
    opacity 150ms ease,
    transform 180ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s;
}

.audio-player-flyout .audio-player-central-container {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.55rem;
  min-width: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.audio-player-flyout .audio-player-timeline-container {
  margin-bottom: 0;
  padding: 0.45rem 0.55rem 0.35rem;
  border: 1px solid var(--audio-border-color);
  border-radius: 14px;
  background: var(--color-surface-hover);
}

.audio-player-flyout .audio-player-controls-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.audio-player-flyout #skip-back-btn,
.audio-player-flyout #rewind-btn,
.audio-player-flyout #ff-btn,
.audio-player-flyout #bkm-prev-btn,
.audio-player-flyout #bkm-next-btn {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
}

.audio-player-flyout .audio-player-right-container {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  justify-items: stretch;
  row-gap: 0.55rem;
  min-width: 0;
}

.audio-player-flyout .audio-button {
  background-color: var(--color-primary-soft);
}

.audio-player-flyout .rate-btn {
  color: var(--color-surface);
  background-color: var(--audio-color-1);
}

.audio-player-flyout .rewind-container,
.audio-player-flyout .bookmark-buttons-container {
  display: flex;
  align-items: center;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border-muted);
  border-radius: 14px;
  padding: 0.4rem;
}

.audio-player-flyout .rewind-container {
  flex: 1 1 auto;
  min-width: 180px;
  justify-content: space-between;
  gap: 0.65rem;
}

.audio-player-flyout .rewind-btn-container,
.audio-player-flyout .bookmark-jump-container {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.audio-player-flyout .bookmark-buttons-container {
  justify-content: space-between;
  gap: 0.45rem;
}

.audio-player-flyout #rewind-option {
  background-color: var(--color-surface);
  border: 1px solid var(--audio-border-color);
  border-radius: 14px;
  height: 2.125rem;
  min-width: 88px;
  padding-left: 0.45rem;
  font-size: 0.95rem;
}

.audio-player-flyout #playback-rate-container {
  justify-content: center;
  gap: 0.4rem;
  flex: 0 0 auto;
  min-width: 106px;
}

.audio-player-flyout #playback-rate-indicator {
  min-width: 2.2rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.audio-player-flyout .rate-btn {
  width: 28px;
  height: 28px;
}

.audio-player-flyout .duration-container {
  margin-top: 0.18rem;
  color: var(--color-text-soft);
  font-size: 0.82rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.audio-player-flyout .volume {
  width: 100%;
  align-self: center;
}

.audio-player-flyout #bkm-save-btn {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
}

.audio-player-flyout #pin {
  display: none;
}

.sticky-player .reading_header_page .audio-player-container {
  position: relative;
  width: auto;
  height: auto;
  left: auto;
  bottom: auto;
  border: 0;
  margin-bottom: 0;
}

.sticky-player #read_pane_right {
  height: auto;
}

.sticky-player .btm-margin-container {
  margin-top: 0;
}

@media screen and (max-width: 620px) {
  .audio-player-flyout {
    position: fixed;
    top: 3rem;
    right: auto;
    left: 0.375rem;
    width: calc(100vw - 0.75rem);
    grid-template-columns: 1fr;
    gap: 0.65rem;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top right;
  }

  .audio-player-container.audio-player-flyout-open .audio-player-flyout {
    transform: translateY(0) scale(1);
  }

  .audio-player-flyout .audio-player-controls-container {
    justify-content: center;
    flex-wrap: wrap;
  }

  .audio-player-flyout .audio-player-right-container {
    grid-template-columns: 1fr auto;
    column-gap: 0.65rem;
  }

  .audio-player-flyout .rewind-container {
    flex: 1 1 100%;
    min-width: 0;
  }

  .audio-player-flyout .volume {
    display: block;
    width: 100%;
    align-self: center;
  }
}