:root {
  --anime-progress-thumb-size: 34px;
  --anime-progress-blue-start: #35bdf6;
  --anime-progress-blue-end: #356de8;
  --anime-progress-track: #dce4ec;
  --anime-progress-buffer: rgba(80, 164, 211, 0.3);
}

.progress-track,
.mobile-progress-track {
  position: relative;
  overflow: visible;
  background: var(--anime-progress-track) !important;
}

.progress-buffer {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  background: var(--anime-progress-buffer);
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 240ms ease;
}

#progressBar,
#mobileProgressBar {
  position: relative;
  z-index: 2;
  background: linear-gradient(90deg, var(--anime-progress-blue-start), var(--anime-progress-blue-end)) !important;
  box-shadow: 0 0 10px rgba(53, 136, 235, 0.34) !important;
}

.anime-progress-thumb {
  --anime-progress-x: 0px;
  position: absolute;
  top: 50%;
  left: 0;
  z-index: 5;
  width: var(--anime-progress-thumb-size);
  height: var(--anime-progress-thumb-size);
  cursor: grab;
  touch-action: none;
  user-select: none;
  pointer-events: auto;
  transform: translate3d(var(--anime-progress-x), -50%, 0) translateX(-50%);
  transition: transform 100ms linear;
  will-change: transform;
  -webkit-tap-highlight-color: transparent;
}

.anime-progress-thumb.is-dragging {
  cursor: grabbing;
  transition-duration: 0ms;
}

.anime-progress-thumb__character,
.anime-progress-thumb__motion,
.anime-progress-thumb__image {
  display: block;
  width: 100%;
  height: 100%;
}

.anime-progress-thumb__character {
  transform-origin: center bottom;
  transition: transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1), filter 180ms ease;
  filter: drop-shadow(0 3px 4px rgba(21, 68, 117, 0.32));
}

.anime-progress-thumb__motion {
  transform-origin: center bottom;
}

.anime-progress-thumb__image {
  object-fit: contain;
  object-position: center;
  /* 原素材奔跑方向偏左，默认翻转为面向播放方向（右）。 */
  transform: scaleX(-1);
  transform-origin: center;
  pointer-events: none;
}

.anime-progress-thumb:hover .anime-progress-thumb__character,
.anime-progress-thumb:focus-visible .anime-progress-thumb__character {
  transform: scale(1.12);
  filter: drop-shadow(0 5px 7px rgba(21, 68, 117, 0.4));
}

.anime-progress-thumb.is-dragging .anime-progress-thumb__character {
  transform: scale(1.14);
}

.anime-progress-thumb.is-playing:not(.is-dragging) .anime-progress-thumb__motion {
  animation: animeProgressWalk 760ms ease-in-out infinite;
}

.anime-progress-thumb__tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  padding: 5px 9px;
  border: 1px solid rgba(82, 156, 207, 0.22);
  border-radius: 8px;
  color: #173452;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 6px 18px rgba(27, 75, 119, 0.18);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-50%, 4px, 0) scale(0.96);
  transition: opacity 150ms ease, transform 150ms ease;
}

.anime-progress-thumb__tooltip::after {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 7px;
  height: 7px;
  content: '';
  background: rgba(255, 255, 255, 0.96);
  border-right: 1px solid rgba(82, 156, 207, 0.22);
  border-bottom: 1px solid rgba(82, 156, 207, 0.22);
  transform: translate(-50%, -50%) rotate(45deg);
}

.anime-progress-thumb:hover .anime-progress-thumb__tooltip,
.anime-progress-thumb.is-dragging .anime-progress-thumb__tooltip {
  opacity: 1;
  transform: translate3d(-50%, 0, 0) scale(1);
}

@keyframes animeProgressWalk {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-1deg); }
  50% { transform: translate3d(0, -2px, 0) rotate(1deg); }
}

@media (max-width: 1023.98px) {
  :root {
    --anime-progress-thumb-size: 28px;
  }
}

@media (max-width: 480px) {
  :root {
    --anime-progress-thumb-size: 26px;
  }

  .anime-progress-thumb__tooltip {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .anime-progress-thumb,
  .anime-progress-thumb__character,
  .anime-progress-thumb__tooltip,
  .progress-buffer {
    transition-duration: 0.01ms !important;
  }

  .anime-progress-thumb__motion {
    animation: none !important;
  }
}