/* 侧边栏标签弹幕效果 - B站风格 */
#aside-content .card-tags .card-tag-cloud.danmaku-init {
  max-height: 220px;
  overflow: hidden;
  position: relative;
  padding: 0;
}

.danmaku-canvas {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.danmaku-bullet {
  position: absolute;
  white-space: nowrap;
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.75);
  font-size: 12px !important;
  line-height: 20px;
  text-decoration: none;
  cursor: pointer;
  opacity: 0;
  animation: danmaku-fly linear forwards;
  transition: background 0.2s, box-shadow 0.2s;
  z-index: 0;
  will-change: left, opacity;
}

[data-theme="dark"] .danmaku-bullet {
  background: rgba(55, 55, 55, 0.75);
}

.danmaku-bullet sup {
  font-size: 10px;
  margin-left: 2px;
  opacity: 0.6;
}

.danmaku-bullet:hover {
  background: var(--main, #49b1f5) !important;
  color: #fff !important;
  box-shadow: 0 1px 6px rgba(0,0,0,.15);
  z-index: 10;
}

.danmaku-bullet:hover sup {
  opacity: 1;
  color: #fff;
}

/* 暂停全部弹幕 */
#aside-content .card-tags .card-tag-cloud.danmaku-init:hover .danmaku-bullet {
  animation-play-state: paused;
}

/* 从左侧飘入，从右侧飘出 */
@keyframes danmaku-fly {
  0% {
    left: 0;
    transform: translateX(-100%);
    opacity: 0;
  }
  3% {
    opacity: 1;
  }
  97% {
    opacity: 1;
  }
  100% {
    left: 100%;
    transform: translateX(0);
    opacity: 0;
  }
}