/* 播放器弹幕：普通白字右→左；管理员彩色特效 / 置顶；设置颜色深浅 */

#meedu-player-container.sdledu-dm-ready {
  --sdledu-dm-opacity: 0.92;
}

#meedu-player-container .sdledu-dm-layer {
  position: absolute;
  inset: 0 0 44px 0;
  z-index: 16;
  overflow: hidden;
  pointer-events: none;
}

#meedu-player-container .sdledu-dm-item {
  position: absolute;
  left: 100%;
  white-space: nowrap;
  font: 600 18px/28px "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.75), 0 0 4px rgba(0, 0, 0, 0.35);
  opacity: var(--sdledu-dm-opacity);
  pointer-events: auto;
  cursor: pointer;
  user-select: none;
  will-change: transform;
  animation-name: sdledu-dm-scroll;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}

#meedu-player-container.sdledu-dm-paused .sdledu-dm-item {
  animation-play-state: paused;
}

#meedu-player-container .sdledu-dm-item.is-admin {
  font-weight: 700;
  letter-spacing: 0.02em;
}

#meedu-player-container .sdledu-dm-item.fx-glow {
  text-shadow: 0 0 6px currentColor, 0 0 14px currentColor, 0 1px 2px rgba(0, 0, 0, 0.65);
}

#meedu-player-container .sdledu-dm-item.fx-rainbow {
  background: linear-gradient(90deg, #ff5a7a, #ffd76a, #5ad1ff, #7dffb3, #ff5a7a);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation-name: sdledu-dm-scroll, sdledu-dm-rainbow;
  animation-timing-function: linear, linear;
  animation-iteration-count: 1, infinite;
  text-shadow: none;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.45));
}

#meedu-player-container .sdledu-dm-item.fx-gold {
  background: linear-gradient(90deg, #8a5a12, #ffe7a0 35%, #fff6d0 50%, #e4b34a 70%, #8a5a12);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation-name: sdledu-dm-scroll, sdledu-dm-shimmer;
  animation-timing-function: linear, linear;
  animation-iteration-count: 1, infinite;
  filter: drop-shadow(0 0 6px rgba(255, 210, 110, 0.55));
}

#meedu-player-container .sdledu-dm-item.fx-pulse {
  animation-name: sdledu-dm-scroll, sdledu-dm-pulse;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: 1, infinite;
}

#meedu-player-container .sdledu-dm-item.is-pin {
  left: 50%;
  right: auto;
  animation: none;
  transform: translateX(-50%);
  padding: 4px 14px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.42);
  font-size: 20px;
  line-height: 28px;
  z-index: 4;
}

#meedu-player-container .sdledu-dm-item.is-pin.fx-rainbow,
#meedu-player-container .sdledu-dm-item.is-pin.fx-gold {
  animation-name: sdledu-dm-rainbow;
  animation-duration: 2.4s;
  animation-iteration-count: infinite;
}

#meedu-player-container .sdledu-dm-item.is-pin.fx-gold {
  animation-name: sdledu-dm-shimmer;
}

#meedu-player-container .sdledu-dm-item.is-pin.fx-pulse {
  animation-name: sdledu-dm-pulse;
  animation-duration: 1.1s;
}

.sdledu-dm-like {
  position: fixed;
  z-index: 4000;
  transform: translate(-50%, -100%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 6px 12px;
  border-radius: 16px;
  background: rgba(20, 20, 20, 0.94);
  color: #fff;
  font: 13px/18px "PingFang SC", "Microsoft YaHei", sans-serif;
  pointer-events: auto;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.sdledu-dm-like.is-below {
  transform: translate(-50%, 0);
}

.sdledu-dm-like-ico {
  color: #fb7299;
  font-size: 15px;
  line-height: 1;
}

.sdledu-dm-like-n {
  font-variant-numeric: tabular-nums;
  opacity: 0.92;
}

.sdledu-dm-like.is-on {
  color: #fff;
  background: rgba(32, 18, 24, 0.96);
  outline: 1px solid rgba(251, 114, 153, 0.55);
}

.sdledu-dm-like.is-on .sdledu-dm-like-txt {
  color: #fb7299;
  font-weight: 600;
}

#meedu-player-container.sdledu-dm-focus .dplayer-controller,
#meedu-player-container.sdledu-dm-focus .dplayer-controller-mask,
#meedu-player-container:has(.sdledu-dm-panel.is-open) .dplayer-controller,
#meedu-player-container:has(.sdledu-dm-panel.is-open) .dplayer-controller-mask,
#meedu-player-container:has(.sdledu-dm-composer.is-open) .dplayer-controller,
#meedu-player-container:has(.sdledu-dm-composer.is-open) .dplayer-controller-mask {
  opacity: 1 !important;
  visibility: visible !important;
}

#meedu-player-container .dplayer-icons.dplayer-icons-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  white-space: nowrap;
}

#meedu-player-container .sdledu-dm-dock {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  vertical-align: top;
  width: auto;
  height: 38px;
  left: auto;
  right: auto;
  bottom: auto;
  z-index: 5;
  padding: 0 2px;
  box-sizing: border-box;
  opacity: 1;
  pointer-events: auto;
}

#meedu-player-container .sdledu-dm-row {
  display: inline-flex;
  align-items: center;
  width: auto;
  gap: 0;
  height: 38px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

#meedu-player-container .sdledu-dm-toggle,
#meedu-player-container .sdledu-dm-open,
#meedu-player-container .sdledu-dm-gear {
  appearance: none;
  border: 0;
  background: transparent;
  color: #fff;
  height: 38px;
  padding: 0 8px;
  font: 13px/38px "PingFang SC", "Microsoft YaHei", sans-serif;
  cursor: pointer;
  white-space: nowrap;
  opacity: 0.92;
  transition: color 0.15s ease, opacity 0.15s ease;
}

#meedu-player-container .sdledu-dm-open:hover,
#meedu-player-container .sdledu-dm-open.is-on,
#meedu-player-container .sdledu-dm-gear:hover,
#meedu-player-container .sdledu-dm-toggle:hover {
  opacity: 1;
  color: #ff6b6d;
}

#meedu-player-container .sdledu-dm-toggle.is-off {
  opacity: 0.45;
}

#meedu-player-container .sdledu-dm-composer {
  position: absolute;
  right: 0;
  bottom: 44px;
  width: 320px;
  padding: 0;
  border-radius: 10px;
  background: rgba(21, 21, 21, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
  color: #fff;
  z-index: 22;
  display: none;
  box-sizing: border-box;
  overflow: hidden;
}

#meedu-player-container .sdledu-dm-composer.is-open {
  display: block;
  animation: sdledu-dm-pop 0.16s ease;
}

#meedu-player-container .sdledu-dm-composer-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 8px;
  font: 600 13px/18px "PingFang SC", "Microsoft YaHei", sans-serif;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

#meedu-player-container .sdledu-dm-close {
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  width: 28px;
  height: 28px;
  font: 20px/28px sans-serif;
  cursor: pointer;
  border-radius: 6px;
}

#meedu-player-container .sdledu-dm-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

#meedu-player-container .sdledu-dm-compose {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 12px 12px;
  padding: 0 4px 0 12px;
  height: 36px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  box-sizing: border-box;
}

#meedu-player-container .sdledu-dm-send {
  appearance: none;
  flex: 0 0 auto;
  border: 0;
  height: 28px;
  padding: 0 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.55);
  font: 13px/28px "PingFang SC", "Microsoft YaHei", sans-serif;
  cursor: pointer;
  white-space: nowrap;
}

#meedu-player-container .sdledu-dm-send.is-ready {
  background: #fb7299;
  color: #fff;
}

#meedu-player-container .sdledu-dm-input {
  flex: 1 1 auto;
  width: 0;
  min-width: 0;
  height: 32px;
  border: 0;
  background: transparent;
  color: #fff;
  font: 13px/32px "PingFang SC", "Microsoft YaHei", sans-serif;
  outline: none;
}

#meedu-player-container .sdledu-dm-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

#meedu-player-container .sdledu-dm-admin {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px 0;
  box-sizing: border-box;
}

#meedu-player-container.sdledu-dm-admin .sdledu-dm-admin {
  display: flex;
}

#meedu-player-container .sdledu-dm-admin-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

#meedu-player-container .sdledu-dm-lab {
  color: rgba(255, 255, 255, 0.65);
  font: 12px/16px "PingFang SC", "Microsoft YaHei", sans-serif;
  margin-right: 2px;
}

#meedu-player-container .sdledu-dm-chip {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
}

#meedu-player-container .sdledu-dm-chip.is-on {
  border-color: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
}

#meedu-player-container .sdledu-dm-admin label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.82);
  font: 12px/18px "PingFang SC", "Microsoft YaHei", sans-serif;
}

#meedu-player-container .sdledu-dm-admin select,
#meedu-player-container .sdledu-dm-admin input[type="range"] {
  accent-color: #fb7299;
}

#meedu-player-container .sdledu-dm-admin select {
  height: 24px;
  border: 0;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 12px;
}

#meedu-player-container .sdledu-dm-dur-lab {
  width: 100%;
}

#meedu-player-container .sdledu-dm-dur-lab input[type="range"] {
  flex: 1;
  width: auto;
  min-width: 120px;
}

#meedu-player-container .sdledu-dm-panel {
  position: absolute;
  right: 0;
  bottom: 44px;
  width: 220px;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(21, 21, 21, 0.92);
  color: #fff;
  z-index: 20;
  display: none;
}

#meedu-player-container .sdledu-dm-panel.is-open {
  display: block;
  animation: sdledu-dm-pop 0.16s ease;
}

#meedu-player-container .sdledu-dm-panel h4 {
  margin: 0 0 10px;
  font: 600 13px/18px "PingFang SC", "Microsoft YaHei", sans-serif;
}

#meedu-player-container .sdledu-dm-panel label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font: 12px/18px "PingFang SC", "Microsoft YaHei", sans-serif;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 8px;
}

#meedu-player-container .sdledu-dm-panel input[type="range"] {
  width: 110px;
  accent-color: #fb7299;
}

@keyframes sdledu-dm-pop {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes sdledu-dm-scroll {
  to {
    transform: translateX(var(--sdledu-dm-travel, -1800px));
  }
}

@keyframes sdledu-dm-rainbow {
  to {
    background-position: 220% 0;
  }
}

@keyframes sdledu-dm-shimmer {
  to {
    background-position: 200% 0;
  }
}

@keyframes sdledu-dm-pulse {
  50% {
    filter: brightness(1.35);
  }
}

#meedu-player-container .sdledu-dm-item.is-pin.fx-pulse {
  transform-origin: center;
}