/* ============================================
   🎵 音乐播放器专用样式
   ============================================ */

/* ==================== 1. 音乐按钮动画 ==================== */
#music-player-btn.playing {
  animation: music-pulse 1.5s ease-in-out infinite;
}

@keyframes music-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

/* ==================== 2. 遮罩层 ==================== */
#music-drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

#music-drawer-mask.open {
  opacity: 1;
  visibility: visible;
}

/* ==================== 3. 播放器抽屉 ==================== */
#music-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  z-index: 1000;

  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(18px);

  box-shadow: -4px 0 24px rgba(0,0,0,0.12);

  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);

  display: flex;
  flex-direction: column;

  overflow: hidden;
}

#music-drawer.open {
  transform: translateX(0);
}

/* ==================== 4. Header ==================== */
.music-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 16px;

  border-bottom: 1px solid rgba(0,0,0,0.08);

  flex-shrink: 0;
}

.music-drawer-title {
  font-size: 15px;
  font-weight: bold;
  color: #333;
}

.music-drawer-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

#music-source-switch {
  font-size: 11px;

  padding: 3px 6px;

  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 6px;

  background: rgba(255,255,255,0.7);

  cursor: pointer;
  outline: none;
}

#music-drawer-close {
  background: none;
  border: none;

  font-size: 16px;

  cursor: pointer;

  color: #666;

  padding: 4px 6px;

  border-radius: 6px;

  transition: background 0.2s;
}

#music-drawer-close:hover {
  background: rgba(0,0,0,0.06);
}

/* ==================== 5. Cover ==================== */
.music-drawer-cover {
  display: flex;
  align-items: center;
  gap: 14px;

  padding: 18px 16px;

  flex-shrink: 0;
}

.music-cover-img {
  width: 72px;
  height: 72px;

  border-radius: 12px;

  overflow: hidden;

  flex-shrink: 0;

  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.music-cover-img img {
  width: 100%;
  height: 100%;

  object-fit: cover;

  transition: transform 5s linear;
}

.playing .music-cover-img img,
#music-drawer .music-cover-img img.spinning {
  animation: cover-spin 8s linear infinite;
}

@keyframes cover-spin {
  to {
    transform: rotate(360deg);
  }
}

.music-cover-info {
  min-width: 0;
  flex: 1;
}

.music-cover-title {
  font-size: 14px;
  font-weight: bold;

  color: #333;

  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-cover-artist {
  font-size: 11px;

  color: #888;

  margin-top: 4px;

  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== 6. Progress ==================== */
.music-drawer-progress {
  display: flex;
  align-items: center;
  gap: 8px;

  padding: 0 16px 8px;

  flex-shrink: 0;
}

.music-time {
  font-size: 10px;
  color: #999;

  min-width: 32px;

  text-align: center;

  font-variant-numeric: tabular-nums;
}

#music-progress {
  flex: 1;

  appearance: none;

  height: 4px;

  border-radius: 2px;

  background: rgba(0,0,0,0.1);

  outline: none;
  cursor: pointer;
}

#music-progress::-webkit-slider-thumb {
  appearance: none;

  width: 12px;
  height: 12px;

  border-radius: 50%;

  background: #ff69b4;

  border: 2px solid #fff;

  box-shadow: 0 1px 4px rgba(0,0,0,0.2);

  cursor: pointer;

  transition: transform 0.15s;
}

#music-progress::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

/* ==================== 7. Controls ==================== */
.music-drawer-controls {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: 10px;

  padding: 4px 16px 14px;

  flex-shrink: 0;
}

.music-drawer-controls button {
  width: 36px;
  height: 36px;

  border-radius: 50%;

  border: none;
  background: none;

  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 16px;

  color: #555;

  transition:
    background 0.2s,
    color 0.2s,
    transform 0.15s;
}

.music-drawer-controls button:hover {
  background: rgba(0,0,0,0.06);
  color: #333;
}

.music-drawer-controls button:active {
  transform: scale(0.92);
}

/* 主播放按钮 */
#music-play {
  width: 52px;
  height: 52px;

  border-radius: 50%;

  background: linear-gradient(135deg,#7b61ff,#9f7aea) !important;

  color: #fff !important;

  font-size: 22px;

  box-shadow:
    0 6px 20px rgba(123,97,255,0.4),
    0 0 20px rgba(123,97,255,0.25);

  transition: all 0.25s ease;
}

#music-play:hover {
  transform: scale(1.08);
}

#music-play:active {
  transform: scale(0.94);
}

/* ==================== 8. 音量 ==================== */
.music-volume-wrapper {
  display: flex;
  align-items: center;
  gap: 4px;

  margin-left: 4px;
}

#music-volume {
  width: 60px;

  appearance: none;

  height: 3px;

  border-radius: 2px;

  background: rgba(0,0,0,0.1);

  outline: none;

  cursor: pointer;
}

#music-volume::-webkit-slider-thumb {
  appearance: none;

  width: 10px;
  height: 10px;

  border-radius: 50%;

  background: #888;

  border: 1px solid #fff;

  cursor: pointer;
}

/* ==================== 9. 状态 ==================== */
.music-drawer-status {
  padding: 0 16px 8px;
  flex-shrink: 0;
}

.music-status-loading,
.music-status-error {
  display: flex;
  align-items: center;
  gap: 8px;

  font-size: 12px;

  color: #999;

  padding: 6px 0;
}

.music-status-error {
  color: #e74c3c;
}

/* ==================== 10. 播放列表 ==================== */
#music-playlist {
  flex: 1;

  overflow-y: auto;

  list-style: none;

  margin: 0;
  padding: 0 8px 16px;
}

.music-playlist-item {
  display: flex;
  align-items: center;
  gap: 8px;

  padding: 10px 12px;

  border-radius: 12px;

  cursor: pointer;

  transition: all 0.25s ease;

  font-size: 12px;
}

.music-playlist-item:hover {
  background: rgba(0,0,0,0.05);
}

.music-playlist-item.active {
  background: rgba(123,97,255,0.12);
}

.music-pl-index {
  min-width: 20px;

  text-align: center;

  color: #bbb;

  font-size: 11px;
}

.music-pl-title {
  flex: 1;

  min-width: 0;

  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;

  color: #444;
}

.music-playlist-item.active .music-pl-title {
  color: #7b61ff;
  font-weight: bold;
}

.music-pl-artist {
  font-size: 10px;

  color: #aaa;

  white-space: nowrap;

  flex-shrink: 0;

  max-width: 80px;

  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== 11. 深色模式 ==================== */
[data-theme="dark"] #music-drawer {
  background: rgba(22,22,40,0.96);
}

[data-theme="dark"] .music-drawer-title,
[data-theme="dark"] .music-cover-title {
  color: #e0e0e0;
}

[data-theme="dark"] .music-cover-artist,
[data-theme="dark"] .music-pl-artist {
  color: #888;
}

[data-theme="dark"] .music-drawer-controls button {
  color: #ccc;
}

[data-theme="dark"] .music-drawer-controls button:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

[data-theme="dark"] #music-progress,
[data-theme="dark"] #music-volume {
  background: rgba(255,255,255,0.1);
}

[data-theme="dark"] .music-playlist-item:hover {
  background: rgba(255,255,255,0.05);
}

[data-theme="dark"] .music-playlist-item.active {
  background: rgba(123,97,255,0.2);
}

[data-theme="dark"] .music-pl-title {
  color: #ccc;
}

[data-theme="dark"] .music-playlist-item.active .music-pl-title {
  color: #8b7dff;
}

/* ==================== 12. 响应式 ==================== */
@media screen and (max-width: 768px) {
  #music-drawer {
    width: 100vw;
  }
}

@media screen and (max-width: 480px) {
  .music-cover-img {
    width: 56px;
    height: 56px;
  }

  .music-drawer-controls {
    gap: 6px;
  }

  #music-volume {
    width: 40px;
  }

  #music-playlist {
    max-height: 30vh;
  }
}