/* ========================================
   Music Player - Base Styles
   ======================================== */

.music-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #fff;
  border-top: 1px solid #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  color: #333;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  user-select: none;
}

.music-player.hidden {
  display: none;
}

/* ========================================
   Progress Bar
   ======================================== */

.music-progress-wrap {
  width: 100%;
  height: 4px;
  cursor: pointer;
  position: relative;
}

.music-progress-wrap:hover {
  height: 6px;
}

.music-progress-bar {
  width: 100%;
  height: 100%;
  background: #e0e0e0;
  position: relative;
  transition: background 0.2s ease;
}

.music-progress-current {
  height: 100%;
  background: #2d96bd;
  width: 0%;
  position: relative;
  transition: width 0.1s linear;
}

/* ========================================
   Controls Layout
   ======================================== */

.music-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  height: 52px;
  box-sizing: border-box;
}

/* Song Info */
.music-info {
  display: flex;
  flex-direction: column;
  min-width: 120px;
  max-width: 200px;
  overflow: hidden;
}

.music-title {
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-artist {
  font-size: 11px;
  color: #999;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s ease;
}

/* Buttons */
.music-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.music-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
  color: #555;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
  line-height: 1;
}

.music-btn:hover {
  color: #2d96bd;
  background: rgba(45, 150, 189, 0.1);
}

.music-play {
  font-size: 22px;
}

/* Right Section */
.music-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.music-time {
  font-size: 12px;
  color: #999;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  transition: color 0.2s ease;
}

/* Volume */
.music-volume-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
}

.music-volume {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: #e0e0e0;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.music-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #2d96bd;
  cursor: pointer;
}

.music-volume::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #2d96bd;
  cursor: pointer;
  border: none;
}

/* ========================================
   Playlist Panel
   ======================================== */

.music-playlist {
  max-height: 240px;
  overflow-y: auto;
  border-top: 1px solid #e0e0e0;
  background: #fafafa;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.music-playlist-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.music-playlist-items li {
  padding: 10px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.15s ease, color 0.2s ease, border-color 0.2s ease;
}

.music-playlist-items li:hover {
  background: #f0f0f0;
}

.music-playlist-items li.active {
  color: #2d96bd;
  font-weight: 600;
}

.music-playlist-items li .playlist-title {
  font-size: 13px;
}

.music-playlist-items li .playlist-artist {
  font-size: 11px;
  color: #999;
  transition: color 0.2s ease;
}

/* ========================================
   Dark Theme
   ======================================== */

.dark-theme .music-player {
  background: #1e1f21;
  border-top-color: #3a3b3d;
  color: #a9a9b3;
}

.dark-theme .music-artist {
  color: #6b6b73;
}

.dark-theme .music-btn {
  color: #a9a9b3;
}

.dark-theme .music-btn:hover {
  color: #fff;
  background: rgba(45, 150, 189, 0.15);
}

.dark-theme .music-time {
  color: #6b6b73;
}

.dark-theme .music-progress-bar {
  background: #3a3b3d;
}

.dark-theme .music-volume {
  background: #3a3b3d;
}

.dark-theme .music-playlist {
  background: #252628;
  border-top-color: #3a3b3d;
}

.dark-theme .music-playlist-items li {
  border-bottom-color: #3a3b3d;
}

.dark-theme .music-playlist-items li:hover {
  background: #2e2f31;
}

.dark-theme .music-playlist-items li .playlist-artist {
  color: #6b6b73;
}

/* ========================================
   Responsive - Mobile
   ======================================== */

@media (max-width: 768px) {
  .music-controls {
    padding: 6px 12px;
    height: 46px;
  }

  .music-info {
    min-width: 80px;
    max-width: 120px;
  }

  .music-title {
    font-size: 12px;
  }

  .music-time {
    display: none;
  }

  .music-volume-wrap {
    display: none;
  }

  .music-btn {
    font-size: 16px;
    padding: 4px 6px;
  }

  .music-play {
    font-size: 20px;
  }

  .music-playlist {
    max-height: 200px;
  }
}