/* ============================================
   黄色仓库 - 全局底部播放器样式
   持久化音频播放器，支持波形可视化
   ============================================ */

/* === 底部全局播放器 === */
.global-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--player-height);
  background: rgba(10, 10, 20, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  z-index: var(--z-player);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  transition: height var(--transition-normal);
}

.global-player__inner {
  display: grid;
  grid-template-columns: 250px 1fr 200px;
  align-items: center;
  gap: var(--space-xl);
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* 当前曲目信息 */
.global-player__track {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
}

.global-player__cover {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
}

.global-player__info {
  min-width: 0;
}

.global-player__title {
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.global-player__artist {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.global-player__like {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.global-player__like:hover,
.global-player__like.active {
  color: var(--danger);
}

/* 播放控制区域 */
.global-player__controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.global-player__buttons {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.global-player__btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.global-player__btn:hover {
  color: var(--text);
}

.global-player__btn--play {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: white;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
}

.global-player__btn--play:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-strong);
  color: white;
}

/* 波形进度条 */
.global-player__waveform {
  width: 100%;
  max-width: 500px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.global-player__time {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

.global-player__progress {
  flex: 1;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
  transition: height var(--transition-fast);
}

.global-player__progress:hover {
  height: 6px;
}

.global-player__progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  width: 35%;
  transition: width 0.1s linear;
}

.global-player__progress-handle {
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.global-player__progress:hover .global-player__progress-handle {
  opacity: 1;
}

/* 音量与附加控制 */
.global-player__extra {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
}

.global-player__volume {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.global-player__volume-slider {
  width: 80px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.global-player__volume-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 70%;
}

.global-player__buy-btn {
  padding: 6px 14px;
  background: var(--gradient-primary);
  color: white;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.global-player__buy-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
  color: white;
}

/* === 波形播放器组件（列表内） === */
.waveform-player {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.waveform-player:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.waveform-player__play {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.waveform-player__play:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow-strong);
}

.waveform-player__canvas {
  flex: 1;
  height: 40px;
  cursor: pointer;
}

.waveform-player__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.waveform-player__duration {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* === 移动端播放器适配 === */
@media (max-width: 768px) {
  .global-player {
    height: var(--player-height-mobile);
    padding: 0 var(--space-md);
  }

  .global-player__inner {
    grid-template-columns: 1fr auto;
    gap: var(--space-md);
  }

  .global-player__waveform {
    display: none;
  }

  .global-player__extra {
    display: none;
  }

  .global-player__controls {
    flex-direction: row;
    gap: var(--space-sm);
  }

  .global-player__buttons {
    gap: var(--space-sm);
  }

  .global-player__cover {
    width: 40px;
    height: 40px;
  }

  /* 上滑展开全屏播放界面 */
  .global-player.expanded {
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl);
  }

  .global-player.expanded .global-player__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    text-align: center;
  }

  .global-player.expanded .global-player__waveform {
    display: flex;
  }

  .global-player.expanded .global-player__extra {
    display: flex;
    justify-content: center;
  }

  .global-player.expanded .global-player__cover {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
  }
}