* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  height: 100%;
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  color: #e0e0e0;
  overflow: hidden;
}

.player-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

/* 顶部导航 */
.player-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  gap: 12px;
}

.back-btn {
  color: #e0e0e0;
  text-decoration: none;
  font-size: 18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.back-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.player-header h1 {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}

.header-spacer {
  width: 36px;
}

/* 搜索栏 */
.search-bar {
  display: flex;
  align-items: center;
  margin: 0 20px 16px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.2s;
}

.search-bar:focus-within {
  border-color: rgba(102, 126, 234, 0.5);
}

.search-icon {
  color: #888;
  font-size: 14px;
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: #e0e0e0;
  padding: 12px;
  font-size: 14px;
  outline: none;
}

.search-bar input::placeholder {
  color: #666;
}

.search-submit {
  background: none;
  border: none;
  color: #667eea;
  font-size: 16px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s;
}

.search-submit:hover {
  background: rgba(102, 126, 234, 0.15);
}

/* 标签页 */
.tab-bar {
  display: flex;
  gap: 4px;
  margin: 0 20px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 3px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  color: #888;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.tab-btn.active {
  background: rgba(102, 126, 234, 0.2);
  color: #667eea;
}

.tab-btn i {
  font-size: 12px;
}

/* 标签内容 */
.tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 0 20px;
  padding-bottom: 160px;
}

.tab-content.active {
  display: block;
}

.tab-content::-webkit-scrollbar {
  width: 4px;
}

.tab-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

/* 歌曲列表 */
.song-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.song-item {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
  gap: 12px;
}

.song-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.song-item.playing {
  background: rgba(102, 126, 234, 0.12);
}

.song-item.playing .song-item-title {
  color: #667eea;
}

.song-item-cover {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.song-item-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.song-item-cover i {
  color: #667eea;
  font-size: 16px;
}

.song-item-info {
  flex: 1;
  overflow: hidden;
}

.song-item-title {
  font-size: 14px;
  font-weight: 500;
  color: #e0e0e0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-item-artist {
  font-size: 12px;
  color: #888;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-item-duration {
  font-size: 12px;
  color: #666;
  flex-shrink: 0;
}

.song-item-source {
  font-size: 10px;
  color: #555;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* 搜索提示 */
.search-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: #555;
}

.search-hint i {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.search-hint p {
  font-size: 14px;
}

.search-hint.hidden {
  display: none;
}

.search-loading {
  text-align: center;
  padding: 40px 20px;
  color: #888;
  font-size: 14px;
}

.search-loading i {
  animation: spin 1s linear infinite;
  margin-right: 8px;
}

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

/* 底部播放控件 */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  background: rgba(15, 12, 41, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 100;
}

.progress-container {
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  right: -5px;
  top: -4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #667eea;
  opacity: 0;
  transition: opacity 0.2s;
}

.progress-container:hover .progress-bar::after {
  opacity: 1;
}

.player-controls {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  gap: 12px;
}

.now-playing {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.song-thumb {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.song-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.song-thumb i {
  color: #667eea;
  font-size: 14px;
}

.song-meta {
  overflow: hidden;
}

.song-title {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-artist {
  font-size: 11px;
  color: #888;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.control-buttons {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ctrl-btn {
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: #e0e0e0;
  font-size: 16px;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.ctrl-btn.play-btn {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  font-size: 16px;
  color: #fff;
}

.ctrl-btn.play-btn:hover {
  opacity: 0.9;
}

.mode-btn {
  font-size: 14px !important;
  color: #888 !important;
}

.mode-btn.active {
  color: #667eea !important;
}

.mode-btn.shuffle i::before {
  content: '\f074';
}

.time-display {
  display: flex;
  justify-content: space-between;
  padding: 0 20px 12px;
  font-size: 11px;
  color: #666;
}

/* 响应式 - 大屏桌面 */
@media (min-width: 481px) {
  .player-app {
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
  }
}

/* 空列表提示 */
.empty-list {
  text-align: center;
  padding: 40px 20px;
  color: #555;
  font-size: 14px;
}