:root {
  --primary-color: #409EFF;
  --secondary-color: #67C23A;
  --background-color: #f0f2f5;
  --text-color: #303133;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --hover-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  --border-radius: 12px;
  --spacing: 24px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing);
}

/* 头部样式 */
.header {
  text-align: center;
  padding: calc(var(--spacing) * 2) 0;
  margin-bottom: calc(var(--spacing) * 1.5);
  background: linear-gradient(135deg, #1890ff 0%, #36cfc9 100%);
  border-radius: var(--border-radius);
  color: white;
  box-shadow: var(--card-shadow);
}

.logo1, .logo2 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.author {
  font-size: 1rem;
  opacity: 0.8;
}

/* 搜索区域样式 */
.search-container {
  max-width: 800px;
  margin: 0 auto calc(var(--spacing) * 1.5);
  padding: var(--spacing);
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s ease;
}

.search-container:hover {
  box-shadow: var(--hover-shadow);
}

.search-box {
  display: flex;
  gap: var(--spacing);
}

/* 歌单卡片样式 */
.playlist-card {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing);
  margin-bottom: var(--spacing);
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
}

.playlist-card:hover {
  box-shadow: var(--hover-shadow);
}

.playlist-header {
  display: flex;
  gap: var(--spacing);
  margin-bottom: var(--spacing);
}

.playlist-cover {
  width: 160px;
  height: 160px;
  border-radius: calc(var(--border-radius) / 2);
  object-fit: cover;
  box-shadow: var(--card-shadow);
}

.playlist-info {
  flex: 1;
}

.playlist-info h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.playlist-info p {
  color: #606266;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

/* 下载按钮容器 */
.download-selected-container {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: var(--spacing);
  border-top: 1px solid #ebeef5;
  margin-top: var(--spacing);
}

/* 分页容器样式 */
.pagination-container {
  display: flex;
  justify-content: center;
  padding-top: var(--spacing);
  margin-top: var(--spacing);
  border-top: 1px solid #ebeef5;
}

.el-pagination {
  padding: 0;
}

.el-pagination .el-pager li {
  border-radius: 6px;
  margin: 0 2px;
}

.el-pagination .el-pager li.active {
  background-color: var(--primary-color);
  color: white;
}

.el-pagination .btn-prev,
.el-pagination .btn-next {
  border-radius: 6px;
  margin: 0 2px;
}

/* 歌曲列表样式 */
.tracks-container {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing);
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
}

.tracks-container:hover {
  box-shadow: var(--hover-shadow);
}

/* 表格样式优化 */
.el-table {
  border-radius: calc(var(--border-radius) / 2);
  overflow: hidden;
}

.el-table th {
  background-color: #f5f7fa !important;
  color: #606266;
  font-weight: 600;
}

.el-table--enable-row-hover .el-table__body tr:hover > td {
  background-color: #f5f7fa;
}

/* 按钮容器样式 */
.button-container {
  display: flex;
  gap: 8px;
  justify-content: center;
}

/* 进度条样式 */
.download-progress {
  position: fixed;
  bottom: var(--spacing);
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 600px;
  background: white;
  padding: calc(var(--spacing) / 2);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  z-index: 1000;
}

/* 对话框样式 */
.el-dialog {
  border-radius: var(--border-radius);
}

.el-dialog__header {
  padding: var(--spacing);
  border-bottom: 1px solid #ebeef5;
}

.el-dialog__body {
  padding: var(--spacing);
}

.el-dialog__footer {
  padding: var(--spacing);
  border-top: 1px solid #ebeef5;
}

/* 响应式设计 */
@media (max-width: 768px) {
  :root {
    --spacing: 16px;
  }

  .playlist-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .search-box {
    flex-direction: column;
  }

  .button-container {
    flex-wrap: wrap;
  }

  .download-selected-container {
    flex-direction: column;
    align-items: stretch;
  }

  .pagination-container {
    padding: 12px 0;
  }

  .el-pagination {
    text-align: center;
  }

  .el-pagination .el-pagination__sizes,
  .el-pagination .el-pagination__jump {
    display: none;
  }
}