/* V2 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #f0f2f5;
  color: #333;
}

/* 布局 */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* 左侧导航 */
.sidebar {
  width: 240px;
  background: #001529;
  color: white;
  flex-shrink: 0;
}

.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-nav {
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  cursor: pointer;
  transition: all 0.2s;
  color: rgba(255,255,255,0.65);
}

.nav-item:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}

.nav-item.active {
  color: white;
  background: #1890ff;
}

.nav-item .icon {
  margin-right: 12px;
  font-size: 18px;
}

/* 主内容区 */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 顶部栏 */
.header {
  height: 64px;
  background: white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  padding: 0 24px;
  justify-content: space-between;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
}

/* 页面内容 */
.page-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.page-desc {
  color: #666;
}

/* 卡片 */
.card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #f0f0f0;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

/* 指标网格 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.metric-label {
  color: #666;
  font-size: 14px;
}

.metric-pending {
  color: #faad14;
  font-size: 12px;
  margin-top: 8px;
}

/* 状态标签 */
.status-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.status-pending { background: #f0f0f0; color: #666; }
.status-active { background: #e6f7ff; color: #1890ff; }
.status-completed { background: #f6ffed; color: #52c41a; }
.status-refunded, .status-refund-submitted { background: #fffbe6; color: #faad14; }
.status-failed { background: #fff2f0; color: #ff4d4f; }

/* 表格 */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #f0f0f0;
}

th {
  background: #fafafa;
  font-weight: 600;
  color: #333;
}

tr:hover {
  background: #fafafa;
}

/* 占位页 */
.placeholder-page {
  text-align: center;
  padding: 80px 24px;
  color: #999;
}

.placeholder-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.placeholder-title {
  font-size: 20px;
  margin-bottom: 8px;
  color: #666;
}

.placeholder-desc {
  color: #999;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: #999;
}

/* 加载 */
.loading {
  text-align: center;
  padding: 48px;
  color: #999;
}

/* 错误提示 */
.alert {
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.alert-error {
  background: #fff2f0;
  color: #ff4d4f;
  border: 1px solid #ffccc7;
}

.alert-success {
  background: #f6ffed;
  color: #52c41a;
  border: 1px solid #b7eb8f;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  background: #f0f0f0;
  color: #333;
}

.btn:hover {
  background: #e6e6e6;
}

.btn-primary {
  background: #1890ff;
  color: white;
}

.btn-primary:hover {
  background: #40a9ff;
}

.btn-danger {
  background: #ff4d4f;
  color: white;
}

.btn-danger:hover {
  background: #ff7875;
}

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.btn-filter {
  background: #fafafa;
  border: 1px solid #d9d9d9;
}

.btn-filter.active {
  background: #1890ff;
  color: white;
  border-color: #1890ff;
}

/* 表单 */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #1890ff;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  border-radius: 8px;
  padding: 24px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #999;
  line-height: 1;
}

.close-btn:hover {
  color: #333;
}

/* 抽屉 */
.drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

.drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}

.drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 480px;
  max-width: 100%;
  height: 100%;
  background: white;
  box-shadow: -4px 0 12px rgba(0,0,0,0.15);
  overflow-y: auto;
}

.drawer-header {
  padding: 16px 24px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

/* 详情 */
.detail-section {
  padding: 16px 24px;
  border-bottom: 1px solid #f0f0f0;
}

.detail-section h4 {
  margin: 0 0 16px 0;
  font-size: 14px;
  font-weight: 600;
  color: #666;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #fafafa;
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: #999;
}

.detail-value {
  color: #333;
  font-weight: 500;
}

/* 配置分组 */
.config-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.config-item {
  padding: 16px;
  background: #fafafa;
  border-radius: 4px;
}

.config-label {
  font-weight: 600;
  color: #333;
  margin-bottom: 4px;
}

.config-value {
  color: #1890ff;
  font-weight: 500;
  margin-bottom: 4px;
}

.config-desc {
  color: #999;
  font-size: 12px;
}