/* 管理后台样式 */
* {
  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;
}

/* 登录页面 */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  width: 400px;
}

.login-title {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 8px;
  color: #333;
}

.login-subtitle {
  text-align: center;
  font-size: 14px;
  color: #999;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-input:focus {
  outline: none;
  border-color: #667eea;
}

.btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-success {
  background: #52c41a;
  color: white;
}

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

.btn-warning {
  background: #faad14;
  color: white;
}

.btn-default {
  background: #fff;
  color: #666;
  border: 1px solid #d9d9d9;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  width: auto;
}

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

/* 侧边栏 */
.sidebar {
  width: 220px;
  background: #001529;
  color: white;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid #1f2937;
}

.sidebar-logo h2 {
  font-size: 18px;
  font-weight: bold;
  color: white;
}

.sidebar-menu {
  padding: 12px 0;
}

.menu-item {
  padding: 12px 24px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.menu-item:hover {
  background: #1890ff;
  color: white;
}

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

.menu-item .icon {
  width: 16px;
  text-align: center;
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: 220px;
}

/* 顶部导航 */
.header {
  background: white;
  height: 60px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-title {
  font-size: 18px;
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.logout-btn {
  color: #ff4d4f;
  cursor: pointer;
  font-size: 14px;
}

.logout-btn:hover {
  text-decoration: underline;
}

/* 内容区 */
.content {
  padding: 24px;
}

/* 卡片 */
.card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.card-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.stat-card .label {
  font-size: 14px;
  color: #999;
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: bold;
  color: #333;
}

.stat-card .trend {
  font-size: 12px;
  margin-top: 8px;
}

.stat-card .trend.up {
  color: #52c41a;
}

.stat-card .trend.down {
  color: #ff4d4f;
}

/* 表格 */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #f0f0f0;
  font-size: 14px;
}

.table th {
  background: #fafafa;
  font-weight: 500;
  color: #666;
}

.table tr:hover {
  background: #fafafa;
}

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

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

.tag-warning {
  background: #fffbe6;
  color: #faad14;
  border: 1px solid #ffe58f;
}

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

.tag-info {
  background: #e6f7ff;
  color: #1890ff;
  border: 1px solid #91d5ff;
}

.tag-default {
  background: #fafafa;
  color: #999;
  border: 1px solid #d9d9d9;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid #d9d9d9;
  background: white;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.pagination button:hover:not(:disabled) {
  border-color: #1890ff;
  color: #1890ff;
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.pagination .page-info {
  font-size: 14px;
  color: #666;
}

/* 搜索栏 */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input {
  padding: 8px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 14px;
  width: 200px;
}

.search-select {
  padding: 8px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 14px;
  min-width: 120px;
}

.search-btn {
  padding: 8px 20px;
  background: #1890ff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

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

/* 图表容器 */
.chart-container {
  height: 300px;
  position: relative;
}

/* 操作按钮组 */
.action-btns {
  display: flex;
  gap: 8px;
}

.action-btn {
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid #d9d9d9;
  background: white;
  border-radius: 4px;
  cursor: pointer;
}

.action-btn.primary {
  color: #1890ff;
  border-color: #1890ff;
}

.action-btn.danger {
  color: #ff4d4f;
  border-color: #ff4d4f;
}

/* 空状态 */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

/* 响应式 */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  
  .sidebar-logo h2 {
    font-size: 12px;
  }
  
  .menu-item span {
    display: none;
  }
  
  .main-content {
    margin-left: 60px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* 弹窗 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: white;
  border-radius: 12px;
  width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 18px;
  font-weight: 500;
}

.modal-close {
  cursor: pointer;
  font-size: 20px;
  color: #999;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.modal-close:hover {
  background: #f5f5f5;
  color: #666;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid #f0f0f0;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.modal-footer .btn {
  width: auto;
  padding: 8px 20px;
}

/* 表单 */
.form-item {
  margin-bottom: 20px;
}

.form-item label {
  display: block;
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
}

.form-item input,
.form-item select,
.form-item textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-item input:focus,
.form-item select:focus,
.form-item textarea:focus {
  outline: none;
  border-color: #1890ff;
}

.form-item textarea {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-item {
  flex: 1;
}

/* 开关 */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .3s;
  border-radius: 22px;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .switch-slider {
  background-color: #1890ff;
}

input:checked + .switch-slider:before {
  transform: translateX(22px);
}

/* 工具栏 */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.toolbar-left {
  display: flex;
  gap: 12px;
  align-items: center;
}

.toolbar-right {
  display: flex;
  gap: 12px;
}

.btn-add {
  background: #52c41a;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-add:hover {
  background: #73d13d;
}

/* 确认弹窗 */
.confirm-modal {
  width: 400px;
}

.confirm-content {
  padding: 24px;
  text-align: center;
}

.confirm-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.confirm-icon.warning {
  color: #faad14;
}

.confirm-text {
  font-size: 16px;
  color: #333;
  margin-bottom: 8px;
}

.confirm-desc {
  font-size: 14px;
  color: #999;
}