/* ===== 后台管理系统样式 ===== */

.admin-body {
  background: #f0f2f5;
  min-height: 100vh;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ===== 侧边栏 ===== */
.admin-sidebar {
  width: 220px;
  background: #001529;
  color: rgba(255, 255, 255, 0.85);
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.admin-sidebar-header span {
  color: var(--color-primary);
}

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

.admin-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  border-left: 3px solid transparent;
}

.admin-menu-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.admin-menu-item.active {
  color: #fff;
  background: rgba(236, 105, 25, 0.15);
  border-left-color: var(--color-primary);
}

.admin-menu-item .icon {
  font-size: 16px;
}

/* ===== 主内容区 ===== */
.admin-main {
  flex: 1;
  margin-left: 220px;
  min-height: 100vh;
}

.admin-header {
  height: 64px;
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-header-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

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

.admin-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
}

.admin-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}

.admin-content {
  padding: 24px;
}

/* ===== 卡片 ===== */
.admin-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  margin-bottom: 20px;
}

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

.admin-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.admin-card-body {
  padding: 24px;
}

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

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

.stat-card-label {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.stat-card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.stat-card-value.primary {
  color: var(--color-primary);
}

.stat-card-value.success {
  color: var(--color-success);
}

.stat-card-value.info {
  color: var(--color-info);
}

.stat-card-value.warning {
  color: var(--color-warning);
}

.stat-card-trend {
  font-size: 12px;
  color: var(--color-subtle);
}

/* ===== 图表容器 ===== */
.chart-container {
  height: 350px;
  width: 100%;
}

/* ===== 表格 ===== */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  background: #fafafa;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid #f0f0f0;
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f0f0f0;
  color: var(--color-text);
}

.admin-table tbody tr:hover {
  background: #fafafa;
}

/* ===== 状态标签 ===== */
.status-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-tag.success {
  background: rgba(124, 179, 66, 0.1);
  color: var(--color-success);
}

.status-tag.warning {
  background: rgba(245, 124, 0, 0.1);
  color: var(--color-warning);
}

.status-tag.error {
  background: rgba(211, 47, 47, 0.1);
  color: var(--color-danger);
}

.status-tag.info {
  background: rgba(30, 136, 229, 0.1);
  color: var(--color-info);
}

/* ===== 登录页 ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 28px;
  color: var(--color-text);
  margin-bottom: 8px;
}

.login-logo h1 span {
  color: var(--color-primary);
}

.login-logo p {
  color: var(--color-muted);
  font-size: 14px;
}

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

.login-form .form-input {
  padding: 12px 16px;
  font-size: 15px;
}

.login-btn {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  margin-top: 8px;
}

.login-error {
  background: rgba(211, 47, 47, 0.1);
  border: 1px solid rgba(211, 47, 47, 0.3);
  color: var(--color-danger);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 14px;
  text-align: center;
}

/* ===== 表单 ===== */
.admin-form .form-group {
  margin-bottom: 20px;
}

.admin-form .form-label {
  font-weight: 500;
  margin-bottom: 8px;
}

.admin-form .form-input,
.admin-form .form-select,
.admin-form .form-textarea {
  padding: 8px 12px;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #f0f0f0;
}

/* ===== 按钮组 ===== */
.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 8px;
  font-family: inherit;
}

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

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border: none;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-danger:hover {
  background: #b71c1c;
}

/* ===== 设置表单网格 ===== */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.settings-section {
  margin-bottom: 32px;
}

.settings-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
}

/* ===== 工具图标选择 ===== */
.icon-picker {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  max-height: 200px;
  overflow-y: auto;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.icon-option {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.icon-option:hover {
  background: var(--color-primary-soft);
}

.icon-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .admin-sidebar {
    width: 64px;
  }
  .admin-sidebar-header {
    font-size: 14px;
  }
  .admin-menu-item span {
    display: none;
  }
  .admin-main {
    margin-left: 64px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .admin-content {
    padding: 16px;
  }
}