/* ============================================================
   AI探店视频 - 后台管理系统样式
   主色: #FF5C7B  辅助: #364FC7
============================================================ */

:root {
  --primary: #FF5C7B;
  --primary-light: #FFF0F3;
  --sidebar-bg: #1E1E2D;
  --sidebar-active: #FF5C7B;
  --text-dark: #1a1a1a;
  --text-gray: #6c757d;
  --border: #e9ecef;
  --bg: #f5f6fa;
  --white: #fff;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --radius: 12px;
  --danger: #dc3545;
  --success: #28a745;
  --warning: #ffc107;
  --info: #17a2b8;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  color: var(--text-dark);
  background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* 侧边栏 */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width 0.3s;
}

.sidebar-brand {
  padding: 24px 20px;
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-brand .brand-icon {
  font-size: 24px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-group {
  margin-bottom: 8px;
}

.nav-group-title {
  padding: 8px 20px;
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1px;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: all 0.2s;
  gap: 12px;
  font-size: 14px;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
  text-decoration: none;
}

.nav-item.active {
  background: rgba(255,92,123,0.15);
  color: var(--sidebar-active);
  border-left-color: var(--sidebar-active);
  font-weight: 600;
}

.nav-item .nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
}

/* 顶部栏 */
.topbar {
  height: 60px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-left h2 {
  font-size: 18px;
  font-weight: 600;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-gray);
  font-size: 13px;
}

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

.admin-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
}

/* 页面容器 */
.page-content {
  padding: 24px 28px;
  flex: 1;
}

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

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.stat-icon.users { background: #E8F4FD; }
.stat-icon.orders { background: #FFF0F3; }
.stat-icon.revenue { background: #E8F5E9; }
.stat-icon.active { background: #FFF8E1; }

.stat-info .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  display: block;
  line-height: 1.2;
}

.stat-info .stat-label {
  font-size: 13px;
  color: var(--text-gray);
  margin-top: 4px;
}

.stat-info .stat-trend {
  font-size: 12px;
  margin-top: 4px;
  display: inline-block;
  padding: 1px 8px;
  border-radius: 8px;
}

.stat-trend.up { background: #E8F5E9; color: #28a745; }
.stat-trend.down { background: #FFEBEE; color: #dc3545; }

/* ============ 卡片面板 ============ */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

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

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

thead th {
  background: #f8f9fa;
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}

tbody tr:hover {
  background: #f8f9fb;
}

tbody tr:last-child td {
  border-bottom: none;
}

/* 状态标签 */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success { background: #E8F5E9; color: #28a745; }
.badge-warning { background: #FFF8E1; color: #e67e22; }
.badge-danger  { background: #FFEBEE; color: #dc3545; }
.badge-info    { background: #E8F4FD; color: #17a2b8; }
.badge-gray    { background: #f0f0f0; color: #666; }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* 用户信息行 */
.user-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-cell .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.user-cell .user-name {
  font-weight: 500;
}

.user-cell .user-id {
  font-size: 12px;
  color: var(--text-gray);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn:hover { opacity: 0.85; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-warning { background: var(--warning); color: #333; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-gray);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* 按钮组 */
.btn-group {
  display: flex;
  gap: 6px;
}

/* ============ 表单 ============ */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,92,123,0.1);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%236c757d' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.filter-bar .form-control {
  width: auto;
  min-width: 160px;
}

/* 搜索框 */
.search-input {
  position: relative;
}

.search-input input {
  padding-left: 36px;
}

.search-input .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-gray);
}

/* ============ 分页 ============ */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.pagination-info {
  font-size: 13px;
  color: var(--text-gray);
}

.pagination-btns {
  display: flex;
  gap: 4px;
}

.pagination-btns .page-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.pagination-btns .page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-btns .page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: var(--radius);
  width: 520px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,0.15);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-gray);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: #f0f0f0;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

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

@media (max-width: 768px) {
  .sidebar { width: 0; overflow: hidden; }
  .main-content { margin-left: 0; }
  .stats-row { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; }
}