/* 全局样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif; font-size: 14px; color: #333; background: #f0f2f5; }
a { color: #1890ff; text-decoration: none; }
a:hover { color: #40a9ff; }

/* 登录页 */
.login-wrapper { display: flex; justify-content: center; align-items: center; min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.login-box { background: #fff; border-radius: 8px; padding: 40px; width: 400px; box-shadow: 0 8px 32px rgba(0,0,0,0.15); }
.login-box h2 { text-align: center; margin-bottom: 30px; color: #333; font-size: 22px; }
.login-box .form-group { margin-bottom: 20px; }
.login-box label { display: block; margin-bottom: 6px; color: #666; font-size: 14px; }
.login-box input[type="text"],
.login-box input[type="password"],
.login-box select { width: 100%; padding: 10px 12px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 14px; transition: border-color 0.3s; }
.login-box input:focus, .login-box select:focus { border-color: #1890ff; outline: none; box-shadow: 0 0 0 2px rgba(24,144,255,0.2); }
.login-box .btn-login { width: 100%; padding: 10px; background: #1890ff; color: #fff; border: none; border-radius: 4px; font-size: 16px; cursor: pointer; transition: background 0.3s; }
.login-box .btn-login:hover { background: #40a9ff; }
.login-box .error-msg { color: #ff4d4f; text-align: center; margin-bottom: 15px; font-size: 13px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: #001529; color: #fff; flex-shrink: 0; position: fixed; top: 0; left: 0; bottom: 0; overflow-y: auto; z-index: 100; }
.sidebar .logo { padding: 20px; text-align: center; font-size: 16px; font-weight: bold; border-bottom: 1px solid rgba(255,255,255,0.1); color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar .menu { list-style: none; padding: 10px 0; }
.sidebar .menu li { display: block; }
.sidebar .menu li a { display: block; padding: 12px 24px; color: rgba(255,255,255,0.65); transition: all 0.3s; font-size: 14px; }
.sidebar .menu li a:hover, .sidebar .menu li a.active { color: #fff; background: #1890ff; }
.sidebar .menu li a .icon { margin-right: 8px; }
.sidebar .user-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 15px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 12px; color: rgba(255,255,255,0.5); text-align: center; }
.sidebar .user-info a { color: rgba(255,255,255,0.65); }
.sidebar .user-info a:hover { color: #ff4d4f; }

.main-content { margin-left: 220px; flex: 1; padding: 20px; min-height: 100vh; }
.page-header { margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid #e8e8e8; }
.page-header h3 { font-size: 20px; color: #333; }

/* 卡片 */
.card { background: #fff; border-radius: 6px; padding: 20px; margin-bottom: 20px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #f0f0f0; }
.card-header h4 { font-size: 16px; color: #333; }

/* 统计卡片 */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { background: #fff; border-radius: 6px; padding: 20px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.stat-card .label { font-size: 13px; color: #999; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: bold; color: #333; }
.stat-card.blue .value { color: #1890ff; }
.stat-card.green .value { color: #52c41a; }
.stat-card.orange .value { color: #fa8c16; }
.stat-card.red .value { color: #ff4d4f; }

/* 表格 */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th, table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #f0f0f0; white-space: nowrap; }
table th { background: #fafafa; color: #666; font-weight: 600; }
table tr:hover { background: #f5f7fa; }
table .actions a, table .actions button { margin-right: 8px; font-size: 13px; }

/* 按钮 */
.btn { display: inline-block; padding: 6px 16px; border-radius: 4px; border: 1px solid #d9d9d9; background: #fff; color: #333; font-size: 13px; cursor: pointer; transition: all 0.3s; text-align: center; }
.btn:hover { border-color: #1890ff; color: #1890ff; }
.btn-primary { background: #1890ff; color: #fff; border-color: #1890ff; }
.btn-primary:hover { background: #40a9ff; border-color: #40a9ff; color: #fff; }
.btn-danger { background: #ff4d4f; color: #fff; border-color: #ff4d4f; }
.btn-danger:hover { background: #ff7875; border-color: #ff7875; color: #fff; }
.btn-success { background: #52c41a; color: #fff; border-color: #52c41a; }
.btn-success:hover { background: #73d13d; border-color: #73d13d; color: #fff; }
.btn-warning { background: #fa8c16; color: #fff; border-color: #fa8c16; }
.btn-warning:hover { background: #ffa940; border-color: #ffa940; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* 筛选/搜索条 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.filter-bar select, .filter-bar input[type="text"], .filter-bar input[type="date"], .filter-bar input[type="datetime-local"] { padding: 6px 10px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 13px; }
.filter-bar select:focus, .filter-bar input:focus { border-color: #1890ff; outline: none; }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 5px; margin-top: 20px; }
.pagination a, .pagination span { display: inline-block; padding: 6px 12px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 13px; color: #333; }
.pagination a:hover { border-color: #1890ff; color: #1890ff; }
.pagination .active { background: #1890ff; color: #fff; border-color: #1890ff; }
.pagination .disabled { color: #d9d9d9; pointer-events: none; }

/* 表单 */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 6px; color: #666; font-size: 13px; }
.form-group input[type="text"], .form-group input[type="password"], .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, .form-group textarea:focus { border-color: #1890ff; outline: none; box-shadow: 0 0 0 2px rgba(24,144,255,0.2); }
.form-inline { display: flex; gap: 10px; align-items: center; }

/* 模态框 */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.45); z-index: 1000; justify-content: center; align-items: center; }
.modal-overlay.show { display: flex; }
.modal { background: #fff; border-radius: 8px; padding: 24px; width: 500px; max-width: 90%; max-height: 80vh; overflow-y: auto; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.modal h3 { margin-bottom: 20px; font-size: 18px; color: #333; }
.modal .modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; padding-top: 15px; border-top: 1px solid #f0f0f0; }

/* 标签/徽章 */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.badge-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.badge-danger { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffa39e; }

/* 店铺标签 */
.shop-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.shop-tag { display: inline-flex; align-items: center; padding: 3px 10px; background: #f0f5ff; border: 1px solid #adc6ff; color: #2f54eb; border-radius: 4px; font-size: 12px; }
.shop-tag .remove-shop { margin-left: 6px; cursor: pointer; color: #999; font-size: 14px; }
.shop-tag .remove-shop:hover { color: #ff4d4f; }

/* 提示信息 */
.alert { padding: 10px 16px; border-radius: 4px; margin-bottom: 15px; font-size: 13px; }
.alert-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.alert-danger { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffa39e; }
.alert-info { background: #e6f7ff; color: #1890ff; border: 1px solid #91d5ff; }

/* 响应式 */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar .logo { font-size: 0; padding: 15px; }
    .sidebar .menu li a { padding: 12px; text-align: center; font-size: 0; }
    .sidebar .menu li a .icon { margin-right: 0; font-size: 18px; }
    .sidebar .user-info { font-size: 0; }
    .main-content { margin-left: 60px; }
    .stat-cards { grid-template-columns: 1fr 1fr; }
}