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

/* ===== 登录页 ===== */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.login-container { width: 100%; max-width: 400px; padding: 20px; }
.login-card { background: #fff; border-radius: 8px; padding: 40px 32px; box-shadow: 0 4px 24px rgba(0,0,0,0.15); }
.login-title { text-align: center; font-size: 22px; color: #1a1a2e; margin-bottom: 32px; }
.login-form .form-group { margin-bottom: 20px; }
.login-form label { display: block; margin-bottom: 6px; color: #555; font-size: 13px; }
.login-form .form-control { width: 100%; padding: 10px 12px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 14px; transition: border-color 0.2s; }
.login-form .form-control:focus { outline: none; border-color: #1890ff; box-shadow: 0 0 0 2px rgba(24,144,255,0.2); }
.btn-block { width: 100%; padding: 12px; font-size: 16px; cursor: pointer; margin-top: 8px; }

/* ===== 布局 ===== */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #001529; color: #fff; flex-shrink: 0; display: flex; flex-direction: column; }
.sidebar-header { padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-header h1 { font-size: 16px; font-weight: 600; color: #fff; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item { display: flex; align-items: center; padding: 10px 24px; color: rgba(255,255,255,0.65); font-size: 14px; transition: all 0.2s; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav-item.active { color: #fff; background: #1890ff; }
.nav-icon { margin-right: 10px; font-size: 12px; }
.nav-group { margin-top: 8px; }
.nav-group-title { padding: 8px 24px 4px; font-size: 12px; color: rgba(255,255,255,0.35); text-transform: uppercase; }
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* ===== 顶栏 ===== */
.topbar { background: #fff; padding: 0 24px; height: 56px; display: flex; align-items: center; justify-content: space-between; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.page-title { font-size: 16px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.admin-name { font-weight: 500; }
.admin-role { font-size: 12px; color: #999; background: #f5f5f5; padding: 2px 8px; border-radius: 3px; }

/* ===== 用户下拉菜单 ===== */
.user-dropdown { position: relative; }
.user-dropdown-toggle {
    display: flex; align-items: center; gap: 6px;
    background: none; border: none; cursor: pointer; padding: 6px 12px;
    border-radius: 4px; transition: background 0.2s;
}
.user-dropdown-toggle:hover { background: #f5f5f5; }
.dropdown-arrow { font-size: 10px; color: #999; transition: transform 0.2s; }
.user-dropdown.open .dropdown-arrow { transform: rotate(180deg); }
.user-dropdown-menu {
    display: none; position: absolute; top: 100%; right: 0;
    min-width: 160px; background: #fff; border: 1px solid #e8e8e8;
    border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-top: 4px; overflow: hidden; z-index: 100;
}
.user-dropdown.open .user-dropdown-menu { display: block; }
.dropdown-item {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 16px; font-size: 13px; color: #333;
    text-decoration: none; transition: background 0.15s;
}
.dropdown-item:hover { background: #f5f5f5; }
.dropdown-item-danger { color: #f5222d; }
.dropdown-item-danger:hover { background: #fff1f0; }
.dropdown-icon { font-size: 14px; }
.dropdown-divider { height: 1px; background: #f0f0f0; }

/* ===== 内容区 ===== */
.content { flex: 1; padding: 24px; overflow-y: auto; }

/* ===== 卡片 ===== */
.card { background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.card-header { padding: 16px 20px; border-bottom: 1px solid #f0f0f0; }
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }

/* ===== 统计卡片 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { background: #fff; border-radius: 6px; padding: 24px; display: flex; align-items: center; gap: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.stat-icon { width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; }
.stat-user { background: #e6f7ff; color: #1890ff; }
.stat-order { background: #f6ffed; color: #52c41a; }
.stat-member { background: #fff7e6; color: #fa8c16; }
.stat-revenue { background: #f9f0ff; color: #722ed1; }
.stat-value { font-size: 24px; font-weight: 700; color: #1a1a2e; }
.stat-label { font-size: 13px; color: #888; margin-top: 2px; }

/* ===== 快捷链接 ===== */
.quick-links { display: flex; gap: 16px; flex-wrap: wrap; }
.quick-link { padding: 12px 20px; background: #f5f5f5; border-radius: 6px; font-size: 14px; color: #333; transition: all 0.2s; }
.quick-link:hover { background: #e6f7ff; color: #1890ff; }

/* ===== 搜索表单 ===== */
.search-form .search-row { display: flex; flex-wrap: wrap; gap: 12px; }
.search-form .search-item { display: flex; flex-direction: column; gap: 4px; }
.search-form label { font-size: 12px; color: #666; }
.search-form .form-control { padding: 6px 10px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 13px; }
.search-form .form-control:focus { outline: none; border-color: #1890ff; }
.search-actions { align-self: flex-end; display: flex; gap: 8px; }

/* ===== 按钮 ===== */
.btn { display: inline-block; padding: 6px 16px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 13px; cursor: pointer; background: #fff; color: #333; transition: all 0.2s; }
.btn:hover { border-color: #40a9ff; color: #40a9ff; }
.btn-primary { background: #1890ff; border-color: #1890ff; color: #fff; }
.btn-primary:hover { background: #40a9ff; border-color: #40a9ff; color: #fff; }
.btn-default { color: #666; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ===== 表格 ===== */
.table { width: 100%; border-collapse: collapse; }
.table th { background: #fafafa; padding: 10px 12px; text-align: left; font-weight: 600; font-size: 13px; color: #555; border-bottom: 1px solid #e8e8e8; white-space: nowrap; }
.table td { padding: 10px 12px; border-bottom: 1px solid #f0f0f0; font-size: 13px; }
.table tbody tr:hover { background: #fafafa; }
.text-center { text-align: center; }

/* 详情表格 */
.table-detail th { padding: 8px 12px; text-align: right; font-weight: 600; color: #555; background: #fafafa; border-bottom: 1px solid #e8e8e8; }
.table-detail td { padding: 8px 12px; border-bottom: 1px solid #f0f0f0; }
.w-120 { width: 120px; }

/* ===== 徽章 ===== */
.badge { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 12px; }
.badge-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.badge-default { background: #fafafa; color: #888; border: 1px solid #d9d9d9; }
.badge-danger { background: #fff1f0; color: #f5222d; border: 1px solid #ffa39e; }

/* ===== 分页 ===== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 20px; }
.page-link { padding: 6px 12px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 13px; }
.page-link:hover { border-color: #1890ff; color: #1890ff; }
.page-info { font-size: 13px; color: #888; }

/* ===== 提示框 ===== */
.alert { padding: 10px 16px; border-radius: 4px; margin-bottom: 16px; font-size: 13px; }
.alert-error { background: #fff1f0; border: 1px solid #ffa39e; color: #f5222d; }
.alert-success { background: #f6ffed; border: 1px solid #b7eb8f; color: #52c41a; }
.alert-info { background: #e6f7ff; border: 1px solid #91d5ff; color: #1890ff; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group > label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 13px; color: #333; }
.form-control { width: 100%; padding: 8px 12px; border: 1px solid #d9d9d9; border-radius: 4px; font-size: 14px; transition: border-color 0.2s; }
.form-control:focus { outline: none; border-color: #1890ff; box-shadow: 0 0 0 2px rgba(24,144,255,0.2); }
select.form-control { appearance: auto; }
.form-actions { margin-top: 24px; display: flex; gap: 12px; }
.text-red { color: #f5222d; }
.text-muted { color: #999; }
.badge-info { background: #e6f7ff; color: #1890ff; border: 1px solid #91d5ff; }