/* 企业管理后台 — 布局与组件（兼顾 H5） */
:root {
    --admin-sidebar-w: 248px;
    --admin-header-h: 56px;
    --bg: #f0f2f5;
    --surface: #ffffff;
    --text: #1f2937;
    --text-secondary: #6b7280;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --primary: #1677ff;
    --primary-hover: #4096ff;
    --primary-soft: #e6f4ff;
    --sidebar-bg: #001529;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-active: #1677ff;
    --danger: #ff4d4f;
    --danger-hover: #ff7875;
    --success: #52c41a;
    --success-bg: #f6ffed;
    --warning: #faad14;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03), 0 1px 6px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
        'PingFang SC', 'Microsoft YaHei', sans-serif;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.admin-app {
    margin: 0;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5715;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    padding-bottom: var(--safe-bottom);
}

img { max-width: 100%; height: auto; }
a { color: var(--primary); }

/* —— 侧栏 —— */
.admin-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1090;
}
.admin-overlay.show { display: block; }

.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--admin-sidebar-w);
    background: var(--sidebar-bg);
    color: rgba(255, 255, 255, 0.88);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease;
    padding-top: var(--safe-top);
}
.admin-brand {
    height: var(--admin-header-h);
    display: flex;
    align-items: center;
    padding: 0 20px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}
.admin-brand span {
    opacity: 0.65;
    font-size: 12px;
    font-weight: 400;
    margin-left: 8px;
}
.admin-side-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0 16px;
    -webkit-overflow-scrolling: touch;
}
.admin-side-nav a,
.admin-side-nav .nav-group-trigger {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 14px;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}
.admin-side-nav a:hover,
.admin-side-nav .nav-group-trigger:hover {
    color: #fff;
    background: var(--sidebar-hover);
}
.admin-side-nav a.active {
    color: #fff;
    background: var(--sidebar-active);
    font-weight: 500;
}
.admin-nav-group { margin: 4px 0; }
.admin-nav-group .nav-group-trigger {
    justify-content: space-between;
}
.admin-nav-group .nav-group-trigger::after {
    content: '▾';
    font-size: 10px;
    opacity: 0.6;
    transition: transform 0.2s;
}
.admin-nav-group.open .nav-group-trigger::after { transform: rotate(180deg); }
.admin-nav-sub {
    display: none;
    padding: 4px 0 8px;
}
.admin-nav-group.open .admin-nav-sub { display: block; }
.admin-nav-sub a {
    padding: 8px 20px 8px 36px;
    font-size: 13px;
}
.admin-side-footer {
    padding: 12px 16px calc(12px + var(--safe-bottom));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    flex-shrink: 0;
}
.admin-side-footer .admin-name {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-bottom: 8px;
    word-break: break-all;
}
.admin-side-footer a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    display: inline-block;
    padding: 6px 0;
}
.admin-side-footer a:hover { color: #fff; }

/* —— 主区域 —— */
.admin-main {
    margin-left: var(--admin-sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.admin-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: calc(var(--admin-header-h) + var(--safe-top));
    padding-top: var(--safe-top);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 20px;
    padding-right: 20px;
    box-shadow: var(--shadow-sm);
}
.admin-header-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    font-size: 18px;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}
.admin-header-title { min-width: 0; flex: 1; }
.admin-header-title h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text);
}
.admin-breadcrumb {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}
.admin-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}
.admin-breadcrumb a:hover { color: var(--primary); }
.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.admin-header-actions .btn { padding: 6px 12px; font-size: 13px; }

.admin-content {
    flex: 1;
    padding: 20px;
}
.page-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 20px 24px;
}
.page-card + .page-card { margin-top: 16px; }
.page-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.page-toolbar .toolbar-title {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 页面标题已在顶栏 h1 展示，卡片内首个 h2 默认隐藏避免重复 */
.page-card > h2:first-child { display: none; }
.page-card > h2 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}
h3 {
    margin: 20px 0 12px;
    font-size: 15px;
    font-weight: 600;
}
p.muted, .text-muted {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 0 0 14px;
}

/* —— 表格 —— */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 0 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.table-wrap table { margin: 0; border: none; border-radius: 0; min-width: 560px; }
.table-wrap table.detail-table { min-width: 0; width: 100%; }
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    font-size: 13px;
}
th, td {
    padding: 12px 16px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-light);
    word-break: break-word;
}
th {
    background: #fafafa;
    color: var(--text);
    font-weight: 600;
    white-space: nowrap;
}
tbody tr:hover td { background: #fafafa; }
tbody tr:last-child td { border-bottom: none; }
table.detail-table th { width: 120px; color: var(--text-secondary); font-weight: 500; }

/* —— 按钮 —— */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 16px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius);
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); color: #fff; }
.btn-default {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}
.btn-default:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-soft);
}
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-group { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

/* —— 表单 —— */
.form-row { margin-bottom: 16px; }
.form-row label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 13px;
    color: var(--text);
}
.form-row input,
.form-row select,
.form-row textarea,
.admin-search-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    font-size: 14px;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus,
.admin-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.15);
}
.form-row input[type="checkbox"],
.form-row input[type="radio"] { width: auto; margin-right: 6px; }
.form-row .input-narrow, input.input-narrow { max-width: 160px; }
.form-row.inline-check label { display: flex; align-items: center; font-weight: 400; gap: 8px; }

.admin-toolbar {
    margin-bottom: 16px;
    padding: 16px;
    background: #fafafa;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
}
.admin-toolbar-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}
.admin-toolbar-row > .field-grow { flex: 1 1 180px; min-width: 0; }
.admin-toolbar-row > .field-actions { flex: 0 0 auto; }

/* —— 统计卡片 —— */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-card .label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.stat-card .value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.section-block { margin-top: 24px; }
.section-block > h3 {
    margin-top: 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
}

/* —— 提示 —— */
.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
    border: 1px solid;
    word-break: break-word;
}
.alert-info {
    background: var(--primary-soft);
    border-color: #91caff;
    color: #0958d9;
}
.alert-error {
    background: #fff2f0;
    border-color: #ffccc7;
    color: #cf1322;
}
.alert-success {
    background: var(--success-bg);
    border-color: #b7eb8f;
    color: #389e0d;
}

.text-right { text-align: right; }
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
    align-items: center;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}
.pagination {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}
.pagination-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.form-panel {
    margin-bottom: 20px;
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fafafa;
}
.map-box {
    height: 280px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    width: 100%;
}
pre.pre-wrap {
    white-space: pre-wrap;
    margin: 0;
    font-family: inherit;
    word-break: break-word;
}
form.form-inline { display: inline; margin: 0; }
.img-thumb {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    vertical-align: middle;
    border: 1px solid var(--border-light);
}
.img-avatar {
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
    background: var(--border-light);
}
.avatar-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--border-light);
    color: var(--text-secondary);
    font-size: 12px;
}
.avatar-fallback-lg {
    width: auto;
    height: auto;
    border-radius: var(--radius);
    padding: 8px 12px;
    font-size: 13px;
}

/* 用户选择器 */
.user-picker { position: relative; }
.user-picker-selected {
    margin-top: 8px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fafafa;
    font-size: 13px;
}
.user-picker-selected.empty { color: var(--text-secondary); }
.user-picker-list {
    list-style: none;
    margin: 6px 0 0;
    padding: 4px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    max-height: 260px;
    overflow-y: auto;
    box-shadow: var(--shadow);
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    z-index: 100;
}
.user-picker-list.open { display: block; }
.user-picker-list li {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}
.user-picker-list li:last-child { border-bottom: none; }
.user-picker-list li:hover,
.user-picker-list li.active { background: var(--primary-soft); }
.user-picker-list .sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.user-picker-clear {
    margin-top: 8px;
    font-size: 13px;
    color: var(--primary);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

/* —— 移动端 —— */
@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    }
    .admin-main { margin-left: 0; }
    .admin-header-toggle { display: flex; align-items: center; justify-content: center; }
    .admin-content { padding: 12px; }
    .page-card { padding: 16px; border-radius: var(--radius); }
    .admin-toolbar-row { flex-direction: column; align-items: stretch; }
    .admin-toolbar-row > .field-actions { width: 100%; }
    .admin-toolbar-row > .field-actions .btn { width: 100%; }
    .form-actions { flex-direction: column; align-items: stretch; }
    .form-actions .btn { width: 100%; }
    .pagination { flex-direction: column; align-items: stretch; }
    .pagination-actions { width: 100%; }
    .pagination-actions .btn { flex: 1; min-width: 0; }
    table.detail-table,
    table.detail-table tbody,
    table.detail-table tr,
    table.detail-table th,
    table.detail-table td {
        display: block;
        width: 100% !important;
    }
    table.detail-table tr {
        padding: 12px 16px;
        border-bottom: 1px solid var(--border-light);
    }
    table.detail-table th {
        background: transparent;
        padding: 0 0 4px;
        border: none;
        font-size: 12px;
    }
    table.detail-table td { padding: 0; border: none; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card .value { font-size: 22px; }
    .admin-header-actions { display: none; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    th, td { padding: 10px 12px; font-size: 12px; }
    .btn { padding: 8px 12px; }
    .form-row input,
    .form-row select,
    .form-row textarea,
    .admin-search-input { font-size: 16px; }
}