:root {
  --rt-ink: #172033;
  --rt-muted: #697386;
  --rt-line: #dce2eb;
  --rt-surface: #ffffff;
  --rt-canvas: #f4f6f9;
  --rt-navy: #17345d;
  --rt-blue: #2d64c8;
  --rt-blue-soft: #eaf1ff;
  --rt-green: #23846b;
  --rt-amber: #a86616;
  --rt-red: #b34848;
  --rt-sidebar: 236px;
}

* { box-sizing: border-box; }
html { min-width: 320px; }
body {
  margin: 0;
  background: var(--rt-canvas);
  color: var(--rt-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}
a { text-decoration: none; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 30; background: #fff; padding: 8px 12px; }
.skip-link:focus { top: 12px; }
.admin-layout { display: grid; grid-template-columns: var(--rt-sidebar) minmax(0, 1fr); min-height: 100vh; }
.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #14233a;
  color: #fff;
  border-right: 1px solid rgba(255,255,255,.08);
}
.admin-brand { display: flex; align-items: center; gap: 10px; min-height: 68px; padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,.09); }
.admin-brand img { width: 34px; height: 34px; object-fit: contain; background: #fff; border-radius: 7px; }
.admin-brand strong { display: block; color: #fff; font-size: 16px; line-height: 1.2; }
.admin-brand span { display: block; margin-top: 3px; color: #91a2bb; font-size: 11px; }
.admin-nav { flex: 1; overflow-y: auto; padding: 12px 10px; }
.admin-nav-label { padding: 14px 10px 7px; color: #788ba7; font-size: 11px; font-weight: 700; }
.admin-nav .nav-link { display: flex; align-items: center; gap: 10px; min-height: 40px; margin: 2px 0; padding: 9px 11px; border-radius: 6px; color: #b8c5d7; font-weight: 600; transition: background .18s ease, color .18s ease; }
.admin-nav .nav-link i { width: 18px; text-align: center; font-size: 15px; }
.admin-nav .nav-link:hover { background: rgba(255,255,255,.07); color: #fff; }
.admin-nav .nav-link.active { background: #eef4ff; color: #1e4f9a; }
.admin-sidebar-foot { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.09); color: #8496b0; font-size: 11px; }
.admin-main { min-width: 0; }
.admin-topbar { position: sticky; top: 0; z-index: 10; min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 10px 24px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--rt-line); }
.admin-topbar-title { font-size: 13px; color: var(--rt-muted); }
.admin-user { display: flex; align-items: center; gap: 12px; }
.admin-user-meta { text-align: right; line-height: 1.3; }
.admin-user-meta strong { display: block; font-size: 13px; }
.admin-user-meta span { color: var(--rt-muted); font-size: 11px; }
.sidebar-toggle { display: none; }
.admin-content { width: min(1440px, 100%); margin: 0 auto; padding: 26px 28px 56px; }
.page-header { margin-bottom: 20px; }
.page-header h1, .page-header h4 { margin: 0; color: var(--rt-ink); font-size: 24px; font-weight: 720; line-height: 1.2; }
.page-header p { margin: 7px 0 0; color: var(--rt-muted); }
.card { border-color: var(--rt-line) !important; border-radius: 8px !important; box-shadow: 0 6px 18px rgba(29,48,78,.055) !important; }
.card-header { background: #fff; border-bottom-color: var(--rt-line); }
.btn { border-radius: 6px; font-weight: 600; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--rt-blue); border-color: var(--rt-blue); }
.btn-primary:hover { background: #2457b1; border-color: #2457b1; }
.form-control, .form-select { border-color: #ccd5e2; border-radius: 6px; min-height: 38px; }
.form-control:focus, .form-select:focus, .btn:focus-visible, .nav-link:focus-visible { border-color: #5f89d8; box-shadow: 0 0 0 3px rgba(45,100,200,.15); outline: none; }
.table { --bs-table-color: var(--rt-ink); margin-bottom: 0; }
.table thead th { background: #f7f9fc; color: #536174; border-bottom-width: 1px; font-size: 12px; white-space: nowrap; }
.table td { vertical-align: middle; border-color: #e7ebf1; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin-bottom: 16px; }
.metric { min-height: 112px; padding: 18px; background: #fff; border: 1px solid var(--rt-line); border-radius: 8px; }
.metric-head { display: flex; justify-content: space-between; gap: 12px; color: var(--rt-muted); font-size: 12px; }
.metric-head i { color: var(--rt-blue); }
.metric-value { margin-top: 15px; font-size: 29px; font-weight: 750; line-height: 1; font-variant-numeric: tabular-nums; }
.metric-note { margin-top: 8px; color: var(--rt-muted); font-size: 11px; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(320px,.75fr); gap: 14px; margin-top: 14px; }
.panel { background: #fff; border: 1px solid var(--rt-line); border-radius: 8px; box-shadow: 0 6px 18px rgba(29,48,78,.045); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 18px; border-bottom: 1px solid var(--rt-line); }
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 700; }
.panel-body { padding: 16px 18px; }
.bar-list { display: grid; gap: 12px; }
.bar-row { display: grid; grid-template-columns: 94px minmax(0,1fr) 38px; align-items: center; gap: 10px; font-size: 12px; }
.bar-track { height: 7px; overflow: hidden; background: #edf1f6; border-radius: 3px; }
.bar-fill { height: 100%; width: var(--bar-width, 0%); background: var(--rt-blue); border-radius: 3px; }
.risk-list { display: grid; gap: 8px; }
.risk-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 11px; background: #fafbfd; border: 1px solid #e6ebf2; border-radius: 6px; }
.risk-item strong { display: block; font-size: 13px; }
.risk-item span { color: var(--rt-muted); font-size: 11px; }
.badge { border-radius: 4px; font-weight: 650; }
.badge-soft-blue { background: var(--rt-blue-soft); color: #2458a9; }
.badge-soft-green { background: #e8f5f0; color: var(--rt-green); }
.badge-soft-amber { background: #fff2df; color: var(--rt-amber); }
.badge-soft-red { background: #fdecec; color: var(--rt-red); }
.section-stack { display: grid; gap: 14px; }
.summary-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 10px; }
.summary-item { padding: 14px; background: #f7f9fc; border-radius: 6px; }
.summary-item span { display: block; color: var(--rt-muted); font-size: 11px; }
.summary-item strong { display: block; margin-top: 7px; font-size: 21px; font-variant-numeric: tabular-nums; }
.empty-state { padding: 34px 20px; text-align: center; color: var(--rt-muted); }
.import-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; overflow: hidden; border: 1px solid var(--rt-line); border-radius: 8px; background: var(--rt-line); }
.import-step { padding: 13px; background: #fff; }
.import-step strong { display: block; font-size: 12px; }
.import-step span { display: block; margin-top: 4px; color: var(--rt-muted); font-size: 11px; }
.sensitive-cell { font-family: Consolas, "SFMono-Regular", monospace; font-size: 12px; }
.org-node { display: flex; align-items: center; gap: 10px; min-height: 48px; border-bottom: 1px solid #e8ecf2; }
.org-node:last-child { border-bottom: 0; }
.mobile-backdrop { display: none; }

@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .summary-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .admin-layout { display: block; }
  .admin-sidebar { position: fixed; left: 0; top: 0; z-index: 22; width: var(--rt-sidebar); transform: translateX(-100%); transition: transform .2s ease; }
  body.sidebar-open .admin-sidebar { transform: translateX(0); }
  .mobile-backdrop { position: fixed; inset: 0; z-index: 21; background: rgba(15,25,40,.38); }
  body.sidebar-open .mobile-backdrop { display: block; }
  .sidebar-toggle { display: inline-flex; }
  .admin-topbar { padding: 9px 14px; }
  .admin-content { padding: 20px 14px 42px; }
  .metric-grid, .summary-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .import-steps { grid-template-columns: 1fr 1fr; }
  .admin-user-meta { display: none; }
}
@media (max-width: 460px) {
  .metric-grid, .summary-grid, .import-steps { grid-template-columns: 1fr; }
  .page-header h1, .page-header h4 { font-size: 21px; }
}