/* === 后台 · 运营指挥塔 === */
.admin { display: flex; min-height: 100vh; background: #f3f5f9; }
.admin-sidebar {
  width: 232px; background: linear-gradient(180deg, #121a2c, #0d1424);
  color: #fff; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; flex-shrink: 0;
}
.admin-brand { display: flex; align-items: center; gap: 12px; padding: 22px 18px; }
.admin-logo {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, #1a3a5c, #d4a847);
  display: grid; place-items: center; font-weight: 900; font-size: 18px;
}
.admin-brand-name { font-size: 16px; font-weight: 700; }
.admin-brand-sub { font-size: 11px; color: #8b96a8; }
.admin-nav { display: flex; flex-direction: column; gap: 4px; padding: 12px; }
.admin-nav-item { padding: 12px 14px; border-radius: 9px; color: #b6c0d0; font-size: 14px; transition: all .15s; }
.admin-nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-nav-item.active { background: rgba(212,168,71,.16); color: #e8c573; font-weight: 600; }
.admin-sidebar-foot { margin-top: auto; padding: 16px 18px; border-top: 1px solid rgba(255,255,255,.08); }
.admin-back { color: #8b96a8; font-size: 13px; }
.admin-back:hover { color: #e8c573; }
.admin-main { flex: 1; min-width: 0; padding: 28px 32px; }
.admin-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 22px; }
.admin-head h1 { font-size: 22px; font-weight: 800; color: #1a3a5c; }
.admin-head .sub { font-size: 13px; color: #8b96a8; margin-top: 4px; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card { background: #fff; border: 1px solid #e6eaf1; border-radius: 14px; padding: 18px; }
.kpi-label { font-size: 12.5px; color: #8b96a8; }
.kpi-value { font-size: 26px; font-weight: 800; color: #1a3a5c; margin-top: 6px; }
.kpi-delta { font-size: 12px; margin-top: 5px; }
.up { color: #1e9e5a; } .down { color: #d4444f; } .flat { color: #8b96a8; }
.two-col { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; }
.panel-title { font-size: 15px; font-weight: 700; color: #1a3a5c; margin-bottom: 14px; }
.bars { display: flex; flex-direction: column; gap: 9px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 52px; align-items: center; gap: 10px; }
.bar-name { font-size: 12.5px; color: #8b96a8; text-align: right; }
.bar-track { height: 12px; background: #eef1f6; border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, #1a3a5c, #d4a847); border-radius: 6px; }
.bar-val { font-size: 12.5px; font-variant-numeric: tabular-nums; }
.todo-list { display: flex; flex-direction: column; gap: 10px; }
.todo-item { display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid #e6eaf1; border-radius: 10px; background: #fff; }
.todo-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot-amber { background: #f5b544; } .dot-red { background: #f4687b; } .dot-blue { background: #4aa8ff; }
.todo-text { font-size: 13px; color: #33405a; }
.table-wrap { background: #fff; border: 1px solid #e6eaf1; border-radius: 14px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid #eef1f6; font-size: 13px; }
th { background: #f7f9fc; color: #8b96a8; font-weight: 600; font-size: 12px; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfd; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-green { background: #e6f7ef; color: #1e9e5a; }
.b-red { background: #fdecee; color: #d4444f; }
.b-amber { background: #fdf3e0; color: #b9791a; }
.b-blue { background: #e8f1fd; color: #1a3a5c; }
.section-gap { margin-top: 24px; }
.platform-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
@media (max-width: 900px) {
  .admin { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; overflow-x: auto; }
  .admin-nav { flex-direction: row; }
  .two-col { grid-template-columns: 1fr; }
}