:root{
  --bg:#f3f6fb;
  --card:#ffffff;
  --text:#102a43;
  --muted:#6b7c93;
  --primary:#172c53;
  --primary-2:#25467f;
  --border:#e5edf7;
  --success:#198754;
  --warning:#f59f00;
  --danger:#dc3545;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{text-decoration:none}
.app-shell{display:flex;min-height:100vh}
.sidebar{
  width:280px;background:linear-gradient(180deg,var(--primary),#10213d);
  color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh
}
.brand-wrap{display:flex;align-items:center;gap:14px;padding:10px 10px 0}
.brand-badge{width:42px;height:42px;border-radius:14px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-weight:700}
.brand-name{font-size:1.25rem;font-weight:700}
.brand-sub{font-size:.82rem;opacity:.8}
.side-nav .nav-link{color:rgba(255,255,255,.82);border-radius:14px;padding:12px 14px;display:flex;align-items:center;gap:10px;font-weight:600}
.side-nav .nav-link:hover,.side-nav .nav-link.active{background:rgba(255,255,255,.12);color:#fff}
.sidebar-footer{margin-top:auto;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);padding:14px;border-radius:16px}
.tiny-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;opacity:.7;margin-bottom:4px}
.main-content{flex:1;padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}
.page-title{font-weight:800;font-size:2rem}
.topbar-actions{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:10px 14px}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--success);display:inline-block}
.content-wrap{display:flex;flex-direction:column;gap:18px}
.stat-card,.panel-card{background:var(--card);border:1px solid var(--border);border-radius:24px;box-shadow:0 12px 30px rgba(19,36,74,.05)}
.stat-card{padding:22px}
.stat-label{color:var(--muted);font-weight:600;font-size:.92rem}
.stat-value{font-size:2rem;font-weight:800;margin-top:6px}
.trend-up{color:var(--success)} .trend-down{color:var(--danger)}
.panel-card{padding:22px}
.panel-title{font-size:1.15rem;font-weight:800;margin-bottom:14px}
.panel-subtitle{color:var(--muted);font-size:.92rem;margin-bottom:12px}
.brand-card{height:100%}
.brand-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:#eef4ff;color:var(--primary);font-weight:700;font-size:.85rem}
.table-modern thead th{font-size:.82rem;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--border)}
.table-modern tbody tr td{padding:14px 8px;border-color:var(--border)}
.form-control,.form-select{border-radius:14px;border:1px solid #d7e2f0;padding:.8rem .95rem}
.btn-primary{background:var(--primary);border-color:var(--primary);border-radius:14px;padding:.8rem 1rem;font-weight:700}
.btn-outline-primary{border-radius:14px;font-weight:700}
.badge-soft{background:#eef4ff;color:var(--primary);border-radius:999px;padding:8px 10px;font-weight:700}
.recommendation-card{border-left:5px solid var(--primary)}
.alert-soft{border-radius:16px;border:none}
.health-good{color:var(--success);font-weight:700}
.health-warn{color:var(--warning);font-weight:700}
.health-bad{color:var(--danger);font-weight:700}
.empty-state{padding:30px;border:1px dashed #cbd8ea;border-radius:20px;background:#fafcff;color:var(--muted);text-align:center}
@media (max-width: 992px){
  .app-shell{flex-direction:column}
  .sidebar{width:100%;height:auto;position:relative}
  .main-content{padding:16px}
  .topbar{flex-direction:column}
}