:root{
  --brand-900:#0F2744;--brand-800:#1B3A5C;--brand-700:#20497A;
  --brand-600:#1D5FA8;--brand-500:#2563EB;--brand-400:#60A5FA;
  --brand-100:#DBEAFE;--brand-50:#EFF6FF;
  --bg:#F3F5FA;--surface:#FFFFFF;--surface-2:#F8F9FD;--surface-3:#F0F3F9;
  --border:#DDE1EB;--border-light:#EEF0F6;--border-strong:#C4CAD9;
  --text-primary:#111827;--text-secondary:#374151;--text-tertiary:#6B7280;
  --text-muted:#9CA3AF;--text-on-dark:#FFFFFF;
  --critical:#B91C1C;--critical-bg:#FEF2F2;--critical-border:#FECACA;
  --high:#C05C00;--high-bg:#FFF7ED;--high-border:#FED7AA;
  --medium:#1565C0;--medium-bg:#EFF6FF;--medium-border:#BFDBFE;
  --low:#15803D;--low-bg:#F0FDF4;--low-border:#BBF7D0;
  --mh-color:#92400E;--mh-bg:#FFFDE7;
  --heat:#EA580C;--heat-bg:#FFF7ED;
  --cold:#2563EB;--cold-bg:#EFF6FF;
  --qlik-selected:#166534;--qlik-selected-bg:#DCFCE7;--qlik-selected-border:#86EFAC;
  --qlik-alternative:#E9EAED;--qlik-excluded:#9CA3AF;--qlik-excluded-bg:#F3F4F6;
  --observed:#1B3A5C;--current:#2563EB;--forecast:#7C3AED;--escalation:#D97706;
  --st-completata:#15803D;--st-completata-bg:#F0FDF4;
  --st-in-corso:#1565C0;--st-in-corso-bg:#EFF6FF;
  --st-approvata:#166534;--st-approvata-bg:#DCFCE7;
  --st-proposta:#92400E;--st-proposta-bg:#FFF7ED;
  --st-bloccata:#B91C1C;--st-bloccata-bg:#FEF2F2;
  --nav-bg:#1B3A5C;--nav-text:#A8BBCF;--nav-active:#FFFFFF;
  --nav-indicator:#60A5FA;--nav-hover-bg:#243E62;--nav-width:220px;
  --topbar-height:56px;
  --r-sm:3px;--r-md:5px;--r-lg:8px;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:0 2px 8px rgba(0,0,0,0.10);
  --shadow-lg:0 4px 16px rgba(0,0,0,0.12);
  --transition:150ms ease;
}