:root {
  /* Cores */
  --blue-900: #0a1f44;
  --blue-800: #0d2b5e;
  --blue-700: #1a3f80;
  --blue-600: #1e4fa0;
  --blue-500: #2563c8;
  --blue-400: #3b82e0;
  --blue-200: #bfdbfe;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --silver-900: #374151;
  --silver-700: #6b7280;
  --silver-400: #9ca3af;
  --silver-200: #e5e7eb;
  --silver-100: #f3f4f6;
  --silver-50:  #f9fafb;

  --white: #ffffff;
  --accent: #2563c8;

  --green-500: #22c55e;
  --green-100: #dcfce7;
  --green-700: #15803d;
  --red-500:   #ef4444;
  --red-100:   #fee2e2;
  --orange-500:#f97316;
  --yellow-500:#eab308;

  /* Bordas */
  --radius: 10px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.14);
}