:root{
  --arbs-text:            #0f172a;
  --arbs-bg-form:         #eef2ff;
  --arbs-border:          #c7d2fe;
  --arbs-card:            #ffffff;
  --arbs-input-border:    #94a3b8;
  --arbs-input-focus:     #4f46e5;
  --arbs-ring:            #e0e7ff;
  --arbs-muted:           #475569;
  --arbs-success:         #16a34a;
  --arbs-error:           #ef4444;
  --arbs-btn-shadow:      rgba(79,70,229,.28);
}
@media (prefers-color-scheme: dark){
  :root{
    --arbs-text:           #e5e7eb;
    --arbs-bg-form:        #0f1126;
    --arbs-border:         #232753;
    --arbs-card:           #12133a;
    --arbs-input-border:   #374151;
    --arbs-muted:          #94a3b8;
    --arbs-ring:           rgba(79,70,229,.35);
  }
}