Also note that there is nothing wrong with the urine colour. Dark yellow is concentrated urine

From what've explained it's most likely she has urinary tract infection.
Kindly take her to see a doctor for proper evaluation including urine lab tests to confirm the infection and appropriate antibiotics treatments.
And if it has also been a long-standing complaint, you need to see a paediatrician who may refer to a paediatric nephrologist to rule out abnormalities in the urinary tract.

Ok ma, if that's the case