Do not give up, as you probably know there are various levels of legal aid such as legal help and family mediation, if your daughter is not eligible for representation she may be eligible at another level, have you spoken to Community legal advice 0845 345 4345 or CAFCASS 9834 353 2321?
If your daughter represents herself she will probably feel more at ease with you beside her , perhaps acting as a Mckenzie friend, even if the court does not command your respect act as if it does, ask your daughter not to get excited, if possible, and to always be courteous and polite. It may help to attend court before your case to soak up the atmosphere.