Use this eligibility checker to see if your subject choices would enable you to apply to public German universities for direct admission (be aware that you will also need German proficiency): https://recognition.ibo.org/en-US/germany-subject-eligibility/
There are many private university options in Spain, but public is also an option for IB students with a full IB Diploma. You can find more information here: https://recognition.ibo.org/en-US/?flag=country&countryID=cc436145-efa1-ed11-aad1-000d3a85c377&country=Spain
Information on applying (you will apply through CAO, as EU status is based on tesidency, not nationality): https://www.unifrog.org/know-how/study-in-ireland-making-an-application
Information on applying with disabilities in Ireleand: https://www.ahead.ie/yourdisabilityoffice
General EU information on applying to universities with disabiltiies: https://eurydice.eacea.ec.europa.eu/eurypedia