Turkish politics Voter behavior Political uncertainty Opposition crisis Government–opposition balance Presidential elections Erdoğan–İmamoğlu scenario Candidacy restrictions Legal uncertainty Undecided voters Mainstream political parties Nationalism Migration politics Economic dissatisfaction Alliance politics Mansur Yavaş Ekrem İmamoğlu Recep Tayyip Erdoğan CHP MHP Socio-economic polarization Middle-class discontent Youth voters Political legitimacy Crisis of representation Erosion of trust Political participation Leadership perception Public opinion polls Election scenarios Political mobilization AKP AK Parti DEM DEM Parti Zafer Partisi Yeniden Refah Partisi Anahtar Parti İyi Parti Barometre Recep Tayip Erdoğan Erdoğan Selahattin Demirtaş Devlet Bahçeli Erdoğan's scorecard