UI: Remove logo icon from header + replace guest avatar with profile silhouette SVG - Header now shows just 'بيان' text (no ب icon) - Guest avatar shows person silhouette instead of 'ض' letter - Both HTML default and JS auth-ui.js updated

Fix: Google link failure now falls back to full sign-in instead of error toast

Fix: Guest login navigates to home/landing page instead of editor

authDone Ready for deployment

added light theme and ISLAMIC RAG and fixed the UI/UX issues and added the auth