docs(css): Update progress tracker for Phase 2 completion

- Update PROGRESS_TRACKER.md: 25% complete (2/7 phases)
- Mark Phase 2 as complete in phase-2-foundation.md
- Update current sprint status and achievements
- Next: Phase 3 - PrimeVue Centralizare

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

features/phases/phase-2-foundation.md

@@ -1,8 +1,8 @@
 # Phase 2: Fundație Pattern-uri Globale 🏗️
 
 **Priority:** Foundation pentru future phases
-**Duration:** 8-10 hours
-**Status:** ⏸️ Not Started
+**Duration:** 8-10 hours (Actual: 2 hours)
+**Status:** ✅ Complete
 **Risk Level:** Low (additive changes only)
 
 ---