feat(css): Phase 2 - Add global pattern foundation

- Create interactive.css (loading spinners, trends, collapse patterns)
- Create dashboard.css (page headers, metrics grid, breakdowns)
- Create animations.css (slideDown, fadeIn, pulse transitions)
- Create tokens.css (extended design tokens for cards/animations/metrics)
- Create primevue-overrides.css (centralized PrimeVue component styling)
- Update main.css with new pattern imports
- Zero visual changes (additive foundation only)

Files created: 5 new CSS pattern files
Lines added: 431 lines of reusable patterns
CSS bundle: 401.25 kB (before optimization)
Build status: ✅ Successful

Phase: 2/7 complete
Next: Phase 3 - PrimeVue Centralizare

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

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

features/phases/phase-1-forms.md

@@ -1,8 +1,8 @@
 # Phase 1: Standardizare Formulare ⚡
 
 **Priority:** 🔥 High (User-facing impact)
-**Duration:** 10-12 hours
-**Status:** ⏸️ Not Started
+**Duration:** 10-12 hours (Actual: 2 hours)
+**Status:** ✅ Complete
 **Risk Level:** Medium
 
 ---