docs(07.1-frontend-overhaul): update state and plan for Task 4

.planning/STATE.md

@@ -3,13 +3,13 @@
 ## Current Position
 - **Phase:** 07.1-frontend-overhaul
 - **Plan:** 07.1-frontend-overhaul-PLAN.md
-- **Task:** 2 (Completed)
+- **Task:** 4 (Completed)
 
 ## Progress
 - [x] Task 1: Update Tailwind Configuration
 - [x] Task 2: Implement Global Sharp Edges & Borders
-- [ ] Task 3: Component-Level Overhaul (Buttons & Inputs)
-- [ ] Task 4: StatCard & Data Table Refinement
+- [x] Task 3: Component-Level Overhaul (Buttons & Inputs)
+- [x] Task 4: StatCard & Data Table Refinement
 - [ ] Task 5: Layout & Viewport Adjustments
 - [ ] Task 6: Final Audit & Rule Alignment
 
@@ -17,6 +17,8 @@
 - Enforced `font-weight: 400 !important` and `text-transform: none !important` globally in `globals.css` to ensure strict compliance with `AI_RULES.md` (Industrial Precision aesthetic).
 - Set `border-radius: 0 !important` and `box-shadow: none !important` globally.
 - Used `Space Grotesk` from Google Fonts.
+- Refined StatCards and Data Tables with #121212 background and #222222 borders, sharp corners, and tight padding (8px-12px) for high information density.
+- Enforced Title Case for table headers to comply with "NO UPPERCASE" rule while maintaining "Industrial Precision" visual hierarchy.
 
 ## Blockers
 - None.

.planning/phases/07.1-frontend-overhaul/PLAN.md

@@ -85,7 +85,7 @@ autonomous: true
 
 ---
 
-## Task 4: StatCard & Data Table Refinement
+## Task 4: StatCard & Data Table Refinement [COMPLETED]
 
 **Read First:**
 - `DESIGN.md` (StatCards, Data Tables).