OMS Enterprise v2.0
Sprint 1 — Build 009 Phase 1C
Dark Gold CSS Override

Changed:
- Primary dark-theme accent changed from teal to dark gold.
- Sidebar text changed to white for readability.
- Sidebar labels/icons changed to restrained gold.
- Active navigation and slider dots changed to gold.
- Neutral badges now use muted gold.

Unchanged:
- Layout
- PHP files
- Database
- Light mode
