Transform SankhyaAI frontend into a production-ready platform with premium metallic UI components, full responsive design, and professional dark theme.

Changes

New Metal Button Component

• Created metal-button.tsx with 5 variants (default/silver, gold, bronze, steel, chrome)
• Realistic 3D shadows, gradients, and hover states using Tailwind utilities
• Built on Radix UI Slot for composability

import { MetalButton } from "@/components/ui/metal-button";

<MetalButton variant="gold" size="lg">
  Send to Sankhya
</MetalButton>

Responsive UI Overhaul

• All pages now mobile-first with breakpoints (sm/md/lg/xl)
• Responsive typography, spacing, and grid layouts
• Touch-friendly button sizing on mobile devices
• Conversation list: h-[400px] md:h-[520px]
• Admin metrics: grid-cols-2 md:grid-cols-4

Dark Theme Implementation

• Metallic dark color scheme in globals.css
• Glass-morphism cards with backdrop blur
• Multi-layered radial gradients for depth
• Custom scrollbar styling with primary color accents

Navigation & Layout

• Sticky header with route-aware active states
• Logo and navigation links responsive to viewport
• Integrated into root layout

Missing Infrastructure

• Created lib/ directory with API client, SSE handler, and utilities
• Updated .gitignore to allow frontend/lib/ while excluding backend/lib/
• Added @radix-ui/react-slot dependency

Updated Files

• app/page.tsx, app/admin/page.tsx - Applied metal buttons and responsive classes
• app/layout.tsx - Added navigation component
• app/globals.css - Dark theme with HSL variables
• components/navigation.tsx - New sticky header
• components/ui/metal-button.tsx - New component
• lib/api.ts, lib/sse.ts, lib/utils.ts - Core utilities

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