Enhance: Premium UI overhaul for Create Relationship dialog

- Added sophisticated gradient title header with animated dividers
- Implemented unique color-coded gradients for each relationship type (11 unique colors)
- Enhanced buttons with larger size, rounded-2xl corners, and scale-110 hover
- Added shimmer animation effect for selected relationship types
- Implemented glowing box-shadows matching each relationship color
- Upgraded status badges with premium gradient backgrounds and borders
- Enhanced action buttons with backdrop-blur and overlay effects
- Improved header with gradient amber/orange theme and drop shadows
- Added pulsing dots for status indicators
- Increased icon sizes from h-5 to h-6 for better visibility
- Applied cubic-bezier easing for bouncy entrance animations
- All buttons now scale and elevate on hover for premium feel

Author: Patel230