Feature: Improve Clear button hover/active states #150

Description

Improve the visual feedback for the "Clear" button on the leaderboard page.

Current Behavior

• Clear button has minimal hover effect
• No visual feedback when clicked/active

Proposed Enhancement

• Add green hover effect (consistent with theme color #50B78B)
• Add active/pressed state styling
• Smooth transition animation

Example

Why?

• Better visual feedback for users
• Consistent with existing theme colors
• Improves overall UX polish

Are you working on this issue?

• Yes