ui:improved ui of homepage

src/lib/components/ProfileIcon.svelte

@@ -0,0 +1,59 @@
+<script lang="ts">
+	interface Props {
+		username: string;
+		onclick?: () => void;
+	}
+
+	let { username, onclick }: Props = $props();
+
+	// Get the first letter of username for avatar
+	const initial = username.charAt(0).toUpperCase();
+</script>
+
+<button class="profile-icon" {onclick} type="button">
+	<div class="avatar">
+		{initial}
+	</div>
+</button>
+
+<style>
+	.profile-icon {
+		background: none;
+		border: none;
+		padding: 0;
+		cursor: pointer;
+		border-radius: 50%;
+		transition: transform 0.2s ease;
+	}
+
+	.profile-icon:hover {
+		transform: scale(1.05);
+	}
+
+	.profile-icon:active {
+		transform: scale(0.95);
+	}
+
+	.avatar {
+		width: 40px;
+		height: 40px;
+		border-radius: 50%;
+		background: black;
+		color: white;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		font-weight: 600;
+		font-size: 16px;
+		border: 2px solid #fff;
+		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+	}
+
+	@media (max-width: 480px) {
+		.avatar {
+			width: 36px;
+			height: 36px;
+			font-size: 14px;
+		}
+	}
+</style>