feat: enhance user interface with improved styling and responsiveness

- Updated UserAvatar component to accept additional className for better customization.
- Refined ProfilePage layout with responsive avatar styling.
- Enhanced Header component with improved background and text styles.
- Improved PopularTags and TopFriends components with better spacing and text shadows.
- Updated ThoughtCard and ThoughtThread components for better visual hierarchy and responsiveness.
- Enhanced UI components (Button, Badge, Card, DropdownMenu, Input, Popover, Separator, Skeleton, Textarea) with new styles and effects.
- Added a new background image for visual enhancement.

thoughts-frontend/components/ui/card.tsx

@@ -1,18 +1,18 @@
-import * as React from "react"
+import * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Card({ className, ...props }: React.ComponentProps<"div">) {
   return (
     <div
       data-slot="card"
       className={cn(
-        "bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm",
+        "relative rounded-xl border bg-card/70 backdrop-blur-lg shadow-fa-lg overflow-hidden glossy-effect bottom text-card-foreground flex flex-col gap-6 py-6",
         className
       )}
       {...props}
     />
-  )
+  );
 }
 
 function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
@@ -25,17 +25,20 @@ function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
       )}
       {...props}
     />
-  )
+  );
 }
 
 function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
   return (
     <div
       data-slot="card-title"
-      className={cn("leading-none font-semibold", className)}
+      className={cn(
+        "leading-none font-semibold tracking-tight text-shadow-md",
+        className
+      )}
       {...props}
     />
-  )
+  );
 }
 
 function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
@@ -45,7 +48,7 @@ function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("text-muted-foreground text-sm", className)}
       {...props}
     />
-  )
+  );
 }
 
 function CardAction({ className, ...props }: React.ComponentProps<"div">) {
@@ -58,7 +61,7 @@ function CardAction({ className, ...props }: React.ComponentProps<"div">) {
       )}
       {...props}
     />
-  )
+  );
 }
 
 function CardContent({ className, ...props }: React.ComponentProps<"div">) {
@@ -68,7 +71,7 @@ function CardContent({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("px-6", className)}
       {...props}
     />
-  )
+  );
 }
 
 function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
@@ -78,7 +81,7 @@ function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("flex items-center px-6 [.border-t]:pt-6", className)}
       {...props}
     />
-  )
+  );
 }
 
 export {
@@ -89,4 +92,4 @@ export {
   CardAction,
   CardDescription,
   CardContent,
-}
+};