style(frontend): refactor UI components with rounded corners, light theme, and design polish

services/frontend/src/shared/ui/button.tsx

@@ -11,19 +11,19 @@ type ButtonVariant =
 type ButtonSize = "default" | "sm" | "lg" | "icon";
 
 const variants: Record<ButtonVariant, string> = {
-  default: "bg-primary text-primary-foreground shadow hover:bg-primary/90",
-  secondary: "bg-secondary text-secondary-foreground hover:bg-secondary/80",
-  destructive:
-    "bg-destructive text-destructive-foreground hover:bg-destructive/90",
+  default:
+    "bg-primary text-primary-foreground shadow hover:bg-primary/90",
+  secondary: "bg-[#FFB7C5] text-[#1a1a2e] hover:bg-[#FFB7C5]/80",
+  destructive: "bg-[#FCA5A5] text-[#1a1a2e] hover:bg-[#FCA5A5]/80",
   outline:
-    "border border-border bg-background hover:bg-accent hover:text-accent-foreground",
-  ghost: "hover:bg-accent hover:text-accent-foreground",
+    "border border-border bg-white hover:bg-primary-soft",
+  ghost: "hover:bg-primary-soft",
 };
 
 const sizes: Record<ButtonSize, string> = {
   default: "h-10 px-4 py-2",
-  sm: "h-9 rounded-md px-3",
-  lg: "h-11 rounded-md px-8",
+  sm: "h-9 rounded-xl px-3",
+  lg: "h-11 rounded-xl px-8",
   icon: "h-10 w-10",
 };
 
@@ -45,7 +45,7 @@ export function Button({
   return (
     <Comp
       className={cn(
-        "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-lg text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50",
+        "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-xl text-sm font-medium transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring active:scale-[0.97] disabled:pointer-events-none disabled:opacity-50",
         variants[variant],
         sizes[size],
         className,