fix: update component styles for consistency and improved layout

frontend/src/components/ui/Select.tsx

@@ -83,7 +83,7 @@ const SelectContent = React.forwardRef<
     <SelectPrimitive.Content
       ref={ref}
       className={cn(
-        'relative z-[70] max-h-96 min-w-[8rem] overflow-hidden pointer-events-auto',
+        'relative z-70 max-h-96 min-w-32 overflow-hidden pointer-events-auto',
         'rounded-lg border border-border',
         'bg-surface-elevated text-content-primary shadow-lg',
         'data-[state=open]:animate-in data-[state=closed]:animate-out',
@@ -105,7 +105,7 @@ const SelectContent = React.forwardRef<
         className={cn(
           'p-1',
           position === 'popper' &&
-            'h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]'
+            'h-(--radix-select-trigger-height) w-full min-w-(--radix-select-trigger-width)'
         )}
       >
         {children}
@@ -139,7 +139,7 @@ const SelectItem = React.forwardRef<
       'rounded-md py-2 pl-8 pr-2 text-sm',
       'outline-none',
       'focus:bg-surface-muted focus:text-content-primary',
-      'data-[disabled]:pointer-events-none data-[disabled]:opacity-50',
+      'data-disabled:pointer-events-none data-disabled:opacity-50',
       className
     )}
     {...props}

frontend/src/components/ui/Switch.tsx

@@ -34,7 +34,7 @@ const Switch = React.forwardRef<HTMLInputElement, SwitchProps>(
             'bg-surface-muted',
             'peer-focus-visible:outline-none peer-focus-visible:ring-2 peer-focus-visible:ring-brand-500 peer-focus-visible:ring-offset-2 peer-focus-visible:ring-offset-surface-base',
             'peer-checked:bg-brand-500',
-            "after:content-[''] after:absolute after:top-[2px] after:start-[2px]",
+            "after:content-[''] after:absolute after:top-0.5 after:start-[2px]",
             'after:bg-white after:border after:border-border after:rounded-full',
             'after:h-5 after:w-5 after:transition-all after:duration-fast',
             'peer-checked:after:translate-x-full peer-checked:after:border-white',