fix: revert card to pre-update styles and fix login-hint whitespace

Reverts card.tsx to its previous styling (rounded-sm, border, py-4, gap-2,
font-semibold titles) as the new shadcn defaults don't fit the current design.

Also fixes a whitespace collapse bug in login-hint flex containers where
trailing {' '} was being stripped — replaced with gap-x-1.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: ntatoud

src/components/ui/card.tsx

@@ -2,17 +2,12 @@ import * as React from 'react';
 
 import { cn } from '@/lib/tailwind/utils';
 
-function Card({
-  className,
-  size = 'default',
-  ...props
-}: React.ComponentProps<'div'> & { size?: 'default' | 'sm' }) {
+function Card({ className, ...props }: React.ComponentProps<'div'>) {
   return (
     <div
       data-slot="card"
-      data-size={size}
       className={cn(
-        'group/card flex flex-col gap-6 overflow-hidden rounded-xl bg-card py-6 text-sm text-card-foreground shadow-xs ring-1 ring-foreground/10 has-[>img:first-child]:pt-0 data-[size=sm]:gap-4 data-[size=sm]:py-4 *:[img:first-child]:rounded-t-xl *:[img:last-child]:rounded-b-xl',
+        'flex flex-col gap-2 rounded-sm border bg-card py-4 text-card-foreground',
         className
       )}
       {...props}
@@ -25,7 +20,7 @@ function CardHeader({ className, ...props }: React.ComponentProps<'div'>) {
     <div
       data-slot="card-header"
       className={cn(
-        'group/card-header @container/card-header grid auto-rows-min items-start gap-1 rounded-t-xl px-6 group-data-[size=sm]/card:px-4 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-6 group-data-[size=sm]/card:[.border-b]:pb-4',
+        '@container/card-header grid auto-rows-min grid-rows-[auto_auto] items-start gap-1.5 px-4 has-data-[slot=card-action]:grid-cols-[1fr_auto] [.border-b]:pb-4',
         className
       )}
       {...props}
@@ -37,10 +32,7 @@ function CardTitle({ className, ...props }: React.ComponentProps<'div'>) {
   return (
     <div
       data-slot="card-title"
-      className={cn(
-        'text-base leading-normal font-medium group-data-[size=sm]/card:text-sm',
-        className
-      )}
+      className={cn('leading-none font-semibold', className)}
       {...props}
     />
   );
@@ -73,7 +65,7 @@ function CardContent({ className, ...props }: React.ComponentProps<'div'>) {
   return (
     <div
       data-slot="card-content"
-      className={cn('px-6 group-data-[size=sm]/card:px-4', className)}
+      className={cn('px-4', className)}
       {...props}
     />
   );
@@ -83,10 +75,7 @@ function CardFooter({ className, ...props }: React.ComponentProps<'div'>) {
   return (
     <div
       data-slot="card-footer"
-      className={cn(
-        'flex items-center rounded-b-xl px-6 group-data-[size=sm]/card:px-4 [.border-t]:pt-6 group-data-[size=sm]/card:[.border-t]:pt-4',
-        className
-      )}
+      className={cn('flex items-center px-4 [.border-t]:pt-4', className)}
       {...props}
     />
   );

src/features/devtools/login-hint.tsx

@@ -36,9 +36,9 @@ export const LoginEmailHint = () => {
         {envClient.VITE_IS_DEMO ? 'Demo mode' : 'Dev mode'}
       </AlertTitle>
       <AlertDescription className="flex flex-wrap gap-x-1 text-sm leading-4">
-        You can login with{' '}
+        You can login with
         <LoginEmailButton email="admin@admin.com" form={form} />
-        {' or '}
+        or
         <LoginEmailButton email="user@user.com" form={form} />
       </AlertDescription>
     </Alert>
@@ -58,8 +58,8 @@ export const LoginEmailOtpHint = () => {
       <AlertTitle>
         {envClient.VITE_IS_DEMO ? 'Demo mode' : 'Dev mode'}
       </AlertTitle>
-      <AlertDescription className="flex text-sm leading-4">
-        Use the code{' '}
+      <AlertDescription className="flex gap-x-1 text-sm leading-4">
+        Use the code
         <button
           type="button"
           className="cursor-pointer font-medium text-neutral-900 underline underline-offset-4 hover:no-underline dark:text-white"