style(admin): simplify password reset button markup and remove border separator

src/features/admin/components/UserEditModal.client.js

@@ -262,7 +262,7 @@ const UserEditModal = ({ userId, currentUserId, isOpen, onClose, onSaved }) => {
                         )}
                     />
 
-                    <div className="border-t border-neutral-200 dark:border-neutral-800 pt-4 flex flex-col gap-2">
+                    <div className="flex flex-col gap-2">
                         <Input
                             label="Nouveau mot de passe (optionnel)"
                             type="password"
@@ -270,17 +270,15 @@ const UserEditModal = ({ userId, currentUserId, isOpen, onClose, onSaved }) => {
                             onChange={(value) => handleInputChange('newPassword', value)}
                             placeholder="Laisser vide pour ne pas modifier"
                         />
-                        <div>
                         <button
                             type="button"
                             onClick={handleSendPasswordReset}
                             disabled={sendingReset}
-                                className="text-xs text-neutral-500 hover:text-neutral-800 dark:hover:text-neutral-200 underline self-start transition-colors"
+                            className="cursor-pointer text-left text-xs text-neutral-500 hover:text-neutral-800 dark:hover:text-neutral-200 underline self-start transition-colors"
                         >
                             {sendingReset ? 'Envoi en cours…' : 'Envoyer un lien de réinitialisation par courriel'}
                         </button>
                     </div>
-                    </div>
 
                     {needsCurrentPassword && (
                         <Input