You are given a customer table from a Dell Technologies marketing database and need to extract customer records for outreach. Write a SQL query that returns each active customer's ID, full name, email, city, and signup date. Only include customers whose status is 'Active', and sort the results by signup_date from newest to oldest.
| Column | Type | Description |
|---|---|---|
| customer_idPK | INT | Unique customer identifier |
| full_name | VARCHAR(100) | Customer full name |
| VARCHAR(150) | Customer email address | |
| city | VARCHAR(80) | Customer city |
| status | VARCHAR(20) | Customer account status |
| signup_date | DATE | Date the customer signed up |