CREATE TABLE IF NOT EXISTS services (
    id INT AUTO_INCREMENT PRIMARY KEY,
    provider_id INT NOT NULL,
    category_id INT NOT NULL,
    name VARCHAR(255) NOT NULL,
    description TEXT,
    price DECIMAL(10, 2) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (provider_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (category_id) REFERENCES service_categories(id)
);