CREATE TABLE IF NOT EXISTS clientes (
    id INT AUTO_INCREMENT PRIMARY KEY,
    nome VARCHAR(100) NOT NULL,
    cpf VARCHAR(14) UNIQUE,
    email VARCHAR(100),
    telefone VARCHAR(20),
    data_cadastro DATETIME DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS documentos (
    id INT AUTO_INCREMENT PRIMARY KEY,
    client_id INT NOT NULL,
    tipo VARCHAR(50) NOT NULL,
    arquivo VARCHAR(255) NOT NULL,
    data_upload DATETIME NOT NULL,
    FOREIGN KEY (client_id) REFERENCES clients(id) ON DELETE CASCADE,
    INDEX idx_client_id (client_id)
) ENGINE=InnoDB;