prepare("SELECT * FROM users WHERE email = ? AND is_admin = TRUE"); $stmt->execute([$email]); $user = $stmt->fetch(); if ($user && password_verify($password, $user['password'])) { $_SESSION['admin_logged_in'] = true; $_SESSION['admin_id'] = $user['id']; $_SESSION['admin_name'] = $user['full_name']; $_SESSION['admin_email'] = $user['email']; header("Location: index.php"); exit; } else { $error = 'Invalid administrative credentials.'; } } catch (Exception $e) { $error = 'System error: ' . $e->getMessage(); } } } ?>