Generate Professional Code with AI

// AI Generated: Modern Login System
class AuthManager {
    constructor() {
        this.isAuthenticated = false;
        this.user = null;
    }
    
    async login(email, password) {
        try {
            const response = await fetch('/api/login', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({ email, password })
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.isAuthenticated = true;
                this.user = data.user;
                localStorage.setItem('token', data.token);
                return { success: true, user: data.user };
            }
            
            return { success: false, error: data.message };
        } catch (error) {
            return { success: false, error: 'Network error' };
        }
    }
}