noteflow/public/login.html

<!DOCTYPE html>
<html lang="fr">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Connexion - NoteFlow</title>

    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            color: #1F2937;
        }

        .login-container {
            background: white;
            padding: 48px;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 400px;
            animation: slideIn 0.4s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-logo {
            text-align: center;
            margin-bottom: 32px;
        }

        .login-logo h1 {
            font-size: 32px;
            font-weight: bold;
            color: #667eea;
        }

        .login-logo p {
            color: #6B7280;
            margin-top: 8px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #374151;
        }

        .form-group input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #E5E7EB;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.2s;
        }

        .form-group input:focus {
            outline: none;
            border-color: #667eea;
        }

        .error-message {
            background: #FEE2E2;
            color: #991B1B;
            padding: 12px 16px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        .login-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
        }

        .login-btn:active {
            transform: translateY(0);
        }

        .login-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .default-credentials {
            margin-top: 24px;
            padding: 16px;
            background: #F3F4F6;
            border-radius: 8px;
            font-size: 14px;
            color: #6B7280;
        }

        .default-credentials strong {
            color: #374151;
        }
    </style>
</head>
<body>
    <div class="login-container">
        <div class="login-logo">
            <h1>📝 NoteFlow</h1>
            <p>Gérez vos notes et tâches efficacement</p>
        </div>

        <div id="errorMessage" class="error-message"></div>

        <form id="loginForm">
            <div class="form-group">
                <label for="username">Nom d'utilisateur</label>
                <input type="text" id="username" name="username" required autocomplete="username">
            </div>

            <div class="form-group">
                <label for="password">Mot de passe</label>
                <input type="password" id="password" name="password" required autocomplete="current-password">
            </div>

            <button type="submit" class="login-btn" id="loginBtn">Se connecter</button>
        </form>

        <div class="default-credentials">
            <strong>Identifiants par défaut:</strong><br>
            Username: admin<br>
            Password: admin
        </div>
    </div>

    <script>
        // Rediriger si déjà connecté
        const token = localStorage.getItem('token');
        if (token) {
            window.location.href = '/';
        }

        const loginForm = document.getElementById('loginForm');
        const errorMessage = document.getElementById('errorMessage');
        const loginBtn = document.getElementById('loginBtn');

        loginForm.addEventListener('submit', async (e) => {
            e.preventDefault();

            const username = document.getElementById('username').value;
            const password = document.getElementById('password').value;

            errorMessage.classList.remove('show');
            loginBtn.disabled = true;
            loginBtn.textContent = 'Connexion...';

            try {
                const response = await fetch('/api/auth/login', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify({ username, password })
                });

                const data = await response.json();

                if (response.ok) {
                    localStorage.setItem('token', data.token);
                    localStorage.setItem('user', JSON.stringify(data.user));
                    window.location.href = '/';
                } else {
                    errorMessage.textContent = data.error || 'Identifiants invalides';
                    errorMessage.classList.add('show');
                }
            } catch (error) {
                errorMessage.textContent = 'Erreur de connexion au serveur';
                errorMessage.classList.add('show');
            } finally {
                loginBtn.disabled = false;
                loginBtn.textContent = 'Se connecter';
            }
        });
    </script>
</body>
</html>