"Refactor template files for better consistency (feat)"
This commit is contained in:
@@ -440,4 +440,583 @@
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</div>
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</div>
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</div>
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{% endblock %}
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{% block scripts %}
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<script>
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let loginAttempts = parseInt(localStorage.getItem('loginAttempts') || '0');
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let lastAttemptTime = parseInt(localStorage.getItem('lastAttemptTime') || '0');
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let isFormLocked = false;
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const MAX_ATTEMPTS = 5;
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const LOCKOUT_DURATION = 15 * 60 * 1000; // 15 minutes
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document.addEventListener('DOMContentLoaded', function() {
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initializeLoginForm();
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checkRateLimit();
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setupFormValidation();
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setupPasswordFeatures();
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setupKeyboardShortcuts();
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setupAccessibility();
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});
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function initializeLoginForm() {
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const form = document.getElementById('loginForm');
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const submitBtn = document.getElementById('submitBtn');
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const submitText = document.getElementById('submitText');
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const loadingSpinner = document.getElementById('loadingSpinner');
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const emailInput = document.getElementById('email');
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const passwordInput = document.getElementById('password');
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// Enhanced form submission handling
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if (form) {
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form.addEventListener('submit', async function(e) {
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e.preventDefault();
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if (isFormLocked) {
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showAdvancedMessage('Zu viele Anmeldeversuche. Bitte warten Sie.', 'error');
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return;
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}
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// Validate form before submission
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if (!validateLoginForm()) {
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return;
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}
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await handleLoginSubmission();
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});
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}
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// Auto-focus first empty field
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if (emailInput && !emailInput.value) {
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emailInput.focus();
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} else if (passwordInput && !passwordInput.value) {
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passwordInput.focus();
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}
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// Enhanced tab navigation
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setupTabNavigation();
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}
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function checkRateLimit() {
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const now = Date.now();
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const timeSinceLastAttempt = now - lastAttemptTime;
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if (loginAttempts >= MAX_ATTEMPTS && timeSinceLastAttempt < LOCKOUT_DURATION) {
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const remainingTime = LOCKOUT_DURATION - timeSinceLastAttempt;
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showRateLimitWarning(remainingTime);
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lockForm(remainingTime);
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} else if (timeSinceLastAttempt >= LOCKOUT_DURATION) {
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// Reset attempts after lockout period
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loginAttempts = 0;
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localStorage.setItem('loginAttempts', '0');
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}
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// Show warning at 3 attempts
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if (loginAttempts >= 3 && loginAttempts < MAX_ATTEMPTS) {
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document.getElementById('rate-limit-warning').classList.remove('hidden');
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}
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}
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function setupFormValidation() {
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const emailInput = document.getElementById('email');
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const passwordInput = document.getElementById('password');
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if (emailInput) {
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emailInput.addEventListener('blur', function() {
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validateEmail();
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});
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emailInput.addEventListener('input', function() {
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clearError(emailInput);
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if (this.value.trim()) {
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const isValid = isValidEmail(this.value.trim());
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if (isValid) {
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this.classList.add('input-success');
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this.classList.remove('input-error');
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} else {
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this.classList.add('input-error');
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this.classList.remove('input-success');
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}
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} else {
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this.classList.remove('input-error', 'input-success');
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}
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});
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}
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if (passwordInput) {
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passwordInput.addEventListener('input', function() {
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clearError(passwordInput);
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updatePasswordStrength(this.value);
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});
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passwordInput.addEventListener('focus', function() {
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document.getElementById('password-strength').classList.remove('hidden');
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});
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}
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}
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function setupPasswordFeatures() {
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const togglePassword = document.getElementById('togglePassword');
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const passwordInput = document.getElementById('password');
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const eyeOpen = document.getElementById('eyeOpen');
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const eyeClosed = document.getElementById('eyeClosed');
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if (togglePassword && passwordInput) {
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togglePassword.addEventListener('click', function() {
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const isPassword = passwordInput.type === 'password';
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passwordInput.type = isPassword ? 'text' : 'password';
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eyeOpen.classList.toggle('hidden', isPassword);
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eyeClosed.classList.toggle('hidden', !isPassword);
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// Accessibility
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this.setAttribute('aria-label', isPassword ? 'Passwort verbergen' : 'Passwort anzeigen');
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// Keep focus on password input
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passwordInput.focus();
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// Move cursor to end
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setTimeout(() => {
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const len = passwordInput.value.length;
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passwordInput.setSelectionRange(len, len);
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}, 10);
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});
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}
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}
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function setupKeyboardShortcuts() {
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document.addEventListener('keypress', function(e) {
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// Enter key submits form
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if (e.key === 'Enter' && e.target.form === document.getElementById('loginForm')) {
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e.preventDefault();
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document.getElementById('loginForm').dispatchEvent(new Event('submit'));
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}
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});
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// Escape key clears form
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document.addEventListener('keydown', function(e) {
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if (e.key === 'Escape') {
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clearForm();
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}
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});
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}
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function setupAccessibility() {
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// ARIA labels and descriptions
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const form = document.getElementById('loginForm');
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if (form) {
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form.setAttribute('aria-describedby', 'login-description');
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}
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// Screen reader announcements
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const srContainer = document.createElement('div');
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srContainer.setAttribute('aria-live', 'polite');
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srContainer.setAttribute('aria-atomic', 'true');
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srContainer.className = 'sr-only';
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srContainer.id = 'sr-announcements';
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document.body.appendChild(srContainer);
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}
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function validateLoginForm() {
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const emailValid = validateEmail();
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const passwordValid = validatePassword();
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return emailValid && passwordValid;
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}
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function validateEmail() {
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const emailInput = document.getElementById('email');
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const email = emailInput.value.trim();
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if (!email) {
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showError(emailInput, 'E-Mail-Adresse ist erforderlich');
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return false;
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}
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if (!isValidEmail(email)) {
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showError(emailInput, 'Bitte geben Sie eine gültige E-Mail-Adresse ein');
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return false;
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}
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// Check for corporate domain (optional)
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if (email && !email.includes('@mercedes-benz.com') && !email.includes('@daimler.com')) {
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showWarning(emailInput, 'Hinweis: Externe E-Mail-Adresse erkannt');
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}
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clearError(emailInput);
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emailInput.classList.add('input-success');
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return true;
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}
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function validatePassword() {
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const passwordInput = document.getElementById('password');
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const password = passwordInput.value;
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if (!password) {
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showError(passwordInput, 'Passwort ist erforderlich');
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return false;
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}
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if (password.length < 6) {
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showError(passwordInput, 'Passwort muss mindestens 6 Zeichen lang sein');
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return false;
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}
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clearError(passwordInput);
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passwordInput.classList.add('input-success');
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return true;
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}
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function updatePasswordStrength(password) {
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const strengthBar = document.getElementById('strength-bar');
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const strengthText = document.getElementById('strength-text');
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if (!password) {
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strengthBar.style.width = '0%';
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strengthText.textContent = '';
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return;
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}
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let score = 0;
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let feedback = '';
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// Length check
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if (password.length >= 8) score += 20;
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if (password.length >= 12) score += 10;
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// Character variety
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if (/[a-z]/.test(password)) score += 20;
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if (/[A-Z]/.test(password)) score += 20;
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if (/\d/.test(password)) score += 20;
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if (/[^A-Za-z0-9]/.test(password)) score += 20;
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// Determine strength level
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if (score < 40) {
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strengthBar.className = 'h-1 rounded-full transition-all duration-300 bg-red-500';
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feedback = 'Schwach';
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} else if (score < 70) {
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strengthBar.className = 'h-1 rounded-full transition-all duration-300 bg-yellow-500';
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feedback = 'Mittel';
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} else if (score < 90) {
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strengthBar.className = 'h-1 rounded-full transition-all duration-300 bg-blue-500';
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feedback = 'Gut';
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} else {
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strengthBar.className = 'h-1 rounded-full transition-all duration-300 bg-green-500';
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feedback = 'Sehr stark';
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}
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strengthBar.style.width = `${Math.min(score, 100)}%`;
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strengthText.textContent = feedback;
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}
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async function handleLoginSubmission() {
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const form = document.getElementById('loginForm');
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const submitBtn = document.getElementById('submitBtn');
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const submitText = document.getElementById('submitText');
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const loadingSpinner = document.getElementById('loadingSpinner');
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// Show loading state
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submitBtn.disabled = true;
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loadingSpinner.classList.remove('hidden');
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submitText.textContent = 'Wird angemeldet...';
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try {
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// Add CSRF token if available
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const formData = new FormData(form);
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// Enhanced submission with proper headers
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const response = await fetch(form.action, {
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method: 'POST',
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body: formData,
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headers: {
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'X-Requested-With': 'XMLHttpRequest'
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}
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});
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if (response.ok) {
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const result = await response.json().catch(() => null);
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if (result && result.success) {
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// Clear login attempts on success
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localStorage.setItem('loginAttempts', '0');
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// Show success message
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showSuccessMessage();
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// Redirect after short delay
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setTimeout(() => {
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window.location.href = result.redirect_url || '/dashboard';
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}, 1500);
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} else {
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throw new Error(result?.message || 'Anmeldung fehlgeschlagen');
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}
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} else {
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// Handle HTTP errors
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if (response.status === 401) {
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handleFailedLogin('Ungültige E-Mail-Adresse oder Passwort');
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} else if (response.status === 429) {
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handleRateLimit();
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} else {
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throw new Error(`Server-Fehler: ${response.status}`);
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}
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}
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} catch (error) {
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console.error('Login error:', error);
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handleFailedLogin(error.message || 'Ein unerwarteter Fehler ist aufgetreten');
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} finally {
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// Reset button state
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submitBtn.disabled = false;
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loadingSpinner.classList.add('hidden');
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submitText.textContent = 'Anmelden';
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}
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}
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function handleFailedLogin(message) {
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loginAttempts++;
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lastAttemptTime = Date.now();
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localStorage.setItem('loginAttempts', loginAttempts.toString());
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localStorage.setItem('lastAttemptTime', lastAttemptTime.toString());
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showAdvancedMessage(message, 'error');
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// Show warning after 3 attempts
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if (loginAttempts >= 3 && loginAttempts < MAX_ATTEMPTS) {
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document.getElementById('rate-limit-warning').classList.remove('hidden');
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const remaining = MAX_ATTEMPTS - loginAttempts;
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showAdvancedMessage(`Achtung: Noch ${remaining} Versuche übrig`, 'warning');
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}
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// Lock form after max attempts
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if (loginAttempts >= MAX_ATTEMPTS) {
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lockForm(LOCKOUT_DURATION);
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showAdvancedMessage(`Konto gesperrt. Bitte warten Sie ${LOCKOUT_DURATION / 60000} Minuten.`, 'error');
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}
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// Shake form animation
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const form = document.getElementById('loginForm');
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form.style.animation = 'shake 0.5s ease-in-out';
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setTimeout(() => {
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form.style.animation = '';
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}, 500);
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}
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function handleRateLimit() {
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showRateLimitWarning(LOCKOUT_DURATION);
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lockForm(LOCKOUT_DURATION);
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}
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function lockForm(duration) {
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isFormLocked = true;
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const form = document.getElementById('loginForm');
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const inputs = form.querySelectorAll('input, button');
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inputs.forEach(input => {
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input.disabled = true;
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});
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// Start countdown
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startLockoutCountdown(duration);
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setTimeout(() => {
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isFormLocked = false;
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inputs.forEach(input => {
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input.disabled = false;
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});
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document.getElementById('rate-limit-warning').classList.add('hidden');
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}, duration);
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}
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function startLockoutCountdown(duration) {
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const warningElement = document.getElementById('rate-limit-warning');
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const startTime = Date.now();
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const updateCountdown = () => {
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const elapsed = Date.now() - startTime;
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const remaining = Math.max(0, duration - elapsed);
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if (remaining > 0) {
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const minutes = Math.floor(remaining / 60000);
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const seconds = Math.floor((remaining % 60000) / 1000);
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warningElement.querySelector('p').innerHTML =
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`<strong>Sicherheitssperre aktiv:</strong> Versuchen Sie es in ${minutes}:${seconds.toString().padStart(2, '0')} erneut.`;
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setTimeout(updateCountdown, 1000);
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}
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};
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updateCountdown();
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}
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function showRateLimitWarning(remainingTime) {
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const warningElement = document.getElementById('rate-limit-warning');
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warningElement.classList.remove('hidden');
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const minutes = Math.floor(remainingTime / 60000);
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const seconds = Math.floor((remainingTime % 60000) / 1000);
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warningElement.querySelector('p').innerHTML =
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`<strong>Sicherheitssperre:</strong> Zu viele fehlgeschlagene Anmeldeversuche. Warten Sie ${minutes}:${seconds.toString().padStart(2, '0')}.`;
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}
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function showSuccessMessage() {
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const overlay = document.createElement('div');
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overlay.className = 'loading-overlay active';
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overlay.innerHTML = `
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<div class="loading-content">
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<div class="w-16 h-16 bg-green-100 dark:bg-green-900 rounded-full flex items-center justify-center mx-auto mb-4">
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<svg class="w-8 h-8 text-green-600 dark:text-green-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/>
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</svg>
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</div>
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<h3 class="text-lg font-semibold text-green-600 dark:text-green-400 mb-2">Anmeldung erfolgreich!</h3>
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<p class="text-sm text-gray-600 dark:text-gray-400">Sie werden weitergeleitet...</p>
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</div>
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`;
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document.body.appendChild(overlay);
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}
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// Utility functions
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function isValidEmail(email) {
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const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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return emailRegex.test(email);
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}
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function showError(input, message) {
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clearError(input);
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input.classList.add('input-error');
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input.classList.remove('input-success');
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const errorDiv = document.createElement('div');
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errorDiv.className = 'mt-1 text-sm text-mercedes-red error-message';
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errorDiv.innerHTML = `
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<div class="flex items-center">
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<svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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||||
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>
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</svg>
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${message}
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</div>
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`;
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input.parentNode.appendChild(errorDiv);
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// Screen reader announcement
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||||
announceToScreenReader(`Fehler: ${message}`);
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}
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function showWarning(input, message) {
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const warningDiv = document.createElement('div');
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warningDiv.className = 'mt-1 text-sm text-yellow-600 dark:text-yellow-400 warning-message';
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warningDiv.innerHTML = `
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<div class="flex items-center">
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<svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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||||
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-2.5L13.732 4c-.77-.833-1.964-.833-2.732 0L4.082 16.5c-.77.833.192 2.5 1.732 2.5z"/>
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</svg>
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${message}
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</div>
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`;
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||||
input.parentNode.appendChild(warningDiv);
|
||||
}
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||||
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||||
function clearError(input) {
|
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input.classList.remove('input-error', 'input-success');
|
||||
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||||
const errorMessage = input.parentNode.querySelector('.error-message');
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||||
if (errorMessage) {
|
||||
errorMessage.remove();
|
||||
}
|
||||
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||||
const warningMessage = input.parentNode.querySelector('.warning-message');
|
||||
if (warningMessage) {
|
||||
warningMessage.remove();
|
||||
}
|
||||
}
|
||||
|
||||
function clearForm() {
|
||||
const form = document.getElementById('loginForm');
|
||||
form.reset();
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||||
|
||||
const inputs = form.querySelectorAll('input');
|
||||
inputs.forEach(input => {
|
||||
clearError(input);
|
||||
});
|
||||
|
||||
document.getElementById('password-strength').classList.add('hidden');
|
||||
}
|
||||
|
||||
function showAdvancedMessage(message, type) {
|
||||
// Create toast notification
|
||||
const toast = document.createElement('div');
|
||||
toast.className = `fixed top-4 right-4 z-50 p-4 rounded-lg shadow-lg transform transition-all duration-300 translate-x-full opacity-0`;
|
||||
|
||||
if (type === 'error') {
|
||||
toast.className += ' bg-red-50 border border-red-200 text-red-800 dark:bg-red-900 dark:border-red-700 dark:text-red-200';
|
||||
} else if (type === 'warning') {
|
||||
toast.className += ' bg-yellow-50 border border-yellow-200 text-yellow-800 dark:bg-yellow-900 dark:border-yellow-700 dark:text-yellow-200';
|
||||
} else {
|
||||
toast.className += ' bg-blue-50 border border-blue-200 text-blue-800 dark:bg-blue-900 dark:border-blue-700 dark:text-blue-200';
|
||||
}
|
||||
|
||||
toast.innerHTML = `
|
||||
<div class="flex items-center">
|
||||
<svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
|
||||
${type === 'error' ?
|
||||
'<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>' :
|
||||
'<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>'
|
||||
}
|
||||
</svg>
|
||||
<span>${message}</span>
|
||||
<button onclick="this.parentElement.parentElement.remove()" class="ml-4 text-gray-400 hover:text-gray-600">
|
||||
<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
|
||||
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
|
||||
</svg>
|
||||
</button>
|
||||
</div>
|
||||
`;
|
||||
|
||||
document.body.appendChild(toast);
|
||||
|
||||
// Animate in
|
||||
setTimeout(() => {
|
||||
toast.classList.remove('translate-x-full', 'opacity-0');
|
||||
}, 100);
|
||||
|
||||
// Auto-remove after 5 seconds
|
||||
setTimeout(() => {
|
||||
toast.classList.add('translate-x-full', 'opacity-0');
|
||||
setTimeout(() => toast.remove(), 300);
|
||||
}, 5000);
|
||||
|
||||
// Screen reader announcement
|
||||
announceToScreenReader(message);
|
||||
}
|
||||
|
||||
function announceToScreenReader(message) {
|
||||
const srContainer = document.getElementById('sr-announcements');
|
||||
if (srContainer) {
|
||||
srContainer.textContent = message;
|
||||
setTimeout(() => {
|
||||
srContainer.textContent = '';
|
||||
}, 1000);
|
||||
}
|
||||
}
|
||||
|
||||
function setupTabNavigation() {
|
||||
const focusableElements = document.querySelectorAll(
|
||||
'input, button, select, textarea, a[href], [tabindex]:not([tabindex="-1"])'
|
||||
);
|
||||
|
||||
focusableElements.forEach((element, index) => {
|
||||
element.addEventListener('keydown', function(e) {
|
||||
if (e.key === 'Tab') {
|
||||
// Enhanced tab navigation logic can be added here
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
</script>
|
||||
{% endblock %}
|
||||
Reference in New Issue
Block a user