mindflux/src/main/resources/templates/index.html

<!DOCTYPE html>
<html lang="de" data-theme="dark" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Mindflux – Deine Zukunft beginnt hier</title>
    <link rel="stylesheet" href="/css/theme.css">
    <script src="/js/theme.js"></script>
    <link rel="stylesheet" href="/css/auth.css">
</head>
<body>

<div class="mf-theme-float"><button class="mf-theme"></button></div>

<div class="mf-center">
  <div class="auth-stage">

    <div class="auth-container" id="authContainer">

      <!-- ===== Sign In ===== -->
      <div class="form-box login">
        <div class="inner">
          <div class="auth-head">
            <span class="mark"></span>
            <b>MINDFLUX</b>
            <h2>Willkommen zurück</h2>
            <span class="sub">Melde dich an, um weiterzulernen.</span>
          </div>

          <div th:if="${param.error}" class="mf-alert err">Benutzername oder Passwort sind falsch.</div>
          <div th:if="${param.logout}" class="mf-alert ok">Du hast dich erfolgreich abgemeldet.</div>
          <div th:if="${param.registerSuccess}" class="mf-alert ok">Registrierung erfolgreich! Du kannst dich jetzt einloggen.</div>

          <form th:action="@{/login}" method="post">
            <div class="mf-field">
              <label class="mf-label" for="login-username">Benutzername</label>
              <input id="login-username" class="mf-input" type="text" name="username" placeholder="Benutzername" required th:value="${param.username}">
            </div>
            <div class="mf-field">
              <label class="mf-label" for="login-password">Passwort</label>
              <input id="login-password" class="mf-input" type="password" name="password" placeholder="Passwort" required>
            </div>
            <button class="neon-btn" type="submit"><span class="lock">🔒</span> Login</button>
          </form>

          <p class="mobile-switch">Noch keinen Account? <a data-goto="signup">Jetzt registrieren</a></p>
        </div>
      </div>

      <!-- ===== Sign Up ===== -->
      <div class="form-box signup">
        <div class="inner">
          <div class="auth-head">
            <span class="mark"></span>
            <b>MINDFLUX</b>
            <h2>Account erstellen</h2>
            <span class="sub">Kostenlos – und in 30 Sekunden startklar.</span>
          </div>

          <div th:if="${param.registerError}" class="mf-alert err">Benutzername bereits vergeben.</div>
          <div th:if="${param.passwordMismatch}" class="mf-alert err">Die Passwörter stimmen nicht überein. Bitte erneut eingeben.</div>

          <form th:action="@{/register}" method="post">
            <div class="mf-field">
              <label class="mf-label" for="reg-username">Benutzername</label>
              <input id="reg-username" class="mf-input" type="text" name="username" placeholder="Benutzername" required>
            </div>
            <div class="mf-field">
              <label class="mf-label" for="reg-email">E-Mail</label>
              <input id="reg-email" class="mf-input" type="email" name="email" placeholder="E-Mail" required>
            </div>
            <div class="mf-field">
              <label class="mf-label" for="reg-password">Passwort</label>
              <input id="reg-password" class="mf-input" type="password" name="password" placeholder="Passwort" required>
            </div>
            <div class="mf-field">
              <label class="mf-label" for="reg-password2">Passwort wiederholen</label>
              <input id="reg-password2" class="mf-input" type="password" name="confirmPassword" placeholder="Passwort wiederholen" required>
            </div>
            <p id="reg-pw-msg" class="mf-alert err" style="display:none">Die Passwörter stimmen nicht überein.</p>
            <button class="neon-btn" type="submit"><span class="lock">🚀</span> Account erstellen</button>
          </form>

          <p class="mobile-switch">Schon dabei? <a data-goto="login">Zum Login</a></p>
        </div>
      </div>

      <!-- ===== Overlay ===== -->
      <div class="overlay-container">
        <div class="overlay">
          <!-- sichtbar im Signup-Modus -> zurück zum Login -->
          <div class="overlay-panel overlay-left">
            <span class="o-emblem"></span>
            <h3>Schon dabei?</h3>
            <p>Melde dich an und mach bei 88 Meilen pro Stunde weiter. 🚀</p>
            <button type="button" class="ghost-btn" id="toLogin">Zum Login</button>
          </div>
          <!-- sichtbar im Login-Modus -> zum Signup -->
          <div class="overlay-panel overlay-right">
            <span class="o-emblem"></span>
            <h3>Neu bei Mindflux?</h3>
            <p>Erstelle deinen kostenlosen Account und schalte die volle Lernplattform frei.</p>
            <button type="button" class="ghost-btn" id="toSignup">Account erstellen</button>
          </div>
        </div>
      </div>

    </div>

    <footer class="mf-footer">
      <a href="#">Support</a>
      <a href="#">Feedback</a>
      <a href="/nutzungsbedingungen">Nutzungsbedingungen</a>
      <a href="/richtlinien">Richtlinien</a>
      <a href="/datenschutz">Datenschutz</a>
      <a href="/impressum">Impressum</a>
    </footer>

  </div>
</div>

<script>
  (function () {
    var c = document.getElementById('authContainer');
    var toSignup = document.getElementById('toSignup');
    var toLogin  = document.getElementById('toLogin');
    if (toSignup) toSignup.addEventListener('click', function () { c.classList.add('active'); });
    if (toLogin)  toLogin.addEventListener('click',  function () { c.classList.remove('active'); });

    document.querySelectorAll('[data-goto="signup"]').forEach(function (el) {
      el.addEventListener('click', function (e) { e.preventDefault(); c.classList.add('active'); });
    });
    document.querySelectorAll('[data-goto="login"]').forEach(function (el) {
      el.addEventListener('click', function (e) { e.preventDefault(); c.classList.remove('active'); });
    });

    // Bei Registrierungs-/Passwortfehler direkt das Signup-Panel öffnen
    var qp = new URLSearchParams(window.location.search);
    if (qp.has('registerError') || qp.has('passwordMismatch')) {
      c.classList.add('active');
    }

    // Client-seitiger Passwort-Abgleich (sofortiges Feedback; der Server prüft zusätzlich)
    var pw = document.getElementById('reg-password');
    var pw2 = document.getElementById('reg-password2');
    var pwMsg = document.getElementById('reg-pw-msg');
    var signupForm = pw2 ? pw2.closest('form') : null;
    function pwCheck() {
      var mismatch = pw2.value.length > 0 && pw.value !== pw2.value;
      if (pwMsg) pwMsg.style.display = mismatch ? 'block' : 'none';
      pw2.setCustomValidity(pw.value !== pw2.value ? 'Passwörter stimmen nicht überein' : '');
      return !mismatch;
    }
    if (pw && pw2) {
      pw.addEventListener('input', pwCheck);
      pw2.addEventListener('input', pwCheck);
      if (signupForm) signupForm.addEventListener('submit', function (e) {
        if (pw.value !== pw2.value) { e.preventDefault(); pwCheck(); c.classList.add('active'); }
      });
    }
  })();
</script>

</body>
</html>