feat: Paket 2 - Product catalog management, guest orders, sponsor rounds, password reset, user deletion, unlimited invite links and setup wizard

app/templates/index.html

@@ -22,6 +22,12 @@
       Bestellschluss: <strong>{{ event.deadline.strftime('%d.%m.%Y um %H:%M Uhr') }}</strong>
     </p>
 
+    {% if event.sponsor_name %}
+    <div class="sponsor-badge-banner">
+      🎉 <strong>Runde gesponsert:</strong> Die Brotzeit geht heute auf <strong>{{ event.sponsor_name }}</strong>!
+    </div>
+    {% endif %}
+
     <div class="banner-stats">
       <span>👥 Bereits <strong>{{ order_count }}</strong> Bestellungen von Kollegen eingegangen</span>
     </div>
@@ -48,7 +54,14 @@
             <div class="product-info">
               <h3>{{ product.name }}</h3>
               <p class="product-desc">{{ product.description }}</p>
-              <div class="product-price">{{ "%.2f"|format(product.price) }} € <small>/ {{ product.unit }}</small></div>
+              <div class="product-price">
+                {% if event.sponsor_name %}
+                <span style="text-decoration: line-through; opacity: 0.6; font-size: 0.9rem;">{{ "%.2f"|format(product.price) }} €</span>
+                <span style="color: var(--accent-gold); font-weight: 700;"> 0,00 € (Gesponsert)</span>
+                {% else %}
+                {{ "%.2f"|format(product.price) }} € <small>/ {{ product.unit }}</small>
+                {% endif %}
+              </div>
             </div>
             <div class="quantity-control">
               <button type="button" class="qty-btn" onclick="changeQty({{ product.id }}, -1)" {% if is_closed %}disabled{% endif %}>-</button>
@@ -63,15 +76,38 @@
       <!-- Right: User Details & Summary -->
       <div class="summary-section">
         <div class="summary-card">
-          <h2>2. Zusammenfassung</h2>
+          <h2>2. Bestellung & Angaben</h2>
           
+          {% if current_user %}
           <div class="logged-in-badge">
             <div class="user-avatar">👤</div>
             <div>
-              <strong>{{ current_user.first_name }} {{ current_user.last_name }}</strong><br>
+              <strong>{{ current_user.first_name }} {{ current_user.last_name }}</strong>
+              {% if current_user.role == 'guest' %}<small>(Gast)</small>{% endif %}
+              <br>
               <small class="text-muted">{{ current_user.email }}</small>
             </div>
           </div>
+          {% else %}
+          <!-- Gast Angaben -->
+          <div class="guest-order-box">
+            <div class="privacy-note" style="margin-bottom: 12px;">
+              👋 <strong>Gast-Bestellung:</strong> Du bestellst ohne dauerhaftes Benutzerkonto für diesen Termin mit.
+            </div>
+            <div class="input-group">
+              <label for="g_first_name">Dein Vorname *</label>
+              <input type="text" id="g_first_name" name="guest_first_name" required placeholder="z. B. Christian">
+            </div>
+            <div class="input-group">
+              <label for="g_last_name">Nachname (optional)</label>
+              <input type="text" id="g_last_name" name="guest_last_name" placeholder="z. B. Bauer">
+            </div>
+            <div class="input-group">
+              <label for="g_email">E-Mail (optional für Bestätigung)</label>
+              <input type="email" id="g_email" name="guest_email" placeholder="name@firma.de">
+            </div>
+          </div>
+          {% endif %}
 
           {% if existing_order %}
           <div class="notice-box">
@@ -87,6 +123,12 @@
             <div class="total-amount" id="totalAmount">0,00 €</div>
           </div>
 
+          {% if event.sponsor_name %}
+          <div style="font-size: 0.85rem; color: var(--accent-gold); margin-bottom: 14px; text-align: center;">
+            🎁 Die Rechnung wird von <strong>{{ event.sponsor_name }}</strong> übernommen!
+          </div>
+          {% endif %}
+
           <button type="submit" class="btn-submit" id="submitBtn" {% if is_closed %}disabled{% endif %}>
             {% if is_closed %}
             🔒 Bestellschluss vorüber
@@ -112,7 +154,7 @@
     <div class="empty-icon">🏖️</div>
     <h2>Aktuell keine offene Bestellrunde</h2>
     <p>Für dieses Team ist im Moment keine Brotzeit geplant.</p>
-    {% if current_user.role == 'admin' %}
+    {% if current_user and current_user.role == 'admin' %}
     <a href="/admin?tab=event" class="btn-primary" style="margin-top: 1rem;">Neue Bestellrunde im Cockpit anlegen</a>
     {% endif %}
   </div>
@@ -163,7 +205,6 @@
       if (containerEl) {
         containerEl.classList.add('expired');
       }
-      // Formular sperren
       if (submitBtn) {
         submitBtn.disabled = true;
         submitBtn.innerText = "🔒 Bestellschluss vorüber";