diff --git a/shop/app/globals.css b/shop/app/globals.css
index a443357..bf0d181 100644
--- a/shop/app/globals.css
+++ b/shop/app/globals.css
@@ -193,4 +193,30 @@ input:focus, select:focus, textarea:focus {
 option {
   color: oklch(var(--oklch-text-main)) !important;
   background-color: oklch(var(--oklch-surface)) !important;
+}
+
+/* Eye-Catcher & Rüttel-Animation für fehlende Pflichtkategorien */
+@keyframes shake {
+  0%, 100% { transform: translateX(0); }
+  15%, 55% { transform: translateX(-4px); }
+  35%, 75% { transform: translateX(4px); }
+}
+
+@keyframes eye-catcher-glow {
+  0%, 100% {
+    box-shadow: 0 0 15px rgba(244, 63, 94, 0.6), inset 0 0 8px rgba(244, 63, 94, 0.3);
+    border-color: rgba(244, 63, 94, 0.9);
+  }
+  50% {
+    box-shadow: 0 0 28px rgba(239, 68, 68, 0.9), inset 0 0 14px rgba(239, 68, 68, 0.5);
+    border-color: rgba(239, 68, 68, 1);
+  }
+}
+
+.animate-shake {
+  animation: shake 0.6s ease-in-out infinite;
+}
+
+.animate-eye-catcher {
+  animation: eye-catcher-glow 1.2s ease-in-out infinite, shake 0.8s ease-in-out infinite !important;
 }
\ No newline at end of file
diff --git a/shop/components/order-wizard.tsx b/shop/components/order-wizard.tsx
index 2310919..faaa20d 100644
--- a/shop/components/order-wizard.tsx
+++ b/shop/components/order-wizard.tsx
@@ -933,26 +933,42 @@ export function OrderWizard({
                   const hasSelection = (sel?.productIds && sel.productIds.length > 0) || !!sel?.productId
                   const isRequired = cat.is_required
                   const isActive = activeCategoryId === cat.id
+                  const isMissingRequired = isRequired && !hasSelection
 
                   return (
                     <button
                       key={cat.id}
                       onClick={() => setActiveCategoryId(cat.id)}
-                      className={`flex items-center gap-2.5 p-2.5 rounded-xl border transition-all duration-300 text-left relative overflow-hidden group ${isActive
-                          ? 'bg-primary/10 border-primary text-white shadow-[0_0_15px_rgba(59,130,246,0.2)]'
-                          : 'bg-slate-900/50 border-white/5 text-slate-400 hover:bg-slate-900 hover:border-white/20 hover:text-white'
+                      className={`flex items-center gap-2.5 p-2.5 rounded-xl border transition-all duration-300 text-left relative overflow-hidden group ${
+                        isMissingRequired
+                          ? 'animate-eye-catcher bg-red-500/10 border-red-500 text-red-400 font-bold shadow-[0_0_20px_rgba(239,68,68,0.4)]'
+                          : isActive
+                            ? 'bg-primary/10 border-primary text-white shadow-[0_0_15px_rgba(59,130,246,0.2)]'
+                            : 'bg-slate-900/50 border-white/5 text-slate-400 hover:bg-slate-900 hover:border-white/20 hover:text-white'
                         }`}
                     >
-                      {isActive && (
+                      {isActive && !isMissingRequired && (
                         <div className="absolute left-0 top-0 bottom-0 w-1 bg-primary" />
                       )}
 
-                      <div className={`p-1.5 rounded-lg transition-colors ${isActive ? 'bg-primary/20 text-primary' : 'bg-white/5 text-slate-400 group-hover:text-white'}`}>
+                      <div className={`p-1.5 rounded-lg transition-colors ${
+                        isMissingRequired
+                          ? 'bg-red-500/20 text-red-400'
+                          : isActive
+                            ? 'bg-primary/20 text-primary'
+                            : 'bg-white/5 text-slate-400 group-hover:text-white'
+                      }`}>
                         <CategoryIcon icon={cat.icon} className="w-3.5 h-3.5" />
                       </div>
 
                       <div className="flex-1 min-w-0">
-                        <p className={`text-xs font-semibold truncate ${isActive ? 'text-white' : 'text-slate-300 group-hover:text-white'}`}>
+                        <p className={`text-xs font-semibold truncate ${
+                          isMissingRequired
+                            ? 'text-red-300 font-bold'
+                            : isActive
+                              ? 'text-white'
+                              : 'text-slate-300 group-hover:text-white'
+                        }`}>
                           {cat.name}
                         </p>
                       </div>
@@ -962,8 +978,8 @@ export function OrderWizard({
                           ✓
                         </span>
                       ) : isRequired ? (
-                        <span className="text-[9px] px-1.5 py-0.2 rounded-full font-semibold shrink-0 border border-amber-500/30 text-amber-400 bg-amber-500/10">
-                          !
+                        <span className="text-[9px] px-2 py-0.5 rounded-full font-extrabold shrink-0 border border-red-500 text-red-400 bg-red-500/20 animate-pulse tracking-wider">
+                          FEHLT!
                         </span>
                       ) : null}
                     </button>
diff --git a/shop/components/wizard/step-software.tsx b/shop/components/wizard/step-software.tsx
index 2bbecc4..ea63193 100644
--- a/shop/components/wizard/step-software.tsx
+++ b/shop/components/wizard/step-software.tsx
@@ -88,34 +88,52 @@ export function StepSoftware({
             className="space-y-6"
           >
             {/* Category header */}
-            <div className="flex items-center gap-3 bg-white/5 p-4 rounded-xl border border-white/10">
-              <div className="w-8 h-8 rounded-lg bg-primary/20 flex items-center justify-center">
-                <CategoryIcon icon={currentCategory.icon} className="w-4 h-4 text-primary" />
-              </div>
-              <div>
-                <h3 className="font-bold text-white text-sm">{currentCategory.name}</h3>
-                {currentCategory.description && (
-                  <p className="text-slate-400 text-xs mt-0.5">{currentCategory.description}</p>
-                )}
-              </div>
-              {sel?.productIds && sel.productIds.length > 0 ? (
-                <Badge className="ml-auto bg-green-500/20 text-green-400 border border-green-500/30 text-xs rounded-full">
-                  <Check className="w-3 h-3 mr-1" /> {sel.productIds.length} Ausgewählt
-                </Badge>
-              ) : sel?.productId ? (
-                <Badge className="ml-auto bg-green-500/20 text-green-400 border border-green-500/30 text-xs rounded-full">
-                  <Check className="w-3 h-3 mr-1" /> Ausgewählt
-                </Badge>
-              ) : currentCategory.is_required ? (
-                <Badge variant="destructive" className="ml-auto opacity-90 text-xs rounded-full bg-red-500/20 text-red-400 border border-red-500/30">
-                  <AlertCircle className="w-3 h-3 mr-1" /> Erforderlich
-                </Badge>
-              ) : (
-                <Badge variant="outline" className="ml-auto border-white/10 text-slate-400 text-xs rounded-full bg-white/5">
-                  Optional
-                </Badge>
-              )}
-            </div>
+            {(() => {
+              const isMissingRequired = currentCategory.is_required && !sel?.productId && (!sel?.productIds || sel.productIds.length === 0)
+              return (
+                <div className={`flex items-center gap-3 p-4 rounded-xl border transition-all ${
+                  isMissingRequired
+                    ? 'animate-eye-catcher bg-red-500/10 border-red-500 text-red-400 font-bold'
+                    : 'bg-white/5 border-white/10'
+                }`}>
+                  <div className={`w-8 h-8 rounded-lg flex items-center justify-center ${
+                    isMissingRequired ? 'bg-red-500/20 text-red-400' : 'bg-primary/20 text-primary'
+                  }`}>
+                    <CategoryIcon icon={currentCategory.icon} className="w-4 h-4" />
+                  </div>
+                  <div>
+                    <h3 className="font-bold text-white text-sm flex items-center gap-2">
+                      {currentCategory.name}
+                      {isMissingRequired && (
+                        <span className="text-[10px] bg-red-500/20 text-red-400 border border-red-500/40 px-2 py-0.5 rounded-full font-extrabold animate-pulse tracking-wider">
+                          PFLICHTFELD AUSWÄHLEN!
+                        </span>
+                      )}
+                    </h3>
+                    {currentCategory.description && (
+                      <p className="text-slate-400 text-xs mt-0.5">{currentCategory.description}</p>
+                    )}
+                  </div>
+                  {sel?.productIds && sel.productIds.length > 0 ? (
+                    <Badge className="ml-auto bg-green-500/20 text-green-400 border border-green-500/30 text-xs rounded-full">
+                      <Check className="w-3 h-3 mr-1" /> {sel.productIds.length} Ausgewählt
+                    </Badge>
+                  ) : sel?.productId ? (
+                    <Badge className="ml-auto bg-green-500/20 text-green-400 border border-green-500/30 text-xs rounded-full">
+                      <Check className="w-3 h-3 mr-1" /> Ausgewählt
+                    </Badge>
+                  ) : currentCategory.is_required ? (
+                    <Badge variant="destructive" className="ml-auto opacity-90 text-xs rounded-full bg-red-500/30 text-red-400 border border-red-500/50 animate-pulse font-extrabold">
+                      <AlertCircle className="w-3 h-3 mr-1 text-red-400" /> Bitte auswählen!
+                    </Badge>
+                  ) : (
+                    <Badge variant="outline" className="ml-auto border-white/10 text-slate-400 text-xs rounded-full bg-white/5">
+                      Optional
+                    </Badge>
+                  )}
+                </div>
+              )
+            })()}
 
             {catProducts.length === 0 ? (
               <p className="text-slate-500 text-sm italic">