diff --git a/assets/course_sidebar.js b/assets/course_sidebar.js
index b52862b..4d11ed3 100644
--- a/assets/course_sidebar.js
+++ b/assets/course_sidebar.js
@@ -454,11 +454,14 @@
       const existingNav = document.getElementById('courseModuleNavigator');
       if (existingNav) existingNav.remove();
 
-      // Legacy-Buttons ausblenden
-      const legacyActionDivs = mainEl.querySelectorAll('.card > div[style*="flex"]:last-child, main > div[style*="flex"]:last-child');
-      legacyActionDivs.forEach(div => {
-        if (div.querySelector('a[href*="workspace.html"]') || div.querySelector('a[href*="index.html"]')) {
-          div.style.display = 'none';
+      // Legacy-Buttons ausblenden / entfernen
+      const legacyCandidates = mainEl.querySelectorAll(
+        '.card > div[style*="flex"]:last-child, main > div[style*="flex"]:last-child, div[style*="flex"]:last-child, ' +
+        '.border-t, div[class*="border-t"], div[class*="justify-between"], div.mt-8.pt-6'
+      );
+      legacyCandidates.forEach(el => {
+        if (el.querySelector('a[href*="index.html"]') || el.querySelector('a[href*="workspace.html"]') || el.querySelector('.ihk-btn') || el.innerText.includes('Nächstes Modul') || el.innerText.includes('Vorheriges Modul')) {
+          el.remove();
         }
       });
 
@@ -566,10 +569,13 @@
       const existingPaneNav = theoriePane.querySelector('.course-module-navigator');
       if (existingPaneNav) existingPaneNav.remove();
 
-      const legacyActionDivs = theoriePane.querySelectorAll('.card > div[style*="flex"]:last-child, div[style*="flex"]:last-child');
-      legacyActionDivs.forEach(div => {
-        if (div.querySelector('a[href*="workspace.html"]') || div.querySelector('a[href*="index.html"]')) {
-          div.style.display = 'none';
+      const legacyCandidates = theoriePane.querySelectorAll(
+        '.card > div[style*="flex"]:last-child, div[style*="flex"]:last-child, ' +
+        '.border-t, div[class*="border-t"], div[class*="justify-between"], div.mt-8.pt-6'
+      );
+      legacyCandidates.forEach(el => {
+        if (el.querySelector('a[href*="index.html"]') || el.querySelector('a[href*="workspace.html"]') || el.querySelector('.ihk-btn') || el.innerText.includes('Nächstes Modul') || el.innerText.includes('Vorheriges Modul')) {
+          el.remove();
         }
       });
 
diff --git a/server.py b/server.py
index 9e7c516..7173cfc 100644
--- a/server.py
+++ b/server.py
@@ -44,6 +44,41 @@ def is_trusted_source(ip: str) -> bool:
     except ValueError:
         return False
 
+# ------------------------------------------------------------------------------
+# 0. AUTOMATISCHES ROUTING FÜR ALLE 264 KURS-KAPITEL
+# ------------------------------------------------------------------------------
+CHAPTER_ROUTES = {}
+
+def load_chapter_routes():
+    global CHAPTER_ROUTES
+    manifest_path = BASE_DIR / "assets" / "courses_manifest.js"
+    if not manifest_path.exists():
+        return
+    try:
+        content = manifest_path.read_text(encoding="utf-8")
+        idx = content.find("{")
+        if idx != -1:
+            json_str = content[idx:].strip()
+            if json_str.endswith(";"):
+                json_str = json_str[:-1]
+            manifest = json.loads(json_str)
+            routes = {}
+            for cid, c in manifest.items():
+                for tr in c.get("tracks", []):
+                    tid = tr.get("id", "")
+                    for ch in tr.get("chapters", []):
+                        f = ch.get("folder", "")
+                        if f:
+                            if cid == "python":
+                                routes[f] = f"/{tid}/{f}"
+                            else:
+                                routes[f] = f"/courses/{cid}/{f}"
+            CHAPTER_ROUTES = routes
+    except Exception as e:
+        print(f"Warnung beim Laden der Kapitel-Routen: {e}")
+
+load_chapter_routes()
+
 # ------------------------------------------------------------------------------
 # 1. PERSISTENTER SECRET KEY
 # ------------------------------------------------------------------------------
@@ -357,6 +392,25 @@ class PlatformRequestHandler(http.server.SimpleHTTPRequestHandler):
         if self.is_path_blocked(path):
             return self.send_json({"error": "Zugriff verweigert (Geschützte Datei)"}, 403)
 
+        # Automatische Weiterleitung für Direktaufrufe von Kapitel-Ordnern an der Root-Ebene
+        # (z. B. /02_lf2_arbeitsplaetze_ausstatten/index.html -> /courses/ihk_ap1/02_lf2_arbeitsplaetze_ausstatten/index.html)
+        path_parts = [p for p in path.split("/") if p]
+        if path_parts and not path.startswith("/api/"):
+            first_part = path_parts[0]
+            if first_part in CHAPTER_ROUTES:
+                target_base = CHAPTER_ROUTES[first_part]
+                sub_path = "/".join(path_parts[1:])
+                if not sub_path:
+                    sub_path = "index.html"
+                target_url = f"{target_base}/{sub_path}"
+                if parsed.query:
+                    target_url += f"?{parsed.query}"
+                self.send_response(302)
+                self.send_header("Location", target_url)
+                self.send_header("Cache-Control", "no-cache")
+                self.end_headers()
+                return
+
         # 1. ÖFFENTLICHER STATUS-ENDPUNKT (Wartungsmodus, Ankündigung, Registrierung)
         if path == "/api/platform/status":
             return self.send_json({
diff --git a/workspace.html b/workspace.html
index 09d17c9..8744893 100644
--- a/workspace.html
+++ b/workspace.html
@@ -533,8 +533,35 @@
         if (htmlDoc) {
           const parser = new DOMParser();
           const doc = parser.parseFromString(htmlDoc, "text/html");
-          const mainContent = doc.querySelector("main.container") || doc.body;
-          document.getElementById("tab-content-theorie").innerHTML = mainContent.innerHTML;
+          const mainContent = doc.querySelector("main.container") || doc.querySelector("main") || doc.querySelector(".container") || doc.body;
+
+          // Legacy-Navigationsleisten und Dashboard-Breadcrumbs im IDE-Theorietext entfernen
+          const legacyBars = mainContent.querySelectorAll(
+            '.border-t, div[class*="border-t"], div[class*="justify-between"], div.mt-8.pt-6, .course-module-navigator, .course-sidebar-mobile-btn'
+          );
+          legacyBars.forEach(el => {
+            if (el.querySelector('a[href*="index.html"]') || el.querySelector('a[href*="dashboard.html"]') || el.querySelector('.ihk-btn') || el.innerText.includes('Nächstes Modul') || el.innerText.includes('Vorheriges Modul') || el.innerText.includes('← Zurück zum Dashboard')) {
+              el.remove();
+            }
+          });
+
+          const theorieContainer = document.getElementById("tab-content-theorie");
+          theorieContainer.innerHTML = mainContent.innerHTML;
+
+          // Alle Links innerhalb des Theorie-Panels absichern:
+          // Kapitel-Links schalten die Web-IDE um, anstatt die IDE zu verlassen
+          theorieContainer.querySelectorAll("a").forEach(link => {
+            const rawHref = link.getAttribute("href") || "";
+            const chapMatch = rawHref.match(/([0-9]{2}_[a-zA-Z0-9_-]+)/);
+            if (chapMatch && !rawHref.startsWith("http") && !rawHref.includes("workspace.html")) {
+              link.addEventListener("click", (e) => {
+                e.preventDefault();
+                const targetChapter = chapMatch[1];
+                window.location.href = `workspace.html?course=${encodeURIComponent(courseId)}&chapter=${encodeURIComponent(targetChapter)}`;
+              });
+            }
+          });
+
           if (window.renderWorkspaceTheoryNavigator) {
             window.renderWorkspaceTheoryNavigator();
           }