diff --git a/config.yaml b/config.yaml
index 2a73f9c..0a46a05 100644
--- a/config.yaml
+++ b/config.yaml
@@ -4,13 +4,12 @@ language: en
 
 vault:
   root: public
-  cleanup: true
-
-view:
-  index:
-  notfound:
+  cleanup: false
 
 metadata:
   hidden:
     - example
     - foo/bar.md
+  routes:
+    index:
+    error:
diff --git a/src/scripts/app.js b/src/scripts/app.js
index c65498c..79917cf 100644
--- a/src/scripts/app.js
+++ b/src/scripts/app.js
@@ -1,6 +1,6 @@
 import { Engine } from './search'
 import { Index, State } from './object'
-import router, { Routes } from './router'
+import router from './router'
 import zettelkasten from './zettelkasten'
 
 import { marked } from 'marked'
@@ -60,6 +60,21 @@ export default () => ({
               </div>
             `;
         }
+
+        fallback() {
+            this.value = `
+              <div class="flex size-full justify-center self-center">
+                <div class="flex flex-col items-center">
+                  <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="size-24 text-neutral-200">
+                    <path fill-rule="evenodd" d="M4.5 2A1.5 1.5 0 0 0 3 3.5v13A1.5 1.5 0 0 0 4.5 18h11a1.5 1.5 0 0 0 1.5-1.5V7.621a1.5 1.5 0 0 0-.44-1.06l-4.12-4.122A1.5 1.5 0 0 0 11.378 2H4.5Zm2.25 8.5a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Zm0 3a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Z" clip-rule="evenodd" />
+                  </svg>
+                  <div class="font-semibold">
+                    NOT FOUND
+                  </div>
+                </div>
+              </div>
+            `;
+        }
     },
 
     graph: new class extends State {
@@ -80,8 +95,8 @@ export default () => ({
               >
                 <div class="relative rounded-md border size-full p-1 bg-white"
                      x-data="{ ready: false }"
-                     x-init="if (graph.value?.nodeType) { ready = true; $el.appendChild(graph.value) }"
-                     @click="if (expand && $el.children.length === 1) { destroy(); toggleGlobal(false) }"
+                     x-init="if (graph.value?.nodeType) { ready = true; $el.appendChild(graph.value) } else ready = false;"
+                     @click="if (expand && !ready) { destroy(); toggleGlobal(false) }"
                 >
                   <template x-if="ready">
                     <div class="flex items-center gap-x-1 mr-1 mt-1 absolute top-0 right-0 z-20 text-neutral-600">
@@ -103,7 +118,7 @@ export default () => ({
                     </div>
                   </template>
                   <template x-if="!ready">
-                    <div x-html="graph.init()" class="size-full">
+                    <div x-html="graph.value" class="size-full">
                     </div>
                   </template>
                 </div>
@@ -140,43 +155,41 @@ export default () => ({
     async init() {
         this.content.transition(async () => {
             this.index = await Index.fromPack();
-            this.router.start();
 
-            console.log(this.index);
+            this.content.value = ''; // clear init state
+            this.load.apply(this);
+
+            this.router.start(this.index.metadata.routes);
         });
 
-        Routes.index = () => {
-            let [url, view] = this.index.createView();
+        this.router.route = (path) => {
+            let view = this.index.getObject(path);
 
-            this.graph.transition(async () => {
-                const { Engine } = await import('./graph');
-                let engine = Engine.fromIndex(this.index);
-
-                return engine.createInstance(url);
-            });
-
-            this.navigation.transition(() => {
-                let [tree, searchable] = this.index.createTree();
-                let search = this.search.engine.getInstance();
-
-                search.addAllAsync(searchable);
-                return tree.render(false);
-            });
-
-            this.content.transition(() => {
-                return view?.render() ?? '';
-            });
-
-            return url;
+            this.content.value = view?.render();
+            return Boolean(view);
         }
 
-        Routes.other = path => {
-            this.content.transition(() => {
-                let [,view] = this.index.createView(path);
-                return view.render();
-            });
-        }
+        this.router.on('error', () => {
+            this.content.fallback();
+        });
 
         marked.use(zettelkasten());
     },
+    async load() {
+        this.graph.transition(async () => {
+            const { Engine } = await import('./graph');
+            let engine = Engine.fromIndex(this.index);
+            let node = engine.createInstance();
+
+            return node;
+        });
+
+        this.navigation.transition(() => {
+            let [tree, searchable] = this.index.createTree();
+            let search = this.search.engine.getInstance();
+
+            search.addAllAsync(searchable);
+            return tree.render(false);
+        });
+    }
 })
diff --git a/src/scripts/graph.js b/src/scripts/graph.js
index 1fd649e..45b91cc 100644
--- a/src/scripts/graph.js
+++ b/src/scripts/graph.js
@@ -48,7 +48,7 @@ export class Engine {
         return new Engine(graph);
     }
 
-    createInstance(url) {
+    createInstance() {
         let settings = { allowInvalidContainer: true };
         let container = document.createElement('div');
 
@@ -59,9 +59,8 @@ export class Engine {
         this.setupInteraction();
         this.setupGraphStyle();
 
-        let camera = this.instance.getCamera();
-        router.emit('retrieve', { path: url });
-        camera.animate({ ratio: 1 }, { easing: "linear", duration: 200 });
+        let path = router.last('retrieve')?.params?.path;
+        setTimeout(() => router.emit('retrieve', { path }), 500);
 
         return container;
     }
@@ -201,6 +200,12 @@ export class Engine {
         });
     }
 
+    panover(path) {
+        let camera = this.instance.getCamera();
+        router.emit('graphview update', { path });
+        camera.animate({ ratio: 0.5 }, { easing: "linear", duration: 200 });
+    }
+
     dispose() {
         this.layout.kill();
         this.instance.kill();
diff --git a/src/scripts/object.js b/src/scripts/object.js
index cb9d8d0..6936dfb 100644
--- a/src/scripts/object.js
+++ b/src/scripts/object.js
@@ -53,9 +53,8 @@ class BaseNode extends BaseObject {
 }
 
 export class Index extends BaseObject {
-    constructor(view, metadata, object, links = {}) {
+    constructor(metadata, object, links = {}) {
         super();
-        this.view = view;
         this.metadata = metadata;
         this.object = object;
         this.links = links;
@@ -64,13 +63,7 @@ export class Index extends BaseObject {
     static Metadata(x) {
         return {
             hidden: x?.hidden,
-        }
-    }
-
-    static View(x) {
-        return {
-            index: x?.index,
-            notfound: x?.notfound
+            routes: x?.routes,
         }
     }
 
@@ -151,27 +144,6 @@ export class Index extends BaseObject {
 
         return [root, searchable];
     }
-
-    createView(path = '') {
-        let entry = this.getObject(path);
-        let view = this.view;
-
-        if (! path) {
-            path = view.index ?? '';
-            entry = this.getObject(path);
-
-            if (!entry) return [path, Document.Blank()];
-        }
-
-        if (! entry) {
-            path = view.notfound ?? '';
-            entry = this.getObject(path);
-
-            if (!entry) return [path, Document.NotFound()];
-        }
-
-        return [path, entry];
-    }
 }
 
 export class Folder extends BaseNode {
@@ -242,10 +214,12 @@ export class Folder extends BaseNode {
 
         return `
           <div x-data="{ active: null, navigate: false }"
-               x-init="router.on('ready', ({ url }) => {
+               x-init="router.on('ready', () => {
                            let isFromNav = navigate;
+                           let path = window.location.pathname;
+
                            active?.setAttribute('data-active', false);
-                           active = $el.querySelector(\`[data-path=&quot;\${url}&quot;]\`);
+                           active = $el.querySelector(\`[data-path=&quot;\${path}&quot;]\`);
                            active?.setAttribute('data-active', true);
 
                            if (isFromNav) return;
@@ -278,29 +252,6 @@ export class Document extends BaseNode {
         this.links = [];
     }
 
-    static NotFound() {
-        return {
-            render: () => `
-              <div class="flex size-full justify-center self-center">
-                <div class="flex flex-col items-center">
-                  <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="size-24 text-neutral-200">
-                    <path fill-rule="evenodd" d="M4.5 2A1.5 1.5 0 0 0 3 3.5v13A1.5 1.5 0 0 0 4.5 18h11a1.5 1.5 0 0 0 1.5-1.5V7.621a1.5 1.5 0 0 0-.44-1.06l-4.12-4.122A1.5 1.5 0 0 0 11.378 2H4.5Zm2.25 8.5a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Zm0 3a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Z" clip-rule="evenodd" />
-                  </svg>
-                  <div class="font-semibold">
-                    NOT FOUND
-                  </div>
-                </div>
-              </div>
-            `
-        }
-    }
-
-    static Blank() {
-        return {
-            render: () => ''
-        }
-    }
-
     fullname() {
         return this.name + '.md';
     }
@@ -312,13 +263,7 @@ export class Document extends BaseNode {
         let title = this.metadata.title ?? this.name;
         document.title = `${title} - ${appName}`;
 
-        return `
-          <div class="flex flex-col w-full md:mx-12 m-6 md:mt-8">
-            <div class="font-bold text-4xl mb-6">${title}</div>
-            <div x-ref="page" class="prose prose-neutral md:max-w-prose max-w-none w-full">
-              ${marked(this.content)}
-            </div>
-          </div>
+        let sidebar = () => `
           <div class="lg:block hidden 2xl:min-w-80 max-w-72 w-full max-h-screen">
             <div class="flex flex-col fixed gap-y-8 pt-6 2xl:w-80 w-72 select-none">
               <!-- Interactive Graph -->
@@ -329,16 +274,16 @@ export class Document extends BaseNode {
                            $nextTick(() => headings = $refs.page.querySelectorAll(':not([data-type]) > :is(h1, h2, h3, h4, h5, h6)'))"
                    x-show="headings.length > 0"
                    class="mr-8"
-              >
-                <div class="uppercase text-sm font-semibold mb-3">On this page</div>
-                <div class="overflow-y-auto overscroll-contain 2xl:max-h-96 max-h-64">
-                  <template x-for="heading in headings">
-                    <div :data-level="heading.tagName"
-                         x-data="{ id: '#' + heading.innerText, scroll: () => heading.scrollIntoView() }"
-                         x-init="if (hash === id) scroll()"
-                         class="data-[level=H1]:pl-0 data-[level=H1]:border-0 data-[level=H1]:ml-0
-                                data-[level=H2]:ml-1 data-[level=H3]:ml-5 data-[level=H4]:ml-9 data-[level=H5]:ml-[3.25rem] ml-[4.25rem]
-                                pl-3 border-l"
+               >
+                 <div class="uppercase text-sm font-semibold mb-3">On this page</div>
+                 <div class="overflow-y-auto overscroll-contain 2xl:max-h-96 max-h-64">
+                 <template x-for="heading in headings">
+                   <div :data-level="heading.tagName"
+                        x-data="{ id: '#' + heading.innerText, scroll: () => heading.scrollIntoView() }"
+                        x-init="if (hash === id) scroll()"
+                        class="data-[level=H1]:pl-0 data-[level=H1]:border-0 data-[level=H1]:ml-0
+                            data-[level=H2]:ml-1 data-[level=H3]:ml-5 data-[level=H4]:ml-9 data-[level=H5]:ml-[3.25rem] ml-[4.25rem]
+                            pl-3 border-l"
                     >
                       <a x-text="heading.innerText"
                          class="text-neutral-500 hover:text-neutral-800"
@@ -352,6 +297,18 @@ export class Document extends BaseNode {
             </div>
           </div>
         `;
+
+        return `
+          <div class="flex flex-col w-full md:mx-12 m-6 md:mt-8">
+            <div class="font-bold text-4xl mb-6">${title}</div>
+            <div x-ref="page" class="prose prose-neutral max-w-none w-full
+                                     ${this.metadata['no_sidebar'] ? '' : 'md:max-w-prose'}"
+            >
+              ${marked(this.content)}
+            </div>
+          </div>
+          ${this.metadata['no_sidebar'] ? '' : sidebar()}
+        `;
     }
 
     inline(attributes = {}) {
diff --git a/src/scripts/router.js b/src/scripts/router.js
index dc1b914..1f2c8c3 100644
--- a/src/scripts/router.js
+++ b/src/scripts/router.js
@@ -1,24 +1,34 @@
-export const Routes = {
-    index() {},
-    other() {}
+const Routes = {
+    index: null,
+    error: null
 }
 
-const Events = [
-    /* eventName: [callbacks], */
-]
+const Events = {
+    entries: { /* eventName: [callbacks], */ },
+    history: [ /* { eventName, params, }, */ ]
+}
 
 export default {
     react() {
-        let url = window.location.pathname;
-        if (url === '/') {
-            url = encodeURI(Routes.index());
-            history.replaceState({}, '', url);
-        } else {
-            Routes.other(decodeURI(url));
+        let path = decodeURI(window.location.pathname);
+        if (path === '/') {
+            if (! Routes.index) return;
+            history.replaceState({}, '', Routes.index);
+            return this.react();
         }
-        this.emit('ready', { url });
+
+        if (! this.route(path)) {
+            if (! Routes.error) this.emit('error');
+            return this.goto(Routes.error);
+        }
+
+        this.emit('ready');
     },
-    start() {
+    route(path) {
+        return true;
+    },
+    start(routes) {
+        Object.assign(Routes, routes);
         window.addEventListener("popstate", () => this.react());
         this.react();
     },
@@ -32,10 +42,16 @@ export default {
         this.react();
     },
     emit(event, params) {
-        Events[event]?.forEach(fn => fn(params));
+        Events.history.unshift({ event, params });
+        Events.history.length = Math.min(Events.history.length, 50);
+
+        Events.entries[event]?.forEach(fn => fn(params));
+    },
+    last(event) {
+        return Events.history.find(e => e.event === event);
     },
     on(event, callback) {
-        if (! Events[event]) Events[event] = [];
-        Events[event]?.push(callback);
+        if (! Events.entries[event]) Events.entries[event] = [];
+        Events.entries[event]?.push(callback);
     }
 }
diff --git a/src/scripts/sprachbund.js b/src/scripts/sprachbund.js
index a348076..d1aea9a 100644
--- a/src/scripts/sprachbund.js
+++ b/src/scripts/sprachbund.js
@@ -20,7 +20,7 @@ function walkSourceDir([root, parent], callback) {
     let filenames = fs.readdirSync(base);
 
     for (let name of filenames) {
-        // omit filenames starting with '.' / '_'
+        // omit filenames starting with '.' or '_'
         if (name.startsWith(".") || name.startsWith('_')) continue;
 
         let path = [base, name].join('/');
@@ -63,7 +63,9 @@ function bisect(filename) {
 }
 
 function buildMdDocs(index, ctx) /* always return falsy values */ {
-    let { attributes, body } = fm(ctx.content);
+    let content = fs.readFileSync(ctx.path, 'utf8');
+
+    let { attributes, body } = fm(content);
     let pathname = [ctx.parent, ctx.short].filter(Boolean).join('/');
 
     let text = transform.wikilink(body, href => {
@@ -116,10 +118,7 @@ function buildMdDocs(index, ctx) /* always return falsy values */ {
 
 function buildObject(index, ctx) /* always return falsy values */ {
     if (ctx.extension === 'md') {
-        let content = fs.readFileSync(ctx.path, 'utf8');
-        let context = { content, ...ctx };
-
-        return buildMdDocs(index, context);
+        return buildMdDocs(index, ctx);
     }
 
     let content = fs.readFileSync(ctx.path);
@@ -140,11 +139,9 @@ function buildObject(index, ctx) /* always return falsy values */ {
     fs.writeFileSync(path, content);
 }
 
-function buildIndex(config, vault) {
+function buildIndex(config) {
     let metadata = Index.Metadata(config["metadata"]);
-    let view = Index.View(config["view"]);
-
-    let index = new Index(view, metadata, {});
+    let index = new Index(metadata, {});
 
     if (! fs.existsSync(PATH.INDEX)) {
         // create index if not found