diff --git a/package-lock.json b/package-lock.json
index 21942fa..63d7c46 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,16 @@
 {
   "name": "zierle-training-online-tools",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "zierle-training-online-tools",
-      "version": "0.1.0",
+      "version": "0.2.0",
       "dependencies": {
         "autoprefixer": "^9.8.8",
         "axios": "^0.24.0",
+        "lorem-ipsum": "^2.0.8",
         "postcss": "^7.0.39",
         "tailwind-children": "^0.5.0",
         "tailwindcss": "npm:@tailwindcss/postcss7-compat@^2.2.17",
@@ -2542,6 +2543,29 @@
       "resolved": "https://registry.npmjs.org/lodash.topath/-/lodash.topath-4.5.2.tgz",
       "integrity": "sha512-1/W4dM+35DwvE/iEd1M9ekewOSTlpFekhw9mhAtrwjVqUr83/ilQiyAvmg4tVX7Unkcfl1KC+i9WdaT4B6aQcg=="
     },
+    "node_modules/lorem-ipsum": {
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/lorem-ipsum/-/lorem-ipsum-2.0.8.tgz",
+      "integrity": "sha512-5RIwHuCb979RASgCJH0VKERn9cQo/+NcAi2BMe9ddj+gp7hujl6BI+qdOG4nVsLDpwWEJwTVYXNKP6BGgbcoGA==",
+      "dependencies": {
+        "commander": "^9.3.0"
+      },
+      "bin": {
+        "lorem-ipsum": "dist/bin/lorem-ipsum.bin.js"
+      },
+      "engines": {
+        "node": ">= 8.x",
+        "npm": ">= 5.x"
+      }
+    },
+    "node_modules/lorem-ipsum/node_modules/commander": {
+      "version": "9.4.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-9.4.0.tgz",
+      "integrity": "sha512-sRPT+umqkz90UA8M1yqYfnHlZA7fF6nSphDtxeywPZ49ysjxDQybzk13CL+mXekDRG92skbcqCLVovuCusNmFw==",
+      "engines": {
+        "node": "^12.20.0 || >=14"
+      }
+    },
     "node_modules/lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
@@ -5890,6 +5914,21 @@
       "resolved": "https://registry.npmjs.org/lodash.topath/-/lodash.topath-4.5.2.tgz",
       "integrity": "sha512-1/W4dM+35DwvE/iEd1M9ekewOSTlpFekhw9mhAtrwjVqUr83/ilQiyAvmg4tVX7Unkcfl1KC+i9WdaT4B6aQcg=="
     },
+    "lorem-ipsum": {
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/lorem-ipsum/-/lorem-ipsum-2.0.8.tgz",
+      "integrity": "sha512-5RIwHuCb979RASgCJH0VKERn9cQo/+NcAi2BMe9ddj+gp7hujl6BI+qdOG4nVsLDpwWEJwTVYXNKP6BGgbcoGA==",
+      "requires": {
+        "commander": "^9.3.0"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "9.4.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-9.4.0.tgz",
+          "integrity": "sha512-sRPT+umqkz90UA8M1yqYfnHlZA7fF6nSphDtxeywPZ49ysjxDQybzk13CL+mXekDRG92skbcqCLVovuCusNmFw=="
+        }
+      }
+    },
     "lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
diff --git a/package.json b/package.json
index cbae1af..5adefdc 100644
--- a/package.json
+++ b/package.json
@@ -3,14 +3,15 @@
   "version": "0.2.0",
   "private": true,
   "scripts": {
-	"dev": "vite",
-	"build": "vite build",
-	"serve": "vite preview",
-	"lint": "eslint --ext .js,.vue --ignore-path .gitignore --fix src"
+    "dev": "vite",
+    "build": "vite build",
+    "serve": "vite preview",
+    "lint": "eslint --ext .js,.vue --ignore-path .gitignore --fix src"
   },
   "dependencies": {
     "autoprefixer": "^9.8.8",
     "axios": "^0.24.0",
+    "lorem-ipsum": "^2.0.8",
     "postcss": "^7.0.39",
     "tailwind-children": "^0.5.0",
     "tailwindcss": "npm:@tailwindcss/postcss7-compat@^2.2.17",
diff --git a/src/api/index.js b/src/api/index.js
index 7831ee8..413f76f 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -1,7 +1,7 @@
 import axios from 'axios'
 
 const apiClient = axios.create({
-	baseURL: 'https://zierle-training-staging.riezel.com/api/v1',
+	baseURL: 'https://zierle-training.riezel.com/api/v1',
 	withCredentials: false,
 	timeout: 10000,
 	headers: {
diff --git a/src/components/NavBar.vue b/src/components/NavBar.vue
index 2e9ba07..f454f23 100644
--- a/src/components/NavBar.vue
+++ b/src/components/NavBar.vue
@@ -1,5 +1,11 @@
 <template>
-	<nav class="flex flex-row static">
+	<nav
+		class="flex flex-row fixed top-0 z-50 w-full transition-all bg-white"
+		:class="{
+			'bg-opacity-100' : showNavBg,
+			'bg-opacity-0' : !showNavBg,
+		}"
+	>
 		<router-link :to="{name: 'Home'}">Home</router-link>
 		<router-link :to="{name: 'ManagePhotos'}">Photos</router-link>
 		<router-link :to="{name: 'LogsList'}">All Logs</router-link>
@@ -13,24 +19,37 @@
 export default {
 	name: 'NavBar',
 	data() { 
-		return {}
-	}
+		return {
+			scrollThreshold: 120,
+			scrollPosition: 0,
+			showNavBg: false,
+		}
+	},
+	mounted() {
+		window.addEventListener('scroll', this.updateScrollPosition)
+	},
+	methods: {
+		updateScrollPosition() {
+			this.scrollPosition = window.scrollY
+
+			if (!this.showNavBg && this.scrollPosition >= this.scrollThreshold) {
+				this.showNavBg = true
+			} else if (this.showNavBg && this.scrollPosition <= 10) {
+				this.showNavBg = false
+			}
+		}
+	},
 }
 </script>
 
 <style scoped>
 nav {
 	width: 100%;
-	box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
-	margin-bottom: 1em;
-	background: rgba(255,255,255,0.2);
-	backdrop-filter: blur(10px);
 }
 
 a {
 	padding: 0.75em;
 	transition: all 0.15s ease-in-out;
-	border-right: 1px solid #eee;
 }
 
 .router-link-exact-active,
diff --git a/src/components/ui/PrimaryButton.vue b/src/components/ui/PrimaryButton.vue
new file mode 100644
index 0000000..4bc2d31
--- /dev/null
+++ b/src/components/ui/PrimaryButton.vue
@@ -0,0 +1,48 @@
+<template>
+	<button
+		@click="emit('click')"
+	>
+		<slot></slot>
+	</button>
+</template>
+
+<script>
+export default {
+	emits: ['click'],
+	setup () {
+		
+
+		return {}
+	}
+}
+</script>
+
+<style lang="scss" scoped>
+button {
+	transition: all .3s ease-in-out;
+	height: 3.5rem;
+	padding: 0 26px;
+	line-height: 2;
+	color: rgb(250, 251, 252);
+	overflow: hidden;
+	background: linear-gradient(180deg,rgba(66,76,222,.2),transparent 100%,rgba(66,76,222,0) 0),linear-gradient(90deg,rgba(37,6,228,.8),rgba(54,126,255,.8) 80%,rgba(54,126,255,.8)),rgba(66,76,222,.8);
+	box-shadow: 0 4px 4px rgb(0 0 0 / 8%), 0 -1px 1px rgb(0 0 0 / 8%), 0 2px 2px rgb(0 0 0 / 16%), inset 0 1px 0 hsl(0deg 0% 100% / 16%);
+	background-size: 200% 100%;
+	background-position-x: 50%;
+	cursor: pointer;
+	font-family: Eina,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;
+	font-size: .9375rem;
+	text-transform: none;
+	justify-content: center;
+	border-radius: .625rem;
+	font-weight: 700;
+}
+
+button:hover {
+	background-position-x: 98%;
+}
+
+button:active {
+	background-position-x: 0%;
+}
+</style>
diff --git a/src/views/Home.vue b/src/views/Home.vue
index 1b8b944..50cab5b 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -1,6 +1,6 @@
 <template>
 	<div>
-		<div class="banner-bg">
+		<div class="banner-bg opacity-50">
 			<div>
 				<n-gradient-text :size="40" type="success">
 					Zierle-Training
@@ -17,7 +17,9 @@
 				<n-space vertical>
 					<h2 class="font-bold text-xl mb-4">Documents</h2>
 					<a target="_blank" href='https://dev.marczierle.com/zierle-training/generate_document/modify_document.php?selection=0'>
-						<n-button type="primary">All Documents</n-button>
+						<PrimaryButton>
+							All Documents
+						</PrimaryButton>
 					</a>
 				</n-space>
 				<n-space vertical>
@@ -46,6 +48,8 @@
 			<n-button @click='set_lang("en")'>EN</n-button>
 			<n-button @click='set_lang("de")'>DE</n-button>
 			-->
+
+			{{ lorem.generateParagraphs(20) }}
 		</div>
 	</div>
 </template>
@@ -54,10 +58,29 @@
 import CameraAdd20Filled from '@vicons/fluent/CameraAdd20Filled'
 import { loadAndSetLocale } from '@/i18n.js'
 
+import PrimaryButton from '../components/ui/PrimaryButton.vue'
+
+import { LoremIpsum } from "lorem-ipsum"
+
 export default {
 	name: 'HomeView',
 	components: {
-		CameraAdd20Filled
+		CameraAdd20Filled,
+		PrimaryButton,
+	},
+	setup() {
+		const lorem = new LoremIpsum({
+			sentencesPerParagraph: {
+				max: 8,
+				min: 4
+			},
+			wordsPerSentence: {
+				max: 16,
+				min: 4
+			}
+		})
+
+		return { lorem }
 	},
 	methods: {
 		set_lang(locale) {
diff --git a/src/views/ManagePhotos.vue b/src/views/ManagePhotos.vue
index af982c5..b30b241 100644
--- a/src/views/ManagePhotos.vue
+++ b/src/views/ManagePhotos.vue
@@ -2,15 +2,50 @@
 	<div>
 		<h1 class="font-bold text-2xl m-4 my-6">Manage Photos</h1>
 		<n-collapse
-			v-if="photoGroups && photoGroups.length > 0"
+			v-if="parentPhotoGroups && parentPhotoGroups.length > 0"
 			@item-header-click="loadPhotosInGroup"
 		>
 			<n-collapse-item
-				v-for="group in photoGroups" :key="group.id"
+				v-for="group in parentPhotoGroups" :key="group.id"
 				:title="group.name"
 				:name="group.id">
 				<template #header-extra>{{ group.date }}</template>
 
+				<n-space
+					v-if="groupsInPhotogroup(group.id).length > 0"
+				>
+					<n-collapse-item
+						v-for="group in groupsInPhotogroup(group.id)" :key="group.id"
+						:title="group.name"
+						:name="group.id"
+					>
+						<template #header-extra>{{ group.date }}</template>
+
+						<div style="text-align: center">
+							<p v-if="is_group_loading.get(group.id)">loading...</p>
+							<p v-else-if="!photos[group.id]">no photos in group found</p>
+						</div>
+
+						<n-space>
+							<PhotoItem
+								v-for="(photo, idx) in photos[group.id]" :key="idx"
+								:src="getPhotoSrcById(photo.id)"
+								:can_change_group="true"
+								:can_crop="true"
+								:can_change_ocr="true"
+								:can_change_tag="true"
+								:can_delete="true"
+								:loading="photosStatus[photo.id] === 'cropping'"
+								@update:group="change_group_modal(photo.id)"
+								@update:crop="change_crop_modal(photo.id)"
+								@update:ocr="change_ocr_modal(photo.id)"
+								@update:tag="change_tag_modal(photo.id)"
+								@update:delete="change_delete_modal(photo.id)"
+							/>
+						</n-space>
+					</n-collapse-item>
+				</n-space>
+
 				<div style="text-align: center">
 					<p v-if="is_group_loading.get(group.id)">loading...</p>
 					<p v-else-if="!photos[group.id]">no photos in group found</p>
@@ -192,7 +227,7 @@ export default {
 		}
 	},
 	computed: {
-		photoGroups() {
+		allPhotoGroups() {
 			let groups = this.$store.state.photoGroups
 			if (groups !== null && groups.length > 0) {
 				groups = [...groups].sort((a,b) => {
@@ -207,6 +242,11 @@ export default {
 			}
 			return []
 		},
+		parentPhotoGroups() {
+			let groups = this.allPhotoGroups
+			groups = groups.filter(group => group.parent === undefined || group.parent === null)
+			return groups
+		},
 		photoTags() {
 			let tags = this.$store.state.photoTags
 			if (tags !== null && tags.length > 0) {
@@ -221,12 +261,12 @@ export default {
 			return this.$store.state.photosStatus
 		},
 		groups_select_options() {
-			if (this.photoGroups.length > 0) {
+			if (this.allPhotoGroups.length > 0) {
 				let options = []
-				for (const idx in this.photoGroups) {
+				for (const idx in this.allPhotoGroups) {
 					options.push({
-						value: this.photoGroups[idx].id,
-						label: this.photoGroups[idx].name,
+						value: this.allPhotoGroups[idx].id,
+						label: this.allPhotoGroups[idx].name,
 					})
 				}
 				return options
@@ -256,6 +296,11 @@ export default {
 		})
 	},
 	methods: {
+		groupsInPhotogroup(groupId) {
+			let groups = this.allPhotoGroups
+			groups = groups.filter(group => group.parent === groupId)
+			return groups
+		},
 		loadPhotosInGroup(group_data) {
 			this.is_group_loading.set(group_data.name, true)
 			if (group_data.expanded)