diff --git a/svelte/rollup.config.js b/svelte/rollup.config.js
index 73bc23c..6d1a975 100644
--- a/svelte/rollup.config.js
+++ b/svelte/rollup.config.js
@@ -29,6 +29,8 @@ export default [
 		file: `${builddir}/${name}.js`,
 	},
 	plugins: [
+		sveltePreprocess(),
+
 		svelte({
 			preprocess: sveltePreprocess(),
 			compilerOptions: {
diff --git a/svelte/src/file_viewer/Sharebar.svelte b/svelte/src/file_viewer/Sharebar.svelte
index dd93f33..cc13c2f 100644
--- a/svelte/src/file_viewer/Sharebar.svelte
+++ b/svelte/src/file_viewer/Sharebar.svelte
@@ -66,6 +66,7 @@ const share_tumblr = () => {
 	overflow-y: scroll;
 	overflow-x: hidden;
 	background: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	border-top-left-radius: 16px;
 	border-bottom-left-radius: 16px;
 	text-align: center;
diff --git a/svelte/src/file_viewer/viewers/Video.svelte b/svelte/src/file_viewer/viewers/Video.svelte
index 38827df..e1eec1b 100644
--- a/svelte/src/file_viewer/viewers/Video.svelte
+++ b/svelte/src/file_viewer/viewers/Video.svelte
@@ -240,6 +240,7 @@ h1 {
 	flex-direction: row;
 	overflow: auto;
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	padding: 0 2px 2px 2px;
 	align-items: center;
 }
@@ -259,6 +260,7 @@ h1 {
 }
 .compatibility_warning {
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	border-bottom: 2px solid #6666FF;
 	padding: 4px;
 }
diff --git a/svelte/src/filesystem/Breadcrumbs.svelte b/svelte/src/filesystem/Breadcrumbs.svelte
index db5fdc4..8bd4e40 100644
--- a/svelte/src/filesystem/Breadcrumbs.svelte
+++ b/svelte/src/filesystem/Breadcrumbs.svelte
@@ -1,5 +1,5 @@
 <script>
-import { fs_encode_path } from "./FilesystemAPI";
+import { fs_encode_path } from "./FilesystemAPI.mjs";
 
 export let nav
 </script>
diff --git a/svelte/src/filesystem/DetailsWindow.svelte b/svelte/src/filesystem/DetailsWindow.svelte
index 0115d87..b99661e 100644
--- a/svelte/src/filesystem/DetailsWindow.svelte
+++ b/svelte/src/filesystem/DetailsWindow.svelte
@@ -2,7 +2,7 @@
 import Chart from "../util/Chart.svelte";
 import { formatDataVolume, formatDate, formatThousands } from "../util/Formatting.svelte";
 import Modal from "../util/Modal.svelte";
-import { fs_path_url, fs_timeseries } from "./FilesystemAPI";
+import { fs_path_url, fs_timeseries } from "./FilesystemAPI.mjs";
 import { generate_share_path, generate_share_url } from "./Sharebar.svelte";
 import { color_by_name } from "../util/Util.svelte";
 import { tick } from "svelte";
@@ -121,7 +121,7 @@ let update_chart = async (base, timespan, interval) => {
 </script>
 
 <Modal bind:visible={visible} title="Details" width={($nav.base.type === "file" ? 1000 : 750) + "px"}>
-	<table style="width: 100%;">
+	<table>
 		<tbody>
 			<tr>
 				<td>Name</td>
@@ -132,11 +132,15 @@ let update_chart = async (base, timespan, interval) => {
 				<td>{$nav.base.path}</td>
 			</tr>
 			<tr>
-				<td>Created</td>
+				<td>Created by user</td>
+				<td>{$nav.base.created_by}</td>
+			</tr>
+			<tr>
+				<td>Creation date</td>
 				<td>{formatDate($nav.base.created, true, true, true)}</td>
 			</tr>
 			<tr>
-				<td>Modified</td>
+				<td>Modification date</td>
 				<td>{formatDate($nav.base.modified, true, true, true)}</td>
 			</tr>
 			<tr>
@@ -216,6 +220,11 @@ let update_chart = async (base, timespan, interval) => {
 </Modal>
 
 <style>
+table {
+	/* yes this sucks, sue me */
+	width: 98%;
+	margin: auto;
+}
 td:first-child {
 	word-break: keep-all;
 }
diff --git a/svelte/src/filesystem/FSNavigator.ts b/svelte/src/filesystem/FSNavigator.ts
index 7aa1b16..53130c6 100644
--- a/svelte/src/filesystem/FSNavigator.ts
+++ b/svelte/src/filesystem/FSNavigator.ts
@@ -1,5 +1,5 @@
-import { fs_get_node, fs_encode_path, fs_split_path } from "./FilesystemAPI";
-import type { FSNode, FSPath, FSPermissions, FSContext } from "./FilesystemAPI";
+import { fs_get_node, fs_encode_path, fs_split_path } from "./FilesystemAPI.mjs";
+import type { FSNode, FSPath, FSPermissions, FSContext } from "./FilesystemAPI.mjs";
 import type { Writable } from "svelte/store"
 
 export class FSNavigator {
diff --git a/svelte/src/filesystem/FileStats.svelte b/svelte/src/filesystem/FileStats.svelte
index f882dfe..5a3faf8 100644
--- a/svelte/src/filesystem/FileStats.svelte
+++ b/svelte/src/filesystem/FileStats.svelte
@@ -1,7 +1,7 @@
 <script>
 import { onMount } from "svelte";
 import { formatDataVolume, formatThousands } from "../util/Formatting.svelte"
-import { fs_path_url } from "./FilesystemAPI";
+import { fs_path_url } from "./FilesystemAPI.mjs";
 
 export let nav
 
diff --git a/svelte/src/filesystem/Filesystem.svelte b/svelte/src/filesystem/Filesystem.svelte
index 1e64e52..130f957 100644
--- a/svelte/src/filesystem/Filesystem.svelte
+++ b/svelte/src/filesystem/Filesystem.svelte
@@ -7,7 +7,7 @@ import Breadcrumbs from './Breadcrumbs.svelte';
 import DetailsWindow from './DetailsWindow.svelte';
 import FilePreview from './viewers/FilePreview.svelte';
 import FSUploadWidget from './upload_widget/FSUploadWidget.svelte';
-import { fs_path_url } from './FilesystemAPI';
+import { fs_path_url } from './FilesystemAPI.mjs';
 import Menu from './Menu.svelte';
 import { FSNavigator } from "./FSNavigator"
 import { writable } from 'svelte/store';
@@ -226,6 +226,7 @@ const download = () => {
 	text-align: left;
 	box-shadow: none;
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 }
 
 /* File preview area (row 2) */
@@ -243,6 +244,7 @@ const download = () => {
 	flex-direction: column;
 	text-align: center;
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 }
 
 /* This max-width needs to be synced with the .toolbar max-width in
diff --git a/svelte/src/filesystem/FilesystemAPI.ts b/svelte/src/filesystem/FilesystemAPI.mts
similarity index 92%
rename from svelte/src/filesystem/FilesystemAPI.ts
rename to svelte/src/filesystem/FilesystemAPI.mts
index e489ffd..41a5dda 100644
--- a/svelte/src/filesystem/FilesystemAPI.ts
+++ b/svelte/src/filesystem/FilesystemAPI.mts
@@ -22,6 +22,7 @@ export type FSNode = {
 	modified: Date,
 	mode_string: string,
 	mode_octal: string,
+	created_by: string,
 
 	abuse_type: string | undefined,
 	abuse_report_time: Date | undefined,
@@ -31,15 +32,16 @@ export type FSNode = {
 	sha256_sum: string,
 
 	id: string | undefined,
-	read_password: string | undefined,
-	write_password: string | undefined,
 	properties: {} | undefined,
+	link_permissions: FSPermissions | undefined,
+	user_permissions: [string: FSPermissions] | undefined,
+	password_permissions: [string: FSPermissions] | undefined,
 }
 
 export type FSPermissions = {
-	create: boolean,
+	owner: boolean,
 	read: boolean,
-	update: boolean,
+	write: boolean,
 	delete: boolean,
 }
 
@@ -56,6 +58,12 @@ export type NodeOptions = {
 	modified: Date | undefined,
 	shared: boolean | undefined,
 
+	// Permissions
+	link_permissions: FSPermissions | undefined,
+	user_permissions: FSPermissions | undefined,
+	password_permissions: FSPermissions | undefined,
+
+	// Branding
 	branding_enabled: boolean | undefined,
 	brand_input_color: string | undefined,
 	brand_highlight_color: string | undefined,
@@ -116,8 +124,12 @@ export const fs_update = async (path: string, opts: NodeOptions) => {
 	form.append("action", "update")
 
 	for (let key of Object.keys(opts)) {
-		if ((key === "created" || key === "modified") && opts[key] !== undefined) {
+		if (opts[key] === undefined) {
+			continue
+		} else if ((key === "created" || key === "modified")) {
 			form.append(key, opts[key].toISOString())
+		} else if (typeof opts[key] === "object") {
+			form.append(key, JSON.stringify(opts[key]))
 		} else {
 			form.append(key, opts[key])
 		}
diff --git a/svelte/src/filesystem/Sharebar.svelte b/svelte/src/filesystem/Sharebar.svelte
index fcb372f..9d7d8e4 100644
--- a/svelte/src/filesystem/Sharebar.svelte
+++ b/svelte/src/filesystem/Sharebar.svelte
@@ -31,7 +31,7 @@ export const generate_share_path = path => {
 </script>
 
 <script>
-import { fs_update, fs_encode_path } from "./FilesystemAPI";
+import { fs_update, fs_encode_path } from "./FilesystemAPI.mjs";
 
 export let visible = false
 export let share_url = ""
@@ -134,6 +134,7 @@ const share_tumblr = () => {
 	overflow-x: hidden;
 	float: left;
 	background: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	text-align: center;
 	overflow: hidden;
 	opacity: 0;
diff --git a/svelte/src/filesystem/Toolbar.svelte b/svelte/src/filesystem/Toolbar.svelte
index c4dcaff..cc259e0 100644
--- a/svelte/src/filesystem/Toolbar.svelte
+++ b/svelte/src/filesystem/Toolbar.svelte
@@ -106,7 +106,7 @@ let expand = e => {
 		{/if}
 
 		<!-- Share button is enabled when: The browser has a sharing API, or the user can edit the file (to enable sharing)-->
-		{#if $nav.base.id !== "me" && (navigator.share !== undefined || $nav.permissions.update === true)}
+		{#if $nav.base.id !== "me" && (navigator.share !== undefined || $nav.permissions.write === true)}
 			<button on:click={share}>
 				<i class="icon">share</i>
 				<span>Share</span>
@@ -133,7 +133,7 @@ let expand = e => {
 			<span>Deta<u>i</u>ls</span>
 		</button>
 
-		{#if $nav.base.id !== "me" && $nav.permissions.update === true}
+		{#if $nav.base.id !== "me" && $nav.permissions.write === true}
 			<button on:click={() => edit_window.edit(nav.base, true, "file")} class:button_highlight={edit_visible}>
 				<i class="icon">edit</i>
 				<span><u>E</u>dit</span>
@@ -149,6 +149,7 @@ let expand = e => {
 	overflow-y: scroll;
 	transition: max-height 0.3s;
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 }
 .grid {
 	display: grid;
diff --git a/svelte/src/filesystem/edit_window/AccessControl.svelte b/svelte/src/filesystem/edit_window/AccessControl.svelte
new file mode 100644
index 0000000..dfe2efa
--- /dev/null
+++ b/svelte/src/filesystem/edit_window/AccessControl.svelte
@@ -0,0 +1,137 @@
+<script lang="ts">
+import Button from "../../layout/Button.svelte";
+import type { FSNode, FSPermissions } from "../FilesystemAPI.mjs";
+import PermissionButton from "./PermissionButton.svelte";
+
+export let file: FSNode
+
+let new_user_id = ""
+let new_user_perms = <FSPermissions>{read: true}
+const add_user = (e: SubmitEvent) => {
+	e.preventDefault()
+	if (file.user_permissions === undefined) {
+		file.user_permissions = <[string: FSPermissions]>{}
+	}
+	file.user_permissions[new_user_id] = structuredClone(new_user_perms)
+}
+const del_user = (id: string) => {
+	delete file.user_permissions[id]
+	file.user_permissions = file.user_permissions
+}
+
+let new_password = ""
+let new_password_perms = <FSPermissions>{read: true}
+const add_password = (e: SubmitEvent) => {
+	e.preventDefault()
+	if (file.password_permissions === undefined) {
+		file.password_permissions = <[string: FSPermissions]>{}
+	}
+	file.password_permissions[new_password] = structuredClone(new_password_perms)
+}
+const del_password = (pass: string) => {
+	delete file.password_permissions[pass]
+	file.password_permissions = file.password_permissions
+}
+</script>
+
+<p>
+	Access controls are only available for users with an account currently. Even
+	if you set 'Anyone with the link' to write, they will need to be logged in
+	to write to the directory.
+</p>
+<p>
+	Users can always delete files they uploaded themselves, even if they don't
+	have delete permissions. You can see who the owner of a file is in the
+	Details window.
+</p>
+<h2>Link permissions</h2>
+<div class="row">
+	<div class="grow id">
+		Anyone with the link can...
+	</div>
+	<div class="perms">
+		<PermissionButton bind:permissions={file.link_permissions}/>
+	</div>
+</div>
+
+<h2>User permissions</h2>
+<p>
+	Enter a username here to give them access to this directory. The user will
+	not receive an e-mail invite. Giving write access to a user without giving
+	read access as well does not actually allow them to write anything.
+</p>
+<form on:submit={add_user} class="row">
+	<input type="text" bind:value={new_user_id} placeholder="Username" class="grow" size="1">
+	<Button type="submit" icon="add" label="Add"/>
+	<div class="perms">
+		<PermissionButton bind:permissions={new_user_perms}/>
+	</div>
+</form>
+{#if file.user_permissions !== undefined}
+	{#each Object.keys(file.user_permissions) as id (id)}
+		<div class="row">
+			<Button click={() => del_user(id)} icon="delete"/>
+			<div class="grow id">
+				{id}
+			</div>
+			<div class="perms">
+				<PermissionButton bind:permissions={file.user_permissions[id]}/>
+			</div>
+		</div>
+	{/each}
+{/if}
+
+<h2>Password permissions</h2>
+<p>
+	Allow users to enter a password to give them access to this directory.
+</p>
+<p>
+	<b>This feature is not implemented currently!</b>
+</p>
+<form on:submit={add_password} class="row">
+	<input type="text" bind:value={new_password} placeholder="Password" class="grow" size="1">
+	<Button type="submit" icon="add" label="Add"/>
+	<div class="perms">
+		<PermissionButton bind:permissions={new_password_perms}/>
+	</div>
+</form>
+{#if file.password_permissions !== undefined}
+	{#each Object.keys(file.password_permissions) as password (password)}
+		<div class="row">
+			<Button click={() => del_password(password)} icon="delete"/>
+			<div class="grow id">
+				{password}
+			</div>
+			<div class="perms">
+				<PermissionButton bind:permissions={file.password_permissions[password]}/>
+			</div>
+		</div>
+	{/each}
+{/if}
+
+<style>
+.row {
+	display: flex;
+	flex-direction: row;
+	flex-wrap: wrap;
+	border-bottom: 1px solid var(--separator);
+	margin-bottom: 2px;
+	padding-bottom: 2px;
+}
+.row > .grow {
+	min-width: 150px;
+	flex: 1 1 content;
+}
+.row > * {
+	flex: 0 0 content;
+}
+.id {
+	margin-left: 0.5em;
+	display: flex;
+	align-items: center;
+}
+.perms {
+	text-align: right;
+	margin-left: 0.5em;
+}
+</style>
diff --git a/svelte/src/filesystem/edit_window/Branding.js b/svelte/src/filesystem/edit_window/Branding.js
index 5f9a037..7df9e43 100644
--- a/svelte/src/filesystem/edit_window/Branding.js
+++ b/svelte/src/filesystem/edit_window/Branding.js
@@ -68,7 +68,7 @@ const add_styles = (style, properties) => {
 		style.body_color = properties.brand_body_color
 		style.body_background = properties.brand_body_color
 		style.body_text_color = add_contrast(properties.brand_body_color, 75)
-		style.shaded_background = set_alpha(properties.brand_body_color, 0.8)
+		style.shaded_background = set_alpha(properties.brand_body_color, 0.75)
 		style.separator = add_contrast(properties.brand_body_color, 8)
 		style.shadow_color = darken(properties.brand_body_color, 0.8)
 	}
diff --git a/svelte/src/filesystem/edit_window/BrandingOptions.svelte b/svelte/src/filesystem/edit_window/BrandingOptions.svelte
index 9d5323a..4f30370 100644
--- a/svelte/src/filesystem/edit_window/BrandingOptions.svelte
+++ b/svelte/src/filesystem/edit_window/BrandingOptions.svelte
@@ -1,7 +1,7 @@
 <script>
 import { createEventDispatcher } from "svelte";
 import FilePicker from "../filemanager/FilePicker.svelte";
-import { fs_update, fs_node_type } from "../FilesystemAPI";
+import { fs_update, fs_node_type } from "../FilesystemAPI.mjs";
 import CustomBanner from "../viewers/CustomBanner.svelte";
 import HelpButton from "../../layout/HelpButton.svelte";
 let dispatch = createEventDispatcher()
diff --git a/svelte/src/filesystem/edit_window/EditWindow.svelte b/svelte/src/filesystem/edit_window/EditWindow.svelte
index 2ac6090..5dddce3 100644
--- a/svelte/src/filesystem/edit_window/EditWindow.svelte
+++ b/svelte/src/filesystem/edit_window/EditWindow.svelte
@@ -1,10 +1,11 @@
 <script>
-import { fs_rename, fs_update } from "../FilesystemAPI";
+import { fs_rename, fs_update } from "../FilesystemAPI.mjs";
 import Modal from "../../util/Modal.svelte";
 import BrandingOptions from "./BrandingOptions.svelte";
 import { branding_from_node } from "./Branding";
 import FileOptions from "./FileOptions.svelte";
 import SharingOptions from "./SharingOptions.svelte";
+import AccessControl from "./AccessControl.svelte";
 
 export let nav
 let file = {
@@ -40,6 +41,11 @@ export const edit = (f, oae = false, open_tab = "") => {
 		file.properties = {}
 	}
 
+	if (shared && file.link_permissions === undefined) {
+		// Default to read-only for public links
+		file.link_permissions = {read: true, write: false, delete: false}
+	}
+
 	branding_enabled = file.properties.branding_enabled === "true"
 	if (branding_enabled) {
 		custom_css = branding_from_node(file)
@@ -76,7 +82,9 @@ const save = async (keep_editing = false) => {
 	let new_file
 	try {
 		nav.set_loading(true)
-		let opts = {shared: shared}
+		let opts = {
+			shared: shared,
+		}
 
 		opts.branding_enabled = branding_enabled ? "true" : ""
 
@@ -89,6 +97,16 @@ const save = async (keep_editing = false) => {
 			}
 		}
 
+		if (shared && file.link_permissions !== undefined) {
+			opts.link_permissions = file.link_permissions
+		}
+		if (shared && file.user_permissions !== undefined) {
+			opts.user_permissions = file.user_permissions
+		}
+		if (shared && file.password_permissions !== undefined) {
+			opts.password_permissions = file.password_permissions
+		}
+
 		new_file = await fs_update(file.path, opts)
 
 		if (new_name !== file.name) {
@@ -135,6 +153,12 @@ const save = async (keep_editing = false) => {
 			<i class="icon">share</i>
 			Sharing
 		</button>
+		{#if shared && $nav.permissions.owner}
+			<button class:button_highlight={tab === "access"} on:click={() => tab = "access"}>
+				<i class="icon">key</i>
+				Access control
+			</button>
+		{/if}
 		<button class:button_highlight={tab === "branding"} on:click={() => tab = "branding"}>
 			<i class="icon">palette</i>
 			Branding
@@ -153,11 +177,9 @@ const save = async (keep_editing = false) => {
 				bind:open_after_edit
 			/>
 		{:else if tab === "share"}
-			<SharingOptions
-				bind:file
-				bind:shared
-				on:save={() => save(true)}
-			/>
+			<SharingOptions bind:file bind:shared on:save={() => save(true)} />
+		{:else if tab === "access"}
+			<AccessControl bind:file bind:shared />
 		{:else if tab === "branding"}
 			<BrandingOptions
 				bind:enabled={branding_enabled}
diff --git a/svelte/src/filesystem/edit_window/FileOptions.svelte b/svelte/src/filesystem/edit_window/FileOptions.svelte
index ee71575..7d822fa 100644
--- a/svelte/src/filesystem/edit_window/FileOptions.svelte
+++ b/svelte/src/filesystem/edit_window/FileOptions.svelte
@@ -1,6 +1,6 @@
 <script>
 import Button from "../../layout/Button.svelte";
-import { fs_delete_all } from "../FilesystemAPI";
+import { fs_delete_all } from "../FilesystemAPI.mjs";
 import PathLink from "../util/PathLink.svelte";
 
 export let nav
@@ -47,12 +47,14 @@ const delete_file = async e => {
 	<label for="file_name">Name</label>
 	<input form="edit_form" bind:value={new_name} id="file_name" type="text" class="form_input" disabled={is_root_dir}/>
 </div>
-<h2>Delete</h2>
-<p>
-	Delete this file or directory. If this is a directory then all
-	subfiles will be deleted as well. This action cannot be undone.
-</p>
-<Button click={delete_file} red icon="delete" label="Delete" style="align-self: flex-start;"/>
+{#if $nav.permissions.delete === true}
+	<h2>Delete</h2>
+	<p>
+		Delete this file or directory. If this is a directory then all
+		subfiles will be deleted as well. This action cannot be undone.
+	</p>
+	<Button click={delete_file} red icon="delete" label="Delete" style="align-self: flex-start;"/>
+{/if}
 
 <style>
 .form_grid {
diff --git a/svelte/src/filesystem/edit_window/PermissionButton.svelte b/svelte/src/filesystem/edit_window/PermissionButton.svelte
new file mode 100644
index 0000000..5a0660e
--- /dev/null
+++ b/svelte/src/filesystem/edit_window/PermissionButton.svelte
@@ -0,0 +1,10 @@
+<script lang="ts">
+import ToggleButton from "../../layout/ToggleButton.svelte";
+import type { FSPermissions } from "../FilesystemAPI.mjs";
+
+export let permissions = <FSPermissions>{}
+</script>
+
+<ToggleButton group_first bind:on={permissions.read}>Read</ToggleButton>
+<ToggleButton group_middle bind:on={permissions.write}>Write</ToggleButton>
+<ToggleButton group_last bind:on={permissions.delete}>Delete</ToggleButton>
diff --git a/svelte/src/filesystem/filemanager/CreateDirectory.svelte b/svelte/src/filesystem/filemanager/CreateDirectory.svelte
index be3935d..4ff6e60 100644
--- a/svelte/src/filesystem/filemanager/CreateDirectory.svelte
+++ b/svelte/src/filesystem/filemanager/CreateDirectory.svelte
@@ -1,6 +1,6 @@
 <script>
 import { onMount } from "svelte";
-import { fs_mkdir } from "../FilesystemAPI.js";
+import { fs_mkdir } from "../FilesystemAPI.mjs";
 import Button from "../../layout/Button.svelte";
 
 export let nav;
@@ -22,7 +22,7 @@ let create_dir = async () => {
 		if (err.value && err.value === "node_already_exists") {
 			error_msg = "A directory with this name already exists"
 		} else {
-			error_msg = "Server returned an error: "+err
+			error_msg = "Server returned an error: code: '"+err.value+"' message: "+err.message
 		}
 	} finally {
 		nav.set_loading(false)
diff --git a/svelte/src/filesystem/filemanager/FileImporter.svelte b/svelte/src/filesystem/filemanager/FileImporter.svelte
index a6c8c8e..833a1b5 100644
--- a/svelte/src/filesystem/filemanager/FileImporter.svelte
+++ b/svelte/src/filesystem/filemanager/FileImporter.svelte
@@ -1,6 +1,6 @@
 <script>
 import FilePicker from "../../file_viewer/FilePicker.svelte";
-import { fs_import } from "../FilesystemAPI";
+import { fs_import } from "../FilesystemAPI.mjs";
 
 export let nav
 let file_picker
diff --git a/svelte/src/filesystem/filemanager/FileManager.svelte b/svelte/src/filesystem/filemanager/FileManager.svelte
index 80ed0d8..fab7da9 100644
--- a/svelte/src/filesystem/filemanager/FileManager.svelte
+++ b/svelte/src/filesystem/filemanager/FileManager.svelte
@@ -1,5 +1,5 @@
 <script>
-import { fs_delete_all, fs_rename } from './../FilesystemAPI.ts'
+import { fs_delete_all, fs_rename } from '../FilesystemAPI.mjs'
 import { onMount } from 'svelte'
 import CreateDirectory from './CreateDirectory.svelte'
 import ListView from './ListView.svelte'
@@ -298,7 +298,7 @@ onMount(() => {
 				</button>
 
 				<div class="toolbar_spacer"></div>
-				{#if $nav.permissions.update}
+				{#if $nav.permissions.write}
 					<button on:click={() => upload_widget.pick_files()} title="Upload files to this directory">
 						<i class="icon">cloud_upload</i>
 					</button>
@@ -407,6 +407,7 @@ onMount(() => {
 	margin: auto;
 	padding: 0;
 	background: var(--shaded_background);
+	backdrop-filter: blur(4px);
 }
 .toolbar {
 	display: flex;
diff --git a/svelte/src/filesystem/filemanager/GalleryView.svelte b/svelte/src/filesystem/filemanager/GalleryView.svelte
index 77aedb9..01c3f59 100644
--- a/svelte/src/filesystem/filemanager/GalleryView.svelte
+++ b/svelte/src/filesystem/filemanager/GalleryView.svelte
@@ -1,6 +1,6 @@
 <script>
 import { createEventDispatcher } from "svelte"
-import { fs_node_icon, fs_node_type, fs_encode_path } from "./../FilesystemAPI";
+import { fs_node_icon, fs_node_type, fs_encode_path } from "../FilesystemAPI.mjs";
 let dispatch = createEventDispatcher()
 
 export let nav
diff --git a/svelte/src/filesystem/filemanager/ListView.svelte b/svelte/src/filesystem/filemanager/ListView.svelte
index 1355f6c..a6ae93d 100644
--- a/svelte/src/filesystem/filemanager/ListView.svelte
+++ b/svelte/src/filesystem/filemanager/ListView.svelte
@@ -1,7 +1,7 @@
 <script>
 import { createEventDispatcher } from "svelte";
 import { formatDataVolume } from "./../../util/Formatting.svelte";
-import { fs_encode_path, fs_node_icon } from "./../FilesystemAPI"
+import { fs_encode_path, fs_node_icon } from "../FilesystemAPI.mjs"
 
 let dispatch = createEventDispatcher()
 
@@ -57,7 +57,7 @@ export let hide_branding = false
 							<i class="icon">palette</i>
 						</button>
 					{/if}
-					{#if $nav.permissions.update && !hide_edit}
+					{#if $nav.permissions.write && !hide_edit}
 						<button class="action_button" on:click|preventDefault|stopPropagation={() => dispatch("node_settings", index)}>
 							<i class="icon">edit</i>
 						</button>
@@ -69,11 +69,11 @@ export let hide_branding = false
 </div>
 
 <style>
-
 .directory {
 	display: table;
 	margin: 8px auto 16px auto;
-	background: var(--body_color);
+	background: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	border-collapse: collapse;
 	border-radius: 8px;
 
diff --git a/svelte/src/filesystem/filemanager/SearchBar.svelte b/svelte/src/filesystem/filemanager/SearchBar.svelte
index ea5324c..fbe6c49 100644
--- a/svelte/src/filesystem/filemanager/SearchBar.svelte
+++ b/svelte/src/filesystem/filemanager/SearchBar.svelte
@@ -1,6 +1,6 @@
 <script>
 import { onMount } from "svelte";
-import { fs_search, fs_encode_path, fs_thumbnail_url } from "../FilesystemAPI";
+import { fs_search, fs_encode_path, fs_thumbnail_url } from "../FilesystemAPI.mjs";
 
 export let nav
 
diff --git a/svelte/src/filesystem/upload_widget/UploadFunc.ts b/svelte/src/filesystem/upload_widget/UploadFunc.ts
index 3cb0144..e787c7b 100644
--- a/svelte/src/filesystem/upload_widget/UploadFunc.ts
+++ b/svelte/src/filesystem/upload_widget/UploadFunc.ts
@@ -9,7 +9,7 @@
 //
 // on_error is called when the upload has failed. The parameters are the error
 
-import { fs_path_url, type GenericResponse } from "./../FilesystemAPI"
+import { fs_path_url, type GenericResponse } from "../FilesystemAPI.mjs"
 
 // code and an error message
 export const upload_file = (
diff --git a/svelte/src/filesystem/viewers/Audio.svelte b/svelte/src/filesystem/viewers/Audio.svelte
index 0cfba81..955e0c3 100644
--- a/svelte/src/filesystem/viewers/Audio.svelte
+++ b/svelte/src/filesystem/viewers/Audio.svelte
@@ -1,6 +1,6 @@
 <script>
 import { onMount } from 'svelte'
-import { fs_path_url, fs_encode_path, fs_node_icon } from "../../filesystem/FilesystemAPI.ts"
+import { fs_path_url, fs_encode_path, fs_node_icon } from "../FilesystemAPI.mjs"
 import FileTitle from "../../layout/FileTitle.svelte";
 import TextBlock from "../../layout/TextBlock.svelte"
 
diff --git a/svelte/src/filesystem/viewers/File.svelte b/svelte/src/filesystem/viewers/File.svelte
index eb4b087..f453d14 100644
--- a/svelte/src/filesystem/viewers/File.svelte
+++ b/svelte/src/filesystem/viewers/File.svelte
@@ -1,7 +1,7 @@
 <script>
 import { createEventDispatcher } from "svelte";
 import IconBlock from "../../layout/IconBlock.svelte";
-import { fs_thumbnail_url } from "../FilesystemAPI";
+import { fs_thumbnail_url } from "../FilesystemAPI.mjs";
 import TextBlock from "../../layout/TextBlock.svelte"
 let dispatch = createEventDispatcher()
 
diff --git a/svelte/src/filesystem/viewers/FilePreview.svelte b/svelte/src/filesystem/viewers/FilePreview.svelte
index 0c666fc..a02176c 100644
--- a/svelte/src/filesystem/viewers/FilePreview.svelte
+++ b/svelte/src/filesystem/viewers/FilePreview.svelte
@@ -1,7 +1,7 @@
 <script>
 import { onMount, tick } from "svelte";
 import Spinner from "../../util/Spinner.svelte";
-import { fs_node_type, fs_thumbnail_url } from "./../FilesystemAPI";
+import { fs_node_type, fs_thumbnail_url } from "../FilesystemAPI.mjs";
 import FileManager from "../filemanager/FileManager.svelte";
 import Audio from "./Audio.svelte";
 import File from "./File.svelte";
diff --git a/svelte/src/filesystem/viewers/Image.svelte b/svelte/src/filesystem/viewers/Image.svelte
index af1cab2..151173d 100644
--- a/svelte/src/filesystem/viewers/Image.svelte
+++ b/svelte/src/filesystem/viewers/Image.svelte
@@ -1,7 +1,7 @@
 <script>
 import { createEventDispatcher } from "svelte";
 import { swipe_nav } from "../../lib/SwipeNavigate.ts";
-import { fs_path_url } from "./../FilesystemAPI.ts";
+import { fs_path_url } from "../FilesystemAPI.mjs";
 
 let dispatch = createEventDispatcher();
 
diff --git a/svelte/src/filesystem/viewers/PDF.svelte b/svelte/src/filesystem/viewers/PDF.svelte
index c2fd02c..c9e2ae3 100644
--- a/svelte/src/filesystem/viewers/PDF.svelte
+++ b/svelte/src/filesystem/viewers/PDF.svelte
@@ -1,5 +1,5 @@
 <script>
-import { fs_path_url } from "../FilesystemAPI";
+import { fs_path_url } from "../FilesystemAPI.mjs";
 
 export let nav
 </script>
diff --git a/svelte/src/filesystem/viewers/Text.svelte b/svelte/src/filesystem/viewers/Text.svelte
index fdf06dc..db83bd6 100644
--- a/svelte/src/filesystem/viewers/Text.svelte
+++ b/svelte/src/filesystem/viewers/Text.svelte
@@ -1,6 +1,6 @@
 <script>
 import { tick } from "svelte";
-import { fs_path_url } from "../FilesystemAPI";
+import { fs_path_url } from "../FilesystemAPI.mjs";
 
 export let nav
 let text_type = "text"
diff --git a/svelte/src/filesystem/viewers/Torrent.svelte b/svelte/src/filesystem/viewers/Torrent.svelte
index 5326ba0..90b5153 100644
--- a/svelte/src/filesystem/viewers/Torrent.svelte
+++ b/svelte/src/filesystem/viewers/Torrent.svelte
@@ -5,7 +5,7 @@ import { formatDate } from "../../util/Formatting.svelte"
 import TorrentItem from "./TorrentItem.svelte"
 import IconBlock from "../../layout/IconBlock.svelte";
 import TextBlock from "../../layout/TextBlock.svelte"
-import { fs_node_icon, fs_path_url } from "../FilesystemAPI";
+import { fs_node_icon, fs_path_url } from "../FilesystemAPI.mjs";
 import CopyButton from "../../layout/CopyButton.svelte";
 
 let dispatch = createEventDispatcher()
diff --git a/svelte/src/filesystem/viewers/Video.svelte b/svelte/src/filesystem/viewers/Video.svelte
index 49c47c8..845969b 100644
--- a/svelte/src/filesystem/viewers/Video.svelte
+++ b/svelte/src/filesystem/viewers/Video.svelte
@@ -1,6 +1,6 @@
 <script>
 import { onMount,  createEventDispatcher, tick } from "svelte";
-import { fs_path_url } from "../FilesystemAPI";
+import { fs_path_url } from "../FilesystemAPI.mjs";
 let dispatch = createEventDispatcher()
 
 export let nav
@@ -169,6 +169,7 @@ const fullscreen = () => {
 	display: flex;
 	flex-direction: row;
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	padding: 0 2px 2px 2px;
 	align-items: center;
 }
@@ -195,6 +196,7 @@ const fullscreen = () => {
 }
 .compatibility_warning {
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	border-bottom: 2px solid #6666FF;
 	padding: 4px;
 }
diff --git a/svelte/src/filesystem/viewers/Zip.svelte b/svelte/src/filesystem/viewers/Zip.svelte
index d8114d7..aa988f1 100644
--- a/svelte/src/filesystem/viewers/Zip.svelte
+++ b/svelte/src/filesystem/viewers/Zip.svelte
@@ -4,7 +4,7 @@ import { formatDataVolume, formatDate } from "../../util/Formatting.svelte"
 import ZipItem from "../../file_viewer/viewers/ZipItem.svelte";
 import IconBlock from "../../layout/IconBlock.svelte";
 import TextBlock from "../../layout/TextBlock.svelte"
-import { fs_node_icon, fs_path_url } from "../FilesystemAPI";
+import { fs_node_icon, fs_path_url } from "../FilesystemAPI.mjs";
 
 let dispatch = createEventDispatcher()
 
diff --git a/svelte/src/layout/Button.svelte b/svelte/src/layout/Button.svelte
index a54678f..f875eed 100644
--- a/svelte/src/layout/Button.svelte
+++ b/svelte/src/layout/Button.svelte
@@ -8,13 +8,13 @@ export let disabled = false;
 export let icon = ""
 export let icon_small = false;
 export let label = ""
-export let title = ""
+export let title = null
 export let link_href = ""
 export let link_target = "_self"
 export let click = e => {}
-export let style = ""
-export let type = ""
-export let form = ""
+export let style = null
+export let type = null
+export let form = null
 
 let click_int = e => {
 	if (highlight_on_click) {
@@ -43,7 +43,7 @@ let click_int = e => {
 		style={style}
 		type={type}
 		form={form}
-		disabled={disabled ? "disabled":""}
+		disabled={disabled ? "disabled":null}
 	>
 		{#if icon !== ""}
 			<i class="icon" class:small={icon_small}>{icon}</i>
@@ -63,7 +63,7 @@ let click_int = e => {
 		class:flat
 		title={title}
 		style={style}
-		disabled={disabled ? "disabled":""}
+		disabled={disabled ? "disabled":null}
 	>
 		{#if icon !== ""}
 			<i class="icon" class:small={icon_small}>{icon}</i>
diff --git a/svelte/src/layout/IconBlock.svelte b/svelte/src/layout/IconBlock.svelte
index b8852d7..6540e2b 100644
--- a/svelte/src/layout/IconBlock.svelte
+++ b/svelte/src/layout/IconBlock.svelte
@@ -38,6 +38,7 @@ export let width = "750px"
 	vertical-align: middle;
 	overflow-wrap: anywhere;
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	border-radius: 8px;
 	padding: 8px;
 }
diff --git a/svelte/src/layout/TextBlock.svelte b/svelte/src/layout/TextBlock.svelte
index e00efe9..776c519 100644
--- a/svelte/src/layout/TextBlock.svelte
+++ b/svelte/src/layout/TextBlock.svelte
@@ -16,6 +16,7 @@ export let center = false
 	margin: 8px auto;
 
 	background-color: var(--shaded_background);
+	backdrop-filter: blur(4px);
 	border-radius: 8px;
 	padding: 8px;
 }
diff --git a/svelte/src/layout/ToggleButton.svelte b/svelte/src/layout/ToggleButton.svelte
new file mode 100644
index 0000000..7875a64
--- /dev/null
+++ b/svelte/src/layout/ToggleButton.svelte
@@ -0,0 +1,30 @@
+<script lang="ts">
+export let on = false
+export let group_first = false
+export let group_middle = false
+export let group_last = false
+</script>
+
+<button
+	on:click={() => on = !on}
+	type="button"
+	class="button"
+	class:button_highlight={on}
+	class:group_first
+	class:group_middle
+	class:group_last
+>
+	{#if on}
+		<i class="icon">check</i>
+	{:else}
+		<i class="icon">close</i>
+	{/if}
+
+	<slot></slot>
+</button>
+
+<style>
+.button {
+	flex: 0 0 content;
+}
+</style>
diff --git a/svelte/src/user_home/dashboard/CardFSHome.svelte b/svelte/src/user_home/dashboard/CardFSHome.svelte
index fbe0ffb..23d04bb 100644
--- a/svelte/src/user_home/dashboard/CardFSHome.svelte
+++ b/svelte/src/user_home/dashboard/CardFSHome.svelte
@@ -1,7 +1,7 @@
 <script>
 import { onMount } from "svelte";
 import { FSNavigator } from "../../filesystem/FSNavigator.ts"
-import { fs_encode_path, fs_node_icon } from "../../filesystem/FilesystemAPI.ts";
+import { fs_encode_path, fs_node_icon } from "../../filesystem/FilesystemAPI.mjs";
 import Button from "../../layout/Button.svelte";
 import CreateDirectory from "../../filesystem/filemanager/CreateDirectory.svelte";
 import FSUploadWidget from "../../filesystem/upload_widget/FSUploadWidget.svelte";
@@ -17,7 +17,7 @@ onMount(() => nav.navigate("/me", false))
 
 <div class="wrapper" use:drop_target={{upload: (files) => upload_widget.upload_files(files)}}>
 	<div class="toolbar">
-		{#if $nav.permissions.update}
+		{#if $nav.permissions.write}
 			<Button
 				click={() => upload_widget.pick_files()}
 				icon="cloud_upload"
diff --git a/svelte/tsconfig.json b/svelte/tsconfig.json
new file mode 100644
index 0000000..8d1aec2
--- /dev/null
+++ b/svelte/tsconfig.json
@@ -0,0 +1,6 @@
+{
+	"compilerOptions": {
+		"verbatimModuleSyntax": true,
+		"target": "ES2017",
+	}
+}
diff --git a/webcontroller/filesystem.go b/webcontroller/filesystem.go
index cbf6fc8..bb36b88 100644
--- a/webcontroller/filesystem.go
+++ b/webcontroller/filesystem.go
@@ -33,6 +33,8 @@ func (wc *WebController) serveDirectory(w http.ResponseWriter, r *http.Request,
 			http.Redirect(w, r, "/login", http.StatusSeeOther)
 		} else if err.Error() == "unavailable_for_legal_reasons" {
 			wc.serveUnavailableForLegalReasons(w, r)
+		} else if err.Error() == "permission_denied" {
+			wc.serveForbidden(w, r)
 		} else {
 			log.Error("Failed to get path: %s", err)
 			wc.templates.Run(w, r, "500", td)
diff --git a/webcontroller/style.go b/webcontroller/style.go
index 5d1f991..9836350 100644
--- a/webcontroller/style.go
+++ b/webcontroller/style.go
@@ -264,7 +264,7 @@ func (s styleSheet) String() string {
 		s.BodyBackground.CSS(),
 		s.BodyText.CSS(),
 		s.Separator.CSS(),
-		s.BodyColor.WithAlpha(0.8).CSS(), // shaded_background
+		s.BodyColor.WithAlpha(0.75).CSS(), // shaded_background
 		s.CardColor.CSS(),
 		s.Chart1.CSS(),
 		s.Chart2.CSS(),