diff --git a/Core/Localization/de_DE/logs.php b/Core/Localization/de_DE/logs.php
new file mode 100644
index 0000000..05666aa
--- /dev/null
+++ b/Core/Localization/de_DE/logs.php
@@ -0,0 +1,16 @@
+<?php
+
+return [
+  "title" => "Systemlog",
+  "severity" => "Schweregrad",
+  "timestamp" => "Zeitpunkt",
+  "module" => "Modul",
+  "message" => "Nachricht",
+  "search" => "Suche",
+  "search_query" => "Suchanfrage",
+  "no_entries_placeholder" => "Keine Log-Einträge zum Anzeigen",
+  "timestamp_placeholder" => "Datum und Zeitpunk Auswählen zum Filtern",
+
+  // dialog
+  "fetch_log_error" => "Fehler beim Holen der Log-Einträge",
+];
\ No newline at end of file
diff --git a/Core/Localization/de_DE/permissions.php b/Core/Localization/de_DE/permissions.php
index 5d513ad..4976bb1 100644
--- a/Core/Localization/de_DE/permissions.php
+++ b/Core/Localization/de_DE/permissions.php
@@ -3,6 +3,7 @@
 return [
   "title" => "Berechtigungen",
   "title_short" => "ACL",
+  "search" => "Suche",
   "query" => "Suchanfrage",
   "add_permission" => "Berechtigung hinzufügen",
   "permission" => "Berechtigung",
diff --git a/Core/Localization/en_US/logs.php b/Core/Localization/en_US/logs.php
new file mode 100644
index 0000000..b9c23f8
--- /dev/null
+++ b/Core/Localization/en_US/logs.php
@@ -0,0 +1,16 @@
+<?php
+
+return [
+  "title" => "System Log",
+  "severity" => "Severity",
+  "timestamp" => "Timestamp",
+  "module" => "Module",
+  "message" => "Message",
+  "search" => "Search",
+  "search_query" => "Search query",
+  "no_entries_placeholder" => "No log entries to display",
+  "timestamp_placeholder" => "Select date and time to filter",
+
+  // dialog
+  "fetch_log_error" => "Error fetching log entries",
+];
\ No newline at end of file
diff --git a/Core/Localization/en_US/permissions.php b/Core/Localization/en_US/permissions.php
index fc1ab82..01c1244 100644
--- a/Core/Localization/en_US/permissions.php
+++ b/Core/Localization/en_US/permissions.php
@@ -3,6 +3,7 @@
 return [
   "title" => "Permissions",
   "title_short" => "ACL",
+  "search" => "Search",
   "query" => "Search query",
   "add_permission" => "Add permission",
   "permission" => "Permission",
diff --git a/Core/Templates/admin.twig b/Core/Templates/admin.twig
index 7d669c1..f803600 100644
--- a/Core/Templates/admin.twig
+++ b/Core/Templates/admin.twig
@@ -9,5 +9,5 @@
     <noscript>{{ L("general.noscript") }}</noscript>
     <div type="module" id="admin-panel"></div>
     <script src="/react/dist/admin-panel/index.js" nonce="{{ site.csp.nonce }}"></script>
-    <link rel="stylesheet" href="/react/dist/admin-panel/index.css" nonce="{{ site.csp.nonce }}"></link>
+    <link rel="stylesheet" href="/react/dist/admin-panel/index.css" nonce="{{ site.csp.nonce }}" />
 {% endblock %}
diff --git a/react/admin-panel/src/AdminDashboard.jsx b/react/admin-panel/src/AdminDashboard.jsx
index b964fe3..4fab9b3 100644
--- a/react/admin-panel/src/AdminDashboard.jsx
+++ b/react/admin-panel/src/AdminDashboard.jsx
@@ -37,8 +37,8 @@ export default function AdminDashboard(props) {
 
     const showDialog = useCallback((message, title, options=["Close"], onOption = null) => {
         setDialog({
-            show: true, message:
-            message,
+            show: true,
+            message: message,
             title: title,
             options: options,
             onOption: onOption,
@@ -80,27 +80,12 @@ export default function AdminDashboard(props) {
                             <Route path={"/admin/groups"} element={<GroupListView {...controlObj} />}/>
                             <Route path={"/admin/group/:groupId"} element={<EditGroupView {...controlObj} />}/>
                             <Route path={"/admin/logs"} element={<LogView {...controlObj} />}/>
-                            <Route path={"/admin/acl"} element={<AccessControlList {...controlObj} />}/>
+                            <Route path={"/admin/permissions"} element={<AccessControlList {...controlObj} />}/>
                             <Route path={"/admin/routes"} element={<RouteListView {...controlObj} />}/>
                             <Route path={"/admin/routes/:routeId"} element={<RouteEditView {...controlObj} />}/>
                             <Route path={"*"} element={<View404 />} />
                         </Routes>
                     </Suspense>
-                    {/*<Route exact={true} path={"/admin/users"}><UserOverview {...this.controlObj} /></Route>
-                                <Route path={"/admin/user/add"}><CreateUser {...this.controlObj} /></Route>
-                                <Route path={"/admin/user/edit/:userId"} render={(props) => {
-                                    let newProps = {...props, ...this.controlObj};
-                                    return <EditUser {...newProps} />
-                                }}/>
-                                <Route path={"/admin/user/permissions"}><PermissionSettings {...this.controlObj}/></Route>
-                                <Route path={"/admin/group/add"}><CreateGroup {...this.controlObj} /></Route>
-                                <Route exact={true} path={"/admin/contact/"}><ContactRequestOverview {...this.controlObj} /></Route>
-                                <Route path={"/admin/visitors"}><Visitors {...this.controlObj} /></Route>
-                                <Route path={"/admin/logs"}><Logs {...this.controlObj} notifications={this.state.notifications} /></Route>
-                                <Route path={"/admin/settings"}><Settings {...this.controlObj} /></Route>
-                                <Route path={"/admin/pages"}><PageOverview {...this.controlObj} /></Route>
-                                <Route path={"/admin/help"}><HelpPage {...this.controlObj} /></Route>
-                                <Route path={"*"}><View404 /></Route>*/}
                     <Dialog {...dialog}/>
                 </section>
             </div>
diff --git a/react/admin-panel/src/elements/sidebar.js b/react/admin-panel/src/elements/sidebar.js
index da8b2aa..6830439 100644
--- a/react/admin-panel/src/elements/sidebar.js
+++ b/react/admin-panel/src/elements/sidebar.js
@@ -44,7 +44,7 @@ export default function Sidebar(props) {
             "name": "admin.settings",
             "icon": "tools"
         },
-        "acl": {
+        "permissions": {
             "name": "admin.acl",
             "icon": "door-open"
         },
diff --git a/react/admin-panel/src/views/access-control-list.js b/react/admin-panel/src/views/access-control-list.js
index 6733709..9135b90 100644
--- a/react/admin-panel/src/views/access-control-list.js
+++ b/react/admin-panel/src/views/access-control-list.js
@@ -12,7 +12,7 @@ import {
     TableContainer,
     TableHead,
     TableRow,
-    IconButton, styled
+    IconButton, styled, FormGroup, FormLabel, FormControl, Box
 } from "@material-ui/core";
 import {Add, Delete, Edit, Refresh} from "@material-ui/icons";
 import {USER_GROUP_ADMIN} from "shared/constants";
@@ -224,39 +224,40 @@ export default function AccessControlList(props) {
             </div>
         </div>
         <div className={"row"}>
-            <div className={"col-6"}>
-                <div className={"form-group"}>
-                    <label>{L("permissions.query")}</label>
-                    <TextField
-                        className={"form-control"}
-                        placeholder={L("permissions.query") + "…"}
-                        value={query}
-                        onChange={e => setQuery(e.target.value)}
-                        variant={"outlined"}
-                        size={"small"} />
-                </div>
-            </div>
+            <FormGroup className={"col-6"}>
+                <FormLabel>{L("permissions.search")}</FormLabel>
+                <TextField
+                    placeholder={L("permissions.query") + "…"}
+                    value={query}
+                    onChange={e => setQuery(e.target.value)}
+                    variant={"outlined"}
+                    size={"small"} />
+            </FormGroup>
             <div className={"col-6 text-right"}>
-                <label>{L("general.controls")}</label>
-                <div className={"form-group"}>
-                    <Button variant={"outlined"} color={"primary"} className={"m-1"} startIcon={<Refresh />} onClick={() => onFetchACL(true)}>
+                <Box>
+                    <FormLabel>{L("general.controls")}</FormLabel>
+                </Box>
+                <Box mb={2}>
+                    <Button variant={"outlined"} color={"primary"} className={"mr-1"}
+                            startIcon={<Refresh />} onClick={() => onFetchACL(true)}>
                         {L("general.reload")}
                     </Button>
-                    <Button variant={"outlined"} className={"m-1"} startIcon={<Add />} disabled={!props.api.hasGroup(USER_GROUP_ADMIN)}
+                    <Button variant={"outlined"} startIcon={<Add />}
+                            disabled={!props.api.hasGroup(USER_GROUP_ADMIN)}
                             onClick={() => setDialogData({
                                 open: true,
                                 title: L("permissions.add_permission"),
                                 inputs: [
-                                    { type: "label", value: L("general.method") + ":" },
-                                    { type: "text", name: "method", value: "", placeholder: L("general.method") },
-                                    { type: "label", value: L("general.description") + ":" },
-                                    { type: "text", name: "description", maxLength: 128, placeholder: L("general.description") }
+                                    { type: "label", value: L("permissions.method") + ":" },
+                                    { type: "text", name: "method", value: "", placeholder: L("permissions.method") },
+                                    { type: "label", value: L("permissions.description") + ":" },
+                                    { type: "text", name: "description", maxLength: 128, placeholder: L("permissions.description") }
                                 ],
                                 onOption: (option, inputData) => option === 0 && onUpdatePermission(inputData, [])
                             })} >
                         {L("general.add")}
                     </Button>
-                </div>
+                </Box>
             </div>
         </div>
         <TableContainer component={Paper} style={{overflowX: "initial"}}>
diff --git a/react/admin-panel/src/views/group/group-list.js b/react/admin-panel/src/views/group/group-list.js
index 9c3b3d2..8c10825 100644
--- a/react/admin-panel/src/views/group/group-list.js
+++ b/react/admin-panel/src/views/group/group-list.js
@@ -62,7 +62,6 @@ export default function GroupListView(props) {
             <div className={"container-fluid"}>
                 <div className={"row mb-2"}>
                     <div className={"col-sm-6"}>
-                        <h1 className={"m-0 text-dark"}>Users</h1>
                     </div>
                     <div className={"col-sm-6"}>
                         <ol className={"breadcrumb float-sm-right"}>
diff --git a/react/admin-panel/src/views/group/index.js b/react/admin-panel/src/views/group/index.js
new file mode 100644
index 0000000..f9ac230
--- /dev/null
+++ b/react/admin-panel/src/views/group/index.js
@@ -0,0 +1,4 @@
+import EditGroupView from "./group-edit";
+import GroupListView from "./group-list";
+
+export default { EditGroupView, GroupListView };
\ No newline at end of file
diff --git a/react/admin-panel/src/views/log-view.js b/react/admin-panel/src/views/log-view.js
index 97dd80d..e04ae8c 100644
--- a/react/admin-panel/src/views/log-view.js
+++ b/react/admin-panel/src/views/log-view.js
@@ -4,12 +4,12 @@ import {Link} from "react-router-dom";
 import usePagination from "shared/hooks/pagination";
 import {DataColumn, DataTable, DateTimeColumn, NumericColumn, StringColumn} from "shared/elements/data-table";
 import {TextField} from "@mui/material";
-import {DesktopDateTimePicker} from "@mui/x-date-pickers";
+import {DateTimePicker} from "@mui/x-date-pickers";
 import { AdapterDateFns } from '@mui/x-date-pickers/AdapterDateFns';
 import { LocalizationProvider } from '@mui/x-date-pickers/LocalizationProvider';
 import {API_DATETIME_FORMAT} from "shared/constants";
 import {format, toDate} from "date-fns";
-import {Select} from "@material-ui/core";
+import {FormControl, FormGroup, FormLabel, MenuItem, Select} from "@material-ui/core";
 
 export default function LogView(props) {
 
@@ -30,7 +30,7 @@ export default function LogView(props) {
     const [forceReload, setForceReload] = useState(0);
 
     useEffect(() => {
-        requestModules(props.api, ["general"], currentLocale).then(data => {
+        requestModules(props.api, ["general", "logs"], currentLocale).then(data => {
             if (!data.success) {
                 props.showDialog("Error fetching translations: " + data.msg);
             }
@@ -38,16 +38,22 @@ export default function LogView(props) {
     }, [currentLocale]);
 
     const onFetchLogs = useCallback((page, count, orderBy, sortOrder) => {
+        let apiTimeStamp = null;
+        try {
+            if (timestamp) {
+                apiTimeStamp = format(timestamp, API_DATETIME_FORMAT);
+            }
+        } catch (e) {
+            apiTimeStamp = null;
+        }
+
         api.fetchLogEntries(page, count, orderBy, sortOrder,
-                LOG_LEVELS[logLevel],
-                timestamp ? format(timestamp, API_DATETIME_FORMAT) : null,
-                query
-        ).then((res) => {
+                LOG_LEVELS[logLevel], apiTimeStamp, query).then((res) => {
             if (res.success) {
                 setLogEntries(res.logs);
                 pagination.update(res.pagination);
             } else {
-                showDialog(res.msg, "Error fetching log entries");
+                showDialog(res.msg, L("logs.fetch_logs_error"));
                 return null;
             }
         });
@@ -59,7 +65,7 @@ export default function LogView(props) {
     }, [query, timestamp, logLevel]);
 
     const messageColumn = (() => {
-        let column = new DataColumn(L("message"), "message");
+        let column = new DataColumn(L("logs.message"), "message");
         column.sortable = false;
         column.renderData = (L, entry) => {
             return <pre>{entry.message}</pre>
@@ -69,9 +75,9 @@ export default function LogView(props) {
 
     const columnDefinitions = [
         new NumericColumn(L("general.id"), "id"),
-        new StringColumn(L("module"), "module"),
-        new StringColumn(L("severity"), "severity"),
-        new DateTimeColumn(L("timestamp"), "timestamp", { precise: true }),
+        new StringColumn(L("logs.module"), "module"),
+        new StringColumn(L("logs.severity"), "severity"),
+        new DateTimeColumn(L("logs.timestamp"), "timestamp", { precise: true }),
         messageColumn,
     ];
 
@@ -80,54 +86,55 @@ export default function LogView(props) {
             <div className={"container-fluid"}>
                 <div className={"row mb-2"}>
                     <div className={"col-sm-6"}>
-                        <h1 className={"m-0 text-dark"}>System Log</h1>
+                        <h1 className={"m-0 text-dark"}>{L("logs.title")}</h1>
                     </div>
                     <div className={"col-sm-6"}>
                         <ol className={"breadcrumb float-sm-right"}>
                             <li className={"breadcrumb-item"}><Link to={"/admin/dashboard"}>Home</Link></li>
-                            <li className="breadcrumb-item active">System Log</li>
+                            <li className="breadcrumb-item active">{L("logs.title")}</li>
                         </ol>
                     </div>
                 </div>
             </div>
             <div className={"content overflow-auto"}>
                 <div className={"row p-2"}>
-                    <div className={"col-2"}>
-                        <div className={"form-group"}>
-                            <label>{L("log.severity")}</label>
-                            <Select native className={"form-control"} value={logLevel} onChange={e => setLogLevel(parseInt(e.target.value))}>
+                    <FormGroup className={"col-2"}>
+                        <FormLabel>{L("logs.severity")}</FormLabel>
+                        <FormControl>
+                            <TextField select variant={"outlined"} size={"small"} value={logLevel}
+                                    onChange={e => setLogLevel(parseInt(e.target.value))}
+                                    inputProps={{ size: "small" }}>
                                 {LOG_LEVELS.map((value, index) =>
-                                    <option key={"option-" + value} value={index}>{value}</option>)
+                                    <MenuItem key={"option-" + value} value={index}>{value}</MenuItem>)
                                 }
-                            </Select>
-                        </div>
-                    </div>
-                    <div className={"col-4"}>
-                        <div className={"form-group"}>
-                            <label>{L("log.timestamp")}</label>
+                            </TextField>
+                        </FormControl>
+                    </FormGroup>
+                    <FormGroup className={"col-4"}>
+                        <FormLabel>{L("logs.timestamp")}</FormLabel>
+                        <FormControl>
                             <LocalizationProvider dateAdapter={AdapterDateFns}>
-                                <DesktopDateTimePicker className={"form-control"}
-                                                label={L("Select date time to filter...")}
+                                <DateTimePicker label={L("logs.timestamp_placeholder") + "…"}
                                                 value={timestamp ? toDate(new Date()) : null}
                                                 format={L("general.datefns_datetime_format_precise")}
                                                 onChange={(newValue) => setTimestamp(newValue)}
-                                                slotProps={{ textField: {  } }}
+                                                slotProps={{ textField: { size:'small' } }}
+                                                sx={{"& .MuiInputBase-input": { height: "23px", padding: 1 }}}
                                 />
                             </LocalizationProvider>
-                        </div>
-                    </div>
-                    <div className={"col-6"}>
-                        <div className={"form-group"}>
-                            <label>{L("log.query")}</label>
+                        </FormControl>
+                    </FormGroup>
+                    <FormGroup className={"col-6"}>
+                        <FormLabel>{L("logs.search")}</FormLabel>
+                        <FormControl>
                             <TextField
-                                className={"form-control"}
-                                placeholder={L("log.search_query") + "…"}
+                                placeholder={L("logs.search_query") + "…"}
                                 value={query}
                                 onChange={e => setQuery(e.target.value)}
                                 variant={"outlined"}
                                 size={"small"}/>
-                        </div>
-                    </div>
+                        </FormControl>
+                    </FormGroup>
                 </div>
                 <div className={"container-fluid"}>
                     <DataTable
@@ -138,7 +145,7 @@ export default function LogView(props) {
                         forceReload={forceReload}
                         defaultSortColumn={3}
                         defaultSortOrder={"desc"}
-                        placeholder={"No log entries to display"}
+                        placeholder={L("logs.no_entries_placeholder")}
                         columns={columnDefinitions} />
                 </div>
             </div>
diff --git a/react/admin-panel/src/views/route/index.js b/react/admin-panel/src/views/route/index.js
new file mode 100644
index 0000000..f63697e
--- /dev/null
+++ b/react/admin-panel/src/views/route/index.js
@@ -0,0 +1,4 @@
+import RouteEditView from "./route-edit";
+import RouteListView from "./route-list";
+
+export default { RouteEditView, RouteListView };
\ No newline at end of file
diff --git a/react/admin-panel/src/views/route/route-form.js b/react/admin-panel/src/views/route/route-form.js
index fd32030..12e6835 100644
--- a/react/admin-panel/src/views/route/route-form.js
+++ b/react/admin-panel/src/views/route/route-form.js
@@ -1,7 +1,8 @@
-import {Checkbox, FormControl, FormControlLabel, Select, styled, TextField} from "@material-ui/core";
+import {Box, Checkbox, FormControl, FormControlLabel, Select, styled, TextField} from "@material-ui/core";
 import * as React from "react";
 import {useCallback, useContext, useEffect, useRef} from "react";
 import {LocaleContext} from "shared/locale";
+import {CheckCircle, ErrorRounded} from "@material-ui/icons";
 
 const RouteFormControl = styled(FormControl)((props) => ({
     "& > label": {
@@ -85,11 +86,12 @@ export default function RouteForm(props) {
         );
 
         if (route.type === "dynamic") {
-            let extraArgs, type;
+            let extraArgs, type, isValid = false;
             try {
                 extraArgs = JSON.parse(route.extra);
                 type = typeof extraArgs;
                 extraArgs = JSON.stringify(extraArgs, null, 2);
+                isValid = type === "object";
             } catch (e) {
                 extraArgs = null
             }
@@ -97,14 +99,16 @@ export default function RouteForm(props) {
                 <RouteFormControl key={"form-control-extra"} fullWidth={true}>
                     <label htmlFor={"route-extra"}>{L("routes.arguments")}</label>
                     <textarea id={"route-extra"}
-                              ref={extraRef}
+                              ref={extraRef} style={!isValid ? {borderColor: "red"} : {}}
                               value={extraArgs ?? route.extra}
                               onChange={e => setRoute({...route, extra: minifyJson(e.target.value)})}/>
-                    <i>{
+                    <Box mt={1} fontStyle={"italic"} display={"grid"} gridTemplateColumns={"30px auto"}>{
                         extraArgs === null ?
-                            L("routes.json_err") :
-                                (type !== "object" ? L("routes.json_not_obj") : L("routes.json_ok"))
-                    }</i>
+                            <><ErrorRounded color={"secondary"}/><span>{L("routes.json_err")}</span></> :
+                                (type !== "object" ?
+                                    <><ErrorRounded color={"secondary"}/><span>{L("routes.json_not_object")}</span></> :
+                                    <><CheckCircle color={"primary"} /><span>{L("routes.json_ok")}</span></>)
+                    }</Box>
                 </RouteFormControl>
             );
         } else if (route.type === "static") {
diff --git a/react/admin-panel/src/views/user/index.js b/react/admin-panel/src/views/user/index.js
new file mode 100644
index 0000000..15aac30
--- /dev/null
+++ b/react/admin-panel/src/views/user/index.js
@@ -0,0 +1,4 @@
+import UserEditView from "./user-edit";
+import UserListView from "./user-list";
+
+export default { UserEditView, UserListView };
\ No newline at end of file
diff --git a/react/shared/hooks/pagination.js b/react/shared/hooks/pagination.js
index bc675e2..d9b04e6 100644
--- a/react/shared/hooks/pagination.js
+++ b/react/shared/hooks/pagination.js
@@ -1,5 +1,5 @@
 import React, {useState} from "react";
-import {Box, MenuItem, Select, Pagination as MuiPagination} from "@mui/material";
+import {Box, Select, Pagination as MuiPagination} from "@mui/material";
 import {sprintf} from "sprintf-js";
 import {FormControl} from "@material-ui/core";