diff --git a/client/src/App.tsx b/client/src/App.tsx
index 012f516..f57cd22 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -1,6 +1,9 @@
+import { createTheme } from '@mui/material/styles';
+import { useMemo } from 'react';
 import { Admin, Resource } from 'react-admin';
 import { authProvider } from './auth/authProvider';
 import { dataProvider } from './dataProvider';
+import { useEmbeddedParentTheme } from './embed/useEmbeddedParentTheme';
 import { EmbeddedActiveEquipmentPage } from './pages/EmbeddedActiveEquipmentPage';
 import { EquipmentCreate } from './resources/equipment/EquipmentCreate';
 import { EquipmentEdit } from './resources/equipment/EquipmentEdit';
@@ -11,13 +14,18 @@ import { EquipmentStatusChangeEdit } from './resources/equipment-status-change/E
 import { EquipmentStatusChangeList } from './resources/equipment-status-change/EquipmentStatusChangeList';
 import { EquipmentStatusChangeShow } from './resources/equipment-status-change/EquipmentStatusChangeShow';
 
-function App() {
-  if (window.location.pathname === '/embedded/equipment-active') {
-    return <EmbeddedActiveEquipmentPage />;
-  }
+function ToirAdmin() {
+  const paletteMode = useEmbeddedParentTheme();
+  const theme = useMemo(
+    () =>
+      createTheme({
+        palette: { mode: paletteMode },
+      }),
+    [paletteMode],
+  );
 
   return (
-    <Admin dataProvider={dataProvider} authProvider={authProvider}>
+    <Admin dataProvider={dataProvider} authProvider={authProvider} theme={theme}>
       <Resource
         name="equipment"
         list={EquipmentList}
@@ -36,4 +44,12 @@ function App() {
   );
 }
 
+function App() {
+  if (window.location.pathname === '/embedded/equipment-active') {
+    return <EmbeddedActiveEquipmentPage />;
+  }
+
+  return <ToirAdmin />;
+}
+
 export default App;
diff --git a/client/src/embed/useEmbeddedParentTheme.ts b/client/src/embed/useEmbeddedParentTheme.ts
new file mode 100644
index 0000000..3d3cee3
--- /dev/null
+++ b/client/src/embed/useEmbeddedParentTheme.ts
@@ -0,0 +1,48 @@
+import { useEffect, useState } from 'react';
+
+export type EmbedPaletteMode = 'light' | 'dark';
+
+const MESSAGE_TYPE = 'greact-theme' as const;
+
+function parseThemeFromSearch(): EmbedPaletteMode {
+  if (typeof window === 'undefined') {
+    return 'light';
+  }
+  const t = new URLSearchParams(window.location.search).get('theme');
+  return t === 'dark' ? 'dark' : 'light';
+}
+
+/** Comma-separated list of parent origins allowed to send theme via postMessage. If unset, all origins are accepted (theme-only payload). */
+function getAllowedOrigins(): string[] {
+  const raw = import.meta.env.VITE_TOIR_EMBED_PARENT_ORIGINS;
+  if (typeof raw === 'string' && raw.trim()) {
+    return raw
+      .split(',')
+      .map((s) => s.trim())
+      .filter(Boolean);
+  }
+  return [];
+}
+
+export function useEmbeddedParentTheme(): EmbedPaletteMode {
+  const [mode, setMode] = useState<EmbedPaletteMode>(parseThemeFromSearch);
+
+  useEffect(() => {
+    const allowed = getAllowedOrigins();
+    const handler = (event: MessageEvent) => {
+      if (allowed.length > 0 && !allowed.includes(event.origin)) {
+        return;
+      }
+      const data = event.data as { type?: string; theme?: string } | null;
+      if (data && typeof data === 'object' && data.type === MESSAGE_TYPE) {
+        if (data.theme === 'dark' || data.theme === 'light') {
+          setMode(data.theme);
+        }
+      }
+    };
+    window.addEventListener('message', handler);
+    return () => window.removeEventListener('message', handler);
+  }, []);
+
+  return mode;
+}
diff --git a/client/src/pages/EmbeddedActiveEquipmentPage.tsx b/client/src/pages/EmbeddedActiveEquipmentPage.tsx
index a33b3f2..f31ce48 100644
--- a/client/src/pages/EmbeddedActiveEquipmentPage.tsx
+++ b/client/src/pages/EmbeddedActiveEquipmentPage.tsx
@@ -1,6 +1,8 @@
 import Alert from '@mui/material/Alert';
 import Box from '@mui/material/Box';
 import CircularProgress from '@mui/material/CircularProgress';
+import CssBaseline from '@mui/material/CssBaseline';
+import Link from '@mui/material/Link';
 import Paper from '@mui/material/Paper';
 import Table from '@mui/material/Table';
 import TableBody from '@mui/material/TableBody';
@@ -9,9 +11,12 @@ import TableContainer from '@mui/material/TableContainer';
 import TableHead from '@mui/material/TableHead';
 import TableRow from '@mui/material/TableRow';
 import Typography from '@mui/material/Typography';
-import { useEffect, useState } from 'react';
+import { ThemeProvider, createTheme } from '@mui/material/styles';
+import { useEffect, useMemo, useState } from 'react';
+import { useEmbeddedParentTheme } from '../embed/useEmbeddedParentTheme';
 import { env } from '../config/env';
 import { ensureFreshToken, getAccessToken } from '../auth/keycloak';
+import { downloadEquipmentAttachmentFile } from '../resources/equipment/attachmentDownload';
 
 type EquipmentRecord = {
   id: string;
@@ -19,11 +24,15 @@ type EquipmentRecord = {
   serialNumber: string;
   dateOfInspection: string | null;
   commissionedAt: string | null;
+  attachment?: {
+    objectKey?: string;
+    originalFileName?: string | null;
+  } | null;
 };
 
 function formatDate(value: string | null) {
   if (!value) {
-    return '-';
+    return '—';
   }
 
   const date = new Date(value);
@@ -35,6 +44,24 @@ function formatDate(value: string | null) {
 }
 
 export function EmbeddedActiveEquipmentPage() {
+  const paletteMode = useEmbeddedParentTheme();
+  const muiTheme = useMemo(
+    () =>
+      createTheme({
+        palette: { mode: paletteMode },
+        components: {
+          MuiPaper: {
+            styleOverrides: {
+              root: {
+                backgroundImage: 'none',
+              },
+            },
+          },
+        },
+      }),
+    [paletteMode],
+  );
+
   const [data, setData] = useState<EquipmentRecord[]>([]);
   const [total, setTotal] = useState<number | null>(null);
   const [isPending, setIsPending] = useState(true);
@@ -105,52 +132,98 @@ export function EmbeddedActiveEquipmentPage() {
     };
   }, []);
 
-  return (
-    <Box sx={{ minHeight: '100vh', boxSizing: 'border-box', p: { xs: 2, md: 3 }, bgcolor: '#f3f6fa' }}>
-      <Paper elevation={0} sx={{ overflow: 'hidden', borderRadius: 3, border: '1px solid #d7e0ea' }}>
-        <Box sx={{ px: 3, py: 2, borderBottom: '1px solid #d7e0ea', bgcolor: '#fff' }}>
-          <Typography variant="h5" sx={{ fontWeight: 700, color: '#10233a' }}>
-            Оборудование в эксплуатации
-          </Typography>
-          <Typography variant="body2" sx={{ mt: 0.5, color: '#5b7087' }}>
-            Отображаются записи со статусом `Active`
-            {typeof total === 'number' ? `: ${total}` : ''}
-          </Typography>
-        </Box>
+  const pageBg =
+    paletteMode === 'dark' ? 'linear-gradient(180deg, #0d1117 0%, #0a0c10 100%)' : '#f3f6fa';
+  const headerBg = paletteMode === 'dark' ? '#161b22' : '#fff';
+  const headerBorder = paletteMode === 'dark' ? '1px solid #30363d' : '1px solid #d7e0ea';
+  const titleColor = paletteMode === 'dark' ? '#e6edf3' : '#10233a';
+  const subtitleColor = paletteMode === 'dark' ? '#8b949e' : '#5b7087';
 
-        {isPending ? (
-          <Box sx={{ display: 'flex', justifyContent: 'center', py: 8 }}>
-            <CircularProgress />
+  return (
+    <ThemeProvider theme={muiTheme}>
+      <CssBaseline />
+      <Box
+        sx={{
+          minHeight: '100vh',
+          boxSizing: 'border-box',
+          p: { xs: 2, md: 3 },
+          bgcolor: pageBg,
+        }}
+      >
+        <Paper
+          elevation={0}
+          sx={{
+            overflow: 'hidden',
+            borderRadius: 3,
+            border: headerBorder,
+            bgcolor: paletteMode === 'dark' ? '#161b22' : '#fff',
+          }}
+        >
+          <Box sx={{ px: 3, py: 2, borderBottom: headerBorder, bgcolor: headerBg }}>
+            <Typography variant="h5" sx={{ fontWeight: 700, color: titleColor }}>
+              Оборудование в эксплуатации
+            </Typography>
+            <Typography variant="body2" sx={{ mt: 0.5, color: subtitleColor }}>
+              Отображаются записи со статусом &apos;Active&apos;
+              {typeof total === 'number' ? `: ${total}` : ''}
+            </Typography>
           </Box>
-        ) : error ? (
-          <Box sx={{ p: 3 }}>
-            <Alert severity="error">Не удалось загрузить активное оборудование.</Alert>
-          </Box>
-        ) : (
-          <TableContainer>
-            <Table size="small">
-              <TableHead>
-                <TableRow>
-                  <TableCell sx={{ fontWeight: 700 }}>Наименование</TableCell>
-                  <TableCell sx={{ fontWeight: 700 }}>Заводской номер</TableCell>
-                  <TableCell sx={{ fontWeight: 700 }}>Дата изготовления</TableCell>
-                  <TableCell sx={{ fontWeight: 700 }}>Дата поверки</TableCell>
-                </TableRow>
-              </TableHead>
-              <TableBody>
-                {(data ?? []).map((item) => (
-                  <TableRow key={item.id} hover>
-                    <TableCell>{item.name}</TableCell>
-                    <TableCell>{item.serialNumber}</TableCell>
-                    <TableCell>{formatDate(item.dateOfInspection)}</TableCell>
-                    <TableCell>{formatDate(item.commissionedAt)}</TableCell>
+
+          {isPending ? (
+            <Box sx={{ display: 'flex', justifyContent: 'center', py: 8 }}>
+              <CircularProgress />
+            </Box>
+          ) : error ? (
+            <Box sx={{ p: 3 }}>
+              <Alert severity="error">Не удалось загрузить активное оборудование.</Alert>
+            </Box>
+          ) : (
+            <TableContainer>
+              <Table size="small">
+                <TableHead>
+                  <TableRow>
+                    <TableCell sx={{ fontWeight: 700 }}>Наименование</TableCell>
+                    <TableCell sx={{ fontWeight: 700 }}>Заводской номер</TableCell>
+                    <TableCell sx={{ fontWeight: 700 }}>Дата изготовления</TableCell>
+                    <TableCell sx={{ fontWeight: 700 }}>Дата поверки</TableCell>
+                    <TableCell sx={{ fontWeight: 700 }}>Файл</TableCell>
                   </TableRow>
-                ))}
-              </TableBody>
-            </Table>
-          </TableContainer>
-        )}
-      </Paper>
-    </Box>
+                </TableHead>
+                <TableBody>
+                  {(data ?? []).map((item) => (
+                    <TableRow key={item.id} hover>
+                      <TableCell>{item.name}</TableCell>
+                      <TableCell>{item.serialNumber}</TableCell>
+                      <TableCell>{formatDate(item.commissionedAt)}</TableCell>
+                      <TableCell>{formatDate(item.dateOfInspection)}</TableCell>
+                      <TableCell>
+                        {item?.attachment?.objectKey ? (
+                          <Link
+                            component="button"
+                            type="button"
+                            underline="hover"
+                            onClick={(e) => {
+                              e.preventDefault();
+                              e.stopPropagation();
+                              const label = item.attachment?.originalFileName?.trim() || 'файл';
+                              void downloadEquipmentAttachmentFile(item.id, label).catch(() => {});
+                            }}
+                            sx={{ cursor: 'pointer', verticalAlign: 'inherit' }}
+                          >
+                            {item.attachment?.originalFileName?.trim() || 'Скачать'}
+                          </Link>
+                        ) : (
+                          '—'
+                        )}
+                      </TableCell>
+                    </TableRow>
+                  ))}
+                </TableBody>
+              </Table>
+            </TableContainer>
+          )}
+        </Paper>
+      </Box>
+    </ThemeProvider>
   );
 }
diff --git a/client/src/vite-env.d.ts b/client/src/vite-env.d.ts
index 11f02fe..bf0c063 100644
--- a/client/src/vite-env.d.ts
+++ b/client/src/vite-env.d.ts
@@ -1 +1,9 @@
 /// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  readonly VITE_TOIR_EMBED_PARENT_ORIGINS?: string;
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv;
+}