diff --git a/src/renderer/components/TopBar.tsx b/src/renderer/components/TopBar.tsx
index 5cbc70d..3447505 100644
--- a/src/renderer/components/TopBar.tsx
+++ b/src/renderer/components/TopBar.tsx
@@ -20,6 +20,7 @@ import CalendarMonthIcon from '@mui/icons-material/CalendarMonth';
 import EmojiEventsIcon from '@mui/icons-material/EmojiEvents';
 import PersonIcon from '@mui/icons-material/Person';
 import SettingsIcon from '@mui/icons-material/Settings';
+import { useTheme } from '@mui/material/styles';
 declare global {
   interface Window {
     electron: {
@@ -48,6 +49,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
   const navigate = useNavigate();
   const tabsWrapperRef = useRef<HTMLDivElement | null>(null);
   const tabsRootRef = useRef<HTMLDivElement | null>(null);
+  const theme = useTheme();
 
   const updateGradientVars = useCallback(() => {
     const root = tabsRootRef.current;
@@ -71,7 +73,8 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
   );
 
   const path = location.pathname || '';
-  const isAuthPage = path.startsWith('/login') || path.startsWith('/registration');
+  const isAuthPage =
+    path.startsWith('/login') || path.startsWith('/registration');
 
   const TAB_ROUTES: Array<{
     value: number;
@@ -198,26 +201,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
 
   // Функция для получения количества монет
 
-  const tabBaseSx = {
-    color: 'white',
-    fontFamily: 'Benzin-Bold',
-    fontSize: '0.7em',
-    transition: 'all 0.3s ease',
-    '&:hover': {
-      color: 'rgb(170, 170, 170)',
-    },
-  };
-
-  const activeTabSx = {
-    color: 'transparent',
-    WebkitTextFillColor: 'transparent',
-    backgroundImage: 'var(--tabs-grad)',
-    backgroundRepeat: 'no-repeat',
-    backgroundSize: 'var(--tabs-w) 100%',
-    backgroundPosition: 'calc(-1 * var(--active-x)) 0',
-    WebkitBackgroundClip: 'text',
-    backgroundClip: 'text',
-  };
+  const tabBaseSx = [{ fontSize: '0.7em' }, theme.launcher.topbar.tabBase];
 
   const logout = () => {
     localStorage.removeItem('launcher_config');
@@ -230,7 +214,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
       return;
     }
 
-  const savedConfig = localStorage.getItem('launcher_config');
+    const savedConfig = localStorage.getItem('launcher_config');
     if (!savedConfig) return;
 
     let cfg: any = null;
@@ -263,7 +247,8 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
     };
 
     window.addEventListener('skin-updated', handler as EventListener);
-    return () => window.removeEventListener('skin-updated', handler as EventListener);
+    return () =>
+      window.removeEventListener('skin-updated', handler as EventListener);
   }, [loadSkin]);
 
   useEffect(() => {
@@ -277,28 +262,24 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
 
   return (
     <Box
-      className={isAuthPage ? undefined : 'glass-ui'}
-      sx={{
-        display: 'flex',
-        position: 'fixed',
-        top: 0,
-        left: 0,
-        right: 0,
-        height: '8vh',
-        zIndex: 1000,
-        width: '100%',
-        WebkitAppRegion: 'drag',
-        overflow: 'hidden',
-        justifyContent: 'space-between',
-        alignItems: 'center',
-
-        // убрать если не оч
-
-        // стиль как в Registration
-        background: isAuthPage ?
-          'none' : 'linear-gradient(71deg, rgba(242,113,33,0.18) 0%, rgba(233,64,205,0.14) 70%, rgba(138,35,135,0.16) 100%)',
-        boxShadow: isAuthPage ? 'none' : '0 8px 30px rgba(0,0,0,0.35)',
-      }}
+    className={isAuthPage ? undefined : 'glass-ui'}
+      sx={[
+        {
+          display: 'flex',
+          position: 'fixed',
+          top: 0,
+          left: 0,
+          right: 0,
+          height: '8vh',
+          zIndex: 1000,
+          width: '100%',
+          WebkitAppRegion: 'drag',
+          overflow: 'hidden',
+          justifyContent: 'space-between',
+          alignItems: 'center',
+        },
+        theme.launcher.topbar.firstBox,
+      ]}
     >
       {/* Левая часть */}
       <Box
@@ -314,20 +295,16 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
           <Button
             variant="outlined"
             onClick={() => handleLaunchPage()}
-            sx={{
-              width: '3em',
-              height: '3em',
-              borderRadius: '50%',
-              border: 'unset',
-              color: 'white',
-              minWidth: 'unset',
-              minHeight: 'unset',
-              transition: 'transform 0.3s ease',
-              '&:hover': {
-                transform: 'scale(1.2)',
-                ...(document.body.classList.contains('reduce-motion') ? { transform: 'none' } : null),
+            sx={[
+              {
+                width: '3em',
+                height: '3em',
+                borderRadius: '50%',
+                minWidth: 'unset',
+                minHeight: 'unset',
               },
-            }}
+              theme.launcher.topbar.backButton,
+            ]}
           >
             <ArrowBackRoundedIcon />
           </Button>
@@ -339,7 +316,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             // старый вариант
             sx={{
               borderBottom: 1,
-              borderColor: 'transparent',
+              ...theme.launcher.topbar.tabsBox,
               // '& .MuiTabs-indicator': {
               //   backgroundColor: 'rgba(255, 77, 77, 1)',
               // },
@@ -381,61 +358,40 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
                 scrollButtons={false}
                 disableRipple={true}
                 sx={{
-                  // один градиент на весь Tabs
-                  '--tabs-grad': 'linear-gradient(90deg, #F27121 0%, #E940CD 50%, #8A2387 100%)',
-
-                  // активный текст показывает “срез” общего градиента
-                  '& .MuiTab-root.Mui-selected': {
-                    color: 'transparent',
-                    backgroundImage: 'var(--tabs-grad)',
-                    backgroundRepeat: 'no-repeat',
-                    backgroundSize: 'var(--tabs-w) 100%',
-                    backgroundPosition: 'calc(-1 * var(--active-x)) 0',
-                    WebkitBackgroundClip: 'text',
-                    backgroundClip: 'text',
-                  },
-
-                  // подчёркивание тоже из того же “единого” градиента
-                  '& .MuiTabs-indicator': {
-                    height: '2px',
-                    backgroundImage: 'var(--tabs-grad)',
-                    backgroundRepeat: 'no-repeat',
-                    backgroundSize: 'var(--tabs-w) 100%',
-                    backgroundPosition: 'calc(-1 * var(--active-x)) 0',
-                  },
+                  ...theme.launcher.topbar.tabs,
                 }}
               >
                 <Tab
                   label="Новости"
                   disableRipple={true}
-                  sx={{
+                  sx={[
                     ...tabBaseSx,
-                    ...(selectedTab === 0 ? activeTabSx : null),
-                  }}
+                    selectedTab === 0 ? theme.launcher.topbar.tabActive : null,
+                  ]}
                 />
                 <Tab
                   label="Версии"
                   disableRipple={true}
-                  sx={{
+                  sx={[
                     ...tabBaseSx,
-                    ...(selectedTab === 1 ? activeTabSx : null),
-                  }}
+                    selectedTab === 1 ? theme.launcher.topbar.tabActive : null,
+                  ]}
                 />
                 <Tab
                   label="Магазин"
                   disableRipple={true}
-                  sx={{
+                  sx={[
                     ...tabBaseSx,
-                    ...(selectedTab === 2 ? activeTabSx : null),
-                  }}
+                    selectedTab === 2 ? theme.launcher.topbar.tabActive : null,
+                  ]}
                 />
                 <Tab
                   label="Рынок"
                   disableRipple={true}
-                  sx={{
+                  sx={[
                     ...tabBaseSx,
-                    ...(selectedTab === 3 ? activeTabSx : null),
-                  }}
+                    selectedTab === 3 ? theme.launcher.topbar.tabActive : null,
+                  ]}
                 />
               </Tabs>
             </CustomTooltip>
@@ -507,6 +463,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             width: '3em',
             height: '3em',
             borderRadius: '50%',
+            ...theme.launcher.topbar.windowControlButton,
           }}
         >
           <svg
@@ -517,7 +474,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
           >
             <path
               d="M 7 19 h 10 c 0.55 0 1 0.45 1 1 s -0.45 1 -1 1 H 7 c -0.55 0 -1 -0.45 -1 -1 s 0.45 -1 1 -1"
-              fill="white"
+              fill={theme.launcher.topbar.windowControlIcon.color}
             ></path>
           </svg>
         </Button>
@@ -531,9 +488,12 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             width: '3em',
             height: '3em',
             borderRadius: '50%',
+            ...theme.launcher.topbar.windowControlButton,
           }}
         >
-          <CloseRoundedIcon sx={{ color: 'white' }} />
+          <CloseRoundedIcon
+            sx={{ color: theme.launcher.topbar.windowControlIcon.color }}
+          />
         </Button>
       </Box>
       <Menu
@@ -553,11 +513,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             mt: '0.5vw',
             borderRadius: '1vw',
             minWidth: '16vw',
-            color: 'white',
-            bgcolor: 'rgba(0,0,0,0.82)',
-            backdropFilter: 'blur(10px)',
-            border: '1px solid rgba(233,64,205,0.25)',
-            boxShadow: '0 18px 40px rgba(0,0,0,0.55)',
+            ...theme.launcher.topbar.menuPaper,
           },
         }}
       >
@@ -581,10 +537,7 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
 
           <Box sx={{ display: 'flex', flexDirection: 'column' }}>
             <Typography
-              sx={{
-                fontFamily: 'Benzin-Bold',
-                fontSize: '2vw',
-              }}
+              sx={[{ fontSize: '2vw' }, theme.launcher.topbar.menuUsername]}
             >
               {username || 'Игрок'}
             </Typography>
@@ -603,22 +556,17 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
           </Box>
         </Box>
 
-        <Divider sx={{ my: '0.4vw', borderColor: 'rgba(255,255,255,0.08)' }} />
+        <Divider sx={{ my: '0.4vw', ...theme.launcher.topbar.menuDivider }} />
 
         <MenuItem
           onClick={() => {
             handleAvatarMenuClose();
             navigate('/profile');
           }}
-          sx={{
-            fontFamily: 'Benzin-Bold',
-            fontSize: '1.5vw',
-            gap: '0.5vw',
-            py: '0.7vw',
-            '&:hover': {
-              bgcolor: 'rgba(255,77,77,0.15)',
-            },
-          }}
+          sx={[
+            { fontSize: '1.5vw', gap: '0.5vw', py: '0.7vw' },
+            theme.launcher.topbar.menuItem,
+          ]}
         >
           <PersonIcon sx={{ fontSize: '2vw' }} /> Профиль
         </MenuItem>
@@ -629,15 +577,10 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             handleAvatarMenuClose();
             navigate('/dailyquests');
           }}
-          sx={{
-            fontFamily: 'Benzin-Bold',
-            fontSize: '1.5vw',
-            gap: '0.5vw',
-            py: '0.7vw',
-            '&:hover': {
-              bgcolor: 'rgba(255,77,77,0.15)',
-            },
-          }}
+          sx={[
+            { fontSize: '1.5vw', gap: '0.5vw', py: '0.7vw' },
+            theme.launcher.topbar.menuItem,
+          ]}
         >
           <CalendarMonthIcon sx={{ fontSize: '2vw' }} /> Ежедневные задания
         </MenuItem>
@@ -648,15 +591,10 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             handleAvatarMenuClose();
             navigate('/daily');
           }}
-          sx={{
-            fontFamily: 'Benzin-Bold',
-            fontSize: '1.5vw',
-            gap: '0.5vw',
-            py: '0.7vw',
-            '&:hover': {
-              bgcolor: 'rgba(255,77,77,0.15)',
-            },
-          }}
+          sx={[
+            { fontSize: '1.5vw', gap: '0.5vw', py: '0.7vw' },
+            theme.launcher.topbar.menuItem,
+          ]}
         >
           <EmojiEventsIcon sx={{ fontSize: '2vw' }} /> Ежедневная награда
         </MenuItem>
@@ -666,20 +604,15 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
             handleAvatarMenuClose();
             navigate('/settings');
           }}
-          sx={{
-            fontFamily: 'Benzin-Bold',
-            fontSize: '1.5vw',
-            gap: '0.5vw',
-            py: '0.7vw',
-            '&:hover': {
-              bgcolor: 'rgba(255,77,77,0.15)',
-            },
-          }}
+          sx={[
+            { fontSize: '1.5vw', gap: '0.5vw', py: '0.7vw' },
+            theme.launcher.topbar.menuItem,
+          ]}
         >
           <SettingsIcon sx={{ fontSize: '2vw' }} /> Настройки
         </MenuItem>
 
-        <Divider sx={{ my: '0.4vw', borderColor: 'rgba(255,255,255,0.08)' }} />
+        <Divider sx={{ my: '0.4vw', ...theme.launcher.topbar.menuDivider }} />
         {!isLoginPage && !isRegistrationPage && username && (
           <Button
             variant="outlined"
@@ -688,27 +621,15 @@ export default function TopBar({ onRegister, username }: TopBarProps) {
               handleAvatarMenuClose();
               logout();
             }}
-            sx={{
-              width: '8vw',
-              height: '3vw',
-              borderRadius: '2.5vw',
-              fontFamily: 'Benzin-Bold',
-              fontSize: '1.2vw',
-              background:
-                'linear-gradient(71deg, #F27121 0%, #E940CD 70%, #8A2387 100%)',
-              color: 'white',
-              border: 'none',
-              transition: 'transform 0.3s ease',
-              '&:hover': {
-                background:
-                  'linear-gradient(71deg, #F27121 0%, #E940CD 70%, #8A2387 100%)',
-                transform: 'scale(1.01)',
-                ...(document.body.classList.contains('reduce-motion') ? { transform: 'none' } : null),
-                boxShadow: '0 4px 15px rgba(242, 113, 33, 0.4)',
+            sx={[
+              {
+                width: '8vw',
+                height: '3vw',
+                fontSize: '1.2vw',
+                m: '0 0 0 18vw',
               },
-              boxShadow: '0 2px 8px rgba(0, 0, 0, 0.3)',
-              m: '0 0 0 18vw',
-            }}
+              theme.launcher.topbar.logoutButton,
+            ]}
           >
             Выйти
           </Button>
diff --git a/src/renderer/index.tsx b/src/renderer/index.tsx
index 8864218..e18b0c2 100644
--- a/src/renderer/index.tsx
+++ b/src/renderer/index.tsx
@@ -1,9 +1,18 @@
 import { createRoot } from 'react-dom/client';
 import App from './App';
 
+import { ThemeProvider, CssBaseline } from '@mui/material';
+import { defaultTheme } from '../theme/themes'; // <-- поправь путь, если themes.ts лежит в другом месте
+
 const container = document.getElementById('root') as HTMLElement;
 const root = createRoot(container);
-root.render(<App />);
+
+root.render(
+  <ThemeProvider theme={defaultTheme}>
+    <CssBaseline />
+    <App />
+  </ThemeProvider>,
+);
 
 // calling IPC exposed from preload script
 window.electron?.ipcRenderer.once('ipc-example', (arg) => {
diff --git a/src/theme/themes.ts b/src/theme/themes.ts
new file mode 100644
index 0000000..c81b645
--- /dev/null
+++ b/src/theme/themes.ts
@@ -0,0 +1,176 @@
+import { createTheme, SxProps, Theme } from '@mui/material/styles';
+
+declare module '@mui/material/styles' {
+  interface Theme {
+    launcher: {
+      fonts: {
+        default: string;
+      };
+
+      gradients: {
+        accent: string;
+        tabs: string;
+      };
+
+      topbar: {
+        firstBox: SxProps<Theme>;
+        backButton: SxProps<Theme>;
+        tabsBox: {
+          borderColor: string;
+        };
+        tabs: SxProps<Theme>;
+        tabBase: SxProps<Theme>;
+        tabActive: SxProps<Theme>;
+        menuPaper: SxProps<Theme>;
+        menuDivider: SxProps<Theme>;
+        menuItem: SxProps<Theme>;
+        menuUsername: SxProps<Theme>;
+        logoutButton: SxProps<Theme>;
+        windowControlIcon: {
+          color: string;
+        };
+        windowControlButton: SxProps<Theme>;
+      };
+    };
+  }
+
+  interface ThemeOptions {
+    launcher?: Theme['launcher'];
+  }
+}
+
+export const defaultTheme = createTheme({
+  palette: {
+    mode: 'dark',
+    primary: { main: '#F27121' },
+    secondary: { main: '#E940CD' },
+    text: {
+      primary: '#FFFFFF',
+      secondary: 'rgba(255,255,255,0.7)',
+    },
+  },
+
+  launcher: {
+    fonts: {
+      default: 'Benzin-Bold',
+    },
+
+    gradients: {
+      accent: '#F27121 0%, #E940CD 50%, #8A2387 100%',
+      tabs: 'linear-gradient(71deg, rgba(242,113,33,0.18) 0%, rgba(233,64,205,0.14) 70%, rgba(138,35,135,0.16) 100%)',
+    },
+
+    topbar: {
+      firstBox: (theme: Theme) => ({
+        background: theme.launcher.gradients.tabs,
+        backdropFilter: 'blur(10px)',
+        boxShadow: '0 8px 30px rgba(0,0,0,0.35)',
+      }),
+      backButton: (theme: Theme) => ({
+        color: theme.palette.text.primary,
+        transition: 'transform 0.3s ease',
+        '&:hover': {
+          transform: 'scale(1.2)',
+        },
+        border: 'unset',
+      }),
+      tabsBox: {
+        borderColor: 'transparent',
+      },
+      tabs: {
+        // один градиент на весь Tabs
+        '--tabs-grad':
+          'linear-gradient(90deg, #F27121 0%, #E940CD 50%, #8A2387 100%)',
+
+        // активный текст показывает “срез” общего градиента
+        '& .MuiTab-root.Mui-selected': {
+          color: 'transparent',
+          backgroundImage: 'var(--tabs-grad)',
+          backgroundRepeat: 'no-repeat',
+          backgroundSize: 'var(--tabs-w) 100%',
+          backgroundPosition: 'calc(-1 * var(--active-x)) 0',
+          WebkitBackgroundClip: 'text',
+          backgroundClip: 'text',
+        },
+
+        // подчёркивание тоже из того же “единого” градиента
+        '& .MuiTabs-indicator': {
+          height: '2px',
+          backgroundImage: 'var(--tabs-grad)',
+          backgroundRepeat: 'no-repeat',
+          backgroundSize: 'var(--tabs-w) 100%',
+          backgroundPosition: 'calc(-1 * var(--active-x)) 0',
+        },
+      },
+      tabBase: (theme: Theme) => ({
+        color: 'white',
+        fontFamily: theme.launcher.fonts.default,
+        transition: 'all 0.3s ease',
+        '&:hover': {
+          color: 'rgb(170, 170, 170)',
+        },
+      }),
+      tabActive: {
+        color: 'transparent',
+        WebkitTextFillColor: 'transparent',
+        backgroundImage: 'var(--tabs-grad)',
+        backgroundRepeat: 'no-repeat',
+        backgroundSize: 'var(--tabs-w) 100%',
+        backgroundPosition: 'calc(-1 * var(--active-x)) 0',
+        WebkitBackgroundClip: 'text',
+        backgroundClip: 'text',
+      },
+      menuPaper: {
+        color: 'white',
+        bgcolor: 'rgba(0,0,0,0.82)',
+        backdropFilter: 'blur(10px)',
+        border: '1px solid rgba(233,64,205,0.25)',
+        boxShadow: '0 18px 40px rgba(0,0,0,0.55)',
+      },
+
+      menuDivider: {
+        borderColor: 'rgba(255,255,255,0.08)',
+      },
+
+      menuItem: (theme: Theme) => ({
+        fontFamily: theme.launcher.fonts.default,
+        '&:hover': {
+          bgcolor: 'rgba(255,77,77,0.15)',
+        },
+      }),
+
+      menuUsername: (theme: Theme) => ({
+        fontFamily: theme.launcher.fonts.default,
+        color: theme.palette.text.primary,
+      }),
+
+      logoutButton: (theme: Theme) => ({
+        fontFamily: theme.launcher.fonts.default,
+        borderRadius: '2.5vw',
+        background:
+          'linear-gradient(71deg, #F27121 0%, #E940CD 70%, #8A2387 100%)',
+        color: 'white',
+        border: 'none',
+        transition: 'transform 0.3s ease',
+        '&:hover': {
+          background:
+            'linear-gradient(71deg, #F27121 0%, #E940CD 70%, #8A2387 100%)',
+          transform: 'scale(1.01)',
+          boxShadow: '0 4px 15px rgba(242, 113, 33, 0.4)',
+        },
+        boxShadow: '0 2px 8px rgba(0, 0, 0, 0.3)',
+      }),
+
+      windowControlIcon: {
+        color: 'white',
+      },
+
+      windowControlButton: {
+        // тут только “визуал”, размеры оставим в TopBar
+        '&:hover': {
+          bgcolor: 'rgba(255,255,255,0.06)',
+        },
+      },
+    },
+  },
+});