Fix lineHeight error by adding proper font configuration to theme

frontend/src/theme/index.ts

@@ -1,5 +1,28 @@
-import { MD3DarkTheme, MD3LightTheme, adaptNavigationTheme } from 'react-native-paper';
+import { MD3DarkTheme, MD3LightTheme, adaptNavigationTheme, configureFonts } from 'react-native-paper';
 import { DefaultTheme, DarkTheme } from '@react-navigation/native';
+import { Platform } from 'react-native';
+
+// Базовые настройки шрифтов
+const baseFont = Platform.select({
+  ios: {
+    fontFamily: 'System',
+    letterSpacing: 0,
+  },
+  android: {
+    fontFamily: 'Roboto',
+    letterSpacing: 0,
+  },
+  default: {
+    fontFamily: 'System',
+    letterSpacing: 0,
+  },
+});
+
+const baseVariants = configureFonts({
+  config: {
+    ...baseFont,
+  },
+});
 
 // Цвета для темной темы
 const darkColors = {
@@ -67,6 +90,107 @@ export const darkTheme = {
     ...NavigationDarkTheme.colors,
     ...darkColors,
   },
+  fonts: configureFonts({
+    config: {
+      ...baseFont,
+      displayLarge: {
+        ...baseFont,
+        fontSize: 57,
+        lineHeight: 64,
+        letterSpacing: 0,
+      },
+      displayMedium: {
+        ...baseFont,
+        fontSize: 45,
+        lineHeight: 52,
+        letterSpacing: 0,
+      },
+      displaySmall: {
+        ...baseFont,
+        fontSize: 36,
+        lineHeight: 44,
+        letterSpacing: 0,
+      },
+      headlineLarge: {
+        ...baseFont,
+        fontSize: 32,
+        lineHeight: 40,
+        letterSpacing: 0,
+      },
+      headlineMedium: {
+        ...baseFont,
+        fontSize: 28,
+        lineHeight: 36,
+        letterSpacing: 0,
+      },
+      headlineSmall: {
+        ...baseFont,
+        fontSize: 24,
+        lineHeight: 32,
+        letterSpacing: 0,
+      },
+      titleLarge: {
+        ...baseFont,
+        fontSize: 22,
+        lineHeight: 28,
+        letterSpacing: 0,
+      },
+      titleMedium: {
+        ...baseFont,
+        fontSize: 16,
+        lineHeight: 24,
+        letterSpacing: 0.15,
+      },
+      titleSmall: {
+        ...baseFont,
+        fontSize: 14,
+        lineHeight: 20,
+        letterSpacing: 0.1,
+      },
+      bodyLarge: {
+        ...baseFont,
+        fontSize: 16,
+        lineHeight: 24,
+        letterSpacing: 0.15,
+      },
+      bodyMedium: {
+        ...baseFont,
+        fontSize: 14,
+        lineHeight: 20,
+        letterSpacing: 0.25,
+      },
+      bodySmall: {
+        ...baseFont,
+        fontSize: 12,
+        lineHeight: 16,
+        letterSpacing: 0.4,
+      },
+      labelLarge: {
+        ...baseFont,
+        fontSize: 14,
+        lineHeight: 20,
+        letterSpacing: 0.1,
+      },
+      labelMedium: {
+        ...baseFont,
+        fontSize: 12,
+        lineHeight: 16,
+        letterSpacing: 0.5,
+      },
+      labelSmall: {
+        ...baseFont,
+        fontSize: 11,
+        lineHeight: 16,
+        letterSpacing: 0.5,
+      },
+      default: {
+        ...baseFont,
+        fontSize: 14,
+        lineHeight: 20,
+        letterSpacing: 0,
+      },
+    },
+  }),
 };
 
 // Светлая тема (на будущее)
@@ -77,6 +201,7 @@ export const lightTheme = {
     ...MD3LightTheme.colors,
     ...NavigationLightTheme.colors,
   },
+  fonts: MD3LightTheme.fonts,
 };
 
 // Экспортируем текущую тему