diff --git a/src/lib/env.ts b/src/lib/env.ts
index b09bfc8..0480526 100644
--- a/src/lib/env.ts
+++ b/src/lib/env.ts
@@ -1,35 +1,35 @@
-import { z } from 'zod';
-
-const envSchema = z.object({
-  NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
-  PORT: z.string().default('3000'),
-  DATABASE_URL: z.string().default('postgresql://postgres:postgres@localhost:5432/qrmaster?schema=public'),
-  NEXTAUTH_URL: z.string().default('http://localhost:3050'),
-  NEXTAUTH_SECRET: z.string().default('development-secret-change-in-production'),
-  GOOGLE_CLIENT_ID: z.string().optional(),
-  GOOGLE_CLIENT_SECRET: z.string().optional(),
-  REDIS_URL: z.string().optional(),
-  IP_SALT: z.string().default('development-salt-change-in-production'),
-  ENABLE_DEMO: z.string().default('false'),
-
-  // Cloudflare R2 (S3 Compatible)
-  R2_ACCOUNT_ID: z.string().optional(),
-  R2_ACCESS_KEY_ID: z.string().optional(),
-  R2_SECRET_ACCESS_KEY: z.string().optional(),
-  R2_BUCKET_NAME: z.string().default('qrmaster-menus'),
-  R2_PUBLIC_URL: z.string().optional(),
-  MAX_UPLOAD_SIZE: z.string().default('10485760'), // 10MB default
-});
-
-// During build, we might not have all env vars, so we'll use defaults
-const isBuildTime = process.env.NEXT_PHASE === 'phase-production-build' || !process.env.DATABASE_URL;
-
-export const env = isBuildTime
-  ? envSchema.parse({
-    ...process.env,
-    DATABASE_URL: process.env.DATABASE_URL || 'postgresql://postgres:postgres@db:5432/qrmaster?schema=public',
-    NEXTAUTH_URL: process.env.NEXTAUTH_URL || 'http://localhost:3050',
-    NEXTAUTH_SECRET: process.env.NEXTAUTH_SECRET || 'development-secret-change-in-production',
-    IP_SALT: process.env.IP_SALT || 'development-salt-change-in-production',
-  })
+import { z } from 'zod';
+
+const envSchema = z.object({
+  NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
+  PORT: z.string().default('3000'),
+  DATABASE_URL: z.string().default('postgresql://postgres:postgres@localhost:5432/qrmaster?schema=public'),
+  NEXTAUTH_URL: z.string().default('http://localhost:3050'),
+  NEXTAUTH_SECRET: z.string().default('development-secret-change-in-production'),
+  GOOGLE_CLIENT_ID: z.string().optional(),
+  GOOGLE_CLIENT_SECRET: z.string().optional(),
+  REDIS_URL: z.string().optional(),
+  IP_SALT: z.string().default('development-salt-change-in-production'),
+  ENABLE_DEMO: z.string().default('false'),
+
+  // Cloudflare R2 (S3 Compatible)
+  R2_ACCOUNT_ID: z.string().optional(),
+  R2_ACCESS_KEY_ID: z.string().optional(),
+  R2_SECRET_ACCESS_KEY: z.string().optional(),
+  R2_BUCKET_NAME: z.string().default('qrmaster-menus'),
+  R2_PUBLIC_URL: z.string().optional(),
+  MAX_UPLOAD_SIZE: z.string().default('10485760'), // 10MB default
+});
+
+// During build, we might not have all env vars, so we'll use defaults
+const isBuildTime = process.env.NEXT_PHASE === 'phase-production-build' || !process.env.DATABASE_URL;
+
+export const env = isBuildTime
+  ? envSchema.parse({
+    ...process.env,
+    DATABASE_URL: process.env.DATABASE_URL || 'postgresql://postgres:postgres@db:5432/qrmaster?schema=public',
+    NEXTAUTH_URL: process.env.NEXTAUTH_URL || 'http://localhost:3050',
+    NEXTAUTH_SECRET: process.env.NEXTAUTH_SECRET || 'development-secret-change-in-production',
+    IP_SALT: process.env.IP_SALT || 'development-salt-change-in-production',
+  })
   : envSchema.parse(process.env);
\ No newline at end of file