diff --git a/package-lock.json b/package-lock.json
index 242d25f8..86b639fa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       "license": "MIT",
       "dependencies": {
         "@lucide/vue": "^1.16.0",
-        "@maizzle/tailwindcss": "*",
+        "@maizzle/tailwindcss": "latest",
         "@tailwindcss/postcss": "^4.3.0",
         "@tailwindcss/vite": "^4.3.0",
         "@unhead/vue": "^3.0.4",
@@ -33,11 +33,12 @@
         "is-url-superb": "^6.1.0",
         "jiti": "^2.6.1",
         "juice": "^12.0.0",
-        "maizzle": "*",
+        "maizzle": "latest",
         "markdown-exit": "^1.1.0-beta.2",
         "nodemailer": "^8.0.5",
         "ora": "^9.3.0",
         "oxfmt": "^0.53.0",
+        "pathe": "^2.0.3",
         "postcss": "^8.5.6",
         "postcss-calc": "^10.1.1",
         "postcss-merge-longhand": "^8.0.0",
diff --git a/package.json b/package.json
index 8e2d9b94..dc25de3f 100644
--- a/package.json
+++ b/package.json
@@ -59,6 +59,7 @@
     "nodemailer": "^8.0.5",
     "ora": "^9.3.0",
     "oxfmt": "^0.53.0",
+    "pathe": "^2.0.3",
     "postcss": "^8.5.6",
     "postcss-calc": "^10.1.1",
     "postcss-merge-longhand": "^8.0.0",
diff --git a/src/config/index.ts b/src/config/index.ts
index dace481a..6d1e5575 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1,5 +1,5 @@
 import { existsSync } from 'node:fs'
-import { resolve } from 'node:path'
+import { resolve } from 'pathe'
 import { createJiti } from 'jiti'
 import { fileURLToPath } from 'node:url'
 import { createDefu } from 'defu'
@@ -83,7 +83,7 @@ function normalizeConfig(
     merged.content = merged.content.map(p => {
       // Skip already-absolute or negated patterns
       if (p.startsWith('/') || p.startsWith('!')) return p
-      return resolve(root, p).replace(/\\/g, '/')
+      return resolve(root, p)
     })
   }
 
@@ -91,7 +91,7 @@ function normalizeConfig(
   if (merged.static?.source) {
     merged.static.source = merged.static.source.map(p => {
       if (p.startsWith('/') || p.startsWith('!')) return p
-      return resolve(root, p).replace(/\\/g, '/')
+      return resolve(root, p)
     })
   }
 
diff --git a/src/render/index.ts b/src/render/index.ts
index a33bfd40..9dc2e5b3 100644
--- a/src/render/index.ts
+++ b/src/render/index.ts
@@ -1,4 +1,4 @@
-import { resolve, extname } from 'node:path'
+import { resolve, extname } from 'pathe'
 import { resolveConfigObject } from '../config/index.ts'
 import { runTransformers } from '../transformers/index.ts'
 import { createPlaintext } from '../plaintext.ts'
diff --git a/src/serve.ts b/src/serve.ts
index 64da05a7..ba31779f 100644
--- a/src/serve.ts
+++ b/src/serve.ts
@@ -582,7 +582,7 @@ async function serveStats(url: string, config: MaizzleConfig, renderer: Renderer
     const { rawHtml } = await getRendered(absolutePath, config, renderer)
     const html = stripForHtml(rawHtml)
 
-    const sizeBytes = Buffer.byteLength(html, 'utf-8')
+    const sizeBytes = new TextEncoder().encode(html).length
 
     // Count images: <img> tags and CSS background images
     const imgTags = (html.match(/<img\b[^>]*>/gi) || []).length
diff --git a/src/transformers/tailwindComponent.ts b/src/transformers/tailwindComponent.ts
index 7a9a504a..ee713d26 100644
--- a/src/transformers/tailwindComponent.ts
+++ b/src/transformers/tailwindComponent.ts
@@ -1,4 +1,4 @@
-import { resolve } from 'node:path'
+import { resolve } from 'pathe'
 import type { ChildNode, Element, Comment } from 'domhandler'
 import { walk } from '../utils/ast/index.ts'
 import { compileTailwindCss } from '../utils/compileTailwindCss.ts'
diff --git a/src/transformers/tailwindcss.ts b/src/transformers/tailwindcss.ts
index ae7967d6..2faa4b60 100644
--- a/src/transformers/tailwindcss.ts
+++ b/src/transformers/tailwindcss.ts
@@ -1,4 +1,4 @@
-import { resolve, dirname, relative } from 'node:path'
+import { resolve, dirname, relative } from 'pathe'
 import type { ChildNode, Element } from 'domhandler'
 import { walk } from '../utils/ast/index.ts'
 import { decodeStyleEntities } from '../utils/decodeStyleEntities.ts'
diff --git a/src/utils/compileTailwindCss.ts b/src/utils/compileTailwindCss.ts
index 682bd2ba..8892f18d 100644
--- a/src/utils/compileTailwindCss.ts
+++ b/src/utils/compileTailwindCss.ts
@@ -29,12 +29,12 @@ export function createTailwindProcessor(config: MaizzleConfig) {
 export function lowerCssSyntax(css: string): string {
   const result = transform({
     filename: 'email.css',
-    code: Buffer.from(css),
+    code: new TextEncoder().encode(css),
     minify: false,
     targets: { ie: 4 << 5 },
   })
 
-  return result.code.toString()
+  return new TextDecoder().decode(result.code)
 }
 
 export async function optimizeTailwindCss(css: string, config: MaizzleConfig): Promise<string> {
diff --git a/src/utils/componentSources.ts b/src/utils/componentSources.ts
index 8ed91bdb..fde3212d 100644
--- a/src/utils/componentSources.ts
+++ b/src/utils/componentSources.ts
@@ -1,4 +1,4 @@
-import { resolve, relative } from 'node:path'
+import { resolve, relative } from 'pathe'
 import type { ComponentSource } from '../types/config.ts'
 
 /**
@@ -72,7 +72,7 @@ export interface ComponentNameOptions {
 export function componentNameFromPath(opts: ComponentNameOptions): string {
   const { filePath, dirRoot, prefix, pathPrefix } = opts
 
-  const rel = relative(dirRoot, filePath).replace(/\\/g, '/')
+  const rel = relative(dirRoot, filePath)
   const noExt = rel.replace(/\.(vue|md)$/, '')
   const segments = noExt.split('/').map(pascalCase)
   const fileName = segments.pop() ?? ''
diff --git a/src/utils/watchPaths.ts b/src/utils/watchPaths.ts
index bdb968c3..83fc43a1 100644
--- a/src/utils/watchPaths.ts
+++ b/src/utils/watchPaths.ts
@@ -1,4 +1,4 @@
-import { matchesGlob, relative } from 'node:path'
+import { matchesGlob, relative } from 'pathe'
 
 /**
  * Build a predicate that tells whether an absolute file path emitted by
@@ -9,7 +9,7 @@ import { matchesGlob, relative } from 'node:path'
 export function createWatchedFileMatcher(patterns: string[], cwd: string) {
   const normalized = patterns.map(p => p.replace(/^\.\//, ''))
   return (file: string) => {
-    const rel = relative(cwd, file).replace(/\\/g, '/')
+    const rel = relative(cwd, file)
     return normalized.some(p => matchesGlob(rel, p))
   }
 }