feat(frontend): configure Tailwind CSS v4 with PostCSS

- Install tailwindcss, postcss, autoprefixer, and @tailwindcss/postcss - Create tailwind.config.js with content paths for all source files - Create postcss.config.js with Tailwind and Autoprefixer plugins - Update index.css with Tailwind directives (@tailwind base/components/utilities) - Update App.tsx to demonstrate Tailwind utility classes - Verify both build and dev server work correctly - Update TODO.md to mark task as complete
2026-03-24 00:42:34 -04:00 · 2026-03-24 00:42:34 -04:00 · 427fa46cf0
parent 63c77d226a
commit 427fa46cf0
7 changed files with 464 additions and 82 deletions
--- a/TODO.md
+++ b/TODO.md
@ -17,7 +17,7 @@

 ### Frontend Setup
 - [x] Initialize React + Vite project
- [ ] Configure Tailwind CSS
+- [x] Configure Tailwind CSS
 - [ ] Set up React Router
 - [ ] Create recipe list page
 - [ ] Create recipe detail/edit page
@ -46,7 +46,16 @@
 ## ✅ Completed Tasks

 ### 2026-03-24
- **Frontend initialization** (latest commit)
+- **Tailwind CSS configuration**
+  - Installed Tailwind CSS v4 with PostCSS and Autoprefixer
+  - Installed @tailwindcss/postcss plugin for v4 compatibility
+  - Created tailwind.config.js with content paths
+  - Created postcss.config.js with Tailwind and Autoprefixer
+  - Updated index.css with Tailwind directives
+  - Updated App.tsx to demonstrate Tailwind utility classes
+  - Verified build and dev server work correctly
+
+- **Frontend initialization**
  - Created frontend/ directory with Vite + React + TypeScript
  - Installed React Router 7
  - Set up project structure (components/, hooks/, pages/, services/, types/)
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@ -14,19 +14,36 @@
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        "@types/react-dom": "^19.2.3",
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        "eslint": "^9.39.4",
        "eslint-plugin-react-hooks": "^7.0.1",
        "eslint-plugin-react-refresh": "^0.5.2",
        "globals": "^17.4.0",
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@ -849,6 +866,277 @@
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@ -1288,6 +1576,43 @@
      "dev": true,
      "license": "Python-2.0"
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+          "url": "https://tidelift.com/funding/github/npm/autoprefixer"
+        },
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+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
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@ -1512,6 +1837,20 @@
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@ -1809,6 +2148,20 @@
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+      "license": "MIT",
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@ -1860,6 +2213,13 @@
        "url": "https://github.com/sponsors/sindresorhus"
      }
    },
+    "node_modules/graceful-fs": {
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@ -1954,6 +2314,16 @@
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@ -2339,6 +2709,16 @@
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@ -2524,6 +2904,13 @@
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@ -2735,6 +3122,27 @@
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+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.2.2.tgz",
+      "integrity": "sha512-KWBIxs1Xb6NoLdMVqhbhgwZf2PGBpPEiwOqgI4pFIYbNTfBXiKYyWoTsXgBQ9WFg/OlhnvHaY+AEpW7wSmFo2Q==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/tapable": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.3.2.tgz",
+      "integrity": "sha512-1MOpMXuhGzGL5TTCZFItxCc0AARf1EZFQkGqMm7ERKj8+Hgr5oLvJOVFcC+lRmR8hCe2S3jC4T5D7Vg/d7/fhA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      }
+    },
    "node_modules/tinyglobby": {
      "version": "0.2.15",
      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",
--- a/frontend/package.json
+++ b/frontend/package.json
@ -16,14 +16,18 @@
  },
  "devDependencies": {
    "@eslint/js": "^9.39.4",
+    "@tailwindcss/postcss": "^4.2.2",
    "@types/node": "^24.12.0",
    "@types/react": "^19.2.14",
    "@types/react-dom": "^19.2.3",
    "@vitejs/plugin-react": "^6.0.1",
+    "autoprefixer": "^10.4.27",
    "eslint": "^9.39.4",
    "eslint-plugin-react-hooks": "^7.0.1",
    "eslint-plugin-react-refresh": "^0.5.2",
    "globals": "^17.4.0",
+    "postcss": "^8.5.8",
+    "tailwindcss": "^4.2.2",
    "typescript": "~5.9.3",
    "typescript-eslint": "^8.57.0",
    "vite": "^8.0.1"
--- a/frontend/postcss.config.js
+++ b/frontend/postcss.config.js
@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    '@tailwindcss/postcss': {},
+    autoprefixer: {},
+  },
+}
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@ -1,19 +1,21 @@
-import './App.css'
-
 function App() {
  return (
-    <div className="App">
-      <header>
-        <h1>Recipe Manager</h1>
-        <p>Frontend initialized and ready for development</p>
+    <div className="min-h-screen bg-gray-50">
+      <header className="bg-white shadow">
+        <div className="max-w-7xl mx-auto py-6 px-4">
+          <h1 className="text-3xl font-bold text-gray-900">Recipe Manager</h1>
+          <p className="mt-2 text-gray-600">Frontend initialized and ready for development</p>
+        </div>
      </header>
-      <main>
-        <p>
-          Vite + React + TypeScript project created successfully.
+      <main className="max-w-7xl mx-auto py-6 px-4">
+        <div className="bg-white rounded-lg shadow p-6">
+          <p className="text-gray-700 mb-4">
+            ✅ Vite + React + TypeScript project created successfully.
          </p>
-        <p>
-          Next steps: Configure Tailwind CSS and React Router
+          <p className="text-gray-700">
+            ✅ Tailwind CSS configured and working!
          </p>
+        </div>
      </main>
    </div>
  )
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@ -1,3 +1,7 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
 :root {
  --text: #6b6375;
  --text-h: #08060d;
@ -15,19 +19,10 @@
  --heading: system-ui, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, Consolas, monospace;

-  font: 18px/145% var(--sans);
-  letter-spacing: 0.18px;
-  color-scheme: light dark;
-  color: var(--text);
-  background: var(--bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
-
-  @media (max-width: 1024px) {
-    font-size: 16px;
-  }
 }

@media (prefers-color-scheme: dark) {
@ -44,68 +39,15 @@
    --shadow:
      rgba(0, 0, 0, 0.4) 0 10px 15px -3px, rgba(0, 0, 0, 0.25) 0 4px 6px -2px;
  }
-
-  #social .button-icon {
-    filter: invert(1) brightness(2);
-  }
-}
-
-#root {
-  width: 1126px;
-  max-width: 100%;
-  margin: 0 auto;
-  text-align: center;
-  border-inline: 1px solid var(--border);
-  min-height: 100svh;
-  display: flex;
-  flex-direction: column;
-  box-sizing: border-box;
 }

 body {
  margin: 0;
+  font-family: var(--sans);
+  color: var(--text);
+  background: var(--bg);
 }

-h1,
-h2 {
-  font-family: var(--heading);
-  font-weight: 500;
-  color: var(--text-h);
-}
-
-h1 {
-  font-size: 56px;
-  letter-spacing: -1.68px;
-  margin: 32px 0;
-  @media (max-width: 1024px) {
-    font-size: 36px;
-    margin: 20px 0;
-  }
-}
-h2 {
-  font-size: 24px;
-  line-height: 118%;
-  letter-spacing: -0.24px;
-  margin: 0 0 8px;
-  @media (max-width: 1024px) {
-    font-size: 20px;
-  }
-}
-p {
-  margin: 0;
-}
-
-code,
-.counter {
-  font-family: var(--mono);
-  display: inline-flex;
-  border-radius: 4px;
-  color: var(--text-h);
-}
-
-code {
-  font-size: 15px;
-  line-height: 135%;
-  padding: 4px 8px;
-  background: var(--code-bg);
+#root {
+  min-height: 100vh;
 }
--- a/frontend/tailwind.config.js
+++ b/frontend/tailwind.config.js
@ -0,0 +1,11 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: [
+    "./index.html",
+    "./src/**/*.{js,ts,jsx,tsx}",
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}