make data folder automaically

server.js

@@ -10,14 +10,17 @@ const CSV_FILE  = path.join(BASE, 'data', 'responses.csv');
 
 // Compile SCSS on startup
 try {
+  const cssDir = path.join(BASE, 'public', 'css');
+  fs.mkdirSync(cssDir, { recursive: true });
   const result = sass.compile(path.join(BASE, 'src', 'styles', 'main.scss'), { style: 'compressed' });
-  fs.writeFileSync(path.join(BASE, 'public', 'css', 'main.css'), result.css);
+  fs.writeFileSync(path.join(cssDir, 'main.css'), result.css);
   console.log('SCSS compiled successfully');
 } catch (err) {
   console.error('SCSS compile error:', err.message);
 }
 
-// Ensure data files exist
+// Ensure data directory & files exist (data/ is gitignored, so a fresh clone has neither)
+fs.mkdirSync(path.dirname(DATA_FILE), { recursive: true });
 if (!fs.existsSync(DATA_FILE)) fs.writeFileSync(DATA_FILE, JSON.stringify([], null, 2));
 if (!fs.existsSync(CSV_FILE))  fs.writeFileSync(CSV_FILE, buildCSVHeader() + '\n');