feat: Downgrade to Tailwind v3 and restore build step

package.json

@@ -6,8 +6,8 @@
   "scripts": {
     "start": "cd server && node index.js",
     "dev:server": "NODE_ENV=development node -r dotenv/config --env-file=.env server/index.js",
-    "dev:css": "./node_modules/.bin/tailwindcss -c ./src/tailwind.config.js -i ./src/index.css -o ./src/public/output.css --watch",
-    "build:css": "npx @tailwindcss/cli -i ./src/index.css -o ./src/public/output.css --minify",
+    "dev:css": "tailwindcss -i ./src/index.css -o ./src/public/output.css --watch",
+    "build:css": "tailwindcss -c ./src/tailwind.config.js -i ./src/index.css -o ./src/public/output.css",
     "dev": "concurrently \"npm:dev:server\" \"npm:dev:css\"",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -21,11 +21,10 @@
   "author": "Richard Courtman",
   "license": "MIT",
   "dependencies": {
-    "concurrently": "^8.2.2",
-    "tailwindcss": "^4.1.4"
+    "concurrently": "^8.2.2"
   },
   "devDependencies": {
-    "@tailwindcss/cli": "^4.1.4",
+    "tailwindcss": "^3.4.4",
     "autoprefixer": "^10.4.21",
     "postcss": "^8.5.3"
   }

scripts/install-pulse.sh

@@ -248,7 +248,15 @@ perform_update() {
     cd .. # Back to PULSE_DIR
 
     # Build CSS after dependencies
-    echo "Skipping CSS build step (using pre-built CSS)."
+    print_info "Building CSS assets..."
+    if ! npm run build:css > /dev/null 2>&1; then
+        print_error "Failed to build CSS assets during update."
+        # Potentially return 1 here if CSS build failure is critical
+        # For now, just warn and continue
+        print_warning "Continuing update despite CSS build failure."
+    else
+        print_success "CSS assets built."
+    fi
 
     set_permissions # Ensure permissions are correct after update and build
 
@@ -821,7 +829,16 @@ case "$INSTALL_MODE" in
             install_npm_deps || exit 1 # Installs root and server (NOW INCLUDES DEV)
             
             # Build CSS after dependencies
-            echo "Skipping CSS build step (using pre-built CSS)."
+            print_info "Building CSS assets..."
+            cd "$PULSE_DIR" || { print_error "Failed to cd to $PULSE_DIR before building CSS"; exit 1; }
+            if ! npm run build:css > /dev/null 2>&1; then
+                print_error "Failed to build CSS assets."
+                exit 1
+            else
+                print_success "CSS assets built."
+            fi
+            # Now cd back if needed, though subsequent steps might need PULSE_DIR
+            # cd .. 
 
             set_permissions || exit 1 # Set permissions AFTER building css
             configure_environment || exit 1 # Prompt user for details