fix: Resolve home page content disappearing issue

- Restricted HVAC plugin CSS/JS animations to only load on HVAC pages
- Fixed parse_request certificate handler to be more specific and less intrusive
- Prevented global CSS animations from affecting non-HVAC pages
- Home page content now renders properly without disappearing

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

wordpress-dev/wordpress/wp-content/plugins/hvac-community-events/hvac-community-events.php

@@ -217,9 +217,20 @@ register_deactivation_hook(__FILE__, 'hvac_ce_remove_roles');
 
 
 /**
- * Enqueue common styles and scripts for all HVAC Community Events pages
+ * Enqueue common styles and scripts for HVAC Community Events pages
  */
 function hvac_ce_enqueue_common_assets() {
+    // Check if we're on an HVAC plugin page to prevent conflicts with home page
+    $hvac_pages = [
+        'hvac-dashboard', 'community-login', 'trainer-registration', 'trainer-profile',
+        'manage-event', 'event-summary', 'email-attendees', 'certificate-reports',
+        'generate-certificates', 'certificate-fix', 'hvac-documentation'
+    ];
+    
+    $is_hvac_page = is_page($hvac_pages) || is_user_logged_in() && current_user_can('hvac_trainer');
+    
+    // Only load framework styles globally (these are safe and minimal)
+    if ($is_hvac_page) {
         // Enqueue the harmonized framework first - this provides the base styling
         wp_enqueue_style(
             'hvac-harmonized-framework',
@@ -236,7 +247,7 @@ function hvac_ce_enqueue_common_assets() {
             HVAC_CE_VERSION
         );
         
-    // Enqueue animations CSS file
+        // Enqueue animations CSS file (ONLY on HVAC pages)
         wp_enqueue_style(
             'hvac-animations',
             HVAC_CE_PLUGIN_URL . 'assets/css/hvac-animations.css',
@@ -244,7 +255,7 @@ function hvac_ce_enqueue_common_assets() {
             HVAC_CE_VERSION
         );
         
-    // Enqueue mobile navigation CSS file
+        // Enqueue mobile navigation CSS file (ONLY on HVAC pages)
         wp_enqueue_style(
             'hvac-mobile-nav',
             HVAC_CE_PLUGIN_URL . 'assets/css/hvac-mobile-nav.css',
@@ -261,7 +272,7 @@ function hvac_ce_enqueue_common_assets() {
             'print' // Print media only
         );
         
-    // Enqueue the accessibility helper JS for all pages
+        // Enqueue the accessibility helper JS (ONLY on HVAC pages)
         wp_enqueue_script(
             'hvac-accessibility-js',
             HVAC_CE_PLUGIN_URL . 'assets/js/hvac-accessibility.js',
@@ -270,7 +281,7 @@ function hvac_ce_enqueue_common_assets() {
             true // Load in footer
         );
         
-    // Enqueue animations JS for all pages
+        // Enqueue animations JS (ONLY on HVAC pages)
         wp_enqueue_script(
             'hvac-animations-js',
             HVAC_CE_PLUGIN_URL . 'assets/js/hvac-animations.js',
@@ -279,7 +290,7 @@ function hvac_ce_enqueue_common_assets() {
             true // Load in footer
         );
         
-    // Enqueue mobile navigation JS for all pages
+        // Enqueue mobile navigation JS (ONLY on HVAC pages)
         wp_enqueue_script(
             'hvac-mobile-nav-js',
             HVAC_CE_PLUGIN_URL . 'assets/js/hvac-mobile-nav.js',
@@ -287,6 +298,7 @@ function hvac_ce_enqueue_common_assets() {
             HVAC_CE_VERSION,
             true // Load in footer
         );
+    }
     
     // Enqueue page-specific enhanced styles based on current page
     if (is_page('hvac-dashboard')) {

wordpress-dev/wordpress/wp-content/plugins/hvac-community-events/includes/certificates/class-certificate-security.php

@@ -122,29 +122,30 @@ class HVAC_Certificate_Security {
      * This is a fallback method that works even if rewrite rules fail.
      */
     public function parse_certificate_request($wp) {
+        // Only process if we haven't already handled via template_redirect
+        if (did_action('template_redirect')) {
+            return;
+        }
+        
         $request_uri = $_SERVER['REQUEST_URI'];
         
-        // Check if this is a certificate download request
+        // Only match exact certificate download URLs - be very specific
-        if (preg_match('#/hvac-certificate/([^/]+)/?#', $request_uri, $matches)) {
+        if (preg_match('#^/hvac-certificate/([a-zA-Z0-9]{32})/?$#', $request_uri, $matches)) {
             $certificate_token = $matches[1];
             
-            // Validate the token
+            // Validate the token exists (don't delete it yet - let the normal handler do that)
-            $certificate_data = $this->validate_download_token($certificate_token);
+            $certificate_data = get_transient('hvac_certificate_token_' . $certificate_token);
             
             if (!$certificate_data) {
-                wp_die(__('Invalid or expired certificate download link.', 'hvac-community-events'));
+                // Return 404 instead of wp_die to avoid interfering with other pages
+                status_header(404);
+                return;
             }
             
-            // Get file path
+            // If we have valid certificate data, let the normal template_redirect handler take over
-            $file_path = $this->get_certificate_file_path($certificate_data);
+            // Set the query var so the normal handler can pick it up
-            
+            set_query_var('certificate_token', $certificate_token);
-            if (!$file_path || !file_exists($file_path)) {
+            return;
-                wp_die(__('Certificate file not found.', 'hvac-community-events'));
-            }
-            
-            // Serve the file
-            $this->serve_certificate_file($file_path, $certificate_data);
-            exit;
         }
     }