Fix resource detail page mobile viewport scaling

Added missing mobile media query to make max-width elements
(description, verse text, intro text) expand to 100% on mobile,
preventing the zoomed-out 55% width issue.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

kjvstudy_org/templates/resource_detail.html

@@ -105,6 +105,14 @@ article {
     height: 16px;
 }
 
+@media (max-width: 768px) {
+    .resource-description,
+    .verse-text,
+    .intro-text {
+        max-width: 100%;
+    }
+}
+
 @media print {
     .resource-actions {
         display: none;