Improve mobile chapter reading experience

- Full width poetry verses on small screens (no 55% constraint)
- Larger verse text on mobile (1.2rem, 1.8 line-height)
- Remove underlines from verse numbers on mobile

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

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

kjvstudy_org/templates/chapter.html

@@ -19,6 +19,24 @@
     width: 55%;
 }
 
+@media (max-width: 760px) {
+    .poetry-chapter p.verse-line {
+        width: 100%;
+    }
+
+    p[id^="verse-"] {
+        font-size: 1.2rem;
+        line-height: 1.8;
+    }
+
+    a.verse-number-link,
+    a.verse-number-link:visited,
+    a.verse-number-link:hover,
+    a.verse-number-link:active {
+        text-decoration: none !important;
+    }
+}
+
 .poetry-chapter .stanza-break {
     margin-top: 3.5em;
 }