Add keyboard navigation to more pages

- Books page: 2D grid navigation (up/down moves by row)
- Fruits of Spirit: entry navigation
- Tetragrammaton: section navigation
- Verse of the Day: archive table navigation

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

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

kjvstudy_org/templates/books.html

@@ -304,11 +304,20 @@
 
 <script>
 (function() {
-    const cards = document.querySelectorAll('.book-card');
+    const cards = Array.from(document.querySelectorAll('.book-card'));
     if (cards.length === 0) return;
 
     let selectedIndex = -1;
 
+    function getGridColumns() {
+        // Detect columns based on viewport and grid settings
+        const grid = document.querySelector('.book-grid');
+        if (!grid) return 1;
+        const style = getComputedStyle(grid);
+        const cols = style.gridTemplateColumns.split(' ').length;
+        return cols || 1;
+    }
+
     function selectCard(index) {
         // Remove previous selection
         if (selectedIndex >= 0 && selectedIndex < cards.length) {
@@ -332,12 +341,36 @@
         // Don't handle if user is typing in an input
         if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
 
+        const cols = getGridColumns();
+
         if (e.key === 'ArrowDown' || e.key === 'j') {
             e.preventDefault();
-            selectCard(selectedIndex + 1);
+            if (selectedIndex < 0) {
+                selectCard(0);
+            } else {
+                selectCard(selectedIndex + cols);
+            }
         } else if (e.key === 'ArrowUp' || e.key === 'k') {
             e.preventDefault();
-            selectCard(selectedIndex - 1);
+            if (selectedIndex < 0) {
+                selectCard(0);
+            } else if (selectedIndex - cols >= 0) {
+                selectCard(selectedIndex - cols);
+            }
+        } else if (e.key === 'ArrowRight' || e.key === 'l') {
+            e.preventDefault();
+            if (selectedIndex < 0) {
+                selectCard(0);
+            } else {
+                selectCard(selectedIndex + 1);
+            }
+        } else if (e.key === 'ArrowLeft' || e.key === 'h') {
+            e.preventDefault();
+            if (selectedIndex <= 0) {
+                history.back();
+            } else {
+                selectCard(selectedIndex - 1);
+            }
         } else if (e.key === 'Enter' && selectedIndex >= 0) {
             e.preventDefault();
             window.location.href = cards[selectedIndex].href;

kjvstudy_org/templates/fruits_of_spirit.html

@@ -274,6 +274,43 @@ document.addEventListener('DOMContentLoaded', function() {
         li.appendChild(a);
         tocList.appendChild(li);
     });
+
+    // Keyboard navigation
+    const entries = Array.from(document.querySelectorAll('.fruit-entry'));
+    if (entries.length === 0) return;
+
+    let selectedIndex = -1;
+
+    function selectEntry(index) {
+        if (selectedIndex >= 0 && selectedIndex < entries.length) {
+            entries[selectedIndex].style.outline = '';
+            entries[selectedIndex].style.outlineOffset = '';
+        }
+        selectedIndex = Math.max(0, Math.min(index, entries.length - 1));
+        entries[selectedIndex].style.outline = '2px solid #4a7c59';
+        entries[selectedIndex].style.outlineOffset = '4px';
+        entries[selectedIndex].scrollIntoView({ behavior: 'smooth', block: 'start' });
+    }
+
+    document.addEventListener('keydown', function(e) {
+        if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
+
+        if (e.key === 'ArrowDown' || e.key === 'j') {
+            e.preventDefault();
+            selectEntry(selectedIndex < 0 ? 0 : selectedIndex + 1);
+        } else if (e.key === 'ArrowUp' || e.key === 'k') {
+            e.preventDefault();
+            if (selectedIndex <= 0) selectEntry(0);
+            else selectEntry(selectedIndex - 1);
+        } else if (e.key === 'ArrowLeft' || e.key === 'h') {
+            e.preventDefault();
+            history.back();
+        } else if (e.key === 'Enter' && selectedIndex >= 0) {
+            e.preventDefault();
+            const link = entries[selectedIndex].querySelector('.fruit-name a');
+            if (link) window.location.href = link.href;
+        }
+    });
 });
 </script>
 {% endblock %}

kjvstudy_org/templates/tetragrammaton.html

@@ -151,6 +151,39 @@ document.addEventListener('DOMContentLoaded', function() {
         li.appendChild(a);
         tocList.appendChild(li);
     });
+
+    // Keyboard navigation for sections
+    const sections = Array.from(document.querySelectorAll('section h2')).map(h => h.closest('section'));
+    if (sections.length === 0) return;
+
+    let selectedIndex = -1;
+
+    function selectSection(index) {
+        if (selectedIndex >= 0 && selectedIndex < sections.length) {
+            sections[selectedIndex].style.outline = '';
+            sections[selectedIndex].style.outlineOffset = '';
+        }
+        selectedIndex = Math.max(0, Math.min(index, sections.length - 1));
+        sections[selectedIndex].style.outline = '2px solid #4a7c59';
+        sections[selectedIndex].style.outlineOffset = '4px';
+        sections[selectedIndex].scrollIntoView({ behavior: 'smooth', block: 'start' });
+    }
+
+    document.addEventListener('keydown', function(e) {
+        if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
+
+        if (e.key === 'ArrowDown' || e.key === 'j') {
+            e.preventDefault();
+            selectSection(selectedIndex < 0 ? 0 : selectedIndex + 1);
+        } else if (e.key === 'ArrowUp' || e.key === 'k') {
+            e.preventDefault();
+            if (selectedIndex <= 0) selectSection(0);
+            else selectSection(selectedIndex - 1);
+        } else if (e.key === 'ArrowLeft' || e.key === 'h') {
+            e.preventDefault();
+            history.back();
+        }
+    });
 });
 </script>
 {% endblock %}

kjvstudy_org/templates/verse_of_the_day.html

@@ -46,4 +46,44 @@
         </tbody>
     </table>
 </section>
+
+<script>
+(function() {
+    const rows = Array.from(document.querySelectorAll('tbody tr'));
+    if (rows.length === 0) return;
+
+    let selectedIndex = -1;
+
+    function selectRow(index) {
+        if (selectedIndex >= 0 && selectedIndex < rows.length) {
+            rows[selectedIndex].style.outline = '';
+            rows[selectedIndex].style.outlineOffset = '';
+        }
+        selectedIndex = Math.max(0, Math.min(index, rows.length - 1));
+        rows[selectedIndex].style.outline = '2px solid #4a7c59';
+        rows[selectedIndex].style.outlineOffset = '2px';
+        rows[selectedIndex].scrollIntoView({ behavior: 'smooth', block: 'center' });
+    }
+
+    document.addEventListener('keydown', function(e) {
+        if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
+
+        if (e.key === 'ArrowDown' || e.key === 'j') {
+            e.preventDefault();
+            selectRow(selectedIndex < 0 ? 0 : selectedIndex + 1);
+        } else if (e.key === 'ArrowUp' || e.key === 'k') {
+            e.preventDefault();
+            if (selectedIndex <= 0) selectRow(0);
+            else selectRow(selectedIndex - 1);
+        } else if (e.key === 'ArrowLeft' || e.key === 'h') {
+            e.preventDefault();
+            history.back();
+        } else if (e.key === 'Enter' && selectedIndex >= 0) {
+            e.preventDefault();
+            const link = rows[selectedIndex].querySelector('a');
+            if (link) window.location.href = link.href;
+        }
+    });
+})();
+</script>
 {% endblock %}