Fix interlinear page header/nav width to match content

Removed 55% max-width constraints on page-header, breadcrumb, and
chapter-nav so they span the full width of the interlinear-page
container (90%).

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

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

Author: kennethreitz

kjvstudy_org/templates/chapter_interlinear.html

@@ -10,7 +10,7 @@
 }
 
 .page-header {
-    max-width: 55%;
+    max-width: 100%;
     margin-bottom: 1.5rem;
 }
 
@@ -48,7 +48,7 @@
 
 /* Breadcrumb */
 .breadcrumb {
-    max-width: 55%;
+    max-width: 100%;
     margin: 0 0 2rem 0;
     font-size: 0.9rem;
     color: var(--text-secondary);
@@ -70,7 +70,7 @@
 
 /* Chapter navigation */
 .chapter-nav {
-    max-width: 55%;
+    max-width: 100%;
     display: flex;
     justify-content: space-between;
     align-items: center;