feat: refine letters UI

app/books/sb/[canto]/[chapter]/[verse]/page.tsx

@@ -65,7 +65,7 @@ export default async function SbVersePage({
 
   return (
     <div className="min-h-screen bg-background">
-      <PageHeader sticky wide>
+      <PageHeader sticky>
         <Link
           href={`/books/sb/${canto}`}
           className="text-sm text-muted-foreground hover:text-foreground"
@@ -77,7 +77,7 @@ export default async function SbVersePage({
         </h1>
       </PageHeader>
 
-      <div className="w-full md:max-w-7xl mx-auto flex">
+      <div className="max-w-5xl mx-auto flex">
         <ChapterViewer
           initialVerse={verseData}
           initialVerseNum={requestedVerse}

app/books/sb/[canto]/page.tsx

@@ -54,7 +54,7 @@ export default async function CantoPage({
           <ExtractedVerseCount count={totalVerses} label="extracted verses" />
         </p>
       </PageHeader>
-      <main className="max-w-3xl mx-auto px-6 py-8">
+      <main className="max-w-5xl mx-auto px-6 py-8">
         <Card className="divide-y divide-border">
           <CardContent className="p-0">
             <ul className="divide-y divide-border">