style: remove width constraints to allow full-width notes

src/components/MarkdownView.tsx

@@ -5,7 +5,7 @@ import rehypeKatex from "rehype-katex";
 
 export default function MarkdownView({ children }: { children: string }) {
   return (
-    <div className="max-w-6xl mx-auto py-8 px-4 sm:px-12 bg-slate-900/30 rounded-2xl border border-slate-800/50 backdrop-blur-sm shadow-2xl">
+    <div className="max-w-none w-full py-8 px-4 sm:px-16 bg-slate-900/30 rounded-2xl border border-slate-800/50 backdrop-blur-sm shadow-2xl">
       <ReactMarkdown
         remarkPlugins={[remarkGfm, remarkMath]}
         rehypePlugins={[rehypeKatex]}

src/pages/DocumentWorkspace.tsx

@@ -280,7 +280,7 @@ export default function DocumentWorkspace() {
         </div>
 
         <div className="flex-1 overflow-y-auto">
-          <TabsContent value="notes" className="m-0 p-4 sm:p-6 max-w-3xl mx-auto animate-fade-in">
+          <TabsContent value="notes" className="m-0 p-4 sm:p-6 w-full animate-fade-in">
             {note?.markdown ? (
               <div className="space-y-4">
                 <MarkdownView>{note.markdown}</MarkdownView>