layout improvements

src/routes/+layout.svelte

@@ -17,7 +17,7 @@
 	- Desktop: 2-column grid, right column reserved for the in-flow player sidebar
 -->
 <div
-	class="min-h-dvh lg:grid lg:grid-rows-[auto_1fr] gap-16 lg:grid-cols-[1fr_420px]"
+	class="min-h-dvh not-xl:min-w-[80dvw] lg:grid lg:grid-rows-[auto_1fr] gap-16 lg:grid-cols-[1fr_420px]"
 >
 	<header
 		class="sticky top-0 z-40 border-b bg-background/80 backdrop-blur lg:col-span-2"
@@ -32,7 +32,7 @@
 		</div>
 	</header>
 
-	<main class="min-w-[60dvh]">
+	<main class="flex flex-col items-center]">
 		{@render children()}
 	</main>