even more layout fixes

src/routes/+layout.svelte

@@ -18,7 +18,7 @@
 	- Desktop: 2-column grid, right column reserved for the in-flow player sidebar
 -->
 <div
-	class="min-h-dvh not-lg:w-full not-xl:min-w-[80dvw] lg:grid lg:grid-rows-[auto_1fr] gap-16 lg:grid-cols-[1fr_420px]"
+	class="flex flex-col min-h-dvh not-lg:w-full 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"
@@ -34,7 +34,7 @@
 		</div>
 	</header>
 
-	<main class="flex flex-col p-4 max-sm:px-2">
+	<main class="flex flex-col flex-1 p-4 max-sm:px-2">
 		{@render children()}
 	</main>