feat: upgrade to tailwindcss v4

app/routes/dns/components/manage-domains.tsx

@@ -167,7 +167,7 @@ function Domain({ domain, id, isDragging, isDisabled }: DomainProps) {
 			ref={setNodeRef}
 			className={cn(
 				isSortableDragging ? 'opacity-50' : '',
-				isDragging ? 'ring bg-white dark:bg-headplane-900' : '',
+				isDragging ? 'ring-3 bg-white dark:bg-headplane-900' : '',
 			)}
 			style={{
 				transform: CSS.Transform.toString(transform),
@@ -179,7 +179,7 @@ function Domain({ domain, id, isDragging, isDisabled }: DomainProps) {
 					<GripVertical
 						{...attributes}
 						{...listeners}
-						className="p-0.5 focus:ring outline-none rounded-md"
+						className="p-0.5 focus:ring-3 outline-hidden rounded-md"
 					/>
 				)}
 				{domain}

app/routes/dns/overview.tsx

@@ -70,7 +70,7 @@ export default function Page() {
 	const isDisabled = data.access === false || data.writable === false;
 
 	return (
-		<div className="flex flex-col gap-16 max-w-screen-lg">
+		<div className="flex flex-col gap-16 max-w-(--breakpoint-lg)">
 			{data.writable ? undefined : (
 				<Notice>
 					The Headscale configuration is read-only. You cannot make changes to