since3-portal/app/layout.tsx

import type { Metadata, Viewport } from "next";
import { Inter, JetBrains_Mono } from "next/font/google";
import { ThemeProvider } from "@/components/theme-provider";
import "./globals.css";

const inter = Inter({
  variable: "--font-inter",
  subsets: ["latin"],
});

const jetbrainsMono = JetBrains_Mono({
  variable: "--font-jetbrains-mono",
  subsets: ["latin"],
});

export const metadata: Metadata = {
  title: "Since3 Portal",
  description: "Kundenportal von Since3: Status, Rechnungen, Dokumente und Zugangsdaten.",
  applicationName: "Since3 Portal",
  appleWebApp: {
    capable: true,
    title: "Since3",
    statusBarStyle: "default",
  },
  formatDetection: {
    telephone: false,
  },
};

export const viewport: Viewport = {
  themeColor: [
    { media: "(prefers-color-scheme: light)", color: "#fcfcfc" },
    { media: "(prefers-color-scheme: dark)", color: "#020202" },
  ],
};

export default function RootLayout({ children }: LayoutProps<"/">) {
  return (
    <html
      lang="de"
      className={`${inter.variable} ${jetbrainsMono.variable} h-full antialiased`}
      suppressHydrationWarning
    >
      <body className="min-h-full flex flex-col">
        <ThemeProvider>{children}</ThemeProvider>
      </body>
    </html>
  );
}