_:
let
  windowRules = [
    {
      geometry-corner-radius =
        let
          radius = 12.0;
        in
        {
          bottom-left = radius;
          bottom-right = radius;
          top-left = radius;
          top-right = radius;
        };
      clip-to-geometry = true;
      draw-border-with-background = false;
    }
    {
      matches = [
        { is-floating = true; }
      ];
      shadow.enable = true;
    }
    {
      matches = [
        {
          is-window-cast-target = true;
        }
      ];
      focus-ring = {
        active.color = "#f38ba8";
        inactive.color = "#7d0d2d";
      };
      border = {
        inactive.color = "#7d0d2d";
      };
      shadow = {
        color = "#7d0d2d70";
      };
      tab-indicator = {
        active.color = "#f38ba8";
        inactive.color = "#7d0d2d";
      };
    }
    {
      matches = [{ app-id = "org.telegram.desktop"; }];
      block-out-from = "screencast";
    }
    {
      matches = [{ app-id = "app.drey.PaperPlane"; }];
      block-out-from = "screencast";
    }
    {
      matches = [
        { app-id = "zen"; }
        { app-id = "firefox"; }
        { app-id = "chromium-browser"; }
        { app-id = "xdg-desktop-portal-gtk"; }
      ];
      scroll-factor = 0.5;
    }
    {
      matches = [
        { app-id = "zen"; }
        { app-id = "firefox"; }
        { app-id = "chromium-browser"; }
        { app-id = "edge"; }
      ];
      open-maximized = true;
    }
    {
      matches = [
        {
          app-id = "firefox";
          title = "Picture-in-Picture";
        }
      ];
      open-floating = true;
      default-floating-position = {
        x = 32;
        y = 32;
        relative-to = "bottom-right";
      };
      default-column-width = {
        fixed = 480;
      };
      default-window-height = {
        fixed = 270;
      };
    }
    {
      matches = [
        {
          app-id = "zen";
          title = "Picture-in-Picture";
        }
      ];
      open-floating = true;
      default-floating-position = {
        x = 32;
        y = 32;
        relative-to = "bottom-right";
      };
      default-column-width = {
        fixed = 480;
      };
      default-window-height = {
        fixed = 270;
      };
    }
    {
      matches = [{ title = "Picture in picture"; }];
      open-floating = true;
      default-floating-position = {
        x = 32;
        y = 32;
        relative-to = "bottom-right";
      };
    }
    {
      matches = [{ title = "Discord Popout"; }];
      open-floating = true;
      default-floating-position = {
        x = 32;
        y = 32;
        relative-to = "bottom-right";
      };
    }
    {
      matches = [{ app-id = "pavucontrol"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "pavucontrol-qt"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "com.saivert.pwvucontrol"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "io.github.fsobolev.Cavalier"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "dialog"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "popup"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "task_dialog"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "gcr-prompter"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "file-roller"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "org.gnome.FileRoller"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "nm-connection-editor"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "blueman-manager"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "xdg-desktop-portal-gtk"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "org.kde.polkit-kde-authentication-agent-1"; }];
      open-floating = true;
    }
    {
      matches = [{ app-id = "pinentry"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Progress"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "File Operations"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Copying"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Moving"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Properties"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Downloads"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "file progress"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Confirm"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Authentication Required"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Notice"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Warning"; }];
      open-floating = true;
    }
    {
      matches = [{ title = "Error"; }];
      open-floating = true;
    }
  ];
in
{
  programs.niri.settings = {
    window-rules = windowRules;
    layer-rules = [
      {
        matches = [{ namespace = "^swww$"; }];
        place-within-backdrop = true;
      }
    ];
  };
}