{
  lib,
  osConfig,
  ...
}: let
  inherit (osConfig.theme.scheme) palette;
  inherit (lib) mapAttrsToList concatLines optionalString;

  generateGtkColors = palette: (concatLines
    (mapAttrsToList
      (name: color: "@define-color ${name} ${color};")
      palette));
in {
  programs.waybar.style =
    optionalString osConfig.theme.enable generateGtkColors palette
    + ''
      * {
        /* `otf-font-awesome` is required to be installed for icons */
        border: none;
        border-radius: 0px;
        min-height: 0;
      }

      window#waybar {
        border-radius: 2em;
        font-family: "Symbols Nerd Font", Inter, sans-serif;
        font-size: 16px;
        font-style: normal;
        background: alpha(
          @base00,
          0.9999999
        ); /* niri issue workaround, thanks https://github.com/oatmealine/nix-config/blob/bfdddd2cb36ef659bcddc28e0dbb542b6db8b3bc/modules/desktop/themes/catppuccin/waybar.css#L14 */
        color: @base05;
      }

      #workspaces,
      .modules-right box {
        background: @base02;
        padding: 0.15em 0.25em;
        border-radius: 1em;
        margin: 0 0.25em;
      }

      #workspaces {
        padding: 0;
        background: @base02;
      }

      #workspaces button:nth-child(1) {
        border-top-left-radius: 1em;
        border-bottom-left-radius: 1em;
      }
      #workspaces button:nth-last-child(1) {
        border-top-right-radius: 1em;
        border-bottom-right-radius: 1em;
      }

      #workspaces button {
        padding: 0 0.5em;
        background-color: transparent;
      }

      #workspaces button:hover {
        background: rgba(255, 255, 255, 0.1);
        box-shadow: none;
      }

      #workspaces button.active {
        background: @base0E;
        color: @base02;
      }

      #workspaces button.urgent {
        background: @base08;
      }

      #window {
        margin-left: 1em;
      }

      .modules-left,
      .modules-right {
        margin: 0.4em 0.5em;
      }

      #battery,
      #clock,
      #network,
      #pulseaudio,
      #tray,
      #power-profiles-daemon {
        padding: 0 0.5em;
      }

      .modules-left,
      .modules-right {
        margin: 0.4em 0.5em;
      }


      #custom-power {
        padding: 0 1.2em;
        color: @base08;
      }
    '';
}