{ config, ... }: {
  programs.waybar = {
    enable = true;
    systemd.enable = true;
    systemd.target = "hyprland-session.target";
    settings = {
      mainBar = {
        layer = "top";
        position = "top";
        height = 40;
        modules-left = [ "hyprland/workspaces" ];
        modules-center = [ "clock" ];
        modules-right = [ "pulseaudio" "bluetooth" "network" "backlight/slider" "battery" "cpu" "temperature" "memory" "keyboard_state" "tray" ];

        "tray" = {
          icon-size = 21;
          spacing = 10;
        };
        "pulseaudio" = {
          # // "scroll-step": 1, // %, can be a float
          format = "{volume}% {icon} {format_source}";
          format-bluetooth = "{volume}% {icon} {format_source}";
          format-bluetooth-muted = " {icon} {format_source}";
          format-muted = " {format_source}";
          format-source = "{volume}% ";
          format-source-muted = "";
          format-icons = {
            headphone = "";
            hands-free = "";
            headset = "";
            phone = "";
            portable = "";
            car = "";
            default = [ "" "" "" ];
          };
          on-click = "pavucontrol";
        };
        "wireplumber" = {
          on-click = "helvum";
          max-volume = 150;
          scroll-step = 0.2;

          # format-bluetooth = "{volume}% {icon} {format_source}";
          # format-bluetooth-muted = " {icon} {format_source}";
          format-muted = " ";
          format = "{volume}% {icon} ";
          # format-source-muted = "";
          format-icons = {
            # headphone = "";
            # hands-free = "";
            # headset = "";
            # phone = "";
            # portable = "";
            # car = "";
            default = [ "" "" "" ];
          };
          # on-click = "pavucontrol"
        };
        "network" = {
          format-wifi = "{essid} ({signalStrength}%) ";
          format-ethernet = "{ipaddr}/{cidr} ";
          tooltip-format = "{ifname} via {gwaddr} ";
          format-linked = "{ifname} (No IP) ";
          format-disconnected = "Disconnected ⚠";
          format-alt = "{ifname}: {ipaddr}/{cidr}";
        };
        "backlight/slider" =  {
          min = 1;
          max = 100;
          orientation = "horizontal";
          # device = "intel_backlight";
        };
        "clock" = {
          format = "{:%H:%M}  ";
          format-alt = "{:%A, %B %d, %Y (%R)}  ";
          # timezone = config.time.timeZone;
          timezone = "US/Mountain";
          tooltip-format = "<tt><small>{calendar}</small></tt>";
        "calendar" = {
          mode = "year";
          mode-mon-col = 3;
          weeks-pos = "right";
          on-scroll = 1;
          on-right-click = "mode";
          "format" = {
            months =     "<span color='#ffead3'><b>{}</b></span>";
            days =       "<span color='#ecc6d9'><b>{}</b></span>";
            weeks =      "<span color='#99ffdd'><b>W{}</b></span>";
            weekdays =   "<span color='#ffcc66'><b>{}</b></span>";
            today =      "<span color='#ff6699'><b><u>{}</u></b></span>";
          };
        };
        };
        "battery" = {
          interval = 60;
          states = {
              "warning" = 30;
              "critical" = 15;
          };
          format = "{capacity}% {icon}";
          format-icons = [ "" "" "" "" "" ];
          max-length = 25;
        };
        cpu = {
          format = "{usage}% ";
          tooltip = false;
        };
        "memory" = {
          format = "{used:0.1f}G/{total:0.1f}G ";
        };
        "temperature" = {
          format = "{temperatureC}°C ";
        };
        "keyboard-state" = {
          numlock = true;
          capslock = true;
          "format" = {
              numlock = "N {icon}";
              # capslock =  "C {icon}";                                                                                                                                                       
          };
          "format-icons" = {
              locked =  "";
              unlocked =  "";
          };
        };
      };
    };
  };
  
}