{
  config,
  pkgs,
  accentColour ? "base07",
  ...
}: {
  systemd.user.targets.tray.Unit = {
    Description = "Home Manager System Tray";
    Requires = ["graphical-session-pre.target"];
  };
  programs.waybar = {
    enable = true;
    systemd = {
      enable = true;
      target = "hyprland-session.target";
    };
    settings.main = {
      layer = "top";
      position = "bottom";
      # Layout
      "modules-left" = ["hyprland/window" "mpris"];
      "modules-center" = ["hyprland/workspaces"];
      "modules-right" = [
        "custom/notification"
        "pulseaudio"
        "network"
        "bluetooth"
        "clock#calendar"
        "clock"
        "backlight"
        "battery"
        "custom/weather"
        "tray"
      ];
      # Module config
      "hyprland/window" = {
        "format" = "{title}";
        "rewrite" = {
          "(.*) - GNU Emacs at (.*)" = "  $1 [$2]";
          "(Alacritty.*)" = "  $1";
          "(.*) - mpv" = "󰦟  $1";
          "(btm)" = "  Resource Usage [$1]";
          "(cava)" = "󰝚  Music Visualiser [$1]";
          "(.*) - Thunar" = "󰝰  $1";
          "Nyxt - (.*)" = "󰀹  $1";
          "Mozilla Firefox" = "󰈹  $1";
          "(.*) — Mozilla Firefox" = "󰈹  $1";
          "((?:.*)WebCord.*)" = "󰙯  $1";
          "(Signal.*)" = "󰭹  $1";
          "(WhatsApp for Linux.*)" = "󰖣  $1";
          "([Ss]team)" = "󰓓  $1";
          "(Prism Launcher.*)" = "󰍳  Minecraft ($1)";
          "Microsoft Teams(?: classic)?(?: - )?(.*)(?: \| Microsoft Teams)?" = "󰊻  $1";
        };
        "separate-outputs" = true;
      };
      "hyprland/workspaces" = {
        format = "{icon}";
        format-icons = {
          default = "󰋙 ";
          active = "󰫈 ";
          urgent = "󰁡 ";
        };
        show-special = false;
        persistent-workspaces = {
          "1" = [];
          "2" = [];
          "3" = [];
          "4" = [];
          "5" = [];
          "6" = [];
          "7" = [];
          "8" = [];
          "9" = [];
        };
      };
      mpris = {
        "format" = "> {player_icon} {player}";
        "tooltip-format" = "{player_icon} ({player}) {dynamic}";
        "interval" = 1;
        "dynamic-order" = ["album" "artist" "title" "position" "length"];
        "player-icons" = {
          "default" = "󰲸 ";
          "emms" = " ";
          "firefox" = "󰈹 ";
          "mpv" = "󰦟 ";
        };
        "status-icons" = {
          "playing" = "󰐊";
          "paused" = "󰏤";
          "stopped" = "󰓛";
        };
        "ignored-players" = [];
      };
      pulseaudio = {
        scroll-step = 5;
        format = "{format_source}{icon}{volume}%";
        format-muted = "{format_source} 󰝟 ";
        format-source = "󰍬 ";
        format-source-muted = "󰍭 ";
        format-icons = {
          car = "󰄍 ";
          default = ["󰕿 " "󰖀 " "󰕾 "];
          hands-free = "󰥰 ";
          headset = "󰋎 ";
          phone = "󰏲 ";
          portable = "󰏳 ";
          headphone = "󰋋 ";
        };
        on-click = "${pkgs.pavucontrol}/bin/pavucontrol";
        on-click-right = "${pkgs.pamixer}/bin/pamixer -t";
        on-scroll-up = "${pkgs.pamixer}/bin/pamixer -i 5";
        on-scroll-down = "${pkgs.pamixer}/bin/pamixer -d 5";
      };
      disk = {
        format = "󰋊 {percentage_used}%";
        path = config.home.homeDirectory;
      };
      cpu = {
        format = "󰻠 {usage}%";
        tooltip = false;
      };
      memory = {format = "󰍛 {}%";};
      temperature = {
        critical-threshold = 80;
        format = "{icon} {temperatureC}°C";
        format-icons = ["󱃃" "󰔏" "󱃂"];
      };
      network = {
        format-icons = ["󰤟 " "󰤢 " "󰤥 " "󰤨 "];
        format-wifi = "{icon}";
        format-ethernet = "󰈁 ";
        tooltip-format = "{essid} ({signalStrength}%)";
        format-linked = "󰈂 ";
        format-disconnected = "󰈂 ";
      };
      bluetooth = {
        format = "󰂯";
        format-disabled = "󰂲";
        format-off = "󰂲";
        format-on = "󰂯";
        format-connected = "󰂱";
        tooltip-format = "{status} | {device_alias}";
        on-click = "${pkgs.bluez}/bin/bluetoothctl power on";
        on-click-right = "${pkgs.bluez}/bin/bluetoothctl power off";
      };
      "clock#calendar" = {
        format = "{:󰃭 %Y-%m-%d}";
        tooltip-format = "<tt><small>{calendar}</small></tt>";
        calendar = {
          mode = "month";
          mode-mon-col = 3;
          weeks-pos = "left";
          on-scroll = 1;
          on-click-right = "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>";
          };
        };
        actions = {
          on-click-right = "mode";
          on-scroll-up = "shift_up";
          on-scroll-down = "shift_down";
        };
      };
      clock = {format = "{:󰥔 %R}";};
      backlight = {
        format = "{icon}";
        tooltip-format = "{percent}%";
        format-icons = [" " " " " " " " " " " " " " " " " "];
      };
      battery = {
        states = {
          warning = 30;
          critical = 20;
        };
        format = "{icon}";
        format-charging = "󰂄 ";
        format-plugged = "󰚥 ";
        tooltip-format = "{capacity}% {time}";
        format-icons = ["󱃍 " "󰁺 " "󰁻 " "󰁼 " "󰁽 " "󰁾 " "󰁿 " "󰂀 " "󰂁 " "󰂂 " "󰁹 "];
      };
      "custom/notification" = let
        swaync = pkgs.swaynotificationcenter;
      in {
        "tooltip" = false;
        "format" = "{icon}{}";
        "format-icons" = {
          "notification" = "󱅫 ";
          "none" = "󰂚 ";
          "dnd-notification" = "󰅸 ";
          "dnd-none" = "󰂜 ";
          "inhibited-notification" = "󰅸 ";
          "inhibited-none" = "󰂜 ";
          "dnd-inhibited-notification" = "󰅸 ";
          "dnd-inhibited-none" = "󰂜 ";
        };
        "return-type" = "json";
        "exec-if" = "which ${swaync}/bin/swaync-client";
        "exec" = "${swaync}/bin/swaync-client -swb";
        "on-click" = "${swaync}/bin/swaync-client -t -sw";
        "on-click-right" = "${swaync}/bin/swaync-client -d -sw";
        "escape" = true;
      };
      "custom/weather" = {
        "format" = "{}°";
        "tooltip" = true;
        "interval" = 900; # Every 15 minutes
        "exec" = "${pkgs.wttrbar}/bin/wttrbar --location Didcot --hide-conditions";
        "return-type" = "json";
      };
      tray = {
        icon-size = config.stylix.fonts.sizes.desktop;
        show-passive-items = true;
        spacing = 5;
      };
    };
    style = with config.stylix;
    with config.lib.stylix.colors.withHashtag; let
      accent = config.lib.stylix.colors.withHashtag.${accentColour};
    in ''
      * {
          all: unset;
          font-size: ${toString fonts.sizes.desktop}px;
          font-family: "${fonts.monospace.name}";
      }

      window {
          background: transparent;
      }

      window > box {
          color: ${base05};
          background: alpha(${base00}, ${toString opacity.desktop});
          margin: 0px 10px 5px;
          padding: 0px;
          border: 1px solid ${accent};
          border-radius: 10px;
      }

      tooltip {
          color: ${base05};
          background: alpha(${base00}, ${toString opacity.popups});
          border: 1px solid ${accent};
          border-radius: 10px;
          padding: 5px;
          margin: 0px;
      }

      #workspaces,
      #window,
      #mpris,
      #pulseaudio,
      #network,
      #bluetooth,
      #backlight,
      #battery,
      #clock,
      #custom-notification,
      #custom-weather,
      #tray {
          margin: 0px;
          padding: 1px 5px;
      }

      #workspaces,
      #window,
      #mpris,
      #tray,
      #backlight,
      #battery,
      #custom-weather {
          color: ${base05};
      }

      #workspaces button {
          background: transparent;
          color: ${base05};
          margin: 0px;
          padding: 0px 5px;
      }
      #workspaces button.empty {
          color: ${base03};
      }
      #workspaces button.active {
          color: ${accent};
      }
      #workspaces button.urgent {
          color: ${base09};
      }

      #custom-notification {
          color: ${base08};
      }
      #pulseaudio {
          color: ${base09};
      }
      #network {
          color: ${base0A};
      }
      #bluetooth {
          color: ${base0B};
      }
      #clock.calendar {
          color: ${base0C};
      }
      #clock {
          color: ${base0D};
      }
    '';
  };
}