{
  pkgs,
  myConfig,
  id,
  name,
  url,
  ...
}: {
  inherit id name;
  # Note: This profile relies on the global tridactylrc logic in default.nix
  # to dynamically set 'newtab' via the TRIDACTYL_NEWTAB environment variable.
  search.force = true;
  search.default = "ddg";
  extensions.force = true;
  extensions.packages = with pkgs.nur.repos.rycee.firefox-addons; [
    ublock-origin
    bitwarden
    tridactyl
    new-tab-override
    pywalfox
  ];

  settings = {
    # --- New Tab Override ---
    "extensions.newtaboverride@agenedia.com.url" = url;
    "extensions.newtaboverride@agenedia.com.type" = 1; # URL mode

    # --- Privacy & Hardening ---
    "browser.contentblocking.category" = "strict";
    "privacy.trackingprotection.enabled" = true;
    "privacy.resistFingerprinting" = true; # Note: Spoofs timezone and caps FPS to 60
    "geo.enabled" = false;
    "media.peerconnection.enabled" = false; # Prevents WebRTC IP leaks
    "network.dns.disablePrefetch" = true;
    "network.prefetch-next" = false;

    # --- NixOS / Hyprland Integration ---
    "widget.use-xdg-desktop-portal.file-picker" = 1; # Use native file picker

    # --- UI & Behavior ---
    "browser.toolbars.bookmarks.visibility" = "never";
    "browser.compactmode.show" = true;
    "browser.tabs.closeWindowWithLastTab" = false;
    "extensions.pocket.enabled" = false;
    "extensions.screenshots.disabled" = true;
    "browser.topsites.contile.enabled" = false;
    "browser.formfill.enable" = false;
    "browser.search.suggest.enabled" = false;
    "browser.search.suggest.enabled.private" = false;
    "browser.urlbar.suggest.searches" = false;
    "browser.urlbar.showSearchSuggestionsFirst" = false;
    "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
    "browser.newtabpage.activity-stream.feeds.snippets" = false;
    "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
    "browser.newtabpage.activity-stream.section.highlights.includeBookmarks" = false;
    "browser.newtabpage.activity-stream.section.highlights.includeDownloads" = false;
    "browser.newtabpage.activity-stream.section.highlights.includeVisited" = false;
    "browser.newtabpage.activity-stream.showSponsored" = false;
    "browser.newtabpage.activity-stream.system.showSponsored" = false;
    "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
    "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
    "extensions.autoDisableScopes" = 0; # Enable extensions by default

    # --- Homepage & Navigation ---
    "browser.startup.page" = 1; # Always open the homepage
    "browser.startup.homepage" = url;
    "browser.newtab.url" = url; # Try to set newtab to homepage
    "browser.sessionstore.resume_from_crash" = false; # Always start fresh
    "browser.sessionstore.max_tabs_undo" = 0; # Disable undo close tab

    # --- DNS over HTTPS (Quad9) ---
    "network.trr.mode" = 2; # Use DoH with system fallback
    "network.trr.uri" = "https://dns.quad9.net/dns-query";
  };
  #
  # userChrome = ''
  #   /* --- Autohide Entire Toolbox (Tabs + Address Bar) --- */
  #   /* Adapted from MrOtherGuy's autohide_main_toolbar.css */
  #
  #   :root{
  #     /* Height of Tabs + Nav Bar approx 80px */
  #     --uc-navbar-transform: -85px;
  #     --uc-autohide-toolbar-delay: 0.1s;
  #     --uc-autohide-toolbar-duration: 200ms;
  #   }
  #   :root[uidensity="compact"]{ --uc-navbar-transform: -70px }
  #
  #   #navigator-toolbox > div{ display: contents; }
  #
  #   /* Apply transform to TabsToolbar AND Nav-bar */
  #   :root[sessionrestored] :where(#nav-bar,#PersonalToolbar,#TabsToolbar,#tab-notification-deck,.global-notificationbox,#notifications-toolbar){
  #     transform: translateY(var(--uc-navbar-transform))
  #   }
  #
  #   :root:is([customizing],[chromehidden*="toolbar"]) :where(#nav-bar,#PersonalToolbar,#TabsToolbar,#tab-notification-deck,.global-notificationbox,#notifications-toolbar){
  #     transform: none !important;
  #     opacity: 1 !important;
  #   }
  #
  #   /* Hide styles for Nav-Bar AND TabsToolbar */
  #   :where(#nav-bar,#TabsToolbar):not([customizing]){
  #     opacity: 0;
  #     transition:  transform var(--uc-autohide-toolbar-duration) ease var(--uc-autohide-toolbar-delay), opacity var(--uc-autohide-toolbar-duration) ease var(--uc-autohide-toolbar-delay) !important;
  #     position: relative;
  #     z-index: 2;
  #     background-color: #1c1b22 !important; /* Solid background */
  #   }
  #
  #   #navigator-toolbox,
  #   #sidebar-box,
  #   #sidebar-main,
  #   #sidebar-splitter,
  #   #tabbrowser-tabbox{
  #     z-index: auto !important;
  #   }
  #
  #   /* Show when toolbox is focused or hovered */
  #   #navigator-toolbox:focus-within > .browser-toolbar,
  #   .browser-titlebar:hover ~ :is(#nav-bar,#PersonalToolbar,#TabsToolbar),
  #   #nav-bar:hover,
  #   #TabsToolbar:hover,
  #   #nav-bar:hover + #PersonalToolbar{
  #     transform: translateY(0);
  #     opacity: 1;
  #     transition-duration: var(--uc-autohide-toolbar-duration), var(--uc-autohide-toolbar-duration) !important;
  #     transition-delay: 0s !important;
  #   }
  #
  #   /* Ensure popups still work (URL bar) */
  #   :root[sessionrestored] #urlbar[popover]{
  #     opacity: 0;
  #     pointer-events: none;
  #     transition: transform var(--uc-autohide-toolbar-duration) ease var(--uc-autohide-toolbar-delay), opacity var(--uc-autohide-toolbar-duration) ease var(--uc-autohide-toolbar-delay);
  #     transform: translateY(var(--uc-navbar-transform));
  #   }
  #   #mainPopupSet:has(> [panelopen]:not(#ask-chat-shortcuts,#selection-shortcut-action-panel,#chat-shortcuts-options-panel,#tab-preview-panel)) ~ toolbox #urlbar[popover],
  #   .browser-titlebar:is(:hover,:focus-within) ~ #nav-bar #urlbar[popover],
  #   #nav-bar:is(:hover,:focus-within) #urlbar[popover],
  #   #urlbar-container > #urlbar[popover]:is([focused],[open]){
  #     opacity: 1;
  #     pointer-events: auto;
  #     transition-delay: 0ms;
  #     transform: translateY(0);
  #   }
  #   :where(:root[sessionrestored]) #urlbar-container > #urlbar[popover]:is([focused],[open]){
  #    transition-duration: 100ms;
  #   }
  #
  #   /* --- CRITICAL FIX: Trigger Zone --- */
  #   /* Since we hide EVERYTHING, we need a hitbox at the top of the screen */
  #   #navigator-toolbox::after {
  #     content: "";
  #     position: fixed;
  #     top: 0;
  #     left: 0;
  #     width: 100%;
  #     height: 20px; /* Generous hit target */
  #     z-index: 10000;
  #     pointer-events: auto;
  #   }
  #
  #   /* When hitbox is hovered, reveal bars */
  #   #navigator-toolbox:hover :where(#nav-bar,#PersonalToolbar,#TabsToolbar) {
  #     transform: translateY(0) !important;
  #     opacity: 1 !important;
  #     transition-delay: 0s !important;
  #   }
  #
  #   /* Move up the content view to fill the gap */
  #   :root[sessionrestored]:not([chromehidden~="toolbar"]) > body > #browser{
  #     margin-top: var(--uc-navbar-transform);
  #   }
  #
  #   /* Fix Titlebar and Bookmarks */
  #   #titlebar { appearance: none !important; }
  #   #PersonalToolbar { visibility: collapse !important; }
  # '';
}