Pre-launch design sync with Figma spec (#2154)

* Add lookbook + viewcomponent, organize design system file

* Build menu component

* Button updates

* More button fixes

* Replace all menus with new ViewComponent

* Checkpoint: fix tests, all buttons and menus converted

* Split into Link and Button components for clarity

* Button cleanup

* Simplify custom confirmation configuration in views

* Finalize button, link component API

* Add toggle field to custom form builder + Component

* Basic tabs component

* Custom tabs, convert all menu / tab instances in app

* Gem updates

* Centralized icon helper

* Update all icon usage to central helper

* Lint fixes

* Centralize all disclosure instances

* Dialog replacements

* Consolidation of all dialog styles

* Test fixes

* Fix app layout issues, move to component with slots

* Layout simplification

* Flakey test fix

* Fix dashboard mobile issues

* Finalize homepage

* Lint fixes

* Fix shadows and borders in dark mode

* Fix tests

* Remove stale class

* Fix filled icon logic

* Move transparent? to public interface

app/views/mfa/backup_codes.html.erb

@@ -19,9 +19,12 @@
         <% end %>
       </div>
 
-      <div class="mt-6">
-        <%= link_to t(".continue"), settings_security_path, class: "w-full btn btn--primary" %>
-      </div>
+      <%= render LinkComponent.new(
+        text: t(".continue"),
+        href: settings_security_path,
+        variant: "primary",
+        full_width: true
+      ) %>
     </div>
   <% end %>
 

app/views/mfa/new.html.erb

@@ -29,10 +29,10 @@
                  class="text-sm bg-container px-2 py-1 rounded border border-secondary w-96 font-mono">
           <button data-action="clipboard#copy" class="text-secondary hover:text-gray-700">
             <span data-clipboard-target="iconDefault">
-              <%= lucide_icon "copy", class: "w-5 h-5" %>
+              <%= icon "copy" %>
             </span>
             <span class="hidden" data-clipboard-target="iconSuccess">
-              <%= lucide_icon "check", class: "w-5 h-5" %>
+              <%= icon "check" %>
             </span>
           </button>
         </div>
@@ -57,7 +57,7 @@
             placeholder: t(".code_placeholder") %>
 
           <div class="flex justify-end mt-4">
-            <%= f.submit t(".verify_button"), class: "btn btn--primary" %>
+            <%= f.submit t(".verify_button") %>
           </div>
         </div>
       <% end %>