diff --git a/lib/mv_web/components/core_components.ex b/lib/mv_web/components/core_components.ex
index a23381d..f0a9fdb 100644
--- a/lib/mv_web/components/core_components.ex
+++ b/lib/mv_web/components/core_components.ex
@@ -95,9 +95,11 @@ defmodule MvWeb.CoreComponents do
       <.button>Send!</.button>
       <.button phx-click="go" variant="primary">Send!</.button>
       <.button navigate={~p"/"}>Home</.button>
+      <.button disabled={true}>Disabled</.button>
   """
   attr :rest, :global, include: ~w(href navigate patch method)
   attr :variant, :string, values: ~w(primary)
+  attr :disabled, :boolean, default: false, doc: "Whether the button is disabled"
   slot :inner_block, required: true
 
   def button(%{rest: rest} = assigns) do
@@ -105,14 +107,34 @@ defmodule MvWeb.CoreComponents do
     assigns = assign(assigns, :class, Map.fetch!(variants, assigns[:variant]))
 
     if rest[:href] || rest[:navigate] || rest[:patch] do
+      # For links, we can't use disabled attribute, so we use btn-disabled class
+      # DaisyUI's btn-disabled provides the same styling as :disabled on buttons
+      link_class =
+        if assigns[:disabled],
+          do: ["btn", assigns.class, "btn-disabled"],
+          else: ["btn", assigns.class]
+
+      # Prevent interaction when disabled
+      link_attrs =
+        if assigns[:disabled] do
+          Map.merge(rest, %{tabindex: "-1", "aria-disabled": "true"})
+        else
+          rest
+        end
+
+      assigns =
+        assigns
+        |> assign(:link_class, link_class)
+        |> assign(:link_attrs, link_attrs)
+
       ~H"""
-      <.link class={["btn", @class]} {@rest}>
+      <.link class={@link_class} {@link_attrs}>
         {render_slot(@inner_block)}
       </.link>
       """
     else
       ~H"""
-      <button class={["btn", @class]} {@rest}>
+      <button class={["btn", @class]} disabled={@disabled} {@rest}>
         {render_slot(@inner_block)}
       </button>
       """
diff --git a/lib/mv_web/live/member_live/index.html.heex b/lib/mv_web/live/member_live/index.html.heex
index fbeb416..8e8d18b 100644
--- a/lib/mv_web/live/member_live/index.html.heex
+++ b/lib/mv_web/live/member_live/index.html.heex
@@ -3,23 +3,29 @@
     {gettext("Members")}
     <:actions>
       <.button
-        :if={Enum.any?(@members, &MapSet.member?(@selected_members, &1.id))}
+        class="secondary"
         id="copy-emails-btn"
         phx-hook="CopyToClipboard"
         phx-click="copy_emails"
+        disabled={not Enum.any?(@members, &MapSet.member?(@selected_members, &1.id))}
         aria-label={gettext("Copy email addresses of selected members")}
       >
         <.icon name="hero-clipboard-document" />
-        {gettext("Copy emails")} ({Enum.count(@members, &MapSet.member?(@selected_members, &1.id))})
+        {gettext("Copy email addresses")} ({Enum.count(
+          @members,
+          &MapSet.member?(@selected_members, &1.id)
+        )})
       </.button>
       <.button
-        :if={Enum.any?(@members, &MapSet.member?(@selected_members, &1.id))}
+        class="secondary"
+        id="open-email-btn"
         href={
           "mailto:?bcc=" <>
           (MvWeb.MemberLive.Index.format_selected_member_emails(@members, @selected_members)
            |> Enum.join(", ")
            |> URI.encode())
         }
+        disabled={not Enum.any?(@members, &MapSet.member?(@selected_members, &1.id))}
         aria-label={gettext("Open email program with BCC recipients")}
       >
         <.icon name="hero-envelope" />
diff --git a/test/mv_web/member_live/index_test.exs b/test/mv_web/member_live/index_test.exs
index 30b61c7..5b826bd 100644
--- a/test/mv_web/member_live/index_test.exs
+++ b/test/mv_web/member_live/index_test.exs
@@ -410,14 +410,6 @@ defmodule MvWeb.MemberLive.IndexTest do
       assert render(view) =~ "1"
     end
 
-    test "copy button is not visible when no members are selected", %{conn: conn} do
-      conn = conn_with_oidc_user(conn)
-      {:ok, view, _html} = live(conn, "/members")
-
-      # Ensure no members are selected (default state)
-      refute has_element?(view, "#copy-emails-btn")
-    end
-
     test "copy button is visible when members are selected", %{
       conn: conn,
       member1: member1