diff --git a/app/assets/stylesheets/card-perma.css b/app/assets/stylesheets/card-perma.css
index 5db9e7df7..6d966d0ae 100644
--- a/app/assets/stylesheets/card-perma.css
+++ b/app/assets/stylesheets/card-perma.css
@@ -34,16 +34,6 @@
       }
     }
 
-    @media (max-width: 639px) {
-      &:has(.card__closed) {
-        padding-block-start: 4.5rem;
-
-        .card-perma__bg {
-          box-shadow: 0 -2rem 0 0 var(--color-container);
-        }
-      }
-    }
-
     @media (max-width: 799px) {
       --half-btn-height: 1.25rem;
       --padding-inline: 1.5ch;
@@ -262,8 +252,7 @@
 
     .card__closed {
       @media (max-width: 639px) {
-        inset: auto 0 100% auto;
-        translate: 0 30%;
+        inset: auto 0 3rem auto;
         scale: 75%;
       }
     }
diff --git a/app/assets/stylesheets/native.css b/app/assets/stylesheets/native.css
index 591ce8890..e636eae14 100644
--- a/app/assets/stylesheets/native.css
+++ b/app/assets/stylesheets/native.css
@@ -59,16 +59,26 @@
     /* ------------------------------------------------------------------------ */
 
     .card-perma {
-      margin-block-start: 0;
+      margin-block-start: var(--block-space-half);
 
       &:not(:has(.card-perma__notch-new-card-buttons)) .card-perma__bg {
-        padding-block: clamp(0.25rem, 2vw, var(--padding-block));
+        padding-block-end: clamp(0.25rem, 2vw, var(--padding-block));
+      }
+
+      .card {
+        background: linear-gradient(to bottom, var(--color-canvas), var(--card-bg-color));
+        box-shadow: unset;
+      }
+
+      .card__board {
+        border-radius: 0 var(--border-radius) var(--border-radius) 0;
       }
     }
 
     .card-perma__bg {
-      border-start-start-radius: calc(0.2em + clamp(0.25rem, 2vw, var(--padding-block)));
-      border-start-end-radius: calc(0.2em + clamp(0.25rem, 2vw, var(--padding-block)));
+      padding-inline: 0;
+      padding-block-start: 0;
+      background-color: unset;
     }
 
     .card-perma__closure-message {
@@ -77,21 +87,10 @@
     }
 
     .card-perma--draft {
-      .card-perma__bg {
-        padding-inline: 0;
-        padding-block-start: 0;
-        background-color: unset;
-      }
-
       .card {
-        background: linear-gradient(to bottom, var(--color-canvas), var(--card-bg-color));
         box-shadow: 0 101vh 0 100vh var(--card-bg-color);
       }
 
-      .card__board {
-        border-radius: 0 var(--border-radius) var(--border-radius) 0;
-      }
-
       .card-perma__notch--bottom {
         z-index: 1;
       }
@@ -131,3 +130,9 @@
     display: none;
   }
 }
+
+[data-bridge-components~=stamp] {
+  [data-controller~=bridge--stamp] {
+    display: none;
+  }
+}
diff --git a/app/javascript/controllers/bridge/stamp_controller.js b/app/javascript/controllers/bridge/stamp_controller.js
new file mode 100644
index 000000000..747f5d48d
--- /dev/null
+++ b/app/javascript/controllers/bridge/stamp_controller.js
@@ -0,0 +1,44 @@
+import { BridgeComponent } from "@hotwired/hotwire-native-bridge"
+
+export default class extends BridgeComponent {
+  static component = "stamp"
+  static values = { scopeSelector: { type: String, default: "body" } }
+
+  connect() {
+    super.connect()
+
+    if (this.element.closest(this.scopeSelectorValue)) {
+      this.notifyBridgeOfConnect()
+      this.#observeStamp()
+    }
+  }
+
+  disconnect() {
+    super.disconnect()
+    this.notifyBridgeOfDisconnect()
+    this.stampObserver?.disconnect()
+  }
+
+  notifyBridgeOfConnect() {
+    const bridgeElement = this.bridgeElement
+
+    this.send("connect", {
+      title: bridgeElement.title,
+      description: bridgeElement.bridgeAttribute("description")
+    })
+  }
+
+  notifyBridgeOfDisconnect() {
+    this.send("disconnect")
+  }
+
+  #observeStamp() {
+    this.stampObserver = new MutationObserver(() => {
+      this.notifyBridgeOfConnect()
+    })
+
+    this.stampObserver.observe(this.element, {
+      attributes: true
+    })
+  }
+}
diff --git a/app/javascript/initializers/bridge/bridge_element.js b/app/javascript/initializers/bridge/bridge_element.js
index 438cf22e1..76f0db8a7 100644
--- a/app/javascript/initializers/bridge/bridge_element.js
+++ b/app/javascript/initializers/bridge/bridge_element.js
@@ -10,7 +10,7 @@ BridgeElement.prototype.getButton = function() {
 }
 
 BridgeElement.prototype.getIcon = function() {
-  const url = this.bridgeAttribute(`icon-url`)
+  const url = this.bridgeAttribute("icon-url")
 
   if (url) {
     return { url }
@@ -20,9 +20,9 @@ BridgeElement.prototype.getIcon = function() {
 }
 
 BridgeElement.prototype.getDisplayTitle = function() {
-  return !!this.bridgeAttribute(`display-title`)
+  return !!this.bridgeAttribute("display-title")
 }
 
 BridgeElement.prototype.getDisplayAsPrimaryAction = function() {
-  return !!this.bridgeAttribute(`display-as-primary-action`)
+  return !!this.bridgeAttribute("display-as-primary-action")
 }
diff --git a/app/views/cards/container/_closure_buttons.html.erb b/app/views/cards/container/_closure_buttons.html.erb
index 27db6590e..99fcad627 100644
--- a/app/views/cards/container/_closure_buttons.html.erb
+++ b/app/views/cards/container/_closure_buttons.html.erb
@@ -1,13 +1,27 @@
 <div class="flex gap-half">
   <%= link_to edit_card_path(card), class: "btn btn--circle-mobile borderless",
-        data: { controller: "hotkey", action: "keydown.e@document->hotkey#click", bridge__overflow_menu_target: "item", bridge_title: "Edit", turbo_frame: dom_id(card, :edit) } do %>
+        data: {
+          controller: "hotkey",
+          action: "keydown.e@document->hotkey#click",
+          bridge__overflow_menu_target: "item",
+          bridge_title: "Edit",
+          turbo_frame: dom_id(card, :edit)
+        } do %>
     <%= icon_tag "pencil", class: "icon--mobile-only" %>
     <span>Edit</span>
     <kbd class="txt-x-small hide-on-touch">e</kbd>
   <% end %>
 
-  <%= button_to card_closure_path(card), class: "btn btn--circle-mobile borderless",
-        data: { controller: "hotkey", form_target: "submit", bridge__buttons_target: "button", bridge_title: "Mark done", bridge_display_as_primary_action: true, bridge_display_title: true, bridge_icon_url: bridge_icon("check"), action: "keydown.d@document->hotkey#click" },
+  <%= button_to card_closure_path(card), class: "btn btn--circle-mobile borderless hide-on-native",
+        data: {
+          controller: "hotkey",
+          form_target: "submit",
+          bridge__buttons_target: ("button" unless card.postponed?),
+          bridge_title: "Mark done",
+          bridge_display_as_primary_action: true,
+          bridge_display_title: true, bridge_icon_url: bridge_icon("check"),
+          action: "keydown.d@document->hotkey#click"
+        },
         form: { data: { controller: "form" } } do %>
     <%= icon_tag "check", class: "icon--mobile-only" %>
     <span class="overflow-ellipsis">Mark as Done</span>
diff --git a/app/views/cards/display/common/_stamp.html.erb b/app/views/cards/display/common/_stamp.html.erb
index 629e4cf24..86190e0f6 100644
--- a/app/views/cards/display/common/_stamp.html.erb
+++ b/app/views/cards/display/common/_stamp.html.erb
@@ -1,15 +1,25 @@
 <% if card.postponed? %>
-  <div class="card__closed <%= "card__closed--system" if card.postponed_by&.system? %>">
+  <%= tag.div class: token_list("card__closed", "card__closed--system": card.postponed_by&.system?), data: {
+    controller: "bridge--stamp",
+    bridge__stamp_scope_selector_value: ".card-perma",
+    bridge_title: "Not Now",
+    bridge_description: card.postponed_at.strftime("%b %d, %Y")
+  } do %>
     <span class="card__closed-title" data-text="Not Now">Not Now</span>
     <strong class="card__closed-date"><%= card.postponed_at.strftime("%b %d, %Y") %></strong>
     <span class="card__closed-by-line">by <span class="card__closed-by"><%= card.postponed_by&.familiar_name %></span></span>
-  </div>
+  <% end %>
 <% end %>
 
 <% if card.closed? %>
-  <div class="card__closed">
+  <%= tag.div class: "card__closed", data: {
+    controller: "bridge--stamp",
+    bridge__stamp_scope_selector_value: ".card-perma",
+    bridge_title: "Done",
+    bridge_description: card.closed_at.strftime("%b %d, %Y")
+  } do %>
     <span class="card__closed-title" data-text="Done">Done</span>
     <strong class="card__closed-date"><%= card.closed_at.strftime("%b %d, %Y") %></strong>
     <span class="card__closed-by-line">by <span class="card__closed-by"><%= card.closed_by.familiar_name %></span></span>
-  </div>
+  <% end %>
 <% end %>