From ca612bf895692b72f7156ef3ccc8fcf47ee1cfc1 Mon Sep 17 00:00:00 2001
From: unifolia <jlewis@mozilla.com>
Date: Mon, 17 Nov 2025 12:39:38 -0500
Subject: [PATCH 1/2] Showing Smart Window chat on History fullscreen

---
 browser/components/smartwindow/content/page-history.mjs | 3 +++
 browser/themes/shared/browser-shared.css                | 8 +++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/browser/components/smartwindow/content/page-history.mjs b/browser/components/smartwindow/content/page-history.mjs
index 09c64a250e5bc..5fabc3970f6db 100644
--- a/browser/components/smartwindow/content/page-history.mjs
+++ b/browser/components/smartwindow/content/page-history.mjs
@@ -184,9 +184,12 @@ export class PageHistoryOverlay extends LitElement {
 
   render() {
     if (!this.isOpen) {
+      document.documentElement.removeAttribute("smart-window-history");
       return html``;
     }
 
+    document.documentElement.setAttribute("smart-window-history", "true");
+
     return html`
       <div class="history-overlay" @click=${this.handleOverlayClick}>
         <div class="history-modal" @click=${e => e.stopPropagation()}>
diff --git a/browser/themes/shared/browser-shared.css b/browser/themes/shared/browser-shared.css
index 36797be8249c0..da374a5ad5ffc 100644
--- a/browser/themes/shared/browser-shared.css
+++ b/browser/themes/shared/browser-shared.css
@@ -1439,9 +1439,11 @@ browser {
   }
 }
 
-:root[smart-window][smart-window-url] #smartwindow-box,
-:root[smart-window][smart-window-url] #smartwindow-splitter {
-  visibility: collapse;
+:root[smart-window][smart-window-url]:not([inFullscreen]) {
+  #smartwindow-box,
+  #smartwindow-splitter {
+    visibility: collapse;
+  }
 }
 
 :root[smart-window] .tabbrowser-tab > .tab-stack > .tab-background[selected] {

From 6555287fe8a35c8e7a1af5b43399d3e67026cbdf Mon Sep 17 00:00:00 2001
From: unifolia <jlewis@mozilla.com>
Date: Mon, 17 Nov 2025 12:45:28 -0500
Subject: [PATCH 2/2] Showing Smart Window chat on History fullscreen

---
 browser/components/smartwindow/content/page-history.mjs | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/browser/components/smartwindow/content/page-history.mjs b/browser/components/smartwindow/content/page-history.mjs
index 5fabc3970f6db..09c64a250e5bc 100644
--- a/browser/components/smartwindow/content/page-history.mjs
+++ b/browser/components/smartwindow/content/page-history.mjs
@@ -184,12 +184,9 @@ export class PageHistoryOverlay extends LitElement {
 
   render() {
     if (!this.isOpen) {
-      document.documentElement.removeAttribute("smart-window-history");
       return html``;
     }
 
-    document.documentElement.setAttribute("smart-window-history", "true");
-
     return html`
       <div class="history-overlay" @click=${this.handleOverlayClick}>
         <div class="history-modal" @click=${e => e.stopPropagation()}>