From 9bb1441c839493d5b10ba7022869e8235ce6f8be Mon Sep 17 00:00:00 2001
From: Guy Sandler <guy@sandler.co.il>
Date: Sun, 25 Oct 2026 17:19:38 -0700
Subject: [PATCH] MORE FEATURES

---
 _locales/de/messages.json    |  6 ++++++
 _locales/en/messages.json    |  6 ++++++
 _locales/es/messages.json    |  6 ++++++
 _locales/fr/messages.json    |  6 ++++++
 _locales/it/messages.json    |  6 ++++++
 _locales/ja/messages.json    |  6 ++++++
 _locales/pt_PT/messages.json |  6 ++++++
 _locales/ru/messages.json    |  6 ++++++
 _locales/sv/messages.json    |  6 ++++++
 _locales/zh_CN/messages.json |  6 ++++++
 _locales/zh_TW/messages.json |  6 ++++++
 html/popup.html              | 13 +++++++++++++
 js/background.js             |  1 +
 js/content.js                | 35 +++++++++++++++++++++++++++++++++++
 js/popup.js                  | 10 ++++++++--
 15 files changed, 123 insertions(+), 2 deletions(-)

diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index 09f5430..141eb56 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Bessere Seitenleiste"
     },
+    "hide_sidebar": {
+        "message": "Seitenleiste ausblenden"
+    },
+    "sidebar": {
+        "message": "Seitenleiste"
+    },
     "better_todo": {
         "message": "Bessere ToDo-Liste"
     },
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index a2e3495..a6f3854 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Better Sidebar"
     },
+    "hide_sidebar": {
+        "message": "Hide sidebar"
+    },
+    "sidebar": {
+        "message": "Sidebar"
+    },
     "better_todo": {
         "message": "Better todo list"
     },
diff --git a/_locales/es/messages.json b/_locales/es/messages.json
index 22b2972..254dc92 100644
--- a/_locales/es/messages.json
+++ b/_locales/es/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Barra lateral mejorada"
     },
+    "hide_sidebar": {
+        "message": "Ocultar barra lateral"
+    },
+    "sidebar": {
+        "message": "Barra lateral"
+    },
     "better_todo": {
         "message": "Mejor lista de tareas pendientes"
     },
diff --git a/_locales/fr/messages.json b/_locales/fr/messages.json
index 9f85e3f..43ac00f 100644
--- a/_locales/fr/messages.json
+++ b/_locales/fr/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Barre latérale améliorée"
     },
+    "hide_sidebar": {
+        "message": "Masquer la barre latérale"
+    },
+    "sidebar": {
+        "message": "Barre latérale"
+    },
     "better_todo": {
         "message": "Meilleure liste de choses à faire"
     },
diff --git a/_locales/it/messages.json b/_locales/it/messages.json
index 98c8b7a..2011d47 100644
--- a/_locales/it/messages.json
+++ b/_locales/it/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Sidebar Migliorata"
     },
+    "hide_sidebar": {
+        "message": "Nascondi barra laterale"
+    },
+    "sidebar": {
+        "message": "Barra laterale"
+    },
     "better_todo": {
         "message": "Migliore lista delle cose da fare"
     },
diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index cd55b0a..98b67fc 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "改良サイドバー"
     },
+    "hide_sidebar": {
+        "message": "サイドバーを非表示"
+    },
+    "sidebar": {
+        "message": "サイドバー"
+    },
     "better_todo": {
         "message": "より良いToDoリスト"
     },
diff --git a/_locales/pt_PT/messages.json b/_locales/pt_PT/messages.json
index 0c8d9c7..a657c16 100644
--- a/_locales/pt_PT/messages.json
+++ b/_locales/pt_PT/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Barra lateral melhorada"
     },
+    "hide_sidebar": {
+        "message": "Ocultar barra lateral"
+    },
+    "sidebar": {
+        "message": "Barra lateral"
+    },
     "better_todo": {
         "message": "Melhor lista de tarefas"
     },
diff --git a/_locales/ru/messages.json b/_locales/ru/messages.json
index 7a910b0..84e2732 100644
--- a/_locales/ru/messages.json
+++ b/_locales/ru/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Улучшенная боковая панель"
     },
+    "hide_sidebar": {
+        "message": "Скрыть боковую панель"
+    },
+    "sidebar": {
+        "message": "Боковая панель"
+    },
     "better_todo": {
         "message": "Лучший список дел"
     },
diff --git a/_locales/sv/messages.json b/_locales/sv/messages.json
index eeca4df..1264a45 100644
--- a/_locales/sv/messages.json
+++ b/_locales/sv/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "Bättre sidomeny"
     },
+    "hide_sidebar": {
+        "message": "Dölj sidofält"
+    },
+    "sidebar": {
+        "message": "Sidofält"
+    },
     "better_todo": {
         "message": "Bättre att göra-lista"
     },
diff --git a/_locales/zh_CN/messages.json b/_locales/zh_CN/messages.json
index 2677cf9..8c20396 100644
--- a/_locales/zh_CN/messages.json
+++ b/_locales/zh_CN/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "更好的侧边栏"
     },
+    "hide_sidebar": {
+        "message": "隐藏侧边栏"
+    },
+    "sidebar": {
+        "message": "侧边栏"
+    },
     "better_todo": {
         "message": "更好的待办事项列表"
     },
diff --git a/_locales/zh_TW/messages.json b/_locales/zh_TW/messages.json
index debc44f..c0904ce 100644
--- a/_locales/zh_TW/messages.json
+++ b/_locales/zh_TW/messages.json
@@ -53,6 +53,12 @@
     "better_sidebar": {
         "message": "強化側邊欄"
     },
+    "hide_sidebar": {
+        "message": "隱藏側邊欄"
+    },
+    "sidebar": {
+        "message": "側邊欄"
+    },
     "better_todo": {
         "message": "更好的待办事项列表"
     },
diff --git a/html/popup.html b/html/popup.html
index 8da93ed..c6dfeab 100644
--- a/html/popup.html
+++ b/html/popup.html
@@ -369,6 +369,7 @@
                     <button type="button" id="celebration-preview-btn" class="customization-button celebration-sub" style="margin-top:8px;width:100%;" data-i18n="celebration_preview">Preview celebration</button>
                 </div>
                 <div class="option-container">
+                    <h3 class="header-small" data-i18n="sidebar">Sidebar</h3>
                     <div class="option" id="better_sidebar">
                         <input type="radio" id="off" name="better_sidebar">
                         <input type="radio" id="on" name="better_sidebar">
@@ -378,6 +379,18 @@
                         </div>
                         <span class="option-name" data-i18n="better_sidebar">Better Sidebar</span>
                     </div>
+                    <!-- Only offered with Better Sidebar off: it replaces the rail entirely. -->
+                    <div id="hide_sidebar_row" style="margin-top:10px;display:none;">
+                        <div class="option" id="hide_sidebar">
+                            <input type="radio" id="off" name="hide_sidebar">
+                            <input type="radio" id="on" name="hide_sidebar">
+                            <div class="slider">
+                                <div class="sliderknob"></div>
+                                <div class="sliderbg"></div>
+                            </div>
+                            <span class="option-name" data-i18n="hide_sidebar">Hide sidebar</span>
+                        </div>
+                    </div>
                     <div class="sub-options">
                         <div class="option" id="remlogo" style="margin-top:2px">
                             <input type="radio" id="off" name="remlogo">
diff --git a/js/background.js b/js/background.js
index 806c09c..8c257ed 100644
--- a/js/background.js
+++ b/js/background.js
@@ -110,6 +110,7 @@ chrome.runtime.onInstalled.addListener(function () {
             "hide_new_canvas": true,
             "hide_sequence_footer": false,
             "hide_navbar": false,
+            "hide_sidebar": false,
             "quiz_safe_mode": false,
             "dark_mode_fix": [],
             "assignment_states": {},
diff --git a/js/content.js b/js/content.js
index a10aa8d..570ab04 100644
--- a/js/content.js
+++ b/js/content.js
@@ -74,6 +74,7 @@ function setupNavigationListener() {
         if (next === current_page) return;
         current_page = next;
         watchSequenceFooter();
+        applyHideSidebar();
         applyHideAssignmentSidebar();
         watchSubmissionPageButton();
         watchProfileLogoutPageButton();
@@ -379,6 +380,34 @@ function watchSequenceFooter() {
     applyHideSequenceFooter();
 }
 
+// "Hide sidebar" drops Canvas' global nav rail completely and pulls the page back to
+// the left edge (the layout keeps that column's width as a margin). CSS-only, so it
+// survives re-renders; the replacement rail (Better Sidebar) owns the column when on.
+function applyHideSidebar() {
+    let style = document.getElementById("canvasrefined-hide-sidebar");
+    const hide = options.hide_sidebar === true && options.better_sidebar !== true && !quizSafeModeActive();
+    if (!hide) {
+        if (style) style.remove();
+        return;
+    }
+    if (!style) {
+        style = document.createElement("style");
+        style.id = "canvasrefined-hide-sidebar";
+        style.textContent = `
+            #header,
+            .ic-app-header__main-navigation {
+                display: none !important;
+            }
+            #wrapper,
+            .ic-Layout-wrapper,
+            #main {
+                margin-left: 0 !important;
+            }
+        `;
+        (document.head || document.documentElement).appendChild(style);
+    }
+}
+
 // The assignment page's details column repeats what the assignment header already
 // shows and takes half the width, so it is dropped there. CSS-only, so it survives
 // Canvas re-renders and SPA navigation; removed again on any other page.
@@ -1043,6 +1072,7 @@ function startExtension() {
         applyCustomBackground();
         setupMobileNavStyle();
         ensureBetterSidebar();
+        applyHideSidebar();
         watchSequenceFooter();
         watchProfileLogoutPageButton();
         watchGradeAnalytics();
@@ -1329,6 +1359,11 @@ function applyOptionsChanges(changes) {
 			case "full_width":
 			case "center_cards":
 			case "custom_styles":
+				applyAestheticChanges();
+				break;
+			case "hide_sidebar":
+				applyHideSidebar();
+				break;
 			case "hide_navbar":
 				applyAestheticChanges();
 				// "Hide Navigation Bar" owns that inline style; setupBetterSidebar only sets it on first mount.
diff --git a/js/popup.js b/js/popup.js
index a875941..f09fcf3 100644
--- a/js/popup.js
+++ b/js/popup.js
@@ -1,4 +1,4 @@
-const syncedSwitches = ['remind', 'tab_icons', 'dark_mode', 'remlogo', 'full_width', 'auto_dark', 'assignments_due', 'gpa_calc', 'gradient_cards', 'disable_color_overlay', 'dashboard_grades', 'dashboard_notes', 'focus_timer', 'breathing', 'daily_quotes', 'quick_links', 'heatmap', 'better_todo', 'todo_celebrations_enabled', 'better_sidebar', 'condensed_cards', 'hide_new_canvas', 'hide_sequence_footer', 'center_cards', 'quiz_safe_mode', 'global_search', 'grade_analytics', 'hide_personal_details'];
+const syncedSwitches = ['remind', 'tab_icons', 'dark_mode', 'remlogo', 'full_width', 'auto_dark', 'assignments_due', 'gpa_calc', 'gradient_cards', 'disable_color_overlay', 'dashboard_grades', 'dashboard_notes', 'focus_timer', 'breathing', 'daily_quotes', 'quick_links', 'heatmap', 'better_todo', 'todo_celebrations_enabled', 'better_sidebar', 'condensed_cards', 'hide_new_canvas', 'hide_sequence_footer', 'center_cards', 'quiz_safe_mode', 'global_search', 'grade_analytics', 'hide_personal_details', 'hide_sidebar'];
 const syncedSubOptions = [
 	"grade_analytics_zones",
 	"hide_course_images",
@@ -215,7 +215,7 @@ async function initLanguageSelector() {
 const exportDarkSchedule = ["auto_dark", "auto_dark_start", "auto_dark_end", "device_dark"];
 const exportCardColorToggles = ["gradient_cards", "disable_color_overlay"];
 const exportCardStyles = ["customCardStyles", "imageSize", "cardRoundness", "imageRoundness", "cardSpacing", "cardWidth", "cardHeight", "cardPadding", "card_grid", "card_grid_columns", "card_grid_rows", "card_grid_column_gap", "card_grid_row_gap", "card_grid_center_rows", "card_grid_flex"];
-const exportLayout = ["full_width", "center_cards", "condensed_cards", "equal_height_cards", "remlogo", "hide_new_canvas", "hide_navbar", "tab_icons"];
+const exportLayout = ["full_width", "center_cards", "condensed_cards", "equal_height_cards", "remlogo", "hide_new_canvas", "hide_navbar", "hide_sidebar", "tab_icons"];
 const exportSidebar = ["better_sidebar", "sidebar_scale"];
 const exportTodo = ["better_todo", "todo_hide_feedback", "todo_hide_read", "todo_full_height", "todo_celebrations_enabled", "todo_celebrations", "todo_celebration_amount", "todo_progress_rings", "todo_timeframe", "todo_timeframe_custom_past", "todo_timeframe_custom_future", "todo_hr24", "todo_separate_scrollbar", "todo_alternate_colors", "todo_ignore_card_colors", "todo_remove_icons", "todo_show_scores", "hover_preview"];
 const exportGpa = ["gpa_calc", "gpa_calc_prepend", "gpa_calc_cumulative", "gpa_calc_weighted", "gpa_calc_show_on_hover"];
@@ -364,6 +364,7 @@ const defaultOptions = {
         "hide_new_canvas": true,
         "hide_sequence_footer": false,
         "hide_navbar": false,
+        "hide_sidebar": false,
         "grade_analytics_zones": false,
         "quiz_safe_mode": false,
         "dark_mode_fix": [],
@@ -1195,6 +1196,11 @@ function toggleBetterSidebarSubOptions(betterSidebarOn) {
     if (remlogoEl) {
         remlogoEl.style.display = betterSidebarOn ? "none" : "flex";
     }
+    // "Hide sidebar" only makes sense without the replacement rail.
+    const hideSidebarRow = document.getElementById("hide_sidebar_row");
+    if (hideSidebarRow) {
+        hideSidebarRow.style.display = betterSidebarOn ? "none" : "flex";
+    }
     const sidebarScaleEl = document.getElementById("sidebarScaleSub");
     if (sidebarScaleEl) {
         sidebarScaleEl.style.display = betterSidebarOn ? "block" : "none";