Add the ability to hide completed tasks

package.json

@@ -1,6 +1,6 @@
 {
   "name": "task-checklist",
-  "version": "5.1",
+  "version": "5.2",
   "description": "A Warframe Task Checklist to track daily, weekly, and other tasks. Built with HTML, CSS, and vanilla JavaScript, processed with Vite.",
   "type": "module",
   "scripts": {
@@ -39,4 +39,4 @@
     "vite-plugin-singlefile": "^2.3.3",
     "vitest": "^4.1.5"
   }
-}
+}

sources/css/style.css

@@ -523,3 +523,93 @@ body:not(.light-mode) img.icon-filter {
     text-decoration: underline dotted;
     cursor: pointer;
 }
+
+/* --- Menu Option Row (toggle switches etc.) --- */
+.menu-option-row {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 0.75rem;
+    color: var(--text-label);
+    font-size: 0.9375rem;
+}
+
+.menu-option-label {
+    cursor: default;
+}
+
+.menu-divider {
+    border: none;
+    border-top: 1px solid var(--menu-panel-border);
+    margin: 0 0 0.75rem;
+}
+
+/* --- Toggle Switch --- */
+.toggle-switch {
+    position: relative;
+    display: inline-block;
+    width: 2.75rem;
+    height: 1.5rem;
+    flex-shrink: 0;
+    cursor: pointer;
+}
+
+/* Override the global checkbox styles so the hidden input doesn't affect layout */
+.toggle-switch input[type="checkbox"] {
+    position: absolute !important;
+    opacity: 0 !important;
+    width: 0 !important;
+    height: 0 !important;
+    margin: 0 !important;
+    border: none !important;
+    padding: 0 !important;
+    pointer-events: none;
+}
+
+.toggle-slider {
+    position: absolute;
+    inset: 0;
+    background-color: var(--checkbox-bg);
+    border: 1.5px solid var(--checkbox-border);
+    border-radius: 1.5rem;
+    transition: background-color 0.2s ease, border-color 0.2s ease;
+}
+
+.toggle-slider::before {
+    content: "";
+    position: absolute;
+    height: 1.0625rem;
+    width: 1.0625rem;
+    left: 2px;
+    top: 50%;
+    transform: translateY(-50%);
+    background-color: var(--text-muted);
+    border-radius: 50%;
+    transition: transform 0.2s ease, background-color 0.2s ease;
+}
+
+.toggle-switch input[type="checkbox"]:checked + .toggle-slider {
+    background-color: var(--checkbox-checked-bg);
+    border-color: var(--checkbox-checked-border);
+}
+
+.toggle-switch input[type="checkbox"]:checked + .toggle-slider::before {
+    transform: translate(1.25rem, -50%);
+    background-color: var(--checkbox-check-color);
+}
+
+/* --- Task auto-hide fade --- */
+.task-item.task-hiding {
+    opacity: 0.35; /* reduced-motion fallback: instant dim */
+}
+
+@media (prefers-reduced-motion: no-preference) {
+    @keyframes task-fading {
+        from { opacity: 1; }
+        to   { opacity: 0; }
+    }
+
+    .task-item.task-hiding {
+        animation: task-fading 5s linear forwards;
+    }
+}

sources/index.html

@@ -151,6 +151,14 @@ <h2 class="section-toggle" aria-expanded="true" aria-controls="other-tasks-conte
                 <h2 class="menu-title">Options</h2>
                 <button class="menu-close-button" aria-label="Close menu">&times;</button>
             </header>
+            <div class="menu-option-row">
+                <label class="menu-option-label" for="hide-completed-toggle">Hide completed tasks</label>
+                <label class="toggle-switch">
+                    <input type="checkbox" id="hide-completed-toggle">
+                    <span class="toggle-slider"></span>
+                </label>
+            </div>
+            <hr class="menu-divider">
             <button id="reset-daily-button" class="menu-btn">Reset Daily Checks</button>
             <button id="reset-weekly-button" class="menu-btn">Reset Weekly Checks</button>
             <button id="reset-button" class="menu-btn">Reset All Checks</button>
@@ -183,4 +191,4 @@ <h2 class="menu-title"><img class="task-icon" /><span class="title">X</span></h2
 
     <script type="module" src="js/app.js" defer></script>
 </body>
-</html>
+</html>