diff --git a/client/components/cards/cardDetails.css b/client/components/cards/cardDetails.css
index f89019cf8..c387bf3aa 100644
--- a/client/components/cards/cardDetails.css
+++ b/client/components/cards/cardDetails.css
@@ -211,25 +211,6 @@ body.desktop-mode .card-details.card-details-collapsed {
   color: #000;
 }
 
-/* Bring to front / Send to back buttons */
-.card-details .card-details-header .card-bring-to-front,
-.card-details .card-details-header .card-send-to-back {
-  float: right;
-  font-size: 18px;
-  padding: 7px 8px;
-  margin-right: 5px;
-  cursor: pointer;
-  user-select: none;
-  color: #333;
-}
-
-.card-details .card-details-header .card-bring-to-front:hover,
-.card-details .card-details-header .card-send-to-back:hover {
-  color: #000;
-  background: rgba(0,0,0,0.05);
-  border-radius: 3px;
-}
-
 /* Drag handle */
 .card-details .card-details-header .card-drag-handle {
   font-size: 20px;
diff --git a/client/components/cards/cardDetails.jade b/client/components/cards/cardDetails.jade
index ee9bc82e5..0b8f23c7a 100644
--- a/client/components/cards/cardDetails.jade
+++ b/client/components/cards/cardDetails.jade
@@ -20,10 +20,6 @@ template(name="cardDetails")
             a.close-card-details.js-close-card-details(title="{{_ 'close-card'}}")
               | ❌
             if canModifyCard
-              a.card-bring-to-front.js-card-bring-to-front(title="Bring to front")
-                | ⏫
-              a.card-send-to-back.js-card-send-to-back(title="Send to back")
-                | ⏬
               if cardMaximized
                 a.minimize-card-details.js-minimize-card-details(title="{{_ 'minimize-card'}}")
                   | 🔽
diff --git a/client/components/cards/cardDetails.js b/client/components/cards/cardDetails.js
index 760e96e50..532fc641b 100644
--- a/client/components/cards/cardDetails.js
+++ b/client/components/cards/cardDetails.js
@@ -324,30 +324,6 @@ BlazeComponent.extendComponent({
             Users.setPublicCardCollapsed(!currentState);
           }
         },
-        'click .js-card-bring-to-front'(event) {
-          event.preventDefault();
-          const $card = $(event.target).closest('.card-details');
-          // Find the highest z-index among all cards
-          let maxZ = 100;
-          $('.card-details').each(function() {
-            const z = parseInt($(this).css('z-index')) || 100;
-            if (z > maxZ) maxZ = z;
-          });
-          // Set this card's z-index to be higher
-          $card.css('z-index', maxZ + 1);
-        },
-        'click .js-card-send-to-back'(event) {
-          event.preventDefault();
-          const $card = $(event.target).closest('.card-details');
-          // Find the lowest z-index among all cards
-          let minZ = 100;
-          $('.card-details').each(function() {
-            const z = parseInt($(this).css('z-index')) || 100;
-            if (z < minZ) minZ = z;
-          });
-          // Set this card's z-index to be lower
-          $card.css('z-index', minZ - 1);
-        },
         'mousedown .js-card-drag-handle'(event) {
           event.preventDefault();
           const $card = $(event.target).closest('.card-details');
diff --git a/client/components/cards/checklists.jade b/client/components/cards/checklists.jade
index 7dbadf5e6..75d9fbd9c 100644
--- a/client/components/cards/checklists.jade
+++ b/client/components/cards/checklists.jade
@@ -9,19 +9,10 @@ template(name="checklists")
         else
           a.add-checklist-top.js-open-inlined-form(title="{{_ 'add-checklist'}}")
             | ➕
-    if currentUser.isBoardMember
-      .material-toggle-switch(title="{{_ 'hide-finished-checklist'}}")
-        //span.toggle-switch-title
-        if card.hideFinishedChecklistIfItemsAreHidden
-          input.toggle-switch(type="checkbox" id="toggleHideFinishedChecklist" checked="checked")
-        else
-          input.toggle-switch(type="checkbox" id="toggleHideFinishedChecklist")
-        label.toggle-label(for="toggleHideFinishedChecklist")
 
   .card-checklist-items
     each checklist in checklists
-      if checklist.showChecklist card.hideFinishedChecklistIfItemsAreHidden
-        +checklistDetail(checklist = checklist card = card)
+      +checklistDetail(checklist = checklist card = card)
 
   if canModifyCard
     +inlinedForm(autoclose=false classNames="js-add-checklist" cardId = cardId)
@@ -38,7 +29,7 @@ template(name="checklistDetail")
       .checklist-title
         span
         if canModifyCard
-          a.checklist-details-menu.js-open-checklist-details-menu(title="{{_ 'checklistActionsPopup-title'}}")
+          a.checklist-details-menu.js-open-checklist-details-menu(title="{{_ 'checklistActionsPopup-title'}}") ☰
 
         if canModifyCard
           h4.title.js-open-inlined-form.is-editable
@@ -173,34 +164,62 @@ template(name="checklistActionsPopup")
           else
             input.toggle-switch(type="checkbox" id="toggleHideAllChecklistItems_{{checklist._id}}")
           label.toggle-label(for="toggleHideAllChecklistItems_{{checklist._id}}")
+      a.js-toggle-show-checklist-at-minicard
+        | 📋
+        | {{_ "showChecklistAtMinicard"}} ...
+        .material-toggle-switch(title="{{_ 'showChecklistAtMinicard'}}")
+          if checklist.showChecklistAtMinicard
+            input.toggle-switch(type="checkbox" id="toggleShowChecklistAtMinicard_{{checklist._id}}" checked="checked")
+          else
+            input.toggle-switch(type="checkbox" id="toggleShowChecklistAtMinicard_{{checklist._id}}")
+          label.toggle-label(for="toggleShowChecklistAtMinicard_{{checklist._id}}")
 
 template(name="copyChecklistPopup")
-  +copyAndMoveChecklist
-
-template(name="moveChecklistPopup")
-  +copyAndMoveChecklist
-
-template(name="copyAndMoveChecklist")
   unless currentUser.isWorker
     label {{_ 'boards'}}:
     select.js-select-boards(autofocus)
       each boards
-        option(value="{{_id}}" selected="{{#if isDialogOptionBoardId _id}}selected{{/if}}") {{title}}
+        option(value="{{_id}}" selected="{{#if isDialogOptionBoardId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
 
   label {{_ 'swimlanes'}}:
   select.js-select-swimlanes
     each swimlanes
-      option(value="{{_id}}" selected="{{#if isDialogOptionSwimlaneId _id}}selected{{/if}}") {{title}}
+      option(value="{{_id}}" selected="{{#if isDialogOptionSwimlaneId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
 
   label {{_ 'lists'}}:
   select.js-select-lists
     each lists
-      option(value="{{_id}}" selected="{{#if isDialogOptionListId _id}}selected{{/if}}") {{title}}
+      option(value="{{_id}}" selected="{{#if isDialogOptionListId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
 
-  label {{_ 'cards'}}:
+  label {{_ 'card'}}:
   select.js-select-cards
     each cards
-      option(value="{{_id}}" selected="{{#if isDialogOptionCardId _id}}selected{{/if}}") {{title}}
+      option(value="{{_id}}" selected="{{#if isDialogOptionCardId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
+
+  .edit-controls.clearfix
+    button.primary.confirm.js-done {{_ 'done'}}
+
+template(name="moveChecklistPopup")
+  unless currentUser.isWorker
+    label {{_ 'boards'}}:
+    select.js-select-boards(autofocus)
+      each boards
+        option(value="{{_id}}" selected="{{#if isDialogOptionBoardId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
+
+  label {{_ 'swimlanes'}}:
+  select.js-select-swimlanes
+    each swimlanes
+      option(value="{{_id}}" selected="{{#if isDialogOptionSwimlaneId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
+
+  label {{_ 'lists'}}:
+  select.js-select-lists
+    each lists
+      option(value="{{_id}}" selected="{{#if isDialogOptionListId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
+
+  label {{_ 'card'}}:
+  select.js-select-cards
+    each cards
+      option(value="{{_id}}" selected="{{#if isDialogOptionCardId _id}}selected{{/if}}") {{add @index 1}}. {{title}}
 
   .edit-controls.clearfix
     button.primary.confirm.js-done {{_ 'done'}}
diff --git a/client/components/cards/checklists.js b/client/components/cards/checklists.js
index 1447a0886..15a9b9fa1 100644
--- a/client/components/cards/checklists.js
+++ b/client/components/cards/checklists.js
@@ -230,10 +230,6 @@ BlazeComponent.extendComponent({
         'focus .js-add-checklist-item': this.focusChecklistItem,
         // add and delete checklist / checklist-item
         'click .js-open-inlined-form': this.closeAllInlinedForms,
-        'click #toggleHideFinishedChecklist'(event) {
-          event.preventDefault();
-          this.data().card.toggleHideFinishedChecklist();
-        },
         keydown: this.pressKey,
       },
     ];
@@ -335,6 +331,12 @@ BlazeComponent.extendComponent({
           this.data().checklist.toggleHideAllChecklistItems();
           Popup.back();
         },
+        'click .js-toggle-show-checklist-at-minicard'(event) {
+          event.preventDefault();
+          const checklist = this.data().checklist;
+          checklist.toggleShowChecklistAtMinicard();
+          Popup.back();
+        },
       }
     ]
   }
@@ -388,7 +390,12 @@ BlazeComponent.extendComponent({
   }
   setDone(cardId, options) {
     ReactiveCache.getCurrentUser().setMoveChecklistDialogOption(this.currentBoardId, options);
-    this.data().checklist.move(cardId);
+    const checklist = this.data().checklist;
+    Meteor.call('moveChecklist', checklist._id, cardId, (error) => {
+      if (error) {
+        console.error('Error moving checklist:', error);
+      }
+    });
   }
 }).register('moveChecklistPopup');
 
diff --git a/client/components/cards/minicard.css b/client/components/cards/minicard.css
index bb1430060..2ef301d86 100644
--- a/client/components/cards/minicard.css
+++ b/client/components/cards/minicard.css
@@ -730,3 +730,81 @@
   align-items: center;
   gap: 0.3vw;
 }
+
+/* Checklist display on minicard */
+.minicard-checklist {
+  width: 100%;
+  margin-top: 0.5vh;
+  margin-bottom: 0.5vh;
+  padding: 0.3vh 0.5vw;
+  background-color: rgba(255, 255, 255, 0.8);
+  border-radius: 0.3vw;
+  border: 1px solid #e0e0e0;
+}
+
+.minicard-checklist .checklist-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 0.3vh;
+}
+
+.minicard-checklist .checklist-title {
+  font-size: 0.8em;
+  font-weight: bold;
+  color: #4d4d4d;
+  flex: 1;
+}
+
+.minicard-checklist .checklist-menu {
+  font-size: 1.2em;
+  color: #666;
+  cursor: pointer;
+  padding: 0 0.3vw;
+  border-radius: 0.2vw;
+  transition: background-color 0.2s;
+}
+
+.minicard-checklist .checklist-menu:hover {
+  background-color: rgba(0, 0, 0, 0.1);
+}
+
+.minicard-checklist .checklist-item {
+  font-size: 0.75em;
+  color: #666;
+  margin-bottom: 0.2vh;
+  display: flex;
+  align-items: flex-start;
+  gap: 0.3vw;
+  line-height: 1.2;
+  cursor: pointer;
+  padding: 0.2vh 0;
+  border-radius: 0.2vw;
+  transition: background-color 0.2s;
+}
+
+.minicard-checklist .checklist-item:hover {
+  background-color: rgba(0, 0, 0, 0.05);
+}
+
+.minicard-checklist .checklist-item.is-checked {
+  text-decoration: line-through;
+  color: #999;
+}
+
+.minicard-checklist .checklist-item .check-box-unicode {
+  flex-shrink: 0;
+  font-size: 0.8em;
+  margin-top: 0.1vh;
+  transition: transform 0.2s;
+}
+
+.minicard-checklist .checklist-item:hover .check-box-unicode {
+  transform: scale(1.1);
+}
+
+.minicard-checklist .checklist-item .item-title {
+  flex: 1;
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
diff --git a/client/components/cards/minicard.jade b/client/components/cards/minicard.jade
index ffb900db7..ccb546476 100644
--- a/client/components/cards/minicard.jade
+++ b/client/components/cards/minicard.jade
@@ -167,10 +167,6 @@ template(name="minicard")
           .badge
             span.badge-icon 📎
             span.badge-text= attachments.length
-      if checklists.length
-        .badge(class="{{#if checklistFinished}}is-finished{{/if}}")
-          span.badge-icon ☑️
-          span.badge-text.check-list-text {{checklistFinishedCount}}/{{checklistItemCount}}
       if allSubtasks.count
         .badge
           span.badge-icon 🌐
@@ -181,6 +177,9 @@ template(name="minicard")
           .badge
             span.badge-icon 🔢
             span.badge-text.check-list-sort {{ sort }}
+    if shouldShowChecklistAtMinicard
+      each shouldShowChecklistAtMinicard
+        +minicardChecklist(checklist=. card=..)
     if currentBoard.allowsDescriptionTextOnMinicard
       if getDescription
         .minicard-description
@@ -202,55 +201,12 @@ template(name="editCardSortOrderPopup")
   .edit-controls.clearfix
     button.primary.confirm.js-submit-edit-card-sort-popup(type="submit") {{_ 'save'}}
 
-template(name="minicardDetailsActionsPopup")
-  ul.pop-over-list
-    if canModifyCard
-      li
-        a.js-move-card
-          | ➡️
-          | {{_ 'moveCardPopup-title'}}
-      li
-        a.js-copy-card
-          | 📋
-          | {{_ 'copyCardPopup-title'}}
-      hr
-      li
-        a.js-archive
-          | ➡️
-          | 📦
-          | {{_ 'archive-card'}}
-      hr
-      li
-        a.js-move-card-to-top
-          | ⬆️
-          | {{_ 'moveCardToTop-title'}}
-      li
-        a.js-move-card-to-bottom
-          | ⬇️
-          | {{_ 'moveCardToBottom-title'}}
-      hr
-      li
-        a.js-add-labels
-          | 🏷️
-          | {{_ 'card-edit-labels'}}
-      li
-        a.js-due-date
-          | 📥
-          | {{_ 'editCardDueDatePopup-title'}}
-      li
-        a.js-set-card-color
-          | 🎨
-          | {{_ 'setCardColorPopup-title'}}
-      li
-        a.js-link
-          | 🔗
-          | {{_ 'link-card'}}
-      li
-      a.js-toggle-watch-card
-        if isWatching
-          | 👁️
-          |  {{_ 'unwatch'}}
-        else
-          | 👁️
-          |  {{_ 'watch'}}
+template(name="minicardChecklist")
+  .minicard-checklist
+    .checklist-header
+      .checklist-title= checklist.title
+      if canModifyCard
+        a.checklist-menu.js-open-checklist-menu(title="{{_ 'checklistActionsPopup-title'}}") ☰
+    each visibleItems
+      +checklistItemDetail(item = . checklist = checklist card = card)
 
diff --git a/client/components/cards/minicard.js b/client/components/cards/minicard.js
index 91ebddc8c..194f37ee9 100644
--- a/client/components/cards/minicard.js
+++ b/client/components/cards/minicard.js
@@ -91,6 +91,13 @@ BlazeComponent.extendComponent({
     }
   },
 
+  toggleChecklistItem() {
+    const item = this.currentData();
+    if (item && item._id) {
+      item.toggleItem();
+    }
+  },
+
   events() {
     return [
       {
@@ -108,7 +115,7 @@ BlazeComponent.extendComponent({
         },
         'click span.badge-icon.fa.fa-sort, click span.badge-text.check-list-sort' : Popup.open("editCardSortOrder"),
         'click .minicard-labels' : this.cardLabelsPopup,
-        'click .js-open-minicard-details-menu': Popup.open('minicardDetailsActions'),
+        'click .js-open-minicard-details-menu': Popup.open('cardDetailsActions'),
         // Drag and drop file upload handlers
         'dragover .minicard'(event) {
           // Only prevent default for file drags to avoid interfering with sortable
@@ -170,6 +177,43 @@ BlazeComponent.extendComponent({
   },
 }).register('minicard');
 
+BlazeComponent.extendComponent({
+  template() {
+    return 'minicardChecklist';
+  },
+
+  events() {
+    return [
+      {
+        'click .js-open-checklist-menu'(event) {
+          const data = this.currentData();
+          const checklist = data.checklist || data;
+          const card = data.card || this.data();
+          const context = { currentData: () => ({ checklist, card }) };
+          Popup.open('checklistActions').call(context, event);
+        },
+      },
+    ];
+  },
+
+  visibleItems() {
+    const checklist = this.currentData().checklist || this.currentData();
+    const items = checklist.items();
+    
+    return items.filter(item => {
+      // Hide finished items if hideCheckedChecklistItems is true
+      if (item.isFinished && checklist.hideCheckedChecklistItems) {
+        return false;
+      }
+      // Hide all items if hideAllChecklistItems is true
+      if (checklist.hideAllChecklistItems) {
+        return false;
+      }
+      return true;
+    });
+  },
+}).register('minicardChecklist');
+
 Template.minicard.helpers({
   hiddenMinicardLabelText() {
     const currentUser = ReactiveCache.getCurrentUser();
@@ -209,9 +253,29 @@ Template.minicard.helpers({
     // Show list name if either:
     // 1. Board-wide setting is enabled, OR
     // 2. This specific card has the setting enabled
-    const currentBoard = this.currentBoard;
+    const currentBoard = this.board();
     if (!currentBoard) return false;
     return currentBoard.allowsShowListsOnMinicard || this.showListOnMinicard;
+  },
+
+  shouldShowChecklistAtMinicard() {
+    // Return checklists that should be shown on minicard
+    const currentBoard = this.board();
+    if (!currentBoard) return [];
+
+    const checklists = this.checklists();
+    const visibleChecklists = [];
+
+    checklists.forEach(checklist => {
+      // Show checklist if either:
+      // 1. Board-wide setting is enabled, OR
+      // 2. This specific checklist has the setting enabled
+      if (currentBoard.allowsChecklistAtMinicard || checklist.showChecklistAtMinicard) {
+        visibleChecklists.push(checklist);
+      }
+    });
+
+    return visibleChecklists;
   }
 });
 
@@ -242,7 +306,7 @@ BlazeComponent.extendComponent({
   }
 }).register('editCardSortOrderPopup');
 
-Template.minicardDetailsActionsPopup.events({
+Template.cardDetailsActionsPopup.events({
   'click .js-due-date': Popup.open('editCardDueDate'),
   'click .js-move-card': Popup.open('moveCard'),
   'click .js-copy-card': Popup.open('copyCard'),
diff --git a/client/lib/dialogWithBoardSwimlaneListCard.js b/client/lib/dialogWithBoardSwimlaneListCard.js
index 4513eafb8..75d6cb219 100644
--- a/client/lib/dialogWithBoardSwimlaneListCard.js
+++ b/client/lib/dialogWithBoardSwimlaneListCard.js
@@ -29,6 +29,16 @@ export class DialogWithBoardSwimlaneListCard extends DialogWithBoardSwimlaneList
     }
   }
 
+  /** returns all available cards of the current list */
+  cards() {
+    const list = ReactiveCache.getList({_id: this.selectedListId.get(), boardId: this.selectedBoardId.get()});
+    if (list) {
+      return list.cards();
+    } else {
+      return [];
+    }
+  }
+
   /** returns if the card id was the last confirmed one
    * @param cardId check this card id
    * @return if the card id was the last confirmed one
diff --git a/imports/i18n/data/en.i18n.json b/imports/i18n/data/en.i18n.json
index 550c2fcb4..94bfb3925 100644
--- a/imports/i18n/data/en.i18n.json
+++ b/imports/i18n/data/en.i18n.json
@@ -1584,6 +1584,7 @@
   "schedule": "Schedule",
   "search-boards-or-operations": "Search boards or operations...",
   "show-list-on-minicard": "Show List on Minicard",
+  "showChecklistAtMinicard": "Show Checklist at Minicard",
   "showing": "Showing",
   "start-test-operation": "Start Test Operation",
   "start-time": "Start Time",
diff --git a/models/boards.js b/models/boards.js
index d36574f81..8fe525843 100644
--- a/models/boards.js
+++ b/models/boards.js
@@ -570,6 +570,14 @@ Boards.attachSchema(
       defaultValue: false,
     },
 
+    allowsChecklistAtMinicard: {
+      /**
+       * Does the board allow showing checklists on all minicards?
+       */
+      type: Boolean,
+      defaultValue: false,
+    },
+
     allowsReceivedDate: {
       /**
        * Does the board allows received date?
@@ -1578,6 +1586,10 @@ Boards.mutations({
     return { $set: { allowsShowListsOnMinicard } };
   },
 
+  setAllowsChecklistAtMinicard(allowsChecklistAtMinicard) {
+    return { $set: { allowsChecklistAtMinicard } };
+  },
+
   setAllowsRequestedBy(allowsRequestedBy) {
     return { $set: { allowsRequestedBy } };
   },
diff --git a/models/cards.js b/models/cards.js
index 023c918ee..d5bbb8bec 100644
--- a/models/cards.js
+++ b/models/cards.js
@@ -497,13 +497,6 @@ Cards.attachSchema(
       type: Boolean,
       defaultValue: false,
     },
-    hideFinishedChecklistIfItemsAreHidden: {
-      /**
-       * hide completed checklist?
-       */
-      type: Boolean,
-      optional: true,
-    },
     showListOnMinicard: {
       /**
        * show list name on minicard?
@@ -512,6 +505,14 @@ Cards.attachSchema(
       optional: true,
       defaultValue: false,
     },
+    showChecklistAtMinicard: {
+      /**
+       * show checklist on minicard?
+       */
+      type: Boolean,
+      optional: true,
+      defaultValue: false,
+    },
   }),
 );
 
@@ -2297,10 +2298,10 @@ Cards.mutations({
     };
   },
 
-  toggleHideFinishedChecklist() {
+  toggleShowChecklistAtMinicard() {
     return {
       $set: {
-        hideFinishedChecklistIfItemsAreHidden: !this.hideFinishedChecklistIfItemsAreHidden,
+        showChecklistAtMinicard: !this.showChecklistAtMinicard,
       }
     };
   },
diff --git a/models/checklists.js b/models/checklists.js
index 1a906ccaa..40a348ba5 100644
--- a/models/checklists.js
+++ b/models/checklists.js
@@ -77,6 +77,13 @@ Checklists.attachSchema(
       type: Boolean,
       optional: true,
     },
+    showChecklistAtMinicard: {
+      /**
+       * show this checklist on minicard?
+       */
+      type: Boolean,
+      defaultValue: false,
+    },
   }),
 );
 
@@ -189,26 +196,9 @@ Checklists.mutations({
    * @param newCardId move the checklist to this cardId
    */
   move(newCardId) {
-    // update every activity
-    ReactiveCache.getActivities(
-      {checklistId: this._id}
-    ).forEach(activity => {
-      Activities.update(activity._id, {
-        $set: {
-          cardId: newCardId,
-        },
-      });
-    });
-    // update every checklist-item
-    ReactiveCache.getChecklistItems(
-      {checklistId: this._id}
-    ).forEach(checklistItem => {
-      ChecklistItems.update(checklistItem._id, {
-        $set: {
-          cardId: newCardId,
-        },
-      });
-    });
+    // Note: Activities and ChecklistItems updates are now handled server-side
+    // in the moveChecklist Meteor method to avoid client-side permission issues
+    
     // update the checklist itself
     return {
       $set: {
@@ -230,9 +220,69 @@ Checklists.mutations({
       }
     };
   },
+  toggleShowChecklistAtMinicard() {
+    return {
+      $set: {
+        showChecklistAtMinicard: !this.showChecklistAtMinicard,
+      }
+    };
+  },
 });
 
 if (Meteor.isServer) {
+  Meteor.methods({
+    moveChecklist(checklistId, newCardId) {
+      check(checklistId, String);
+      check(newCardId, String);
+
+      const checklist = ReactiveCache.getChecklist(checklistId);
+      if (!checklist) {
+        throw new Meteor.Error('checklist-not-found', 'Checklist not found');
+      }
+
+      const newCard = ReactiveCache.getCard(newCardId);
+      if (!newCard) {
+        throw new Meteor.Error('card-not-found', 'Target card not found');
+      }
+
+      // Check permissions on both source and target cards
+      const sourceCard = ReactiveCache.getCard(checklist.cardId);
+      if (!allowIsBoardMemberByCard(this.userId, sourceCard)) {
+        throw new Meteor.Error('not-authorized', 'Not authorized to move checklist from source card');
+      }
+      if (!allowIsBoardMemberByCard(this.userId, newCard)) {
+        throw new Meteor.Error('not-authorized', 'Not authorized to move checklist to target card');
+      }
+
+      // Update activities
+      ReactiveCache.getActivities({ checklistId }).forEach(activity => {
+        Activities.update(activity._id, {
+          $set: {
+            cardId: newCardId,
+          },
+        });
+      });
+
+      // Update checklist items
+      ReactiveCache.getChecklistItems({ checklistId }).forEach(checklistItem => {
+        ChecklistItems.update(checklistItem._id, {
+          $set: {
+            cardId: newCardId,
+          },
+        });
+      });
+
+      // Update the checklist itself
+      Checklists.update(checklistId, {
+        $set: {
+          cardId: newCardId,
+        },
+      });
+
+      return checklistId;
+    },
+  });
+
   Meteor.startup(() => {
     Checklists._collection.createIndex({ modifiedAt: -1 });
     Checklists._collection.createIndex({ cardId: 1, createdAt: 1 });