Added elements cop/pase functionality

frontend/src/components/Constructor/ConstructorToolbar.tsx

@@ -20,6 +20,7 @@ import {
   mdiChevronRight,
   mdiChevronUp,
   mdiContentDuplicate,
+  mdiContentPaste,
   mdiMusicNote,
   mdiVideo,
   mdiInformationOutline,
@@ -54,6 +55,10 @@ const ConstructorToolbar = forwardRef<HTMLDivElement, ConstructorToolbarProps>(
       onSelectMenuItem,
       allowedNavigationTypes,
       onAddElement,
+      onCopyElement,
+      onPasteElement,
+      canCopyElement = false,
+      canPasteElement = false,
       onCreatePage,
       isCreatingPage,
       onSave,
@@ -111,6 +116,8 @@ const ConstructorToolbar = forwardRef<HTMLDivElement, ConstructorToolbarProps>(
       !isDeletingPage &&
       !isReorderingPages &&
       activePageIndex >= 0;
+    const canCopyCurrentElement = Boolean(onCopyElement) && canCopyElement;
+    const canPasteCurrentElement = Boolean(onPasteElement) && canPasteElement;
 
     // Keyboard handling (Escape closes dropdown)
     useEffect(() => {
@@ -137,7 +144,13 @@ const ConstructorToolbar = forwardRef<HTMLDivElement, ConstructorToolbarProps>(
 
     // Shared button styles
     const triggerBtnClass =
-      'flex items-center gap-1.5 px-3 py-2 rounded text-sm font-medium text-white/90 hover:bg-white/20 transition-colors';
+      'flex h-10 items-center gap-1.5 rounded px-3 text-sm font-medium text-white/90 transition-colors hover:bg-white/20';
+    const iconBtnClass =
+      'flex h-10 w-10 items-center justify-center rounded border border-white/20 bg-white/10 text-white/70 transition-colors hover:bg-white/20 hover:text-white disabled:cursor-not-allowed disabled:opacity-35';
+    const sectionClass =
+      'flex h-[58px] flex-col justify-center gap-1 border-x border-white/15 px-3';
+    const sectionLabelClass =
+      'text-center text-[9px] font-semibold uppercase leading-none tracking-wide text-white/50';
     const dropdownPanelClass =
       'absolute top-full left-0 mt-1 min-w-[180px] py-1 rounded-lg bg-white/50 backdrop-blur-xl border border-white/30 shadow-lg z-10 flex flex-col items-start';
 
@@ -173,7 +186,7 @@ const ConstructorToolbar = forwardRef<HTMLDivElement, ConstructorToolbarProps>(
     return (
       <div
         ref={ref}
-        className='fixed z-[1000] flex items-center gap-2 px-2 py-1.5 rounded-lg bg-white/10 backdrop-blur-xl border border-white/30 shadow-xl max-w-[95vw]'
+        className='fixed z-[1000] flex min-h-[72px] items-center gap-2 px-2 py-1.5 rounded-lg bg-white/10 backdrop-blur-xl border border-white/30 shadow-xl max-w-[95vw]'
         style={{ left: position.x, top: position.y }}
       >
         {/* Drag Handle */}
@@ -184,253 +197,288 @@ const ConstructorToolbar = forwardRef<HTMLDivElement, ConstructorToolbarProps>(
           <BaseIcon path={mdiDotsVertical} size={24} />
         </div>
 
-        {/* Page Selector - reuse existing component */}
-        <PageSelector
-          pages={pages}
-          activePageId={activePageId}
-          onPageChange={onPageChange}
-          disabled={isReorderingPages}
-        />
-
-        <div className='flex items-center gap-1'>
-          <button
-            type='button'
-            onClick={() => onMovePage?.('up')}
-            disabled={!canMovePageUp}
-            className='flex h-9 w-9 items-center justify-center rounded border border-white/20 bg-white/10 text-white/70 transition-colors hover:bg-white/20 hover:text-white disabled:cursor-not-allowed disabled:opacity-35'
-            title='Move page up'
-            aria-label='Move page up'
-          >
-            <BaseIcon path={mdiChevronUp} size={22} />
-          </button>
-          <button
-            type='button'
-            onClick={() => onMovePage?.('down')}
-            disabled={!canMovePageDown}
-            className='flex h-9 w-9 items-center justify-center rounded border border-white/20 bg-white/10 text-white/70 transition-colors hover:bg-white/20 hover:text-white disabled:cursor-not-allowed disabled:opacity-35'
-            title='Move page down'
-            aria-label='Move page down'
-          >
-            <BaseIcon path={mdiChevronDown} size={22} />
-          </button>
-          <button
-            type='button'
-            onClick={onDuplicatePage}
-            disabled={!canDuplicatePage}
-            className='flex h-9 w-9 items-center justify-center rounded border border-white/20 bg-white/10 text-white/70 transition-colors hover:bg-white/20 hover:text-white disabled:cursor-not-allowed disabled:opacity-35'
-            title='Duplicate page'
-            aria-label='Duplicate page'
-          >
-            <BaseIcon path={mdiContentDuplicate} size={20} />
-          </button>
-          <button
-            type='button'
-            onClick={onDeletePage}
-            disabled={!canDeleteCurrentPage}
-            className='flex h-9 w-9 items-center justify-center rounded border border-red-300/30 bg-red-500/10 text-red-200 transition-colors hover:bg-red-500/20 hover:text-red-100 disabled:cursor-not-allowed disabled:opacity-35'
-            title='Delete page'
-            aria-label='Delete page'
-          >
-            <BaseIcon path={mdiDelete} size={20} />
-          </button>
+        <div className='flex h-[58px] items-start border-r border-white/15 pt-[15px] pr-3'>
+          <InteractionModeToggle
+            mode={interactionMode}
+            onModeChange={onModeChange}
+            compact
+          />
         </div>
 
-        {/* Mode Toggle - reuse with compact=true */}
-        <InteractionModeToggle
-          mode={interactionMode}
-          onModeChange={onModeChange}
-          compact
-        />
-
-        {/* Divider */}
-        <div className='w-px h-8 bg-white/30' />
-
-        {/* Backgrounds Dropdown */}
-        <div className='relative'>
-          <button
-            ref={bgTriggerRef}
-            type='button'
-            onClick={() => toggleDropdown('bg')}
-            className={triggerBtnClass}
-          >
-            <BaseIcon path={mdiImageMultiple} size={18} />
-            <span>BG</span>
-            <BaseIcon path={mdiChevronDown} size={16} />
-          </button>
-          {activeDropdown === 'bg' && (
-            <ClickOutside
-              onClickOutside={closeDropdown}
-              excludedElements={[bgTriggerRef]}
+        <div className={sectionClass}>
+          <span className={sectionLabelClass}>
+            Page actions
+          </span>
+          <div className='flex h-10 items-center gap-2'>
+            <PageSelector
+              pages={pages}
+              activePageId={activePageId}
+              onPageChange={onPageChange}
+              disabled={isReorderingPages}
+              className='h-10 min-w-[210px]'
+            />
+            <div className='flex items-center gap-1'>
+              <button
+                type='button'
+                onClick={() => onMovePage?.('up')}
+                disabled={!canMovePageUp}
+                className={iconBtnClass}
+                title='Move page up'
+                aria-label='Move page up'
+              >
+                <BaseIcon path={mdiChevronUp} size={22} />
+              </button>
+              <button
+                type='button'
+                onClick={() => onMovePage?.('down')}
+                disabled={!canMovePageDown}
+                className={iconBtnClass}
+                title='Move page down'
+                aria-label='Move page down'
+              >
+                <BaseIcon path={mdiChevronDown} size={22} />
+              </button>
+            </div>
+            <button
+              type='button'
+              onClick={onCreatePage}
+              disabled={isCreatingPage}
+              className={`${triggerBtnClass} ${isCreatingPage ? 'opacity-50 cursor-not-allowed' : ''}`}
             >
-              <div className={dropdownPanelClass}>
-                <MenuActionButton
-                  icon={mdiImageMultiple}
-                  label='Background Image'
-                  onClick={() =>
-                    handleMenuAction(() => onSelectMenuItem('background_image'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiVideo}
-                  label='Background Video'
-                  onClick={() =>
-                    handleMenuAction(() => onSelectMenuItem('background_video'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiPanoramaHorizontal}
-                  label='Background 360'
-                  onClick={() =>
-                    handleMenuAction(() => onSelectMenuItem('background_embed'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiMusicNote}
-                  label='Background Audio'
-                  onClick={() =>
-                    handleMenuAction(() => onSelectMenuItem('background_audio'))
-                  }
-                />
-              </div>
-            </ClickOutside>
-          )}
-        </div>
-
-        {/* Elements Dropdown */}
-        <div className='relative'>
-          <button
-            ref={elementsTriggerRef}
-            type='button'
-            onClick={() => toggleDropdown('elements')}
-            className={triggerBtnClass}
-          >
-            <BaseIcon path={mdiPlus} size={18} />
-            <span>Elements</span>
-            <BaseIcon path={mdiChevronDown} size={16} />
-          </button>
-          {activeDropdown === 'elements' && (
-            <ClickOutside
-              onClickOutside={closeDropdown}
-              excludedElements={[elementsTriggerRef]}
+              <BaseIcon path={mdiPlus} size={18} />
+              <span>{isCreatingPage ? 'Creating...' : 'Page'}</span>
+            </button>
+            <button
+              type='button'
+              onClick={onDuplicatePage}
+              disabled={!canDuplicatePage}
+              className={iconBtnClass}
+              title='Duplicate page'
+              aria-label='Duplicate page'
             >
-              <div className={dropdownPanelClass}>
-                <MenuActionButton
-                  icon={mdiSwapHorizontal}
-                  label='Navigation Button'
-                  onClick={() =>
-                    handleMenuAction(() =>
-                      onAddElement(allowedNavigationTypes[0]),
-                    )
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiImageMultiple}
-                  label='Gallery'
-                  onClick={() =>
-                    handleMenuAction(() => onAddElement('gallery'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiViewCarousel}
-                  label='Carousel'
-                  onClick={() =>
-                    handleMenuAction(() => onAddElement('carousel'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiText}
-                  label='Description'
-                  onClick={() =>
-                    handleMenuAction(() => onAddElement('description'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiVideo}
-                  label='Video Player'
-                  onClick={() =>
-                    handleMenuAction(() => onAddElement('video_player'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiMusicNote}
-                  label='Audio Player'
-                  onClick={() =>
-                    handleMenuAction(() => onAddElement('audio_player'))
-                  }
-                />
-                <MenuActionButton
-                  icon={mdiInformationOutline}
-                  label='Info Panel'
-                  onClick={() =>
-                    handleMenuAction(() => onAddElement('info_panel'))
-                  }
-                />
-              </div>
-            </ClickOutside>
-          )}
+              <BaseIcon path={mdiContentDuplicate} size={20} />
+            </button>
+            <button
+              type='button'
+              onClick={onDeletePage}
+              disabled={!canDeleteCurrentPage}
+              className='flex h-10 w-10 items-center justify-center rounded border border-red-300/30 bg-red-500/10 text-red-200 transition-colors hover:bg-red-500/20 hover:text-red-100 disabled:cursor-not-allowed disabled:opacity-35'
+              title='Delete page'
+              aria-label='Delete page'
+            >
+              <BaseIcon path={mdiDelete} size={20} />
+            </button>
+            <div className='relative'>
+              <button
+                ref={bgTriggerRef}
+                type='button'
+                onClick={() => toggleDropdown('bg')}
+                className={triggerBtnClass}
+              >
+                <BaseIcon path={mdiImageMultiple} size={18} />
+                <span>BG</span>
+                <BaseIcon path={mdiChevronDown} size={16} />
+              </button>
+              {activeDropdown === 'bg' && (
+                <ClickOutside
+                  onClickOutside={closeDropdown}
+                  excludedElements={[bgTriggerRef]}
+                >
+                  <div className={dropdownPanelClass}>
+                    <MenuActionButton
+                      icon={mdiImageMultiple}
+                      label='Background Image'
+                      onClick={() =>
+                        handleMenuAction(() =>
+                          onSelectMenuItem('background_image'),
+                        )
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiVideo}
+                      label='Background Video'
+                      onClick={() =>
+                        handleMenuAction(() =>
+                          onSelectMenuItem('background_video'),
+                        )
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiPanoramaHorizontal}
+                      label='Background 360'
+                      onClick={() =>
+                        handleMenuAction(() =>
+                          onSelectMenuItem('background_embed'),
+                        )
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiMusicNote}
+                      label='Background Audio'
+                      onClick={() =>
+                        handleMenuAction(() =>
+                          onSelectMenuItem('background_audio'),
+                        )
+                      }
+                    />
+                  </div>
+                </ClickOutside>
+              )}
+            </div>
+          </div>
         </div>
 
-        {/* Divider */}
-        <div className='w-px h-8 bg-white/30' />
+        <div className={sectionClass}>
+          <span className={sectionLabelClass}>
+            Elements actions
+          </span>
+          <div className='flex h-10 items-center gap-2'>
+            <div className='relative'>
+              <button
+                ref={elementsTriggerRef}
+                type='button'
+                onClick={() => toggleDropdown('elements')}
+                className={triggerBtnClass}
+              >
+                <BaseIcon path={mdiPlus} size={18} />
+                <span>Elements</span>
+                <BaseIcon path={mdiChevronDown} size={16} />
+              </button>
+              {activeDropdown === 'elements' && (
+                <ClickOutside
+                  onClickOutside={closeDropdown}
+                  excludedElements={[elementsTriggerRef]}
+                >
+                  <div className={dropdownPanelClass}>
+                    <MenuActionButton
+                      icon={mdiSwapHorizontal}
+                      label='Navigation Button'
+                      onClick={() =>
+                        handleMenuAction(() =>
+                          onAddElement(allowedNavigationTypes[0]),
+                        )
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiImageMultiple}
+                      label='Gallery'
+                      onClick={() =>
+                        handleMenuAction(() => onAddElement('gallery'))
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiViewCarousel}
+                      label='Carousel'
+                      onClick={() =>
+                        handleMenuAction(() => onAddElement('carousel'))
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiText}
+                      label='Description'
+                      onClick={() =>
+                        handleMenuAction(() => onAddElement('description'))
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiVideo}
+                      label='Video Player'
+                      onClick={() =>
+                        handleMenuAction(() => onAddElement('video_player'))
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiMusicNote}
+                      label='Audio Player'
+                      onClick={() =>
+                        handleMenuAction(() => onAddElement('audio_player'))
+                      }
+                    />
+                    <MenuActionButton
+                      icon={mdiInformationOutline}
+                      label='Info Panel'
+                      onClick={() =>
+                        handleMenuAction(() => onAddElement('info_panel'))
+                      }
+                    />
+                  </div>
+                </ClickOutside>
+              )}
+            </div>
+            <div className='flex items-center gap-1'>
+              <button
+                type='button'
+                onClick={onCopyElement}
+                disabled={!canCopyCurrentElement}
+                className={iconBtnClass}
+                title='Copy selected element'
+                aria-label='Copy selected element'
+              >
+                <BaseIcon path={mdiContentDuplicate} size={20} />
+              </button>
+              <button
+                type='button'
+                onClick={onPasteElement}
+                disabled={!canPasteCurrentElement}
+                className={iconBtnClass}
+                title='Paste copied element'
+                aria-label='Paste copied element'
+              >
+                <BaseIcon path={mdiContentPaste} size={20} />
+              </button>
+            </div>
+          </div>
+        </div>
 
-        {/* Create Page Button */}
-        <button
-          type='button'
-          onClick={onCreatePage}
-          disabled={isCreatingPage}
-          className={`${triggerBtnClass} ${isCreatingPage ? 'opacity-50 cursor-not-allowed' : ''}`}
-        >
-          <BaseIcon path={mdiPlus} size={18} />
-          <span>{isCreatingPage ? 'Creating...' : 'Page'}</span>
-        </button>
+        <div className='flex h-[58px] items-start gap-2 border-l border-white/15 pt-4 pl-3'>
+          {/* Save Button - reuse BaseButton with subtitle */}
+          <BaseButton
+            small
+            color='info'
+            label={isSaving ? 'Saving...' : 'Save'}
+            subtitle={
+              lastSavedAt
+                ? dataFormatter.relativeTimestamp(lastSavedAt)
+                : undefined
+            }
+            onClick={onSave}
+            disabled={isSaving}
+          />
 
-        {/* Save Button - reuse BaseButton with subtitle */}
-        <BaseButton
-          small
-          color='info'
-          label={isSaving ? 'Saving...' : 'Save'}
-          subtitle={
-            lastSavedAt
-              ? dataFormatter.relativeTimestamp(lastSavedAt)
-              : undefined
-          }
-          onClick={onSave}
-          disabled={isSaving}
-        />
+          {/* Save to Stage Button */}
+          <BaseButton
+            small
+            color='success'
+            label={isSavingToStage ? 'Saving...' : 'Stage'}
+            subtitle={
+              lastSavedToStageAt
+                ? dataFormatter.relativeTimestamp(lastSavedToStageAt)
+                : undefined
+            }
+            onClick={onSaveToStage}
+            disabled={isSavingToStage}
+          />
 
-        {/* Save to Stage Button */}
-        <BaseButton
-          small
-          color='success'
-          label={isSavingToStage ? 'Saving...' : 'Stage'}
-          subtitle={
-            lastSavedToStageAt
-              ? dataFormatter.relativeTimestamp(lastSavedToStageAt)
-              : undefined
-          }
-          onClick={onSaveToStage}
-          disabled={isSavingToStage}
-        />
+          {/* Exit Button */}
+          <button
+            type='button'
+            onClick={onExit}
+            className='flex h-10 w-10 items-center justify-center rounded text-red-400 transition-colors hover:bg-red-500/20 hover:text-red-300'
+            title='Exit constructor'
+          >
+            <BaseIcon path={mdiExitToApp} size={26} />
+          </button>
 
-        {/* Exit Button */}
-        <button
-          type='button'
-          onClick={onExit}
-          className='flex items-center justify-center w-10 h-10 rounded text-red-400 hover:text-red-300 hover:bg-red-500/20 transition-colors'
-          title='Exit constructor'
-        >
-          <BaseIcon path={mdiExitToApp} size={26} />
-        </button>
-
-        {/* Collapse Toggle */}
-        <button
-          type='button'
-          onClick={() => setIsCollapsed(true)}
-          className='flex items-center justify-center w-10 h-10 rounded text-white/60 hover:text-white/90 hover:bg-white/20 transition-colors'
-          title='Collapse toolbar'
-        >
-          <BaseIcon path={mdiChevronLeft} size={26} />
-        </button>
+          {/* Collapse Toggle */}
+          <button
+            type='button'
+            onClick={() => setIsCollapsed(true)}
+            className='flex h-10 w-10 items-center justify-center rounded text-white/60 transition-colors hover:bg-white/20 hover:text-white/90'
+            title='Collapse toolbar'
+          >
+            <BaseIcon path={mdiChevronLeft} size={26} />
+          </button>
+        </div>
       </div>
     );
   },

frontend/src/components/Constructor/ElementEditorHeader.tsx

@@ -36,6 +36,7 @@ const ElementEditorHeader: React.FC<ElementEditorHeaderProps> = ({
         <button
           type='button'
           className='text-[10px] text-white/70 hover:text-white hover:underline'
+          onMouseDown={(event) => event.stopPropagation()}
           onClick={onToggleCollapse}
         >
           {isCollapsed ? 'Expand' : 'Collapse'}
@@ -44,6 +45,7 @@ const ElementEditorHeader: React.FC<ElementEditorHeaderProps> = ({
           <button
             type='button'
             className='text-[10px] text-red-400 hover:text-red-300 hover:underline'
+            onMouseDown={(event) => event.stopPropagation()}
             onClick={onRemove}
           >
             Remove

frontend/src/components/Constructor/InteractionModeToggle.tsx

@@ -19,13 +19,17 @@ const InteractionModeToggle: React.FC<InteractionModeToggleProps> = ({
   compact = false,
 }) => {
   const isEditMode = mode === 'edit';
+  const wrapperClass = compact
+    ? 'flex items-center'
+    : 'flex flex-wrap items-center gap-2';
+  const buttonClass = compact ? 'h-10 px-4 py-0' : 'px-3 py-1.5';
 
   return (
-    <div className='flex flex-wrap items-center gap-2'>
+    <div className={wrapperClass}>
       <div className='inline-flex overflow-hidden rounded border border-white/30 bg-white/10 text-xs font-semibold'>
         <button
           type='button'
-          className={`px-3 py-1.5 transition-colors ${
+          className={`${buttonClass} transition-colors ${
             isEditMode
               ? 'bg-blue-500/80 text-white'
               : 'text-white/70 hover:bg-white/10'
@@ -36,7 +40,7 @@ const InteractionModeToggle: React.FC<InteractionModeToggleProps> = ({
         </button>
         <button
           type='button'
-          className={`border-l border-white/30 px-3 py-1.5 transition-colors ${
+          className={`border-l border-white/30 ${buttonClass} transition-colors ${
             !isEditMode
               ? 'bg-blue-500/80 text-white'
               : 'text-white/70 hover:bg-white/10'

frontend/src/components/Constructor/PageSelector.tsx

@@ -13,6 +13,7 @@ interface PageSelectorProps {
   activePageId: string;
   onPageChange: (pageId: string) => void;
   disabled?: boolean;
+  className?: string;
 }
 
 const PageSelector: React.FC<PageSelectorProps> = ({
@@ -20,6 +21,7 @@ const PageSelector: React.FC<PageSelectorProps> = ({
   activePageId,
   onPageChange,
   disabled = false,
+  className = '',
 }) => {
   // Sort pages by sort_order ascending, then by name
   const sortedPages = useMemo(() => {
@@ -45,7 +47,7 @@ const PageSelector: React.FC<PageSelectorProps> = ({
 
   return (
     <select
-      className='rounded border border-white/30 bg-white/20 pl-3 pr-8 py-1.5 text-sm text-white/90 backdrop-blur-sm focus:outline-none focus:ring-1 focus:ring-white/40 appearance-none bg-no-repeat bg-[length:16px] bg-[right_8px_center]'
+      className={`rounded border border-white/30 bg-white/20 pl-3 pr-8 py-1.5 text-sm text-white/90 backdrop-blur-sm focus:outline-none focus:ring-1 focus:ring-white/40 appearance-none bg-no-repeat bg-[length:16px] bg-[right_8px_center] ${className}`}
       style={{
         backgroundImage: `url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='rgba(255,255,255,0.7)' d='M7.41 8.59L12 13.17l4.59-4.58L18 10l-6 6-6-6 1.41-1.41z'/%3E%3C/svg%3E")`,
       }}

frontend/src/components/Constructor/types.ts

@@ -269,6 +269,10 @@ export interface ConstructorToolbarProps {
   // Element actions
   allowedNavigationTypes: NavigationElementType[];
   onAddElement: (type: CanvasElementType) => void;
+  onCopyElement?: () => void;
+  onPasteElement?: () => void;
+  canCopyElement?: boolean;
+  canPasteElement?: boolean;
 
   // Page actions
   onCreatePage: () => void;

frontend/src/context/ConstructorContext.tsx

@@ -132,14 +132,19 @@ export interface ConstructorContextValue {
   // Element state
   elements: CanvasElement[];
   setElements: React.Dispatch<React.SetStateAction<CanvasElement[]>>;
+  getElements: () => CanvasElement[];
   selectedElementId: string | null;
   selectedElement: CanvasElement | null;
+  copiedElement: CanvasElement | null;
+  canPasteElement: boolean;
   selectElement: (id: string) => void;
   clearSelection: () => void;
   updateElement: (id: string, patch: Partial<CanvasElement>) => void;
   removeElement: (id: string) => void;
   updateSelectedElement: (patch: Partial<CanvasElement>) => void;
   removeSelectedElement: () => void;
+  copySelectedElement: () => void;
+  pasteCopiedElement: () => CanvasElement | null;
 
   // Menu state
   selectedMenuItem: EditorMenuItem;
@@ -281,26 +286,36 @@ export function useConstructorElements() {
     () => ({
       elements: ctx.elements,
       setElements: ctx.setElements,
+      getElements: ctx.getElements,
       selectedElementId: ctx.selectedElementId,
       selectedElement: ctx.selectedElement,
+      copiedElement: ctx.copiedElement,
+      canPasteElement: ctx.canPasteElement,
       selectElement: ctx.selectElement,
       clearSelection: ctx.clearSelection,
       updateElement: ctx.updateElement,
       removeElement: ctx.removeElement,
       updateSelectedElement: ctx.updateSelectedElement,
       removeSelectedElement: ctx.removeSelectedElement,
+      copySelectedElement: ctx.copySelectedElement,
+      pasteCopiedElement: ctx.pasteCopiedElement,
     }),
     [
       ctx.elements,
       ctx.setElements,
+      ctx.getElements,
       ctx.selectedElementId,
       ctx.selectedElement,
+      ctx.copiedElement,
+      ctx.canPasteElement,
       ctx.selectElement,
       ctx.clearSelection,
       ctx.updateElement,
       ctx.removeElement,
       ctx.updateSelectedElement,
       ctx.removeSelectedElement,
+      ctx.copySelectedElement,
+      ctx.pasteCopiedElement,
     ],
   );
 }

frontend/src/hooks/useConstructorElements.ts

@@ -5,7 +5,7 @@
  * Used in constructor.tsx for adding, updating, and removing UI elements.
  */
 
-import { useState, useCallback, useMemo } from 'react';
+import { useState, useCallback, useMemo, useRef } from 'react';
 import type {
   CanvasElement,
   CanvasElementType,
@@ -25,6 +25,7 @@ import {
 import {
   createDefaultElement,
   createLocalId,
+  cloneElementForPaste,
   mergeElementWithDefaults,
   isGalleryElementType,
   isCarouselElementType,
@@ -63,6 +64,10 @@ interface UseConstructorElementsOptions {
   onElementAdded?: (element: CanvasElement) => void;
   /** Callback when an element is removed */
   onElementRemoved?: (elementId: string) => void;
+  /** Callback when an element is copied */
+  onElementCopied?: (element: CanvasElement) => void;
+  /** Callback when an element is pasted */
+  onElementPasted?: (element: CanvasElement) => void;
 }
 
 interface UseConstructorElementsResult {
@@ -70,10 +75,16 @@ interface UseConstructorElementsResult {
   elements: CanvasElement[];
   /** Set elements directly */
   setElements: React.Dispatch<React.SetStateAction<CanvasElement[]>>;
+  /** Read the latest elements synchronously, including just-applied updates */
+  getElements: () => CanvasElement[];
   /** Currently selected element ID */
   selectedElementId: string;
   /** Currently selected element (or null) */
   selectedElement: CanvasElement | null;
+  /** Element copied inside the current constructor session */
+  copiedElement: CanvasElement | null;
+  /** Whether an element can be pasted into the current page */
+  canPasteElement: boolean;
   /** Select an element for editing */
   selectElement: (elementId: string) => void;
   /** Clear selection */
@@ -90,6 +101,10 @@ interface UseConstructorElementsResult {
   updateElement: (elementId: string, patch: Partial<CanvasElement>) => void;
   /** Remove the selected element */
   removeSelectedElement: () => void;
+  /** Copy the selected element into the constructor clipboard */
+  copySelectedElement: () => void;
+  /** Paste the copied element into the current page */
+  pasteCopiedElement: () => CanvasElement | null;
   /** Remove an element by ID */
   removeElement: (elementId: string) => void;
   /** Gallery card operations */
@@ -212,8 +227,32 @@ export function useConstructorElements({
   onSelectionCleared,
   onElementAdded,
   onElementRemoved,
+  onElementCopied,
+  onElementPasted,
 }: UseConstructorElementsOptions = {}): UseConstructorElementsResult {
   const [elements, setElements] = useState<CanvasElement[]>(initialElements);
+  const elementsRef = useRef<CanvasElement[]>(initialElements);
+  const [copiedElement, setCopiedElement] = useState<CanvasElement | null>(
+    null,
+  );
+
+  const setElementsWithRef = useCallback(
+    (value: React.SetStateAction<CanvasElement[]>) => {
+      const nextElements =
+        typeof value === 'function'
+          ? (value as (prev: CanvasElement[]) => CanvasElement[])(
+              elementsRef.current,
+            )
+          : value;
+
+      elementsRef.current = nextElements;
+      setElements(nextElements);
+      onElementsChange?.(nextElements);
+    },
+    [onElementsChange],
+  );
+
+  const getElements = useCallback(() => elementsRef.current, []);
   // Initialize selectedElementId from route param if element exists in initialElements
   const [selectedElementId, setSelectedElementId] = useState(() => {
     if (
@@ -229,6 +268,7 @@ export function useConstructorElements({
     () => elements.find((el) => el.id === selectedElementId) || null,
     [elements, selectedElementId],
   );
+  const canPasteElement = Boolean(copiedElement);
 
   const selectElement = useCallback(
     (elementId: string) => {
@@ -255,9 +295,8 @@ export function useConstructorElements({
       const defaults = elementDefaultsByType[effectiveType];
       const newElement = mergeElementWithDefaults(baseElement, defaults);
 
-      setElements((prev) => {
+      setElementsWithRef((prev) => {
         const next = [...prev, newElement];
-        onElementsChange?.(next);
         return next;
       });
       setSelectedElementId(newElement.id);
@@ -268,7 +307,7 @@ export function useConstructorElements({
       allowedNavigationTypes,
       elements.length,
       elementDefaultsByType,
-      onElementsChange,
+      setElementsWithRef,
       onElementSelected,
       onElementAdded,
     ],
@@ -282,31 +321,29 @@ export function useConstructorElements({
     ) => {
       if (!selectedElementId) return;
 
-      setElements((prev) => {
+      setElementsWithRef((prev) => {
         const next = prev.map((el) => {
           if (el.id !== selectedElementId) return el;
           const patch =
             typeof patchOrFn === 'function' ? patchOrFn(el) : patchOrFn;
           return { ...el, ...patch };
         });
-        onElementsChange?.(next);
         return next;
       });
     },
-    [selectedElementId, onElementsChange],
+    [selectedElementId, setElementsWithRef],
   );
 
   const updateElement = useCallback(
     (elementId: string, patch: Partial<CanvasElement>) => {
-      setElements((prev) => {
+      setElementsWithRef((prev) => {
         const next = prev.map((el) =>
           el.id === elementId ? { ...el, ...patch } : el,
         );
-        onElementsChange?.(next);
         return next;
       });
     },
-    [onElementsChange],
+    [setElementsWithRef],
   );
 
   const removeSelectedElement = useCallback(() => {
@@ -314,10 +351,9 @@ export function useConstructorElements({
     const removedId = selectedElementId;
 
     let nextSelectedId = '';
-    setElements((prev) => {
+    setElementsWithRef((prev) => {
       const filtered = prev.filter((el) => el.id !== selectedElementId);
       nextSelectedId = filtered[0]?.id || '';
-      onElementsChange?.(filtered);
       return filtered;
     });
 
@@ -331,7 +367,7 @@ export function useConstructorElements({
     onElementRemoved?.(removedId);
   }, [
     selectedElementId,
-    onElementsChange,
+    setElementsWithRef,
     onElementSelected,
     onSelectionCleared,
     onElementRemoved,
@@ -339,9 +375,8 @@ export function useConstructorElements({
 
   const removeElement = useCallback(
     (elementId: string) => {
-      setElements((prev) => {
+      setElementsWithRef((prev) => {
         const next = prev.filter((el) => el.id !== elementId);
-        onElementsChange?.(next);
         return next;
       });
 
@@ -349,18 +384,46 @@ export function useConstructorElements({
         setSelectedElementId('');
       }
     },
-    [selectedElementId, onElementsChange],
+    [selectedElementId, setElementsWithRef],
   );
 
+  const copySelectedElement = useCallback(() => {
+    if (!selectedElement) return;
+
+    const clonedForClipboard = cloneElementForPaste(selectedElement);
+    setCopiedElement(clonedForClipboard);
+    onElementCopied?.(selectedElement);
+  }, [selectedElement, onElementCopied]);
+
+  const pasteCopiedElement = useCallback(() => {
+    if (!copiedElement) return null;
+
+    const pastedElement = cloneElementForPaste(copiedElement);
+    setElementsWithRef((prev) => {
+      const next = [...prev, pastedElement];
+      return next;
+    });
+    setSelectedElementId(pastedElement.id);
+    onElementSelected?.(pastedElement.id);
+    onElementPasted?.(pastedElement);
+
+    return pastedElement;
+  }, [
+    copiedElement,
+    onElementSelected,
+    onElementPasted,
+    setElementsWithRef,
+  ]);
+
   const updateElementPosition = useCallback(
     (elementId: string, xPercent: number, yPercent: number) => {
-      setElements((prev) =>
+      setElementsWithRef((prev) =>
         prev.map((el) =>
           el.id === elementId ? { ...el, xPercent, yPercent } : el,
         ),
       );
     },
-    [],
+    [setElementsWithRef],
   );
 
   // Gallery card operations
@@ -678,15 +741,20 @@ export function useConstructorElements({
 
   return {
     elements,
-    setElements,
+    setElements: setElementsWithRef,
+    getElements,
     selectedElementId,
     selectedElement,
+    copiedElement,
+    canPasteElement,
     selectElement,
     clearSelection,
     addElement,
     updateSelectedElement,
     updateElement,
     removeSelectedElement,
+    copySelectedElement,
+    pasteCopiedElement,
     removeElement,
     galleryCards,
     galleryInfoSpans,

frontend/src/hooks/useConstructorPageActions.ts

@@ -60,6 +60,8 @@ interface UseConstructorPageActionsOptions {
   activePageId: string;
   /** Current elements array */
   elements: CanvasElement[];
+  /** Latest elements getter for same-tick paste/save flows */
+  getElements?: () => CanvasElement[];
   /** Consolidated page background state */
   pageBackground: PageBackgroundState;
   /** Callback to reload data after operations */
@@ -126,6 +128,7 @@ export function useConstructorPageActions({
   activePage,
   activePageId,
   elements,
+  getElements,
   pageBackground,
   onReload,
   onSetActivePageId,
@@ -194,10 +197,11 @@ export function useConstructorPageActions({
 
     try {
       setIsSaving(true);
+      const elementsToSave = getElements ? getElements() : elements;
 
       // Capture pending reverse video keys BEFORE save
       // These are elements that will trigger async reversed video generation
-      const pendingReverseKeys = getPendingReverseVideoKeys(elements);
+      const pendingReverseKeys = getPendingReverseVideoKeys(elementsToSave);
 
       const existingSchema = parseJsonObject<Record<string, any>>(
         activePage?.ui_schema_json,
@@ -205,7 +209,7 @@ export function useConstructorPageActions({
       );
       const schemaToSave = {
         ...existingSchema,
-        elements,
+        elements: elementsToSave,
       };
 
       await axios.put(`/tour_pages/${activePageId}`, {
@@ -279,6 +283,7 @@ export function useConstructorPageActions({
     activePageId,
     pageBackground,
     elements,
+    getElements,
     project?.design_width,
     project?.design_height,
     onError,

frontend/src/lib/elementDefaults.ts

@@ -67,6 +67,68 @@ export const createLocalId = (): string => {
   return `element_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`;
 };
 
+const deepCloneElement = (element: CanvasElement): CanvasElement => {
+  if (typeof structuredClone === 'function') {
+    return structuredClone(element);
+  }
+
+  return JSON.parse(JSON.stringify(element)) as CanvasElement;
+};
+
+/**
+ * Deep-copy an existing element as a new independent canvas instance.
+ *
+ * All settings, media, navigation targets, transitions, styles, effects, and
+ * positions are preserved. Only element-instance IDs are regenerated.
+ */
+export const cloneElementForPaste = (element: CanvasElement): CanvasElement => {
+  const cloned = deepCloneElement(element);
+
+  cloned.id = createLocalId();
+
+  if (Array.isArray(cloned.galleryCards)) {
+    cloned.galleryCards = cloned.galleryCards.map((card) => ({
+      ...card,
+      id: createLocalId(),
+    }));
+  }
+
+  if (Array.isArray(cloned.galleryInfoSpans)) {
+    cloned.galleryInfoSpans = cloned.galleryInfoSpans.map((span) => ({
+      ...span,
+      id: createLocalId(),
+    }));
+  }
+
+  if (Array.isArray(cloned.carouselSlides)) {
+    cloned.carouselSlides = cloned.carouselSlides.map((slide) => ({
+      ...slide,
+      id: createLocalId(),
+    }));
+  }
+
+  if (Array.isArray(cloned.infoPanelSections)) {
+    cloned.infoPanelSections = cloned.infoPanelSections.map((section) => ({
+      ...section,
+      id: createLocalId(),
+      spans: Array.isArray(section.spans)
+        ? section.spans.map((span) => ({
+            ...span,
+            id: createLocalId(),
+          }))
+        : section.spans,
+      images: Array.isArray(section.images)
+        ? section.images.map((image) => ({
+            ...image,
+            id: createLocalId(),
+          }))
+        : section.images,
+    }));
+  }
+
+  return cloned;
+};
+
 /**
  * Clamp a number between min and max
  */

frontend/src/pages/constructor.tsx

@@ -136,6 +136,19 @@ const sortTourPagesForDisplay = (items: TourPage[]) =>
     return (a.name || '').localeCompare(b.name || '');
   });
 
+const isEditableShortcutTarget = (target: EventTarget | null) => {
+  if (!(target instanceof HTMLElement)) return false;
+
+  const tagName = target.tagName.toLowerCase();
+  return (
+    tagName === 'input' ||
+    tagName === 'textarea' ||
+    tagName === 'select' ||
+    target.isContentEditable ||
+    Boolean(target.closest('[contenteditable="true"]'))
+  );
+};
+
 // Use ELEMENT_TYPE_LABELS from elementDefaults for label lookup
 const labelByType = ELEMENT_TYPE_LABELS;
 
@@ -335,13 +348,18 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
   const {
     elements,
     setElements,
+    getElements,
     selectedElementId,
     selectedElement,
+    copiedElement,
+    canPasteElement,
     selectElement,
     clearSelection,
     addElement,
     updateSelectedElement,
     removeSelectedElement,
+    copySelectedElement,
+    pasteCopiedElement,
     galleryCards,
     galleryInfoSpans,
     carouselSlides,
@@ -366,6 +384,14 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
     onElementRemoved: useCallback(() => {
       setSuccessMessage('Element removed.');
     }, []),
+    onElementCopied: useCallback(() => {
+      setSuccessMessage('Element copied.');
+      setErrorMessage('');
+    }, []),
+    onElementPasted: useCallback(() => {
+      setSuccessMessage('Element pasted.');
+      setErrorMessage('');
+    }, []),
   });
 
   // Check if any element has full-width carousel mode enabled
@@ -1022,6 +1048,7 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
     activePage,
     activePageId,
     elements,
+    getElements,
     pageBackground,
     onReload: handleReload,
     onSetActivePageId: setActivePageId,
@@ -1545,6 +1572,42 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
     [clearSelection],
   );
 
+  useEffect(() => {
+    if (!isConstructorEditMode || isLoading || !activePageId) return;
+
+    const handleElementClipboardShortcut = (event: KeyboardEvent) => {
+      if (!event.metaKey && !event.ctrlKey) return;
+      if (event.altKey || event.shiftKey) return;
+      if (isEditableShortcutTarget(event.target)) return;
+
+      const shortcutKey = event.key.toLowerCase();
+      if (shortcutKey === 'c') {
+        if (!selectedElement) return;
+        event.preventDefault();
+        copySelectedElement();
+        return;
+      }
+
+      if (shortcutKey === 'v') {
+        if (!canPasteElement) return;
+        event.preventDefault();
+        pasteCopiedElement();
+      }
+    };
+
+    window.addEventListener('keydown', handleElementClipboardShortcut);
+    return () =>
+      window.removeEventListener('keydown', handleElementClipboardShortcut);
+  }, [
+    activePageId,
+    canPasteElement,
+    copySelectedElement,
+    isConstructorEditMode,
+    isLoading,
+    pasteCopiedElement,
+    selectedElement,
+  ]);
+
   // createPage, saveConstructor, saveToStage are now provided by useConstructorPageActions hook
 
   const onElementMouseDown = (event: React.MouseEvent, elementId: string) => {
@@ -1973,8 +2036,11 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
       // Element state
       elements,
       setElements,
+      getElements,
       selectedElementId,
       selectedElement,
+      copiedElement,
+      canPasteElement,
       selectElement,
       clearSelection,
       updateElement: (id: string, patch: Partial<CanvasElement>) => {
@@ -1990,6 +2056,8 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
       },
       updateSelectedElement,
       removeSelectedElement,
+      copySelectedElement,
+      pasteCopiedElement,
 
       // Menu state
       selectedMenuItem,
@@ -2048,12 +2116,17 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
       setBackgroundVideoSettings,
       elements,
       setElements,
+      getElements,
       selectedElementId,
       selectedElement,
+      copiedElement,
+      canPasteElement,
       selectElement,
       clearSelection,
       updateSelectedElement,
       removeSelectedElement,
+      copySelectedElement,
+      pasteCopiedElement,
       selectedMenuItem,
       isMenuOpen,
       elementEditorTab,
@@ -2139,6 +2212,10 @@ const ConstructorPage = ({ mode = 'constructor' }: ConstructorPageProps) => {
             onSelectMenuItem={selectMenuItemForEdit}
             allowedNavigationTypes={allowedNavigationTypes}
             onAddElement={addElement}
+            onCopyElement={copySelectedElement}
+            onPasteElement={pasteCopiedElement}
+            canCopyElement={Boolean(selectedElement)}
+            canPasteElement={canPasteElement}
             onCreatePage={handleShowCreatePageModal}
             isCreatingPage={isCreatingPage}
             onSave={saveConstructor}