diff --git a/index.html b/index.html
index 66c89ee..f912e5b 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,10 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/x-icon" href="/favicon.ico" />
+    <link rel="apple-touch-icon" href="/pwa-icon-192.png" />
+    <link rel="manifest" href="/manifest.webmanifest" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="theme-color" content="#17171b" />
     <title>RUWIO</title>
   </head>
   <body>
diff --git a/package.json b/package.json
index 3e0e093..a85dcdf 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ruwio",
   "private": true,
-  "version": "0.11.1",
+  "version": "0.12.0",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/public/manifest.webmanifest b/public/manifest.webmanifest
new file mode 100644
index 0000000..370b83e
--- /dev/null
+++ b/public/manifest.webmanifest
@@ -0,0 +1,32 @@
+{
+  "name": "RUWIO",
+  "short_name": "RUWIO",
+  "description": "A timeline-based animation editor that runs in your browser.",
+  "start_url": "/",
+  "scope": "/",
+  "display": "standalone",
+  "display_override": ["window-controls-overlay", "standalone"],
+  "orientation": "any",
+  "background_color": "#17171b",
+  "theme_color": "#17171b",
+  "icons": [
+    {
+      "src": "/pwa-icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/pwa-icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/pwa-icon-maskable-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ]
+}
diff --git a/public/pwa-icon-192.png b/public/pwa-icon-192.png
new file mode 100644
index 0000000..39db5f1
Binary files /dev/null and b/public/pwa-icon-192.png differ
diff --git a/public/pwa-icon-512.png b/public/pwa-icon-512.png
new file mode 100644
index 0000000..4ee8e28
Binary files /dev/null and b/public/pwa-icon-512.png differ
diff --git a/public/pwa-icon-maskable-512.png b/public/pwa-icon-maskable-512.png
new file mode 100644
index 0000000..f316a68
Binary files /dev/null and b/public/pwa-icon-maskable-512.png differ
diff --git a/public/sw.js b/public/sw.js
new file mode 100644
index 0000000..94229c6
--- /dev/null
+++ b/public/sw.js
@@ -0,0 +1,19 @@
+// Minimal service worker. Present so Chrome considers the site
+// installable as a PWA; installed instances run in standalone display
+// mode, which removes the top-edge "exit fullscreen" indicator that
+// regular-browser tabs get when entering the Fullscreen API.
+// No caching logic — assets are served straight from the network so
+// a new build is picked up without a version bump dance.
+
+self.addEventListener('install', (event) => {
+  self.skipWaiting()
+})
+
+self.addEventListener('activate', (event) => {
+  event.waitUntil(self.clients.claim())
+})
+
+self.addEventListener('fetch', () => {
+  // Fall through to network. Required handler for installability; we
+  // deliberately do nothing else so dev/prod behave identically.
+})
diff --git a/src/App.vue b/src/App.vue
index bd70262..7e6218b 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -24,6 +24,7 @@ import HelpDialog from './components/HelpDialog.vue'
 import CanvasStage from './components/CanvasStage.vue'
 import ClipartDrawer from './components/ClipartDrawer.vue'
 import SceneDrawer from './components/SceneDrawer.vue'
+import DocumentDrawer from './components/DocumentDrawer.vue'
 import DocumentSettings from './components/DocumentSettings.vue'
 import ExportDialog from './components/ExportDialog.vue'
 import FullscreenPreview from './components/FullscreenPreview.vue'
@@ -37,7 +38,9 @@ import { confirmDialog, DialogsHost, IconButton, promptDialog, Toast } from './c
 import { t } from './i18n'
 import { useHistory } from './composables/useHistory'
 import { useAudioRuntime } from './composables/useAudioRuntime'
+import { useDocumentDrawer } from './composables/useDocumentDrawer'
 import { usePlaybackLoop } from './composables/usePlaybackLoop'
+import { useProjectName } from './composables/useProjectName'
 import {
   ProjectFileError,
   downloadProject,
@@ -136,8 +139,8 @@ function onWindowResize() {
 }
 const loadError = ref<string | null>(null)
 const savedToast = ref<string | null>(null)
-const currentProjectId = ref<string | null>(null)
-const currentProjectName = ref<string | null>(null)
+const { projectName: currentProjectName, projectId: currentProjectId } = useProjectName()
+const documentDrawer = useDocumentDrawer()
 // Dirty = scene has changed since the last save/load. Deep-watches
 // store.scene; save/load paths clear it after the next tick so the
 // replacement itself doesn't leave the project flagged as unsaved.
@@ -195,32 +198,12 @@ async function saveProject() {
   await markClean()
 }
 
-async function renameProject() {
-  const suggested =
-    currentProjectName.value ??
-    t('app.saveDialog.defaultName', { date: new Date().toLocaleDateString() })
-  const entered = await promptDialog({
-    title: t('app.renameProjectDialog.title'),
-    message: t('app.renameProjectDialog.message'),
-    defaultValue: suggested,
-    confirmLabel: t('app.renameProjectDialog.confirm'),
-  })
-  if (entered === null) return
-  const trimmed = entered.trim()
-  if (!trimmed || trimmed === currentProjectName.value) return
-  currentProjectName.value = trimmed
-  // If the project is already persisted in browser storage, sync the
-  // new name to its record so future loads (and the recents list) use
-  // it. Unsaved projects just get the in-memory name — the next save
-  // picks it up.
-  if (currentProjectId.value) {
-    const project = JSON.parse(JSON.stringify(store.project))
-    const rec = await saveProjectToStore(project, {
-      id: currentProjectId.value,
-      name: trimmed,
-    })
-    currentProjectName.value = rec.name
-  }
+function openProjectNameDrawer() {
+  // Clicking the project name in the topbar toggles the document
+  // drawer — edits the name inline alongside the rest of the document
+  // settings. Clicking again closes it, matching the topbar button's
+  // dual role as trigger and dismiss.
+  documentDrawer.toggle()
 }
 
 function exportProjectFile() {
@@ -423,9 +406,11 @@ onBeforeUnmount(() => {
 </script>
 
 <template>
+  <div class="root">
   <div class="shell">
     <ClipartDrawer />
     <div class="app" :style="appStyle">
+    <DocumentDrawer />
     <header class="topbar">
       <div class="brand-area">
         <button class="brand" v-tooltip="t('about.openTooltip')" @click="aboutOpen = true">
@@ -438,7 +423,7 @@ onBeforeUnmount(() => {
             label: t('app.renameProject'),
             help: t('app.renameProjectHelp'),
           }"
-          @click="renameProject"
+          @click="openProjectNameDrawer"
         >
           <span class="project-name-label">
             {{ currentProjectName ?? t('app.untitledProject') }}
@@ -447,30 +432,32 @@ onBeforeUnmount(() => {
         </button>
       </div>
       <div class="transport">
-        <IconButton
-          :icon="PhArrowCounterClockwise"
-          icon-weight="bold"
-          size="md"
-          :disabled="!history.canUndo.value"
-          :title="t('app.undo')"
-          @click="history.undo"
-        />
-        <IconButton
-          :icon="PhArrowClockwise"
-          icon-weight="bold"
-          size="md"
-          :disabled="!history.canRedo.value"
-          :title="t('app.redo')"
-          @click="history.redo"
-        />
-        <div class="tsep"></div>
-        <IconButton
-          :icon="PhSkipBack"
-          icon-weight="fill"
-          size="md"
-          :title="t('app.jumpToStart')"
-          @click="rewind"
-        />
+        <div class="transport-side transport-left">
+          <IconButton
+            :icon="PhArrowCounterClockwise"
+            icon-weight="bold"
+            size="md"
+            :disabled="!history.canUndo.value"
+            :title="t('app.undo')"
+            @click="history.undo"
+          />
+          <IconButton
+            :icon="PhArrowClockwise"
+            icon-weight="bold"
+            size="md"
+            :disabled="!history.canRedo.value"
+            :title="t('app.redo')"
+            @click="history.redo"
+          />
+          <div class="tsep"></div>
+          <IconButton
+            :icon="PhSkipBack"
+            icon-weight="fill"
+            size="md"
+            :title="t('app.jumpToStart')"
+            @click="rewind"
+          />
+        </div>
         <IconButton
           :icon="store.playing ? PhPause : PhPlay"
           icon-weight="fill"
@@ -479,14 +466,16 @@ onBeforeUnmount(() => {
           :title="store.playing ? t('app.pause') : t('app.play')"
           @click="store.togglePlay()"
         />
-        <IconButton
-          :icon="PhStop"
-          icon-weight="fill"
-          size="md"
-          :title="t('app.stop')"
-          @click="stop"
-        />
-        <span class="time">{{ store.playhead.toFixed(2) }}s / {{ store.scene.duration }}s</span>
+        <div class="transport-side transport-right">
+          <IconButton
+            :icon="PhStop"
+            icon-weight="fill"
+            size="md"
+            :title="t('app.stop')"
+            @click="stop"
+          />
+          <span class="time">{{ store.playhead.toFixed(2) }}s / {{ store.scene.duration }}s</span>
+        </div>
       </div>
       <div class="topbar-right">
         <button class="icon-btn" v-tooltip="t('app.recentProjects')" @click="welcomeOpen = true">
@@ -579,14 +568,24 @@ onBeforeUnmount(() => {
     <SceneDrawer />
     <TooltipHost />
   </div>
+  </div>
 </template>
 
 <style scoped>
+.root {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  width: 100vw;
+  overflow: hidden;
+}
+
 .shell {
   display: flex;
   align-items: stretch;
-  height: 100vh;
-  width: 100vw;
+  flex: 1 1 auto;
+  min-height: 0;
+  width: 100%;
   overflow: hidden;
 }
 
@@ -601,6 +600,7 @@ onBeforeUnmount(() => {
   flex: 1 1 0;
   min-width: 0;
   height: 100%;
+  position: relative;
 }
 
 .topbar {
@@ -611,6 +611,8 @@ onBeforeUnmount(() => {
   background: var(--panel);
   border-bottom: 1px solid var(--border);
   box-shadow: var(--shadow-sm);
+  position: relative;
+  z-index: 50;
 }
 
 .brand-area {
@@ -646,10 +648,29 @@ onBeforeUnmount(() => {
   color: var(--accent);
 }
 
+/* The play button sits in its own auto-width column; the two side
+   groups get equal 1fr space on either side. That way the play icon
+   is pinned to the topbar's horizontal center regardless of how much
+   content each side has. */
 .transport {
-  display: flex;
-  gap: 4px;
+  display: grid;
+  grid-template-columns: 1fr auto 1fr;
   align-items: center;
+  column-gap: 4px;
+}
+
+.transport-side {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.transport-left {
+  justify-content: flex-end;
+}
+
+.transport-right {
+  justify-content: flex-start;
 }
 
 .tsep {
diff --git a/src/components/AssetSidebar.vue b/src/components/AssetSidebar.vue
index 9bc6e86..c6a86ef 100644
--- a/src/components/AssetSidebar.vue
+++ b/src/components/AssetSidebar.vue
@@ -22,7 +22,15 @@ import {
 import { useSceneStore } from '@/stores/scene'
 import { useAssetThumbsPref } from '@/composables/useAssetThumbsPref'
 import { importAudioFile, importImageFile, isAudioFile } from '@/lib/fileLoader'
-import { clearAudioDragSource, setAudioDragSource } from '@/composables/useAudioDragSource'
+import {
+  clearAudioDragSource,
+  installAudioClipDragImage,
+  setAudioDragSource,
+} from '@/composables/useAudioDragSource'
+import {
+  clearClipDragSource,
+  setClipDragSource,
+} from '@/composables/useClipDragSource'
 import type { Asset } from '@/types/scene'
 import { confirmDialog, promptDialog } from '@/components/ui'
 import { loadSceneImages, renderButtonThumbnail } from '@/lib/render'
@@ -199,11 +207,105 @@ watchEffect(() => {
   buttonThumbs.value = out
 })
 
+// Shared ghost-installer: appends the node offscreen, hands it to
+// setDragImage for the snapshot frame, then removes it on next tick.
+function installGhost(e: DragEvent, node: HTMLElement) {
+  if (!e.dataTransfer) return
+  node.style.position = 'fixed'
+  node.style.top = '-10000px'
+  node.style.left = '-10000px'
+  node.style.pointerEvents = 'none'
+  document.body.appendChild(node)
+  try {
+    e.dataTransfer.setDragImage(node, 12, 13)
+  } catch {
+    /* ignore */
+  }
+  setTimeout(() => node.remove(), 0)
+}
+
+// Pill-shaped ghost matching Timeline's `.clip-block` look — accent-
+// coloured tint, film-strip icon, clip name. Track colour isn't known
+// at drag time, so we fall back to the accent hue.
+function buildClipGhost(name: string): HTMLElement {
+  const ghost = document.createElement('div')
+  ghost.style.cssText = [
+    'display: inline-flex',
+    'align-items: center',
+    'gap: 6px',
+    'height: 26px',
+    'padding: 0 10px',
+    'background: rgba(110,168,255,0.18)',
+    'border: 1px solid rgba(110,168,255,0.85)',
+    'border-radius: 4px',
+    'color: #a9c7ff',
+    'font: 500 11px/1.4 system-ui, sans-serif',
+    'white-space: nowrap',
+    'box-shadow: 0 2px 6px rgba(0,0,0,0.35)',
+  ].join('; ')
+  ghost.innerHTML =
+    '<svg width="12" height="12" viewBox="0 0 256 256" fill="currentColor" style="flex-shrink:0;opacity:0.9;">' +
+    '<path d="M216 40H40a16 16 0 0 0-16 16v144a16 16 0 0 0 16 16h176a16 16 0 0 0 16-16V56a16 16 0 0 0-16-16Zm0 16v32h-32V56Zm-64 0v32h-48V56Zm-64 32H56V56h32ZM40 104h32v48H40Zm48 0h80v48H88Zm96 0h32v48h-32ZM40 168h32v32H40Zm48 0h80v32H88Zm96 32v-32h32v32Z"/>' +
+    '</svg>'
+  const label = document.createElement('span')
+  label.textContent = name
+  label.style.cssText = 'overflow:hidden;text-overflow:ellipsis;max-width:200px;'
+  ghost.appendChild(label)
+  return ghost
+}
+
+// Fallback for buttons whose thumbnail hasn't rendered yet: a small
+// pill hinting at the stage-shaped target.
+function buildButtonGhost(name: string): HTMLElement {
+  const ghost = document.createElement('div')
+  ghost.style.cssText = [
+    'display: inline-flex',
+    'align-items: center',
+    'gap: 6px',
+    'height: 28px',
+    'padding: 0 14px',
+    'background: var(--panel, #2a2a34)',
+    'border: 1px solid rgba(255,255,255,0.25)',
+    'border-radius: 6px',
+    'color: #e6edf3',
+    'font: 500 12px/1.4 system-ui, sans-serif',
+    'white-space: nowrap',
+    'box-shadow: 0 2px 6px rgba(0,0,0,0.35)',
+  ].join('; ')
+  ghost.innerHTML =
+    '<svg width="12" height="12" viewBox="0 0 256 256" fill="currentColor" style="flex-shrink:0;opacity:0.9;">' +
+    '<path d="M169.57 72.61a8 8 0 0 0-5.46 10l20.36 61.05-25.62 17.1a8 8 0 0 0-2.51 10.9l40 64a8 8 0 1 0 13.56-8.48l-35.58-56.93 25.08-16.74a8 8 0 0 0 3.05-9.2L179.6 78.06a8 8 0 0 0-10.03-5.45ZM144 88a40 40 0 1 0-56 36.66v85.36a8 8 0 0 0 16 0V124.66A40 40 0 0 0 144 88Z"/>' +
+    '</svg>'
+  const label = document.createElement('span')
+  label.textContent = name
+  label.style.cssText = 'overflow:hidden;text-overflow:ellipsis;max-width:200px;'
+  ghost.appendChild(label)
+  return ghost
+}
+
 function onButtonAssetDragStart(e: DragEvent, assetId: string) {
   if (!e.dataTransfer) return
   e.dataTransfer.effectAllowed = 'copy'
   e.dataTransfer.setData('application/x-animatr-asset', assetId)
   e.dataTransfer.setData('text/plain', assetId)
+
+  // Mirror the image-asset behaviour: if the row already shows a
+  // pre-rendered button thumb, hand that to the drag layer so the
+  // cursor carries the stage-shaped preview instead of the library
+  // row. Fall back to a generic button pill when the thumb is still
+  // decoding or disabled (compact mode).
+  const target = e.currentTarget as HTMLElement
+  const thumbImg = target.querySelector('img') as HTMLImageElement | null
+  if (thumbImg && thumbImg.complete && thumbImg.naturalWidth > 0) {
+    const r = thumbImg.getBoundingClientRect()
+    const ox = Math.max(0, e.clientX - r.left)
+    const oy = Math.max(0, e.clientY - r.top)
+    e.dataTransfer.setDragImage(thumbImg, ox, oy)
+    return
+  }
+  const asset = store.scene.assets.find((a) => a.id === assetId)
+  const name = asset?.kind === 'button' ? asset.name : 'Button'
+  installGhost(e, buildButtonGhost(name))
 }
 
 async function renameButtonAssetPrompt(id: string, current: string) {
@@ -266,6 +368,18 @@ function onClipDragStart(e: DragEvent, clipId: string) {
   e.dataTransfer.effectAllowed = 'copy'
   e.dataTransfer.setData('application/x-animatr-clip', clipId)
   e.dataTransfer.setData('text/plain', clipId)
+
+  const clip = store.project.clips.find((c) => c.id === clipId)
+  // Mirror the audio flow: stash clip info so Timeline can render a
+  // hover ghost (dataTransfer.getData is unreadable during dragover).
+  setClipDragSource({
+    clipId,
+    duration: clip?.duration ?? 0,
+    name: clip?.name ?? 'Clip',
+  })
+  const el = e.currentTarget as HTMLElement
+  el.addEventListener('dragend', clearClipDragSource, { once: true })
+  installGhost(e, buildClipGhost(clip?.name ?? 'Clip'))
 }
 
 async function handleFileSelected(event: Event) {
@@ -365,6 +479,7 @@ function onAudioAssetDragStart(e: DragEvent, asset: Extract<Asset, { kind: 'audi
   // Surface the source info so Timeline's ghost preview has something
   // to render during dragover (dataTransfer.getData is unreadable then).
   setAudioDragSource({ duration: asset.duration, name: asset.name })
+  installAudioClipDragImage(e, { name: asset.name })
   const el = e.currentTarget as HTMLElement
   el.addEventListener('dragend', clearAudioDragSource, { once: true })
 }
diff --git a/src/components/ClipartDrawer.vue b/src/components/ClipartDrawer.vue
index 72ea0ec..415388b 100644
--- a/src/components/ClipartDrawer.vue
+++ b/src/components/ClipartDrawer.vue
@@ -1,10 +1,15 @@
 <script setup lang="ts">
-import { onBeforeUnmount, onMounted } from 'vue'
+import { onBeforeUnmount, onMounted, watch } from 'vue'
 import { PhArrowClockwise, PhCaretLeft, PhCaretRight, PhFolderOpen, PhImagesSquare, PhMusicNote } from '@phosphor-icons/vue'
 import { useClipartStore } from '@/stores/clipart'
 import { readAudioDuration, readAsDataUrl } from '@/lib/fileLoader'
-import { clearAudioDragSource, setAudioDragSource } from '@/composables/useAudioDragSource'
+import {
+  clearAudioDragSource,
+  installAudioClipDragImage,
+  setAudioDragSource,
+} from '@/composables/useAudioDragSource'
 import { useFullscreen } from '@/composables/useFullscreen'
+import { dialogState } from '@/components/ui'
 import { t } from '@/i18n'
 
 const clipart = useClipartStore()
@@ -23,12 +28,31 @@ function onDrawerLeave() {
   if (isFullscreen.value) clipart.setOpen(false)
 }
 
+// ESC closes the drawer when opened via click. Skipped in fullscreen
+// (hover-leave handles it) and while a dialog is on top.
+function onDocKeyDown(e: KeyboardEvent) {
+  if (!clipart.open || isFullscreen.value) return
+  if (e.key !== 'Escape') return
+  if (dialogState.value) return
+  e.preventDefault()
+  clipart.setOpen(false)
+}
+
+watch(
+  () => clipart.open,
+  (v) => {
+    if (v) document.addEventListener('keydown', onDocKeyDown)
+    else document.removeEventListener('keydown', onDocKeyDown)
+  },
+)
+
 onMounted(() => {
   clipart.initialize()
 })
 
 onBeforeUnmount(() => {
   clipart.disposeItems()
+  document.removeEventListener('keydown', onDocKeyDown)
 })
 
 function onItemDragStart(e: DragEvent, index: number) {
@@ -44,6 +68,7 @@ function onItemDragStart(e: DragEvent, index: number) {
     // file decodes, so seed with 0 (ghost renders at minimum width)
     // and upgrade asynchronously. dragend clears both.
     setAudioDragSource({ duration: 0, name: item.name })
+    installAudioClipDragImage(e, { name: item.name })
     const el = e.currentTarget as HTMLElement
     el.addEventListener('dragend', clearAudioDragSource, { once: true })
     void (async () => {
@@ -55,8 +80,6 @@ function onItemDragStart(e: DragEvent, index: number) {
         /* leave the placeholder width — still a visible hint */
       }
     })()
-    // No image ghost for audio — browsers render the row itself as the
-    // default drag preview, which is what we want.
     return
   }
   // Use the actual image as drag ghost
@@ -79,7 +102,11 @@ function onItemDragStart(e: DragEvent, index: number) {
 </script>
 
 <template>
-  <aside class="clipart-drawer" :class="{ open: clipart.open }" @mouseleave="onDrawerLeave">
+  <aside
+    class="clipart-drawer"
+    :class="{ open: clipart.open, fullscreen: isFullscreen }"
+    @mouseleave="onDrawerLeave"
+  >
     <button
       class="drawer-tab"
       v-tooltip="clipart.open ? t('clipart.close') : t('clipart.open')"
@@ -192,16 +219,34 @@ function onItemDragStart(e: DragEvent, index: number) {
   transition: opacity 140ms var(--ease);
 }
 
-.clipart-drawer:hover .drawer-tab :deep(svg),
-.clipart-drawer.open .drawer-tab :deep(svg) {
+.clipart-drawer:hover:not(.fullscreen) .drawer-tab :deep(svg),
+.clipart-drawer.open:not(.fullscreen) .drawer-tab :deep(svg) {
   opacity: 1;
 }
 
-.clipart-drawer:hover .drawer-tab {
+.clipart-drawer:hover:not(.fullscreen) .drawer-tab {
   background: var(--panel-alt);
   color: var(--text);
 }
 
+.clipart-drawer.fullscreen .drawer-tab {
+  cursor: default;
+  background: transparent !important;
+}
+
+/* Once the fullscreen hover opens the drawer, the tab column has
+   served its purpose (hover-detect) — reclaim its 24px so the panel
+   uses the full width. The aside itself still catches mouseleave. */
+.clipart-drawer.fullscreen.open .drawer-tab {
+  display: none;
+}
+
+/* Tab column is gone in fullscreen — reclaim its 24 px so the stage
+   area grows by the same amount instead of leaving a blank strip. */
+.clipart-drawer.fullscreen.open {
+  width: 400px;
+}
+
 .clipart-drawer.open .drawer-tab {
   flex: 0 0 24px;
   width: 24px;
diff --git a/src/components/DocumentDrawer.vue b/src/components/DocumentDrawer.vue
new file mode 100644
index 0000000..52f2553
--- /dev/null
+++ b/src/components/DocumentDrawer.vue
@@ -0,0 +1,725 @@
+<script setup lang="ts">
+import { computed, onBeforeUnmount, ref, watch } from 'vue'
+import { PhFilmReel, PhPlus, PhX } from '@phosphor-icons/vue'
+import { useSceneStore } from '@/stores/scene'
+import { confirmDialog, promptDialog, dialogState } from '@/components/ui'
+import { useDocumentDrawer } from '@/composables/useDocumentDrawer'
+import { useProjectName } from '@/composables/useProjectName'
+import {
+  parsePresetInput,
+  presetLabel,
+  useCanvasPresets,
+  type CanvasPreset,
+} from '@/composables/useCanvasPresets'
+import { t } from '@/i18n'
+
+const store = useSceneStore()
+const { open } = useDocumentDrawer()
+const { projectName, renameProject } = useProjectName()
+const { presets, addPreset, removePreset } = useCanvasPresets()
+
+const rootEl = ref<HTMLElement | null>(null)
+
+// The drawer is opened only by the topbar project-name button (no tab,
+// no hover). An outside click or ESC dismisses it. A dialog on top
+// (preset add/remove, bg-video confirms) owns ESC while it's up.
+function onDocPointerDown(e: PointerEvent) {
+  if (!open.value) return
+  const root = rootEl.value
+  if (root && root.contains(e.target as Node)) return
+  // The project-name button is itself outside the drawer root. Don't
+  // close on clicks inside it — let its own click handler toggle.
+  const target = e.target as Element | null
+  if (target && target.closest('.project-name-btn')) return
+  open.value = false
+}
+
+function onDocKeyDown(e: KeyboardEvent) {
+  if (!open.value) return
+  if (e.key !== 'Escape') return
+  if (dialogState.value) return
+  e.preventDefault()
+  open.value = false
+}
+
+watch(open, (v) => {
+  if (v) {
+    // Defer attaching the pointerdown listener by one tick so the
+    // very click that opened the drawer (e.g. the topbar button)
+    // doesn't immediately register as an outside click.
+    setTimeout(() => {
+      if (!open.value) return
+      document.addEventListener('pointerdown', onDocPointerDown, true)
+      document.addEventListener('keydown', onDocKeyDown)
+    }, 0)
+  } else {
+    document.removeEventListener('pointerdown', onDocPointerDown, true)
+    document.removeEventListener('keydown', onDocKeyDown)
+  }
+})
+
+onBeforeUnmount(() => {
+  document.removeEventListener('pointerdown', onDocPointerDown, true)
+  document.removeEventListener('keydown', onDocKeyDown)
+})
+
+// Local draft of the project name so the inline input doesn't fire
+// saveProjectToStore on every keystroke. Commit on blur / Enter; revert
+// on Escape.
+const nameDraft = ref(projectName.value ?? '')
+watch(projectName, (v) => {
+  nameDraft.value = v ?? ''
+})
+
+function commitName() {
+  const next = nameDraft.value.trim()
+  if (!next) {
+    nameDraft.value = projectName.value ?? ''
+    return
+  }
+  if (next === (projectName.value ?? '')) return
+  void renameProject(next)
+}
+
+function onNameKeyDown(e: KeyboardEvent) {
+  if (e.key === 'Enter') {
+    ;(e.currentTarget as HTMLInputElement).blur()
+  } else if (e.key === 'Escape') {
+    nameDraft.value = projectName.value ?? ''
+    ;(e.currentTarget as HTMLInputElement).blur()
+  }
+}
+
+const bgVideoError = ref<string | null>(null)
+const bgFileInput = ref<HTMLInputElement | null>(null)
+
+interface ProbedVideo {
+  src: string
+  width: number
+  height: number
+  duration: number
+  name: string
+}
+
+function probeVideo(src: string, name: string): Promise<ProbedVideo> {
+  return new Promise((resolve, reject) => {
+    const v = document.createElement('video')
+    v.preload = 'metadata'
+    v.muted = true
+    v.src = src
+    v.onloadedmetadata = () => {
+      resolve({
+        src,
+        width: v.videoWidth || 1280,
+        height: v.videoHeight || 720,
+        duration: Number.isFinite(v.duration) ? v.duration : 0,
+        name,
+      })
+    }
+    v.onerror = () => reject(new Error('Could not read video metadata.'))
+  })
+}
+
+async function applyProbedVideo(probe: ProbedVideo) {
+  const stageMatches =
+    probe.width === store.scene.canvas.width && probe.height === store.scene.canvas.height
+  if (!stageMatches) {
+    const ok = await confirmDialog({
+      title: t('settings.bgVideoStageSizeTitle'),
+      message: t('settings.bgVideoStageSizeMessage', {
+        w: probe.width,
+        h: probe.height,
+        cw: store.scene.canvas.width,
+        ch: store.scene.canvas.height,
+      }),
+      confirmLabel: t('settings.bgVideoStageSizeConfirm'),
+      cancelLabel: t('settings.bgVideoStageSizeCancel'),
+    })
+    if (ok) store.setCanvasSize(probe.width, probe.height)
+  }
+  if (probe.duration > 0 && probe.duration > store.scene.duration) {
+    const ok = await confirmDialog({
+      title: t('settings.bgVideoDurationTitle'),
+      message: t('settings.bgVideoDurationMessage', {
+        d: probe.duration.toFixed(2),
+        cd: store.scene.duration,
+      }),
+      confirmLabel: t('settings.bgVideoDurationConfirm'),
+      cancelLabel: t('settings.bgVideoDurationCancel'),
+    })
+    if (ok) store.setDuration(probe.duration)
+  }
+  store.setBackgroundVideo({ src: probe.src, muted: true })
+}
+
+function pickBgVideoFile() {
+  bgVideoError.value = null
+  bgFileInput.value?.click()
+}
+
+async function onBgFileSelected(e: Event) {
+  const input = e.target as HTMLInputElement
+  const file = input.files?.[0]
+  input.value = ''
+  if (!file) return
+  try {
+    const reader = new FileReader()
+    const dataUrl = await new Promise<string>((resolve, reject) => {
+      reader.onload = () => resolve(reader.result as string)
+      reader.onerror = () => reject(reader.error)
+      reader.readAsDataURL(file)
+    })
+    const probe = await probeVideo(dataUrl, file.name)
+    await applyProbedVideo(probe)
+  } catch (err) {
+    bgVideoError.value = err instanceof Error ? err.message : String(err)
+  }
+}
+
+async function pickBgVideoUrl() {
+  bgVideoError.value = null
+  const url = await promptDialog({
+    title: t('settings.bgVideoUrlTitle'),
+    message: t('settings.bgVideoUrlMessage'),
+    defaultValue: store.scene.backgroundVideo?.src ?? '',
+    confirmLabel: t('settings.bgVideoUrlConfirm'),
+  })
+  if (!url) return
+  try {
+    const probe = await probeVideo(url.trim(), url.trim())
+    await applyProbedVideo(probe)
+  } catch (err) {
+    bgVideoError.value = err instanceof Error ? err.message : String(err)
+  }
+}
+
+function clearBgVideo() {
+  store.setBackgroundVideo(null)
+  bgVideoError.value = null
+}
+
+// Right-click on the BG video button surfaces URL / clear without
+// cluttering the primary click target.
+async function onBgVideoContext() {
+  if (store.scene.backgroundVideo) {
+    const ok = await confirmDialog({
+      title: t('settings.bgVideoClear'),
+      message: bgVideoDisplayName(),
+      confirmLabel: t('settings.bgVideoClear'),
+    })
+    if (ok) clearBgVideo()
+    return
+  }
+  await pickBgVideoUrl()
+}
+
+function bgVideoDisplayName(): string {
+  const v = store.scene.backgroundVideo
+  if (!v) return ''
+  if (v.src.startsWith('data:')) return t('settings.bgVideoLocalFile')
+  try {
+    const u = new URL(v.src)
+    return u.pathname.split('/').filter(Boolean).pop() || u.hostname
+  } catch {
+    return v.src.length > 48 ? v.src.slice(0, 48) + '…' : v.src
+  }
+}
+
+const width = computed({
+  get: () => store.scene.canvas.width,
+  set: (v: number) => store.setCanvasSize(v, store.scene.canvas.height),
+})
+
+const height = computed({
+  get: () => store.scene.canvas.height,
+  set: (v: number) => store.setCanvasSize(store.scene.canvas.width, v),
+})
+
+const background = computed({
+  get: () => store.scene.canvas.background,
+  set: (v: string) => store.setCanvasBackground(v),
+})
+
+const duration = computed({
+  get: () => store.scene.duration,
+  set: (v: number) => store.setDuration(v),
+})
+
+const fps = computed({
+  get: () => store.scene.fps,
+  set: (v: number) => store.setFps(v),
+})
+
+function applyPreset(p: CanvasPreset) {
+  store.setCanvasSize(p.w, p.h)
+}
+
+const presetAddError = ref<string | null>(null)
+
+async function onAddPreset() {
+  presetAddError.value = null
+  while (true) {
+    const input = await promptDialog({
+      title: t('settings.presetAddTitle'),
+      message: presetAddError.value
+        ? `${t('settings.presetAddInvalid')} — ${t('settings.presetAddMessage')}`
+        : t('settings.presetAddMessage'),
+      placeholder: t('settings.presetAddPlaceholder'),
+      confirmLabel: t('settings.presetAddConfirm'),
+    })
+    if (input === null) {
+      presetAddError.value = null
+      return
+    }
+    const parsed = parsePresetInput(input)
+    if (!parsed) {
+      presetAddError.value = t('settings.presetAddInvalid')
+      continue
+    }
+    addPreset({ label: presetLabel(parsed.w, parsed.h), w: parsed.w, h: parsed.h })
+    presetAddError.value = null
+    return
+  }
+}
+
+async function onRemovePreset(p: CanvasPreset) {
+  const ok = await confirmDialog({
+    title: t('settings.presetRemoveTitle'),
+    message: t('settings.presetRemoveMessage', { label: p.label }),
+    confirmLabel: t('settings.presetRemoveConfirm'),
+    variant: 'danger',
+  })
+  if (ok) removePreset(p)
+}
+</script>
+
+<template>
+  <aside
+    ref="rootEl"
+    class="document-drawer"
+    :class="{ open }"
+  >
+    <div class="drawer-panel">
+      <header class="drawer-header">
+        <label class="name-field">
+          <span class="name-label">{{ t('documentDrawer.projectName') }}</span>
+          <input
+            class="name-input"
+            type="text"
+            :value="nameDraft"
+            :placeholder="t('app.untitledProject')"
+            @input="nameDraft = ($event.target as HTMLInputElement).value"
+            @change="commitName"
+            @blur="commitName"
+            @keydown="onNameKeyDown"
+          />
+        </label>
+      </header>
+      <div class="drawer-body">
+        <div class="settings-complex">
+          <div class="fields-row">
+            <div class="fields-group">
+              <label class="field">
+                <span>{{ t('settings.width') }}</span>
+                <input type="number" min="1" step="1" v-model.number="width" />
+              </label>
+              <label class="field">
+                <span>{{ t('settings.height') }}</span>
+                <input type="number" min="1" step="1" v-model.number="height" />
+              </label>
+              <label class="field">
+                <span>{{ t('settings.duration') }}</span>
+                <input type="number" min="0.1" step="0.1" v-model.number="duration" />
+              </label>
+              <label class="field">
+                <span>{{ t('settings.fps') }}</span>
+                <input type="number" min="1" step="1" v-model.number="fps" />
+              </label>
+            </div>
+            <div class="fields-group">
+              <label class="field color-field">
+                <span>{{ t('settings.background') }}</span>
+                <div class="color-row">
+                  <input
+                    type="color"
+                    class="color-swatch"
+                    :value="background"
+                    @input="background = ($event.target as HTMLInputElement).value"
+                  />
+                  <span class="hex">{{ background.toUpperCase() }}</span>
+                </div>
+              </label>
+              <label class="field bg-video-field">
+                <span>{{ t('settings.bgVideoLabel') }}</span>
+                <button
+                  class="bg-video-btn"
+                  v-tooltip="t('settings.bgVideoPicker')"
+                  @click="pickBgVideoFile"
+                  @contextmenu.prevent="onBgVideoContext"
+                >
+                  <PhFilmReel :size="12" />
+                  <span v-if="store.scene.backgroundVideo" class="bg-video-name">
+                    {{ bgVideoDisplayName() }}
+                  </span>
+                  <span v-else class="bg-video-empty">
+                    {{ t('settings.bgVideoButton') }}
+                  </span>
+                  <button
+                    v-if="store.scene.backgroundVideo"
+                    class="bg-video-clear"
+                    v-tooltip="t('settings.bgVideoClear')"
+                    @click.stop="clearBgVideo"
+                  >
+                    <PhX :size="10" />
+                  </button>
+                </button>
+              </label>
+            </div>
+          </div>
+
+          <div class="settings-divider"></div>
+
+          <div class="presets-row">
+            <button
+              v-for="p in presets"
+              :key="`${p.w}x${p.h}`"
+              class="preset"
+              :class="{ active: width === p.w && height === p.h }"
+              v-tooltip="t('settings.presetRemoveTitle')"
+              @click="applyPreset(p)"
+              @contextmenu.prevent="onRemovePreset(p)"
+            >
+              {{ p.label }}
+            </button>
+            <button
+              class="preset preset-add"
+              v-tooltip="t('settings.presetAddTooltip')"
+              @click="onAddPreset"
+            >
+              <PhPlus :size="10" />
+            </button>
+          </div>
+        </div>
+
+        <p v-if="bgVideoError" class="error-line">{{ bgVideoError }}</p>
+
+        <input
+          ref="bgFileInput"
+          type="file"
+          accept="video/*"
+          style="display: none"
+          @change="onBgFileSelected"
+        />
+      </div>
+    </div>
+  </aside>
+</template>
+
+<style scoped>
+/* Slides out from under the topbar. The aside is anchored to the top
+   edge of `.app` (topbar height = 48px), hidden above via translateY
+   when closed, and pops into place when opened. Hidden state keeps
+   pointer-events off so the invisible panel doesn't swallow clicks. */
+.document-drawer {
+  position: absolute;
+  top: 48px;
+  left: 0;
+  right: 0;
+  height: 196px;
+  z-index: 40;
+  background: var(--panel);
+  border-bottom: 1px solid var(--border);
+  box-shadow: var(--shadow-md, 0 6px 18px rgba(0, 0, 0, 0.25));
+  transform: translateY(calc(-100% - 48px));
+  transition: transform 220ms var(--ease);
+  pointer-events: none;
+}
+
+.document-drawer.open {
+  transform: translateY(0);
+  pointer-events: auto;
+}
+
+.drawer-panel {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.drawer-header {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 10px 16px;
+  border-bottom: 1px solid var(--border);
+}
+
+.name-field {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  width: 100%;
+  max-width: 420px;
+}
+
+.name-label {
+  font-size: 9px;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+  color: var(--text-dim);
+}
+
+.name-input {
+  width: 100%;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  color: var(--text);
+  padding: 6px 10px;
+  border-radius: var(--radius-sm);
+  font: inherit;
+  font-size: 13px;
+  font-weight: 500;
+  text-align: center;
+}
+
+.name-input:focus {
+  outline: none;
+  border-color: var(--accent);
+}
+
+.drawer-body {
+  flex: 1 1 auto;
+  min-height: 0;
+  overflow: auto;
+  padding: 16px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-start;
+  gap: 8px;
+}
+
+/* The settings complex sizes itself to whichever row is wider —
+   the fields row with its space-between, or the presets row. More
+   presets widen the complex, which in turn pushes the right-hand
+   input group (color + video) further right so it stays flush with
+   the last preset. */
+.settings-complex {
+  display: inline-flex;
+  flex-direction: column;
+  align-items: stretch;
+  gap: 10px;
+  max-width: 100%;
+}
+
+.fields-row {
+  display: flex;
+  gap: 24px;
+  align-items: flex-end;
+  justify-content: space-between;
+}
+
+.fields-group {
+  display: flex;
+  gap: 12px;
+  align-items: flex-end;
+  flex: 0 0 auto;
+}
+
+.settings-divider {
+  height: 1px;
+  background: var(--border);
+  width: 100%;
+}
+
+.field {
+  display: flex;
+  flex-direction: column;
+  gap: 3px;
+  font-size: 9px;
+  color: var(--text-dim);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  flex: 0 0 auto;
+}
+
+.field > span {
+  padding-left: 2px;
+}
+
+.field input[type='number'] {
+  width: 78px;
+  height: 26px;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  color: var(--text);
+  padding: 0 8px;
+  border-radius: var(--radius-sm);
+  font: inherit;
+  font-size: 12px;
+  line-height: 24px;
+  text-transform: none;
+  letter-spacing: 0;
+  box-sizing: border-box;
+}
+
+.color-row {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  height: 26px;
+  padding: 0 6px;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: var(--radius-sm);
+  box-sizing: border-box;
+}
+
+.color-swatch {
+  width: 22px;
+  height: 18px;
+  padding: 0;
+  border: 1px solid var(--border);
+  border-radius: 3px;
+  background: transparent;
+  cursor: pointer;
+  flex-shrink: 0;
+  box-sizing: border-box;
+}
+
+.color-swatch::-webkit-color-swatch-wrapper {
+  padding: 0;
+}
+.color-swatch::-webkit-color-swatch {
+  border: none;
+  border-radius: 3px;
+}
+.color-swatch::-moz-color-swatch {
+  border: none;
+  border-radius: 3px;
+}
+
+.hex {
+  font-size: 11px;
+  font-variant-numeric: tabular-nums;
+  color: var(--text-dim-strong);
+  text-transform: none;
+  letter-spacing: 0;
+}
+
+.bg-video-field {
+  min-width: 180px;
+}
+
+.bg-video-btn {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  height: 26px;
+  padding: 0 8px;
+  box-sizing: border-box;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  color: var(--text);
+  border-radius: var(--radius-sm);
+  font-size: 11px;
+  font: inherit;
+  text-transform: none;
+  letter-spacing: 0;
+  cursor: pointer;
+  min-width: 180px;
+  max-width: 240px;
+}
+
+.bg-video-btn:hover {
+  border-color: var(--border-strong, var(--accent));
+}
+
+.bg-video-name {
+  font-variant-numeric: tabular-nums;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  flex: 1 1 auto;
+  min-width: 0;
+  text-align: left;
+}
+
+.bg-video-empty {
+  color: var(--text-dim);
+  font-style: italic;
+  flex: 1 1 auto;
+  text-align: left;
+}
+
+.bg-video-clear {
+  padding: 2px;
+  background: transparent;
+  border: none;
+  color: var(--text-dim);
+  cursor: pointer;
+  border-radius: 3px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.bg-video-clear:hover {
+  color: var(--danger);
+  background: var(--panel-alt);
+}
+
+.presets-row {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  align-items: center;
+  justify-content: flex-start;
+  max-width: 100%;
+}
+
+.preset {
+  padding: 3px 10px;
+  background: var(--panel-alt);
+  border: 1px solid var(--border);
+  color: var(--text-dim);
+  border-radius: 999px;
+  cursor: pointer;
+  white-space: nowrap;
+  font: inherit;
+  font-size: 10px;
+}
+
+.preset:hover:not(:disabled) {
+  background: var(--panel-hover);
+  color: var(--text);
+}
+
+.preset.active {
+  background: var(--accent-soft);
+  border-color: var(--accent);
+  color: var(--accent);
+}
+
+.preset-add {
+  padding: 3px 8px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  color: var(--text-dim);
+}
+
+.preset-add:hover {
+  color: var(--text);
+}
+
+.error-line {
+  margin: 0;
+  color: var(--danger);
+  font-size: 11px;
+  text-align: center;
+}
+</style>
diff --git a/src/components/DocumentSettings.vue b/src/components/DocumentSettings.vue
index fa629a7..9377978 100644
--- a/src/components/DocumentSettings.vue
+++ b/src/components/DocumentSettings.vue
@@ -1,29 +1,24 @@
 <script setup lang="ts">
 import { computed, ref, watch } from 'vue'
 import {
-  PhFilmReel,
   PhFolder,
-  PhFrameCorners,
   PhMoon,
   PhSlidersHorizontal,
   PhSun,
-  PhX,
 } from '@phosphor-icons/vue'
-import { useSceneStore } from '@/stores/scene'
 import { useClipartStore } from '@/stores/clipart'
 import { useTheme } from '@/composables/useTheme'
 import type { Theme } from '@/composables/useTheme'
 import { useTooltipPref } from '@/composables/useTooltipPref'
 import { useAssetThumbsPref } from '@/composables/useAssetThumbsPref'
 import { showLocked } from '@/composables/useShowLocked'
-import { Modal, confirmDialog, promptDialog } from '@/components/ui'
+import { Modal } from '@/components/ui'
 import { setLocale, t, useI18n } from '@/i18n'
 import type { Locale } from '@/i18n'
 
 const props = defineProps<{ modelValue: boolean }>()
 const emit = defineEmits<{ 'update:modelValue': [value: boolean] }>()
 
-const store = useSceneStore()
 const clipart = useClipartStore()
 const { theme, setTheme } = useTheme()
 const { enabled: tooltipsEnabled } = useTooltipPref()
@@ -40,178 +35,20 @@ watch(
   },
 )
 
-type TabId = 'document' | 'clipart' | 'interface'
+type TabId = 'clipart' | 'interface'
 
-const tabs: { id: TabId; labelKey: string; icon: typeof PhFrameCorners }[] = [
-  { id: 'document', labelKey: 'settings.tab.document', icon: PhFrameCorners },
+const tabs: { id: TabId; labelKey: string; icon: typeof PhFolder }[] = [
   { id: 'clipart', labelKey: 'settings.tab.clipart', icon: PhFolder },
   { id: 'interface', labelKey: 'settings.tab.interface', icon: PhSlidersHorizontal },
 ]
 
-const activeTab = ref<TabId>('document')
-
-const bgVideoError = ref<string | null>(null)
-const bgFileInput = ref<HTMLInputElement | null>(null)
-
-interface ProbedVideo {
-  src: string
-  width: number
-  height: number
-  duration: number
-  name: string
-}
-
-function probeVideo(src: string, name: string): Promise<ProbedVideo> {
-  return new Promise((resolve, reject) => {
-    const v = document.createElement('video')
-    v.preload = 'metadata'
-    v.muted = true
-    v.src = src
-    v.onloadedmetadata = () => {
-      resolve({
-        src,
-        width: v.videoWidth || 1280,
-        height: v.videoHeight || 720,
-        duration: Number.isFinite(v.duration) ? v.duration : 0,
-        name,
-      })
-    }
-    v.onerror = () => reject(new Error('Could not read video metadata.'))
-  })
-}
-
-async function applyProbedVideo(probe: ProbedVideo) {
-  const stageMatches =
-    probe.width === store.scene.canvas.width && probe.height === store.scene.canvas.height
-  if (!stageMatches) {
-    const ok = await confirmDialog({
-      title: t('settings.bgVideoStageSizeTitle'),
-      message: t('settings.bgVideoStageSizeMessage', {
-        w: probe.width,
-        h: probe.height,
-        cw: store.scene.canvas.width,
-        ch: store.scene.canvas.height,
-      }),
-      confirmLabel: t('settings.bgVideoStageSizeConfirm'),
-      cancelLabel: t('settings.bgVideoStageSizeCancel'),
-    })
-    if (ok) store.setCanvasSize(probe.width, probe.height)
-  }
-  if (probe.duration > 0 && probe.duration > store.scene.duration) {
-    const ok = await confirmDialog({
-      title: t('settings.bgVideoDurationTitle'),
-      message: t('settings.bgVideoDurationMessage', {
-        d: probe.duration.toFixed(2),
-        cd: store.scene.duration,
-      }),
-      confirmLabel: t('settings.bgVideoDurationConfirm'),
-      cancelLabel: t('settings.bgVideoDurationCancel'),
-    })
-    if (ok) store.setDuration(probe.duration)
-  }
-  store.setBackgroundVideo({ src: probe.src, muted: true })
-}
-
-async function pickBgVideoFile() {
-  bgVideoError.value = null
-  bgFileInput.value?.click()
-}
-
-async function onBgFileSelected(e: Event) {
-  const input = e.target as HTMLInputElement
-  const file = input.files?.[0]
-  input.value = ''
-  if (!file) return
-  try {
-    const reader = new FileReader()
-    const dataUrl = await new Promise<string>((resolve, reject) => {
-      reader.onload = () => resolve(reader.result as string)
-      reader.onerror = () => reject(reader.error)
-      reader.readAsDataURL(file)
-    })
-    const probe = await probeVideo(dataUrl, file.name)
-    await applyProbedVideo(probe)
-  } catch (err) {
-    bgVideoError.value = err instanceof Error ? err.message : String(err)
-  }
-}
-
-async function pickBgVideoUrl() {
-  bgVideoError.value = null
-  const url = await promptDialog({
-    title: t('settings.bgVideoUrlTitle'),
-    message: t('settings.bgVideoUrlMessage'),
-    defaultValue: store.scene.backgroundVideo?.src ?? '',
-    confirmLabel: t('settings.bgVideoUrlConfirm'),
-  })
-  if (!url) return
-  try {
-    const probe = await probeVideo(url.trim(), url.trim())
-    await applyProbedVideo(probe)
-  } catch (err) {
-    bgVideoError.value = err instanceof Error ? err.message : String(err)
-  }
-}
-
-function clearBgVideo() {
-  store.setBackgroundVideo(null)
-  bgVideoError.value = null
-}
-
-function bgVideoDisplayName(): string {
-  const v = store.scene.backgroundVideo
-  if (!v) return ''
-  if (v.src.startsWith('data:')) return t('settings.bgVideoLocalFile')
-  try {
-    const u = new URL(v.src)
-    return u.pathname.split('/').filter(Boolean).pop() || u.hostname
-  } catch {
-    return v.src.length > 48 ? v.src.slice(0, 48) + '…' : v.src
-  }
-}
-
-const width = computed({
-  get: () => store.scene.canvas.width,
-  set: (v: number) => store.setCanvasSize(v, store.scene.canvas.height),
-})
-
-const height = computed({
-  get: () => store.scene.canvas.height,
-  set: (v: number) => store.setCanvasSize(store.scene.canvas.width, v),
-})
-
-const background = computed({
-  get: () => store.scene.canvas.background,
-  set: (v: string) => store.setCanvasBackground(v),
-})
-
-const duration = computed({
-  get: () => store.scene.duration,
-  set: (v: number) => store.setDuration(v),
-})
-
-const fps = computed({
-  get: () => store.scene.fps,
-  set: (v: number) => store.setFps(v),
-})
+const activeTab = ref<TabId>('clipart')
 
 const selectedLocale = computed({
   get: () => locale.value,
   set: (value: Locale) => setLocale(value),
 })
 
-const presets: { label: string; w: number; h: number }[] = [
-  { label: '16:9 · 1280×720', w: 1280, h: 720 },
-  { label: '16:9 · 1920×1080', w: 1920, h: 1080 },
-  { label: '1:1 · 1080×1080', w: 1080, h: 1080 },
-  { label: '9:16 · 1080×1920', w: 1080, h: 1920 },
-  { label: '4:5 · 1080×1350', w: 1080, h: 1350 },
-]
-
-function applyPreset(p: { w: number; h: number }) {
-  store.setCanvasSize(p.w, p.h)
-}
-
 function close() {
   emit('update:modelValue', false)
 }
@@ -252,94 +89,7 @@ function applyTheme(t: Theme) {
             </nav>
 
             <div class="content">
-              <section v-if="activeTab === 'document'">
-                <h3>{{ t('settings.canvas') }}</h3>
-                <div class="row">
-                  <label>
-                    {{ t('settings.width') }}
-                    <input type="number" min="1" step="1" v-model.number="width" />
-                  </label>
-                  <label>
-                    {{ t('settings.height') }}
-                    <input type="number" min="1" step="1" v-model.number="height" />
-                  </label>
-                </div>
-                <div class="presets">
-                  <button
-                    v-for="p in presets"
-                    :key="p.label"
-                    class="preset"
-                    :class="{ active: width === p.w && height === p.h }"
-                    @click="applyPreset(p)"
-                  >
-                    {{ p.label }}
-                  </button>
-                </div>
-                <label class="stacked">
-                  {{ t('settings.background') }}
-                  <div class="color-row">
-                    <input
-                      type="color"
-                      class="color-swatch"
-                      :value="background"
-                      @input="background = ($event.target as HTMLInputElement).value"
-                    />
-                    <span class="hex">{{ background.toUpperCase() }}</span>
-                  </div>
-                </label>
-
-                <div class="clipart-row">
-                  <div class="clipart-label">{{ t('settings.bgVideoLabel') }}</div>
-                  <div class="clipart-value">
-                    <PhFilmReel :size="13" />
-                    <span v-if="store.scene.backgroundVideo" class="clipart-folder-name">
-                      {{ bgVideoDisplayName() }}
-                    </span>
-                    <span v-else class="clipart-folder-empty">{{ t('settings.bgVideoNone') }}</span>
-                    <button
-                      v-if="store.scene.backgroundVideo"
-                      class="ghost-btn inline-clear"
-                      v-tooltip="t('settings.bgVideoClear')"
-                      @click="clearBgVideo"
-                    >
-                      <PhX :size="12" />
-                    </button>
-                  </div>
-                </div>
-                <div class="clipart-actions">
-                  <button class="primary-btn" @click="pickBgVideoFile">
-                    {{ t('settings.bgVideoPickFile') }}
-                  </button>
-                  <button class="ghost-btn" @click="pickBgVideoUrl">
-                    {{ t('settings.bgVideoPickUrl') }}
-                  </button>
-                </div>
-                <input
-                  ref="bgFileInput"
-                  type="file"
-                  accept="video/*"
-                  style="display: none"
-                  @change="onBgFileSelected"
-                />
-                <p v-if="bgVideoError" class="error-line">{{ bgVideoError }}</p>
-                <p class="hint">{{ t('settings.bgVideoHint') }}</p>
-
-                <h3 class="sub-heading">{{ t('settings.timing') }}</h3>
-                <div class="row">
-                  <label>
-                    {{ t('settings.duration') }}
-                    <input type="number" min="0.1" step="0.1" v-model.number="duration" />
-                  </label>
-                  <label>
-                    {{ t('settings.fps') }}
-                    <input type="number" min="1" step="1" v-model.number="fps" />
-                  </label>
-                </div>
-                <p class="hint">{{ t('settings.timelineHint') }}</p>
-              </section>
-
-
-              <section v-else-if="activeTab === 'clipart'">
+              <section v-if="activeTab === 'clipart'">
                 <h3>{{ t('settings.tab.clipart') }}</h3>
                 <div class="clipart-row">
                   <div class="clipart-label">{{ t('clipart.folderLabel') }}</div>
diff --git a/src/components/SceneDrawer.vue b/src/components/SceneDrawer.vue
index 7d89258..52dc3e7 100644
--- a/src/components/SceneDrawer.vue
+++ b/src/components/SceneDrawer.vue
@@ -1,8 +1,8 @@
 <script setup lang="ts">
-import { nextTick, ref, watch } from 'vue'
+import { nextTick, onBeforeUnmount, ref, watch } from 'vue'
 import { PhCaretLeft, PhCaretRight, PhCopy, PhFilmSlate, PhPlus, PhTrash } from '@phosphor-icons/vue'
 import { useSceneStore } from '@/stores/scene'
-import { confirmDialog, promptDialog } from '@/components/ui'
+import { confirmDialog, dialogState, promptDialog } from '@/components/ui'
 import { t } from '@/i18n'
 import { useFullscreen } from '@/composables/useFullscreen'
 
@@ -21,6 +21,32 @@ function onDrawerLeave() {
   if (isFullscreen.value) open.value = false
 }
 
+// ESC closes the drawer when opened via click. Skipped in fullscreen
+// (hover-leave already handles it) and while a dialog is on top — the
+// dialog owns ESC in that case. If the row context menu is open, ESC
+// dismisses that first and the drawer only on the next press.
+function onDocKeyDown(e: KeyboardEvent) {
+  if (!open.value || isFullscreen.value) return
+  if (e.key !== 'Escape') return
+  if (dialogState.value) return
+  if (menu.value) {
+    e.preventDefault()
+    menu.value = null
+    return
+  }
+  e.preventDefault()
+  open.value = false
+}
+
+watch(open, (v) => {
+  if (v) document.addEventListener('keydown', onDocKeyDown)
+  else document.removeEventListener('keydown', onDocKeyDown)
+})
+
+onBeforeUnmount(() => {
+  document.removeEventListener('keydown', onDocKeyDown)
+})
+
 interface MenuState {
   pageId: string
   x: number
@@ -100,7 +126,11 @@ watch(menu, (m) => {
 </script>
 
 <template>
-  <aside class="scene-drawer" :class="{ open }" @mouseleave="onDrawerLeave">
+  <aside
+    class="scene-drawer"
+    :class="{ open, fullscreen: isFullscreen }"
+    @mouseleave="onDrawerLeave"
+  >
     <button
       class="drawer-tab"
       v-tooltip="open ? t('scenes.close') : t('scenes.open')"
@@ -210,16 +240,34 @@ watch(menu, (m) => {
   transition: opacity 140ms var(--ease);
 }
 
-.scene-drawer:hover .drawer-tab :deep(svg),
-.scene-drawer.open .drawer-tab :deep(svg) {
+.scene-drawer:hover:not(.fullscreen) .drawer-tab :deep(svg),
+.scene-drawer.open:not(.fullscreen) .drawer-tab :deep(svg) {
   opacity: 1;
 }
 
-.scene-drawer:hover .drawer-tab {
+.scene-drawer:hover:not(.fullscreen) .drawer-tab {
   background: var(--panel-alt);
   color: var(--text);
 }
 
+.scene-drawer.fullscreen .drawer-tab {
+  cursor: default;
+  background: transparent !important;
+}
+
+/* Once the fullscreen hover opens the drawer, the tab column has
+   served its purpose (hover-detect) — reclaim its 24px so the panel
+   uses the full width. The aside itself still catches mouseleave. */
+.scene-drawer.fullscreen.open .drawer-tab {
+  display: none;
+}
+
+/* Tab column is gone in fullscreen — reclaim its 24 px so the stage
+   area grows by the same amount instead of leaving a blank strip. */
+.scene-drawer.fullscreen.open {
+  width: 300px;
+}
+
 .scene-drawer.open .drawer-tab {
   flex: 0 0 24px;
   width: 24px;
diff --git a/src/components/Timeline.vue b/src/components/Timeline.vue
index db949bb..a2c6ce4 100644
--- a/src/components/Timeline.vue
+++ b/src/components/Timeline.vue
@@ -33,6 +33,7 @@ import { useSceneStore } from '@/stores/scene'
 import { useClipartStore } from '@/stores/clipart'
 import { importAudioFile } from '@/lib/fileLoader'
 import { audioDragSource, clearAudioDragSource } from '@/composables/useAudioDragSource'
+import { clearClipDragSource, clipDragSource } from '@/composables/useClipDragSource'
 import { drawWaveform, getWaveformSlot, slicePeaksForClip } from '@/composables/useAudioWaveform'
 import { sampleLayer } from '@/lib/interpolate'
 import { snapToCandidates } from '@/lib/timelineSnap'
@@ -1663,21 +1664,83 @@ function pixelTimeFromEvent(e: DragEvent | PointerEvent, el: HTMLElement): numbe
   return ratio * duration.value
 }
 
-function onClipLaneDragOver(e: DragEvent, _clipTrackId: string) {
-  if (e.dataTransfer?.types.includes('application/x-animatr-clip')) {
-    e.preventDefault()
-    if (e.dataTransfer) e.dataTransfer.dropEffect = 'copy'
+interface ClipInstanceGhost {
+  targetTrackId: string
+  startTime: number
+  length: number
+}
+
+/** Hover-preview for dropping a library clip onto a clip lane. Mirrors
+ *  `audioClipGhost`. Cleared whenever the cursor leaves the lane or
+ *  the drop lands. */
+const clipInstanceGhost = ref<ClipInstanceGhost | null>(null)
+
+/** Full-window collision: does [start, start+length] overlap any
+ *  existing clip instance on this track? Stricter than a point-in-clip
+ *  check — catches the case where the drop point is free but the
+ *  dropped tail would land on top of a neighbour. Mirrors
+ *  `audioWindowCollides`. */
+function clipWindowCollides(
+  trackId: string,
+  start: number,
+  length: number,
+): boolean {
+  const end = start + length
+  const siblings = clipInstancesByTrack.value[trackId] ?? []
+  for (const ci of siblings) {
+    const cEnd = ci.startTime + visibleDurationOf(ci)
+    if (cEnd > start && ci.startTime < end) return true
   }
+  return false
+}
+
+function onClipLaneDragOver(e: DragEvent, clipTrackId: string) {
+  const types = e.dataTransfer?.types
+  if (!types?.includes('application/x-animatr-clip')) return
+  e.preventDefault()
+  if (!e.dataTransfer) return
+  const el = e.currentTarget as HTMLElement
+  const time = pixelTimeFromEvent(e, el)
+  const track = store.scene.clipTracks?.find((t) => t.id === clipTrackId)
+  const src = clipDragSource.value
+  const length = Math.max(0, src?.duration ?? 0)
+  const collides =
+    track?.locked || clipWindowCollides(clipTrackId, time, length)
+  e.dataTransfer.dropEffect = collides ? 'none' : 'copy'
+  if (!collides && src) {
+    clipInstanceGhost.value = {
+      targetTrackId: clipTrackId,
+      startTime: time,
+      length,
+    }
+  } else {
+    clipInstanceGhost.value = null
+  }
+}
+
+function onClipLaneDragLeave() {
+  clipInstanceGhost.value = null
 }
 
 function onClipLaneDrop(e: DragEvent, clipTrackId: string) {
   e.preventDefault()
+  clipInstanceGhost.value = null
   const track = store.scene.clipTracks?.find((t) => t.id === clipTrackId)
-  if (track?.locked) return
+  if (track?.locked) {
+    clearClipDragSource()
+    return
+  }
   const el = e.currentTarget as HTMLElement
   const time = pixelTimeFromEvent(e, el)
   const clipId = e.dataTransfer?.getData('application/x-animatr-clip')
-  if (clipId) store.addClipInstance(clipId, time, clipTrackId)
+  // The library payload is authoritative for the window check — the
+  // composable source may have been cleared by a racing dragend.
+  const clip = clipId ? store.project.clips.find((c) => c.id === clipId) : null
+  const length = clip ? Math.max(0, clip.duration) : 0
+  clearClipDragSource()
+  if (!clipId) return
+  if (clipWindowCollides(clipTrackId, time, length)) return
+  store.addClipInstance(clipId, time, clipTrackId)
 }
 
 interface ClipMoveState {
@@ -1720,7 +1783,7 @@ function onClipBlockPointerMove(e: PointerEvent) {
   if (pps <= 0) return
   const deltaSec = deltaPx / pps
   const newStart = Math.max(0, m.initialStartTime + deltaSec)
-  store.moveClipInstance(m.instanceId, newStart)
+  store.setClipInstancePosition(m.instanceId, newStart)
 }
 
 function onClipBlockPointerUp(e: PointerEvent) {
@@ -1988,19 +2051,33 @@ async function onAudioLaneDrop(e: DragEvent, audioTrackId: string) {
   }
 }
 
-async function onAudioClipContextMenu(e: MouseEvent, clip: AudioClip) {
+interface AudioClipMenuState {
+  clipId: string
+  x: number
+  y: number
+}
+
+const audioClipMenu = ref<AudioClipMenuState | null>(null)
+const audioClipMenuRef = ref<HTMLDivElement | null>(null)
+
+function onAudioClipContextMenu(e: MouseEvent, clip: AudioClip) {
   e.preventDefault()
   e.stopPropagation()
-  // v1: a single "remove" action. The right-click context menu grows
-  // later once trim handles and per-clip properties land.
-  const ok = await confirmDialog({
-    title: t('timeline.removeAudioClipDialog.title'),
-    message: t('timeline.removeAudioClipDialog.message'),
-    confirmLabel: t('timeline.removeAudioClipDialog.confirm'),
-    variant: 'danger',
-  })
-  if (!ok) return
-  store.removeAudioClip(clip.id)
+  audioClipMenu.value = { clipId: clip.id, x: e.clientX, y: e.clientY }
+}
+
+function duplicateAudioClipFromMenu() {
+  const m = audioClipMenu.value
+  if (!m) return
+  store.duplicateAudioClip(m.clipId)
+  audioClipMenu.value = null
+}
+
+function deleteAudioClipFromMenu() {
+  const m = audioClipMenu.value
+  if (!m) return
+  store.removeAudioClip(m.clipId)
+  audioClipMenu.value = null
 }
 
 interface AudioClipMoveState {
@@ -2381,22 +2458,33 @@ function onClipBlockDblClick(ci: ClipInstance) {
   store.enterClip(ci.clipId)
 }
 
-async function onClipBlockContextMenu(e: MouseEvent, ci: ClipInstance) {
+interface ClipInstanceMenuState {
+  instanceId: string
+  x: number
+  y: number
+}
+
+const clipInstanceMenu = ref<ClipInstanceMenuState | null>(null)
+const clipInstanceMenuRef = ref<HTMLDivElement | null>(null)
+
+function onClipBlockContextMenu(e: MouseEvent, ci: ClipInstance) {
   e.preventDefault()
-  const clip = clipById.value.get(ci.clipId)
-  const ok = await confirmDialog({
-    title: t('timeline.removeInstanceDialog.title'),
-    message: clip
-      ? t('timeline.removeInstanceDialog.message', {
-          name: clip.name,
-          time: ci.startTime.toFixed(2),
-        })
-      : t('timeline.removeInstanceDialog.generic'),
-    confirmLabel: t('timeline.removeInstanceDialog.confirm'),
-    variant: 'danger',
-  })
-  if (!ok) return
-  store.removeClipInstance(ci.id)
+  e.stopPropagation()
+  clipInstanceMenu.value = { instanceId: ci.id, x: e.clientX, y: e.clientY }
+}
+
+function duplicateClipInstanceFromMenu() {
+  const m = clipInstanceMenu.value
+  if (!m) return
+  store.duplicateClipInstance(m.instanceId)
+  clipInstanceMenu.value = null
+}
+
+function deleteClipInstanceFromMenu() {
+  const m = clipInstanceMenu.value
+  if (!m) return
+  store.removeClipInstance(m.instanceId)
+  clipInstanceMenu.value = null
 }
 
 const trackMenu = ref<TrackMenuState | null>(null)
@@ -2622,6 +2710,16 @@ function onDocumentPointerDown(e: PointerEvent) {
   } else if (scriptFrameMenu.value) {
     scriptFrameMenu.value = null
   }
+  if (clipInstanceMenu.value && clipInstanceMenuRef.value && e.target instanceof Node) {
+    if (!clipInstanceMenuRef.value.contains(e.target)) clipInstanceMenu.value = null
+  } else if (clipInstanceMenu.value) {
+    clipInstanceMenu.value = null
+  }
+  if (audioClipMenu.value && audioClipMenuRef.value && e.target instanceof Node) {
+    if (!audioClipMenuRef.value.contains(e.target)) audioClipMenu.value = null
+  } else if (audioClipMenu.value) {
+    audioClipMenu.value = null
+  }
 }
 
 function onKeyDown(e: KeyboardEvent) {
@@ -2629,6 +2727,8 @@ function onKeyDown(e: KeyboardEvent) {
     menu.value = null
     trackMenu.value = null
     scriptFrameMenu.value = null
+    clipInstanceMenu.value = null
+    audioClipMenu.value = null
   }
 }
 
@@ -2694,15 +2794,18 @@ function onDocumentKeyDown(e: KeyboardEvent) {
   }
 }
 
-watch([menu, trackMenu, scriptFrameMenu], ([m, tm, sm]) => {
-  if (m || tm || sm) {
-    document.addEventListener('pointerdown', onDocumentPointerDown, true)
-    document.addEventListener('keydown', onKeyDown)
-  } else {
-    document.removeEventListener('pointerdown', onDocumentPointerDown, true)
-    document.removeEventListener('keydown', onKeyDown)
-  }
-})
+watch(
+  [menu, trackMenu, scriptFrameMenu, clipInstanceMenu, audioClipMenu],
+  ([m, tm, sm, cim, acm]) => {
+    if (m || tm || sm || cim || acm) {
+      document.addEventListener('pointerdown', onDocumentPointerDown, true)
+      document.addEventListener('keydown', onKeyDown)
+    } else {
+      document.removeEventListener('pointerdown', onDocumentPointerDown, true)
+      document.removeEventListener('keydown', onKeyDown)
+    }
+  },
+)
 
 async function clampMenuIntoViewport(
   getEl: () => HTMLElement | null,
@@ -2739,6 +2842,16 @@ watch(scriptFrameMenu, (sm) => {
   clampMenuIntoViewport(() => scriptFrameMenuRef.value, sm.x, sm.y)
 })
 
+watch(clipInstanceMenu, (cim) => {
+  if (!cim) return
+  clampMenuIntoViewport(() => clipInstanceMenuRef.value, cim.x, cim.y)
+})
+
+watch(audioClipMenu, (acm) => {
+  if (!acm) return
+  clampMenuIntoViewport(() => audioClipMenuRef.value, acm.x, acm.y)
+})
+
 function onWheel(e: WheelEvent) {
   if (!scrollEl.value) return
   if (e.ctrlKey || e.metaKey) {
@@ -3249,9 +3362,18 @@ onBeforeUnmount(() => {
                 class="track-lane clip-lane"
                 :style="{ width: laneWidth + 'px' }"
                 @dragover.stop="onClipLaneDragOver($event, track.clipTrackId)"
+                @dragleave.stop="onClipLaneDragLeave"
                 @drop.stop="onClipLaneDrop($event, track.clipTrackId)"
               >
                 <span class="playhead" :style="{ left: pxFromTime(store.playhead) + 'px' }" />
+                <span
+                  v-if="clipInstanceGhost && clipInstanceGhost.targetTrackId === track.clipTrackId"
+                  class="clip-instance-ghost"
+                  :style="{
+                    left: pxFromTime(clipInstanceGhost.startTime) + 'px',
+                    width: Math.max(6, pxFromTime(clipInstanceGhost.length)) + 'px',
+                  }"
+                ></span>
                 <span
                   v-for="ci in clipInstancesByTrack[track.clipTrackId] ?? []"
                   :key="ci.id"
@@ -3799,6 +3921,40 @@ onBeforeUnmount(() => {
       </button>
     </div>
 
+    <div
+      v-if="clipInstanceMenu"
+      ref="clipInstanceMenuRef"
+      class="kf-menu"
+      :style="{ left: clipInstanceMenu.x + 'px', top: clipInstanceMenu.y + 'px' }"
+    >
+      <button class="kf-menu-item" @click="duplicateClipInstanceFromMenu">
+        <PhCopy :size="12" class="kf-menu-icon" />
+        {{ t('timeline.duplicate') }}
+      </button>
+      <div class="kf-menu-divider"></div>
+      <button class="kf-menu-item danger" @click="deleteClipInstanceFromMenu">
+        <PhTrash :size="12" class="kf-menu-icon" />
+        {{ t('timeline.delete') }}
+      </button>
+    </div>
+
+    <div
+      v-if="audioClipMenu"
+      ref="audioClipMenuRef"
+      class="kf-menu"
+      :style="{ left: audioClipMenu.x + 'px', top: audioClipMenu.y + 'px' }"
+    >
+      <button class="kf-menu-item" @click="duplicateAudioClipFromMenu">
+        <PhCopy :size="12" class="kf-menu-icon" />
+        {{ t('timeline.duplicate') }}
+      </button>
+      <div class="kf-menu-divider"></div>
+      <button class="kf-menu-item danger" @click="deleteAudioClipFromMenu">
+        <PhTrash :size="12" class="kf-menu-icon" />
+        {{ t('timeline.delete') }}
+      </button>
+    </div>
+
     <ScriptFrameDialog
       v-model="scriptDialogOpen"
       :frame-id="scriptDialogFrameId"
@@ -5041,7 +5197,8 @@ onBeforeUnmount(() => {
   cursor: default;
 }
 
-.audio-clip-ghost {
+.audio-clip-ghost,
+.clip-instance-ghost {
   position: absolute;
   top: 4px;
   bottom: 4px;
diff --git a/src/components/ui/index.ts b/src/components/ui/index.ts
index 23b857e..3df4f2a 100644
--- a/src/components/ui/index.ts
+++ b/src/components/ui/index.ts
@@ -2,5 +2,5 @@ export { default as DialogsHost } from './DialogsHost.vue'
 export { default as IconButton } from './IconButton.vue'
 export { default as Modal } from './Modal.vue'
 export { default as Toast } from './Toast.vue'
-export { confirmDialog, promptDialog } from './dialogs'
+export { confirmDialog, dialogState, promptDialog } from './dialogs'
 export type { ConfirmOptions, PromptOptions } from './dialogs'
diff --git a/src/composables/useAudioDragSource.ts b/src/composables/useAudioDragSource.ts
index b135b65..ca05784 100644
--- a/src/composables/useAudioDragSource.ts
+++ b/src/composables/useAudioDragSource.ts
@@ -26,3 +26,55 @@ export function setAudioDragSource(src: AudioDragSource): void {
 export function clearAudioDragSource(): void {
   audioDragSource.value = null
 }
+
+/**
+ * Build a styled DOM node that mimics Timeline's `.audio-clip-block`
+ * look (rounded pill, cyan gradient, music-note + label) and install
+ * it as the drag image. The element is appended offscreen, handed to
+ * `setDragImage`, and removed on the next tick — the browser snapshots
+ * it during that frame.
+ */
+export function installAudioClipDragImage(
+  e: DragEvent,
+  opts: { name: string },
+): void {
+  if (!e.dataTransfer) return
+  const ghost = document.createElement('div')
+  ghost.style.cssText = [
+    'position: fixed',
+    'top: -10000px',
+    'left: -10000px',
+    'display: inline-flex',
+    'align-items: center',
+    'gap: 6px',
+    'height: 26px',
+    'padding: 0 10px',
+    'background: linear-gradient(to bottom, rgba(14,165,233,0.45), rgba(14,165,233,0.20))',
+    'border: 1px solid rgba(14,165,233,0.75)',
+    'border-radius: 4px',
+    'color: #e6edf3',
+    'font: 500 11px/1.4 system-ui, sans-serif',
+    'white-space: nowrap',
+    'box-shadow: 0 2px 6px rgba(0,0,0,0.35)',
+    'pointer-events: none',
+  ].join('; ')
+
+  // Inline SVG music note so the ghost is self-contained — no icon
+  // font dependency during the one-frame snapshot.
+  ghost.innerHTML =
+    '<svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor" style="flex-shrink:0;opacity:0.9;">' +
+    '<path d="M13 2v8.05A2.5 2.5 0 1 0 14 12V4.2l-6 1.2V11.05A2.5 2.5 0 1 0 9 13V3l4-1z"/>' +
+    '</svg>'
+  const label = document.createElement('span')
+  label.textContent = opts.name
+  label.style.cssText = 'overflow:hidden;text-overflow:ellipsis;max-width:200px;'
+  ghost.appendChild(label)
+
+  document.body.appendChild(ghost)
+  try {
+    e.dataTransfer.setDragImage(ghost, 12, 13)
+  } catch {
+    /* ignore */
+  }
+  setTimeout(() => ghost.remove(), 0)
+}
diff --git a/src/composables/useCanvasPresets.ts b/src/composables/useCanvasPresets.ts
new file mode 100644
index 0000000..87b1af3
--- /dev/null
+++ b/src/composables/useCanvasPresets.ts
@@ -0,0 +1,97 @@
+import { ref, watch } from 'vue'
+
+export interface CanvasPreset {
+  label: string
+  w: number
+  h: number
+}
+
+const STORAGE_KEY = 'ruwio:canvasPresets'
+
+const DEFAULT_PRESETS: CanvasPreset[] = [
+  { label: '16:9 · 1280×720', w: 1280, h: 720 },
+  { label: '16:9 · 1920×1080', w: 1920, h: 1080 },
+  { label: '1:1 · 1080×1080', w: 1080, h: 1080 },
+  { label: '9:16 · 1080×1920', w: 1080, h: 1920 },
+  { label: '4:5 · 1080×1350', w: 1080, h: 1350 },
+]
+
+function isPreset(p: unknown): p is CanvasPreset {
+  if (typeof p !== 'object' || p === null) return false
+  const r = p as Record<string, unknown>
+  return (
+    typeof r.label === 'string' &&
+    typeof r.w === 'number' &&
+    typeof r.h === 'number' &&
+    r.w > 0 &&
+    r.h > 0
+  )
+}
+
+function readInitial(): CanvasPreset[] {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY)
+    if (!raw) return [...DEFAULT_PRESETS]
+    const parsed = JSON.parse(raw) as unknown
+    if (!Array.isArray(parsed)) return [...DEFAULT_PRESETS]
+    const valid = parsed.filter(isPreset)
+    return valid.length > 0 ? valid : [...DEFAULT_PRESETS]
+  } catch {
+    return [...DEFAULT_PRESETS]
+  }
+}
+
+const presets = ref<CanvasPreset[]>(readInitial())
+
+watch(
+  presets,
+  (v) => {
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(v))
+    } catch {
+      /* storage disabled — stay in-memory */
+    }
+  },
+  { deep: true },
+)
+
+function gcd(a: number, b: number): number {
+  a = Math.abs(a)
+  b = Math.abs(b)
+  while (b !== 0) {
+    const t = b
+    b = a % b
+    a = t
+  }
+  return a || 1
+}
+
+export function presetLabel(w: number, h: number): string {
+  const g = gcd(w, h)
+  return `${w / g}:${h / g} · ${w}×${h}`
+}
+
+export function parsePresetInput(input: string): { w: number; h: number } | null {
+  const m = input.trim().match(/^(\d+)\s*[x×*]\s*(\d+)$/i)
+  if (!m) return null
+  const w = Number(m[1])
+  const h = Number(m[2])
+  if (!Number.isFinite(w) || !Number.isFinite(h) || w <= 0 || h <= 0) return null
+  return { w, h }
+}
+
+export function useCanvasPresets() {
+  return {
+    presets,
+    addPreset(p: CanvasPreset) {
+      const exists = presets.value.some((x) => x.w === p.w && x.h === p.h)
+      if (exists) return
+      presets.value = [...presets.value, p]
+    },
+    removePreset(target: CanvasPreset) {
+      presets.value = presets.value.filter(
+        (p) => !(p.w === target.w && p.h === target.h),
+      )
+    },
+  }
+}
diff --git a/src/composables/useClipDragSource.ts b/src/composables/useClipDragSource.ts
new file mode 100644
index 0000000..fca5cdc
--- /dev/null
+++ b/src/composables/useClipDragSource.ts
@@ -0,0 +1,29 @@
+import { ref } from 'vue'
+
+/**
+ * Shared reactive state describing the clip the user is dragging out
+ * of the clip library. Read by Timeline's clip lane to render a ghost
+ * preview at the hover position — mirrors `useAudioDragSource`.
+ *
+ * The browser hides `dataTransfer.getData()` during `dragover`, so we
+ * stash the source info on dragstart and clear it on dragend/drop.
+ */
+export interface ClipDragSource {
+  /** Matches the `Clip` id in the project library so Timeline can
+   *  check collisions against its visible duration. */
+  clipId: string
+  /** Seconds — the library clip's full duration (no trim applied yet). */
+  duration: number
+  /** Display label; currently unused by the ghost but handy for tooling. */
+  name: string
+}
+
+export const clipDragSource = ref<ClipDragSource | null>(null)
+
+export function setClipDragSource(src: ClipDragSource): void {
+  clipDragSource.value = src
+}
+
+export function clearClipDragSource(): void {
+  clipDragSource.value = null
+}
diff --git a/src/composables/useDocumentDrawer.ts b/src/composables/useDocumentDrawer.ts
new file mode 100644
index 0000000..a8c321c
--- /dev/null
+++ b/src/composables/useDocumentDrawer.ts
@@ -0,0 +1,20 @@
+import { ref } from 'vue'
+
+// Shared open state so the topbar project-name button, the drawer's
+// own tab, and any future trigger all flip the same flag.
+const open = ref(false)
+
+export function useDocumentDrawer() {
+  return {
+    open,
+    toggle() {
+      open.value = !open.value
+    },
+    openDrawer() {
+      open.value = true
+    },
+    closeDrawer() {
+      open.value = false
+    },
+  }
+}
diff --git a/src/composables/useProjectName.ts b/src/composables/useProjectName.ts
new file mode 100644
index 0000000..325a3f7
--- /dev/null
+++ b/src/composables/useProjectName.ts
@@ -0,0 +1,31 @@
+import { ref, toRaw } from 'vue'
+import { saveProjectToStore } from '@/lib/projectStore'
+import { useSceneStore } from '@/stores/scene'
+
+// Module-scoped so topbar, document drawer, save/load flow and
+// welcome dialog all see the same name/id without prop plumbing.
+const projectName = ref<string | null>(null)
+const projectId = ref<string | null>(null)
+
+export function useProjectName() {
+  return { projectName, projectId, renameProject }
+}
+
+// Commit a new name. Trims, no-ops on empty or unchanged input. If
+// the project is already persisted in IDB, the record is rewritten
+// so recents + next load use the new name. Unsaved projects just get
+// the in-memory rename and the next save picks it up.
+async function renameProject(next: string): Promise<void> {
+  const trimmed = next.trim()
+  if (!trimmed || trimmed === projectName.value) return
+  projectName.value = trimmed
+  if (projectId.value) {
+    const store = useSceneStore()
+    const project = JSON.parse(JSON.stringify(toRaw(store.project)))
+    const rec = await saveProjectToStore(project, {
+      id: projectId.value,
+      name: trimmed,
+    })
+    projectName.value = rec.name
+  }
+}
diff --git a/src/devtools/tests.ts b/src/devtools/tests.ts
index 4e2a4ac..2a720e8 100644
--- a/src/devtools/tests.ts
+++ b/src/devtools/tests.ts
@@ -42,6 +42,7 @@ import Toast from '@/components/ui/Toast.vue'
 import PropertiesPanel from '@/components/PropertiesPanel.vue'
 import ClipartDrawer from '@/components/ClipartDrawer.vue'
 import SceneDrawer from '@/components/SceneDrawer.vue'
+import DocumentDrawer from '@/components/DocumentDrawer.vue'
 import ActionEditor from '@/components/ActionEditor.vue'
 import Timeline from '@/components/Timeline.vue'
 import AssetSidebar from '@/components/AssetSidebar.vue'
@@ -55,7 +56,7 @@ import {
   slicePeaksForClip,
 } from '@/composables/useAudioWaveform'
 import { vTooltip } from '@/directives/tooltip'
-import { expect, suite, test } from './testRunner'
+import { beforeEach, expect, suite, test } from './testRunner'
 
 interface MountedHandle {
   host: HTMLDivElement
@@ -2544,6 +2545,101 @@ export function registerAllTests(): void {
       expect(ci.clipTrackId).toBe(t1.id)
     })
 
+    test('setClipInstancePosition pushes neighbours forward when the moved clip collides on the right', () => {
+      const s = makeFreshStore()
+      const c = s.addClip('P')
+      c.duration = 2
+      const t = s.scene.clipTracks![0]
+      const a = s.addClipInstance(c.id, 0, t.id)! // 0..2
+      const b = s.addClipInstance(c.id, 3, t.id)! // 3..5
+      const cc = s.addClipInstance(c.id, 6, t.id)! // 6..8
+      // Move `a` forward onto `b`. Expect `b` to shunt to 2, `cc` stays.
+      expect(s.setClipInstancePosition(a.id, 2)).toBe(true)
+      expect(a.startTime).toBe(2)
+      expect(b.startTime).toBe(4)
+      expect(cc.startTime).toBe(6)
+    })
+
+    test('setClipInstancePosition pushes neighbours backward when the moved clip collides on the left', () => {
+      const s = makeFreshStore()
+      const c = s.addClip('P')
+      c.duration = 2
+      const t = s.scene.clipTracks![0]
+      const a = s.addClipInstance(c.id, 0, t.id)! // 0..2
+      const b = s.addClipInstance(c.id, 3, t.id)! // 3..5
+      const cc = s.addClipInstance(c.id, 6, t.id)! // 6..8
+      // Move `cc` backward onto `b`. Expect `b` to shunt left to 2 (abut
+      // `a` end) and `a` shifts to 0 (already there).
+      expect(s.setClipInstancePosition(cc.id, 4)).toBe(true)
+      expect(cc.startTime).toBe(4)
+      expect(b.startTime).toBe(2)
+      expect(a.startTime).toBe(0)
+    })
+
+    test('setClipInstancePosition clamps moved clip forward when backward cascade hits 0', () => {
+      // Pack the lane: three 2s clips abutting from 0. Drag the right-
+      // most left to 1 — there's no room for the chain at 0, so the
+      // moved clip should land at the first fitting slot (4) instead.
+      const s = makeFreshStore()
+      const c = s.addClip('Pack')
+      c.duration = 2
+      const t = s.scene.clipTracks![0]
+      const a = s.addClipInstance(c.id, 0, t.id)! // 0..2
+      const b = s.addClipInstance(c.id, 2, t.id)! // 2..4
+      const cc = s.addClipInstance(c.id, 4, t.id)! // 4..6
+      expect(s.setClipInstancePosition(cc.id, 1)).toBe(true)
+      expect(cc.startTime).toBe(4)
+      expect(a.startTime).toBe(0)
+      expect(b.startTime).toBe(2)
+    })
+
+    test('setClipInstancePosition returns false for unknown instance or unknown track', () => {
+      const s = makeFreshStore()
+      expect(s.setClipInstancePosition('no-such-instance', 0)).toBe(false)
+      const c = s.addClip('X')
+      const t = s.scene.clipTracks![0]
+      const ci = s.addClipInstance(c.id, 0, t.id)!
+      expect(s.setClipInstancePosition(ci.id, 0, 'ghost-track')).toBe(false)
+    })
+
+    test('duplicateClipInstance clones onto the same track, offset by visible duration', () => {
+      const s = makeFreshStore()
+      const c = s.addClip('D')
+      c.duration = 3
+      const t = s.scene.clipTracks![0]
+      const ci = s.addClipInstance(c.id, 1, t.id)!
+      s.setClipInstanceTransform(ci.id, { x: 42, scaleX: 2 })
+      const newId = s.duplicateClipInstance(ci.id)!
+      expect(typeof newId).toBe('string')
+      expect(newId === ci.id).toBe(false)
+      const copy = s.activeScene.clipInstances.find((x) => x.id === newId)!
+      expect(copy.clipId).toBe(c.id)
+      expect(copy.clipTrackId).toBe(t.id)
+      expect(copy.startTime).toBe(1 + 3) // original.startTime + visible length
+      expect(copy.x).toBe(42)
+      expect(copy.scaleX).toBe(2)
+    })
+
+    test('duplicateClipInstance honours trim when computing the offset', () => {
+      const s = makeFreshStore()
+      const c = s.addClip('D')
+      c.duration = 4
+      const t = s.scene.clipTracks![0]
+      const ci = s.addClipInstance(c.id, 0, t.id)!
+      s.trimClipInstance(ci.id, { trimStart: 0.5, trimEnd: 0.5 })
+      const newId = s.duplicateClipInstance(ci.id)!
+      const copy = s.activeScene.clipInstances.find((x) => x.id === newId)!
+      // visible length = 4 - 0.5 - 0.5 = 3 → copy lands at 3
+      expect(copy.startTime).toBe(3)
+      expect(copy.trimStart).toBe(0.5)
+      expect(copy.trimEnd).toBe(0.5)
+    })
+
+    test('duplicateClipInstance returns null for unknown id', () => {
+      const s = makeFreshStore()
+      expect(s.duplicateClipInstance('nope')).toBe(null)
+    })
+
     test('moveTrack reorders the unified stack (layer above clip track)', () => {
       const s = makeFreshStore()
       const a = s.addAsset({ kind: 'rect', name: 'M', width: 10, height: 10, fill: '#000' })
@@ -4271,6 +4367,243 @@ export function registerAllTests(): void {
     })
   })
 
+  suite('ui — DocumentDrawer', () => {
+    // The document-settings drawer slides down from under the topbar
+    // when the project-name button is clicked — no local tab button,
+    // no hover-to-peek. Opening is driven by the shared
+    // useDocumentDrawer() composable; outside-click and ESC close it.
+    // Document / canvas / bg-video / timing settings live here; the
+    // project name is edited inline in the header.
+
+    beforeEach(async () => {
+      // The drawer's open state + project name are module-scoped
+      // (shared composables). Reset both so tests don't leak state.
+      const { useDocumentDrawer } = await import(
+        '@/composables/useDocumentDrawer'
+      )
+      const { useProjectName } = await import('@/composables/useProjectName')
+      useDocumentDrawer().closeDrawer()
+      useProjectName().projectName.value = null
+      useProjectName().projectId.value = null
+    })
+
+    test('renders the drawer panel starting closed, no tab button', async () => {
+      makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const drawer = handle.host.querySelector('.document-drawer') as HTMLElement
+      expect(drawer).toBeTruthy()
+      expect(drawer.classList.contains('open')).toBe(false)
+      // The panel is always mounted (hidden via transform when closed).
+      expect(handle.host.querySelector('.drawer-panel')).toBeTruthy()
+      // The old tab trigger is gone — opening is composable-driven.
+      expect(handle.host.querySelector('.drawer-tab')).toBe(null)
+      handle.unmount()
+    })
+
+    test('toggle() via the composable flips .open on and off', async () => {
+      makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const drawer = handle.host.querySelector('.document-drawer') as HTMLElement
+      const { useDocumentDrawer } = await import(
+        '@/composables/useDocumentDrawer'
+      )
+      const dd = useDocumentDrawer()
+      expect(drawer.classList.contains('open')).toBe(false)
+      dd.toggle()
+      await nextTick()
+      expect(drawer.classList.contains('open')).toBe(true)
+      dd.toggle()
+      await nextTick()
+      expect(drawer.classList.contains('open')).toBe(false)
+      handle.unmount()
+    })
+
+    test('opening externally via useDocumentDrawer().openDrawer() flips the class', async () => {
+      // Regression: the topbar project-name button opens the drawer
+      // through the shared composable, so all triggers (topbar click,
+      // programmatic openDrawer) must land on the same state.
+      makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const { useDocumentDrawer } = await import(
+        '@/composables/useDocumentDrawer'
+      )
+      useDocumentDrawer().openDrawer()
+      await nextTick()
+      const drawer = handle.host.querySelector('.document-drawer') as HTMLElement
+      expect(drawer.classList.contains('open')).toBe(true)
+      handle.unmount()
+    })
+
+    test('panel exposes the canvas width / height fields bound to the store', async () => {
+      const s = makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const { useDocumentDrawer } = await import(
+        '@/composables/useDocumentDrawer'
+      )
+      useDocumentDrawer().openDrawer()
+      await nextTick()
+      const inputs = handle.host.querySelectorAll(
+        '.drawer-panel input[type="number"]',
+      ) as NodeListOf<HTMLInputElement>
+      // Expected order: width, height, duration, fps.
+      expect(inputs.length).toBe(4)
+      expect(Number(inputs[0].value)).toBe(s.scene.canvas.width)
+      expect(Number(inputs[1].value)).toBe(s.scene.canvas.height)
+      // Edit width → store updates.
+      inputs[0].value = '640'
+      inputs[0].dispatchEvent(new Event('input', { bubbles: true }))
+      inputs[0].dispatchEvent(new Event('change', { bubbles: true }))
+      await nextTick()
+      expect(s.scene.canvas.width).toBe(640)
+      handle.unmount()
+    })
+
+    test('preset buttons set canvas dimensions and reflect the active preset', async () => {
+      const s = makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const { useDocumentDrawer } = await import(
+        '@/composables/useDocumentDrawer'
+      )
+      useDocumentDrawer().openDrawer()
+      await nextTick()
+      const presets = Array.from(
+        handle.host.querySelectorAll('.preset'),
+      ) as HTMLButtonElement[]
+      const fullHd = presets.find((b) => b.textContent?.includes('1920×1080'))
+      expect(fullHd).toBeTruthy()
+      fullHd!.click()
+      await nextTick()
+      expect(s.scene.canvas.width).toBe(1920)
+      expect(s.scene.canvas.height).toBe(1080)
+      expect(fullHd!.classList.contains('active')).toBe(true)
+      handle.unmount()
+    })
+
+    test('mounting the drawer alone does not open it', async () => {
+      // Regression: there is no local trigger inside the drawer itself
+      // (no tab, no hover-peek). The only way in is via the composable,
+      // so a freshly-mounted drawer must stay closed.
+      makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const drawer = handle.host.querySelector('.document-drawer') as HTMLElement
+      expect(drawer.classList.contains('open')).toBe(false)
+      handle.unmount()
+    })
+
+    test('duration + fps fields are bound to the store', async () => {
+      const s = makeFreshStore()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const { useDocumentDrawer } = await import(
+        '@/composables/useDocumentDrawer'
+      )
+      useDocumentDrawer().openDrawer()
+      await nextTick()
+      const inputs = handle.host.querySelectorAll(
+        '.drawer-panel input[type="number"]',
+      ) as NodeListOf<HTMLInputElement>
+      // Order is [width, height, duration, fps].
+      const duration = inputs[2]
+      const fps = inputs[3]
+      expect(Number(duration.value)).toBe(s.scene.duration)
+      expect(Number(fps.value)).toBe(s.scene.fps)
+      duration.value = '12.5'
+      duration.dispatchEvent(new Event('input', { bubbles: true }))
+      duration.dispatchEvent(new Event('change', { bubbles: true }))
+      await nextTick()
+      expect(s.scene.duration).toBeCloseTo(12.5, 5)
+      handle.unmount()
+    })
+
+    test('project name input reflects the shared useProjectName ref', async () => {
+      // The drawer mirrors the topbar's name label — editing lives in
+      // the drawer and the topbar just displays. The input defaults to
+      // empty (with a placeholder) while the name is null; as soon as
+      // the source ref gets a value, the input follows via the watcher.
+      makeFreshStore()
+      const { useProjectName } = await import('@/composables/useProjectName')
+      const { projectName } = useProjectName()
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const input = handle.host.querySelector('.name-input') as HTMLInputElement
+      expect(input).toBeTruthy()
+      expect(input.value).toBe('')
+      projectName.value = 'My Project'
+      await nextTick()
+      expect(input.value).toBe('My Project')
+      handle.unmount()
+    })
+
+    test('committing a name via blur writes it to useProjectName.projectName', async () => {
+      makeFreshStore()
+      const { useProjectName } = await import('@/composables/useProjectName')
+      const { projectName } = useProjectName()
+      projectName.value = 'Old Name'
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const input = handle.host.querySelector('.name-input') as HTMLInputElement
+      input.value = '  Fresh Name  '
+      input.dispatchEvent(new Event('input', { bubbles: true }))
+      input.dispatchEvent(new Event('blur', { bubbles: true }))
+      await nextTick()
+      // Trimmed. No surrounding whitespace leaks into the stored name.
+      expect(projectName.value).toBe('Fresh Name')
+      handle.unmount()
+    })
+
+    test('Enter commits the name; Escape reverts to the stored value', async () => {
+      makeFreshStore()
+      const { useProjectName } = await import('@/composables/useProjectName')
+      const { projectName } = useProjectName()
+      projectName.value = 'Stored'
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const input = handle.host.querySelector('.name-input') as HTMLInputElement
+
+      // Enter → commit.
+      input.value = 'Pressed Enter'
+      input.dispatchEvent(new Event('input', { bubbles: true }))
+      input.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true }))
+      // The handler blurs the input synchronously; blur fires commit.
+      input.dispatchEvent(new Event('blur', { bubbles: true }))
+      await nextTick()
+      expect(projectName.value).toBe('Pressed Enter')
+
+      // Escape → revert the draft, no store change.
+      input.value = 'Accidentally typed'
+      input.dispatchEvent(new Event('input', { bubbles: true }))
+      input.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape', bubbles: true }))
+      input.dispatchEvent(new Event('blur', { bubbles: true }))
+      await nextTick()
+      expect(projectName.value).toBe('Pressed Enter')
+      expect(input.value).toBe('Pressed Enter')
+      handle.unmount()
+    })
+
+    test('empty / whitespace-only name is rejected; stored value snaps back', async () => {
+      makeFreshStore()
+      const { useProjectName } = await import('@/composables/useProjectName')
+      const { projectName } = useProjectName()
+      projectName.value = 'Keep Me'
+      const handle = mountComponent(DocumentDrawer, {})
+      await nextTick()
+      const input = handle.host.querySelector('.name-input') as HTMLInputElement
+      input.value = '   '
+      input.dispatchEvent(new Event('input', { bubbles: true }))
+      input.dispatchEvent(new Event('blur', { bubbles: true }))
+      await nextTick()
+      expect(projectName.value).toBe('Keep Me')
+      expect(input.value).toBe('Keep Me')
+      handle.unmount()
+    })
+  })
+
   suite('ui — ActionEditor (jumpToScene)', () => {
     test('jumpToScene appears in the type dropdown', async () => {
       const s = makeFreshStore()
@@ -4496,6 +4829,147 @@ export function registerAllTests(): void {
     })
   })
 
+  suite('ui — Timeline clip-instance context menu', () => {
+    test('right-click on a clip-block opens a menu with Duplicate + Delete', async () => {
+      const s = makeFreshStore()
+      s.setDuration(10)
+      const clip = s.addClip('CInst')
+      clip.duration = 2
+      const track = s.scene.clipTracks![0]
+      s.addClipInstance(clip.id, 0, track.id)
+      const handle = mountComponent(Timeline, {})
+      await nextTick()
+      const block = handle.host.querySelector('.clip-block') as HTMLElement
+      expect(block).toBeTruthy()
+      block.dispatchEvent(
+        new MouseEvent('contextmenu', { bubbles: true, cancelable: true, clientX: 30, clientY: 40 }),
+      )
+      await nextTick()
+      const menus = Array.from(handle.host.querySelectorAll('.kf-menu')) as HTMLElement[]
+      const menu = menus[menus.length - 1]
+      expect(menu).toBeTruthy()
+      const items = Array.from(menu.querySelectorAll('.kf-menu-item')) as HTMLButtonElement[]
+      expect(items).toHaveLength(2)
+      expect(items[items.length - 1].classList.contains('danger')).toBe(true)
+      handle.unmount()
+    })
+
+    test('menu Duplicate clones the clip instance on the same track', async () => {
+      const s = makeFreshStore()
+      s.setDuration(10)
+      const clip = s.addClip('CInst')
+      clip.duration = 2
+      const track = s.scene.clipTracks![0]
+      const ci = s.addClipInstance(clip.id, 1, track.id)!
+      const handle = mountComponent(Timeline, {})
+      await nextTick()
+      const block = handle.host.querySelector('.clip-block') as HTMLElement
+      block.dispatchEvent(
+        new MouseEvent('contextmenu', { bubbles: true, cancelable: true, clientX: 10, clientY: 10 }),
+      )
+      await nextTick()
+      const menus = Array.from(handle.host.querySelectorAll('.kf-menu')) as HTMLElement[]
+      const dup = menus[menus.length - 1].querySelector('.kf-menu-item') as HTMLButtonElement
+      dup.click()
+      await nextTick()
+      const siblings = s.activeScene.clipInstances.filter((x) => x.clipTrackId === track.id)
+      expect(siblings).toHaveLength(2)
+      const clone = siblings.find((x) => x.id !== ci.id)!
+      expect(clone.clipId).toBe(clip.id)
+      expect(clone.startTime).toBe(1 + 2)
+      handle.unmount()
+    })
+
+    test('menu Delete removes the clip instance', async () => {
+      const s = makeFreshStore()
+      s.setDuration(10)
+      const clip = s.addClip('CInst')
+      clip.duration = 2
+      const track = s.scene.clipTracks![0]
+      const ci = s.addClipInstance(clip.id, 0, track.id)!
+      const handle = mountComponent(Timeline, {})
+      await nextTick()
+      const block = handle.host.querySelector('.clip-block') as HTMLElement
+      block.dispatchEvent(
+        new MouseEvent('contextmenu', { bubbles: true, cancelable: true, clientX: 10, clientY: 10 }),
+      )
+      await nextTick()
+      const menus = Array.from(handle.host.querySelectorAll('.kf-menu')) as HTMLElement[]
+      const del = menus[menus.length - 1].querySelector('.kf-menu-item.danger') as HTMLButtonElement
+      del.click()
+      await nextTick()
+      expect(s.activeScene.clipInstances.find((x) => x.id === ci.id)).toBe(undefined)
+      handle.unmount()
+    })
+  })
+
+  suite('ui — Timeline audio-clip context menu', () => {
+    test('right-click on an audio-clip-block opens a menu with Duplicate + Delete', async () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'beep', src: 'data:audio/mp3;x', duration: 2 })
+      const track = s.addAudioTrack('FX')
+      s.addAudioClip(asset.id, 0, track.id)
+      const handle = mountComponent(Timeline, {})
+      await nextTick()
+      const block = handle.host.querySelector('.audio-clip-block') as HTMLElement
+      expect(block).toBeTruthy()
+      block.dispatchEvent(
+        new MouseEvent('contextmenu', { bubbles: true, cancelable: true, clientX: 30, clientY: 40 }),
+      )
+      await nextTick()
+      const menus = Array.from(handle.host.querySelectorAll('.kf-menu')) as HTMLElement[]
+      const menu = menus[menus.length - 1]
+      const items = Array.from(menu.querySelectorAll('.kf-menu-item')) as HTMLButtonElement[]
+      expect(items).toHaveLength(2)
+      expect(items[items.length - 1].classList.contains('danger')).toBe(true)
+      handle.unmount()
+    })
+
+    test('menu Duplicate clones the audio clip on the same track', async () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'beep', src: 'data:audio/mp3;x', duration: 2 })
+      const track = s.addAudioTrack('FX')
+      const clip = s.addAudioClip(asset.id, 1, track.id)!
+      const handle = mountComponent(Timeline, {})
+      await nextTick()
+      const block = handle.host.querySelector('.audio-clip-block') as HTMLElement
+      block.dispatchEvent(
+        new MouseEvent('contextmenu', { bubbles: true, cancelable: true, clientX: 10, clientY: 10 }),
+      )
+      await nextTick()
+      const menus = Array.from(handle.host.querySelectorAll('.kf-menu')) as HTMLElement[]
+      const dup = menus[menus.length - 1].querySelector('.kf-menu-item') as HTMLButtonElement
+      dup.click()
+      await nextTick()
+      const siblings = s.activeScene.audioClips.filter((c) => c.audioTrackId === track.id)
+      expect(siblings).toHaveLength(2)
+      const clone = siblings.find((c) => c.id !== clip.id)!
+      expect(clone.audioAssetId).toBe(asset.id)
+      expect(clone.startTime).toBe(1 + 2)
+      handle.unmount()
+    })
+
+    test('menu Delete removes the audio clip', async () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'beep', src: 'data:audio/mp3;x', duration: 2 })
+      const track = s.addAudioTrack('FX')
+      const clip = s.addAudioClip(asset.id, 0, track.id)!
+      const handle = mountComponent(Timeline, {})
+      await nextTick()
+      const block = handle.host.querySelector('.audio-clip-block') as HTMLElement
+      block.dispatchEvent(
+        new MouseEvent('contextmenu', { bubbles: true, cancelable: true, clientX: 10, clientY: 10 }),
+      )
+      await nextTick()
+      const menus = Array.from(handle.host.querySelectorAll('.kf-menu')) as HTMLElement[]
+      const del = menus[menus.length - 1].querySelector('.kf-menu-item.danger') as HTMLButtonElement
+      del.click()
+      await nextTick()
+      expect(s.activeScene.audioClips.find((c) => c.id === clip.id)).toBe(undefined)
+      handle.unmount()
+    })
+  })
+
   suite('ui — Timeline audio track', () => {
     test('audio track renders as an .audio-track lane with one block per clip', async () => {
       const s = makeFreshStore()
@@ -6244,6 +6718,68 @@ export function registerAllTests(): void {
       expect(s.setAudioClipPosition(clip.id, 0, 'ghost-track')).toBe(false)
     })
 
+    test('setAudioClipPosition pushes neighbours backward when moved clip collides on the left', () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'a', src: 'data:audio/mp3;x', duration: 2 })
+      const track = s.addAudioTrack()
+      const early = s.addAudioClip(asset.id, 0, track.id)! // 0..2
+      const mid = s.addAudioClip(asset.id, 3, track.id)! // 3..5
+      const late = s.addAudioClip(asset.id, 6, track.id)! // 6..8
+      // Drag `late` back onto `mid`. `mid` must shunt left to 2 (abuts
+      // `early` end), `early` sits already at 0.
+      expect(s.setAudioClipPosition(late.id, 4)).toBe(true)
+      expect(late.startTime).toBe(4)
+      expect(mid.startTime).toBe(2)
+      expect(early.startTime).toBe(0)
+    })
+
+    test('setAudioClipPosition clamps moved clip forward when backward cascade hits 0', () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'a', src: 'data:audio/mp3;x', duration: 2 })
+      const track = s.addAudioTrack()
+      const a = s.addAudioClip(asset.id, 0, track.id)! // 0..2
+      const b = s.addAudioClip(asset.id, 2, track.id)! // 2..4
+      const cc = s.addAudioClip(asset.id, 4, track.id)! // 4..6
+      // Nothing fits to the left of 4 — drag to 1 clamps cc forward to 4.
+      expect(s.setAudioClipPosition(cc.id, 1)).toBe(true)
+      expect(cc.startTime).toBe(4)
+      expect(a.startTime).toBe(0)
+      expect(b.startTime).toBe(2)
+    })
+
+    test('duplicateAudioClip clones onto the same track, offset by visible duration', () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'a', src: 'data:audio/mp3;x', duration: 2 })
+      const track = s.addAudioTrack()
+      const clip = s.addAudioClip(asset.id, 1, track.id)!
+      const newId = s.duplicateAudioClip(clip.id)!
+      expect(typeof newId).toBe('string')
+      expect(newId === clip.id).toBe(false)
+      const copy = s.activeScene.audioClips.find((c) => c.id === newId)!
+      expect(copy.audioAssetId).toBe(asset.id)
+      expect(copy.audioTrackId).toBe(track.id)
+      expect(copy.startTime).toBe(1 + 2)
+    })
+
+    test('duplicateAudioClip honours trim when computing the offset', () => {
+      const s = makeFreshStore()
+      const asset = s.addAudioAsset({ name: 'a', src: 'data:audio/mp3;x', duration: 4 })
+      const track = s.addAudioTrack()
+      const clip = s.addAudioClip(asset.id, 0, track.id)!
+      s.trimAudioClip(clip.id, { trimStart: 0.5, trimEnd: 0.5 })
+      const newId = s.duplicateAudioClip(clip.id)!
+      const copy = s.activeScene.audioClips.find((c) => c.id === newId)!
+      // visible length = 4 - 0.5 - 0.5 = 3
+      expect(copy.startTime).toBe(3)
+      expect(copy.trimStart).toBe(0.5)
+      expect(copy.trimEnd).toBe(0.5)
+    })
+
+    test('duplicateAudioClip returns null for unknown id', () => {
+      const s = makeFreshStore()
+      expect(s.duplicateAudioClip('nope')).toBe(null)
+    })
+
     test('normalizeScenePage drops orphan audio clips pointing at a missing track', () => {
       const s = makeFreshStore()
       const asset = addAsset(s)
diff --git a/src/i18n/messages.ts b/src/i18n/messages.ts
index 8ae6aad..037cf14 100644
--- a/src/i18n/messages.ts
+++ b/src/i18n/messages.ts
@@ -23,7 +23,7 @@ export const en = {
     },
     renameProject: 'Rename project',
     renameProjectHelp:
-      'Click to rename. Saved projects update in place; new names apply at the next save.',
+      'Opens the document drawer where you can rename the project. Saved projects update in place; unsaved names apply at the next save.',
     renameProjectDialog: {
       title: 'Rename project',
       message: 'Choose a new name for this project.',
@@ -370,6 +370,18 @@ export const en = {
     bgVideoUrlTitle: 'Background video URL',
     bgVideoUrlMessage: 'Paste the video URL (must be reachable by the browser):',
     bgVideoUrlConfirm: 'Load',
+    bgVideoButton: 'Background video',
+    bgVideoPicker: 'Click to choose a video · right-click for URL / clear',
+    presetsLabel: 'Presets',
+    presetAddTitle: 'Add preset',
+    presetAddMessage: 'Enter dimensions as WxH (e.g. 1920x1080).',
+    presetAddPlaceholder: '1920x1080',
+    presetAddConfirm: 'Add',
+    presetAddInvalid: 'Please enter dimensions like 1920x1080.',
+    presetAddTooltip: 'Add preset',
+    presetRemoveTitle: 'Remove preset?',
+    presetRemoveMessage: 'Remove "{label}" from your presets?',
+    presetRemoveConfirm: 'Remove',
     canvas: 'Canvas',
     width: 'Width',
     height: 'Height',
@@ -438,6 +450,12 @@ export const en = {
       'Point to a local folder with your images and audio files. The app remembers the folder; permissions may be re-asked after browser restart.',
   },
 
+  documentDrawer: {
+    open: 'Open document settings',
+    close: 'Close document settings',
+    projectName: 'Project',
+  },
+
   scenes: {
     title: 'Scenes',
     open: 'Open scenes',
@@ -952,7 +970,7 @@ export const de: DeepPartial<Messages> = {
     },
     renameProject: 'Projekt umbenennen',
     renameProjectHelp:
-      'Klicken, um den Namen zu ändern. Gespeicherte Projekte werden direkt aktualisiert. Neue Namen gelten beim nächsten Speichern.',
+      'Öffnet die Dokument-Schublade, in der das Projekt umbenannt werden kann. Gespeicherte Projekte werden direkt aktualisiert, ungespeicherte Namen gelten beim nächsten Speichern.',
     renameProjectDialog: {
       title: 'Projekt umbenennen',
       message: 'Wähle einen neuen Namen für dieses Projekt.',
@@ -1122,6 +1140,18 @@ export const de: DeepPartial<Messages> = {
     bgVideoUrlTitle: 'Hintergrundvideo-URL',
     bgVideoUrlMessage: 'Video-URL einfügen. Sie muss im Browser erreichbar sein:',
     bgVideoUrlConfirm: 'Laden',
+    bgVideoButton: 'Hintergrundvideo',
+    bgVideoPicker: 'Klick für Videoauswahl · Rechtsklick für URL / Entfernen',
+    presetsLabel: 'Presets',
+    presetAddTitle: 'Preset hinzufügen',
+    presetAddMessage: 'Maße als BxH eingeben (z. B. 1920x1080).',
+    presetAddPlaceholder: '1920x1080',
+    presetAddConfirm: 'Hinzufügen',
+    presetAddInvalid: 'Bitte Maße wie 1920x1080 eingeben.',
+    presetAddTooltip: 'Preset hinzufügen',
+    presetRemoveTitle: 'Preset entfernen?',
+    presetRemoveMessage: '„{label}" aus den Presets entfernen?',
+    presetRemoveConfirm: 'Entfernen',
     canvas: 'Canvas',
     width: 'Breite',
     height: 'Höhe',
@@ -1188,6 +1218,12 @@ export const de: DeepPartial<Messages> = {
     settingsHint:
       'Verweise auf einen lokalen Ordner mit Bildern und Audio. Die App merkt sich den Ordner. Nach einem Browser-Neustart kann die Berechtigung erneut abgefragt werden.',
   },
+  documentDrawer: {
+    open: 'Dokument-Einstellungen öffnen',
+    close: 'Dokument-Einstellungen schließen',
+    projectName: 'Projekt',
+  },
+
   scenes: {
     title: 'Szenen',
     open: 'Szenen öffnen',
diff --git a/src/main.ts b/src/main.ts
index 2c57109..281d8f7 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -11,3 +11,15 @@ app.use(createPinia())
 app.use(VueKonva)
 app.directive('tooltip', vTooltip)
 app.mount('#app')
+
+// Service worker exists solely to make the app installable as a PWA.
+// In Chrome/Edge, an installed PWA runs in standalone display mode,
+// which removes the top-edge "exit fullscreen" indicator that tabs
+// show when the Fullscreen API is active.
+if ('serviceWorker' in navigator) {
+  window.addEventListener('load', () => {
+    navigator.serviceWorker.register('/sw.js').catch(() => {
+      /* registration failed — app still works without PWA install */
+    })
+  })
+}
diff --git a/src/stores/scene.ts b/src/stores/scene.ts
index d066ba0..6319a5a 100644
--- a/src/stores/scene.ts
+++ b/src/stores/scene.ts
@@ -42,6 +42,96 @@ type AssetInit = Asset extends infer A ? (A extends Asset ? Omit<A, 'id'> : neve
 
 const KEYFRAME_EPSILON = 1e-3
 
+/** Shared cascading push-aside helper used by the audio-clip and clip-
+ *  instance move paths. Items on the same track ahead of the moved
+ *  block get shoved forward to its new tail; items behind get shoved
+ *  backward to its new head. If the backward chain would go below 0
+ *  the whole block is clamped forward to the first fitting slot so
+ *  nothing overlaps and nothing crosses the scene origin.
+ *
+ *  The helper mutates `others` in place (updates `startTime` on each
+ *  item) and returns the effective newStart actually applied — which
+ *  the caller should apply to the moved item itself. */
+interface CascadeItem {
+  id: string
+  startTime: number
+}
+
+function cascadePushAside<T extends CascadeItem>(
+  others: T[],
+  movedCenterOld: number,
+  movedLen: number,
+  lenOf: (item: T) => number,
+  desiredStart: number,
+): number {
+  const newEnd = () => newStart + movedLen
+
+  // Use the moved clip's *old* center to decide which side each neighbor
+  // belongs to. Doing the split on the pre-move position prevents the
+  // partition from flipping partway through a drag when the user's
+  // cursor crosses another clip.
+  const leftSide: T[] = []
+  const rightSide: T[] = []
+  for (const o of others) {
+    const center = o.startTime + lenOf(o) / 2
+    if (center < movedCenterOld) leftSide.push(o)
+    else rightSide.push(o)
+  }
+
+  let newStart = Math.max(0, desiredStart)
+
+  // Backward cascade: walk left-side clips from rightmost → leftmost,
+  // pushing each one left to stay clear of the running ceiling. If any
+  // would land below 0 we shift the whole moved block right by that
+  // deficit so the stack on the left sits flush with the scene origin.
+  leftSide.sort((a, b) => b.startTime - a.startTime)
+  const computeLeft = (): { newStarts: Map<string, number>; deficit: number } => {
+    const map = new Map<string, number>()
+    let ceiling = newStart
+    let maxDeficit = 0
+    for (const o of leftSide) {
+      const len = lenOf(o)
+      if (o.startTime + len <= ceiling) {
+        // Already clear — this one stays where it is
+        ceiling = o.startTime
+        map.set(o.id, o.startTime)
+      } else {
+        const next = ceiling - len
+        if (next < 0) maxDeficit = Math.max(maxDeficit, -next)
+        ceiling = next
+        map.set(o.id, next)
+      }
+    }
+    return { newStarts: map, deficit: maxDeficit }
+  }
+
+  let left = computeLeft()
+  if (left.deficit > 0) {
+    newStart += left.deficit
+    left = computeLeft()
+  }
+  for (const o of leftSide) {
+    const s = left.newStarts.get(o.id)
+    if (s !== undefined) o.startTime = Math.max(0, s)
+  }
+
+  // Forward cascade: walk right-side clips leftmost → rightmost,
+  // pushing each one forward to stay past the running floor.
+  rightSide.sort((a, b) => a.startTime - b.startTime)
+  let floor = newEnd()
+  for (const o of rightSide) {
+    const len = lenOf(o)
+    if (o.startTime >= floor) {
+      floor = o.startTime + len
+    } else {
+      o.startTime = floor
+      floor = o.startTime + len
+    }
+  }
+
+  return newStart
+}
+
 const BUTTON_STATE_TIME_VALUES: readonly number[] = [
   BUTTON_STATE_TIMES.normal,
   BUTTON_STATE_TIMES.hover,
@@ -1722,10 +1812,11 @@ export const useSceneStore = defineStore('scene', {
     },
 
     /** Move a clip to `(startTime, audioTrackId)` on the active page and
-     *  cascade-push any existing clips on the target track out of the way
-     *  (forward in time) so no overlap survives. Clips that end BEFORE
-     *  the moved clip's new startTime are left alone. Returns `false`
-     *  when the clip or target track is unknown. */
+     *  cascade-push any existing clips on the target track out of the
+     *  way so no overlap survives. Clips ahead of the moved block are
+     *  shoved forward; clips behind it are shoved backward. Hitting
+     *  the scene origin clamps the moved clip forward. Returns `false`
+     *  only when the clip or target track is unknown. */
     setAudioClipPosition(id: string, startTime: number, audioTrackId?: string): boolean {
       const page = this.activeScene
       const clip = page.audioClips.find((c) => c.id === id)
@@ -1740,28 +1831,23 @@ export const useSceneStore = defineStore('scene', {
         return Math.max(0, a.duration - (c.trimStart ?? 0) - (c.trimEnd ?? 0))
       }
 
-      const newStart = Math.max(0, startTime)
       const clipLen = lenOf(clip)
+      const oldCenter = clip.startTime + clipLen / 2
 
-      // Anything already on the target track, minus the one we're moving.
-      const others = page.audioClips
-        .filter((c) => c.audioTrackId === targetTrackId && c.id !== id)
-        .slice()
-        .sort((a, b) => a.startTime - b.startTime)
+      const others = page.audioClips.filter(
+        (c) => c.audioTrackId === targetTrackId && c.id !== id,
+      )
 
-      let floor = newStart + clipLen
-      for (const other of others) {
-        const len = lenOf(other)
-        // Clip entirely before the moved block — no cascade needed.
-        if (other.startTime + len <= newStart) continue
-        // Overlapping or sitting past the moved block but below the
-        // rolling floor → push it forward to the floor.
-        if (other.startTime < floor) other.startTime = floor
-        floor = other.startTime + len
-      }
+      const appliedStart = cascadePushAside(
+        others,
+        oldCenter,
+        clipLen,
+        lenOf,
+        startTime,
+      )
 
       clip.audioTrackId = targetTrackId
-      clip.startTime = newStart
+      clip.startTime = appliedStart
       return true
     },
 
@@ -1801,6 +1887,24 @@ export const useSceneStore = defineStore('scene', {
       this.activeScene.audioClips = this.activeScene.audioClips.filter((c) => c.id !== id)
     },
 
+    /** Clone an audio clip onto the same track, placed directly after
+     *  the original using its visible (trim-adjusted) duration. The
+     *  copy carries trim settings and sample/loop offsets forward. */
+    duplicateAudioClip(id: string): string | null {
+      const src = this.activeScene.audioClips.find((c) => c.id === id)
+      if (!src) return null
+      const asset = this.project.assets.find((a) => a.id === src.audioAssetId)
+      const base = asset && asset.kind === 'audio' ? asset.duration : 1
+      const visible = Math.max(0.05, base - (src.trimStart ?? 0) - (src.trimEnd ?? 0))
+      const copy: AudioClip = {
+        ...structuredClone(toRaw(src)),
+        id: uid(),
+        startTime: src.startTime + visible,
+      }
+      this.activeScene.audioClips.push(copy)
+      return copy.id
+    },
+
     // -------- Button assets --------------------------------------------
 
     addButtonAsset(name?: string, width = 200, height = 80): ButtonAsset {
@@ -2415,6 +2519,45 @@ export const useSceneStore = defineStore('scene', {
         if (track) inst.clipTrackId = clipTrackId
       }
     },
+
+    /** Move a clip instance, cascading non-overlap across its track —
+     *  mirrors `setAudioClipPosition`. Preferred over `moveClipInstance`
+     *  for user-initiated drags so instances can't land on top of each
+     *  other. Returns `false` only when the instance or target track
+     *  is unknown. */
+    setClipInstancePosition(id: string, startTime: number, clipTrackId?: string): boolean {
+      const page = this.activeScene
+      const inst = page.clipInstances.find((ci) => ci.id === id)
+      if (!inst) return false
+      const targetTrackId = clipTrackId ?? inst.clipTrackId
+      const targetTrack = page.clipTracks.find((t) => t.id === targetTrackId)
+      if (!targetTrack) return false
+
+      const lenOf = (ci: ClipInstance): number => {
+        const clip = this.project.clips.find((c) => c.id === ci.clipId)
+        if (!clip) return 0
+        return Math.max(0, clip.duration - (ci.trimStart ?? 0) - (ci.trimEnd ?? 0))
+      }
+
+      const instLen = lenOf(inst)
+      const oldCenter = inst.startTime + instLen / 2
+
+      const others = page.clipInstances.filter(
+        (ci) => ci.clipTrackId === targetTrackId && ci.id !== id,
+      )
+
+      const appliedStart = cascadePushAside(
+        others,
+        oldCenter,
+        instLen,
+        lenOf,
+        startTime,
+      )
+
+      inst.clipTrackId = targetTrackId
+      inst.startTime = appliedStart
+      return true
+    },
     trimClipInstance(
       id: string,
       patch: { startTime?: number; trimStart?: number; trimEnd?: number },
@@ -2448,6 +2591,24 @@ export const useSceneStore = defineStore('scene', {
       this.activeScene.clipInstances = this.activeScene.clipInstances.filter((ci) => ci.id !== id)
       if (this.selectedClipInstanceId === id) this.selectedClipInstanceId = null
     },
+
+    /** Clone a clip instance onto the same clip track, placed directly
+     *  after the original using its visible (trim-adjusted) duration.
+     *  Per-instance transform + trim settings are carried forward. */
+    duplicateClipInstance(id: string): string | null {
+      const src = this.activeScene.clipInstances.find((ci) => ci.id === id)
+      if (!src) return null
+      const clip = this.project.clips.find((c) => c.id === src.clipId)
+      const base = clip?.duration ?? 1
+      const visible = Math.max(0.05, base - (src.trimStart ?? 0) - (src.trimEnd ?? 0))
+      const copy: ClipInstance = {
+        ...structuredClone(toRaw(src)),
+        id: uid(),
+        startTime: src.startTime + visible,
+      }
+      this.activeScene.clipInstances.push(copy)
+      return copy.id
+    },
     /** Update the per-instance x / y / scaleX / scaleY. Missing fields
      *  on the patch are left alone; clearing a field (setting it to
      *  the default 0 / 1) prunes it from the stored object so the
diff --git a/src/version.ts b/src/version.ts
index b4243b1..81c3320 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,2 +1,2 @@
-export const APP_VERSION = '0.11.1'
+export const APP_VERSION = '0.12.0'
 export const APP_NAME = 'RUWIO'