diff --git a/package.json b/package.json
index 17870f9..fbc20b7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ruwio",
   "private": true,
-  "version": "1.2.8",
+  "version": "1.2.9",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/src/App.vue b/src/App.vue
index 451598e..044bf82 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -44,6 +44,7 @@ import { useHistory } from './composables/useHistory'
 import { useAudioRuntime } from './composables/useAudioRuntime'
 import { useDocumentDrawer } from './composables/useDocumentDrawer'
 import { usePlaybackLoop } from './composables/usePlaybackLoop'
+import { useTimeFormat } from './composables/useTimeFormat'
 import { useProjectName } from './composables/useProjectName'
 import { shouldChromeClickDeselect } from './lib/chromeClick'
 import { renderSceneToStillImage } from './lib/stillImageExport'
@@ -165,6 +166,7 @@ const isDirty = ref(false)
 usePlaybackLoop()
 useAudioRuntime()
 const store = useSceneStore()
+const { formatTime } = useTimeFormat()
 const clipart = useClipartStore()
 const history = useHistory()
 const deselectAll = useDeselectAll()
@@ -631,7 +633,7 @@ onBeforeUnmount(() => {
             :title="t('app.stop')"
             @click="stop"
           />
-          <span class="time">{{ store.playhead.toFixed(2) }}s / {{ store.scene.duration.toFixed(2) }}s</span>
+          <span class="time">{{ formatTime(store.playhead) }} / {{ formatTime(store.scene.duration) }}</span>
         </div>
       </div>
       <div class="topbar-right">
diff --git a/src/components/ActionEditor.vue b/src/components/ActionEditor.vue
index 939eccd..20e32a7 100644
--- a/src/components/ActionEditor.vue
+++ b/src/components/ActionEditor.vue
@@ -9,6 +9,9 @@ import {
 import { useSceneStore } from '@/stores/scene'
 import { t } from '@/i18n'
 import type { Action } from '@/types/scene'
+import { useTimeFormat } from '@/composables/useTimeFormat'
+
+const { timeToInputValue, inputValueToSeconds, inputStep, unitLabel } = useTimeFormat()
 
 const props = defineProps<{ actions: Action[] }>()
 const emit = defineEmits<{ 'update:actions': [value: Action[]] }>()
@@ -154,13 +157,13 @@ function onTypeChange(index: number, newType: Action['type']) {
         </div>
         <div v-if="a.type === 'jumpTo'" class="params">
           <label>
-            {{ t('actions.param.time') }}
+            {{ t('actions.param.time') }} ({{ unitLabel }})
             <input
               type="number"
-              step="0.01"
+              :step="inputStep"
               min="0"
-              :value="a.time"
-              @input="setAt(i, { type: 'jumpTo', time: Number(($event.target as HTMLInputElement).value) })"
+              :value="timeToInputValue(a.time)"
+              @input="setAt(i, { type: 'jumpTo', time: inputValueToSeconds(Number(($event.target as HTMLInputElement).value)) })"
             />
           </label>
         </div>
@@ -363,6 +366,11 @@ function onTypeChange(index: number, newType: Action['type']) {
   font-family: inherit;
 }
 
+.params input[type='number'] {
+  width: 96px;
+  font-variant-numeric: tabular-nums;
+}
+
 .params textarea {
   font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
   font-size: 11px;
diff --git a/src/components/AssetSidebar.vue b/src/components/AssetSidebar.vue
index 69760b9..216c5e4 100644
--- a/src/components/AssetSidebar.vue
+++ b/src/components/AssetSidebar.vue
@@ -21,6 +21,7 @@ import {
 } from '@phosphor-icons/vue'
 import { useSceneStore } from '@/stores/scene'
 import { useAssetThumbsPref } from '@/composables/useAssetThumbsPref'
+import { useTimeFormat } from '@/composables/useTimeFormat'
 import { importAudioFile, importImageFile, isAudioFile } from '@/lib/fileLoader'
 import {
   clearAudioDragSource,
@@ -42,6 +43,7 @@ const fileInput = ref<HTMLInputElement | null>(null)
 const uploadError = ref<string | null>(null)
 
 const { enabled: showThumbs } = useAssetThumbsPref()
+const { formatTime } = useTimeFormat()
 
 /** Per-section collapsed state, persisted so the user's layout
  *  survives reloads. Each key is false (expanded) by default —
@@ -782,7 +784,7 @@ function onAssetDragStart(e: DragEvent, asset: ImageOrSvgAsset) {
         <div class="clip-meta">
           <span class="clip-name" v-tooltip="clip.name">{{ clip.name }}</span>
           <span class="clip-sub">
-            {{ t('sidebar.clipLayerCount', { n: clip.layers.length }) }} · {{ clip.duration.toFixed(1) }}s
+            {{ t('sidebar.clipLayerCount', { n: clip.layers.length }) }} · {{ formatTime(clip.duration, { short: true, decimals: 1 }) }}
           </span>
         </div>
         <div class="clip-actions">
@@ -882,7 +884,7 @@ function onAssetDragStart(e: DragEvent, asset: ImageOrSvgAsset) {
         </div>
         <div class="clip-meta">
           <span class="clip-name" v-tooltip="asset.name">{{ asset.name }}</span>
-          <span class="clip-sub">{{ asset.duration.toFixed(2) }}s</span>
+          <span class="clip-sub">{{ formatTime(asset.duration) }}</span>
         </div>
         <div class="clip-actions">
           <button
diff --git a/src/components/DocumentDrawer.vue b/src/components/DocumentDrawer.vue
index 6ce6404..af9772f 100644
--- a/src/components/DocumentDrawer.vue
+++ b/src/components/DocumentDrawer.vue
@@ -5,6 +5,7 @@ import { useSceneStore } from '@/stores/scene'
 import { confirmDialog, promptDialog, dialogState } from '@/components/ui'
 import { useDocumentDrawer } from '@/composables/useDocumentDrawer'
 import { useProjectName } from '@/composables/useProjectName'
+import { useTimeFormat } from '@/composables/useTimeFormat'
 import {
   parsePresetInput,
   presetLabel,
@@ -17,6 +18,7 @@ const store = useSceneStore()
 const { open } = useDocumentDrawer()
 const { projectName, renameProject } = useProjectName()
 const { presets, addPreset, removePreset } = useCanvasPresets()
+const { mode: timeMode, timeToInputValue, inputValueToSeconds, inputStep, unitLabel } = useTimeFormat()
 
 const rootEl = ref<HTMLElement | null>(null)
 const nameInput = ref<HTMLInputElement | null>(null)
@@ -272,12 +274,11 @@ const bgTransparent = computed({
   },
 })
 
+// Duration input follows the global seconds/frames toggle. Storage
+// stays in seconds; conversion happens here at the UI boundary.
 const duration = computed({
-  // Round display to 2 decimals so a frame-aligned duration like
-  // 4.733333… shows as 4.73 in the input, matching the header
-  // format. Setter passes the user-typed value through unchanged.
-  get: () => Math.round(store.scene.duration * 100) / 100,
-  set: (v: number) => store.setDuration(v),
+  get: () => timeToInputValue(store.scene.duration),
+  set: (v: number) => store.setDuration(inputValueToSeconds(v)),
 })
 
 const fps = computed({
@@ -364,8 +365,13 @@ async function onRemovePreset(p: CanvasPreset) {
                 <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" />
+                <span>{{ t('settings.duration') }} ({{ unitLabel }})</span>
+                <input
+                  type="number"
+                  :min="timeMode === 'frames' ? 1 : 0.1"
+                  :step="inputStep"
+                  v-model.number="duration"
+                />
               </label>
               <label class="field">
                 <span>{{ t('settings.fps') }}</span>
diff --git a/src/components/FullscreenPreview.vue b/src/components/FullscreenPreview.vue
index cc62360..5f65d7c 100644
--- a/src/components/FullscreenPreview.vue
+++ b/src/components/FullscreenPreview.vue
@@ -4,6 +4,9 @@ import { PhPause, PhPlay, PhSkipBack, PhX } from '@phosphor-icons/vue'
 import { useSceneStore } from '@/stores/scene'
 import { mountPlayer, type PlayerHandle } from '@/lib/exportPlayer'
 import { t } from '@/i18n'
+import { useTimeFormat } from '@/composables/useTimeFormat'
+
+const { formatTime } = useTimeFormat()
 
 const props = defineProps<{ modelValue: boolean }>()
 const emit = defineEmits<{ 'update:modelValue': [value: boolean] }>()
@@ -240,7 +243,7 @@ onBeforeUnmount(() => {
 
 const timeLabel = computed(() => {
   const end = rangeOut.value || 0
-  return `${localTime.value.toFixed(2)}s / ${end.toFixed(2)}s`
+  return `${formatTime(localTime.value)} / ${formatTime(end)}`
 })
 </script>
 
diff --git a/src/components/PropertiesPanel.vue b/src/components/PropertiesPanel.vue
index 6348990..ea84769 100644
--- a/src/components/PropertiesPanel.vue
+++ b/src/components/PropertiesPanel.vue
@@ -21,6 +21,9 @@ import RangeSlider from './RangeSlider.vue'
 import ActionEditor from './ActionEditor.vue'
 import FontPicker from './FontPicker.vue'
 import { t } from '@/i18n'
+import { useTimeFormat } from '@/composables/useTimeFormat'
+
+const { formatTime, timeToInputValue, inputValueToSeconds, inputStep, unitLabel } = useTimeFormat()
 
 const SECTION_STORAGE_KEY = 'animatr:propSections'
 
@@ -177,16 +180,18 @@ const selectedClipInstance = computed(() => {
 
 const ciKaleidoOn = computed(() => !!selectedClipInstance.value?.kaleido)
 const ciKaleidoCount = computed(() => selectedClipInstance.value?.kaleidoCount ?? 6)
-// Offset is stored as seconds (the renderer's unit) but presented to
-// the user as frames — that's how animators reason about staggered
-// playback. Conversion uses the scene's fps.
-const ciKaleidoOffsetFrames = computed(() => {
-  const sec = selectedClipInstance.value?.kaleidoOffset ?? 0
-  const fps = Math.max(1, store.scene.fps || 30)
-  return Math.round(sec * fps)
-})
-const ciPivotX = computed(() => selectedClipInstance.value?.kaleidoPivotX ?? selectedClipInstance.value?.x ?? 0)
-const ciPivotY = computed(() => selectedClipInstance.value?.kaleidoPivotY ?? selectedClipInstance.value?.y ?? 0)
+// Offset is stored as seconds (the renderer's unit) but presented in
+// whichever unit the user picked globally (Timeline ruler toggle) —
+// frames or seconds. Conversion at the UI boundary via useTimeFormat.
+const ciKaleidoOffsetInput = computed(() =>
+  timeToInputValue(selectedClipInstance.value?.kaleidoOffset ?? 0),
+)
+const ciPivotX = computed(() =>
+  Math.round(selectedClipInstance.value?.kaleidoPivotX ?? selectedClipInstance.value?.x ?? 0),
+)
+const ciPivotY = computed(() =>
+  Math.round(selectedClipInstance.value?.kaleidoPivotY ?? selectedClipInstance.value?.y ?? 0),
+)
 const ciRotateCopies = computed(() => selectedClipInstance.value?.kaleidoRotateCopies !== false)
 
 function setCiKaleido(patch: Parameters<typeof store.setClipInstanceKaleido>[1]) {
@@ -195,10 +200,8 @@ function setCiKaleido(patch: Parameters<typeof store.setClipInstanceKaleido>[1])
   store.setClipInstanceKaleido(inst.id, patch)
 }
 
-function setCiKaleidoOffsetFrames(frames: number) {
-  if (!Number.isFinite(frames)) return
-  const fps = Math.max(1, store.scene.fps || 30)
-  setCiKaleido({ kaleidoOffset: Math.round(frames) / fps })
+function setCiKaleidoOffset(value: number) {
+  setCiKaleido({ kaleidoOffset: inputValueToSeconds(value) })
 }
 
 const kaleidoOn = computed(() => !!selected.value?.kaleido)
@@ -523,7 +526,7 @@ function deleteSelection() {
         <PhDiamond :size="11" :weight="hasKeyframeHere ? 'fill' : 'regular'" class="kf-dot" />
         <span class="kf-label">
           {{ hasKeyframeHere ? t('properties.keyframeLabel') : t('properties.interpolated') }}
-          <span class="kf-time">@ {{ store.playhead.toFixed(2) }}s</span>
+          <span class="kf-time">@ {{ formatTime(store.playhead) }}</span>
         </span>
         <button v-if="hasKeyframeHere" class="kf-btn" v-tooltip="t('properties.removeKeyframe')" @click="removeKeyframeHere">
           <PhX :size="12" weight="bold" />
@@ -646,7 +649,7 @@ function deleteSelection() {
               :min="0"
               :max="32"
               :step="0.5"
-              :format="(v: number) => `${v}px`"
+              :format="(v: number) => `${Math.round(v * 2) / 2}px`"
             />
           </label>
           <label class="slider-label">
@@ -859,12 +862,12 @@ function deleteSelection() {
             />
           </label>
           <label v-if="ciKaleidoOn">
-            {{ t('properties.kaleido.offset') }}
+            {{ t('properties.kaleido.offset') }} ({{ unitLabel }})
             <input
               type="number"
-              step="1"
-              :value="ciKaleidoOffsetFrames"
-              @change="setCiKaleidoOffsetFrames(Number(($event.target as HTMLInputElement).value))"
+              :step="inputStep"
+              :value="ciKaleidoOffsetInput"
+              @change="setCiKaleidoOffset(Number(($event.target as HTMLInputElement).value))"
             />
           </label>
           <div v-if="ciKaleidoOn" class="row">
@@ -946,6 +949,20 @@ input {
   letter-spacing: 0;
 }
 
+/* Number inputs hold short numeric values. Capping the width keeps
+   them from stretching to the panel's full ~260px and aligns the
+   panel visually with the more compact slider controls. Inputs
+   inside a `.row` (two side-by-side labels) still split that row
+   evenly because their label parent is `flex: 1 1 0`. */
+input[type='number'] {
+  max-width: 96px;
+  font-variant-numeric: tabular-nums;
+}
+
+.row input[type='number'] {
+  max-width: none;
+}
+
 .row {
   display: flex;
   gap: 8px;
diff --git a/src/components/ScriptFrameDialog.vue b/src/components/ScriptFrameDialog.vue
index 354e2ba..44a5038 100644
--- a/src/components/ScriptFrameDialog.vue
+++ b/src/components/ScriptFrameDialog.vue
@@ -6,6 +6,9 @@ import { t } from '@/i18n'
 import { Modal } from '@/components/ui'
 import ActionEditor from './ActionEditor.vue'
 import type { Action } from '@/types/scene'
+import { useTimeFormat } from '@/composables/useTimeFormat'
+
+const { timeToInputValue, inputValueToSeconds, inputStep, unitLabel } = useTimeFormat()
 
 const props = defineProps<{
   modelValue: boolean
@@ -73,13 +76,13 @@ function removeFrame() {
     <div v-if="frame" class="body">
       <div class="row">
         <label>
-          {{ t('scriptFrameDialog.time') }}
+          {{ t('scriptFrameDialog.time') }} ({{ unitLabel }})
           <input
             type="number"
-            step="0.01"
+            :step="inputStep"
             min="0"
-            :value="localTime"
-            @input="localTime = Number(($event.target as HTMLInputElement).value)"
+            :value="timeToInputValue(localTime)"
+            @input="localTime = inputValueToSeconds(Number(($event.target as HTMLInputElement).value))"
           />
         </label>
         <label class="grow">
@@ -144,6 +147,11 @@ function removeFrame() {
   font-family: inherit;
 }
 
+.row input[type='number'] {
+  width: 96px;
+  font-variant-numeric: tabular-nums;
+}
+
 .btn {
   display: inline-flex;
   align-items: center;
diff --git a/src/components/Timeline.vue b/src/components/Timeline.vue
index d1821a8..b3f08d1 100644
--- a/src/components/Timeline.vue
+++ b/src/components/Timeline.vue
@@ -2169,7 +2169,7 @@ function audioClipBlockStyle(clip: AudioClip) {
 function audioClipTooltip(clip: AudioClip): string {
   const asset = audioAssetById.value.get(clip.audioAssetId)
   if (!asset) return ''
-  return `${asset.name} · ${audibleDurationOf(clip).toFixed(2)}s`
+  return `${asset.name} · ${formatKfTime(audibleDurationOf(clip))}`
 }
 
 /** Resolved peaks for a clip's asset — undefined while the decoder
@@ -2664,10 +2664,10 @@ function onScriptLaneClick(e: MouseEvent, trackId: string) {
 
 function trimTooltip(ci: ClipInstance): string {
   const name = clipById.value.get(ci.clipId)?.name ?? '?'
-  const dur = visibleDurationOf(ci).toFixed(2)
+  const dur = formatKfTime(visibleDurationOf(ci))
   const trims: string[] = []
-  if ((ci.trimStart ?? 0) > 0) trims.push(t('timeline.trimStart', { value: (ci.trimStart ?? 0).toFixed(2) }))
-  if ((ci.trimEnd ?? 0) > 0) trims.push(t('timeline.trimEnd', { value: (ci.trimEnd ?? 0).toFixed(2) }))
+  if ((ci.trimStart ?? 0) > 0) trims.push(t('timeline.trimStart', { value: formatKfTime(ci.trimStart ?? 0) }))
+  if ((ci.trimEnd ?? 0) > 0) trims.push(t('timeline.trimEnd', { value: formatKfTime(ci.trimEnd ?? 0) }))
   const trimsStr = trims.length ? ` · ${trims.join(' · ')}` : ''
   return t('timeline.trimTooltip', { name, duration: dur, trims: trimsStr })
 }
diff --git a/src/composables/useTimeFormat.ts b/src/composables/useTimeFormat.ts
new file mode 100644
index 0000000..a7e0f99
--- /dev/null
+++ b/src/composables/useTimeFormat.ts
@@ -0,0 +1,79 @@
+// Single source of truth for "how do we format / parse a time?".
+// The Timeline ruler already exposes a seconds/frames toggle backed
+// by `store.editor.timelineDisplayMode`. This composable surfaces
+// that mode globally so headers, dialogs, properties, tooltips and
+// every other time display follows the user's choice — keeping them
+// in sync with the ruler instead of forcing the user to think in two
+// units at once.
+//
+// Storage stays in seconds everywhere (renderer + .ruw files).
+// Conversion happens at the UI boundary using `scene.fps`.
+
+import { computed } from 'vue'
+import { useSceneStore } from '@/stores/scene'
+
+export type TimeDisplayMode = 'seconds' | 'frames'
+
+export function useTimeFormat() {
+  const store = useSceneStore()
+  const mode = computed<TimeDisplayMode>(() => store.editor.timelineDisplayMode)
+  const fps = computed(() => (store.scene.fps > 0 ? store.scene.fps : 60))
+
+  /** seconds → frames (rounded to int). */
+  const secondsToFrames = (s: number): number => Math.round(s * fps.value)
+
+  /** frames → seconds. */
+  const framesToSeconds = (f: number): number => f / fps.value
+
+  /** Format a time for display. In frames mode emits e.g. `"42 fr"`,
+   *  in seconds mode `"1.42s"`. Pass `{ short: true }` to drop the
+   *  trailing zeros for ruler-style ticks ("1s" instead of "1.00s"). */
+  function formatTime(
+    seconds: number,
+    opts: { short?: boolean; decimals?: number } = {},
+  ): string {
+    if (mode.value === 'frames') return `${secondsToFrames(seconds)} fr`
+    const decimals = opts.decimals ?? 2
+    if (opts.short) {
+      const fixed = seconds.toFixed(decimals)
+      return `${fixed.replace(/0+$/, '').replace(/\.$/, '')}s`
+    }
+    return `${seconds.toFixed(decimals)}s`
+  }
+
+  /** Number suitable to plug into an `<input type="number" :value>`.
+   *  In frames mode returns an integer (frames). In seconds mode
+   *  returns a 2-decimal-rounded number so the input doesn't show
+   *  e.g. `1.4181818181`. */
+  function timeToInputValue(seconds: number): number {
+    if (mode.value === 'frames') return secondsToFrames(seconds)
+    return Math.round(seconds * 100) / 100
+  }
+
+  /** Inverse of `timeToInputValue` — read back what the user typed
+   *  into a time input and convert to seconds for storage. */
+  function inputValueToSeconds(value: number): number {
+    if (!Number.isFinite(value)) return 0
+    if (mode.value === 'frames') return framesToSeconds(Math.round(value))
+    return value
+  }
+
+  /** Sensible step + decimal placement for an `<input type="number">`
+   *  bound to a time. Frames mode: step 1, integer. Seconds: 0.01. */
+  const inputStep = computed(() => (mode.value === 'frames' ? '1' : '0.01'))
+
+  /** Unit suffix for labels (`"frames"` or `"seconds"`). */
+  const unitLabel = computed(() => (mode.value === 'frames' ? 'frames' : 'seconds'))
+
+  return {
+    mode,
+    fps,
+    secondsToFrames,
+    framesToSeconds,
+    formatTime,
+    timeToInputValue,
+    inputValueToSeconds,
+    inputStep,
+    unitLabel,
+  }
+}
diff --git a/src/devtools/tests.ts b/src/devtools/tests.ts
index a3ba43a..c7aee7e 100644
--- a/src/devtools/tests.ts
+++ b/src/devtools/tests.ts
@@ -15565,4 +15565,206 @@ export function registerAllTests(): void {
       expect(layerActiveAt(a, 2)).toBe(true)
     })
   })
+
+  suite('time format — global seconds/frames toggle', () => {
+    test('formatTime + timeToInputValue + inputValueToSeconds switch with the mode', async () => {
+      const { useTimeFormat } = await import('@/composables/useTimeFormat')
+      const s = makeFreshStore()
+      s.scene.fps = 30
+      const tf = useTimeFormat()
+      // Seconds mode (default).
+      s.editor.timelineDisplayMode = 'seconds'
+      expect(tf.formatTime(1.5)).toBe('1.50s')
+      expect(tf.formatTime(2, { short: true })).toBe('2s')
+      expect(tf.timeToInputValue(1.4181818)).toBeCloseTo(1.42, 5)
+      expect(tf.inputValueToSeconds(1.42)).toBeCloseTo(1.42, 5)
+      expect(tf.inputStep.value).toBe('0.01')
+      expect(tf.unitLabel.value).toBe('seconds')
+      // Frames mode.
+      s.editor.timelineDisplayMode = 'frames'
+      expect(tf.formatTime(0.5)).toBe('15 fr') // 0.5 * 30 fps
+      expect(tf.timeToInputValue(0.5)).toBe(15)
+      expect(tf.inputValueToSeconds(15)).toBeCloseTo(0.5, 5)
+      expect(tf.inputStep.value).toBe('1')
+      expect(tf.unitLabel.value).toBe('frames')
+      // Roundtrip across the boundary holds at frame-aligned times.
+      const sec = 0.4 // 12 frames @ 30fps
+      const back = tf.inputValueToSeconds(tf.timeToInputValue(sec))
+      expect(back).toBeCloseTo(0.4, 5)
+    })
+
+    test('PropertiesPanel keyframe-here label switches with the global mode', async () => {
+      const s = makeFreshStore()
+      s.scene.fps = 30
+      const a = s.addAsset({ kind: 'rect', name: 'R', width: 10, height: 10, fill: '#fff' })
+      const layer = s.addLayer(a.id)!
+      s.selectedLayerId = layer.id
+      s.selectedLayerIds = [layer.id]
+      s.setPlayhead(1.5)
+      s.editor.timelineDisplayMode = 'seconds'
+      const handle = mountComponent(PropertiesPanel, {})
+      try {
+        await nextTick()
+        const kfLabel = handle.host.querySelector('.kf-time') as HTMLElement | null
+        expect(!!kfLabel).toBe(true)
+        expect((kfLabel!.textContent ?? '').includes('1.50s')).toBe(true)
+        // Flip the mode → label re-renders in frames.
+        s.editor.timelineDisplayMode = 'frames'
+        await nextTick()
+        expect((kfLabel!.textContent ?? '').includes('45 fr')).toBe(true)
+      } finally {
+        handle.unmount()
+      }
+    })
+
+    test('DocumentDrawer duration input flips step + value when the mode changes', async () => {
+      const s = makeFreshStore()
+      s.scene.fps = 30
+      s.scene.duration = 2
+      // The drawer must be open for its template to mount.
+      const drawer = (await import('@/composables/useDocumentDrawer')).useDocumentDrawer()
+      drawer.open.value = true
+      s.editor.timelineDisplayMode = 'seconds'
+      const handle = mountComponent(DocumentDrawer, {})
+      try {
+        await nextTick()
+        // Find the duration input — the only number input that holds 2.
+        const inputs = Array.from(handle.host.querySelectorAll<HTMLInputElement>(
+          'input[type="number"]',
+        ))
+        const find = (val: number) => inputs.find((el) => Number(el.value) === val)
+        let input = find(2)!
+        expect(!!input).toBe(true)
+        expect(input.step).toBe('0.01')
+        // Flip global mode → re-finds the input by its new frame value.
+        s.editor.timelineDisplayMode = 'frames'
+        await nextTick()
+        const inputs2 = Array.from(handle.host.querySelectorAll<HTMLInputElement>(
+          'input[type="number"]',
+        ))
+        input = inputs2.find((el) => Number(el.value) === 60)! // 2s * 30 fps
+        expect(!!input).toBe(true)
+        expect(input.step).toBe('1')
+      } finally {
+        handle.unmount()
+        drawer.open.value = false
+      }
+    })
+
+    test('ActionEditor jumpTo input flips step + value when the mode changes', async () => {
+      const s = makeFreshStore()
+      s.scene.fps = 24
+      s.editor.timelineDisplayMode = 'seconds'
+      const actions: Action[] = [{ type: 'jumpTo', time: 1 }]
+      const handle = mountComponent(ActionEditor, { actions })
+      try {
+        await nextTick()
+        const input = handle.host.querySelector(
+          'input[type="number"]',
+        ) as HTMLInputElement | null
+        expect(!!input).toBe(true)
+        expect(Number(input!.value)).toBe(1)
+        expect(input!.step).toBe('0.01')
+        s.editor.timelineDisplayMode = 'frames'
+        await nextTick()
+        const input2 = handle.host.querySelector(
+          'input[type="number"]',
+        ) as HTMLInputElement | null
+        expect(Number(input2!.value)).toBe(24) // 1s * 24 fps
+        expect(input2!.step).toBe('1')
+      } finally {
+        handle.unmount()
+      }
+    })
+
+    test('PropertiesPanel kaleido offset follows the global mode', async () => {
+      // Regression: the user's complaint that started this work — the
+      // kaleido offset was a hardcoded "frames" field while every
+      // other time display lived in seconds. Now it follows the
+      // ruler toggle like the rest of the surfaces.
+      const s = makeFreshStore()
+      s.scene.fps = 30
+      const clip = s.addClip('K')
+      const track = s.addClipTrack()
+      const inst = s.addClipInstance(clip.id, 0, track.id)!
+      s.setClipInstanceKaleido(inst.id, {
+        kaleido: true,
+        kaleidoCount: 4,
+        kaleidoOffset: 0.5, // 15 frames at 30fps
+      })
+      s.selectClipInstance(inst.id)
+      s.editor.timelineDisplayMode = 'frames'
+      const handle = mountComponent(PropertiesPanel, {})
+      try {
+        await nextTick()
+        // The Kaleido section starts collapsed — open it before
+        // hunting for the offset input.
+        const kHeader = Array.from(
+          handle.host.querySelectorAll<HTMLButtonElement>('.group-header'),
+        ).find((b) => (b.textContent ?? '').toLowerCase().includes('kaleido'))
+        expect(!!kHeader).toBe(true)
+        // Open if collapsed.
+        if (!handle.host.querySelector('.group-body input[type="number"]')) {
+          kHeader!.click()
+          await nextTick()
+        }
+        // The offset input is the third number input in the section
+        // (after Repeat + Pivot inputs come AFTER it; offset is right
+        // after Repeat). Filter by step="1" + value matching frames.
+        const inputs = Array.from(
+          handle.host.querySelectorAll<HTMLInputElement>('.group-body input[type="number"]'),
+        )
+        const offsetInput = inputs.find((el) => Number(el.value) === 15)
+        expect(!!offsetInput).toBe(true)
+        expect(offsetInput!.step).toBe('1')
+        // Flip global mode → seconds. Same offset reads as 0.5.
+        s.editor.timelineDisplayMode = 'seconds'
+        await nextTick()
+        const inputs2 = Array.from(
+          handle.host.querySelectorAll<HTMLInputElement>('.group-body input[type="number"]'),
+        )
+        const offsetInput2 = inputs2.find((el) => Number(el.value) === 0.5)
+        expect(!!offsetInput2).toBe(true)
+        expect(offsetInput2!.step).toBe('0.01')
+      } finally {
+        handle.unmount()
+      }
+    })
+
+    test('PropertiesPanel kaleido offset writes back through the mode', async () => {
+      // Typing "30" into the input in frames mode at 30fps stores
+      // exactly 1.0s; switching to seconds and typing "0.5" stores 0.5.
+      const s = makeFreshStore()
+      s.scene.fps = 30
+      const clip = s.addClip('K')
+      const track = s.addClipTrack()
+      const inst = s.addClipInstance(clip.id, 0, track.id)!
+      s.setClipInstanceKaleido(inst.id, { kaleido: true, kaleidoCount: 4, kaleidoOffset: 0.5 })
+      s.selectClipInstance(inst.id)
+      s.editor.timelineDisplayMode = 'frames'
+      const handle = mountComponent(PropertiesPanel, {})
+      try {
+        await nextTick()
+        const kHeader = Array.from(
+          handle.host.querySelectorAll<HTMLButtonElement>('.group-header'),
+        ).find((b) => (b.textContent ?? '').toLowerCase().includes('kaleido'))
+        if (!handle.host.querySelector('.group-body input[type="number"]')) {
+          kHeader!.click()
+          await nextTick()
+        }
+        const inputs = Array.from(
+          handle.host.querySelectorAll<HTMLInputElement>('.group-body input[type="number"]'),
+        )
+        const offsetInput = inputs.find((el) => Number(el.value) === 15)!
+        // Write 30 frames → 1s.
+        offsetInput.value = '30'
+        offsetInput.dispatchEvent(new Event('change'))
+        await nextTick()
+        const stored = s.scene.clipInstances!.find((c) => c.id === inst.id)!
+        expect(stored.kaleidoOffset).toBeCloseTo(1, 5)
+      } finally {
+        handle.unmount()
+      }
+    })
+  })
 }
diff --git a/src/i18n/messages.ts b/src/i18n/messages.ts
index a3589f7..e17e911 100644
--- a/src/i18n/messages.ts
+++ b/src/i18n/messages.ts
@@ -211,7 +211,7 @@ export const en = {
     kaleido: {
       toggle: 'Kaleido',
       repeat: 'Repeat',
-      offset: 'Start offset (frames)',
+      offset: 'Start offset',
       rotateCopies: 'Rotate copies outward',
       pivotX: 'Pivot X',
       pivotY: 'Pivot Y',
diff --git a/src/version.ts b/src/version.ts
index 02d3db8..7edd939 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,2 +1,2 @@
-export const APP_VERSION = '1.2.8'
+export const APP_VERSION = '1.2.9'
 export const APP_NAME = 'RUWIO'