diff --git a/PLAN.md b/PLAN.md
index e3a0723f5..9c1e998ff 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -1431,4 +1431,134 @@ This PoC validates the entire stack end-to-end in 4 weeks, before committing to
 
 ---
 
+## Keyboard Shortcuts Reference
+
+Full Figma-compatible shortcut map. Implemented shortcuts marked with ✅.
+
+### Tools (single key, no modifier)
+
+| Key | Tool | Status |
+|-----|------|--------|
+| V | Move/Select | ✅ |
+| K | Scale | |
+| H | Hand | ✅ |
+| F | Frame | ✅ |
+| S | Section / Slice | |
+| R | Rectangle | ✅ |
+| O | Ellipse | ✅ |
+| L | Line | ✅ |
+| ⇧L | Arrow | |
+| P | Pen | |
+| ⇧P | Pencil | |
+| T | Text | ✅ |
+| C | Comment | |
+| I | Eyedropper | |
+
+### File
+
+| Shortcut | Action | Status |
+|----------|--------|--------|
+| ⌘N | New Window | |
+| ⌘O | Open File | ✅ |
+| ⌘W | Close Tab | |
+| ⌘S | Save | |
+| ⇧⌘E | Export… | |
+
+### Edit
+
+| Shortcut | Action | Status |
+|----------|--------|--------|
+| ⌘Z | Undo | ✅ |
+| ⇧⌘Z | Redo | ✅ |
+| ⌘X | Cut | |
+| ⌘C | Copy | |
+| ⌘V | Paste | |
+| ⇧⌘V | Paste Over Selection | |
+| ⌘D | Duplicate | ✅ |
+| ⌫ | Delete | ✅ |
+| ⌘A | Select All | ✅ |
+| ⇧⌘A | Select Inverse | |
+| ⌥⌘C | Copy Properties | |
+| ⌥⌘V | Paste Properties | |
+| ⌃C | Pick Color (Eyedropper) | |
+
+### View
+
+| Shortcut | Action | Status |
+|----------|--------|--------|
+| ⌘' | Pixel Grid | |
+| ⌃G | Layout Guides | |
+| ⇧R | Rulers | |
+| ⌘\ | Show/Hide UI | |
+| ⌘= | Zoom In | ✅ |
+| ⌘- | Zoom Out | ✅ |
+| ⌘0 | Zoom to 100% | ✅ |
+| ⌘1 | Zoom to Fit | |
+| ⌘2 | Zoom to Selection | |
+| N / ⇧N | Next/Previous Frame | |
+
+### Object
+
+| Shortcut | Action | Status |
+|----------|--------|--------|
+| ⌥⌘G | Frame Selection | |
+| ⌘G | Group Selection | |
+| ⇧⌘G | Ungroup | |
+| ⇧A | Add Auto Layout | |
+| ⌥⌘K | Create Component | |
+| ⌥⌘B | Detach Instance | |
+| ⌘] | Bring Forward | |
+| ⌥⌘] | Bring to Front | |
+| ⌘[ | Send Backward | |
+| ⌥⌘[ | Send to Back | |
+| ⇧H | Flip Horizontal | |
+| ⇧V | Flip Vertical | |
+| ⌘E | Flatten | |
+| ⇧⌘H | Show/Hide Selection | |
+| ⇧⌘L | Lock/Unlock Selection | |
+| ⌥/ | Remove Fill | |
+| ⇧X | Swap Fill and Stroke | |
+
+### Text
+
+| Shortcut | Action | Status |
+|----------|--------|--------|
+| ⌘B | Bold | |
+| ⌘I | Italic | |
+| ⌘U | Underline | |
+| ⇧⌘X | Strikethrough | |
+| ⇧⌘U | Create Link | |
+
+### Arrange
+
+| Shortcut | Action | Status |
+|----------|--------|--------|
+| ⌥A | Align Left | |
+| ⌥H | Align Horizontal Centers | |
+| ⌥D | Align Right | |
+| ⌥W | Align Top | |
+| ⌥V | Align Vertical Centers | |
+| ⌥S | Align Bottom | |
+| ⌥⇧H | Distribute Horizontal Spacing | |
+| ⌥⇧V | Distribute Vertical Spacing | |
+
+### Canvas Interaction
+
+| Input | Action | Status |
+|-------|--------|--------|
+| Click | Select node | ✅ |
+| Shift+Click | Add/remove from selection | ✅ |
+| Alt+Drag | Duplicate and move | ✅ |
+| Shift+Drag (draw) | Constrain to square/circle | ✅ |
+| Shift+Drag (resize) | Maintain aspect ratio | ✅ |
+| Shift+Drag (rotate) | Snap to 15° | ✅ |
+| Middle mouse drag | Pan | ✅ |
+| Scroll | Pan | ✅ |
+| Ctrl+Scroll / Pinch | Zoom | ✅ |
+| Double-click text | Edit text inline | ✅ |
+| Drag onto frame | Reparent into frame | ✅ |
+| Escape | Deselect / Cancel | ✅ |
+
+---
+
 *Created: 2026-02-26*
diff --git a/src/stores/editor.ts b/src/stores/editor.ts
index d878caea6..1cb22e983 100644
--- a/src/stores/editor.ts
+++ b/src/stores/editor.ts
@@ -278,7 +278,7 @@ export function createEditorStore() {
   }
 
   function applyZoom(delta: number, centerX: number, centerY: number) {
-    const factor = delta < 0 ? 1.1 : 0.9
+    const factor = Math.pow(0.99, delta)
     const newZoom = Math.max(0.02, Math.min(256, state.zoom * factor))
     state.panX = centerX - (centerX - state.panX) * (newZoom / state.zoom)
     state.panY = centerY - (centerY - state.panY) * (newZoom / state.zoom)