diff --git a/e2e/touch.spec.ts b/e2e/touch.spec.ts
new file mode 100644
index 00000000..af889ad3
--- /dev/null
+++ b/e2e/touch.spec.ts
@@ -0,0 +1,281 @@
+import { test, expect } from '@playwright/test';
+import type { Page, CDPSession } from '@playwright/test';
+import { go } from './utils';
+
+/**
+ * Touch gestures (react-core useTouchGestures) on a phone-sized viewport.
+ *
+ * Taps go through page.touchscreen; drags and long presses need raw touch sequences, which
+ * Playwright only exposes through CDP (Chromium) — fine, since the suite runs on Chromium.
+ */
+test.use({ viewport: { width: 390, height: 664 }, hasTouch: true, isMobile: true });
+
+type Pt = [number, number];
+
+const center = async (page: Page, selector: string): Promise<Pt> => {
+  const b = await page.locator(selector).first().boundingBox();
+  if (!b) throw new Error(`${selector} not found`);
+  return [b.x + b.width / 2, b.y + b.height / 2];
+};
+
+const send = (cdp: CDPSession, type: string, points: Pt[]) =>
+  cdp.send('Input.dispatchTouchEvent', {
+    type: type as 'touchStart' | 'touchMove' | 'touchEnd',
+    touchPoints: points.map(([x, y], id) => ({ x, y, id })),
+  });
+
+const swipe = async (page: Page, cdp: CDPSession, from: Pt, to: Pt, steps = 10) => {
+  await send(cdp, 'touchStart', [from]);
+  for (let i = 1; i <= steps; i++) {
+    await send(cdp, 'touchMove', [
+      [from[0] + ((to[0] - from[0]) * i) / steps, from[1] + ((to[1] - from[1]) * i) / steps],
+    ]);
+    await page.waitForTimeout(16);
+  }
+  await send(cdp, 'touchEnd', []);
+  await page.waitForTimeout(300);
+};
+
+const longPress = async (page: Page, cdp: CDPSession, at: Pt) => {
+  await send(cdp, 'touchStart', [at]);
+  await page.waitForTimeout(800);
+  await send(cdp, 'touchEnd', []);
+  await page.waitForTimeout(300);
+};
+
+const tap = async (page: Page, selector: string) => {
+  await page.touchscreen.tap(...(await center(page, selector)));
+  await page.waitForTimeout(250);
+};
+
+const doubleTap = async (page: Page, selector: string) => {
+  const at = await center(page, selector);
+  await page.touchscreen.tap(...at);
+  await page.waitForTimeout(60);
+  await page.touchscreen.tap(...at);
+  await page.waitForTimeout(300);
+};
+
+const open = async (page: Page, story: string) => {
+  await go(page, story);
+  await page.waitForSelector('.gs-initialized');
+  await page.waitForTimeout(300);
+  return page.context().newCDPSession(page);
+};
+
+const selectedCount = (page: Page) => page.locator('.gs-cell.gs-selecting').count();
+
+test('tap selects a cell without opening the soft keyboard', async ({ page }) => {
+  await open(page, 'basic-large--sheet');
+  await tap(page, "[data-address='B3']");
+  await expect(page.locator('.gs-cell.gs-choosing')).toHaveAttribute('data-address', 'B3');
+  await expect(page.locator('.gs-editor textarea')).toHaveAttribute('inputmode', 'none');
+});
+
+test('double tap edits the cell with the keyboard enabled', async ({ page }) => {
+  await open(page, 'basic-simple--sheet');
+  await doubleTap(page, "[data-address='A3']");
+  await expect(page.locator('.gs-editor.gs-editing')).toHaveCount(1);
+  await expect(page.locator('.gs-editor textarea')).not.toHaveAttribute('inputmode', 'none');
+  await page.keyboard.press('ControlOrMeta+a');
+  await page.keyboard.type('hello');
+  await page.waitForTimeout(100);
+  await page.keyboard.press('Enter');
+  await expect(page.locator("[data-address='A3'] .gs-cell-rendered")).toHaveText('hello');
+});
+
+test('tapping a cell while typing a formula inserts its reference', async ({ page }) => {
+  await open(page, 'basic-simple--sheet');
+  await doubleTap(page, "[data-address='A4']");
+  await page.keyboard.press('ControlOrMeta+a');
+  await page.keyboard.type('=SUM(');
+  await page.waitForTimeout(200);
+  await tap(page, "[data-address='A1']");
+  await expect(page.locator('.gs-editor textarea')).toHaveValue('=SUM(A1');
+});
+
+test('swiping scrolls without moving the selection', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  const from = await center(page, "[data-address='B8']");
+  await swipe(page, cdp, from, [from[0] - 150, from[1] - 250], 8);
+  const top = await page.locator('.gs-tabular').evaluate((el) => el.scrollTop);
+  expect(top).toBeGreaterThan(100);
+  await expect(page.locator('.gs-cell.gs-choosing')).toHaveAttribute('data-address', 'A1');
+});
+
+test.describe('with an iOS Safari user agent', () => {
+  // Safari-only code paths (e.g. preventSafariBounce) switch on the UA.
+  test.use({
+    userAgent:
+      'Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Mobile/15E148 Safari/604.1',
+  });
+
+  test('a swipe that drifts toward an edge already reached still scrolls', async ({ page }) => {
+    const cdp = await open(page, 'basic-large--sheet');
+    const from = await center(page, "[data-address='B8']");
+    // Mostly up, slightly right: at the initial top-left the rightward drift points at the left edge.
+    await swipe(page, cdp, from, [from[0] + 10, from[1] - 250], 8);
+    const top = await page.locator('.gs-tabular').evaluate((el) => el.scrollTop);
+    expect(top).toBeGreaterThan(100);
+  });
+});
+
+test('a mostly vertical swipe is locked to vertical scrolling', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  const tabular = page.locator('.gs-tabular');
+  const from = await center(page, "[data-address='C10']");
+  // Up, drifting left the way a thumb does.
+  const to: Pt = [from[0] - 30, from[1] - 250];
+  let lockedX = '';
+  await send(cdp, 'touchStart', [from]);
+  for (let i = 1; i <= 10; i++) {
+    await send(cdp, 'touchMove', [[from[0] + ((to[0] - from[0]) * i) / 10, from[1] + ((to[1] - from[1]) * i) / 10]]);
+    await page.waitForTimeout(16);
+    if (i === 5) {
+      // Chromium already rails touch scrolls to an axis, iOS Safari doesn't: check the lock itself.
+      lockedX = await tabular.evaluate((el) => getComputedStyle(el).overflowX);
+    }
+  }
+  await send(cdp, 'touchEnd', []);
+  await page.waitForTimeout(500);
+  expect(lockedX).toBe('hidden');
+  const after = await tabular.evaluate((el) => [el.scrollLeft, el.scrollTop, getComputedStyle(el).overflowX]);
+  expect(after[1]).toBeGreaterThan(100);
+  expect(after[0]).toBe(0);
+  expect(after[2]).toBe('auto'); // released once scrolling settled
+});
+
+test('a diagonal swipe still scrolls both ways', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  const from = await center(page, "[data-address='C10']");
+  await swipe(page, cdp, from, [from[0] - 150, from[1] - 150], 10);
+  const [left, top] = await page.locator('.gs-tabular').evaluate((el) => [el.scrollLeft, el.scrollTop]);
+  expect(top).toBeGreaterThan(50);
+  expect(left).toBeGreaterThan(50);
+});
+
+test('dragging from the cursor cell extends the selection', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await tap(page, "[data-address='B2']");
+  await swipe(page, cdp, await center(page, "[data-address='B2']"), await center(page, "[data-address='C5']"));
+  expect(await selectedCount(page)).toBe(8);
+  await expect(page.locator('.gs-cell.gs-choosing')).toHaveAttribute('data-address', 'B2');
+});
+
+test('holding a range drag at the bottom edge auto-scrolls', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await tap(page, "[data-address='A3']");
+  const box = (await page.locator('.gs-tabular').boundingBox())!;
+  const from = await center(page, "[data-address='A3']");
+  const to: Pt = [from[0], box.y + box.height - 5];
+  await send(cdp, 'touchStart', [from]);
+  for (let i = 1; i <= 10; i++) {
+    await send(cdp, 'touchMove', [[from[0], from[1] + ((to[1] - from[1]) * i) / 10]]);
+    await page.waitForTimeout(16);
+  }
+  await page.waitForTimeout(600);
+  await send(cdp, 'touchEnd', []);
+  await page.waitForTimeout(300);
+  const top = await page.locator('.gs-tabular').evaluate((el) => el.scrollTop);
+  expect(top).toBeGreaterThan(100);
+  // The selection followed the scroll: the rows now in view are selected.
+  expect(await selectedCount(page)).toBeGreaterThan(10);
+});
+
+test('dragging from a selected column header extends the column selection', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await tap(page, ".gs-th-top[data-x='2'] .gs-th-inner");
+  await swipe(
+    page,
+    cdp,
+    await center(page, ".gs-th-top[data-x='2'] .gs-th-inner"),
+    await center(page, ".gs-th-top[data-x='3'] .gs-th-inner"),
+  );
+  const cols = await page.evaluate(
+    () => new Set([...document.querySelectorAll<HTMLElement>('.gs-cell.gs-selecting')].map((e) => e.dataset.x)).size,
+  );
+  expect(cols).toBe(2);
+});
+
+test('long press on a cell opens the context menu', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await longPress(page, cdp, await center(page, "[data-address='B3']"));
+  await expect(page.locator('.gs-context-menu-modal')).toHaveCount(1);
+  // The pressed cell became the target.
+  await expect(page.locator('.gs-cell.gs-choosing')).toHaveAttribute('data-address', 'B3');
+  // The menu opens next to the pressed cell, not under the finger.
+  const cell = (await page.locator("[data-address='B3']").boundingBox())!;
+  const menu = (await page.locator('.gs-context-menu').boundingBox())!;
+  expect(menu.y >= cell.y + cell.height || menu.y + menu.height <= cell.y).toBe(true);
+});
+
+test('scrolling the menu never scrolls the page beneath', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await page.evaluate(() => (document.body.style.paddingBottom = '1500px')); // a scrollable host page
+  await longPress(page, cdp, await center(page, "[data-address='B3']"));
+  const m = (await page.locator('.gs-context-menu').boundingBox())!;
+  const mid: Pt = [m.x + m.width / 2, m.y + m.height / 2];
+  // Past the menu's own end, then on the backdrop.
+  for (let i = 0; i < 3; i++) {
+    await swipe(page, cdp, mid, [mid[0], mid[1] - 200], 8);
+  }
+  await swipe(page, cdp, [30, 500], [30, 300], 8);
+  expect(await page.locator('.gs-context-menu').evaluate((el) => el.scrollTop)).toBeGreaterThan(0);
+  expect(await page.evaluate(() => scrollY)).toBe(0);
+});
+
+test('long press on a column header opens the column menu', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await longPress(page, cdp, await center(page, ".gs-th-top[data-x='3'] .gs-th-inner"));
+  await expect(page.locator('.gs-column-menu')).toHaveCount(1);
+  await expect(page.locator('.gs-context-menu-modal')).toHaveCount(0);
+});
+
+test('long press on a row header opens the row menu', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await longPress(page, cdp, await center(page, ".gs-th-left[data-y='4'] .gs-th-inner"));
+  await expect(page.locator('.gs-row-menu')).toHaveCount(1);
+});
+
+test('dragging a column resizer resizes the column', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  const th = page.locator(".gs-th-top[data-x='2']");
+  const before = (await th.boundingBox())!.width;
+  const r = (await page.locator(".gs-th-top[data-x='2'] .gs-resizer").boundingBox())!;
+  const from: Pt = [r.x + r.width / 2, r.y + r.height / 2];
+  await swipe(page, cdp, from, [from[0] + 60, from[1]]);
+  const after = (await th.boundingBox())!.width;
+  expect(after - before).toBeGreaterThan(40);
+});
+
+test('dragging the autofill handle fills', async ({ page }) => {
+  const cdp = await open(page, 'basic-large--sheet');
+  await tap(page, "[data-address='A2']");
+  const h = (await page.locator('.gs-cell.gs-choosing .gs-autofill-drag').boundingBox())!;
+  await swipe(page, cdp, [h.x + h.width / 2, h.y + h.height / 2], await center(page, "[data-address='A5']"));
+  for (const a of ['A3', 'A4', 'A5']) {
+    await expect(page.locator(`[data-address='${a}'] .gs-cell-rendered`)).toHaveText('2');
+  }
+});
+
+test('tapping a checkbox inside a cell still toggles it', async ({ page }) => {
+  await open(page, 'basic-sortfilter--sheet');
+  const cb = page.locator("[data-address='A2'] input[type=checkbox]");
+  const before = await cb.isChecked();
+  const b = (await cb.boundingBox())!;
+  await page.touchscreen.tap(b.x + b.width / 2, b.y + b.height / 2);
+  await page.waitForTimeout(300);
+  expect(await cb.isChecked()).toBe(!before);
+});
+
+test('inputs are at least 16px on touch devices (no iOS focus zoom)', async ({ page }) => {
+  await open(page, 'basic-large--sheet');
+  const sizes = await page.evaluate(() =>
+    ['.gs-editor textarea', '.gs-formula-bar textarea'].map((s) =>
+      parseFloat(getComputedStyle(document.querySelector(s)!).fontSize),
+    ),
+  );
+  for (const s of sizes) {
+    expect(s).toBeGreaterThanOrEqual(16);
+  }
+});
diff --git a/packages/react-core/src/components/Cell.tsx b/packages/react-core/src/components/Cell.tsx
index 3749fb7a..0105ec64 100644
--- a/packages/react-core/src/components/Cell.tsx
+++ b/packages/react-core/src/components/Cell.tsx
@@ -153,18 +153,6 @@ export const Cell: FC<Props> = memo(({ y: rowY, x: colX, merge }) => {
         return false;
       }
 
-      // Single cell selection only for touch events
-      if (e.type.startsWith('touch')) {
-        // Blur the input field to commit current value when selecting via touch
-        if (editingAnywhere && input) {
-          input.blur();
-        }
-        dispatch(choose({ y, x }));
-        dispatch(select({ startY: y, startX: x, endY: y, endX: x }));
-        return true;
-      }
-
-      // Normal drag operation for mouse events
       if (e.shiftKey) {
         dispatch(drag({ y, x }));
       } else {
@@ -417,7 +405,6 @@ export const Cell: FC<Props> = memo(({ y: rowY, x: colX, merge }) => {
         className={`gs-cell-inner-wrap`}
         style={mergeWrapStyle}
         onMouseDown={handleDragStart}
-        onTouchStart={handleDragStart}
         onMouseEnter={handleDragging}
         onMouseUp={handleDragEnd}
       >
diff --git a/packages/react-core/src/components/ColumnMenu.tsx b/packages/react-core/src/components/ColumnMenu.tsx
index a01eeaf6..08ee25eb 100644
--- a/packages/react-core/src/components/ColumnMenu.tsx
+++ b/packages/react-core/src/components/ColumnMenu.tsx
@@ -47,6 +47,7 @@ export const ColumnMenu: FC = () => {
 
   return (
     <Fixed
+      themed
       className="gs-menu-modal gs-column-menu-modal"
       onClick={(e: MouseEvent) => {
         e.preventDefault();
diff --git a/packages/react-core/src/components/ContextMenu.tsx b/packages/react-core/src/components/ContextMenu.tsx
index 7e484edc..7a9e5365 100644
--- a/packages/react-core/src/components/ContextMenu.tsx
+++ b/packages/react-core/src/components/ContextMenu.tsx
@@ -9,16 +9,56 @@ import { buildMenuContext } from '../lib/menu';
 import { MenuNodes, type MenuNode } from './MenuNodes';
 import { clampPopup } from '@gridsheet/web';
 
+const GAP = 6;
+const MARGIN = 8;
+
+// Put the menu right below the anchor, or right above it when it doesn't fit there. When it
+// fits on neither side it goes on the roomier one and scrolls, rather than covering the anchor
+// (on touch, the finger that opened it). Idempotent: it runs after every render.
+const placeAroundAnchor = (el: HTMLElement, anchorTop: number, anchorBottom: number) => {
+  el.style.maxHeight = '';
+  el.style.overflowY = '';
+  el.style.boxSizing = '';
+  const height = el.getBoundingClientRect().height;
+  const below = window.innerHeight - MARGIN - (anchorBottom + GAP);
+  const above = anchorTop - GAP - MARGIN;
+  let top = anchorBottom + GAP;
+  let maxHeight = 0;
+  if (height > below) {
+    if (height <= above) {
+      top = anchorTop - GAP - height;
+    } else if (above > below) {
+      top = MARGIN;
+      maxHeight = above;
+    } else {
+      maxHeight = below;
+    }
+  }
+  el.style.top = `${top}px`;
+  if (maxHeight) {
+    // Include the padding / border, or the menu outgrows the room and the edge clamp
+    // pushes it back over the anchor.
+    el.style.boxSizing = 'border-box';
+    el.style.maxHeight = `${maxHeight}px`;
+    el.style.overflowY = 'auto';
+  }
+};
+
 export const ContextMenu = () => {
   const { store, dispatch } = useContext(Context);
   const { contextMenuPosition, contextMenu } = store;
-  const { y: top, x: left } = contextMenuPosition;
+  const { y: top, x: left, anchorTop, anchorBottom } = contextMenuPosition;
   const menuRef = useRef<HTMLDivElement>(null);
 
   useEffect(() => {
-    if (menuRef.current) {
-      clampPopup(menuRef.current);
+    const el = menuRef.current;
+    if (!el) {
+      return;
+    }
+    if (anchorTop != null && anchorBottom != null) {
+      placeAroundAnchor(el, anchorTop, anchorBottom);
     }
+    clampPopup(el);
   });
 
   if (top === -1) {
@@ -30,6 +70,7 @@ export const ContextMenu = () => {
 
   return (
     <Fixed
+      themed
       className="gs-menu-modal gs-context-menu-modal"
       onClick={(e: MouseEvent) => {
         e.preventDefault();
diff --git a/packages/react-core/src/components/Editor.tsx b/packages/react-core/src/components/Editor.tsx
index abdab6e0..693970ce 100644
--- a/packages/react-core/src/components/Editor.tsx
+++ b/packages/react-core/src/components/Editor.tsx
@@ -786,6 +786,9 @@ export const Editor: FC<Props> = ({ mode }: Props) => {
           autoFocus={true}
           spellCheck={false}
           draggable={false}
+          // No soft keyboard for a plain tap on a touch device; a double tap starts editing
+          // and lifts this (see useTouchGestures). Desktop typing is unaffected.
+          inputMode={editing ? undefined : 'none'}
           ref={editorRef}
           rows={numLines}
           onFocus={handleFocus}
diff --git a/packages/react-core/src/components/Fixed.tsx b/packages/react-core/src/components/Fixed.tsx
index 67b9f68d..db893523 100644
--- a/packages/react-core/src/components/Fixed.tsx
+++ b/packages/react-core/src/components/Fixed.tsx
@@ -1,21 +1,106 @@
 import type { CSSProperties, FC, ReactNode } from 'react';
+import { useContext, useEffect, useRef } from 'react';
 import { useBrowser } from '../lib/hooks';
 import { createPortal } from 'react-dom';
+import { Context } from '../store';
 
 type Props = {
   className?: string;
   style?: CSSProperties;
   children: ReactNode;
+  // Carry the sheet's font and --gs-* theme tokens into the portal (menus). It renders
+  // under <body>, outside .gs-root1, so it would otherwise get the page's font and none of
+  // the tokens — including any the app overrides on .gs-root1. Also keeps touch scrolling
+  // on the menu from reaching the page / sheet beneath.
+  themed?: boolean;
   [attr: string]: any;
 };
 
-export const Fixed: FC<Props> = ({ children, style, className = '', ...attrs }) => {
+const TOKENS = [
+  '--gs-fg',
+  '--gs-muted-fg',
+  '--gs-border',
+  '--gs-surface',
+  '--gs-editor-surface',
+  '--gs-header-bg',
+  '--gs-header-fg',
+  '--gs-accent',
+];
+
+const themeOf = (root: HTMLElement | null): CSSProperties => {
+  if (!root) {
+    return {};
+  }
+  const cs = getComputedStyle(root);
+  const theme: Record<string, string> = { fontFamily: cs.fontFamily };
+  for (const token of TOKENS) {
+    const value = cs.getPropertyValue(token).trim();
+    if (value) {
+      theme[token] = value;
+    }
+  }
+  return theme as CSSProperties;
+};
+
+// A swipe on a menu overlay must not scroll what's under it. Touch scrolling only goes
+// through when it lands in a scrollable part of the menu that can still move that way;
+// otherwise iOS would scroll (or rubber-band) the page beneath, sheet included. Backs up
+// the CSS (touch-action / overscroll-behavior), which older iOS doesn't fully honor.
+const useTouchScrollLock = (enabled: boolean) => {
+  const ref = useRef<HTMLDivElement>(null);
+  useEffect(() => {
+    const el = ref.current;
+    if (!enabled || !el) {
+      return;
+    }
+    let lastY = 0;
+    const onStart = (e: TouchEvent) => {
+      lastY = e.touches[0]?.clientY ?? 0;
+    };
+    const onMove = (e: TouchEvent) => {
+      const y = e.touches[0]?.clientY ?? lastY;
+      const dy = y - lastY; // > 0: finger down, content scrolls up
+      lastY = y;
+      for (let n = e.target as HTMLElement | null; n && n !== el; n = n.parentElement) {
+        const { overflowY } = getComputedStyle(n);
+        if ((overflowY === 'auto' || overflowY === 'scroll') && n.scrollHeight > n.clientHeight) {
+          const canMove = dy > 0 ? n.scrollTop > 0 : n.scrollTop + n.clientHeight < n.scrollHeight;
+          if (canMove) {
+            return;
+          }
+          break;
+        }
+      }
+      if (e.cancelable) {
+        e.preventDefault();
+      }
+    };
+    el.addEventListener('touchstart', onStart, { passive: true });
+    el.addEventListener('touchmove', onMove, { passive: false });
+    return () => {
+      el.removeEventListener('touchstart', onStart);
+      el.removeEventListener('touchmove', onMove);
+    };
+  }, [enabled]);
+  return ref;
+};
+
+export const Fixed: FC<Props> = ({ children, style, className = '', themed = false, ...attrs }) => {
   const { document } = useBrowser();
+  const { store } = useContext(Context);
+  const lockRef = useTouchScrollLock(themed);
   if (document == null) {
     return null;
   }
+  const theme = themed ? themeOf(store?.rootRef?.current ?? null) : undefined;
   return createPortal(
-    <div {...attrs} className={`gs-fixed ${className}`} style={style}>
+    <div
+      {...attrs}
+      ref={lockRef}
+      className={`gs-fixed ${className}`}
+      style={theme ? { ...theme, ...style } : style}
+      data-mode={themed ? store?.mode : attrs['data-mode']}
+    >
       {children}
     </div>,
     document.body,
diff --git a/packages/react-core/src/components/HeaderCellLeft.tsx b/packages/react-core/src/components/HeaderCellLeft.tsx
index 66663665..c3ff088a 100644
--- a/packages/react-core/src/components/HeaderCellLeft.tsx
+++ b/packages/react-core/src/components/HeaderCellLeft.tsx
@@ -5,7 +5,6 @@ import { getLabel } from '@gridsheet/web';
 import { between, zoneToArea } from '@gridsheet/web';
 import { Context } from '../store';
 import {
-  choose,
   drag,
   select,
   selectRows,
@@ -82,17 +81,6 @@ export const HeaderCellLeft: FC<Props> = memo(({ y }) => {
         return false;
       }
 
-      // Single row selection only for touch events
-      if (e.type.startsWith('touch')) {
-        // Blur the input field to commit current value when selecting via touch
-        if (editingAnywhere && editorRef.current) {
-          editorRef.current.blur();
-        }
-        dispatch(choose({ y, x: 1 }));
-        dispatch(select({ startY: y, startX: 1, endY: y, endX: sheet.numCols }));
-        return true;
-      }
-
       // Normal drag operation for mouse events
       dispatch(select({ startY: y, startX: 1, endY: y, endX: -1 }));
       const fullAddress = `${sheet.sheetPrefix(!xSheetFocused)}${rowId}:${rowId}`;
@@ -227,7 +215,6 @@ export const HeaderCellLeft: FC<Props> = memo(({ y }) => {
       <div
         className="gs-th-inner-wrap"
         onMouseDown={handleDragStart}
-        onTouchStart={handleDragStart}
         onMouseEnter={handleDragging}
         onMouseUp={handleDragEnd}
       >
diff --git a/packages/react-core/src/components/HeaderCellTop.tsx b/packages/react-core/src/components/HeaderCellTop.tsx
index 2d5809fc..95649e39 100644
--- a/packages/react-core/src/components/HeaderCellTop.tsx
+++ b/packages/react-core/src/components/HeaderCellTop.tsx
@@ -5,7 +5,6 @@ import { getLabel } from '@gridsheet/web';
 import { between, zoneToArea } from '@gridsheet/web';
 import { Context } from '../store';
 import {
-  choose,
   drag,
   select,
   selectCols,
@@ -84,17 +83,6 @@ export const HeaderCellTop: FC<Props> = memo(({ x }) => {
         return false;
       }
 
-      // Single column selection only for touch events
-      if (e.type.startsWith('touch')) {
-        // Blur the input field to commit current value when selecting via touch
-        if (editingAnywhere && editorRef.current) {
-          editorRef.current.blur();
-        }
-        dispatch(choose({ y: 1, x }));
-        dispatch(select({ startY: 1, startX: x, endY: sheet.numRows, endX: x }));
-        return true;
-      }
-
       dispatch(select({ startY: 1, startX: x, endY: -1, endX: x }));
       const fullAddress = `${sheet.sheetPrefix(!xSheetFocused)}${colId}:${colId}`;
       if (editingAnywhere) {
@@ -254,7 +242,6 @@ export const HeaderCellTop: FC<Props> = memo(({ x }) => {
       <div
         className="gs-th-inner-wrap"
         onMouseDown={handleDragStart}
-        onTouchStart={handleDragStart}
         onMouseEnter={handleDragging}
         onMouseUp={handleDragEnd}
       >
diff --git a/packages/react-core/src/components/RowMenu.tsx b/packages/react-core/src/components/RowMenu.tsx
index bb50c792..706bcde2 100644
--- a/packages/react-core/src/components/RowMenu.tsx
+++ b/packages/react-core/src/components/RowMenu.tsx
@@ -27,6 +27,7 @@ export const RowMenu: FC = () => {
 
   return (
     <Fixed
+      themed
       className="gs-menu-modal gs-row-menu-modal"
       onClick={(e: MouseEvent) => {
         e.preventDefault();
diff --git a/packages/react-core/src/components/ScrollHandle.tsx b/packages/react-core/src/components/ScrollHandle.tsx
index 3238de0b..8ed9284a 100644
--- a/packages/react-core/src/components/ScrollHandle.tsx
+++ b/packages/react-core/src/components/ScrollHandle.tsx
@@ -7,6 +7,7 @@ import { insertRef, isFocus } from '@gridsheet/web';
 import { focus } from '@gridsheet/web';
 import { areaToRange, zoneToArea } from '@gridsheet/web';
 import { isXSheetFocused } from '../store/helpers';
+import { isTouching } from '../lib/events';
 
 type Props = {
   className?: string;
@@ -174,7 +175,10 @@ export function ScrollHandle({ style, horizontal = 0, vertical = 0, className =
     (e: React.MouseEvent) => {
       e.preventDefault();
       e.stopPropagation();
-      if (isScrolling) {
+      // Only a real drag (button held) enters a handle. Chrome also fires boundary
+      // events at the last known cursor position when the handles appear mid touch-drag
+      // (buttons = 0), which would otherwise yank the selection to this edge.
+      if (isScrolling || !isTouching(e)) {
         return;
       }
       isScrolling = true;
diff --git a/packages/react-core/src/components/Tabular.tsx b/packages/react-core/src/components/Tabular.tsx
index 61502a42..f368a723 100644
--- a/packages/react-core/src/components/Tabular.tsx
+++ b/packages/react-core/src/components/Tabular.tsx
@@ -23,6 +23,7 @@ import {
 import { p2a, stripAddressAbsolute } from '@gridsheet/web';
 import { Lexer, stripSheetName } from '@gridsheet/web';
 import { ScrollHandle } from './ScrollHandle';
+import { useTouchGestures } from './useTouchGestures';
 import { preventSafariBounce } from '@gridsheet/web';
 
 // Like Handsontable's autoInsertRow: while a fill drag reaches the last (real or provisional)
@@ -62,6 +63,8 @@ export const Tabular = () => {
   } = store;
   const sheet = sheetReactive.current;
 
+  useTouchGestures(tabularRef, store, dispatch, !!sheet?.registry.ready);
+
   const [virtualized, setVirtualized] = useState<Virtualization | null>(null);
 
   // autoExpand: provisional ghost rows/cols shown while dragging an autofill (see GHOST_INTERVAL_MS).
diff --git a/packages/react-core/src/components/useTouchGestures.ts b/packages/react-core/src/components/useTouchGestures.ts
new file mode 100644
index 00000000..9820f92e
--- /dev/null
+++ b/packages/react-core/src/components/useTouchGestures.ts
@@ -0,0 +1,533 @@
+import { useEffect, useRef } from 'react';
+import type { Dispatch, RefObject } from 'react';
+import { zoneToArea, among, focus } from '@gridsheet/web';
+
+import type { StoreType } from '../types';
+import {
+  choose,
+  select,
+  drag,
+  selectCols,
+  selectRows,
+  setDragging,
+  setAutofillDraggingTo,
+  setContextMenuPosition,
+  setColumnMenu,
+  setRowMenu,
+  setResizingPositionX,
+  setResizingPositionY,
+} from '../store/actions';
+
+// Touch gestures for the grid. The mouse handlers on Cell / HeaderCell* stay the single
+// implementation of selection & editing; this hook only decides what a touch *means* and
+// then either drives the store directly or replays it as the mouse events those handlers
+// (and StoreObserver's edge auto-scroll) already understand.
+//
+//   tap                      → select (replayed as mousedown/mouseup)
+//   double tap               → edit, with the soft keyboard
+//   long press on a cell     → context menu
+//   long press on a header   → column / row menu
+//   drag from the cursor cell or a selected header → extend the selection
+//   drag the autofill handle → autofill
+//   drag a header resizer    → resize
+//   anything else            → native scroll (no selection change)
+
+const LONG_PRESS_MS = 500;
+const MOVE_TOLERANCE = 8;
+const DOUBLE_TAP_MS = 350;
+// Dragging within this distance of the grid's edge (inside the headers for top/left)
+// auto-scrolls; a finger can't go *past* the edge when the grid fills the screen.
+const EDGE_BAND = 24;
+const EDGE_SPEED = 12;
+// A native scroll whose first movement is this much more along one axis than the other is
+// locked to that axis (like native spreadsheet apps), so a vertical swipe doesn't drift
+// sideways. Anything more diagonal scrolls freely.
+const AXIS_LOCK_RATIO = 1.5;
+// The lock outlives the finger through the momentum scroll; it ends once scrolling has
+// been quiet this long.
+const AXIS_LOCK_IDLE_MS = 150;
+
+const INTERACTIVE = 'input, textarea, select, button, a, label, [contenteditable="true"], [contenteditable=""]';
+
+type Mode =
+  | 'pending' // undecided: becomes a tap, a long press, or a native scroll
+  | 'range-pending' // started on the cursor cell: becomes a range drag on move
+  | 'header-pending' // started on a selected header: becomes a header range drag on move
+  | 'range'
+  | 'header-range'
+  | 'autofill'
+  | 'resize'
+  | 'resize-pending'
+  | 'done'; // handled (long press fired) or abandoned (scroll / multi-touch)
+
+type Point = { y: number; x: number };
+
+const pointOf = (el: Element | null): Point | null => {
+  const cell = el?.closest<HTMLElement>('.gs-cell, .gs-ghost-cell');
+  if (!cell) {
+    return null;
+  }
+  const y = Number(cell.dataset.y);
+  const x = Number(cell.dataset.x);
+  return Number.isNaN(y) || Number.isNaN(x) ? null : { y, x };
+};
+
+// The cell under a viewport point, looking through overlays such as the scroll handles.
+const cellAt = (x: number, y: number): Point | null => {
+  for (const el of document.elementsFromPoint(x, y)) {
+    const p = pointOf(el);
+    if (p) {
+      return p;
+    }
+  }
+  return null;
+};
+
+const indexOf = (el: Element | null, key: 'x' | 'y'): number | null => {
+  const v = el?.closest<HTMLElement>(`[data-${key}]`)?.dataset[key];
+  const n = Number(v);
+  return v == null || Number.isNaN(n) ? null : n;
+};
+
+const mouse = (type: string, x: number, y: number, buttons: number) =>
+  new MouseEvent(type, { bubbles: true, cancelable: true, clientX: x, clientY: y, button: 0, buttons });
+
+export const useTouchGestures = (
+  tabularRef: RefObject<HTMLDivElement>,
+  store: StoreType,
+  dispatch: Dispatch<any>,
+  // Tabular renders a placeholder until the registry is ready; attach once the grid exists.
+  ready: boolean,
+) => {
+  const latest = useRef({ store, dispatch });
+  latest.current = { store, dispatch };
+
+  useEffect(() => {
+    const el = tabularRef.current;
+    if (!el || !ready) {
+      return;
+    }
+    let lastTap = { at: 0, key: '' };
+    // Set while a touch is down (and briefly after) so the browser's own long-press
+    // contextmenu (Android) doesn't open a second menu on top of ours.
+    let touchActiveUntil = 0;
+
+    // Axis lock for native touch scrolling. The browser has none, and touch-action can't be
+    // changed once a gesture has started. Writing scrollLeft / scrollTop to undo the drift
+    // would cancel iOS's momentum scroll, so the off axis is switched off with overflow
+    // instead, and switched back once scrolling has settled.
+    let axisLock: 'x' | 'y' | null = null;
+    let axisLockTimer = 0;
+    const lockAxis = (axis: 'x' | 'y') => {
+      axisLock = axis;
+      if (axis === 'y') {
+        el.style.overflowX = 'hidden';
+      } else {
+        el.style.overflowY = 'hidden';
+      }
+    };
+    const unlockAxis = () => {
+      window.clearTimeout(axisLockTimer);
+      if (axisLock) {
+        axisLock = null;
+        el.style.overflowX = '';
+        el.style.overflowY = '';
+      }
+    };
+    const unlockWhenIdle = () => {
+      window.clearTimeout(axisLockTimer);
+      axisLockTimer = window.setTimeout(unlockAxis, AXIS_LOCK_IDLE_MS);
+    };
+    const onScroll = () => {
+      if (axisLock && touchActiveUntil !== Infinity) {
+        unlockWhenIdle(); // momentum after the finger lifted
+      }
+    };
+
+    const onTouchStart = (e: TouchEvent) => {
+      unlockAxis();
+      const target = e.target as HTMLElement;
+      if (e.touches.length !== 1 || !target?.closest || target.closest(INTERACTIVE)) {
+        return;
+      }
+      const { store: s0 } = latest.current;
+      const sheet = s0.sheetReactive.current;
+      if (!sheet) {
+        return;
+      }
+      const t0 = e.touches[0];
+      const start = { x: t0.clientX, y: t0.clientY };
+      let last = start;
+      let mode: Mode = 'pending';
+      let lastKey = '';
+      touchActiveUntil = Infinity;
+
+      const resizer = target.closest('.gs-resizer');
+      const th = target.closest<HTMLElement>('.gs-th');
+      const isTop = !!th?.classList.contains('gs-th-top');
+      const editing = !!(sheet.registry.editingAddress || s0.editingAddress);
+      if (resizer) {
+        mode = resizer.classList.contains('gs-protected') ? 'done' : 'resize-pending';
+      } else if (target.closest('.gs-autofill-drag')) {
+        const p = pointOf(target);
+        if (p) {
+          mode = 'autofill';
+          const { dispatch: d } = latest.current;
+          d(setAutofillDraggingTo(p));
+          d(setDragging(true));
+        }
+      } else if (th) {
+        if (th.classList.contains('gs-th-selecting') && !editing) {
+          mode = 'header-pending';
+        }
+      } else if (target.closest('.gs-cell.gs-choosing') && !editing) {
+        mode = 'range-pending';
+      }
+
+      // Feedback while holding: the pressed cell / header tints up over the long-press time
+      // (CSS, after a short delay so a quick tap or swipe doesn't flash).
+      const pressed =
+        mode === 'pending' || mode === 'range-pending' || mode === 'header-pending'
+          ? target.closest<HTMLElement>('.gs-cell, .gs-th')
+          : null;
+      pressed?.classList.add('gs-pressing');
+      const release = () => pressed?.classList.remove('gs-pressing');
+
+      const longPress =
+        // A resizer is thin and near the header middle; holding it still is a long press too.
+        mode === 'pending' || mode === 'range-pending' || mode === 'header-pending' || mode === 'resize-pending'
+          ? window.setTimeout(() => {
+              mode = 'done';
+              release();
+              try {
+                navigator.vibrate?.(10); // Android; iOS has no web haptics
+              } catch {
+                // vibrate can throw when blocked by permissions policy
+              }
+              openMenu(target, start);
+            }, LONG_PRESS_MS)
+          : 0;
+
+      // Listen on the target itself: a virtualized row can be unmounted mid-drag, and
+      // touch events keep targeting the detached node, so they'd never bubble to `el`.
+      let raf = 0;
+      const cleanup = () => {
+        window.clearTimeout(longPress);
+        release();
+        cancelAnimationFrame(raf);
+        target.removeEventListener('touchmove', onMove);
+        target.removeEventListener('touchend', onEnd);
+        target.removeEventListener('touchcancel', onCancel);
+        touchActiveUntil = performance.now() + 600;
+        if (axisLock) {
+          unlockWhenIdle();
+        }
+      };
+
+      // Extend the range / autofill to the cell under the finger (clamped into the cells).
+      const extend = () => {
+        const { store: s, dispatch: d } = latest.current;
+        const sh = s.sheetReactive.current;
+        if (!sh) {
+          return;
+        }
+        const r = el.getBoundingClientRect();
+        const x = Math.min(Math.max(last.x, r.left + sh.headerWidth + 1), r.right - 1);
+        const y = Math.min(Math.max(last.y, r.top + sh.headerHeight + 1), r.bottom - 1);
+        const p = cellAt(x, y);
+        if (p && `${p.y}:${p.x}` !== lastKey) {
+          lastKey = `${p.y}:${p.x}`;
+          d(mode === 'autofill' ? setAutofillDraggingTo(p) : drag(p));
+        }
+      };
+
+      // While the finger rests near an edge, keep scrolling and extending.
+      const edgeScroll = () => {
+        raf = 0;
+        const sh = latest.current.store.sheetReactive.current;
+        if ((mode !== 'range' && mode !== 'autofill') || !sh) {
+          return;
+        }
+        const r = el.getBoundingClientRect();
+        const dy =
+          last.y > r.bottom - EDGE_BAND ? EDGE_SPEED : last.y < r.top + sh.headerHeight + EDGE_BAND ? -EDGE_SPEED : 0;
+        const dx =
+          last.x > r.right - EDGE_BAND ? EDGE_SPEED : last.x < r.left + sh.headerWidth + EDGE_BAND ? -EDGE_SPEED : 0;
+        if (!dy && !dx) {
+          return;
+        }
+        el.scrollTop += dy;
+        el.scrollLeft += dx;
+        extend();
+        raf = requestAnimationFrame(edgeScroll);
+      };
+
+      const onMove = (ev: TouchEvent) => {
+        const t = ev.touches[0];
+        if (!t || ev.touches.length > 1) {
+          return;
+        }
+        last = { x: t.clientX, y: t.clientY };
+        const moved = Math.hypot(last.x - start.x, last.y - start.y) > MOVE_TOLERANCE;
+        const { store: s, dispatch: d } = latest.current;
+        const sh = s.sheetReactive.current;
+        if (moved) {
+          window.clearTimeout(longPress);
+          release();
+        }
+        if (!sh) {
+          return;
+        }
+        switch (mode) {
+          case 'pending':
+            if (moved) {
+              mode = 'done'; // native scroll
+              const dx = Math.abs(last.x - start.x);
+              const dy = Math.abs(last.y - start.y);
+              if (dy > dx * AXIS_LOCK_RATIO) {
+                lockAxis('y');
+              } else if (dx > dy * AXIS_LOCK_RATIO) {
+                lockAxis('x');
+              }
+            }
+            return;
+          case 'range-pending': {
+            if (!moved) {
+              return;
+            }
+            const p = pointOf(target);
+            if (!p) {
+              mode = 'done';
+              return;
+            }
+            mode = 'range';
+            d(select({ startY: p.y, startX: p.x, endY: -1, endX: -1 }));
+            d(setDragging(true));
+            break;
+          }
+          case 'header-pending':
+            if (!moved) {
+              return;
+            }
+            mode = 'header-range';
+            break;
+          case 'resize-pending': {
+            if (!moved) {
+              return;
+            }
+            const idx = indexOf(target, isTop ? 'x' : 'y');
+            if (idx == null) {
+              mode = 'done';
+              return;
+            }
+            mode = 'resize';
+            if (isTop) {
+              d(setResizingPositionX([idx, start.x, start.x]));
+            } else {
+              d(setResizingPositionY([idx, start.y, start.y]));
+            }
+            break;
+          }
+        }
+        if (mode === 'done') {
+          return;
+        }
+        ev.preventDefault();
+        const under = document.elementFromPoint(last.x, last.y);
+        if (mode === 'resize') {
+          // The overlay (Resizer) owns the clamping and the commit; drive it like a mouse.
+          s.mainRef.current?.querySelector('.gs-resizing')?.dispatchEvent(mouse('mousemove', last.x, last.y, 1));
+          return;
+        }
+        if (mode === 'header-range') {
+          const { startY, startX } = s.selectingZone;
+          if (isTop) {
+            const x = indexOf(under, 'x');
+            if (x != null && x >= 1 && String(x) !== lastKey) {
+              lastKey = String(x);
+              d(drag(startY === 1 ? { y: sh.numRows, x } : { y: 1, x }));
+            }
+          } else {
+            const y = indexOf(under, 'y');
+            if (y != null && y >= 1 && String(y) !== lastKey) {
+              lastKey = String(y);
+              d(drag(startX === 1 ? { y, x: sh.numCols } : { y, x: 1 }));
+            }
+          }
+          return;
+        }
+        // range / autofill
+        extend();
+        if (!raf) {
+          raf = requestAnimationFrame(edgeScroll);
+        }
+      };
+
+      const onEnd = (ev: TouchEvent) => {
+        cleanup();
+        const { store: s } = latest.current;
+        switch (mode) {
+          case 'range':
+          case 'autofill':
+            // StoreObserver's mouseup handler submits the autofill and clears `dragging`.
+            ev.preventDefault();
+            window.dispatchEvent(mouse('mouseup', last.x, last.y, 0));
+            return;
+          case 'resize':
+            ev.preventDefault();
+            s.mainRef.current?.querySelector('.gs-resizing')?.dispatchEvent(mouse('mouseup', last.x, last.y, 0));
+            return;
+          case 'header-range':
+          case 'done':
+            // Swallow the emulated mouse events of a long press / drag.
+            if (ev.cancelable) {
+              ev.preventDefault();
+            }
+            return;
+          case 'resize-pending':
+          case 'pending':
+          case 'range-pending':
+          case 'header-pending':
+            if (!ev.cancelable) {
+              return; // the browser already treated it as a scroll
+            }
+            ev.preventDefault();
+            tap(target, start);
+        }
+      };
+
+      // The system took the touch over (e.g. a gesture or an incoming call): end a drag
+      // where it is, drop a resize.
+      const onCancel = () => {
+        cleanup();
+        const { dispatch: d } = latest.current;
+        if (mode === 'range' || mode === 'autofill') {
+          window.dispatchEvent(mouse('mouseup', last.x, last.y, 0));
+        } else if (mode === 'resize') {
+          d(setResizingPositionX([-1, -1, -1]));
+          d(setResizingPositionY([-1, -1, -1]));
+        }
+      };
+
+      target.addEventListener('touchmove', onMove, { passive: false });
+      target.addEventListener('touchend', onEnd, { passive: false });
+      target.addEventListener('touchcancel', onCancel);
+    };
+
+    // A tap is replayed as a mouse click so it goes through exactly the mouse path
+    // (selection, formula ref insertion while editing, header selection). Done by hand
+    // rather than relying on the browser's emulated mouse events, which iOS only fires
+    // for elements it considers clickable.
+    const tap = (target: HTMLElement, at: { x: number; y: number }) => {
+      const p = pointOf(target);
+      const key = p ? `${p.y}:${p.x}` : '';
+      const now = performance.now();
+      const isDouble = !!p && key === lastTap.key && now - lastTap.at < DOUBLE_TAP_MS;
+      lastTap = { at: isDouble ? 0 : now, key };
+      if (isDouble) {
+        startEditing();
+        return;
+      }
+      // A tap on a resizer selects the header instead of starting a resize.
+      const el = target.closest('.gs-resizer')?.closest<HTMLElement>('.gs-th-inner-wrap') ?? target;
+      el.dispatchEvent(mouse('mousedown', at.x, at.y, 1));
+      el.dispatchEvent(mouse('mouseup', at.x, at.y, 0));
+    };
+
+    const startEditing = () => {
+      const input = latest.current.store.editorRef.current;
+      if (!input) {
+        return;
+      }
+      // The editor keeps inputmode="none" while not editing so a plain tap doesn't pop up
+      // the soft keyboard. Lift it and re-focus within this touch (a user gesture) so the
+      // keyboard does open, then enter edit mode through the editor's dblclick handler.
+      input.removeAttribute('inputmode');
+      input.blur();
+      focus(input);
+      input.dispatchEvent(new MouseEvent('dblclick', { bubbles: true, cancelable: true }));
+    };
+
+    const openMenu = (target: HTMLElement, at: { x: number; y: number }) => {
+      const { store: s, dispatch: d } = latest.current;
+      const sheet = s.sheetReactive.current;
+      if (!sheet) {
+        return;
+      }
+      const th = target.closest<HTMLElement>('.gs-th');
+      if (th) {
+        const inner = th.querySelector('.gs-th-inner') ?? th;
+        const rect = inner.getBoundingClientRect();
+        const { selectingZone: z } = s;
+        if (th.classList.contains('gs-th-top')) {
+          const x = indexOf(th, 'x');
+          if (x == null) {
+            return;
+          }
+          if (th.querySelector('.gs-column-menu-btn')) {
+            const selected = x >= Math.min(z.startX, z.endX) && x <= Math.max(z.startX, z.endX) && z.startY === 1;
+            if (!selected || z.endY !== sheet.numRows) {
+              d(selectCols({ range: { start: x, end: x }, numRows: sheet.numRows }));
+            }
+            d(setColumnMenu({ x, position: { y: rect.bottom, x: rect.left } }));
+            return;
+          }
+        } else {
+          const y = indexOf(th, 'y');
+          if (y == null) {
+            return;
+          }
+          if (th.querySelector('.gs-row-menu-btn')) {
+            const selected = y >= Math.min(z.startY, z.endY) && y <= Math.max(z.startY, z.endY) && z.startX === 1;
+            if (!selected || z.endX !== sheet.numCols) {
+              d(selectRows({ range: { start: y, end: y }, numCols: sheet.numCols }));
+            }
+            d(setRowMenu({ y, position: { y: rect.bottom, x: rect.right } }));
+            return;
+          }
+        }
+        if (s.contextMenu.length > 0) {
+          d(setContextMenuPosition(anchored(th, at)));
+        }
+        return;
+      }
+      const p = pointOf(target);
+      if (!p || s.contextMenu.length === 0) {
+        return;
+      }
+      // Like a right click on desktop spreadsheets: act on the pressed cell unless it's
+      // already part of the selection.
+      const area = zoneToArea(s.selectingZone);
+      const inSelection = (area.bottom !== -1 && among(area, p)) || (s.choosing.y === p.y && s.choosing.x === p.x);
+      if (!inSelection) {
+        d(choose(p));
+        d(select({ startY: p.y, startX: p.x, endY: p.y, endX: p.x }));
+      }
+      d(setContextMenuPosition(anchored(target.closest('.gs-cell') ?? target, at)));
+    };
+
+    // Open next to the pressed element rather than at the finger, where the finger would
+    // cover the menu (see ContextMenu for the above / below choice).
+    const anchored = (anchor: Element, at: { x: number; y: number }) => {
+      const r = anchor.getBoundingClientRect();
+      return { y: r.bottom, x: Math.max(8, at.x - 40), anchorTop: r.top, anchorBottom: r.bottom };
+    };
+
+    const onContextMenu = (e: MouseEvent) => {
+      if (performance.now() < touchActiveUntil) {
+        e.preventDefault();
+        e.stopPropagation();
+      }
+    };
+
+    el.addEventListener('touchstart', onTouchStart, { passive: true });
+    el.addEventListener('scroll', onScroll, { passive: true });
+    el.addEventListener('contextmenu', onContextMenu, true);
+    return () => {
+      unlockAxis();
+      el.removeEventListener('touchstart', onTouchStart);
+      el.removeEventListener('scroll', onScroll);
+      el.removeEventListener('contextmenu', onContextMenu, true);
+    };
+  }, [tabularRef, ready]);
+};
diff --git a/packages/react-core/src/store/actions.ts b/packages/react-core/src/store/actions.ts
index 664d360a..0c0f2e6f 100644
--- a/packages/react-core/src/store/actions.ts
+++ b/packages/react-core/src/store/actions.ts
@@ -298,7 +298,7 @@ class SubmitAutofillAction<T extends PointType> extends CoreAction<T> {
 }
 export const submitAutofill = new SubmitAutofillAction().bind();
 
-class SetContextMenuPositionAction<T extends PositionType> extends CoreAction<T> {
+class SetContextMenuPositionAction<T extends StoreType['contextMenuPosition']> extends CoreAction<T> {
   reduce(store: StoreType, payload: T): StoreWithCallback {
     return {
       ...store,
diff --git a/packages/react-core/src/types.ts b/packages/react-core/src/types.ts
index 62f741a4..fe2b00aa 100644
--- a/packages/react-core/src/types.ts
+++ b/packages/react-core/src/types.ts
@@ -171,7 +171,9 @@ export type StoreType = {
   matchingCells: string[];
   matchingCellIndex: number;
   editingOnEnter: boolean;
-  contextMenuPosition: PositionType;
+  // anchorTop / anchorBottom: the element the menu was opened from (a long-pressed cell).
+  // The menu goes below anchorBottom, or above anchorTop when it doesn't fit, never over it.
+  contextMenuPosition: PositionType & { anchorTop?: number; anchorBottom?: number };
   contextMenu: ContextMenuItemDescriptor[];
   rowMenu: RowMenuItemDescriptor[];
   colMenu: ColMenuItemDescriptor[];
diff --git a/packages/web/src/lib/dom.ts b/packages/web/src/lib/dom.ts
index d0ca2375..ea742f5f 100644
--- a/packages/web/src/lib/dom.ts
+++ b/packages/web/src/lib/dom.ts
@@ -6,8 +6,12 @@ const isSafari = (): boolean =>
   typeof navigator !== 'undefined' && /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
 
 /**
- * Prevents Safari elastic bounce (rubber-band) at scroll boundaries.
- * No-op on non-Safari browsers. Returns a cleanup function to remove the listeners.
+ * Prevents Safari elastic bounce (rubber-band) at scroll boundaries for wheel / trackpad
+ * scrolling. No-op on non-Safari browsers. Returns a cleanup function to remove the listeners.
+ *
+ * Touch scrolling is deliberately left native: cancelling a touchmove at an edge makes iOS
+ * drop the whole gesture, so a swipe that drifts even slightly toward an edge the grid is
+ * already at (e.g. right/down at the initial top-left) wouldn't scroll at all.
  */
 export const preventSafariBounce = (el: HTMLDivElement): (() => void) => {
   if (!isSafari()) {
@@ -25,39 +29,9 @@ export const preventSafariBounce = (el: HTMLDivElement): (() => void) => {
     }
   };
 
-  let touchStartX = 0;
-  let touchStartY = 0;
-
-  const onTouchStart = (e: TouchEvent) => {
-    if (e.touches.length === 1) {
-      touchStartX = e.touches[0].clientX;
-      touchStartY = e.touches[0].clientY;
-    }
-  };
-
-  const preventTouchBounce = (e: TouchEvent) => {
-    if (e.touches.length !== 1) {
-      return;
-    }
-    const { scrollTop, scrollHeight, clientHeight, scrollLeft, scrollWidth, clientWidth } = el;
-    const dx = e.touches[0].clientX - touchStartX;
-    const dy = e.touches[0].clientY - touchStartY;
-    const atTop = dy > 0 && scrollTop <= 0;
-    const atBottom = dy < 0 && scrollTop + clientHeight >= scrollHeight;
-    const atLeft = dx > 0 && scrollLeft <= 0;
-    const atRight = dx < 0 && scrollLeft + clientWidth >= scrollWidth;
-    if (atTop || atBottom || atLeft || atRight) {
-      e.preventDefault();
-    }
-  };
-
   el.addEventListener('wheel', preventBounce, { passive: false });
-  el.addEventListener('touchstart', onTouchStart, { passive: true });
-  el.addEventListener('touchmove', preventTouchBounce, { passive: false });
 
   return () => {
     el.removeEventListener('wheel', preventBounce);
-    el.removeEventListener('touchstart', onTouchStart);
-    el.removeEventListener('touchmove', preventTouchBounce);
   };
 };
diff --git a/packages/web/src/styles/menu.less b/packages/web/src/styles/menu.less
index 64b5716e..5bbbd9b0 100644
--- a/packages/web/src/styles/menu.less
+++ b/packages/web/src/styles/menu.less
@@ -9,7 +9,7 @@
 .gs-menu-container() {
   z-index: 12;
   position: fixed;
-  background-color: #ffffff;
+  background-color: var(--gs-editor-surface, #ffffff);
   padding: 5px 0;
   border-radius: 5px;
   box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px,
@@ -20,10 +20,23 @@
   &:hover {
     opacity: 1;
   }
+
+  // Form controls don't inherit the font / text color by default.
+  input,
+  select,
+  textarea,
+  button {
+    font-family: inherit;
+  }
+  input,
+  select,
+  textarea {
+    color: inherit;
+  }
 }
 
 .gs-menu-ul() {
-  color: #555555;
+  color: var(--gs-fg, #1f2328);
   margin: 0;
   padding: 0;
 }
@@ -34,7 +47,7 @@
 }
 
 .gs-menu-divider {
-  background-color: #aaaaaa;
+  background-color: var(--gs-border, #e3e6ea);
   padding: 0;
   margin: 5px 0;
   height: 1px;
@@ -94,7 +107,7 @@
     cursor: pointer;
 
     &:hover {
-      background-color: #eeeeee;
+      background-color: color-mix(in srgb, var(--gs-fg, #1f2328) 7%, transparent);
     }
   }
 
@@ -129,7 +142,7 @@
   .gs-menu-container();
   min-width: 200px;
   margin: 0;
-  color: #555555;
+  color: var(--gs-fg, #1f2328);
   opacity: 1;
   list-style-type: none;
 }
@@ -137,7 +150,7 @@
 .gs-menu-shortcut {
   font-size: 10px;
   line-height: 20px;
-  color: #999999;
+  color: var(--gs-muted-fg, #6b7280);
 
   &:before {
     content: "( ";
@@ -174,12 +187,12 @@
       border-radius: 3px;
       background-color: rgba(180, 180, 180, 0.1);
       cursor: pointer;
-      color: #555;
+      color: var(--gs-fg, #1f2328);
       font-weight: bold;
       letter-spacing: 0.5px;
 
       &:hover:not(:disabled) {
-        border-color: #555;
+        border-color: var(--gs-muted-fg, #6b7280);
       }
 
       &:disabled {
@@ -204,7 +217,7 @@
     font-size: 13px;
     padding: 4px 6px;
     border: none;
-    border-bottom: 1px solid #ccc;
+    border-bottom: 1px solid color-mix(in srgb, var(--gs-fg, #1f2328) 25%, transparent);
     border-radius: 0;
     outline: none;
     min-width: 0;
@@ -226,12 +239,12 @@
     border-radius: 3px;
     background-color: rgba(180, 180, 180, 0.1);
     cursor: pointer;
-    color: #555;
+    color: var(--gs-fg, #1f2328);
     font-weight: bold;
     letter-spacing: 0.5px;
 
     &:hover:not(:disabled) {
-      border-color: #555;
+      border-color: var(--gs-muted-fg, #6b7280);
     }
 
     &:disabled {
@@ -258,11 +271,11 @@
       border-radius: 3px;
       background-color: rgba(180, 180, 180, 0.1);
       cursor: pointer;
-      color: #555;
+      color: var(--gs-fg, #1f2328);
       letter-spacing: 1px;
 
       &:hover {
-        border-color: #555;
+        border-color: var(--gs-muted-fg, #6b7280);
       }
     }
   }
@@ -279,7 +292,7 @@
       font-size: 11px;
       font-weight: bold;
       letter-spacing: 0.5px;
-      color: #888;
+      color: var(--gs-muted-fg, #6b7280);
       cursor: pointer;
       user-select: none;
 
@@ -318,10 +331,10 @@
     font-size: 12px;
     padding: 4px 4px;
     border: none;
-    border-bottom: 1px solid #ccc;
+    border-bottom: 1px solid color-mix(in srgb, var(--gs-fg, #1f2328) 25%, transparent);
     border-radius: 0;
     outline: none;
-    background-color: #fff;
+    background-color: var(--gs-editor-surface, #fff);
     box-shadow: none;
     min-width: 40px;
     max-width: 80px;
@@ -339,7 +352,7 @@
     font-size: 13px;
     padding: 4px 6px;
     border: none;
-    border-bottom: 1px solid #ccc;
+    border-bottom: 1px solid color-mix(in srgb, var(--gs-fg, #1f2328) 25%, transparent);
     border-radius: 0;
     outline: none;
     min-width: 0;
@@ -361,7 +374,7 @@
     border-radius: 3px;
     background-color: transparent;
     cursor: pointer;
-    color: #999;
+    color: var(--gs-muted-fg, #6b7280);
     line-height: 1;
     flex-shrink: 0;
 
@@ -444,14 +457,14 @@
   .gs-waiting-message {
     font-size: 13px;
     font-weight: bold;
-    color: #555;
+    color: var(--gs-fg, #1f2328);
     letter-spacing: 0.5px;
   }
 
   .gs-waiting-spinner {
     width: 24px;
     height: 24px;
-    border: 3px solid #e0e0e0;
+    border: 3px solid var(--gs-border, #e0e0e0);
     border-top-color: var(--gs-accent, #2563eb);
     border-radius: 50%;
     animation: spin 0.8s linear infinite;
diff --git a/packages/web/src/styles/minified.ts b/packages/web/src/styles/minified.ts
index 2f576a7c..8604b0ec 100644
--- a/packages/web/src/styles/minified.ts
+++ b/packages/web/src/styles/minified.ts
@@ -1,3 +1,3 @@
 // pnpm generate-style
-export const LAST_MODIFIED = 1791034553;
-export const CSS = `.gs-root1{display:inline-block;position:relative;border-spacing:0;width:fit-content;max-width:100%;overflow:auto;font-family:"SF Pro Text","SF Pro Icons","Helvetica Neue",Helvetica,Arial,Meiryo,sans-serif;visibility:hidden;opacity:0}.gs-root1.gs-initialized{visibility:visible;opacity:1;transition:opacity .2s ease-in-out}.gs-root1 .gs-main{flex:1;max-width:100%;overflow:hidden;position:relative;box-sizing:border-box;-webkit-box-sizing:border-box;-moz-box-sizing:border-box}.gs-root1 .gs-resizing{width:100%;height:100%;position:absolute;background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 8%,transparent);top:0;left:0;z-index:2}.gs-root1 .gs-line-horizontal{width:100%}.gs-root1 .gs-line-vertical{height:100%}.gs-root1 .gs-line{position:relative;top:0;left:0;border:dotted 1px var(--gs-accent,#2563eb);box-sizing:border-box}.gs-root1 .gs-line span{font-size:10px;padding:3px;background-color:var(--gs-accent,#2563eb);color:#fff;margin:0;position:absolute;top:0;left:0}.gs-root1 .gs-scroll-handle{width:100%;height:100%;cursor:cell}.gs-hidden{visibility:hidden;position:absolute;top:0;left:0;width:0;height:0;overflow:hidden;pointer-events:none;z-index:-1}.gs-fixed{position:fixed;top:0;left:0;z-index:1}:where(.gs-root1[data-mode=light],.gs-editor[data-mode=light]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb}.gs-root1{background-color:var(--gs-bg);color:var(--gs-fg)}.gs-root1 .gs-main{background-color:var(--gs-canvas)}.gs-root1 .gs-tabular{background-color:var(--gs-canvas)}.gs-root1 .gs-sheet-body-data{background-color:var(--gs-surface)}.gs-root1 .gs-formula-bar{background-color:var(--gs-header-bg)}.gs-root1 .gs-formula-bar-editor-inner{color:var(--gs-fg)}.gs-root1 .gs-cell{border:solid 1px var(--gs-border)}.gs-root1 .gs-adjuster{background-color:var(--gs-border)}.gs-root1 .gs-tabular-inner{background-color:var(--gs-border)}.gs-root1 .gs-large-editor textarea{color:var(--gs-fg);caret-color:var(--gs-fg)}.gs-root1 .gs-th{background-color:var(--gs-header-bg);color:var(--gs-header-fg)}.gs-root1 .gs-th-top{border-left:solid 1px var(--gs-border)}.gs-root1 .gs-th-top .gs-th-inner{border-top:solid var(--gs-mx-bt,1px) var(--gs-border)}.gs-root1 .gs-th-left{border-top:solid 1px var(--gs-border)}.gs-root1 .gs-th-left .gs-th-inner{border-left:solid var(--gs-mx-bl,1px) var(--gs-border)}.gs-root1 .gs-search-bar{color:color-mix(in srgb,var(--gs-fg) 40%,transparent)}.gs-root1 .gs-search-bar textarea{color:var(--gs-fg);caret-color:var(--gs-fg)}.gs-editor.gs-editing textarea{caret-color:var(--gs-fg)}.gs-editor.gs-editing .gs-editor-hl{background-color:var(--gs-editor-surface);color:var(--gs-fg)}.gs-editor .gs-editor-options{color:var(--gs-fg);background-color:var(--gs-editor-surface);border:solid 1px var(--gs-border)}:where(.gs-root1[data-mode=dark],.gs-editor[data-mode=dark]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6}:where(.gs-root1[data-mode=auto],.gs-editor[data-mode=auto]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb}@media (prefers-color-scheme:dark){:where(.gs-root1[data-mode=auto],.gs-editor[data-mode=auto]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6}}:where(.gs-root1[data-mode=inherit-light],.gs-editor[data-mode=inherit-light]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb;--gs-bg:transparent;--gs-canvas:transparent;--gs-surface:transparent;--gs-header-bg:transparent}:where(.gs-root1[data-mode=inherit-dark],.gs-editor[data-mode=inherit-dark]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6;--gs-bg:transparent;--gs-canvas:transparent;--gs-surface:transparent;--gs-header-bg:transparent}.gs-root1[data-mode=inherit-dark] .gs-adjuster,.gs-root1[data-mode=inherit-dark] .gs-tabular-inner,.gs-root1[data-mode=inherit-light] .gs-adjuster,.gs-root1[data-mode=inherit-light] .gs-tabular-inner{background-color:transparent}.gs-root1[data-mode=inherit-light] .gs-th{background-color:rgba(128,128,128,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.gs-root1[data-mode=inherit-dark] .gs-th{background-color:rgba(128,128,128,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.gs-root1[data-gridlines=horizontal] .gs-cell{border-left-color:transparent;border-right-color:transparent}.gs-root1[data-gridlines=none] .gs-cell{border-color:transparent}.gs-root1[data-density=comfortable] .gs-cell-rendered{padding:0 10px}.gs-cell{transition:border-color .2s ease;padding:0;margin:0;box-sizing:border-box;position:relative;font-size:13px;letter-spacing:1px;line-height:24px;cursor:cell;user-select:none;-webkit-user-select:none;-moz-user-select:none}.gs-cell.gs-copying textarea:focus{outline:solid 1px var(--gs-accent,#2563eb)}.gs-cell.gs-selecting{z-index:1;background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 7%,transparent)}.gs-cell.gs-selecting .gs-cell-label{display:block}.gs-cell.gs-choosing{margin-top:-1px;margin-left:-1px;z-index:1}.gs-cell.gs-choosing.gs-editing{color:transparent}.gs-cell.gs-choosing .gs-cell-label{display:block}.gs-cell.gs-pending .gs-cell-rendered{position:relative;overflow:hidden}.gs-cell.gs-pending .gs-cell-rendered::after{content:'';position:absolute;bottom:0;left:0;height:4px;width:40%;border-radius:1px;background:color-mix(in srgb,var(--gs-accent,#2563eb) 65%,transparent);animation:gs-pending-slide 1.4s ease-in-out infinite}.gs-cell .gs-formula-error-triangle{position:absolute;top:0;right:0;border-top:4px solid rgba(200,0,0,.9);border-right:4px solid rgba(200,0,0,.9);border-bottom:4px solid transparent;border-left:4px solid transparent;z-index:2;cursor:help}.gs-cell .gs-cell-label{font-size:10px;font-weight:500;font-style:normal;font-family:inherit;letter-spacing:.2px;line-height:1.4;position:absolute;top:0;right:0;background-color:var(--gs-accent,#2563eb);color:#fff;padding:1px 5px;border-bottom-left-radius:4px;display:none;opacity:.92}.gs-cell .gs-cell-inner-wrap{width:100%;height:100%;position:absolute;top:0;left:0}.gs-cell .gs-cell-inner{width:100%;height:100%;overflow:hidden;display:flex;box-sizing:border-box;border:none!important}.gs-cell .gs-cell-rendered{overflow:hidden;white-space:pre-wrap;cursor:cell;word-wrap:break-word;word-break:break-all;padding:0 6px;width:100%;height:100%}.gs-cell .gs-cell-rendered>*{position:relative}.gs-cell .gs-cell-rendered>.backface{z-index:0}.gs-cell .gs-autofill-drag{background-color:var(--gs-accent,#2563eb);position:absolute;width:7px;height:7px;bottom:0;right:0;cursor:crosshair;z-index:1}.gs-cell.gs-merged-host{z-index:1}.gs-cell.gs-merged-host.gs-selecting{background-color:transparent}.gs-cell.gs-merged-host.gs-selecting .gs-cell-inner-wrap{background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 7%,transparent)}.gs-cell.gs-merged-covered{z-index:0}.gs-th[data-x="1"] .gs-th-inner-wrap{border-left:none}.gs-th[data-y="1"] .gs-th-inner-wrap{border-top:none}.gs-formula-error-tooltip{position:fixed;background-color:rgba(35,8,8,.94);color:#fff;padding:6px 10px;border-radius:4px;border-left:3px solid rgba(220,50,50,.8);font-size:12px;line-height:1.5;max-width:260px;white-space:pre-wrap;word-break:break-word;box-shadow:0 3px 10px rgba(0,0,0,.4);z-index:100;pointer-events:none;letter-spacing:.3px}.gs-menu-modal{width:100%;height:100vh;z-index:12}.gs-label-input-label{font-size:13px;letter-spacing:1px}.gs-menu-divider{background-color:#aaa;padding:0;margin:5px 0;height:1px;list-style-type:none}.gs-menu-btn{position:absolute;background-color:rgba(128,128,128,.3);border:1px solid #ccc;border-radius:50%;cursor:pointer;font-size:12px;font-weight:700;line-height:1;color:#888;width:18px;height:18px;padding:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s ease;z-index:2}.gs-context-menu{z-index:12;position:fixed;background-color:#fff;padding:5px 0;border-radius:5px;box-shadow:rgba(60,64,67,.3) 0 1px 2px 0,rgba(60,64,67,.15) 0 1px 3px 1px;opacity:.9;transition:opacity .15s ease}.gs-context-menu:hover{opacity:1}.gs-context-menu .gs-menu-items{color:#555;margin:0;padding:0;min-width:250px}.gs-menu-item{padding:5px 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.gs-fn-guide-category,.gs-editor[data-mode=dark] .gs-fn-guide-category,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category{background:#2a2d3e;color:#7986cb;border-color:#3d4166}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-math,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-math,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-math,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-math{background:#0d2137;color:#64b5f6;border-color:#1a3a5c}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-statistics,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-statistics,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-statistics,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-statistics{background:#0d2218;color:#66bb6a;border-color:#1a3d2a}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-text,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-text,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-text,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-text{background:#2e2200;color:#ffd54f;border-color:#4d3900}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-time,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-time,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-time,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-time{background:#2d0d1e;color:#f48fb1;border-color:#4d1a33}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-lookup,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-lookup,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-lookup,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-lookup{background:#260d33;color:#ce93d8;border-color:#3d1a54}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-logical,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-logical,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-logical,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-logical{background:#0d2421;color:#4db6ac;border-color:#1a3d39}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-information,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-information,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-information,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-information{background:#0d2426;color:#4dd0e1;border-color:#1a3d40}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-finance,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-finance,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-finance,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-finance{background:#2e1500;color:#ffb74d;border-color:#4d2800}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-engineering,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-engineering,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-engineering,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-engineering{background:#1e1714;color:#bcaaa4;border-color:#332c28}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-ai,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-ai,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-ai,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-ai{background:#10142e;color:#7986cb;border-color:#232a52}.gs-editor-portal[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-other,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-other,.gs-editor[data-mode=dark] .gs-fn-guide-category.gs-fn-guide-category-other,.gs-editor[data-mode=inherit-dark] .gs-fn-guide-category.gs-fn-guide-category-other{background:#1e1e1e;color:#9e9e9e;border-color:#333}.gs-editor-portal[data-mode=dark] .gs-fn-guide2,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide2,.gs-editor[data-mode=dark] .gs-fn-guide2,.gs-editor[data-mode=inherit-dark] .gs-fn-guide2{background:#252526;border-color:#454545;box-shadow:0 4px 12px rgba(0,0,0,.5);color:#ccc}.gs-editor-portal[data-mode=dark] .gs-fn-guide2-name,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide2-name,.gs-editor[data-mode=dark] .gs-fn-guide2-name,.gs-editor[data-mode=inherit-dark] .gs-fn-guide2-name{color:#dfdbdb;background:#333;border-color:#444}.gs-editor-portal[data-mode=dark] .gs-fn-guide2 .gs-active-arg,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide2 .gs-active-arg,.gs-editor[data-mode=dark] .gs-fn-guide2 .gs-active-arg,.gs-editor[data-mode=inherit-dark] .gs-fn-guide2 .gs-active-arg{color:#fff;background-color:#094771}.gs-editor-portal[data-mode=dark] .gs-fn-guide2-arg-type,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide2-arg-type,.gs-editor[data-mode=dark] .gs-fn-guide2-arg-type,.gs-editor[data-mode=inherit-dark] .gs-fn-guide2-arg-type{background:#094771;color:#4fc1ff}.gs-editor-portal[data-mode=dark] .gs-fn-guide2-desc,.gs-editor-portal[data-mode=inherit-dark] .gs-fn-guide2-desc,.gs-editor[data-mode=dark] .gs-fn-guide2-desc,.gs-editor[data-mode=inherit-dark] .gs-fn-guide2-desc{color:#aaa;border-top-color:#333}.gs-fn-guide2{position:fixed;left:0;background:#fff;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 16px rgba(0,0,0,.12);border-radius:6px;padding:12px 16px;width:280px;z-index:1000;cursor:default;white-space:normal;color:#333;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;transition:opacity .1s ease-in-out}.gs-fn-guide2.gs-fn-guide2-hidden{opacity:0!important;pointer-events:none!important}.gs-fn-guide2-name{font-family:monospace;font-weight:700;font-size:13px;color:#1a1a1a;background:#f5f5f5;padding:6px 8px;border-radius:4px;border:1px solid #eee;display:flex;align-items:center;gap:6px;flex-wrap:wrap;width:100%;box-sizing:border-box;margin-bottom:8px}.gs-fn-guide2-args-inline{font-size:13px;font-family:monospace;line-height:1.5;margin-bottom:8px;color:#666}.gs-fn-guide2-args-inline span{transition:all .2s ease-in-out}.gs-fn-guide2 .gs-active-arg{font-weight:700;color:var(--gs-accent,#2563eb);background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 12%,transparent);padding:2px 4px;margin:0 -4px;border-radius:4px}.gs-fn-guide2-arg-type{color:var(--gs-accent,#2563eb);padding:0 4px;background:color-mix(in srgb,var(--gs-accent,#2563eb) 12%,transparent);border-radius:3px;font-size:11px;margin:0 4px}.gs-fn-guide2-desc{font-size:12px;color:#555;line-height:1.4;border-top:1px solid #eee;padding-top:8px;margin-top:4px}.gs-fn-guide2-desc p{margin:0}.gs-fn-guide2-desc-more{font-style:italic;color:#888;margin-top:4px!important;font-size:11px}.gs-adjuster{padding:0}.gs-table{margin:0}.gs-tabular{overflow:auto;overflow-anchor:none;display:flex;box-sizing:border-box;position:relative}.gs-root1[data-matrix-align=both] .gs-tabular,.gs-root1[data-matrix-align=horizontal] .gs-tabular{justify-content:safe center}.gs-root1[data-matrix-align=both] .gs-tabular,.gs-root1[data-matrix-align=vertical] .gs-tabular{align-items:safe center}.gs-tabular-inner{flex:0 0 auto;position:relative;overflow:hidden;overflow:clip;box-sizing:border-box;border-right:solid var(--gs-mx-br,1px) var(--gs-border,#e3e6ea);border-bottom:solid var(--gs-mx-bb,1px) var(--gs-border,#e3e6ea)}.gs-tabular-inner>table{table-layout:fixed;border-collapse:collapse;border-spacing:0}.gs-ghost-cell{padding:0;box-sizing:border-box;border:dashed 1px var(--gs-border,#e3e6ea);background-color:var(--gs-surface,#fff);opacity:.5;cursor:crosshair}.gs-ghost-th{opacity:.5}.gs-ghost-th-top{top:0}.gs-ghost-th-left{left:0}.gs-main[data-overflow-x=true] .gs-tabular-inner{border-right-width:0}.gs-main[data-overflow-y=true] .gs-tabular-inner{border-bottom-width:0}.gs-main::after{content:'';position:absolute;inset:0;pointer-events:none;z-index:3;border:0 solid var(--gs-border,#e3e6ea)}.gs-main[data-overflow-x=true]::after{border-right-width:var(--gs-mx-br,1px)}.gs-main[data-overflow-y=true]::after{border-bottom-width:var(--gs-mx-bb,1px)}.gs-th{z-index:2;padding:0;position:sticky;font-size:13px;font-weight:400;box-sizing:border-box;vertical-align:top}.gs-th .gs-resizer{position:absolute;border-color:transparent;box-sizing:border-box;z-index:2}.gs-th .gs-resizer:hover{background-color:var(--gs-accent,#2563eb)}.gs-th .gs-resizer.gs-protected{display:none}.gs-th-inner{height:100%;box-sizing:border-box;vertical-align:middle;overflow:hidden;display:flex;align-items:center;justify-content:center}.gs-th-inner-wrap{height:100%;box-sizing:border-box;background-color:transparent}.gs-th-top{top:0;overflow:hidden}.gs-th-top .gs-resizer{top:0;right:0;width:3px;cursor:e-resize}.gs-th-top .gs-resizer.gs-dragging{border-right-style:dotted;height:1000000px!important;cursor:e-resize}.gs-th-left{left:0;overflow:hidden;min-width:30px;border-top:solid 1px var(--gs-border,#e3e6ea)}.gs-th-left .gs-resizer{left:0;bottom:0;height:3px;cursor:n-resize}.gs-th-left .gs-resizer.gs-dragging{border-bottom-style:dotted;width:1000000px!important;cursor:n-resize}.gs-th-top.gs-th-left{top:0;left:0;z-index:3;border:none!important}.gs-th-left.gs-filter-fixed .gs-th-inner::before{content:'‹\\00a0'}.gs-th-left.gs-sort-fixed .gs-th-inner::after{content:'\\00a0›'}.gs-col-addr{position:absolute;top:2px;right:4px;font-size:9px;opacity:.5;line-height:1;letter-spacing:.3px;pointer-events:none}.gs-search-bar{width:100%;display:flex;align-items:center;padding:3px 0;border-top:solid 1px rgba(128,128,128,.3);border-left:solid 1px rgba(128,128,128,.3);border-right:solid 1px rgba(128,128,128,.3);border-bottom:solid 1px rgba(128,128,128,.3);box-sizing:border-box;background-color:rgba(200,50,0,.2)}.gs-search-bar.gs-search-found{background-color:rgba(0,200,100,.2)}.gs-search-bar .gs-search-bar-inner{border-left:solid 1px rgba(128,128,128,.5)}.gs-search-bar .gs-search-bar-icon{border-left:solid 1px rgba(128,128,128,.3);display:flex;align-items:center;justify-content:center;width:30px;flex-shrink:0}.gs-search-bar .gs-search-input-wrapper{flex-grow:1;position:relative;display:flex;align-items:center;height:100%}.gs-search-bar .gs-search-input-ghost{position:absolute;left:2px;right:2px;top:0;bottom:0;pointer-events:none;font-size:12px;font-family:monospace,Arial;line-height:24px;letter-spacing:1px;white-space:pre-wrap;word-break:break-all;color:transparent;overflow:hidden}.gs-search-bar .gs-search-input-ghost .gs-search-ghost-hint{color:#aaa}.gs-search-bar textarea{background-color:transparent;border:none;padding:0 2px;box-sizing:border-box;outline:0;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;font-size:12px;font-family:monospace,Arial;height:24px;line-height:24px;min-height:24px;letter-spacing:1px;caret-color:rgba(128,128,128);white-space:pre-wrap;word-break:break-all;flex-grow:1;width:100%;resize:none}.gs-search-progress{color:#999;font-size:13px;width:60px;flex-shrink:0;white-space:nowrap;text-align:center}.gs-search-close{cursor:pointer;display:flex;align-items:center;justify-content:center;width:24px;flex-shrink:0}.gs-search-buttons{display:flex;align-items:center;white-space:nowrap;flex-shrink:0}.gs-search-button{display:inline-flex;cursor:pointer;margin:0 2px}.gs-search-button span{display:inline-block;font-size:11px;padding:3px 5px;background-color:rgba(128,128,128,.1);border:1px solid rgba(128,128,128,.3);border-radius:3px;transition:all .15s ease;line-height:1}.gs-search-button span:hover{background-color:rgba(128,128,128,.2)}.gs-search-button span.gs-search-button-on{color:var(--gs-accent,#2563eb);background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 22%,transparent);border-color:var(--gs-accent,#2563eb)}.gs-search-range span{white-space:nowrap;font-family:monospace}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.gs-loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:color-mix(in srgb,var(--gs-surface,#fff) 70%,transparent);display:flex;align-items:center;justify-content:center;z-index:100;pointer-events:all}.gs-loading-spinner{width:32px;height:32px;border:3px solid color-mix(in srgb,var(--gs-fg,#1f2328) 12%,transparent);border-top-color:var(--gs-accent,#2563eb);border-radius:50%;animation:spin .8s linear infinite}.gs-progress-overlay{position:absolute;top:0;left:0;right:0;bottom:0;z-index:100;pointer-events:all;display:flex;align-items:center;justify-content:center}.gs-progress-box{min-width:240px;padding:16px 18px;border-radius:8px;background:var(--gs-editor-surface,#fff);border:1px solid var(--gs-border,#e3e6ea);box-shadow:0 6px 24px rgba(0,0,0,.28);display:flex;flex-direction:column;gap:10px}.gs-progress-head{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gs-fg,#1f2328)}.gs-progress-head .gs-loading-spinner{width:15px;height:15px;border-width:2px}.gs-progress-track{height:6px;border-radius:3px;overflow:hidden;background:color-mix(in srgb,var(--gs-fg,#1f2328) 12%,transparent)}.gs-progress-fill{height:100%;border-radius:3px;background:var(--gs-accent,#2563eb);transition:width .1s linear}@keyframes gs-pending-slide{0%{left:-40%}100%{left:100%}}@keyframes gs-pending-pulse{0%{left:0;width:0}50%{left:0;width:100%}100%{left:100%;width:0}}@keyframes gs-flash{0%{opacity:0}20%{opacity:1}100%{opacity:0}}.gs-flash-overlay{position:absolute;inset:0;pointer-events:none;z-index:9999;background:color-mix(in srgb,var(--gs-accent,#2563eb) 15%,transparent);opacity:0}.gs-flash-overlay--active{animation:gs-flash .6s ease-out forwards}`;
+export const LAST_MODIFIED = 1791897164;
+export const CSS = `.gs-root1{display:inline-block;position:relative;border-spacing:0;width:fit-content;max-width:100%;overflow:auto;font-family:"SF Pro Text","SF Pro Icons","Helvetica Neue",Helvetica,Arial,Meiryo,sans-serif;visibility:hidden;opacity:0}.gs-root1.gs-initialized{visibility:visible;opacity:1;transition:opacity .2s ease-in-out}.gs-root1 .gs-main{flex:1;max-width:100%;overflow:hidden;position:relative;box-sizing:border-box;-webkit-box-sizing:border-box;-moz-box-sizing:border-box}.gs-root1 .gs-resizing{width:100%;height:100%;position:absolute;background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 8%,transparent);top:0;left:0;z-index:2}.gs-root1 .gs-line-horizontal{width:100%}.gs-root1 .gs-line-vertical{height:100%}.gs-root1 .gs-line{position:relative;top:0;left:0;border:dotted 1px var(--gs-accent,#2563eb);box-sizing:border-box}.gs-root1 .gs-line span{font-size:10px;padding:3px;background-color:var(--gs-accent,#2563eb);color:#fff;margin:0;position:absolute;top:0;left:0}.gs-root1 .gs-scroll-handle{width:100%;height:100%;cursor:cell}.gs-hidden{visibility:hidden;position:absolute;top:0;left:0;width:0;height:0;overflow:hidden;pointer-events:none;z-index:-1}.gs-fixed{position:fixed;top:0;left:0;z-index:1}:where(.gs-root1[data-mode=light],.gs-editor[data-mode=light]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb}.gs-root1{background-color:var(--gs-bg);color:var(--gs-fg)}.gs-root1 .gs-main{background-color:var(--gs-canvas)}.gs-root1 .gs-tabular{background-color:var(--gs-canvas)}.gs-root1 .gs-sheet-body-data{background-color:var(--gs-surface)}.gs-root1 .gs-formula-bar{background-color:var(--gs-header-bg)}.gs-root1 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.gs-editor-options{color:var(--gs-fg);background-color:var(--gs-editor-surface);border:solid 1px var(--gs-border)}:where(.gs-root1[data-mode=dark],.gs-editor[data-mode=dark]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6}:where(.gs-root1[data-mode=auto],.gs-editor[data-mode=auto]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb}@media (prefers-color-scheme:dark){:where(.gs-root1[data-mode=auto],.gs-editor[data-mode=auto]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 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2px;box-sizing:border-box;outline:0;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;font-size:12px;font-family:monospace,Arial;height:24px;line-height:24px;min-height:24px;letter-spacing:1px;caret-color:rgba(128,128,128);white-space:pre-wrap;word-break:break-all;flex-grow:1;width:100%;resize:none}.gs-search-progress{color:#999;font-size:13px;width:60px;flex-shrink:0;white-space:nowrap;text-align:center}.gs-search-close{cursor:pointer;display:flex;align-items:center;justify-content:center;width:24px;flex-shrink:0}.gs-search-buttons{display:flex;align-items:center;white-space:nowrap;flex-shrink:0}.gs-search-button{display:inline-flex;cursor:pointer;margin:0 2px}.gs-search-button span{display:inline-block;font-size:11px;padding:3px 5px;background-color:rgba(128,128,128,.1);border:1px solid rgba(128,128,128,.3);border-radius:3px;transition:all .15s ease;line-height:1}.gs-search-button span:hover{background-color:rgba(128,128,128,.2)}.gs-search-button span.gs-search-button-on{color:var(--gs-accent,#2563eb);background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 22%,transparent);border-color:var(--gs-accent,#2563eb)}.gs-search-range span{white-space:nowrap;font-family:monospace}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.gs-loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:color-mix(in srgb,var(--gs-surface,#fff) 70%,transparent);display:flex;align-items:center;justify-content:center;z-index:100;pointer-events:all}.gs-loading-spinner{width:32px;height:32px;border:3px solid color-mix(in srgb,var(--gs-fg,#1f2328) 12%,transparent);border-top-color:var(--gs-accent,#2563eb);border-radius:50%;animation:spin .8s linear infinite}.gs-progress-overlay{position:absolute;top:0;left:0;right:0;bottom:0;z-index:100;pointer-events:all;display:flex;align-items:center;justify-content:center}.gs-progress-box{min-width:240px;padding:16px 18px;border-radius:8px;background:var(--gs-editor-surface,#fff);border:1px solid var(--gs-border,#e3e6ea);box-shadow:0 6px 24px rgba(0,0,0,.28);display:flex;flex-direction:column;gap:10px}.gs-progress-head{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gs-fg,#1f2328)}.gs-progress-head .gs-loading-spinner{width:15px;height:15px;border-width:2px}.gs-progress-track{height:6px;border-radius:3px;overflow:hidden;background:color-mix(in srgb,var(--gs-fg,#1f2328) 12%,transparent)}.gs-progress-fill{height:100%;border-radius:3px;background:var(--gs-accent,#2563eb);transition:width .1s linear}@keyframes gs-pending-slide{0%{left:-40%}100%{left:100%}}@keyframes gs-pending-pulse{0%{left:0;width:0}50%{left:0;width:100%}100%{left:100%;width:0}}@keyframes gs-flash{0%{opacity:0}20%{opacity:1}100%{opacity:0}}.gs-flash-overlay{position:absolute;inset:0;pointer-events:none;z-index:9999;background:color-mix(in srgb,var(--gs-accent,#2563eb) 15%,transparent);opacity:0}.gs-flash-overlay--active{animation:gs-flash .6s ease-out forwards}.gs-root1{touch-action:manipulation}.gs-cell .gs-autofill-drag,.gs-cell.gs-choosing .gs-cell-inner-wrap,.gs-th .gs-resizer,.gs-th.gs-th-selecting .gs-th-inner-wrap{touch-action:none}.gs-cell,.gs-th{-webkit-touch-callout:none}@keyframes gs-press{from{opacity:0}}.gs-cell.gs-pressing .gs-cell-inner-wrap::before,.gs-th.gs-pressing .gs-th-inner-wrap::before{content:'';position:absolute;inset:0;pointer-events:none;background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 22%,transparent);animation:gs-press 380ms ease-in 120ms both}@keyframes gs-menu-in{from{opacity:0;transform:translateY(-4px) scale(.98)}}.gs-menu-modal{touch-action:none}.gs-column-menu,.gs-context-menu,.gs-filter-conditions,.gs-row-menu,.gs-submenu-flyout{touch-action:pan-y;overscroll-behavior:contain}@media (pointer:coarse){.gs-editor .gs-editor-hl,.gs-editor textarea,.gs-filter-value-input,.gs-formula-bar .gs-editor-hl,.gs-formula-bar textarea,.gs-label-input,.gs-search-bar .gs-search-input-ghost,.gs-search-bar textarea{font-size:16px}.gs-cell .gs-autofill-drag::after{content:'';position:absolute;inset:-12px}.gs-th-top .gs-resizer::after{content:'';position:absolute;top:0;bottom:0;left:-8px;right:-4px}.gs-th-left .gs-resizer::after{content:'';position:absolute;left:0;right:0;top:-4px;bottom:0}.gs-column-menu,.gs-context-menu,.gs-row-menu,.gs-submenu-flyout{opacity:1;animation:gs-menu-in 140ms ease-out}.gs-menu-item{box-sizing:border-box;min-height:44px;padding:0 16px;align-items:center}.gs-menu-item .gs-menu-name{font-size:15px;letter-spacing:normal}.gs-menu-item.gs-enabled:hover{background-color:transparent}.gs-menu-item.gs-enabled:active{background-color:rgba(128,128,128,.18)}.gs-menu-shortcut{display:none}}`;
diff --git a/packages/web/src/styles/root.less b/packages/web/src/styles/root.less
index 2b1c4727..ad16c9cf 100644
--- a/packages/web/src/styles/root.less
+++ b/packages/web/src/styles/root.less
@@ -219,3 +219,4 @@
     animation: gs-flash 0.6s ease-out forwards;
   }
 }
+@import 'touch.less';
diff --git a/packages/web/src/styles/root.min.css b/packages/web/src/styles/root.min.css
index 6e6e0901..968a5c56 100644
--- a/packages/web/src/styles/root.min.css
+++ b/packages/web/src/styles/root.min.css
@@ -1 +1 @@
-.gs-root1{display:inline-block;position:relative;border-spacing:0;width:fit-content;max-width:100%;overflow:auto;font-family:"SF Pro Text","SF Pro Icons","Helvetica Neue",Helvetica,Arial,Meiryo,sans-serif;visibility:hidden;opacity:0}.gs-root1.gs-initialized{visibility:visible;opacity:1;transition:opacity .2s ease-in-out}.gs-root1 .gs-main{flex:1;max-width:100%;overflow:hidden;position:relative;box-sizing:border-box;-webkit-box-sizing:border-box;-moz-box-sizing:border-box}.gs-root1 .gs-resizing{width:100%;height:100%;position:absolute;background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 8%,transparent);top:0;left:0;z-index:2}.gs-root1 .gs-line-horizontal{width:100%}.gs-root1 .gs-line-vertical{height:100%}.gs-root1 .gs-line{position:relative;top:0;left:0;border:dotted 1px var(--gs-accent,#2563eb);box-sizing:border-box}.gs-root1 .gs-line span{font-size:10px;padding:3px;background-color:var(--gs-accent,#2563eb);color:#fff;margin:0;position:absolute;top:0;left:0}.gs-root1 .gs-scroll-handle{width:100%;height:100%;cursor:cell}.gs-hidden{visibility:hidden;position:absolute;top:0;left:0;width:0;height:0;overflow:hidden;pointer-events:none;z-index:-1}.gs-fixed{position:fixed;top:0;left:0;z-index:1}:where(.gs-root1[data-mode=light],.gs-editor[data-mode=light]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb}.gs-root1{background-color:var(--gs-bg);color:var(--gs-fg)}.gs-root1 .gs-main{background-color:var(--gs-canvas)}.gs-root1 .gs-tabular{background-color:var(--gs-canvas)}.gs-root1 .gs-sheet-body-data{background-color:var(--gs-surface)}.gs-root1 .gs-formula-bar{background-color:var(--gs-header-bg)}.gs-root1 .gs-formula-bar-editor-inner{color:var(--gs-fg)}.gs-root1 .gs-cell{border:solid 1px var(--gs-border)}.gs-root1 .gs-adjuster{background-color:var(--gs-border)}.gs-root1 .gs-tabular-inner{background-color:var(--gs-border)}.gs-root1 .gs-large-editor textarea{color:var(--gs-fg);caret-color:var(--gs-fg)}.gs-root1 .gs-th{background-color:var(--gs-header-bg);color:var(--gs-header-fg)}.gs-root1 .gs-th-top{border-left:solid 1px var(--gs-border)}.gs-root1 .gs-th-top .gs-th-inner{border-top:solid var(--gs-mx-bt,1px) var(--gs-border)}.gs-root1 .gs-th-left{border-top:solid 1px var(--gs-border)}.gs-root1 .gs-th-left .gs-th-inner{border-left:solid var(--gs-mx-bl,1px) var(--gs-border)}.gs-root1 .gs-search-bar{color:color-mix(in srgb,var(--gs-fg) 40%,transparent)}.gs-root1 .gs-search-bar textarea{color:var(--gs-fg);caret-color:var(--gs-fg)}.gs-editor.gs-editing textarea{caret-color:var(--gs-fg)}.gs-editor.gs-editing .gs-editor-hl{background-color:var(--gs-editor-surface);color:var(--gs-fg)}.gs-editor .gs-editor-options{color:var(--gs-fg);background-color:var(--gs-editor-surface);border:solid 1px var(--gs-border)}:where(.gs-root1[data-mode=dark],.gs-editor[data-mode=dark]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6}:where(.gs-root1[data-mode=auto],.gs-editor[data-mode=auto]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb}@media (prefers-color-scheme:dark){:where(.gs-root1[data-mode=auto],.gs-editor[data-mode=auto]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-canvas:transparent;--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6}}:where(.gs-root1[data-mode=inherit-light],.gs-editor[data-mode=inherit-light]){--gs-fg:#1f2328;--gs-muted-fg:#6b7280;--gs-border:#e3e6ea;--gs-bg:rgba(128, 128, 128, 0.07);--gs-surface:#ffffff;--gs-editor-surface:#ffffff;--gs-header-bg:#f4f5f7;--gs-header-fg:#59616b;--gs-accent:#2563eb;--gs-bg:transparent;--gs-canvas:transparent;--gs-surface:transparent;--gs-header-bg:transparent}:where(.gs-root1[data-mode=inherit-dark],.gs-editor[data-mode=inherit-dark]){--gs-fg:#e4e6e9;--gs-muted-fg:#8b9096;--gs-border:#2c2f34;--gs-bg:rgba(128, 128, 128, 0.07);--gs-surface:#1c1e21;--gs-editor-surface:#1c1e21;--gs-header-bg:#212327;--gs-header-fg:#a6abb2;--gs-accent:#3b82f6;--gs-bg:transparent;--gs-canvas:transparent;--gs-surface:transparent;--gs-header-bg:transparent}.gs-root1[data-mode=inherit-dark] .gs-adjuster,.gs-root1[data-mode=inherit-dark] .gs-tabular-inner,.gs-root1[data-mode=inherit-light] .gs-adjuster,.gs-root1[data-mode=inherit-light] .gs-tabular-inner{background-color:transparent}.gs-root1[data-mode=inherit-light] .gs-th{background-color:rgba(128,128,128,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.gs-root1[data-mode=inherit-dark] .gs-th{background-color:rgba(128,128,128,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.gs-root1[data-gridlines=horizontal] .gs-cell{border-left-color:transparent;border-right-color:transparent}.gs-root1[data-gridlines=none] .gs-cell{border-color:transparent}.gs-root1[data-density=comfortable] .gs-cell-rendered{padding:0 10px}.gs-cell{transition:border-color .2s ease;padding:0;margin:0;box-sizing:border-box;position:relative;font-size:13px;letter-spacing:1px;line-height:24px;cursor:cell;user-select:none;-webkit-user-select:none;-moz-user-select:none}.gs-cell.gs-copying textarea:focus{outline:solid 1px var(--gs-accent,#2563eb)}.gs-cell.gs-selecting{z-index:1;background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 7%,transparent)}.gs-cell.gs-selecting .gs-cell-label{display:block}.gs-cell.gs-choosing{margin-top:-1px;margin-left:-1px;z-index:1}.gs-cell.gs-choosing.gs-editing{color:transparent}.gs-cell.gs-choosing .gs-cell-label{display:block}.gs-cell.gs-pending .gs-cell-rendered{position:relative;overflow:hidden}.gs-cell.gs-pending .gs-cell-rendered::after{content:'';position:absolute;bottom:0;left:0;height:4px;width:40%;border-radius:1px;background:color-mix(in srgb,var(--gs-accent,#2563eb) 65%,transparent);animation:gs-pending-slide 1.4s ease-in-out infinite}.gs-cell .gs-formula-error-triangle{position:absolute;top:0;right:0;border-top:4px solid rgba(200,0,0,.9);border-right:4px solid rgba(200,0,0,.9);border-bottom:4px solid transparent;border-left:4px solid transparent;z-index:2;cursor:help}.gs-cell .gs-cell-label{font-size:10px;font-weight:500;font-style:normal;font-family:inherit;letter-spacing:.2px;line-height:1.4;position:absolute;top:0;right:0;background-color:var(--gs-accent,#2563eb);color:#fff;padding:1px 5px;border-bottom-left-radius:4px;display:none;opacity:.92}.gs-cell .gs-cell-inner-wrap{width:100%;height:100%;position:absolute;top:0;left:0}.gs-cell .gs-cell-inner{width:100%;height:100%;overflow:hidden;display:flex;box-sizing:border-box;border:none!important}.gs-cell .gs-cell-rendered{overflow:hidden;white-space:pre-wrap;cursor:cell;word-wrap:break-word;word-break:break-all;padding:0 6px;width:100%;height:100%}.gs-cell .gs-cell-rendered>*{position:relative}.gs-cell .gs-cell-rendered>.backface{z-index:0}.gs-cell .gs-autofill-drag{background-color:var(--gs-accent,#2563eb);position:absolute;width:7px;height:7px;bottom:0;right:0;cursor:crosshair;z-index:1}.gs-cell.gs-merged-host{z-index:1}.gs-cell.gs-merged-host.gs-selecting{background-color:transparent}.gs-cell.gs-merged-host.gs-selecting .gs-cell-inner-wrap{background-color:color-mix(in srgb,var(--gs-accent,#2563eb) 7%,transparent)}.gs-cell.gs-merged-covered{z-index:0}.gs-th[data-x="1"] .gs-th-inner-wrap{border-left:none}.gs-th[data-y="1"] .gs-th-inner-wrap{border-top:none}.gs-formula-error-tooltip{position:fixed;background-color:rgba(35,8,8,.94);color:#fff;padding:6px 10px;border-radius:4px;border-left:3px solid rgba(220,50,50,.8);font-size:12px;line-height:1.5;max-width:260px;white-space:pre-wrap;word-break:break-word;box-shadow:0 3px 10px 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10px;list-style-type:none;display:flex}.gs-menu-item.gs-enabled{cursor:pointer}.gs-menu-item.gs-enabled:hover{background-color:#eee}.gs-menu-item.gs-disabled{opacity:.5;cursor:not-allowed}.gs-menu-item .gs-menu-name{font-size:13px;letter-spacing:1px;flex:1}.gs-submenu-parent{position:relative;align-items:center}.gs-submenu-parent .gs-submenu-arrow{margin-left:8px;font-size:11px;opacity:.6}.gs-submenu-flyout{z-index:12;position:fixed;background-color:#fff;padding:5px 0;border-radius:5px;box-shadow:rgba(60,64,67,.3) 0 1px 2px 0,rgba(60,64,67,.15) 0 1px 3px 1px;opacity:.9;transition:opacity .15s ease;min-width:200px;margin:0;color:#555;opacity:1;list-style-type:none}.gs-submenu-flyout:hover{opacity:1}.gs-menu-shortcut{font-size:10px;line-height:20px;color:#999}.gs-menu-shortcut:before{content:"( "}.gs-menu-shortcut:after{content:" )"}.gs-menu-shortcut .gs-menu-underline{text-decoration:underline}.gs-column-menu{z-index:12;position:fixed;background-color:#fff;padding:5px 0;border-radius:5px;box-shadow:rgba(60,64,67,.3) 0 1px 2px 0,rgba(60,64,67,.15) 0 1px 3px 1px;opacity:.9;transition:opacity .15s ease}.gs-column-menu:hover{opacity:1}.gs-column-menu ul{color:#555;margin:0;padding:0;min-width:200px}.gs-column-menu .gs-column-menu-sort{align-items:center}.gs-column-menu .gs-column-menu-sort .gs-sort-buttons{display:flex;gap:4px;margin-left:auto}.gs-column-menu .gs-column-menu-sort .gs-sort-btn{font-size:12px;padding:4px 8px;border:1px solid transparent;border-radius:3px;background-color:rgba(180,180,180,.1);cursor:pointer;color:#555;font-weight:700;letter-spacing:.5px}.gs-column-menu .gs-column-menu-sort .gs-sort-btn:hover:not(:disabled){border-color:#555}.gs-column-menu .gs-column-menu-sort .gs-sort-btn:disabled{opacity:.5;cursor:not-allowed}.gs-column-menu .gs-column-menu-label{padding:5px 10px}.gs-column-menu .gs-label-input-row{display:flex;gap:4px;align-items:center}.gs-column-menu .gs-label-input{flex:1;font-size:13px;padding:4px 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\ No newline at end of file
diff --git a/packages/web/src/styles/touch.less b/packages/web/src/styles/touch.less
new file mode 100644
index 00000000..59d14309
--- /dev/null
+++ b/packages/web/src/styles/touch.less
@@ -0,0 +1,135 @@
+// Touch support (gestures live in react-core's useTouchGestures).
+
+// No double-tap zoom on the grid — a double tap edits the cell. Pinch zoom still works.
+.gs-root1 {
+  touch-action: manipulation;
+}
+
+// Drags that start on these are handled by the grid, not the browser: extending the
+// selection from the cursor cell or a selected header, the autofill handle, and the
+// header resizers.
+.gs-cell.gs-choosing .gs-cell-inner-wrap,
+.gs-th.gs-th-selecting .gs-th-inner-wrap,
+.gs-cell .gs-autofill-drag,
+.gs-th .gs-resizer {
+  touch-action: none;
+}
+
+// A long press opens the grid's own menu, not the OS callout / text selection.
+.gs-cell,
+.gs-th {
+  -webkit-touch-callout: none;
+}
+
+// Long-press feedback: the held cell / header tints up until the menu opens (500ms). The
+// delay keeps a tap or the start of a swipe from flashing.
+@keyframes gs-press {
+  from {
+    opacity: 0;
+  }
+}
+
+.gs-cell.gs-pressing .gs-cell-inner-wrap::before,
+.gs-th.gs-pressing .gs-th-inner-wrap::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  pointer-events: none;
+  background-color: color-mix(in srgb, var(--gs-accent, #2563eb) 22%, transparent);
+  animation: gs-press 380ms ease-in 120ms both;
+}
+
+@keyframes gs-menu-in {
+  from {
+    opacity: 0;
+    transform: translateY(-4px) scale(0.98);
+  }
+}
+
+// Menu overlays: a swipe on them must not scroll the page / sheet beneath, and a scrolling
+// menu must not hand the scroll over to it at its ends.
+.gs-menu-modal {
+  touch-action: none;
+}
+.gs-context-menu,
+.gs-column-menu,
+.gs-row-menu,
+.gs-submenu-flyout,
+.gs-filter-conditions {
+  touch-action: pan-y;
+  overscroll-behavior: contain;
+}
+
+@media (pointer: coarse) {
+  // iOS zooms the page into any input under 16px when it's focused. The highlight layers
+  // sit under their textarea and must keep the same metrics.
+  .gs-editor textarea,
+  .gs-editor .gs-editor-hl,
+  .gs-formula-bar textarea,
+  .gs-formula-bar .gs-editor-hl,
+  .gs-search-bar textarea,
+  .gs-search-bar .gs-search-input-ghost,
+  .gs-label-input,
+  .gs-filter-value-input {
+    font-size: 16px;
+  }
+
+  // Bigger hit areas without changing how the handles look.
+  .gs-cell .gs-autofill-drag::after {
+    content: '';
+    position: absolute;
+    inset: -12px;
+  }
+  .gs-th-top .gs-resizer::after {
+    content: '';
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: -8px;
+    right: -4px;
+  }
+  // Rows are short: grow less so the header middle stays a header (tap / long press).
+  .gs-th-left .gs-resizer::after {
+    content: '';
+    position: absolute;
+    left: 0;
+    right: 0;
+    top: -4px;
+    bottom: 0;
+  }
+
+  // Menus: no see-through until hover (there is none), finger-sized rows, a quick entrance
+  // instead of popping in. The animation leaves no transform behind, so the fixed-position
+  // submenu flyouts aren't re-anchored to it.
+  .gs-context-menu,
+  .gs-column-menu,
+  .gs-row-menu,
+  .gs-submenu-flyout {
+    opacity: 1;
+    animation: gs-menu-in 140ms ease-out;
+  }
+  .gs-menu-item {
+    box-sizing: border-box;
+    min-height: 44px;
+    padding: 0 16px;
+    align-items: center;
+
+    .gs-menu-name {
+      font-size: 15px;
+      letter-spacing: normal;
+    }
+
+    // Hover sticks after a tap on touch screens; show the press instead.
+    &.gs-enabled:hover {
+      background-color: transparent;
+    }
+    &.gs-enabled:active {
+      background-color: rgba(128, 128, 128, 0.18);
+    }
+  }
+
+  // Keyboard shortcut hints mean nothing without a keyboard.
+  .gs-menu-shortcut {
+    display: none;
+  }
+}