diff --git a/.changeset/am-dialog-popover-clipping.md b/.changeset/am-dialog-popover-clipping.md
new file mode 100644
index 00000000000..66fc9803756
--- /dev/null
+++ b/.changeset/am-dialog-popover-clipping.md
@@ -0,0 +1,5 @@
+---
+"kilo-code": patch
+---
+
+Fix the reasoning-variant and mode dropdowns being clipped inside the New Worktree dialog. The dialog's scroll-container overflow escape now covers all inline selector popovers, not just the model picker, so dropdowns render fully above the prompt input.
diff --git a/packages/kilo-docs/public/img/screenshot-tests/kilo-vscode/visual-regression/agentmanager/new-worktree-variant-dropdown-1280-chromium-linux.png b/packages/kilo-docs/public/img/screenshot-tests/kilo-vscode/visual-regression/agentmanager/new-worktree-variant-dropdown-1280-chromium-linux.png
new file mode 100644
index 00000000000..2b594d86ac1
--- /dev/null
+++ b/packages/kilo-docs/public/img/screenshot-tests/kilo-vscode/visual-regression/agentmanager/new-worktree-variant-dropdown-1280-chromium-linux.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f7edbc1bf6f10260626bf21406bb02e32dc17bf969c83e8b56251c50f755a1f
+size 7737
diff --git a/packages/kilo-vscode/webview-ui/agent-manager/agent-manager.css b/packages/kilo-vscode/webview-ui/agent-manager/agent-manager.css
index 4007ad8b9e1..173f3277092 100644
--- a/packages/kilo-vscode/webview-ui/agent-manager/agent-manager.css
+++ b/packages/kilo-vscode/webview-ui/agent-manager/agent-manager.css
@@ -2709,10 +2709,11 @@ body.am-wt-dragging-active * {
   overflow-y: auto;
 }
 
-.am-nv-dialog .am-prompt-input-container:has([class~="model-selector-popover"][data-component="popover-content"]),
-.am-nv-dialog-content:has([class~="model-selector-popover"][data-component="popover-content"]),
-[data-component="dialog"]:has(.am-nv-dialog [class~="model-selector-popover"][data-component="popover-content"])
-  [data-slot="dialog-body"] {
+/* While any inline (non-portaled) selector popover is open, let it escape the
+   dialog's scroll containers. Covers model, thinking-variant, and mode pickers. */
+.am-nv-dialog .am-prompt-input-container:has([data-component="popover-content"]),
+.am-nv-dialog-content:has([data-component="popover-content"]),
+[data-component="dialog"]:has(.am-nv-dialog [data-component="popover-content"]) [data-slot="dialog-body"] {
   overflow: visible;
 }
 
diff --git a/packages/kilo-vscode/webview-ui/src/stories/agent-manager.stories.tsx b/packages/kilo-vscode/webview-ui/src/stories/agent-manager.stories.tsx
index fbad72deba7..4f2aef6e2dd 100644
--- a/packages/kilo-vscode/webview-ui/src/stories/agent-manager.stories.tsx
+++ b/packages/kilo-vscode/webview-ui/src/stories/agent-manager.stories.tsx
@@ -23,6 +23,7 @@ import { IconButton } from "@kilocode/kilo-ui/icon-button"
 import { Icon } from "@kilocode/kilo-ui/icon"
 import { TooltipKeybind } from "@kilocode/kilo-ui/tooltip"
 import { ContextMenu } from "@kilocode/kilo-ui/context-menu"
+import { ThinkingSelectorBase } from "../components/shared/ThinkingSelector"
 import { createSignal, onCleanup, onMount, type JSX } from "solid-js"
 import type { WorktreeFileDiff, WorktreeState, WorktreeGitStats, PRStatus } from "../types/messages"
 import type { ReviewComment } from "../../diff-viewer/review-comments"
@@ -929,6 +930,70 @@ export const TabBarSingleTab: Story = {
   ),
 }
 
+// ---------------------------------------------------------------------------
+// NewWorktreeDialog — inline selector popovers must escape the dialog scroll
+// containers. Regression: the reasoning-variant and mode pickers were clipped
+// by .am-nv-dialog-content (overflow-y: auto) and .am-prompt-input-container
+// (overflow: hidden) because the overflow escape hatch only covered the model
+// picker. This fixture reproduces the real clipping chain (same CSS classes +
+// the real inline ThinkingSelectorBase with portal={false}) so a screenshot
+// baseline catches any future regression. Rendered inline (no dialog portal)
+// because the visual-regression harness screenshots #storybook-root.
+// ---------------------------------------------------------------------------
+
+const VariantPickerOpener = () => {
+  let frame = 0
+  let attempts = 0
+  const open = () => {
+    if (document.querySelector("[data-component='popover-content']")) return
+    if (attempts++ >= 120) return
+    window.dispatchEvent(new CustomEvent("openVariantPicker"))
+    frame = requestAnimationFrame(open)
+  }
+  onMount(() => {
+    frame = requestAnimationFrame(open)
+  })
+  onCleanup(() => cancelAnimationFrame(frame))
+  return null
+}
+
+export const NewWorktreeVariantDropdown1280: Story = {
+  name: "NewWorktreeDialog — variant dropdown open",
+  parameters: { layout: "fullscreen" },
+  render: () => (
+    <StoryProviders noPadding>
+      {/* Filler pushes the prompt container to the bottom of the dialog content.
+          The variant popover opens upward from the trigger, extending above the
+          container's top edge. Without the overflow escape fix, .am-prompt-input-container
+          (overflow: hidden + position: relative) clips the top of the popover. */}
+      <div style={{ height: "100vh", display: "flex", "flex-direction": "column" }}>
+        <div class="am-nv-dialog">
+          <div class="am-nv-dialog-content">
+            <div style={{ height: "500px", "flex-shrink": 0 }} />
+            <div
+              class="prompt-input-container am-prompt-input-container"
+              style={{ position: "relative", "flex-shrink": 0 }}
+            >
+              <div class="prompt-input-hint">
+                <div class="prompt-input-hint-selectors">
+                  <ThinkingSelectorBase
+                    variants={["low", "medium", "high"]}
+                    value="low"
+                    onSelect={() => {}}
+                    portal={false}
+                    deferDismiss
+                  />
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+      <VariantPickerOpener />
+    </StoryProviders>
+  ),
+}
+
 const searchSection = { id: "polish", name: "Polish", color: "Blue", order: 0, collapsed: false }
 const slackedSection = { id: "slacked", name: "SLACKED", color: "Yellow", order: 1, collapsed: false }
 const sidebarSearchItems: SidebarSearchItem[] = [