diff --git a/ui/src/components/TaskChatThread.test.tsx b/ui/src/components/TaskChatThread.test.tsx
index c9cb995574..2994a3acc2 100644
--- a/ui/src/components/TaskChatThread.test.tsx
+++ b/ui/src/components/TaskChatThread.test.tsx
@@ -423,9 +423,9 @@ describe("TaskChatThread draft pass-through", () => {
     const thread = container.querySelector('[data-testid="task-chat-thread"]');
     expect(thread?.classList).not.toContain("h-(--tc-thread-max-h)");
     expect(thread?.classList).toContain("flex-1");
-    expect(dock?.classList).toContain("px-2");
+    expect(dock?.classList).toContain("px-1");
     expect(dock?.classList).toContain("md:px-0");
-    expect(dock?.classList).not.toContain("px-1");
+    expect(dock?.classList).not.toContain("px-2");
     expect(dock?.classList).not.toContain("-mt-(--radius-task-composer)");
     expect(dock?.classList).not.toContain("pt-1");
     expect(dock?.classList).toContain("md:pb-0");
diff --git a/ui/src/components/TaskChatThread.tsx b/ui/src/components/TaskChatThread.tsx
index 046390c3ef..123e617d69 100644
--- a/ui/src/components/TaskChatThread.tsx
+++ b/ui/src/components/TaskChatThread.tsx
@@ -2889,7 +2889,7 @@ export function TaskChatThread(props: TaskChatThreadProps) {
                   isMobile
                     ? "bottom-(--tc-composer-bottom) z-20 transition-[bottom] duration-200 ease-out"
                     : "bottom-0 z-10",
-                  "mx-auto flex w-full max-w-(--tc-shell-max-w) flex-col gap-2 px-2 pb-2 md:px-4",
+                  "mx-auto flex w-full max-w-(--tc-shell-max-w) flex-col gap-2 px-1 pb-1 md:px-4 md:pb-2",
                   streamlinedUiEnabled && "md:px-0 md:pb-0",
                   (!streamlinedUiEnabled || isMobile) &&
                     "bg-background/80 pt-1 backdrop-blur supports-[backdrop-filter]:bg-background/60 dark:bg-transparent dark:backdrop-blur-none dark:supports-[backdrop-filter]:bg-transparent",
diff --git a/ui/src/components/task-chat/TaskChatComposer.tsx b/ui/src/components/task-chat/TaskChatComposer.tsx
index 8448672a92..3c165153bb 100644
--- a/ui/src/components/task-chat/TaskChatComposer.tsx
+++ b/ui/src/components/task-chat/TaskChatComposer.tsx
@@ -1074,7 +1074,7 @@ export function TaskChatComposer({
         streamlined
           ? "paperclip-task-chat-composer rounded-(--radius-task-composer) border border-border bg-card p-(--sz-18px) shadow-(--shadow-task-composer) dark:border-0 dark:bg-muted dark:shadow-none"
           : "paperclip-task-chat-composer rounded-xl bg-card p-(--sz-18px)",
-        mobile && "p-3",
+        mobile && "p-2",
       )}
       onKeyDownCapture={(e) => {
         // Capture mode shortcuts on the wrapper so they work while the rich
diff --git a/ui/src/components/task-chat/TaskChatThreadView.tsx b/ui/src/components/task-chat/TaskChatThreadView.tsx
index a1242e367c..7050889da4 100644
--- a/ui/src/components/task-chat/TaskChatThreadView.tsx
+++ b/ui/src/components/task-chat/TaskChatThreadView.tsx
@@ -429,7 +429,7 @@ export function TaskChatThreadView({
   const body = (
     <div
       className={cn(
-        "paperclip-mobile-thread mx-auto flex w-full max-w-(--tc-shell-max-w) flex-col px-2 py-4 md:px-4",
+        "paperclip-mobile-thread mx-auto flex w-full max-w-(--tc-shell-max-w) flex-col px-1 py-3 md:px-4 md:py-4",
         streamlined ? "md:px-0" : "gap-5",
         className,
       )}
diff --git a/ui/src/pages/IssueDetail.tsx b/ui/src/pages/IssueDetail.tsx
index b749f1504f..74bc882b5c 100644
--- a/ui/src/pages/IssueDetail.tsx
+++ b/ui/src/pages/IssueDetail.tsx
@@ -6752,8 +6752,8 @@ export function IssueDetail({ tasksTab }: { tasksTab?: TaskSidePanelProps["tasks
       )}
     >
       {streamlinedTaskDetailEnabled ? (
-        <div className="flex min-w-0 items-center gap-2 pr-8">
-          {issueStatusControl}
+        <div className="flex min-w-0 items-start gap-2 md:items-center md:pr-8">
+          <div className="hidden md:block">{issueStatusControl}</div>
           <div
             data-slot="task-detail-title"
             className="flex min-w-0 flex-1 items-baseline gap-2"
@@ -6766,7 +6766,7 @@ export function IssueDetail({ tasksTab }: { tasksTab?: TaskSidePanelProps["tasks
             />
             <span
               data-slot="task-title-identifier"
-              className="shrink-0 font-mono text-sm text-muted-foreground"
+              className="hidden shrink-0 font-mono text-sm text-muted-foreground md:inline"
             >
               {issue.identifier ?? issue.id.slice(0, 8)}
             </span>
@@ -6777,9 +6777,17 @@ export function IssueDetail({ tasksTab }: { tasksTab?: TaskSidePanelProps["tasks
       <div
         className={cn(
           "flex min-w-0 flex-wrap items-center gap-2",
-          streamlinedTaskDetailEnabled && "gap-x-6 gap-y-2 pl-7",
+          streamlinedTaskDetailEnabled && "gap-x-3 gap-y-2 md:gap-x-6 md:pl-7",
         )}
       >
+        {streamlinedTaskDetailEnabled ? (
+          <div className="md:hidden">{issueStatusControl}</div>
+        ) : null}
+        {streamlinedTaskDetailEnabled ? (
+          <span className="shrink-0 font-mono text-sm text-muted-foreground md:hidden">
+            {issue.identifier ?? issue.id.slice(0, 8)}
+          </span>
+        ) : null}
         {!streamlinedTaskDetailEnabled ? issueStatusControl : null}
         {/* PAP-411: priority UI hidden behind SHOW_TASK_PRIORITY_UI. */}
         {SHOW_TASK_PRIORITY_UI && (