diff --git a/packages/widgets/src/media-server/component.module.css b/packages/widgets/src/media-server/component.module.css
index 3987924f4..321f7ddfa 100644
--- a/packages/widgets/src/media-server/component.module.css
+++ b/packages/widgets/src/media-server/component.module.css
@@ -1,3 +1,23 @@
+.root {
+  min-width: 0;
+  min-height: 0;
+  overflow: hidden;
+}
+
+.tablePaper {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  min-width: 0;
+  min-height: 0;
+  overflow: hidden;
+}
+
+.tableContainer {
+  flex: 1;
+  min-height: 0;
+}
+
 .sessionRow {
   cursor: pointer;
 
@@ -11,3 +31,16 @@
     outline-offset: -2px;
   }
 }
+
+.detailsTarget {
+  width: 100%;
+  min-width: 0;
+  color: inherit;
+  text-align: left;
+  border-radius: var(--mantine-radius-xs);
+
+  &:focus-visible {
+    outline: 2px solid var(--mantine-primary-color-filled);
+    outline-offset: 2px;
+  }
+}
diff --git a/packages/widgets/src/media-server/component.spec.tsx b/packages/widgets/src/media-server/component.spec.tsx
new file mode 100644
index 000000000..ee941eac1
--- /dev/null
+++ b/packages/widgets/src/media-server/component.spec.tsx
@@ -0,0 +1,101 @@
+// @vitest-environment jsdom
+
+import { act, useState } from "react";
+import type { ReactNode } from "react";
+import { createRoot } from "react-dom/client";
+import type { Root } from "react-dom/client";
+import { MantineProvider } from "@mantine/core";
+import { afterEach, beforeEach, describe, expect, test, vi } from "vitest";
+
+import type { StreamSession } from "@homarr/integrations";
+
+import { SessionDetailsPopover } from "./component";
+
+vi.mock("@homarr/translation/client", () => ({
+  useScopedI18n: () => (key: string) => key,
+}));
+
+const session = {
+  sessionId: "session-1",
+  sessionName: "Living room",
+  user: { username: "Alex", profilePictureUrl: null },
+  currentlyPlaying: {
+    type: "movie",
+    name: "Example movie",
+    episodeName: null,
+    seasonName: null,
+    metadata: null,
+  },
+} as unknown as StreamSession;
+
+function ControlledPopover({ children }: { children: ReactNode }) {
+  const [opened, setOpened] = useState(false);
+  return (
+    <SessionDetailsPopover item={session} opened={opened} onChange={setOpened}>
+      {children}
+    </SessionDetailsPopover>
+  );
+}
+
+describe("SessionDetailsPopover", () => {
+  let host: HTMLDivElement;
+  let root: Root;
+
+  beforeEach(() => {
+    vi.stubGlobal("IS_REACT_ACT_ENVIRONMENT", true);
+    vi.stubGlobal(
+      "ResizeObserver",
+      class {
+        observe() {}
+        unobserve() {}
+        disconnect() {}
+      },
+    );
+    vi.stubGlobal("matchMedia", () => ({
+      matches: false,
+      media: "",
+      onchange: null,
+      addListener: () => undefined,
+      removeListener: () => undefined,
+      addEventListener: () => undefined,
+      removeEventListener: () => undefined,
+      dispatchEvent: () => false,
+    }));
+
+    host = document.createElement("div");
+    document.body.append(host);
+    root = createRoot(host);
+  });
+
+  afterEach(async () => {
+    await act(() => root.unmount());
+    host.remove();
+    vi.unstubAllGlobals();
+  });
+
+  test("opens and closes anchored session details from the target", async () => {
+    await act(() =>
+      root.render(
+        <MantineProvider env="test">
+          <ControlledPopover>Open session</ControlledPopover>
+        </MantineProvider>,
+      ),
+    );
+
+    const target = host.querySelector("button");
+    expect(target?.getAttribute("aria-expanded")).toBe("false");
+
+    await act(async () => {
+      target?.click();
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+    expect(target?.getAttribute("aria-expanded")).toBe("true");
+    expect(document.body.textContent).toContain("Example movie");
+
+    await act(async () => {
+      target?.click();
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+    expect(target?.getAttribute("aria-expanded")).toBe("false");
+  });
+});