diff --git a/apps/web/e2e/chat-contrast.spec.ts b/apps/web/e2e/chat-contrast.spec.ts
new file mode 100644
index 0000000..c950ab6
--- /dev/null
+++ b/apps/web/e2e/chat-contrast.spec.ts
@@ -0,0 +1,262 @@
+import { expect, type Locator, type Page, test } from "@playwright/test";
+import {
+  captureScreenshot,
+  completeOnboarding,
+  createNamedBot,
+  openNewBot,
+  rpc,
+  signup,
+  waitForChatComposer,
+} from "./helpers";
+
+// WCAG AA for body text.
+const MIN_CONTRAST = 4.5;
+
+test.use({ viewport: { width: 1280, height: 1000 } });
+
+/**
+ * Texts in `locator` below WCAG AA against the surface they are painted on. With `inside`, every
+ * visible text and typed value within it counts, except in disabled controls, which WCAG exempts.
+ */
+function unreadableTexts(locator: Locator, inside: boolean) {
+  return locator.evaluate(
+    (root, { inside, min }) => {
+      const context = document
+        .createElement("canvas")
+        .getContext("2d", { willReadFrequently: true });
+      if (!context) throw new Error("No 2D canvas context");
+      // The canvas normalizes every CSS color syntax (oklab, color-mix, ...) to sRGB.
+      const rgba = (color: string) => {
+        context.clearRect(0, 0, 1, 1);
+        context.fillStyle = color;
+        context.fillRect(0, 0, 1, 1);
+        const [r = 0, g = 0, b = 0, a = 0] = context.getImageData(0, 0, 1, 1).data;
+        return [r / 255, g / 255, b / 255, a / 255] as const;
+      };
+      // One pixel of `color`, painted inside `from` and composited through every ancestor's
+      // background color and opacity onto the white canvas.
+      const paint = (color: readonly [number, number, number, number], from: Element) => {
+        let [r, g, b, a] = color;
+        for (let node: Element | null = from; node; node = node.parentElement) {
+          const style = getComputedStyle(node);
+          const [br, bg, bb, ba] = rgba(style.backgroundColor);
+          const alpha = a + ba * (1 - a);
+          if (alpha > 0) {
+            r = (r * a + br * ba * (1 - a)) / alpha;
+            g = (g * a + bg * ba * (1 - a)) / alpha;
+            b = (b * a + bb * ba * (1 - a)) / alpha;
+          }
+          a = alpha * Number(style.opacity);
+        }
+        return [r * a + 1 - a, g * a + 1 - a, b * a + 1 - a] as const;
+      };
+      const luminance = (rgb: readonly [number, number, number]) => {
+        const [r = 0, g = 0, b = 0] = rgb.map((channel) =>
+          channel <= 0.04045 ? channel / 12.92 : ((channel + 0.055) / 1.055) ** 2.4,
+        );
+        return 0.2126 * r + 0.7152 * g + 0.0722 * b;
+      };
+      const contrast = (element: Element) => {
+        const text = luminance(paint(rgba(getComputedStyle(element).color), element));
+        const surface = luminance(paint([0, 0, 0, 0], element));
+        return (Math.max(text, surface) + 0.05) / (Math.min(text, surface) + 0.05);
+      };
+      // What the element itself shows: a typed value, or its own text nodes.
+      const ownText = (element: Element) => {
+        if (element instanceof HTMLTextAreaElement) return element.value;
+        if (element instanceof HTMLInputElement) {
+          return /^(text|search|url|email|tel|number|password)$/.test(element.type)
+            ? element.value
+            : "";
+        }
+        return Array.from(element.childNodes, (node) =>
+          node.nodeType === Node.TEXT_NODE ? node.textContent : "",
+        )
+          .join("")
+          .trim();
+      };
+      const shown = (element: Element) => {
+        const { width, height } = element.getBoundingClientRect();
+        return width > 1 && height > 1 && element.checkVisibility();
+      };
+      const elements = inside
+        ? [root, ...root.querySelectorAll("*")].filter(
+            (element) => ownText(element) && shown(element) && !element.closest(":disabled"),
+          )
+        : [root];
+      return elements.flatMap((element) => {
+        const ratio = contrast(element);
+        const text = ownText(element) || element.textContent?.trim() || "";
+        return ratio < min ? [`${ratio.toFixed(2)}:1 ${text.slice(0, 48)}`] : [];
+      });
+    },
+    { inside, min: MIN_CONTRAST },
+  );
+}
+
+async function expectReadable(locator: Locator, what: string, { inside = false } = {}) {
+  await expect(locator).toBeVisible();
+  await expect
+    .poll(() => unreadableTexts(locator, inside), { message: `${what} is readable` })
+    .toEqual([]);
+}
+
+async function inEachTheme(page: Page, check: (theme: "light" | "dark") => Promise<void>) {
+  for (const theme of ["light", "dark"] as const) {
+    await page.emulateMedia({ colorScheme: theme });
+    await expect(page.locator("html")).toHaveAttribute("data-theme", theme);
+    await check(theme);
+  }
+}
+
+function runStatus(page: Page, groupId: string) {
+  return rpc<{ run?: { status: string } | null }>(page, "threads/get", { groupId }).then(
+    (snapshot) => snapshot.run?.status ?? "idle",
+  );
+}
+
+async function send(page: Page, groupId: string, text: string) {
+  await expect
+    .poll(() => runStatus(page, groupId), { timeout: 60_000 })
+    .not.toMatch(/^(queued|running)$/);
+  const composer = page.getByRole("combobox", { name: "Message" });
+  await composer.fill(text);
+  await composer.press("Enter");
+}
+
+test("conversation text stays readable in light and dark themes", async ({ page }, testInfo) => {
+  const stamp = Date.now();
+  await page.emulateMedia({ colorScheme: "light" });
+  await signup(page, `chat-contrast-${stamp}@rakazo.test`, "password12", "Contrast QA");
+  await completeOnboarding(page, undefined, { mainConversation: true });
+  const groupId = new URL(page.url()).pathname.split("/").at(-1)!;
+  await rpc(page, "bots/create", {
+    name: "Researcher",
+    title: "",
+    description: "",
+    instructions: "",
+    notifyOnFinish: true,
+  });
+  await page.reload();
+  await waitForChatComposer(page);
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "light");
+  const transcript = page.getByTestId("transcript");
+
+  // The scripted bot echoes the request, so its reply renders this markdown.
+  await send(
+    page,
+    groupId,
+    "Summarize the **owl facts** in `notes/owls.md`\n\n## Owl notes\n\n> Owls turn their heads\n\n```\nowls = 3\n```",
+  );
+  const firstMessage = transcript
+    .getByTestId("message-user-bubble")
+    .filter({ hasText: "Summarize the **owl facts**" });
+  const markdown = transcript
+    .locator(".rk-chat-markdown")
+    .filter({ hasText: "done. i handled: Summarize the owl facts" });
+  const reply = markdown.locator("p").filter({ hasText: "done. i handled" });
+  await expect(reply).toBeVisible({ timeout: 60_000 });
+
+  await send(page, groupId, "delegate to the bot named Researcher: collect three owl facts");
+  const task = transcript.getByTestId("delegated-task-card");
+  await expect(task).toHaveAttribute("data-status", "done", { timeout: 60_000 });
+  await expect(
+    transcript.getByText("closing the task: collect three owl facts.").first(),
+  ).toBeVisible({ timeout: 60_000 });
+
+  await send(page, groupId, "ask me which city to use");
+  await expect.poll(() => runStatus(page, groupId), { timeout: 60_000 }).toBe("waiting_input");
+  const question = transcript
+    .locator(".rk-chat-markdown p")
+    .filter({ hasText: /^Which city should I use\?$/ });
+  // threads/get can observe waiting_input before the realtime feed paints the ask card.
+  if ((await question.count()) === 0) {
+    await page.reload({ waitUntil: "domcontentloaded" });
+    await waitForChatComposer(page);
+  }
+  await expect(question).toBeVisible({ timeout: 15_000 });
+  const lastMessage = transcript
+    .getByTestId("message-user-bubble")
+    .filter({ hasText: "ask me which city to use" });
+  await task.locator("summary").click();
+  const brief = task.locator(".rk-chat-markdown p");
+  await expect(brief).toHaveText("collect three owl facts");
+
+  await inEachTheme(page, async (theme) => {
+    await firstMessage.scrollIntoViewIfNeeded();
+    await captureScreenshot(page, testInfo, `chat-contrast-${theme}-reply`);
+    await expectReadable(firstMessage, `${theme}: the user's own message`);
+    await expectReadable(reply, `${theme}: a bot reply`);
+    await expectReadable(reply.locator("strong"), `${theme}: bold text in a bot reply`);
+    await expectReadable(reply.locator("code"), `${theme}: inline code in a bot reply`);
+    await expectReadable(markdown.locator("h2"), `${theme}: a heading in a bot reply`);
+    await expectReadable(markdown.locator("blockquote p"), `${theme}: a quote in a bot reply`);
+    await expectReadable(markdown.locator("pre code"), `${theme}: a code block in a bot reply`);
+
+    await brief.scrollIntoViewIfNeeded();
+    await captureScreenshot(page, testInfo, `chat-contrast-${theme}-task`);
+    await expectReadable(brief, `${theme}: the delegated task brief`);
+
+    await question.scrollIntoViewIfNeeded();
+    await captureScreenshot(page, testInfo, `chat-contrast-${theme}-ask`);
+    await expectReadable(question, `${theme}: the ask card question`);
+    await expectReadable(lastMessage, `${theme}: the latest user message`);
+  });
+});
+
+test("shell surfaces stay readable in light and dark themes", async ({ page }, testInfo) => {
+  await page.emulateMedia({ colorScheme: "light" });
+  await signup(page, `shell-contrast-${Date.now()}@rakazo.test`, "password12", "Contrast QA");
+  await completeOnboarding(page);
+  await createNamedBot(page, "Researcher");
+  const composer = page.getByRole("combobox", { name: "Message" });
+  await composer.fill("Draft a note about owls");
+  const sidebar = page.getByTestId("bots-sidebar");
+  const sidePanel = page.getByTestId("side-panel");
+
+  await inEachTheme(page, async (theme) => {
+    await captureScreenshot(page, testInfo, `shell-contrast-${theme}`);
+    await expectReadable(composer, `${theme}: the composer draft`);
+    await expectReadable(page.getByTestId("composer-bar"), `${theme}: the composer`, {
+      inside: true,
+    });
+    await expectReadable(
+      sidebar.getByRole("button", { name: "Heute", exact: true }),
+      `${theme}: Heute`,
+      { inside: true },
+    );
+    await expectReadable(
+      sidebar.locator("[data-main-conversation]"),
+      `${theme}: the main conversation row`,
+      { inside: true },
+    );
+    await expectReadable(
+      sidebar.getByRole("button", { name: "Researcher, 1:1 conversation" }),
+      `${theme}: the selected bot row`,
+      { inside: true },
+    );
+    await expectReadable(page.getByTestId("trading-mode-status"), `${theme}: trading status`, {
+      inside: true,
+    });
+    await expectReadable(page.getByTestId("user-menu-trigger"), `${theme}: the user menu`, {
+      inside: true,
+    });
+  });
+
+  await openNewBot(page);
+  await page.getByTestId("create-bot-form").locator("label:has-text('Name') input").fill("Owl");
+  await inEachTheme(page, async (theme) => {
+    await captureScreenshot(page, testInfo, `shell-contrast-${theme}-new-bot`);
+    await expectReadable(sidePanel, `${theme}: the new bot form`, { inside: true });
+  });
+
+  await page.getByRole("button", { name: "Cancel new bot" }).click();
+  await page.getByTestId("bot-settings-trigger").click();
+  const advanced = page.getByTestId("bot-settings-advanced");
+  await advanced.locator("summary").click();
+  await expect(advanced.getByText("Open work")).toBeVisible();
+  await inEachTheme(page, async (theme) => {
+    await captureScreenshot(page, testInfo, `shell-contrast-${theme}-settings`);
+    await expectReadable(sidePanel, `${theme}: the bot settings form`, { inside: true });
+  });
+});
diff --git a/apps/web/src/components/stage/OoStage.tsx b/apps/web/src/components/stage/OoStage.tsx
index b5143c7..25fa582 100644
--- a/apps/web/src/components/stage/OoStage.tsx
+++ b/apps/web/src/components/stage/OoStage.tsx
@@ -175,7 +175,7 @@ export function OoStage({
         {(hasMessages || phase !== "idle") && (
           <div className={`flex w-full justify-center ${hasMessages ? "mb-1" : "mb-3"}`}>
             <div
-              className="inline-flex items-center gap-2 rounded-full border border-foreground/10 bg-foreground/[0.05] px-2.5 py-0.5 text-ui-label font-semibold uppercase tracking-wider text-muted-foreground backdrop-blur-sm"
+              className="inline-flex items-center gap-2 rounded-full border border-border bg-foreground/5 px-2.5 py-0.5 text-ui-label font-semibold uppercase tracking-wider text-muted-foreground backdrop-blur-sm"
               style={
                 reducedMotion
                   ? undefined
@@ -280,7 +280,7 @@ function StageEnsemble({
         return (
           <li key={member.botId} className="flex flex-col items-center gap-1" title={member.name}>
             <div
-              className={`relative flex size-14 items-center justify-center rounded-full border border-border bg-card backdrop-blur-md dark:border-foreground/12 dark:bg-slate-950/40 ${
+              className={`relative flex size-14 items-center justify-center rounded-full border border-border bg-muted/40 backdrop-blur-md ${
                 isWorking && !reducedMotion ? "animate-pulse" : ""
               }`}
             >
@@ -484,7 +484,7 @@ export function OoGroupStage({
         className={`relative z-10 mx-auto flex w-full max-w-3xl flex-col items-center px-4 md:px-8 ${hasMessages ? "py-2 md:py-3" : "py-5 md:py-6"}`}
       >
         <div className="mb-3 w-full min-w-0 text-center">
-          <div className="inline-flex items-center gap-2 rounded-full border border-foreground/10 bg-foreground/[0.05] px-2.5 py-0.5 text-ui-label font-semibold uppercase tracking-wider text-muted-foreground backdrop-blur-sm">
+          <div className="inline-flex items-center gap-2 rounded-full border border-border bg-foreground/5 px-2.5 py-0.5 text-ui-label font-semibold uppercase tracking-wider text-muted-foreground backdrop-blur-sm">
             <span
               className={`size-1.5 rounded-full ${
                 running ? "bg-violet-400" : "bg-emerald-400"
diff --git a/apps/web/src/components/stage/StageHero.tsx b/apps/web/src/components/stage/StageHero.tsx
index 592b89d..6eaf225 100644
--- a/apps/web/src/components/stage/StageHero.tsx
+++ b/apps/web/src/components/stage/StageHero.tsx
@@ -9,12 +9,12 @@ export type StagePresencePhase =
   | "error";
 
 const PHASE_BAR_COLOR: Record<StagePresencePhase, string> = {
-  idle: "bg-emerald-500/70 dark:bg-emerald-400/60",
-  working: "bg-violet-500/75 dark:bg-violet-400/70",
-  listening: "bg-cyan-500/90 dark:bg-cyan-400/90",
-  thinking: "bg-violet-500/75 dark:bg-violet-400/70",
-  speaking: "bg-emerald-500/90 dark:bg-emerald-400/90",
-  error: "bg-rose-500/80 dark:bg-rose-400/80",
+  idle: "bg-emerald-400/60",
+  working: "bg-violet-400/70",
+  listening: "bg-cyan-400/90",
+  thinking: "bg-violet-400/70",
+  speaking: "bg-emerald-400/90",
+  error: "bg-rose-400/80",
 };
 
 export function StageHero({
@@ -55,7 +55,7 @@ export function StageHero({
       ) : null}
 
       <div
-        className={`relative flex ${orbSize} items-center justify-center rounded-full border border-border bg-card shadow-[0_12px_32px_-12px_rgba(24,24,22,0.18)] backdrop-blur-xl dark:border-foreground/14 dark:bg-slate-950/45 dark:shadow-[0_16px_48px_rgba(0,0,0,0.45),inset_0_1px_0_rgba(255,255,255,0.12)]`}
+        className={`relative flex ${orbSize} items-center justify-center rounded-full border border-border bg-muted/45 shadow-[0_12px_32px_-12px_rgba(24,24,22,0.18)] backdrop-blur-xl dark:shadow-[0_16px_48px_rgba(0,0,0,0.45),inset_0_1px_0_rgba(255,255,255,0.12)]`}
       >
         {reducedMotion ? null : (
           <div
diff --git a/apps/web/src/components/stage/TextStageCanvas.tsx b/apps/web/src/components/stage/TextStageCanvas.tsx
index c9d9589..13c3408 100644
--- a/apps/web/src/components/stage/TextStageCanvas.tsx
+++ b/apps/web/src/components/stage/TextStageCanvas.tsx
@@ -34,11 +34,8 @@ export function TextStageCanvas({
   const personaTint = ACCENT_TINT[personaAccent];
 
   return (
-    <div
-      aria-hidden
-      className="pointer-events-none absolute inset-0 overflow-hidden opacity-60 dark:opacity-100"
-    >
-      <div className="absolute inset-0 dark:bg-[radial-gradient(ellipse_100%_70%_at_50%_0%,rgba(12,16,24,0.55)_0%,transparent_68%)]" />
+    <div aria-hidden className="pointer-events-none absolute inset-0 overflow-hidden">
+      <div className="absolute inset-0 bg-radial-[ellipse_100%_70%_at_50%_0%] from-card/55 to-transparent to-68%" />
       <div
         className={`absolute left-1/2 top-0 h-[min(48vh,320px)] w-[min(72vw,480px)] -translate-x-1/2 rounded-full blur-[72px] ${reducedMotion ? "" : "voice-bloom-emerald"}`}
         style={{
diff --git a/apps/web/src/components/voice/VoiceAwarenessStrip.tsx b/apps/web/src/components/voice/VoiceAwarenessStrip.tsx
index ed191a8..7e026e9 100644
--- a/apps/web/src/components/voice/VoiceAwarenessStrip.tsx
+++ b/apps/web/src/components/voice/VoiceAwarenessStrip.tsx
@@ -28,15 +28,15 @@ export function VoiceAwarenessStrip({
     <div
       role="status"
       data-testid="voice-awareness"
-      className="mx-auto flex max-w-2xl items-start gap-3 rounded-[20px] border border-foreground/10 bg-foreground/[0.05] px-4 py-3 backdrop-blur-md"
+      className="mx-auto flex max-w-2xl items-start gap-3 rounded-[20px] border border-border bg-muted/40 px-4 py-3 backdrop-blur-md"
     >
       <BotAvatar color={botColor} identity={botId} size={32} className="shrink-0" />
       <div className="min-w-0 flex-1 text-start">
-        <div className="flex items-center gap-2 text-ui-label font-semibold uppercase tracking-wide text-foreground/75">
+        <div className="flex items-center gap-2 text-ui-label font-semibold uppercase tracking-wide text-muted-foreground">
           <Icon strokeWidth={1.8} className="size-icon-sm shrink-0 opacity-80" />
           <span>{awarenessKindLabel(event.kind)}</span>
         </div>
-        <p dir="auto" className="mt-1 text-ui-body leading-relaxed text-foreground/90">
+        <p dir="auto" className="mt-1 text-ui-body leading-relaxed text-foreground">
           {label}
         </p>
       </div>
diff --git a/apps/web/src/pages/ScratchpadSection.tsx b/apps/web/src/pages/ScratchpadSection.tsx
index 3f67545..10d36a4 100644
--- a/apps/web/src/pages/ScratchpadSection.tsx
+++ b/apps/web/src/pages/ScratchpadSection.tsx
@@ -106,7 +106,7 @@ export function ScratchpadSection({ botId }: { botId: string }) {
         <Trans>Open work</Trans>
       </div>
       {items.length === 0 ? (
-        <div className="py-1 text-ui-body text-muted-foreground/80">
+        <div className="py-1 text-ui-body text-muted-foreground">
           <Trans>None yet</Trans>
         </div>
       ) : (
diff --git a/apps/web/src/pages/Shell.tsx b/apps/web/src/pages/Shell.tsx
index bbd92a0..ae34218 100644
--- a/apps/web/src/pages/Shell.tsx
+++ b/apps/web/src/pages/Shell.tsx
@@ -290,7 +290,6 @@ import {
   rosterRowClass,
   rosterTimeClass,
   rosterUnreadDotClass,
-  selectedSidebarRowClass,
 } from "./shell/roster-row-style";
 import { WindowChrome } from "./WindowChrome";
 
@@ -3355,7 +3354,7 @@ export function ShellPage() {
     <div
       data-testid="shell-root"
       data-ready={shellReady}
-      className="relative flex h-full min-w-0 overflow-hidden bg-sidebar dark:bg-black dark:bg-[radial-gradient(ellipse_at_top,_var(--tw-gradient-stops))] dark:from-zinc-900 dark:via-black dark:to-black text-foreground/90 p-0 md:p-3 gap-0 md:gap-3"
+      className="relative flex h-full min-w-0 overflow-hidden bg-background text-foreground/90 p-0 md:p-3 gap-0 md:gap-3"
       onTouchStartCapture={(event) => {
         if (
           mobileSidebarOpen ||
@@ -3429,7 +3428,7 @@ export function ShellPage() {
           width: mobileSidebarOpen ? undefined : botsSidebarCollapsed ? 0 : leftSidebarWidth,
           maxWidth: mobileSidebarOpen ? 316 : undefined,
         }}
-        className={`absolute inset-y-0 start-0 z-40 flex w-[calc(100%-48px)] shrink-0 flex-col md:rounded-2xl md:border md:border-transparent md:shadow-none dark:md:border-foreground/10 dark:md:shadow-2xl bg-sidebar md:static md:z-auto md:translate-x-0 ${
+        className={`absolute inset-y-0 start-0 z-40 flex w-[calc(100%-48px)] shrink-0 flex-col md:rounded-2xl md:border md:border-sidebar-border md:shadow-2xl bg-sidebar md:static md:z-auto md:translate-x-0 ${
           mobileSidebarOpen ? "translate-x-0" : "-translate-x-full rtl:translate-x-full"
         } ${
           botsSidebarCollapsed
@@ -3566,13 +3565,9 @@ export function ShellPage() {
                     setActiveNavPillar("heute");
                     setMobileSidebarOpen(false);
                   }}
-                  className={`flex w-full items-center gap-3 rounded-2xl px-3 py-3 text-start transition-all duration-150 cursor-pointer min-h-[52px] ${
-                    activeNavPillar === "heute"
-                      ? selectedSidebarRowClass
-                      : "hover:bg-foreground/[0.04]"
-                  }`}
+                  className={rosterRowClass(activeNavPillar === "heute")}
                 >
-                  <div className="relative grid size-control-lg shrink-0 place-items-center rounded-full bg-emerald-500/10 text-emerald-700 dark:text-emerald-400">
+                  <div className="relative grid size-control-lg shrink-0 place-items-center rounded-full bg-muted text-muted-foreground">
                     <Calendar strokeWidth={2.2} className="size-icon-md" />
                     {heuteActionCount > 0 ? (
                       <span
@@ -3827,11 +3822,9 @@ export function ShellPage() {
                                 />
                                 <span
                                   className={`absolute -bottom-0.5 -right-0.5 size-2.5 rounded-full border-2 border-sidebar ${
-                                    rosterStatusDot(item.chat.status) === "needs-you"
-                                      ? "bg-warning animate-pulse"
-                                      : rosterStatusDot(item.chat.status) === "working"
-                                        ? "bg-amber-500 animate-pulse dark:bg-amber-400"
-                                        : "bg-emerald-500 dark:bg-emerald-400"
+                                    rosterStatusDot(item.chat.status) === "idle"
+                                      ? "bg-success"
+                                      : "bg-warning animate-pulse"
                                   }`}
                                 />
                               </div>
@@ -3852,7 +3845,7 @@ export function ShellPage() {
                                         {needsYouChipLabel(item.chat.status)}
                                       </span>
                                     ) : item.chat.title ? (
-                                      <span className="min-w-0 truncate rounded-full border border-emerald-500/25 bg-emerald-500/10 px-2 py-0.5 text-ui-label font-medium text-emerald-700 dark:text-emerald-400">
+                                      <span className="min-w-0 truncate rounded-full border border-border bg-muted px-2 py-0.5 text-ui-label font-medium text-muted-foreground">
                                         {item.chat.title}
                                       </span>
                                     ) : null}
@@ -3906,7 +3899,7 @@ export function ShellPage() {
                 })}
                 <div className="sidebar-projekte">
                   {/* PROJEKTE SECTION */}
-                  <div className="flex items-center justify-between pt-4 pb-1 mt-3 border-t border-foreground/5 px-2.5">
+                  <div className="flex items-center justify-between pt-4 pb-1 mt-3 border-t border-sidebar-border px-2.5">
                     <div>
                       <div className="rk-shell-section-label">{t`Projekte`}</div>
                       <p className="mt-0.5 px-0.5 text-ui-caption text-muted-foreground/70">
@@ -4093,15 +4086,11 @@ export function ShellPage() {
                                         position: { x: event.clientX, y: event.clientY },
                                       });
                                     }}
-                                    className={`flex w-full items-center gap-3 rounded-2xl px-3 py-3 mb-[2px] text-start transition-all duration-150 cursor-pointer min-h-[52px] ${
-                                      item.kind === "bot" && !inGroup && active?.id === item.chat.id
-                                        ? selectedSidebarRowClass
-                                        : item.kind === "group" &&
-                                            inGroup &&
-                                            activeGroup?.id === item.chat.id
-                                          ? selectedSidebarRowClass
-                                          : "hover:bg-foreground/[0.05] border border-transparent"
-                                    }`}
+                                    className={rosterRowClass(
+                                      item.kind === "bot"
+                                        ? !inGroup && active?.id === item.chat.id
+                                        : inGroup && activeGroup?.id === item.chat.id,
+                                    )}
                                   >
                                     {item.kind === "bot" ? (
                                       <BotAvatar
@@ -4118,34 +4107,30 @@ export function ShellPage() {
                                         <div className="flex min-w-0 items-center gap-2 overflow-hidden">
                                           <span
                                             dir="auto"
-                                            className={`shrink-0 max-w-[170px] truncate text-ui-body tracking-tight ${
-                                              item.chat.unread
-                                                ? "font-bold text-foreground"
-                                                : "font-semibold text-foreground/95"
-                                            }`}
+                                            className={`shrink-0 max-w-[170px] truncate text-ui-body tracking-tight ${rosterNameClass(
+                                              item.chat.unread,
+                                            )}`}
                                           >
                                             {item.chat.name}
                                           </span>
                                         </div>
                                         <div className="flex shrink-0 items-center gap-1.5">
-                                          <span className="text-ui-body-sm text-muted-foreground tabular-nums font-medium">
+                                          <span className={rosterTimeClass}>
                                             {formatRosterTime(item.chat.updatedAt)}
                                           </span>
                                           {item.chat.unread ? (
                                             <span
                                               aria-hidden="true"
-                                              className="inline-block h-2 w-2 rounded-full bg-emerald-400"
+                                              className={rosterUnreadDotClass}
                                             />
                                           ) : null}
                                         </div>
                                       </div>
                                       <div
                                         dir="auto"
-                                        className={`mt-0.5 truncate text-ui-body leading-snug ${
-                                          item.chat.unread
-                                            ? "font-medium text-foreground"
-                                            : "text-foreground/75"
-                                        }`}
+                                        className={`mt-0.5 truncate text-ui-body leading-snug ${rosterPreviewClass(
+                                          item.chat.unread,
+                                        )}`}
                                       >
                                         {cleanRosterPreview(item.chat.preview)}
                                       </div>
@@ -4357,7 +4342,7 @@ export function ShellPage() {
       <main
         aria-hidden={mobileSidebarOpen || undefined}
         inert={mobileSidebarOpen}
-        className="flex min-w-0 flex-1 flex-col bg-background md:rounded-2xl md:border md:border-border md:shadow-sm dark:md:border-foreground/10 dark:md:shadow-2xl overflow-hidden transition-all duration-300 ease-[cubic-bezier(0.16,1,0.3,1)]"
+        className="flex min-w-0 flex-1 flex-col bg-background md:rounded-2xl md:border md:border-border md:shadow-2xl overflow-hidden transition-all duration-300 ease-[cubic-bezier(0.16,1,0.3,1)]"
       >
         {activeNavPillar === "heute" ? (
           <div className="flex h-full flex-1 flex-col overflow-hidden">
@@ -4719,7 +4704,7 @@ export function ShellPage() {
               ? rightSidebarWidth
               : 0,
         }}
-        className={`absolute inset-y-0 end-0 z-20 flex min-h-0 shrink-0 flex-col overflow-hidden bg-background md:rounded-2xl md:border md:border-border md:shadow-sm dark:md:border-foreground/10 dark:md:shadow-2xl md:relative ${
+        className={`absolute inset-y-0 end-0 z-20 flex min-h-0 shrink-0 flex-col overflow-hidden bg-background md:rounded-2xl md:border md:border-border md:shadow-2xl md:relative ${
           panel &&
           (
             active ||
@@ -4823,8 +4808,8 @@ export function ShellPage() {
                   />
                   {isDesktop ? (
                     devServerRunning ? (
-                      <span className="inline-flex items-center gap-1 rounded-full bg-emerald-500/10 px-2 py-0.5 text-ui-label font-medium text-emerald-700 dark:text-emerald-400">
-                        <span className="size-1.5 rounded-full bg-emerald-400" />
+                      <span className="inline-flex items-center gap-1 rounded-full bg-muted px-2 py-0.5 text-ui-label font-medium text-foreground">
+                        <span className="size-1.5 rounded-full bg-success" />
                         <Trans>Dev</Trans>
                       </span>
                     ) : (
@@ -5003,7 +4988,7 @@ export function ShellPage() {
                     aria-label={t`Close`}
                     onClick={() => setShowCreateBotModal(false)}
                   />
-                  <div className="relative z-10 max-h-[90vh] w-[480px] overflow-y-auto rounded-2xl border border-border bg-popover p-6 shadow-2xl">
+                  <div className="relative z-10 max-h-[90vh] w-[480px] overflow-y-auto rounded-2xl border border-border bg-popover p-6 text-popover-foreground shadow-2xl">
                     <div className="mb-4 flex items-center justify-between">
                       <h2 className="text-lg font-semibold text-foreground">
                         <Trans>Create new Bot</Trans>
@@ -6109,10 +6094,9 @@ const Transcript = memo(function Transcript({
                 <EvooMascot size={76} pose="greeting" interactive trackPointer="hover" />
               </div>
               <h2 className="text-3xl font-bold tracking-tight text-foreground mb-2">
-                {t`Guten Tag.`} <span className="text-emerald-700 dark:text-emerald-400">evOo</span>{" "}
-                {t`ist bereit.`}
+                {t`Guten Tag.`} evOo {t`ist bereit.`}
               </h2>
-              <p className="max-w-md text-ui-body leading-relaxed text-foreground/75 mb-8 font-normal">
+              <p className="max-w-md text-ui-body leading-relaxed text-foreground/85 mb-8 font-normal">
                 {activeName
                   ? t`Frag ${activeName} nach Marktchancen, autonomen Tasks oder Architektur-Reviews.`
                   : t`Wähle einen autonomen Agenten aus deinem Team oder starte direkt einen Prompt.`}
@@ -6123,10 +6107,10 @@ const Transcript = memo(function Transcript({
                   onClick={() => {
                     onPromptSelect?.(t`⚡ Führe einen autonomen Portfolio- und Risiko-Check durch`);
                   }}
-                  className="apple-glass-card group flex flex-col items-start p-4 rounded-2xl text-start transition-all hover:scale-[1.02] hover:border-emerald-500/40 cursor-pointer"
+                  className="apple-glass-card flex flex-col items-start p-4 rounded-2xl text-start transition-all hover:scale-[1.02] cursor-pointer"
                 >
                   <span className="text-xl mb-2">⚡</span>
-                  <span className="text-[14.5px] font-semibold text-foreground group-hover:text-emerald-700 dark:group-hover:text-emerald-400 transition-colors">
+                  <span className="text-[14.5px] font-semibold text-foreground">
                     {t`Portfolio-Check`}
                   </span>
                   <span className="text-ui-body-sm text-muted-foreground mt-1 leading-snug">
@@ -6138,10 +6122,10 @@ const Transcript = memo(function Transcript({
                   onClick={() => {
                     onPromptSelect?.(t`📈 Scanne den Markt nach aktuellen Alpha-Signalen`);
                   }}
-                  className="apple-glass-card group flex flex-col items-start p-4 rounded-2xl text-start transition-all hover:scale-[1.02] hover:border-sky-500/40 cursor-pointer"
+                  className="apple-glass-card flex flex-col items-start p-4 rounded-2xl text-start transition-all hover:scale-[1.02] cursor-pointer"
                 >
                   <span className="text-xl mb-2">📈</span>
-                  <span className="text-[14.5px] font-semibold text-foreground group-hover:text-sky-700 dark:group-hover:text-sky-400 transition-colors">
+                  <span className="text-[14.5px] font-semibold text-foreground">
                     {t`Alpha-Signale`}
                   </span>
                   <span className="text-ui-body-sm text-muted-foreground mt-1 leading-snug">
@@ -6153,10 +6137,10 @@ const Transcript = memo(function Transcript({
                   onClick={() => {
                     onPromptSelect?.(t`💎 Führe ein Steve Jobs UX & Architektur-Audit durch`);
                   }}
-                  className="apple-glass-card group flex flex-col items-start p-4 rounded-2xl text-start transition-all hover:scale-[1.02] hover:border-purple-500/40 cursor-pointer"
+                  className="apple-glass-card flex flex-col items-start p-4 rounded-2xl text-start transition-all hover:scale-[1.02] cursor-pointer"
                 >
                   <span className="text-xl mb-2">💎</span>
-                  <span className="text-[14.5px] font-semibold text-foreground group-hover:text-purple-700 dark:group-hover:text-purple-400 transition-colors">
+                  <span className="text-[14.5px] font-semibold text-foreground">
                     {t`Steve Jobs Audit`}
                   </span>
                   <span className="text-ui-body-sm text-muted-foreground mt-1 leading-snug">
@@ -6735,8 +6719,8 @@ const Composer = memo(function Composer({
         {/* Quick Action Prompt Chips */}
         {showComposerPlaceholder ? (
           <div className="mb-3 flex items-center gap-2 overflow-x-auto no-scrollbar py-1">
-            <span className="flex items-center gap-1.5 text-ui-label font-semibold uppercase tracking-wider text-emerald-700 dark:text-emerald-400 shrink-0 px-2.5 py-1 rounded-full bg-emerald-500/10 border border-emerald-500/20 me-1 shadow-xs">
-              <Sparkles className="text-amber-700 dark:text-amber-400 size-icon-sm" />
+            <span className="flex items-center gap-1.5 text-ui-label font-semibold uppercase tracking-wider text-muted-foreground shrink-0 px-2.5 py-1 rounded-full bg-muted/40 border border-border me-1 shadow-xs">
+              <Sparkles className="text-amber-400 size-icon-sm" />
               Quick
             </span>
             {quickPromptsForBot(activeName).map((promptText) => (
@@ -6747,7 +6731,7 @@ const Composer = memo(function Composer({
                   updateDraft(promptText);
                   focusComposer();
                 }}
-                className="shrink-0 rounded-full border border-foreground/[0.1] bg-foreground/[0.05] px-3.5 py-1.5 text-ui-body-sm font-medium text-foreground/85 hover:border-foreground/20 dark:hover:border-emerald-500/40 hover:bg-foreground/[0.1] hover:text-foreground transition-all shadow-sm active:scale-95 cursor-pointer"
+                className="shrink-0 rounded-full border border-border bg-muted/40 px-3.5 py-1.5 text-ui-body-sm font-medium text-foreground/85 hover:bg-accent hover:text-foreground transition-all shadow-sm active:scale-95 cursor-pointer"
               >
                 {promptText}
               </button>
@@ -6930,7 +6914,7 @@ const Composer = memo(function Composer({
         ) : null}
         <div
           data-testid="composer-bar"
-          className="apple-island relative flex items-center gap-3.5 rounded-[30px] py-3 pe-3.5 ps-4 transition-all duration-200 focus-within:border-foreground/25 dark:focus-within:border-emerald-500/40 dark:focus-within:shadow-[0_20px_50px_-10px_rgba(0,0,0,0.85),inset_0_1px_0_rgba(255,255,255,0.22),0_0_0_1px_rgba(16,185,129,0.35)] dark:shadow-[0_16px_40px_-8px_rgba(0,0,0,0.7),inset_0_1px_0_rgba(255,255,255,0.14)]"
+          className="apple-island relative flex items-center gap-3.5 rounded-[30px] py-3 pe-3.5 ps-4 transition-all duration-200"
         >
           <input
             ref={fileInputRef}
@@ -6946,7 +6930,7 @@ const Composer = memo(function Composer({
             aria-label={t`Attach file`}
             disabled={disabled}
             onClick={() => fileInputRef.current?.click()}
-            className="tactile-press size-10 shrink-0 rounded-full border border-foreground/10 bg-foreground/[0.06] text-foreground/80 transition-all hover:bg-foreground/[0.12] hover:text-foreground flex items-center justify-center cursor-pointer"
+            className="tactile-press size-10 shrink-0 rounded-full border border-border bg-foreground/5 text-foreground/80 transition-all hover:bg-foreground/10 hover:text-foreground flex items-center justify-center cursor-pointer"
           >
             <Plus strokeWidth={2.2} className="size-icon-lg" />
           </Button>
@@ -6954,12 +6938,9 @@ const Composer = memo(function Composer({
             {selectedSkill ? (
               <span
                 data-testid="skill-chip"
-                className="inline-flex max-w-full items-center gap-1.5 rounded-full border border-foreground/10 bg-foreground/[0.08] px-3 py-1 text-ui-body font-medium text-foreground backdrop-blur-md"
+                className="inline-flex max-w-full items-center gap-1.5 rounded-full border border-border bg-foreground/[0.08] px-3 py-1 text-ui-body font-medium text-foreground backdrop-blur-md"
               >
-                <Box
-                  strokeWidth={1.8}
-                  className="shrink-0 text-blue-700 dark:text-blue-400 size-icon-md"
-                />
+                <Box strokeWidth={1.8} className="shrink-0 text-muted-foreground size-icon-md" />
                 <span dir="auto" className="truncate">
                   {selectedSkill.name}
                 </span>
@@ -6978,7 +6959,7 @@ const Composer = memo(function Composer({
                 key={mentionChipKey(mention)}
                 data-testid="mention-chip"
                 data-mention-kind={mention.kind}
-                className="inline-flex max-w-full items-center gap-1.5 rounded-full border border-foreground/10 bg-foreground/[0.08] px-3 py-1 text-ui-body font-medium text-foreground backdrop-blur-md"
+                className="inline-flex max-w-full items-center gap-1.5 rounded-full border border-border bg-foreground/[0.08] px-3 py-1 text-ui-body font-medium text-foreground backdrop-blur-md"
               >
                 <MentionChipIcon mention={mention} />
                 <span dir="auto" className="truncate">
@@ -7058,7 +7039,7 @@ const Composer = memo(function Composer({
               autoComplete="off"
               dir="auto"
               rows={1}
-              className="max-h-36 min-h-[28px] min-w-[8rem] flex-1 resize-none overflow-y-auto bg-transparent py-1 text-[16.5px] leading-[1.55] text-foreground outline-none placeholder:text-muted-foreground/75 disabled:opacity-40 font-normal selection:bg-emerald-500/30"
+              className="max-h-36 min-h-[28px] min-w-[8rem] flex-1 resize-none overflow-y-auto bg-transparent py-1 text-[16.5px] leading-[1.55] text-foreground outline-none placeholder:text-muted-foreground/75 disabled:opacity-40 font-normal"
             />
           </div>
           {onVoice ? (
@@ -7091,7 +7072,7 @@ const Composer = memo(function Composer({
                 aria-label={t`Send`}
                 disabled={!canSend || disabled}
                 onClick={send}
-                className="tactile-press size-10 rounded-full bg-primary text-primary-foreground hover:bg-primary/85 dark:bg-emerald-400 dark:text-slate-950 dark:hover:bg-emerald-300 dark:shadow-[0_0_16px_rgba(16,185,129,0.35)] transition-transform active:scale-90 flex items-center justify-center cursor-pointer"
+                className="tactile-press size-10 rounded-full transition-transform active:scale-90 flex items-center justify-center cursor-pointer"
               >
                 <ArrowUp strokeWidth={2.6} className="size-icon-lg" />
               </Button>
@@ -7101,7 +7082,7 @@ const Composer = memo(function Composer({
                 aria-label={t`Stop`}
                 disabled={sending}
                 onClick={() => void onStop()}
-                className="tactile-press size-10 rounded-full border border-foreground/15 bg-foreground/[0.08] text-foreground/90 shadow-sm transition-colors hover:bg-foreground/[0.15] hover:text-foreground flex items-center justify-center cursor-pointer"
+                className="tactile-press size-10 rounded-full border border-border bg-foreground/[0.08] text-foreground/90 shadow-sm transition-colors hover:bg-foreground/15 hover:text-foreground flex items-center justify-center cursor-pointer"
               >
                 <Square strokeWidth={0} fill="currentColor" className="size-icon-sm" />
               </Button>
@@ -7112,7 +7093,7 @@ const Composer = memo(function Composer({
               aria-label={t`Send`}
               disabled={!canSend || disabled}
               onClick={send}
-              className="tactile-press size-10 shrink-0 rounded-full bg-primary text-primary-foreground hover:bg-primary/85 dark:bg-emerald-400 dark:text-slate-950 dark:hover:bg-emerald-300 dark:shadow-[0_0_16px_rgba(16,185,129,0.35)] transition-all active:scale-90 disabled:bg-foreground/[0.08] disabled:text-foreground/20 disabled:shadow-none dark:disabled:bg-foreground/[0.08] dark:disabled:text-foreground/20 dark:disabled:shadow-none flex items-center justify-center cursor-pointer"
+              className="tactile-press size-10 shrink-0 rounded-full transition-all active:scale-90 disabled:bg-foreground/[0.08] disabled:text-foreground/20 flex items-center justify-center cursor-pointer"
             >
               <ArrowUp strokeWidth={2.6} className="size-icon-lg" />
             </Button>
@@ -7509,7 +7490,7 @@ const MessageView = memo(function MessageView({
       {effectiveSpeakerName && message.role === "bot" && !encounterMode ? (
         <div className="mb-2 flex items-center justify-between">
           <div className="flex items-center gap-2.5">
-            <div className="relative flex items-center justify-center size-7 rounded-xl bg-foreground/[0.08] border border-foreground/[0.12] shadow-xs">
+            <div className="relative flex items-center justify-center size-7 rounded-xl bg-foreground/[0.08] border border-border shadow-xs">
               <EvooMascot size={22} interactive={false} pose={isLive ? "working" : "idle"} />
             </div>
             <div className="flex items-center gap-2">
@@ -7519,7 +7500,7 @@ const MessageView = memo(function MessageView({
               >
                 {effectiveSpeakerName}
               </span>
-              <span className="rounded-full bg-emerald-500/15 border border-emerald-500/25 px-2 py-0.5 text-ui-label font-medium text-emerald-700 dark:text-emerald-400">
+              <span className="rounded-full border border-border bg-muted px-2 py-0.5 text-ui-label font-medium text-muted-foreground">
                 Oo
               </span>
             </div>
@@ -7880,8 +7861,8 @@ const MessageView = memo(function MessageView({
                 data-testid="message-user-bubble"
                 className={
                   encounterMode
-                    ? "max-w-full whitespace-pre-wrap wrap-anywhere rounded-2xl border border-foreground/10 bg-foreground/[0.06] px-3.5 py-2 text-ui-body-sm leading-relaxed text-foreground/95"
-                    : "chat-bubble-user max-w-full whitespace-pre-wrap wrap-anywhere rounded-[24px] px-6 py-4 text-[17px] leading-[1.62] text-chat-user-foreground dark:text-[#FAFAFA] dark:shadow-md"
+                    ? "max-w-full whitespace-pre-wrap wrap-anywhere rounded-2xl bg-chat-user px-3.5 py-2 text-ui-body-sm leading-relaxed text-chat-user-foreground"
+                    : "chat-bubble-user max-w-full whitespace-pre-wrap wrap-anywhere rounded-[24px] px-6 py-4 text-[17px] leading-[1.62] text-chat-user-foreground shadow-md"
                 }
                 dir="auto"
               >
@@ -7903,7 +7884,7 @@ const MessageView = memo(function MessageView({
                 dir="auto"
               >
                 <ChatMarkdown>{block.text}</ChatMarkdown>
-                <div className="mt-3 pt-2.5 flex items-center justify-between border-t border-foreground/[0.08] text-ui-label text-muted-foreground/75">
+                <div className="mt-3 pt-2.5 flex items-center justify-between border-t border-border text-ui-label text-muted-foreground/75">
                   <div className="flex items-center gap-3">
                     <button
                       type="button"
diff --git a/apps/web/src/pages/shell/bot-panel.tsx b/apps/web/src/pages/shell/bot-panel.tsx
index fb6563a..5120807 100644
--- a/apps/web/src/pages/shell/bot-panel.tsx
+++ b/apps/web/src/pages/shell/bot-panel.tsx
@@ -441,7 +441,7 @@ export function BotSettings({
           }}
         />
       </div>
-      <label htmlFor={`${ids}-name`} className="mt-4 block text-ui-body text-muted-foreground/80">
+      <label htmlFor={`${ids}-name`} className={fieldLabelClass}>
         <Trans>Name</Trans>
         <Input
           id={`${ids}-name`}
@@ -484,10 +484,7 @@ export function BotSettings({
           >
             <Trans>Notifications</Trans>
           </div>
-          <div
-            id={`${ids}-notify-finish-desc`}
-            className="text-ui-body-sm text-muted-foreground/70"
-          >
+          <div id={`${ids}-notify-finish-desc`} className="text-ui-body-sm text-muted-foreground">
             <Trans>Get notified when this Bot finishes or needs input</Trans>
           </div>
         </div>
diff --git a/apps/web/src/pages/shell/message-cards.tsx b/apps/web/src/pages/shell/message-cards.tsx
index f8bb677..d53e9f8 100644
--- a/apps/web/src/pages/shell/message-cards.tsx
+++ b/apps/web/src/pages/shell/message-cards.tsx
@@ -428,7 +428,7 @@ export function ChartBlockView({
           variant="outline"
           size="xs"
           onClick={() => setExpanded(true)}
-          className="absolute end-3 top-3 opacity-0 transition-opacity group-hover:opacity-100 focus-visible:opacity-100 rounded-full border-white/15 bg-white/10 text-white backdrop-blur-md"
+          className="absolute end-3 top-3 opacity-0 transition-opacity group-hover:opacity-100 focus-visible:opacity-100 rounded-full"
         >
           <Trans>Expand</Trans>
         </Button>
diff --git a/apps/web/src/pages/shell/roster-row-style.ts b/apps/web/src/pages/shell/roster-row-style.ts
index 528a6b1..b924524 100644
--- a/apps/web/src/pages/shell/roster-row-style.ts
+++ b/apps/web/src/pages/shell/roster-row-style.ts
@@ -1,23 +1,22 @@
-/** Selected sidebar row: a raised paper row in light, a lit glass row in dark. */
-export const selectedSidebarRowClass =
-  "border border-sidebar-border bg-sidebar-accent shadow-xs dark:border-emerald-500/30 dark:bg-foreground/[0.09] dark:shadow-[inset_0_1px_0_rgba(255,255,255,0.14),0_4px_16px_rgba(0,0,0,0.4)]";
-
 /** One look for sidebar conversation rows: the main conversation entry and the bot roster. */
 export function rosterRowClass(selected: boolean): string {
-  return `flex w-full items-center gap-3 rounded-2xl px-3 py-3 mb-[2px] text-start transition-all duration-150 cursor-pointer min-h-[52px] ${
-    selected ? selectedSidebarRowClass : "hover:bg-foreground/[0.05] border border-transparent"
+  return `flex w-full items-center gap-3 rounded-2xl border px-3 py-3 mb-[2px] text-start transition-all duration-150 cursor-pointer min-h-[52px] ${
+    selected
+      ? "border-sidebar-border bg-sidebar-accent shadow-xs dark:shadow-[inset_0_1px_0_rgba(255,255,255,0.14),0_4px_16px_rgba(0,0,0,0.4)]"
+      : "border-transparent hover:bg-sidebar-accent/50"
   }`;
 }
 
 export function rosterNameClass(unread: boolean): string {
-  return unread ? "font-bold text-foreground" : "font-semibold text-foreground/95";
+  return unread ? "font-bold text-sidebar-foreground" : "font-semibold text-sidebar-foreground";
 }
 
-export const rosterTimeClass = "text-ui-body-sm text-muted-foreground tabular-nums font-medium";
+// Muted text measures about 4.4:1 on the light sidebar; a dimmed foreground stays above 4.5:1.
+export const rosterTimeClass =
+  "text-ui-body-sm text-sidebar-foreground/65 tabular-nums font-medium";
 
-export const rosterUnreadDotClass =
-  "inline-block h-2 w-2 rounded-full bg-emerald-500 dark:bg-emerald-400";
+export const rosterUnreadDotClass = "inline-block h-2 w-2 rounded-full bg-sidebar-foreground";
 
 export function rosterPreviewClass(unread: boolean): string {
-  return unread ? "font-medium text-foreground" : "text-foreground/75";
+  return unread ? "font-medium text-sidebar-foreground" : "text-sidebar-foreground/85";
 }
diff --git a/apps/web/src/styles.css b/apps/web/src/styles.css
index 30473a2..6b6e3ea 100644
--- a/apps/web/src/styles.css
+++ b/apps/web/src/styles.css
@@ -11,13 +11,7 @@ body,
 #root {
   height: 100%;
   margin: 0;
-  background: #07090e;
-  background-image: radial-gradient(
-    circle at 50% 0%,
-    rgba(16, 185, 129, 0.07) 0%,
-    rgba(14, 165, 233, 0.04) 40%,
-    transparent 80%
-  );
+  background: var(--background);
   color: var(--foreground);
   font-family:
     "Inter Variable", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Geist Variable",
@@ -41,8 +35,8 @@ body,
 .apple-island {
   backdrop-filter: blur(36px) saturate(210%);
   -webkit-backdrop-filter: blur(36px) saturate(210%);
-  background: rgba(12, 16, 24, 0.88);
-  border: 1px solid rgba(255, 255, 255, 0.13);
+  background: color-mix(in srgb, var(--card) 88%, transparent);
+  border: 1px solid color-mix(in srgb, var(--foreground) 13%, transparent);
   box-shadow:
     0 18px 44px -8px rgba(0, 0, 0, 0.75),
     inset 0 1px 0 rgba(255, 255, 255, 0.16);
@@ -51,24 +45,24 @@ body,
 .apple-glass-card {
   backdrop-filter: blur(20px);
   -webkit-backdrop-filter: blur(20px);
-  background: rgba(16, 21, 30, 0.68);
-  border: 1px solid rgba(255, 255, 255, 0.09);
+  background: color-mix(in srgb, var(--card) 68%, transparent);
+  border: 1px solid var(--border);
   box-shadow:
     inset 0 1px 0 rgba(255, 255, 255, 0.1),
     0 6px 24px rgba(0, 0, 0, 0.35);
 }
 
 .chat-bubble-user {
-  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.98) 100%);
-  border: 1px solid rgba(255, 255, 255, 0.14);
+  background: var(--chat-user);
+  border: 1px solid var(--border);
   box-shadow:
     0 8px 24px -4px rgba(0, 0, 0, 0.5),
     inset 0 1px 0 rgba(255, 255, 255, 0.2);
 }
 
 .chat-bubble-bot {
-  background: rgba(15, 20, 29, 0.72);
-  border: 1px solid rgba(255, 255, 255, 0.08);
+  background: color-mix(in srgb, var(--card) 72%, transparent);
+  border: 1px solid var(--border);
   box-shadow:
     0 10px 32px -4px rgba(0, 0, 0, 0.35),
     inset 0 1px 0 rgba(255, 255, 255, 0.08);
@@ -76,45 +70,6 @@ body,
   -webkit-backdrop-filter: blur(20px);
 }
 
-/* Light theme: paper surfaces with hairline borders and soft, short shadows
-   instead of dark glass. */
-html[data-theme="light"],
-html[data-theme="light"] body,
-html[data-theme="light"] #root {
-  background: var(--sidebar);
-}
-
-[data-theme="light"] .apple-glass,
-[data-theme="light"] .apple-glass-card {
-  background: color-mix(in srgb, var(--card) 88%, transparent);
-  border-color: var(--border);
-  box-shadow:
-    0 1px 2px rgba(24, 24, 22, 0.04),
-    0 8px 24px -12px rgba(24, 24, 22, 0.1);
-}
-
-[data-theme="light"] .apple-island {
-  background: color-mix(in srgb, var(--card) 92%, transparent);
-  border-color: var(--input);
-  box-shadow:
-    0 1px 2px rgba(24, 24, 22, 0.05),
-    0 12px 32px -14px rgba(24, 24, 22, 0.16);
-}
-
-[data-theme="light"] .chat-bubble-user {
-  background: var(--chat-user);
-  border-color: transparent;
-  box-shadow: none;
-}
-
-[data-theme="light"] .chat-bubble-bot {
-  background: var(--card);
-  border-color: var(--border);
-  box-shadow: 0 1px 2px rgba(24, 24, 22, 0.04);
-  backdrop-filter: none;
-  -webkit-backdrop-filter: none;
-}
-
 /* Shell layout utilities — token-backed, use instead of one-off pixel classes */
 @layer components {
   .rk-shell-section-label {
@@ -134,7 +89,8 @@ html[data-theme="light"] #root {
   }
 }
 
-/* Gemini-Grade Accessible Typography (Apple-like with Inter Variable) */
+/* Gemini-Grade Accessible Typography (Apple-like with Inter Variable).
+   Heading, code and quote colors come from the shared @rakazo/chat-ui markdown styles. */
 .rk-chat-markdown {
   font-size: var(--font-size-reading);
   line-height: var(--line-height-reading);
@@ -149,8 +105,6 @@ html[data-theme="light"] #root {
 }
 
 .rk-chat-markdown pre {
-  background: rgba(8, 11, 16, 0.96);
-  border: 1px solid rgba(255, 255, 255, 0.11);
   border-radius: 16px;
   box-shadow:
     inset 0 1px 0 rgba(255, 255, 255, 0.09),
@@ -161,21 +115,12 @@ html[data-theme="light"] #root {
   font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
 }
 
-[data-theme="light"] .rk-chat-markdown pre {
-  background: var(--muted);
-  border-color: var(--border);
-  box-shadow: none;
-}
-
 .sidebar-roster-row[data-selected="true"],
 .sidebar-roster-row:hover {
   background-color: var(--accent);
 }
 
 .rk-chat-markdown code:not(pre code) {
-  background: color-mix(in srgb, var(--foreground) 7%, transparent);
-  border: 1px solid color-mix(in srgb, var(--foreground) 11%, transparent);
-  color: var(--foreground);
   font-weight: 500;
   border-radius: 6px;
   padding: 0.15em 0.4em;
@@ -188,7 +133,6 @@ html[data-theme="light"] #root {
   font-weight: 700;
   line-height: 1.3;
   letter-spacing: -0.025em;
-  color: var(--foreground);
   margin: 1.6em 0 0.6em;
 }
 
@@ -197,7 +141,6 @@ html[data-theme="light"] #root {
   font-weight: 600;
   line-height: 1.35;
   letter-spacing: -0.02em;
-  color: var(--foreground);
   margin: 1.4em 0 0.5em;
 }
 
@@ -206,7 +149,6 @@ html[data-theme="light"] #root {
   font-weight: 600;
   line-height: 1.4;
   letter-spacing: -0.015em;
-  color: var(--foreground);
   margin: 1.2em 0 0.4em;
 }
 
@@ -222,29 +164,18 @@ html[data-theme="light"] #root {
 }
 
 .rk-chat-markdown strong {
-  color: var(--foreground);
   font-weight: 600;
 }
 
 .rk-chat-markdown blockquote {
-  border-left: 3px solid #10b981;
   padding-left: 1.2em;
   margin: 1.3em 0;
-  color: #cbd5e1;
   font-style: normal;
-  background: rgba(16, 185, 129, 0.05);
   border-radius: 0 8px 8px 0;
   padding-top: 0.4em;
   padding-bottom: 0.4em;
 }
 
-[data-theme="light"] .rk-chat-markdown blockquote {
-  border-left-color: var(--input);
-  color: var(--muted-foreground);
-  background: none;
-  border-radius: 0;
-}
-
 :root {
   --spring-snappy: cubic-bezier(0.175, 0.885, 0.32, 1.275);
   --spring-smooth: cubic-bezier(0.16, 1, 0.3, 1);
@@ -262,10 +193,6 @@ html[data-theme="light"] #root {
   box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.18);
 }
 
-[data-theme="light"] .tactile-press:hover {
-  box-shadow: none;
-}
-
 .tactile-press:active {
   transform: scale(0.965);
   transition-duration: 0.06s;
diff --git a/packages/chat-ui/src/markdown.web.css b/packages/chat-ui/src/markdown.web.css
index 1a6ee59..caf9904 100644
--- a/packages/chat-ui/src/markdown.web.css
+++ b/packages/chat-ui/src/markdown.web.css
@@ -157,7 +157,6 @@
 .rk-chat-markdown blockquote {
   border-left: 3px solid var(--border);
   padding-left: 0.85em;
-  color: var(--muted-foreground);
 }
 
 .rk-chat-markdown table {
diff --git a/packages/ui-web/src/components/ui/tabs.tsx b/packages/ui-web/src/components/ui/tabs.tsx
index c1f427d..5fbfc8a 100644
--- a/packages/ui-web/src/components/ui/tabs.tsx
+++ b/packages/ui-web/src/components/ui/tabs.tsx
@@ -49,7 +49,7 @@ function TabsTrigger({ className, ...props }: TabsPrimitive.Tab.Props) {
     <TabsPrimitive.Tab
       data-slot="tabs-trigger"
       className={cn(
-        "relative inline-flex h-[calc(100%-1px)] flex-1 items-center justify-center gap-1.5 rounded-md border border-transparent px-2 py-1 text-ui-body-sm font-medium whitespace-nowrap text-foreground/60 transition-all group-data-vertical/tabs:w-full group-data-vertical/tabs:justify-start hover:text-foreground focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1 focus-visible:outline-ring disabled:pointer-events-none disabled:opacity-50 has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 aria-disabled:pointer-events-none aria-disabled:opacity-50 dark:text-muted-foreground dark:hover:text-foreground group-data-[variant=default]/tabs-list:data-active:shadow-sm group-data-[variant=line]/tabs-list:data-active:shadow-none [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-icon-md",
+        "relative inline-flex h-[calc(100%-1px)] flex-1 items-center justify-center gap-1.5 rounded-md border border-transparent px-2 py-1 text-ui-body-sm font-medium whitespace-nowrap text-muted-foreground transition-all group-data-vertical/tabs:w-full group-data-vertical/tabs:justify-start hover:text-foreground focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1 focus-visible:outline-ring disabled:pointer-events-none disabled:opacity-50 has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 aria-disabled:pointer-events-none aria-disabled:opacity-50 dark:hover:text-foreground group-data-[variant=default]/tabs-list:data-active:shadow-sm group-data-[variant=line]/tabs-list:data-active:shadow-none [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-icon-md",
         "group-data-[variant=line]/tabs-list:bg-transparent group-data-[variant=line]/tabs-list:data-active:bg-transparent dark:group-data-[variant=line]/tabs-list:data-active:border-transparent dark:group-data-[variant=line]/tabs-list:data-active:bg-transparent",
         "data-active:bg-background data-active:text-foreground dark:data-active:border-input dark:data-active:bg-input/30 dark:data-active:text-foreground",
         "after:absolute after:bg-foreground after:opacity-0 after:transition-opacity group-data-horizontal/tabs:after:inset-x-0 group-data-horizontal/tabs:after:bottom-[-5px] group-data-horizontal/tabs:after:h-0.5 group-data-vertical/tabs:after:inset-y-0 group-data-vertical/tabs:after:-right-1 group-data-vertical/tabs:after:w-0.5 group-data-[variant=line]/tabs-list:data-active:after:opacity-100",