diff --git a/src/components/inbox/CandidateBreakdown.test.tsx b/src/components/inbox/CandidateBreakdown.test.tsx
new file mode 100644
index 0000000..134bb5c
--- /dev/null
+++ b/src/components/inbox/CandidateBreakdown.test.tsx
@@ -0,0 +1,23 @@
+// @vitest-environment happy-dom
+import { afterEach, describe, expect, it } from "vitest";
+import { cleanup, render } from "@testing-library/react";
+import { CandidateBreakdown } from "./CandidateBreakdown";
+
+afterEach(() => cleanup());
+
+describe("CandidateBreakdown", () => {
+  it("renders per-field scores", () => {
+    const { container } = render(
+      <CandidateBreakdown
+        score={92}
+        breakdown={{ patient: 1, date: 1, amount: 1, provider: 1 }}
+        tier="strong"
+      />,
+    );
+    expect(container.textContent).toMatch(/patient/i);
+    expect(container.textContent).toMatch(/date/i);
+    expect(container.textContent).toMatch(/amount/i);
+    expect(container.textContent).toMatch(/provider/i);
+    expect(container.textContent).toContain("92");
+  });
+});
diff --git a/src/components/inbox/CandidateBreakdown.tsx b/src/components/inbox/CandidateBreakdown.tsx
new file mode 100644
index 0000000..abdf8ec
--- /dev/null
+++ b/src/components/inbox/CandidateBreakdown.tsx
@@ -0,0 +1,56 @@
+import type { ScoreBreakdown, ScoreTier } from "@/lib/inbox-api";
+
+const FIELDS: Array<{ key: keyof ScoreBreakdown; label: string; weight: number }> = [
+  { key: "patient", label: "Patient", weight: 40 },
+  { key: "date", label: "Date", weight: 25 },
+  { key: "amount", label: "Amount", weight: 20 },
+  { key: "provider", label: "Provider", weight: 15 },
+];
+
+export function CandidateBreakdown({
+  score,
+  breakdown,
+  tier,
+}: {
+  score: number;
+  breakdown: ScoreBreakdown;
+  tier: ScoreTier;
+}) {
+  return (
+    <div className="font-mono" style={{ fontSize: 11 }}>
+      <div className="flex items-baseline justify-between mb-2">
+        <span
+          className="uppercase"
+          style={{ color: "var(--tt-ink-dim)", letterSpacing: "0.12em" }}
+        >
+          Score
+        </span>
+        <span
+          className="tabular-nums"
+          style={{ color: "var(--tt-amber)", fontSize: 24 }}
+        >
+          {score}
+        </span>
+      </div>
+      <ul className="space-y-1">
+        {FIELDS.map((f) => (
+          <li key={f.key} className="flex justify-between">
+            <span style={{ color: "var(--tt-ink)" }}>{f.label}</span>
+            <span
+              className="tabular-nums"
+              style={{ color: "var(--tt-ink-dim)" }}
+            >
+              {Math.round(breakdown[f.key] * f.weight)} / {f.weight}
+            </span>
+          </li>
+        ))}
+      </ul>
+      <p
+        className="mt-3 uppercase"
+        style={{ color: "var(--tt-ink-dim)", letterSpacing: "0.12em", fontSize: 10 }}
+      >
+        {tier}
+      </p>
+    </div>
+  );
+}
diff --git a/src/components/inbox/InboxHeader.test.tsx b/src/components/inbox/InboxHeader.test.tsx
new file mode 100644
index 0000000..b109844
--- /dev/null
+++ b/src/components/inbox/InboxHeader.test.tsx
@@ -0,0 +1,14 @@
+// @vitest-environment happy-dom
+import { afterEach, describe, expect, it } from "vitest";
+import { cleanup, render } from "@testing-library/react";
+import { InboxHeader } from "./InboxHeader";
+
+afterEach(() => cleanup());
+
+describe("InboxHeader", () => {
+  it("renders the date and counts", () => {
+    const { container } = render(<InboxHeader needEyesCount={6} doneTodayCount={23} />);
+    expect(container.textContent).toMatch(/6.*items need eyes/);
+    expect(container.textContent).toMatch(/23.*done today/);
+  });
+});
diff --git a/src/components/inbox/InboxHeader.tsx b/src/components/inbox/InboxHeader.tsx
new file mode 100644
index 0000000..02f9690
--- /dev/null
+++ b/src/components/inbox/InboxHeader.tsx
@@ -0,0 +1,50 @@
+export function InboxHeader({
+  needEyesCount,
+  doneTodayCount,
+}: {
+  needEyesCount: number;
+  doneTodayCount: number;
+}) {
+  const now = new Date();
+  const day = now.toLocaleDateString("en-US", { weekday: "short" }).toUpperCase();
+  const time = now.toLocaleTimeString("en-US", {
+    hour: "2-digit",
+    minute: "2-digit",
+    hour12: false,
+  });
+
+  return (
+    <header
+      className="sticky top-0 z-10 px-6 py-4"
+      style={{
+        background: "var(--tt-bg)",
+        borderBottom: "1px solid var(--tt-bg-elev)",
+      }}
+    >
+      <h1
+        className="tracking-tight"
+        style={{
+          color: "var(--tt-ink)",
+          fontFamily: "'Inter Tight', system-ui, sans-serif",
+          fontWeight: 700,
+          fontSize: 22,
+        }}
+      >
+        INBOX{" "}
+        <span
+          className="font-mono"
+          style={{ color: "var(--tt-amber)", fontSize: 16 }}
+        >
+          · {day} {time}
+        </span>
+      </h1>
+      <p
+        className="font-mono mt-1"
+        style={{ color: "var(--tt-ink-dim)", fontSize: 11, letterSpacing: "0.05em" }}
+      >
+        <span style={{ color: "var(--tt-amber)" }}>{needEyesCount}</span> items need eyes ·{" "}
+        <span style={{ color: "var(--tt-ink)" }}>{doneTodayCount}</span> done today
+      </p>
+    </header>
+  );
+}