fix: apply BandScope desktop shell branding

apps/desktop/src/App.test.tsx

@@ -179,6 +179,8 @@ describe("App", () => {
   it("renders the rehearsal cockpit shell before analysis starts", () => {
     render(<App />);
 
+    expect(screen.getByRole("img", { name: /BandScope circular equalizer mark/i })).toBeTruthy();
+    expect(screen.getByText(/Your rehearsal map stays on this device/i)).toBeTruthy();
     expect(screen.getByRole("navigation", { name: /primary rehearsal views/i })).toBeTruthy();
     expect(screen.getByRole("heading", { name: /Workspace Home/i })).toBeTruthy();
     expect(screen.getByText(/SYNCED • LOCAL/i)).toBeTruthy();
@@ -189,8 +191,8 @@ describe("App", () => {
     expect(screen.getByText(/^Tempo$/i)).toBeTruthy();
     expect(screen.getByText(/^Key$/i)).toBeTruthy();
     expect(screen.getByText(/Local-first/i)).toBeTruthy();
-    expect(screen.getByText(/Local project data stays on this device/i)).toBeTruthy();
-    expect(screen.getByText(/YouTube import contacts the source provider/i)).toBeTruthy();
+    expect(screen.getByText(/Project files stay local/i)).toBeTruthy();
+    expect(screen.getByText(/YouTube only leaves the app when you choose import/i)).toBeTruthy();
   });
 
   it("renders the loaded song as a dark rehearsal command board", async () => {

apps/desktop/src/App.tsx

@@ -59,6 +59,8 @@ const NAV_ITEMS = [
   { label: "Notes", icon: FileMusic, active: false }
 ] as const;
 
+const BRAND_BAR_HEIGHTS = ["h-3", "h-5", "h-7", "h-4", "h-6"] as const;
+
 /** Documented. */
 function progressMessage(
   t: ReturnType<typeof createTranslator>,
@@ -76,6 +78,27 @@ function progressMessage(
   }
 }
 
+/** Documented. */
+function BandScopeMark() {
+  return (
+    <span
+      role="img"
+      aria-label="BandScope circular equalizer mark"
+      className="relative grid size-11 shrink-0 place-items-center rounded-full border border-cyan-200/45 bg-cyan-200/10 shadow-[0_0_28px_rgba(103,232,249,0.34)]"
+    >
+      <span className="absolute inset-1 rounded-full border border-teal-200/20" aria-hidden="true" />
+      <span className="flex h-8 items-end gap-0.5" aria-hidden="true">
+        {BRAND_BAR_HEIGHTS.map((height, index) => (
+          <span
+            key={`${height}-${index}`}
+            className={`w-1.5 rounded-full bg-gradient-to-t from-teal-300 via-cyan-200 to-violet-300 ${height}`}
+          />
+        ))}
+      </span>
+    </span>
+  );
+}
+
 /** Documented. */
 function MetricCard({
   icon,
@@ -91,7 +114,7 @@ function MetricCard({
   accent?: string;
 }) {
   return (
-    <article className="group relative overflow-hidden rounded-2xl border border-white/10 bg-slate-950/65 p-4 shadow-[0_18px_60px_rgba(0,0,0,0.24)] backdrop-blur-xl transition hover:-translate-y-0.5 hover:border-cyan-300/40">
+    <article className="group relative overflow-hidden rounded-lg border border-[color:var(--bandscope-border)] bg-[var(--bandscope-surface)] p-4 shadow-[0_18px_60px_rgba(0,0,0,0.24)] backdrop-blur-xl transition hover:-translate-y-0.5 hover:border-cyan-300/40">
       <div className="absolute inset-0 bg-[radial-gradient(circle_at_top_right,rgba(34,211,238,0.16),transparent_35%)] opacity-60 transition group-hover:opacity-100" />
       <div className="relative flex items-start gap-3">
         <div className={`rounded-xl bg-white/5 p-2 ${accent}`}>{icon}</div>
@@ -328,24 +351,27 @@ export function App() {
   };
 
   return (
-    <div className="min-h-screen overflow-x-hidden bg-[#020713] text-slate-100 selection:bg-cyan-300/30">
+    <div className="min-h-screen overflow-x-hidden bg-[var(--bandscope-bg)] text-slate-100 selection:bg-cyan-300/30">
       <div className="pointer-events-none fixed inset-0 bg-[radial-gradient(circle_at_18%_8%,rgba(15,120,255,0.22),transparent_28%),radial-gradient(circle_at_78%_0%,rgba(124,58,237,0.20),transparent_30%),linear-gradient(180deg,#07111f_0%,#020713_55%,#020611_100%)]" />
       <div className="pointer-events-none fixed inset-0 opacity-[0.06] [background-image:linear-gradient(rgba(255,255,255,.8)_1px,transparent_1px),linear-gradient(90deg,rgba(255,255,255,.8)_1px,transparent_1px)] [background-size:46px_46px]" />
 
       <div className="relative flex min-h-screen">
-        <aside className="hidden w-64 shrink-0 border-r border-white/10 bg-slate-950/72 px-5 py-5 shadow-[24px_0_80px_rgba(0,0,0,0.28)] backdrop-blur-2xl lg:flex lg:flex-col">
+        <aside className="hidden w-64 shrink-0 border-r border-[color:var(--bandscope-border)] bg-[var(--bandscope-surface-strong)] px-5 py-5 shadow-[24px_0_80px_rgba(0,0,0,0.28)] backdrop-blur-2xl lg:flex lg:flex-col">
           <div className="mb-7 flex items-center gap-2" aria-hidden="true">
             <span className="size-3 rounded-full bg-red-400" />
             <span className="size-3 rounded-full bg-amber-300" />
             <span className="size-3 rounded-full bg-emerald-400" />
           </div>
 
           <div className="mb-9 flex items-center gap-3">
-            <div className="grid size-11 place-items-center rounded-2xl border border-cyan-300/50 bg-cyan-300/10 shadow-[0_0_28px_rgba(34,211,238,0.35)]">
-              <AudioWaveform className="size-6 text-cyan-300" aria-hidden="true" />
-            </div>
-            <div className="text-2xl font-black tracking-tight">
-              Band<span className="text-cyan-300">Scope</span>
+            <BandScopeMark />
+            <div>
+              <div className="text-2xl font-black tracking-tight">
+                Band<span className="text-cyan-300">Scope</span>
+              </div>
+              <div className="text-xs font-semibold uppercase text-slate-400">
+                Rehearsal cockpit
+              </div>
             </div>
           </div>
 
@@ -377,7 +403,7 @@ export function App() {
                 Local-first
               </div>
               <p className="mt-2 text-sm leading-6 text-slate-400">
-                Local project data stays on this device. YouTube import contacts the source provider only when you choose it.
+                Your rehearsal map stays on this device. Project files stay local. YouTube only leaves the app when you choose import.
               </p>
               <div className="mt-3 h-14 overflow-hidden rounded-xl bg-[linear-gradient(90deg,rgba(34,211,238,.12),rgba(124,58,237,.12))]">
                 <div className="flex h-full items-end gap-0.5 px-2 pb-1" aria-hidden="true">

apps/desktop/src/features/workspace/GrooveMap.tsx

@@ -35,13 +35,13 @@ function GrooveMapComponent({ notes, isLoading }: GrooveMapProps) {
     return (
       <div
         aria-live="polite"
-        className="mt-4 flex items-center justify-between rounded-lg border border-emerald-300/20 bg-emerald-300/[0.06] p-6"
+        className="mt-4 flex items-center justify-between rounded-lg border border-teal-300/20 bg-slate-950/72 p-6 shadow-inner shadow-cyan-950/40"
       >
-        <span className="flex items-center font-medium text-emerald-100">
+        <span className="flex items-center font-medium text-teal-100">
           <Loader2 className="mr-2 size-4 animate-spin" aria-hidden="true" />
-          Analyzing pitch... 45%
+          Checking the bass line... 45%
         </span>
-        <Button variant="outline" size="sm" className="border-emerald-300/20 bg-emerald-300/10 text-emerald-100 hover:bg-emerald-300/20 hover:text-white">
+        <Button variant="outline" size="sm" className="border-teal-300/20 bg-teal-300/10 text-teal-100 hover:bg-teal-300/20 hover:text-white">
           Cancel
         </Button>
       </div>
@@ -51,42 +51,34 @@ function GrooveMapComponent({ notes, isLoading }: GrooveMapProps) {
   if (renderedNotes.length === 0) {
     return (
       <div
-        className="mt-4 rounded-lg border border-dashed border-white/10 bg-white/[0.02] p-6 text-center text-sm italic text-slate-400"
+        className="mt-4 rounded-lg border border-dashed border-cyan-200/15 bg-slate-950/60 p-6 text-center text-sm text-slate-400"
       >
-        No transcription yet. Click to analyze bass line.
+        No bass line transcription yet. Use it when you want to check the groove before rehearsal.
       </div>
     );
   }
 
   return (
     <div
-      className="relative mt-4 overflow-x-auto rounded-lg bg-[#2c2c2c] p-4 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-emerald-300"
+      className="relative mt-4 overflow-x-auto rounded-lg border border-cyan-200/15 bg-slate-950/80 p-4 shadow-inner shadow-cyan-950/50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-300"
       role="region"
       tabIndex={0}
-      aria-label="Groove Map Transcription"
+      aria-label="Bass transcription groove map"
     >
-      <div className="sr-only" style={{ position: "absolute", left: "-9999px" }}>
+      <div className="sr-only">
         Transcription complete. {renderedNotes.length} notes analyzed.
       </div>
+      <p className="mb-3 text-xs font-black uppercase tracking-[0.22em] text-cyan-200">
+        {renderedNotes.length} notes mapped for rehearsal
+      </p>
 
       <div style={{ position: "relative", minWidth: "100%", height: `${uniquePitches.length * 40}px` }}>
         {/* Render horizontal lanes for unique pitches */}
         {uniquePitches.map((pitch, index) => (
           <div
             key={pitch}
-            style={{
-              position: "absolute",
-              top: `${index * 40}px`,
-              left: 0,
-              right: 0,
-              height: "40px",
-              borderBottom: "1px solid #444",
-              display: "flex",
-              alignItems: "center",
-              color: "#aaa",
-              fontSize: "12px",
-              paddingLeft: "8px"
-            }}
+            className="absolute inset-x-0 flex h-10 items-center border-b border-cyan-100/10 pl-2 text-xs font-semibold text-slate-400"
+            style={{ top: `${index * 40}px` }}
           >
             {pitch}
           </div>
@@ -101,15 +93,11 @@ function GrooveMapComponent({ notes, isLoading }: GrooveMapProps) {
           return (
             <div
               key={index}
+              className="absolute h-6 rounded bg-gradient-to-r from-teal-300 via-cyan-300 to-violet-300 shadow-[0_0_18px_rgba(94,234,212,0.28)]"
               style={{
-                position: "absolute",
                 top: `${pitchIndex * 40 + 8}px`,
                 left: `${leftPercent}%`,
-                width: `${widthPercent}%`,
-                height: "24px",
-                backgroundColor: "#52c41a",
-                borderRadius: "4px",
-                boxShadow: "0 1px 3px rgba(0,0,0,0.5)"
+                width: `${widthPercent}%`
               }}
               title={`${note.pitch} (${note.onset.toFixed(2)}s - ${note.offset.toFixed(2)}s)`}
             />

apps/desktop/src/features/workspace/Workspace.test.tsx

@@ -59,6 +59,27 @@ describe("Workspace", () => {
     expect(transcribeButton.title).toBe("Transcribe part");
   });
 
+  it("renders bass transcription in the dark rehearsal cockpit system", () => {
+    const song = createDemoRehearsalSong();
+    song.sections[0]!.roles[0] = {
+      ...song.sections[0]!.roles[0]!,
+      name: "Bass Guitar",
+      transcription: [
+        { pitch: "E2", onset: 0, offset: 0.75, velocity: 0.74 },
+        { pitch: "G2", onset: 0.9, offset: 1.25, velocity: 0.68 }
+      ]
+    };
+
+    render(<Workspace song={song} />);
+    fireEvent.click(screen.getByRole("tab", { name: "Bass Guitar" }));
+
+    const grooveMap = screen.getByRole("region", { name: /bass transcription groove map/i });
+    expect(grooveMap.className).toContain("bg-slate-950");
+    expect(screen.getByText("E2")).toBeTruthy();
+    expect(screen.getByText("G2")).toBeTruthy();
+    expect(screen.getByText(/2 notes mapped for rehearsal/i)).toBeTruthy();
+  });
+
   it("localizes empty and loading state titles", () => {
     setNavigatorLanguage("ko-KR");
     render(<EmptyState />);

apps/desktop/src/index.css

@@ -50,6 +50,14 @@
 }
 
 :root {
+    --bandscope-bg: #020713;
+    --bandscope-surface: rgb(8 18 35 / 78%);
+    --bandscope-surface-strong: rgb(2 6 23 / 88%);
+    --bandscope-border: rgb(255 255 255 / 10%);
+    --bandscope-cyan: #67e8f9;
+    --bandscope-teal: #5eead4;
+    --bandscope-violet: #a78bfa;
+    --bandscope-amber: #fcd34d;
     --background: oklch(1 0 0);
     --foreground: oklch(0.145 0 0);
     --card: oklch(1 0 0);