Move NowPlaying waveform visualizer to full-bleed hero-right background

Lift the WaveformVisualizer + control popover out of the 120px NowPlayingCard box into NowPlaying as a full-panel background layer; migrate the hero-right wrapper and its scoped styles from Home into NowPlaying.

DeepDrftPublic.Client/Controls/NowPlaying.razor

@@ -1,11 +1,42 @@
-@* Pulsing rings *@
+@using DeepDrftPublic.Client.Services
-<div class="circle-deco"></div>
-<div class="circle-deco"></div>
-<div class="circle-deco"></div>
 
-<div class="now-playing-content">
+@* Hero-right panel (owns the navy backdrop + clipping, formerly Home.razor's .hero-right wrapper). *@
+<div class="now-playing-panel">
+    @* Full-bleed waveform background. The visualizer mounts with Fill="true" (position:absolute; inset:0),
+       so .np-visualizer-bg is the positioned, sized ancestor that lets the lava fill the whole hero-right
+       panel. Driven by the live cascaded player — keyed on the current track via ReleaseEntryKey/TrackId/
+       TrackEntryKey so it scrolls to the real signal and sits at-rest when nothing plays. Read-only: the
+       background visualizes, it never seeks. Sits behind the rings + content (z-order via stacking below). *@
+    <div class="np-visualizer-bg">
+        <WaveformVisualizer Fill="true"
+                            ReleaseEntryKey="@(Player?.CurrentTrack?.Release?.EntryKey ?? string.Empty)"
+                            TrackId="@Player?.CurrentTrack?.Id"
+                            TrackEntryKey="@Player?.CurrentTrack?.EntryKey" />
+    </div>
+
+    @* The lava-lamp popover trigger lands in the panel's top-right corner (full parity, §8e). Above the
+       canvas and pointer-enabled so the icon is clickable even though the visualizer layer is
+       pointer-events:none. *@
+    <div class="np-visualizer-controls">
+        <WaveformVisualizerControlPopover IconSize="Size.Small"
+                                          AnchorOrigin="Origin.BottomRight"
+                                          TransformOrigin="Origin.TopLeft" />
+    </div>
+
+    @* Pulsing rings *@
+    <div class="circle-deco"></div>
+    <div class="circle-deco"></div>
+    <div class="circle-deco"></div>
+
+    <div class="now-playing-content">
         <NowPlayingCard />
 
         @* Stat row - hard-coded for now. TODO Phase 2: wire to real track count / identity model. *@
         <NowPlayingStats />
+    </div>
 </div>
+
+
+@code {
+    [CascadingParameter] public IStreamingPlayerService? Player { get; set; }
+}

DeepDrftPublic.Client/Controls/NowPlaying.razor.css

@@ -3,6 +3,41 @@
     50% { opacity: 0.4; transform: translate(-50%, -50%) scale(1.03); }
 }
 
+/* Hero-right panel (migrated from Home.razor's .hero-right). Owns the navy backdrop, clips the
+   full-bleed visualizer + ring overflow, and is the positioned ancestor for the inset:0 layers. */
+.now-playing-panel {
+    background: var(--deepdrft-navy);
+    position: relative;
+    display: flex;
+    flex-direction: column;
+    justify-content: flex-end;
+    overflow: hidden;
+    height: 100%;
+}
+
+@media (max-width: 960px) {
+    .now-playing-panel { min-height: 50vh; }
+}
+
+/* Full-bleed waveform background. WaveformVisualizer Fill="true" renders its layer as
+   position:absolute; inset:0, so this box only needs to be a positioned, sized ancestor. z-index:0
+   pins it to the bottom of the panel's stacking order, beneath the rings and the now-playing-content. */
+.np-visualizer-bg {
+    position: absolute;
+    inset: 0;
+    z-index: 0;
+}
+
+/* The lava-lamp popover trigger overlays the panel's top-right corner (full parity, §8e). Above the
+   canvas (z-index) and pointer-enabled so the icon is clickable even though the visualizer layer below
+   it is pointer-events:none. */
+.np-visualizer-controls {
+    position: absolute;
+    top: 1rem;
+    right: 1rem;
+    z-index: 3;
+}
+
 .now-playing-content {
     position: relative;
     z-index: 2;

DeepDrftPublic.Client/Controls/NowPlayingCard.razor

@@ -7,23 +7,6 @@
             ? $"{Player.CurrentTrack.Release?.Artist} · {Player.CurrentTrack.Release?.Title ?? "Single"}"
             : "Select a track to begin")
     </div>
-
-    @* Mode C (§3f, §6c): the real waveform visualizer, contained to this card and driven by the live
-       cascaded player. Fill="true" sizes the canvas to this positioned box instead of the viewport.
-       The bridge follows whatever is playing — keyed on the current track via ReleaseEntryKey/TrackId/
-       TrackEntryKey — so it scrolls to the real signal and sits at-rest when nothing plays. Read-only:
-       the card visualizes, it never seeks. The lava-lamp popover sits in the corner (full parity, §8e). *@
-    <div class="np-visualizer">
-        <WaveformVisualizer Fill="true"
-                            ReleaseEntryKey="@(Player?.CurrentTrack?.Release?.EntryKey ?? string.Empty)"
-                            TrackId="@Player?.CurrentTrack?.Id"
-                            TrackEntryKey="@Player?.CurrentTrack?.EntryKey" />
-        <div class="np-visualizer-controls">
-            <WaveformVisualizerControlPopover IconSize="Size.Small"
-                                              AnchorOrigin="Origin.BottomRight"
-                                              TransformOrigin="Origin.TopLeft" />
-        </div>
-    </div>
 </div>
 
 

DeepDrftPublic.Client/Controls/NowPlayingCard.razor.css

@@ -45,26 +45,3 @@
     color: rgba(250, 250, 248, 0.45);
     letter-spacing: 0.08em;
 }
-
-/* Contained visualizer region (Phase 12 mode C). The visualizer mounts with Fill="true", whose
-   layer is `position: absolute; inset: 0` — so this box must be a positioned, sized ancestor for the
-   canvas to fill. `overflow: hidden` keeps the lava inside the card's rounded chrome. The height is the
-   card's bounded live readout — taller than the old synthetic-bar strip so the real waveform reads, but
-   still compact for a home-page hero panel. */
-.np-visualizer {
-    position: relative;
-    height: 120px;
-    margin-top: 1.2rem;
-    overflow: hidden;
-    border-radius: 2px;
-}
-
-/* The lava-lamp popover trigger overlays the visualizer's top-right corner (full parity, §8e). Above
-   the canvas (z-index) and pointer-enabled so the icon is clickable even though the canvas layer below
-   it is pointer-events:none. */
-.np-visualizer-controls {
-    position: absolute;
-    top: 0.25rem;
-    right: 0.25rem;
-    z-index: 1;
-}

DeepDrftPublic.Client/Pages/Home.razor

@@ -14,9 +14,7 @@
         </MudItem>
 
         <MudItem xs="12" md="6">
-            <div class="hero-right">
             <NowPlaying />
-            </div>
         </MudItem>
     </MudGrid>
     <ParallaxImage Image1="img/dd-duo-hero-bw.jpeg" 

DeepDrftPublic.Client/Pages/Home.razor.css

@@ -19,20 +19,9 @@
     height: 100%;
 }
 
-.hero-right {
-    background: var(--deepdrft-navy);
-    position: relative;
-    display: flex;
-    flex-direction: column;
-    justify-content: flex-end;
-    overflow: hidden;
-    height: 100%;
-}
-
 @media (max-width: 960px) {
     .hero { min-height: auto; }
     .hero-left { padding: 4rem 1.5rem 3rem; }
-    .hero-right { min-height: 50vh; }
 }
 
 /* ── DIVIDER ── */