fix(mix-visualizer): move seven-knob controls in-flow between back link and lava lamp (Phase 10 reframe §7b)

DeepDrftPublic.Client/Pages/MixDetail.razor.css

@@ -4,28 +4,6 @@
     z-index: 1;
 }
 
-/* The lava-lamp toggle + its inline knob-bar. The anchor stacks the button over the bar and lets the
-   bar grow downward/leftward in place when expanded, without shoving the masthead. The bar itself is
-   absolutely positioned under the button (top-right of the detail body), so its open/close animation
-   reads as the controls growing out from the icon rather than reflowing the page (lava reframe §7b). */
-.mix-visualizer-controls-anchor {
-    position: relative;
-    display: flex;
-    flex-direction: column;
-    align-items: flex-end;
-}
-
-/* MixVisualizerControls renders the .mix-visualizer-controls-bar as its single root. It is a child
-   Razor component, so its scope attribute is not stamped here — reach the bar with ::deep to position
-   it as a floating-but-inline element anchored to the toggle's bottom-right. */
-.mix-visualizer-controls-anchor ::deep .mix-visualizer-controls-bar {
-    position: absolute;
-    top: calc(100% + 0.5rem);
-    right: 0;
-    z-index: 3;
-    transform-origin: top right;
-}
-
 /* Medium square cover — deliberately smaller than the 360px cut cover so the
    waveform backdrop keeps room. The placeholder/art MudPaper fills this frame. */
 .mix-detail-cover {