Update EXPERIMENTAL Pill Colors

Nucleic-Session: F6358035-01F2-46A1-83D9-B26FE40148BF
Co-authored-by: Nucleic <[email protected]>

NucleicRemote/NucleicRemote/Views/BuildBanner.swift

@@ -100,22 +100,26 @@ struct BuildBanner: View {
                 Text(style.label)
                     .font(.footnote.weight(.semibold))
                     .lineLimit(1)
-                Spacer(minLength: 12)
                 Text(info.buildLabel)
                     .font(.caption.monospaced())
                     .opacity(0.85)
                 Text("EXPERIMENTAL")
                     .font(.caption2.weight(.heavy))
                     .tracking(0.9)
-                    .foregroundStyle(.white)
                     .padding(.horizontal, 6)
                     .padding(.vertical, 2)
-                    .background(style.tint, in: .capsule)
+                    .background(.white.opacity(0.16), in: .capsule)
             }
-            .foregroundStyle(.primary)
+            .foregroundStyle(.white.opacity(0.92))
             .padding(.horizontal, 12)
             .padding(.vertical, 5)
-            .frame(maxWidth: .infinity)
+            // The channel-colored stripe wraps only this row of content — channel name, build
+            // label, and the EXPERIMENTAL pill — instead of bleeding across the full window
+            // header, then sits at the leading edge with a little breathing room around it.
+            .background(style.tint.opacity(0.9), in: .rect(cornerRadius: 8))
+            .padding(.horizontal, 12)
+            .padding(.vertical, 4)
+            .frame(maxWidth: .infinity, alignment: .leading)
             .accessibilityLabel(style.tooltip(version: info.version, build: info.buildLabel))
         }
     }