Fix day sky to pastel periwinkle from the album cover

Static palette derived from rgb(145,119,255), softened into pastels —
violet-blue up top fading to a warm neutral at the horizon.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015HtPHsTnDcLVSCiF5FGHZj

plugin/contents/ui/dancer.html

@@ -1140,12 +1140,14 @@ body.chuva #sunChuvaFace { opacity: 1; transition: opacity 5s ease; }
   pointer-events: none;
   opacity: 0;
   transition: opacity 12s ease;
+  /* Paleta fixa inspirada na capa periwinkle rgb(145,119,255), pastelizada:
+     violeta-azulado no alto diluindo até um neutro quente no horizonte */
   background: linear-gradient(to bottom,
-    #5f6480  0%,
-    #798095 26%,
-    #97a0b2 44%,
-    #b3bcc9 60%,
-    #cfc9bc 66%,
+    #8f88cf  0%,
+    #a29ed8 26%,
+    #b7b4e0 44%,
+    #cac8e4 60%,
+    #d8d2c8 66%,
     #5a7d4a 66.1%,
     #3e5c35 82%,
     #2a4126 100%);