Lighten gravestone to keep the asset's original shading

The first tint crushed the PNG into the same dark slate as the old CSS
stone. Now only a subtle cool cast is applied so chips, pocks and the
3D side read clearly; moss overlay softened and engraving darkened for
contrast on the lighter stone.

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

plugin/contents/ui/dancer.html

@@ -1300,9 +1300,9 @@ body.dia:not(.balada):not(.chuva) .grave-wrap { opacity: 1; }
   position: absolute;
   inset: 0;
   background:
-    radial-gradient(circle at 18% 96%, rgba(74,105,60,0.60), transparent 40%),
+    radial-gradient(circle at 18% 96%, rgba(74,105,60,0.42), transparent 36%),
-    radial-gradient(circle at 80% 97%, rgba(58,88,46,0.50), transparent 36%),
+    radial-gradient(circle at 80% 97%, rgba(58,88,46,0.34), transparent 32%),
-    radial-gradient(circle at 50% 100%, rgba(66,96,52,0.42), transparent 46%);
+    radial-gradient(circle at 50% 100%, rgba(66,96,52,0.28), transparent 42%);
   -webkit-mask: url('gravestone.png') center / contain no-repeat;
   mask: url('gravestone.png') center / contain no-repeat;
 }
@@ -1312,8 +1312,8 @@ body.dia:not(.balada):not(.chuva) .grave-wrap { opacity: 1; }
   width: 100%;
   text-align: center;
   font-size: 3.2vh;
-  color: #8d81a8;
+  color: #55496e;
-  text-shadow: 0 1px 0 rgba(255,255,255,0.16), 0 -1px 1px rgba(0,0,0,0.70);
+  text-shadow: 0 1px 0 rgba(255,255,255,0.30), 0 -1px 1px rgba(0,0,0,0.55);
 }
 /* inscrição gravada (rebaixo: sombra clara embaixo, escura em cima) */
 .grave-text {
@@ -1325,8 +1325,8 @@ body.dia:not(.balada):not(.chuva) .grave-wrap { opacity: 1; }
   font-weight: bold;
   font-size: 2.4vh;
   letter-spacing: 0.4vh;
-  color: #9187ae;
+  color: #5a4e74;
-  text-shadow: 0 1px 0 rgba(255,255,255,0.20), 0 -1px 1px rgba(5,3,14,0.80);
+  text-shadow: 0 1px 0 rgba(255,255,255,0.32), 0 -1px 1px rgba(5,3,14,0.60);
 }
 .grave-line {
   position: absolute;