fpc_adapter: fix indentation after color refactor

fpc_adapter.scad

@@ -91,7 +91,7 @@ module fpc_adapter(fpc_yp=FPC_YP, fpc_yn=FPC_YN) {
 
   // ── Visual geometry (preview only) ──────────────────────────────────
   if ($preview) {
-    color("darkgray", 0.85)
+    color("darkgray", 0.85) {
       difference() {
         _pcb_shape(PCB_T);
         for (xi = [HOLE_MX, PCB_W - HOLE_MX])
@@ -100,30 +100,29 @@ module fpc_adapter(fpc_yp=FPC_YP, fpc_yn=FPC_YN) {
               cylinder(d=HOLE_D, h=PCB_T + 0.2, $fn=24);
       }
 
-    // Connector A (Y+ edge, FPC exits +Y)
-    color("#d0d0d0")
+      // Connector A (Y+ edge, FPC exits +Y)
       translate([CON_CX - CON_W/2, CON_A_Y1, PCB_T])
         cube([CON_W, CON_D, CON_H]);
-    if (fpc_yp > 0)
-      color("#e8e8e8")
+      if (fpc_yp > 0)
         translate([CON_CX - FPC_W/2, PCB_H, PCB_T + (CON_H - FPC_T)/2])
           cube([FPC_W, fpc_yp, FPC_T]);
 
-    // Connector B (Y- edge, FPC exits -Y)
-    color("#d0d0d0")
+      // Connector B (Y- edge, FPC exits -Y)
       translate([CON_CX - CON_W/2, CON_B_Y0, PCB_T])
         cube([CON_W, CON_D, CON_H]);
-    if (fpc_yn > 0)
-      color("#e8e8e8")
+      if (fpc_yn > 0)
         translate([CON_CX - FPC_W/2, -fpc_yn, PCB_T + (CON_H - FPC_T)/2])
           cube([FPC_W, fpc_yn, FPC_T]);
+    }
   }
 
   // ── Mounting bosses (always — structural geometry for host part) ─────
-  _adapt_boss(HOLE_MX,          HOLE_MY,          stud=true);
-  _adapt_boss(PCB_W - HOLE_MX,  PCB_H - HOLE_MY,  stud=true);
-  _adapt_boss(HOLE_MX,          PCB_H - HOLE_MY,   stud=false);
-  _adapt_boss(PCB_W - HOLE_MX,  HOLE_MY,           stud=false);
+  color("#004B49") {
+    _adapt_boss(HOLE_MX,          HOLE_MY,          stud=true);
+    _adapt_boss(PCB_W - HOLE_MX,  PCB_H - HOLE_MY,  stud=true);
+    _adapt_boss(HOLE_MX,          PCB_H - HOLE_MY,   stud=false);
+    _adapt_boss(PCB_W - HOLE_MX,  HOLE_MY,           stud=false);
+  }
 }
 
 // Standalone render