Freies Layout: Board-Drag als Free-Move neu (widgets.js-Vorbild), .board.dragging auf z-index umgewidmet, Reorder-CSS (placeholder/ghost) raus

src/css/main.css

@@ -893,14 +893,8 @@ body.show-desc .bm-desc { display: block; }
 .modal-body { padding: 14px 16px; }
 .modal-footer { padding: 10px 16px 14px; display: flex; justify-content: flex-end; }
 
-.board.dragging { opacity: 0.35; }
-
-.board-placeholder {
-  border: 2px dashed var(--border-accent);
-  border-radius: var(--radius);
-  background: var(--accent-dim);
-  flex-shrink: 0;
-}
+/* Free-Move: das gezogene Board nach vorne heben (frueher Reorder-Opacity). */
+.board.dragging { z-index: 50; cursor: grabbing; }
 }
 
 
@@ -2484,11 +2478,6 @@ body.show-desc .bm-desc { display: block; }
 .hidden { display: none; }
 .accent-text { color: var(--accent); }
 .dim { opacity: 0.4; }
-.drag-ghost {
-  position: fixed; opacity: 0.75; pointer-events: none; z-index: 9999;
-  transform: rotate(1.5deg) scale(1.02);
-  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
-}
 .bm-item.drag-over { background: rgba(255,160,50,0.07); }
 .bm-item.dragging-source { opacity: 0.4; }
 .about-info-label-block { display: block; margin-bottom: 6px; }