Add business workshop management UI with Jalali scheduling and shared dashboard polish.

Includes workshop list/edit/details, registrations modal, category tree, shared EmptyState/RichTextEditor/toasts, and fixes for the Jalali date picker and thumbnail field layout.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/super-admin/src/components/Toast.module.css

@@ -1,12 +1,11 @@
 .container {
   position: fixed;
   bottom: 24px;
-  right: 24px;
-  /* Above Modal overlay (z-index 300) so success/error feedback is visible while dialogs are open */
-  z-index: 400;
+  left: 24px;
+  z-index: var(--toast-z-index, 11000);
   display: flex;
   flex-direction: column;
-  align-items: flex-end;
+  align-items: flex-start;
   gap: 8px;
   pointer-events: none;
 }
@@ -20,12 +19,12 @@
   font-weight: 500;
   line-height: 1.4;
   color: var(--text-primary);
-  background: rgba(255, 255, 255, 0.55);
+  background: var(--toast-bg, rgba(255, 255, 255, 0.94));
   backdrop-filter: blur(var(--blur-glass));
   -webkit-backdrop-filter: blur(var(--blur-glass));
   border: 1px solid var(--glass-border);
   border-radius: var(--radius-sm);
-  box-shadow: var(--glass-shadow);
+  box-shadow: var(--toast-shadow, 0 12px 40px rgba(15, 23, 42, 0.14));
 }
 
 .toastIn {