Add customer SMS/Excel tools, selection bar, and sticky import toasts.

Bulk and single SMS from Users, row selection with overflow summary, persistent large import toasts, and business SMS sender in Super Admin.

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

packages/dashboard-ui/src/components/RichTextEditor.module.css

@@ -62,6 +62,52 @@
   letter-spacing: 0.02em;
 }
 
+.fontSizeWrap {
+  display: inline-flex;
+  align-items: center;
+}
+
+.fontSizeSelect {
+  appearance: none;
+  -webkit-appearance: none;
+  width: auto;
+  min-width: 52px;
+  height: 28px;
+  padding: 0 22px 0 8px;
+  border: 1px solid rgba(148, 163, 184, 0.35);
+  border-radius: 6px;
+  background-color: transparent;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: right 4px center;
+  background-size: 12px;
+  color: var(--text-secondary);
+  font-size: 11px;
+  font-weight: 600;
+  font-family: var(--font-ui);
+  line-height: 1;
+  cursor: pointer;
+}
+
+.fontSizeSelect:hover,
+.fontSizeSelect:focus {
+  border-color: var(--primary);
+  color: var(--primary);
+  outline: none;
+}
+
+.srOnly {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
 .divider {
   width: 1px;
   height: 20px;
@@ -212,6 +258,20 @@
   margin-bottom: 0;
 }
 
+.editor b,
+.editor strong {
+  font-weight: 700;
+}
+
+.editor i,
+.editor em {
+  font-style: italic;
+}
+
+.editor u {
+  text-decoration: underline;
+}
+
 .editor blockquote {
   margin: 0.5em 0;
   margin-inline-start: 1.5em;