style: padronizar estrutura e layout de popups em todo o sistema com modal-actions

src/main/webapp/css/app.css

@@ -853,19 +853,44 @@ th {
 }
 
 .modal-actions {
+  grid-column: 1 / -1;
+  width: 100%;
   display: flex;
   justify-content: flex-end;
   align-items: center;
   gap: 12px;
   flex-wrap: wrap;
-  padding-top: 16px;
+  padding-top: 18px;
   border-top: 1px solid var(--line);
+  margin-top: 14px;
 }
 
 .modal-actions .btn {
   min-width: 120px;
 }
 
+.modal-panel form.grid.cols,
+.modal-panel form.grid {
+  align-items: start;
+}
+
+.modal-panel form > .row:last-child {
+  grid-column: 1 / -1;
+  width: 100%;
+  display: flex;
+  justify-content: flex-end;
+  align-items: center;
+  gap: 12px;
+  flex-wrap: wrap;
+  padding-top: 18px;
+  border-top: 1px solid var(--line);
+  margin-top: 14px;
+}
+
+.modal-panel form > .row:last-child .btn {
+  min-width: 120px;
+}
+
 .confirm-panel {
   width: min(460px, 100%);
 }