Made changes to CSS and merged together.

web/vue-app/src/assets/actions-shared.css

@@ -0,0 +1,36 @@
+.actions {
+  display: flex;
+  gap: 3rem;
+  justify-content: center;
+  margin-top: 0.5rem;
+}
+.actions button {
+  padding: 1rem 2.2rem;
+  border-radius: 12px;
+  border: 0;
+  cursor: pointer;
+  font-weight: 700;
+  font-size: 1.25rem;
+  transition: background 0.18s;
+  min-width: 120px;
+}
+
+/* Unified error style */
+.error {
+  color: #e53e3e;
+  margin-top: 0.7rem;
+  text-align: center;
+  background: rgba(255, 107, 107, 0.1);
+  border-radius: 8px;
+  padding: 1rem;
+}
+
+@media (max-width: 480px) {
+  .actions {
+    gap: 1.2rem;
+  }
+  .actions button {
+    padding: 0.8rem 1.2rem;
+    font-size: 1.05rem;
+    min-width: 90px;
+  }