Ajustado abas tela parâmetro

app/templates/parametros.html

@@ -24,7 +24,7 @@
         <label for="aliquota_icms">Alíquota de ICMS (%):</label>
         <input type="text" id="aliquota" name="aliquota" inputmode="decimal" pattern="[0-9]+([,][0-9]+)?" placeholder="Ex: 20,7487">
       </div>
-    </div>
+    </div> 
 
     <div class="form-group">
       <label for="formula">Fórmula:</label>
@@ -88,6 +88,7 @@
     <p style="color:gray;">Nenhuma fórmula cadastrada.</p>
   {% endfor %}
 </div>
+</div>
 
 <!-- ABA SELIC -->
 <div id="selic" class="tab-content">
@@ -107,11 +108,11 @@
     <table class="selic-table">
       <thead><tr><th>Competência</th><th>Fator</th></tr></thead>
       <tbody>
-        {% for item in (selic_dados or selic or []) %}
-          <tr>
+        {% for item in selic_dados %}
+        <tr>
             <td>{{ "%02d"|format(item.mes) }}/{{ item.ano }}</td>
             <td>{{ "%.4f"|format(item.percentual) }}</td>
-          </tr>
+        </tr>
         {% endfor %}
       </tbody>
     </table>
@@ -671,13 +672,11 @@
   }
 
   window.addEventListener("DOMContentLoaded", () => {
-    const abaUrl = new URLSearchParams(window.location.search).get("aba");
-    if (abaUrl === "selic") {
-      document.querySelector(".tab.active")?.classList.remove("active");
-      document.querySelector(".tab-content.active")?.classList.remove("active");
-
-      document.querySelector(".tab:nth-child(2)").classList.add("active");         // Ativa o botão da aba
-      document.getElementById("selic").classList.add("active");                    // Ativa o conteúdo da aba
+    const aba = new URLSearchParams(window.location.search).get("aba");
+    if (aba === "formulas" || aba === "selic" || aba === "aliquotas") {
+      switchTab(aba);
+    } else {
+      switchTab("formulas"); // padrão
     }
   });