diff --git a/frontend/src/__global/scss/layouts/_globals.scss b/frontend/src/__global/scss/layouts/_globals.scss
index 3cb9c6f82..86515b3be 100644
--- a/frontend/src/__global/scss/layouts/_globals.scss
+++ b/frontend/src/__global/scss/layouts/_globals.scss
@@ -183,6 +183,7 @@ small {
   hyphens: auto;*/
 }
 
+
 @media print {
   a[href]:after {
     content: none !important;
diff --git a/frontend/src/__global/scss/libs/bootstrap/_nav_tabs.scss b/frontend/src/__global/scss/libs/bootstrap/_nav_tabs.scss
new file mode 100644
index 000000000..fc0823637
--- /dev/null
+++ b/frontend/src/__global/scss/libs/bootstrap/_nav_tabs.scss
@@ -0,0 +1,89 @@
+@import "~bootstrap/scss/variables";
+
+// Estilização do tab-content conectado ao nav-tabs (substitui inline style)
+.nav-tabs + .tab-content {
+  border: 1px solid $nav-tabs-border-color;
+  border-top: 0;
+  border-radius: 0 0 $border-radius $border-radius;
+}
+
+@media (max-width: 992px) {
+  .nav-tabs {
+    position: relative;
+    flex-direction: column;
+    border: 1px solid $nav-tabs-border-color;
+    border-radius: $border-radius; // Totalmente arredondado — parece um botão/select
+    background-color: $white;
+    overflow: hidden; // Recorta filhos nas bordas arredondadas
+
+    // Seta indicando dropdown
+    &::after {
+      content: "▾";
+      position: absolute;
+      right: 0.75rem;
+      top: 0.6rem;
+      font-size: 1rem;
+      color: $secondary;
+      pointer-events: none;
+      transition: transform 0.2s ease;
+    }
+
+    // Oculta todos os itens por padrão
+    .nav-item {
+      display: none;
+      width: 100%;
+
+      .nav-link {
+        border: none;
+        border-bottom: 1px solid $nav-tabs-border-color;
+        border-radius: 0;
+        width: 100%;
+        text-align: left;
+        padding-right: 2rem;
+        margin-bottom: 0;
+
+        &.active {
+          background-color: $nav-tabs-link-active-bg;
+          color: $nav-tabs-link-active-color;
+          border-color: transparent;
+        }
+
+        &:hover:not(.active) {
+          background-color: $light;
+        }
+      }
+
+      &:last-child .nav-link {
+        border-bottom: none;
+      }
+    }
+
+    // CSS nativo: exibe somente o item ativo (browsers com suporte a :has)
+    .nav-item:has(.nav-link.active) {
+      display: block;
+    }
+
+    // Estado expandido: via :focus-within (nativo) ou .nav-tabs--open (fallback JS)
+    &:focus-within,
+    &.nav-tabs--open {
+      border-radius: $border-radius $border-radius 0 0; // Arredonda apenas topo quando aberto
+      overflow: visible;
+      z-index: $zindex-dropdown;
+
+      &::after {
+        transform: rotate(180deg);
+      }
+
+      .nav-item {
+        display: block;
+      }
+    }
+  }
+
+  // Em mobile, tab-content é visualmente independente do nav-tabs (que vira um select)
+  .nav-tabs + .tab-content {
+    border-top: 1px solid $nav-tabs-border-color;
+    border-radius: $border-radius; // Rounding completo — desconectado do nav-tabs
+    margin-top: 0.5rem;
+  }
+}
diff --git a/frontend/src/__global/scss/libs/libs.scss b/frontend/src/__global/scss/libs/libs.scss
index 76a4e7c73..4f3233661 100644
--- a/frontend/src/__global/scss/libs/libs.scss
+++ b/frontend/src/__global/scss/libs/libs.scss
@@ -1,2 +1,3 @@
 @import "./bootstrap/nav_navbar";
+@import "./bootstrap/nav_tabs";
 @import "./bootstrap/table";
diff --git a/sapl/parlamentares/forms.py b/sapl/parlamentares/forms.py
index c53fb2db1..9ab426bed 100755
--- a/sapl/parlamentares/forms.py
+++ b/sapl/parlamentares/forms.py
@@ -772,6 +772,6 @@ class MesaDiretoraFilterSet(django_filters.FilterSet):
         self.form.helper = SaplFormHelper()
         self.form.helper.form_method = 'GET'
         self.form.helper.layout = Layout(
-            Fieldset(_('Escolha da Legislatura e da Sessão Legislativa'),
+            Fieldset(_('Escolha da Legislatura'),
                      row0,)
         )
diff --git a/sapl/templates/parlamentares/mesadiretora_filter.html b/sapl/templates/parlamentares/mesadiretora_filter.html
index d44256f6e..9da3d275c 100644
--- a/sapl/templates/parlamentares/mesadiretora_filter.html
+++ b/sapl/templates/parlamentares/mesadiretora_filter.html
@@ -5,58 +5,142 @@
   {% if perms.add_mesadiretora %}
     {{ block.super }}
   {% else %}
-    <div>
-      <ul class="nav nav-tabs" role="tablist">
-        {% for md in object_list %}
-          {% if forloop.first %}
-            <li class="nav-item">
-              <a class="nav-link active" href="#tab-mesa-{{ md.id }}" data-toggle="tab" role="tab">{{ md }}</a>
-            </li>
-          {% else %}
-            <li class="nav-item">
-              <a class="nav-link" href="#tab-mesa-{{ md.id }}" data-toggle="tab" role="tab">{{ md }}</a>
-            </li>
-          {% endif %}
-        {% endfor %}
-      </ul>
-      <div class="tab-content" style="border: 1px solid #dee2e6; border-top: 0; border-radius: 0 0 0.25rem 0.25rem;">
-        {% for md in object_list %}
-          {% if forloop.first or request.GET.mesadiretora == md.id|stringformat:"s" %}
-            <div class="tab-pane fade show active" id="tab-mesa-{{ md.id }}" role="tabpanel">
-          {% else %}
-            <div class="tab-pane fade" id="tab-mesa-{{ md.id }}" role="tabpanel">
-          {% endif %}
-              <i class="text-muted p-2 d-inline-block">(De {{md.data_inicio }} a {{ md.data_fim }})</i>
-
-              <table class="table table-striped table-hover table-link-ordering m-0 p-0">
-                <thead>
-                  <tr>
-                    <th>Nome do Parlamentar</th>
-                    <th>Partido</th>
-                    <th>Cargo</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {% for p in md.composicaomesa_set.all %}
+    <div class="row">
+      <div class="col-12">
+
+        <ul class="nav nav-tabs" role="tablist">
+          {% for md in object_list %}
+            {% if forloop.first %}
+              <li class="nav-item">
+                <a class="nav-link active" href="#tab-mesa-{{ md.id }}" data-toggle="tab" role="tab">{{ md }}</a>
+              </li>
+            {% else %}
+              <li class="nav-item">
+                <a class="nav-link" href="#tab-mesa-{{ md.id }}" data-toggle="tab" role="tab">{{ md }}</a>
+              </li>
+            {% endif %}
+          {% endfor %}
+        </ul>
+        <div class="tab-content">
+          {% for md in object_list %}
+            {% if forloop.first or request.GET.mesadiretora == md.id|stringformat:"s" %}
+              <div class="tab-pane fade show active" id="tab-mesa-{{ md.id }}" role="tabpanel">
+            {% else %}
+              <div class="tab-pane fade" id="tab-mesa-{{ md.id }}" role="tabpanel">
+            {% endif %}
+                <i class="text-muted p-2 d-inline-block">(De {{md.data_inicio }} a {{ md.data_fim }})</i>
+
+                <table class="table table-striped table-hover table-link-ordering m-0 p-0">
+                  <thead>
                     <tr>
-                      <td>
-                        <div id="d-flex">
-                          {% if p.parlamentar.fotografia %}
-                            <img class="img-fluid img-thumbnail" src="{% cropped_thumbnail p.parlamentar "cropping"%}">
-                          {% endif %}
-                          <a class="pl-2" href="{% url 'sapl.parlamentares:parlamentar_detail' p.parlamentar.pk %}">
-                          {{p.parlamentar.nome_parlamentar}}</a>
-                        </div>
-                      </td>
-                      <td>{{p.parlamentar.filiacao_atual}}</td>
-                      <td>{{p.cargo}}</td>
+                      <th>Nome do Parlamentar</th>
+                      <th>Partido</th>
+                      <th>Cargo</th>
                     </tr>
-                  {% endfor %}
-                </tbody>
-              </table>
-            </div>
-        {% endfor %}
+                  </thead>
+                  <tbody>
+                    {% for p in md.composicaomesa_set.all %}
+                      <tr>
+                        <td>
+                          <div id="d-flex">
+                            {% if p.parlamentar.fotografia %}
+                              <img class="img-fluid img-thumbnail" src="{% cropped_thumbnail p.parlamentar "cropping"%}">
+                            {% endif %}
+                            <a class="pl-2" href="{% url 'sapl.parlamentares:parlamentar_detail' p.parlamentar.pk %}">
+                            {{p.parlamentar.nome_parlamentar}}</a>
+                          </div>
+                        </td>
+                        <td>{{p.parlamentar.filiacao_atual}}</td>
+                        <td>{{p.cargo}}</td>
+                      </tr>
+                    {% endfor %}
+                  </tbody>
+                </table>
+              </div>
+          {% endfor %}
+        </div>
+      </div>
     </div>
   {% endif %}
 
 {% endblock container_table_list %}
+
+{% block extra_js %}
+<script>
+(function () {
+  // Suporte nativo a :has() — o CSS cuida de tudo, JS não é necessário
+  if (typeof CSS !== 'undefined' && CSS.supports && CSS.supports('selector(:has(*))')) return;
+
+  var mq = window.matchMedia('(max-width: 767px)');
+
+  function collapse(tabs) {
+    tabs.classList.remove('nav-tabs--open');
+    [].forEach.call(tabs.querySelectorAll('.nav-item'), function (item) {
+      item.style.display = item.querySelector('.nav-link.active') ? 'block' : 'none';
+    });
+  }
+
+  function expand(tabs) {
+    [].forEach.call(tabs.querySelectorAll('.nav-item'), function (item) {
+      item.style.display = 'block';
+    });
+    tabs.classList.add('nav-tabs--open');
+  }
+
+  function init() {
+    [].forEach.call(document.querySelectorAll('.nav-tabs'), function (tabs) {
+      if (tabs._dropdownBound) return;
+      tabs._dropdownBound = true;
+
+      // Expande ao clicar no container (apenas quando fechado)
+      tabs.addEventListener('click', function () {
+        if (!mq.matches || tabs.classList.contains('nav-tabs--open')) return;
+        expand(tabs);
+        setTimeout(function () {
+          document.addEventListener('click', function onOutside(ev) {
+            if (!tabs.contains(ev.target)) {
+              collapse(tabs);
+              document.removeEventListener('click', onOutside);
+            }
+          });
+        }, 0);
+      });
+
+      // Colapsa ao selecionar uma aba (apenas quando aberto)
+      [].forEach.call(tabs.querySelectorAll('.nav-link'), function (link) {
+        link.addEventListener('click', function () {
+          if (!tabs.classList.contains('nav-tabs--open')) return;
+          // Aguarda Bootstrap atualizar a classe .active
+          setTimeout(function () { collapse(tabs); }, 50);
+        });
+      });
+    });
+
+    // Estado inicial e ao redimensionar
+    function applyState(matches) {
+      [].forEach.call(document.querySelectorAll('.nav-tabs'), function (tabs) {
+        tabs.classList.remove('nav-tabs--open');
+        [].forEach.call(tabs.querySelectorAll('.nav-item'), function (item) {
+          item.style.display = '';
+        });
+        if (matches) collapse(tabs);
+      });
+    }
+
+    applyState(mq.matches);
+
+    if (mq.addEventListener) {
+      mq.addEventListener('change', function (e) { applyState(e.matches); });
+    } else {
+      mq.addListener(function (e) { applyState(e.matches); });
+    }
+  }
+
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', init);
+  } else {
+    init();
+  }
+}());
+</script>
+{% endblock extra_js %}