diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 034bba76..a362096a 100755
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -1,41 +1,104 @@
+{% include modal_login.html %}
+
 <ul>
   <li>
-    <a href="{{ '/projetos/' | relative_url }}"
-      ><span class="icon is-small"><i class="fa-solid fa-folder-open"></i></span
-      ><span>Projetos</span></a
-    >
+    <a href="{{ '/projetos/' | relative_url }}">
+      <span class="icon is-small"><i class="fa-solid fa-folder-open"></i></span>
+      <span>Projetos</span>
+    </a>
   </li>
+  
   <li>
-    <a href="{{ '/samples/' | relative_url }}"
-      ><span class="icon is-small"><i class="fa-solid fa-plus-circle"></i></span
-      ><span>Samples</span></a
-    >
+    <a href="{{ '/samples/' | relative_url }}">
+      <span class="icon is-small"><i class="fa-solid fa-music"></i></span>
+      <span>Samples</span>
+    </a>
   </li>
+  
   <li>
-    <a href="{{ '/beats/' | relative_url }}"
-      ><span class="icon is-small"><i class="fa-solid fa-headphones"></i></span
-      ><span>Beats</span></a
-    >
-  </li>
-  <li class="is-active">
-    <a href="{{ '/buscas/' | relative_url }}"
-      ><span class="icon is-small"
-        ><i class="fa-solid fa-magnifying-glass"></i></span
-      ><span>Buscas</span></a
-    >
+    <a href="{{ '/beats/' | relative_url }}">
+      <span class="icon is-small"><i class="fa-solid fa-headphones"></i></span>
+      <span>Beats</span>
+    </a>
   </li>
+  
   <li>
-    <a href="{{ './creation.html' | relative_url }}" class="has-text-primary"
-      ><span class="icon is-small"><i class="fa-solid fa-plus-circle"></i></span
-      ><span>Crie seu projeto</span></a
-    >
+    <a href="{{ '/buscas/' | relative_url }}">
+      <span class="icon is-small"><i class="fa-solid fa-magnifying-glass"></i></span>
+      <span>Buscas</span>
+    </a>
   </li>
+  
   <li>
-    <a
-      href="{{ '/envie_seu_projeto/' | relative_url }}"
-      class="has-text-primary"
-      ><span class="icon is-small"><i class="fa-solid fa-plus-circle"></i></span
-      ><span>Envie seu projeto</span></a
-    >
+    <a href="{{ '/creation.html' | relative_url }}" class="has-text-primary">
+      <span class="icon is-small"><i class="fa-solid fa-wand-magic-sparkles"></i></span>
+      <span>Crie seu projeto</span>
+    </a>
   </li>
+  
+  <li>
+    <a href="{{ '/envie_seu_projeto/' | relative_url }}" class="has-text-primary">
+      <span class="icon is-small"><i class="fa-solid fa-cloud-arrow-up"></i></span>
+      <span>Envie seu projeto</span>
+    </a>
+  </li>
+
+  <li id="sidebar-btn-login">
+    <a href="#" class="has-text-info js-trigger-login">
+      <span class="icon is-small"><i class="fa-solid fa-right-to-bracket"></i></span>
+      <span>Entrar</span>
+    </a>
+  </li>
+
+  <li id="sidebar-btn-logout" class="is-hidden">
+    <a href="#" id="action-sidebar-logout" class="has-text-danger">
+      <span class="icon is-small"><i class="fa-solid fa-right-from-bracket"></i></span>
+      <span>Sair</span>
+    </a>
+  </li>
+
 </ul>
+
+<script>
+document.addEventListener('DOMContentLoaded', async () => {
+    const loginLi = document.getElementById('sidebar-btn-login');
+    const logoutLi = document.getElementById('sidebar-btn-logout');
+    const logoutAction = document.getElementById('action-sidebar-logout');
+
+    try {
+        // Verifica status no servidor
+        const res = await fetch('/api/check_auth');
+        const data = await res.json();
+
+        if (data.logged_in) {
+            // Se logado: Esconde Login, Mostra Logout
+            if(loginLi) loginLi.classList.add('is-hidden');
+            if(logoutLi) logoutLi.classList.remove('is-hidden');
+        } else {
+            // Se visitante: Mostra Login, Esconde Logout
+            if(loginLi) loginLi.classList.remove('is-hidden');
+            if(logoutLi) logoutLi.classList.add('is-hidden');
+        }
+    } catch (e) {
+        console.error("Erro sidebar auth:", e);
+    }
+
+    // Lógica do botão Sair
+    if (logoutAction) {
+        logoutAction.addEventListener('click', async (e) => {
+            e.preventDefault();
+            // Adiciona loading visual (opcional)
+            logoutAction.classList.add('is-loading'); 
+            
+            try {
+                await fetch('/api/logout', { method: 'POST' });
+                // Recarrega a página para resetar o estado visual
+                window.location.reload();
+            } catch (error) {
+                alert("Erro ao sair.");
+                logoutAction.classList.remove('is-loading');
+            }
+        });
+    }
+});
+</script>
\ No newline at end of file
diff --git a/pages/beats.md b/pages/beats.md
index e1d3fd07..f508d271 100755
--- a/pages/beats.md
+++ b/pages/beats.md
@@ -6,8 +6,7 @@ permalink: /beats/
 
 <main class="main-content">
   <div class="publication">
-
-  teste teste teste
+  {% include modal_login.html %}
 
     <div class="container">
       <br />
diff --git a/pages/bpm.md b/pages/bpm.md
index e327334d..ca0e754c 100755
--- a/pages/bpm.md
+++ b/pages/bpm.md
@@ -10,6 +10,7 @@ permalink: /bpm/
   <div class="publication">
     <div class="container">
       <br />
+  {% include modal_login.html %}
 
       <div class="tabs is-centered is-boxed is-medium mb-6">
         {% include sidebar.html %}
diff --git a/pages/buscas.md b/pages/buscas.md
index 37058a53..d0e9de7e 100755
--- a/pages/buscas.md
+++ b/pages/buscas.md
@@ -9,6 +9,7 @@ permalink: /buscas/
   <div class="publication">
 
     <div class="container">
+  {% include modal_login.html %}
         <br>
         <div class="tabs is-centered is-boxed is-medium mb-6">
             {% include sidebar.html %}
diff --git a/pages/instruments.md b/pages/instruments.md
index 06fe7306..99b38638 100755
--- a/pages/instruments.md
+++ b/pages/instruments.md
@@ -10,6 +10,7 @@ permalink: /instruments/
   <div class="publication">
 
     <div class="container">
+  {% include modal_login.html %}
       <br />
 
       <div class="tabs is-centered is-boxed is-medium mb-6">
diff --git a/pages/pattern.md b/pages/pattern.md
index e59c6575..577644c0 100755
--- a/pages/pattern.md
+++ b/pages/pattern.md
@@ -10,6 +10,7 @@ permalink: /pattern/
   <div class="publication">
     <div class="container">
       <br />
+  {% include modal_login.html %}
 
       <div class="tabs is-centered is-boxed is-medium mb-6">
         {% include sidebar.html %}
diff --git a/pages/plugin.md b/pages/plugin.md
index fda88887..a3d51af5 100755
--- a/pages/plugin.md
+++ b/pages/plugin.md
@@ -10,6 +10,7 @@ permalink: /plugin/
   <div class="publication">
     <div class="container">
       <br />
+  {% include modal_login.html %}
 
       <div class="tabs is-centered is-boxed is-medium mb-6">
         {% include sidebar.html %}
diff --git a/pages/projetos.md b/pages/projetos.md
index 8558b03d..8dcee14f 100755
--- a/pages/projetos.md
+++ b/pages/projetos.md
@@ -7,6 +7,7 @@ permalink: /projetos/
 <div class="publication">
   <div class="container">
     <br />
+  {% include modal_login.html %}
 
     <div class="tabs is-centered is-boxed is-medium mb-6">
       {% include sidebar.html %}
diff --git a/pages/sample.md b/pages/sample.md
index a2e1d701..988bd3c6 100755
--- a/pages/sample.md
+++ b/pages/sample.md
@@ -10,6 +10,7 @@ permalink: /sample/
   <div class="publication">
 
     <div class="container">
+  {% include modal_login.html %}
       <br />
 
       <div class="tabs is-centered is-boxed is-medium mb-6">