diff --git a/pages/samples.md b/pages/samples.md
index ad40688..460c1a4 100755
--- a/pages/samples.md
+++ b/pages/samples.md
@@ -29,11 +29,16 @@ permalink: /samples/
                   <i class="fa-solid fa-house"></i>
               </button>
               
-              <button id="btn-open-upload" class="button is-small is-success is-light mr-3" title="Enviar novo Sample" style="display: inline-flex; align-items: center;">
+              <button id="btn-open-upload" class="button is-small is-success is-light mr-3 is-hidden" title="Enviar novo Sample" style="display: inline-flex; align-items: center;">
                   <span class="icon"><i class="fa-solid fa-upload"></i></span>
                   <span>Enviar Sample</span>
               </button>
 
+              <a href="/mmpSearch/login/" id="btn-login-trigger" class="button is-small is-warning is-light mr-3" title="Fazer Login">
+                  <span class="icon"><i class="fa-solid fa-lock"></i></span>
+                  <span>Login para Enviar</span>
+              </a>
+
               <nav class="breadcrumb is-small mb-0" aria-label="breadcrumbs">
                   <ul id="breadcrumb-list">
                       <li class="is-active"><a href="#">Raiz</a></li>
@@ -286,7 +291,30 @@ permalink: /samples/
 </style>
 
 <script>
-document.addEventListener('DOMContentLoaded', () => {
+document.addEventListener('DOMContentLoaded', async () => {
+    // === VERIFICAÇÃO DE LOGIN (NOVO) ===
+    const btnUpload = document.getElementById('btn-open-upload');
+    const btnLogin = document.getElementById('btn-login-trigger');
+
+    try {
+        // Verifica auth via Proxy Apache
+        const res = await fetch('/api/check_auth');
+        const authData = await res.json();
+
+        if (authData.logged_in) {
+            // Se logado: Mostra botão Upload, Esconde botão Login
+            btnUpload.classList.remove('is-hidden');
+            btnLogin.classList.add('is-hidden');
+        } else {
+            // Se visitante: Garante que botão Login aparece e Upload some
+            btnUpload.classList.add('is-hidden');
+            btnLogin.classList.remove('is-hidden');
+        }
+    } catch (e) {
+        console.error("Erro auth:", e);
+    }
+    // ===================================
+
     // === DADOS E CONFIGURAÇÃO ===
     const manifestData = {{ site.data['samples-manifest'] | jsonify }};
     const BASE_ASSETS_URL = "{{ '/src_mmpSearch/samples/' | relative_url }}";
@@ -510,10 +538,10 @@ document.addEventListener('DOMContentLoaded', () => {
     document.addEventListener('keydown', (e) => { if (e.key === "Escape") closeModal(); });
 
     // ==========================================================
-    // === LÓGICA DE UPLOAD & GRAVAÇÃO (CORRIGIDA) ===
+    // === LÓGICA DE UPLOAD & GRAVAÇÃO ===
     // ==========================================================
     const uploadModal = document.getElementById('upload-sample-modal');
-    const btnOpenUpload = document.getElementById('btn-open-upload');
+    const btnOpenUpload = document.getElementById('btn-open-upload'); // Botão agora pode estar hidden
     const btnCloseUpload = document.getElementById('close-upload-modal');
     const btnCancelUpload = document.getElementById('cancel-upload');
     const fileInput = document.getElementById('file-input-real');
@@ -587,7 +615,6 @@ document.addEventListener('DOMContentLoaded', () => {
                 };
 
                 mediaRecorder.onstop = () => {
-                    // CORREÇÃO 1: Forçamos o tipo para OGG para o servidor aceitar
                     audioBlob = new Blob(audioChunks, { type: 'audio/ogg' }); 
                     
                     const audioUrl = URL.createObjectURL(audioBlob);
@@ -665,18 +692,14 @@ document.addEventListener('DOMContentLoaded', () => {
             }
             
             let filename = recordNameInput.value.trim() || "gravacao";
-            
-            // CORREÇÃO 2: Removemos a extensão antiga se houver e forçamos .ogg
-            // Isso engana a validação simples do servidor
             filename = filename.replace(/\.(webm|wav|mp3|flac)$/i, "");
             filename += ".ogg";
 
-            console.log("Enviando arquivo como:", filename); // Debug
-            
             formData.append('sample_file', audioBlob, filename);
         }
 
-        const API_URL = 'https://alice.ufsj.edu.br:33002/api/upload/sample';
+        // URL CORRIGIDA: Usando Proxy reverso (sem porta 33002)
+        const API_URL = '/api/upload/sample';
 
         // UI Loading
         confirmUploadBtn.classList.add('is-loading');
@@ -685,15 +708,12 @@ document.addEventListener('DOMContentLoaded', () => {
         uploadStatus.textContent = "Enviando dados...";
         uploadStatus.className = "help has-text-info";
 
-        console.log("Enviando para:", API_URL);
-
         try {
             const response = await fetch(API_URL, {
                 method: 'POST',
                 body: formData
             });
 
-            console.log("Status:", response.status);
             const result = await response.json();
 
             if (response.ok) {
@@ -707,7 +727,7 @@ document.addEventListener('DOMContentLoaded', () => {
             console.error("Erro Upload:", error);
             let msg = "Erro: " + error.message;
             if (error.message.includes("Failed to fetch")) {
-                msg = "Erro de Conexão (Verifique VPN/Firewall - Porta 33002).";
+                msg = "Erro de Conexão.";
             }
             uploadStatus.textContent = msg;
             uploadStatus.className = "help has-text-danger";