diff --git a/LogoMenor.png b/LogoMenor.png
new file mode 100644
index 0000000..aa6a647
Binary files /dev/null and b/LogoMenor.png differ
diff --git a/src/routes.js b/src/routes.js
index 4864198..6fc335d 100644
--- a/src/routes.js
+++ b/src/routes.js
@@ -64,66 +64,352 @@ if (enableSwagger) {
     }
   }
 
+  routes.get('/api-docs/custom-logo.png', (req, res) => {
+    res.sendFile(path.resolve(__dirname, '..', 'LogoMenor.png'))
+  })
+
   const customCss = `
-    .swagger-ui .topbar { background: #1a1a2e; }
-    .swagger-ui .topbar .topbar-wrapper .link { display: grid; grid-template-columns: 1fr; align-items: center; }
-    .swagger-ui .topbar .topbar-wrapper .link img { display: none; }
+    /* Traduzir botões e labels do Swagger UI para PT-BR via CSS content */
+    .swagger-ui .btn.try-out__btn { font-size: 0; }
+    .swagger-ui .btn.try-out__btn::before { content: "Experimentar"; font-size: 14px; }
+    .swagger-ui .try-out .btn.cancel { font-size: 0; }
+    .swagger-ui .try-out .btn.cancel::before { content: "Cancelar"; font-size: 14px; }
+    .swagger-ui .btn.execute { font-size: 0; }
+    .swagger-ui .btn.execute::before { content: "Executar"; font-size: 14px; font-weight: bold; }
+    .swagger-ui .btn.btn-clear { font-size: 0; }
+    .swagger-ui .btn.btn-clear::before { content: "Limpar"; font-size: 14px; }
+    .swagger-ui .auth-wrapper .authorize { font-size: 0; }
+    .swagger-ui .auth-wrapper .authorize span { display: none; }
+    .swagger-ui .auth-wrapper .authorize::before { content: "Autorizar"; font-size: 14px; font-weight: bold; }
+    .swagger-ui .auth-btn-wrapper .btn-done { font-size: 0; }
+    .swagger-ui .auth-btn-wrapper .btn-done::before { content: "Fechar"; font-size: 14px; }
+    .swagger-ui .auth-container .auth-btn-wrapper .authorize { font-size: 0; }
+    .swagger-ui .auth-container .auth-btn-wrapper .authorize::before { content: "Autorizar"; font-size: 14px; }
+    .swagger-ui .btn-group .btn { color: inherit; }
+    .swagger-ui .info .title small { display: none; }
+
+    /* Logo customizada da Neuralsys no topbar (substitui a logo do Swagger) */
+    .swagger-ui .topbar .topbar-wrapper .link {
+      display: grid;
+      grid-template-columns: auto 1fr;
+      grid-template-rows: auto auto;
+      column-gap: 14px;
+      align-items: center;
+    }
+    .swagger-ui .topbar .topbar-wrapper .link img {
+      content: url("./custom-logo.png");
+      height: 56px;
+      width: auto;
+      grid-column: 1;
+      grid-row: 1 / span 2;
+    }
     .swagger-ui .topbar .topbar-wrapper .link span { display: none; }
     .swagger-ui .topbar .topbar-wrapper .link::before {
-      content: "CoreGuard  •  WhatsAPI Oficial";
-      color: #fff; font-family: sans-serif; font-weight: 700; font-size: 20px; padding: 8px 0;
+      content: "CoreGuard";
+      grid-column: 2;
+      grid-row: 1;
+      align-self: end;
+      color: #fff;
+      font-family: sans-serif;
+      font-weight: 700;
+      font-size: 22px;
+      line-height: 1;
+      letter-spacing: 0.3px;
     }
-    .swagger-ui section.models, .swagger-ui .models { display: none !important; }
-    body:not(.neuralsys-authorized) .swagger-ui .opblock-tag { pointer-events: none; opacity: 0.55; }
+    .swagger-ui .topbar .topbar-wrapper .link::after {
+      content: "WhatsAPI Oficial";
+      grid-column: 2;
+      grid-row: 2;
+      align-self: start;
+      color: #fff;
+      font-family: sans-serif;
+      font-weight: 600;
+      font-size: 14px;
+      line-height: 1.1;
+      letter-spacing: 0.4px;
+      margin-top: 3px;
+    }
+
+    /* Classe usada pelo filtro customizado para esconder endpoints/seções */
+    .swagger-ui .neuralsys-hidden { display: none !important; }
+
+    /* Container do filtro customizado (substitui o filtro nativo) */
+    .swagger-ui .neuralsys-filter-container {
+      margin: 20px 0;
+      padding: 0 20px;
+      max-width: 1460px;
+      box-sizing: border-box;
+    }
+    .swagger-ui .neuralsys-filter-container input {
+      width: 100%;
+      padding: 10px 14px;
+      border: 2px solid #41444e;
+      border-radius: 4px;
+      font-size: 14px;
+      box-sizing: border-box;
+      outline: none;
+      transition: border-color .15s;
+    }
+    .swagger-ui .neuralsys-filter-container input:focus {
+      border-color: #4990e2;
+    }
+
+    /* Labels de "Parameters" / "Responses" / "No parameters" etc. */
+    .swagger-ui .opblock-section-header h4 span[data-name="parameters"]::after,
+    .swagger-ui .opblock-section-header h4.parameters-header::after { content: ""; }
+
+    /* Botão "Copy to clipboard" sempre visível nos endpoints da lista */
+    .swagger-ui .opblock .opblock-summary .view-line-link.copy-to-clipboard {
+      width: 24px !important;
+    }
+
+    /* Ocultar seção "Schemas" no final da página */
+    .swagger-ui section.models,
+    .swagger-ui .models { display: none !important; }
+
+    /* Gate: bloqueia expansão e filtragem até autorizar com apiKey válida */
+    body:not(.neuralsys-authorized) .swagger-ui .opblock-tag { pointer-events: none; opacity: 0.55; cursor: not-allowed; }
     body:not(.neuralsys-authorized) .swagger-ui .opblock-tag-section .no-margin { display: none !important; }
+    body:not(.neuralsys-authorized) .swagger-ui .neuralsys-filter-container { display: none !important; }
+    /* Rodapé minimalista */
+    body { margin-bottom: 0; }
     .neuralsys-footer {
-      background: #000; color: #fff; padding: 16px 32px; font-size: 13px;
-      display: flex; justify-content: space-between; font-family: sans-serif; margin-top: 40px;
+      background: #000;
+      color: #fff;
+      padding: 16px 32px;
+      font-size: 13px;
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      font-family: sans-serif;
+      margin-top: 40px;
     }
+    .neuralsys-footer a { color: #fff; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
+    .neuralsys-footer a:hover { text-decoration: underline; }
+    .neuralsys-footer svg { width: 16px; height: 16px; fill: currentColor; }
   `
 
   const customJsStr = `
     (function () {
-      var authorized = false, lastKey = null, validating = false;
+      var HIDDEN = 'neuralsys-hidden'
+
+      function buildCorpus(op, rawPath) {
+        var paramNames = (op.parameters || []).map(function (p) { return p.name || '' }).join(' ')
+        var props = op && op.requestBody && op.requestBody.content &&
+          op.requestBody.content['application/json'] &&
+          op.requestBody.content['application/json'].schema &&
+          op.requestBody.content['application/json'].schema.properties
+        var reqBodyProps = props ? Object.keys(props).join(' ') : ''
+        return (rawPath + ' ' + (op.summary || '') + ' ' + (op.description || '') +
+          ' ' + paramNames + ' ' + reqBodyProps).toLowerCase()
+      }
+
+      function resetAll() {
+        document.querySelectorAll('.' + HIDDEN).forEach(function (el) {
+          el.classList.remove(HIDDEN)
+        })
+      }
+
+      function installFilter() {
+        if (!window.ui) { return setTimeout(installFilter, 250) }
+        if (document.querySelector('.neuralsys-filter-container')) return
+
+        var wrapper = document.querySelector('.swagger-ui .wrapper')
+        var firstSection = document.querySelector('.opblock-tag-section')
+        if (!wrapper || !firstSection) { return setTimeout(installFilter, 250) }
+
+        var container = document.createElement('div')
+        container.className = 'neuralsys-filter-container'
+        var input = document.createElement('input')
+        input.type = 'text'
+        input.placeholder = 'Filtrar...'
+        input.setAttribute('aria-label', 'Filtrar endpoints')
+        container.appendChild(input)
+
+        firstSection.parentNode.insertBefore(container, firstSection)
+
+        var specJson = window.ui.specSelectors.specJson().toJS()
+        var paths = specJson.paths || {}
+
+        var tagIndex = null
+        function buildTagIndex() {
+          if (tagIndex) return tagIndex
+          tagIndex = {}
+          var httpMethods = ['get', 'post', 'put', 'delete', 'patch', 'options', 'head']
+          Object.keys(paths).forEach(function (p) {
+            Object.keys(paths[p] || {}).forEach(function (m) {
+              var ml = m.toLowerCase()
+              if (httpMethods.indexOf(ml) === -1) return
+              var op = paths[p][m]
+              if (!op || typeof op !== 'object') return
+              var tags = (op.tags && op.tags.length) ? op.tags : ['default']
+              tags.forEach(function (t) {
+                if (!tagIndex[t]) tagIndex[t] = []
+                tagIndex[t].push({ path: p, method: ml, corpus: buildCorpus(op, p) })
+              })
+            })
+          })
+          return tagIndex
+        }
+
+        function getTagName(sec) {
+          var tagEl = sec.querySelector('.opblock-tag')
+          if (!tagEl) return ''
+          var name = tagEl.getAttribute('data-tag') || tagEl.getAttribute('data-name')
+          if (name) return name
+          var span = tagEl.querySelector('span') || tagEl
+          return ((span.textContent || '').replace(/\\s+/g, ' ') || '').trim()
+        }
+
+        function hideNonMatchingBlocks(q) {
+          document.querySelectorAll('.opblock').forEach(function (block) {
+            var pathEl = block.querySelector('.opblock-summary-path')
+            var methodEl = block.querySelector('.opblock-summary-method')
+            if (!pathEl || !methodEl) {
+              block.classList.remove(HIDDEN)
+              return
+            }
+            var rawPath = pathEl.getAttribute('data-path') ||
+              (pathEl.querySelector('a') && pathEl.querySelector('a').textContent) ||
+              pathEl.textContent
+            rawPath = (rawPath || '').trim()
+            var method = methodEl.textContent.trim().toLowerCase()
+            var op = (paths[rawPath] && paths[rawPath][method]) || {}
+            var corpus = buildCorpus(op, rawPath)
+            if (corpus.indexOf(q) !== -1) {
+              block.classList.remove(HIDDEN)
+            } else {
+              block.classList.add(HIDDEN)
+            }
+          })
+        }
+
+        function applyFilter() {
+          var q = input.value.trim().toLowerCase()
+          if (!q) { resetAll(); return }
+
+          var idx = buildTagIndex()
+          var needsExpansion = false
+
+          document.querySelectorAll('.opblock-tag-section').forEach(function (sec) {
+            var tagName = getTagName(sec)
+            var ops = idx[tagName] || []
+            var hasMatch = ops.some(function (o) { return o.corpus.indexOf(q) !== -1 })
+            if (!hasMatch) {
+              sec.classList.add(HIDDEN)
+              return
+            }
+            sec.classList.remove(HIDDEN)
+            if (!sec.classList.contains('is-open')) {
+              var header = sec.querySelector('.opblock-tag')
+              if (header) {
+                header.click()
+                needsExpansion = true
+              }
+            }
+          })
+
+          if (needsExpansion) {
+            setTimeout(function () { hideNonMatchingBlocks(q) }, 80)
+          } else {
+            hideNonMatchingBlocks(q)
+          }
+        }
+
+        input.addEventListener('input', applyFilter)
+      }
+
+      var observer = new MutationObserver(function () {
+        if (!document.querySelector('.neuralsys-filter-container') &&
+            document.querySelector('.opblock-tag-section')) {
+          installFilter()
+        }
+        translateCopyButtons()
+        if (!document.querySelector('.neuralsys-footer')) installFooter()
+      })
+
+      function translateCopyButtons() {
+        var label = 'Copiar para área de transferência'
+        document.querySelectorAll('.view-line-link.copy-to-clipboard, .copy-to-clipboard').forEach(function (el) {
+          if (el.getAttribute('title') !== label) el.setAttribute('title', label)
+          if (el.getAttribute('aria-label') !== label) el.setAttribute('aria-label', label)
+        })
+      }
+
+      var authorized = false
+      var lastKey = null
+      var validating = false
+
       function currentKey() {
         try {
-          var auth = window.ui && window.ui.authSelectors.authorized();
-          if (!auth) return null;
-          var js = auth.toJS ? auth.toJS() : auth;
-          if (js && js.apiKeyAuth && js.apiKeyAuth.value) return js.apiKeyAuth.value;
-        } catch(e) {}
-        return null;
+          var auth = window.ui.authSelectors.authorized()
+          if (!auth) return null
+          var js = auth.toJS ? auth.toJS() : auth
+          if (js && js.apiKeyAuth && js.apiKeyAuth.value) return js.apiKeyAuth.value
+        } catch (e) {}
+        return null
       }
+
+      function collapseAll() {
+        document.querySelectorAll('.opblock-tag-section.is-open').forEach(function (sec) {
+          var header = sec.querySelector('.opblock-tag')
+          if (header) header.click()
+        })
+      }
+
       function setAuthorized(ok) {
-        authorized = ok;
-        document.body.classList.toggle('neuralsys-authorized', ok);
-        if (!ok) {
-          document.querySelectorAll('.opblock-tag-section.is-open').forEach(function(s) {
-            var h = s.querySelector('.opblock-tag'); if (h) h.click();
-          });
+        authorized = ok
+        document.body.classList.toggle('neuralsys-authorized', ok)
+        if (!ok) collapseAll()
+      }
+
+      function validateKey(key) {
+        if (validating) return
+        validating = true
+        fetch('/validateApiKey', { headers: { 'x-api-key': key } })
+          .then(function (r) { setAuthorized(r.status === 200) })
+          .catch(function () { setAuthorized(false) })
+          .then(function () { validating = false })
+      }
+
+      function pollAuth() {
+        var key = currentKey()
+        if (key !== lastKey) {
+          lastKey = key
+          if (key) { validateKey(key) } else { setAuthorized(false) }
         }
       }
-      function validateKey(key) {
-        if (validating) return; validating = true;
-        fetch('/validateApiKey', { headers: { 'x-api-key': key } })
-          .then(function(r) { setAuthorized(r.status === 200); })
-          .catch(function() { setAuthorized(false); })
-          .then(function() { validating = false; });
-      }
-      function pollAuth() {
-        var key = currentKey();
-        if (key !== lastKey) { lastKey = key; if (key) validateKey(key); else setAuthorized(false); }
-      }
+
       function installFooter() {
-        if (document.querySelector('.neuralsys-footer')) return;
-        var f = document.createElement('footer');
-        f.className = 'neuralsys-footer';
-        f.innerHTML = '<span>Copyright © ' + new Date().getFullYear() + ' — CoreGuard</span><span>contato@neuralsys.com.br</span>';
-        document.body.appendChild(f);
+        if (document.querySelector('.neuralsys-footer')) return
+        var footer = document.createElement('footer')
+        footer.className = 'neuralsys-footer'
+        var year = new Date().getFullYear()
+        footer.innerHTML =
+          '<span>Copyright \\u00A9 ' + year + ' - CoreGuard</span>' +
+          '<a href="mailto:contato@neuralsys.com.br">' +
+            '<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">' +
+              '<path d="M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2zm0 4-8 5-8-5V6l8 5 8-5z"/>' +
+            '</svg>' +
+            '<span>contato@neuralsys.com.br</span>' +
+          '</a>'
+        document.body.appendChild(footer)
+      }
+
+      function boot() {
+        installFilter()
+        translateCopyButtons()
+        installFooter()
+        setAuthorized(false)
+        setInterval(pollAuth, 500)
+        observer.observe(document.body, { childList: true, subtree: true })
+      }
+
+      if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', function () { setTimeout(boot, 400) })
+      } else {
+        setTimeout(boot, 400)
       }
-      function boot() { setAuthorized(false); setInterval(pollAuth, 500); installFooter(); }
-      if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', function() { setTimeout(boot, 400); });
-      else setTimeout(boot, 400);
     })();
   `
 
@@ -132,6 +418,7 @@ if (enableSwagger) {
     customCss,
     customJsStr,
     customSiteTitle: 'WhatsApp Oficial API — Documentação',
+    customfavIcon: '/api-docs/custom-logo.png',
     swaggerOptions: { docExpansion: 'none', persistAuthorization: true },
   }))
 }