diff --git a/src/components/portal/CustomerPortal.jsx b/src/components/portal/CustomerPortal.jsx
index a394e4f..21a31bb 100644
--- a/src/components/portal/CustomerPortal.jsx
+++ b/src/components/portal/CustomerPortal.jsx
@@ -13,7 +13,9 @@ import {
   Sparkles,
   CheckCircle2,
   AlertCircle,
-  Info
+  Info,
+  Lock,
+  Unlock
 } from 'lucide-react';
 import { 
   CATEGORIES, 
@@ -25,6 +27,7 @@ import {
 import PortalItemCard from './PortalItemCard';
 import ModalPortalItem from './ModalPortalItem';
 import ModalConfirm from '../wpp/ModalConfirm';
+import ModalSupportAuth from './ModalSupportAuth';
 
 export default function CustomerPortal() {
   const [items, setItems] = useState([]);
@@ -33,6 +36,14 @@ export default function CustomerPortal() {
   const [copiedWhatsapp, setCopiedWhatsapp] = useState(false);
   const [toasts, setToasts] = useState([]);
 
+  // Estado de Autenticação da Equipe de Suporte
+  const [isSupportUnlocked, setIsSupportUnlocked] = useState(false);
+  const [authModal, setAuthModal] = useState({
+    isOpen: false,
+    title: '',
+    onSuccess: null
+  });
+
   // Modals state
   const [isModalItemOpen, setIsModalItemOpen] = useState(false);
   const [itemToEdit, setItemToEdit] = useState(null);
@@ -66,6 +77,25 @@ export default function CustomerPortal() {
     }, 3500);
   };
 
+  // Solicitação de autenticação de suporte para ver senhas
+  const handleRequestSupportAuth = (onSuccess, title) => {
+    setAuthModal({
+      isOpen: true,
+      title: title || 'este acesso',
+      onSuccess
+    });
+  };
+
+  const handleSessionUnlock = () => {
+    setIsSupportUnlocked(true);
+    showToast('Modo de suporte autenticado para esta sessão!', 'success');
+  };
+
+  const handleLockSupport = () => {
+    setIsSupportUnlocked(false);
+    showToast('Modo de suporte bloqueado. Senhas protegidas.', 'info');
+  };
+
   // Salvar Item (Criar ou Editar)
   const handleSaveItem = (itemData) => {
     let updated;
@@ -270,6 +300,30 @@ export default function CustomerPortal() {
             <RotateCcw size={14} />
             <span>Restaurar Padrão</span>
           </button>
+
+          {/* Botão de Autenticação / Status do Suporte */}
+          {isSupportUnlocked ? (
+            <button
+              type="button"
+              className="btn-portal-tool"
+              style={{ color: '#38bdf8', borderColor: '#0284c7', background: 'rgba(2, 132, 199, 0.15)' }}
+              onClick={handleLockSupport}
+              title="Modo suporte autenticado. Clique para bloquear."
+            >
+              <Unlock size={14} />
+              <span>Suporte Ativo (Bloquear)</span>
+            </button>
+          ) : (
+            <button
+              type="button"
+              className="btn-portal-tool"
+              onClick={() => handleRequestSupportAuth(handleSessionUnlock, 'painel de suporte')}
+              title="Autenticar equipe de suporte para visualizar senhas"
+            >
+              <Lock size={14} />
+              <span>Autenticar Suporte</span>
+            </button>
+          )}
         </div>
       </div>
 
@@ -300,6 +354,8 @@ export default function CustomerPortal() {
           <PortalItemCard
             key={item.id}
             item={item}
+            isSupportUnlocked={isSupportUnlocked}
+            onRequestSupportAuth={handleRequestSupportAuth}
             onEdit={(it) => {
               setItemToEdit(it);
               setIsModalItemOpen(true);
@@ -341,6 +397,15 @@ export default function CustomerPortal() {
         type={confirmModal.type}
       />
 
+      {/* Modal de Autenticação de Suporte (Senha Padrão C2s33131782*) */}
+      <ModalSupportAuth
+        isOpen={authModal.isOpen}
+        onClose={() => setAuthModal(prev => ({ ...prev, isOpen: false }))}
+        onSuccess={authModal.onSuccess}
+        targetTitle={authModal.title}
+        onSessionUnlock={handleSessionUnlock}
+      />
+
       {/* Toasts */}
       <div className="wpp-toasts-container">
         {toasts.map(t => (
diff --git a/src/components/portal/ModalSupportAuth.jsx b/src/components/portal/ModalSupportAuth.jsx
new file mode 100644
index 0000000..9620f28
--- /dev/null
+++ b/src/components/portal/ModalSupportAuth.jsx
@@ -0,0 +1,157 @@
+import React, { useState, useEffect, useRef } from 'react';
+import { ShieldAlert, Lock, Unlock, Eye, EyeOff, X, AlertCircle, KeyRound } from 'lucide-react';
+import { SUPPORT_MASTER_PASSWORD } from '../../utils/customerPortalData';
+
+export default function ModalSupportAuth({
+  isOpen,
+  onClose,
+  onSuccess,
+  targetTitle = 'este acesso',
+  onSessionUnlock
+}) {
+  const [inputPassword, setInputPassword] = useState('');
+  const [showInputPassword, setShowInputPassword] = useState(false);
+  const [error, setError] = useState(false);
+  const [rememberSession, setRememberSession] = useState(true);
+  const inputRef = useRef(null);
+
+  useEffect(() => {
+    if (isOpen) {
+      setInputPassword('');
+      setError(false);
+      setShowInputPassword(false);
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 100);
+    }
+  }, [isOpen]);
+
+  if (!isOpen) return null;
+
+  const handleSubmit = (e) => {
+    e?.preventDefault();
+    if (inputPassword === SUPPORT_MASTER_PASSWORD) {
+      setError(false);
+      if (rememberSession && onSessionUnlock) {
+        onSessionUnlock();
+      }
+      onSuccess?.();
+      onClose();
+    } else {
+      setError(true);
+      setInputPassword('');
+      inputRef.current?.focus();
+    }
+  };
+
+  return (
+    <div className="modal-backdrop" onClick={onClose}>
+      <div 
+        className="modal-dialog modal-auth-dialog" 
+        onClick={(e) => e.stopPropagation()}
+        style={{ maxWidth: '440px' }}
+      >
+        <div className="modal-header">
+          <div className="modal-title-box">
+            <div className="modal-confirm-icon-box icon-box-warning">
+              <KeyRound size={20} />
+            </div>
+            <div>
+              <h3 className="modal-title">Autenticação de Suporte</h3>
+              <p style={{ fontSize: '0.75rem', color: '#94a3b8', margin: 0 }}>
+                Acesso restrito à equipe técnica C2
+              </p>
+            </div>
+          </div>
+          <button type="button" className="modal-close-btn" onClick={onClose} title="Fechar">
+            <X size={20} />
+          </button>
+        </div>
+
+        <form onSubmit={handleSubmit}>
+          <div className="modal-body" style={{ padding: '1.5rem', display: 'flex', flexDirection: 'column', gap: '1rem' }}>
+            <p className="modal-confirm-message" style={{ margin: 0, fontSize: '0.9rem', color: '#cbd5e1' }}>
+              Para visualizar a senha de <strong>{targetTitle}</strong>, informe a senha padrão da equipe de suporte:
+            </p>
+
+            <div className="form-group" style={{ margin: 0 }}>
+              <div style={{ position: 'relative', display: 'flex', alignItems: 'center' }}>
+                <input
+                  ref={inputRef}
+                  type={showInputPassword ? 'text' : 'password'}
+                  className={`password-input ${error ? 'input-error' : ''}`}
+                  placeholder="Digite a senha de suporte..."
+                  value={inputPassword}
+                  onChange={(e) => {
+                    setInputPassword(e.target.value);
+                    if (error) setError(false);
+                  }}
+                  style={{
+                    paddingRight: '2.5rem',
+                    borderColor: error ? '#ef4444' : undefined,
+                    boxShadow: error ? '0 0 0 1px #ef4444' : undefined
+                  }}
+                  autoComplete="off"
+                />
+                <button
+                  type="button"
+                  onClick={() => setShowInputPassword(!showInputPassword)}
+                  style={{
+                    position: 'absolute',
+                    right: '0.75rem',
+                    background: 'none',
+                    border: 'none',
+                    color: '#94a3b8',
+                    cursor: 'pointer',
+                    display: 'flex',
+                    alignItems: 'center',
+                    padding: '0.25rem'
+                  }}
+                  title={showInputPassword ? 'Ocultar' : 'Ver o que estou digitando'}
+                >
+                  {showInputPassword ? <EyeOff size={16} /> : <Eye size={16} />}
+                </button>
+              </div>
+            </div>
+
+            {error && (
+              <div className="alert-error-box" style={{ padding: '0.625rem 0.875rem', fontSize: '0.825rem' }}>
+                <AlertCircle size={16} />
+                <span>Senha incorreta! Acesso restrito à equipe de suporte.</span>
+              </div>
+            )}
+
+            <label style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', fontSize: '0.825rem', color: '#94a3b8', cursor: 'pointer' }}>
+              <input
+                type="checkbox"
+                checked={rememberSession}
+                onChange={(e) => setRememberSession(e.target.checked)}
+                style={{ accentColor: '#0ea5e9', cursor: 'pointer' }}
+              />
+              <span>Manter suporte autenticado nesta sessão</span>
+            </label>
+          </div>
+
+          <div className="modal-footer" style={{ display: 'flex', justifyContent: 'flex-end', gap: '0.75rem' }}>
+            <button
+              type="button"
+              className="btn-modal-cancel"
+              onClick={onClose}
+            >
+              Cancelar
+            </button>
+
+            <button
+              type="submit"
+              className="btn-modal-action-confirm btn-confirm-warning"
+              style={{ background: 'linear-gradient(135deg, #0284c7, #0369a1)', borderColor: '#0284c7' }}
+            >
+              <Unlock size={16} />
+              <span>Liberar Senha</span>
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  );
+}
diff --git a/src/components/portal/PortalItemCard.jsx b/src/components/portal/PortalItemCard.jsx
index 0da1ae3..8ede5e9 100644
--- a/src/components/portal/PortalItemCard.jsx
+++ b/src/components/portal/PortalItemCard.jsx
@@ -14,7 +14,13 @@ import {
   Globe 
 } from 'lucide-react';
 
-export default function PortalItemCard({ item, onEdit, onDelete }) {
+export default function PortalItemCard({ 
+  item, 
+  onEdit, 
+  onDelete, 
+  isSupportUnlocked = false,
+  onRequestSupportAuth 
+}) {
   const [copiedKey, setCopiedKey] = useState(null);
   const [showPassword, setShowPassword] = useState(false);
   const [showWifiPassword, setShowWifiPassword] = useState(false);
@@ -26,6 +32,42 @@ export default function PortalItemCard({ item, onEdit, onDelete }) {
     setTimeout(() => setCopiedKey(null), 2000);
   };
 
+  const handleTogglePassword = () => {
+    if (showPassword) {
+      setShowPassword(false);
+    } else {
+      if (isSupportUnlocked) {
+        setShowPassword(true);
+      } else if (onRequestSupportAuth) {
+        onRequestSupportAuth(() => setShowPassword(true), item.title);
+      } else {
+        setShowPassword(true);
+      }
+    }
+  };
+
+  const handleToggleWifiPassword = () => {
+    if (showWifiPassword) {
+      setShowWifiPassword(false);
+    } else {
+      if (isSupportUnlocked) {
+        setShowWifiPassword(true);
+      } else if (onRequestSupportAuth) {
+        onRequestSupportAuth(() => setShowWifiPassword(true), `${item.title} (Wi-Fi)`);
+      } else {
+        setShowWifiPassword(true);
+      }
+    }
+  };
+
+  const handlePasswordCopy = (text, key, isVisible) => {
+    if (!isVisible && !isSupportUnlocked && onRequestSupportAuth) {
+      onRequestSupportAuth(() => handleCopy(text, key), item.title);
+    } else {
+      handleCopy(text, key);
+    }
+  };
+
   return (
     <div className="portal-card">
       <div className="portal-card-header">
@@ -114,7 +156,11 @@ export default function PortalItemCard({ item, onEdit, onDelete }) {
           <div className="portal-cred-pill" title="Clique para copiar a Senha">
             <Key size={13} className="text-amber" />
             <span className="portal-cred-label">Senha:</span>
-            <span className="portal-cred-val font-mono" onClick={() => handleCopy(item.password, 'pass')}>
+            <span 
+              className="portal-cred-val font-mono" 
+              onClick={() => handlePasswordCopy(item.password, 'pass', showPassword)}
+              title={showPassword ? 'Clique para copiar' : 'Requer senha de suporte'}
+            >
               {showPassword ? item.password : '••••••••'}
             </span>
             <button
@@ -122,13 +168,17 @@ export default function PortalItemCard({ item, onEdit, onDelete }) {
               className="btn-toggle-cred-pw"
               onClick={(e) => {
                 e.stopPropagation();
-                setShowPassword(!showPassword);
+                handleTogglePassword();
               }}
-              title={showPassword ? 'Ocultar' : 'Ver senha'}
+              title={showPassword ? 'Ocultar senha' : 'Ver senha (Requer senha de suporte)'}
             >
               {showPassword ? <EyeOff size={12} /> : <Eye size={12} />}
             </button>
-            <span onClick={() => handleCopy(item.password, 'pass')} style={{ cursor: 'pointer', display: 'flex' }}>
+            <span 
+              onClick={() => handlePasswordCopy(item.password, 'pass', showPassword)} 
+              style={{ cursor: 'pointer', display: 'flex' }}
+              title="Copiar senha"
+            >
               {copiedKey === 'pass' ? <Check size={12} className="text-emerald" /> : <Copy size={12} />}
             </span>
           </div>
@@ -149,7 +199,11 @@ export default function PortalItemCard({ item, onEdit, onDelete }) {
           <div className="portal-cred-pill" title="Clique para copiar senha Wi-Fi">
             <Key size={13} className="text-emerald" />
             <span className="portal-cred-label">Senha Wi-Fi:</span>
-            <span className="portal-cred-val font-mono" onClick={() => handleCopy(item.wifiPassword, 'wifiPass')}>
+            <span 
+              className="portal-cred-val font-mono" 
+              onClick={() => handlePasswordCopy(item.wifiPassword, 'wifiPass', showWifiPassword)}
+              title={showWifiPassword ? 'Clique para copiar' : 'Requer senha de suporte'}
+            >
               {showWifiPassword ? item.wifiPassword : '••••••••'}
             </span>
             <button
@@ -157,13 +211,17 @@ export default function PortalItemCard({ item, onEdit, onDelete }) {
               className="btn-toggle-cred-pw"
               onClick={(e) => {
                 e.stopPropagation();
-                setShowWifiPassword(!showWifiPassword);
+                handleToggleWifiPassword();
               }}
-              title={showWifiPassword ? 'Ocultar' : 'Ver senha'}
+              title={showWifiPassword ? 'Ocultar senha' : 'Ver senha (Requer senha de suporte)'}
             >
               {showWifiPassword ? <EyeOff size={12} /> : <Eye size={12} />}
             </button>
-            <span onClick={() => handleCopy(item.wifiPassword, 'wifiPass')} style={{ cursor: 'pointer', display: 'flex' }}>
+            <span 
+              onClick={() => handlePasswordCopy(item.wifiPassword, 'wifiPass', showWifiPassword)} 
+              style={{ cursor: 'pointer', display: 'flex' }}
+              title="Copiar senha Wi-Fi"
+            >
               {copiedKey === 'wifiPass' ? <Check size={12} className="text-emerald" /> : <Copy size={12} />}
             </span>
           </div>
diff --git a/src/utils/customerPortalData.js b/src/utils/customerPortalData.js
index cf639e5..2b33bab 100644
--- a/src/utils/customerPortalData.js
+++ b/src/utils/customerPortalData.js
@@ -1,4 +1,5 @@
 const STORAGE_KEY = 'inflavio_customer_portal_data_v1';
+export const SUPPORT_MASTER_PASSWORD = 'C2s33131782*';
 
 export const CATEGORIES = [
   { id: 'all', label: 'Todos os Acessos' },