feat: rebrand Dashboard + mobile nav + filtrar leads com lembrete futuro

- Renomear "Plan EAL" para "Dashboard Descomplicar" (header + footer)
- Adicionar menu hamburger mobile com navegacao Dashboard/Monitor
- Excluir leads com lembrete futuro da seccao "Contactar" (NOT EXISTS tblreminders)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/App.tsx

@@ -24,6 +24,8 @@ import {
   LayoutDashboard,
   Activity,
   Target,
+  Menu,
+  X,
 } from 'lucide-react'
 
 // Types
@@ -418,6 +420,7 @@ function App() {
   const [data, setData] = useState<DashboardData | null>(null)
   const [loading, setLoading] = useState(true)
   const [refreshing, setRefreshing] = useState(false)
+  const [mobileMenuOpen, setMobileMenuOpen] = useState(false)
 
   const fetchData = useCallback(async () => {
     setRefreshing(true)
@@ -484,8 +487,8 @@ function App() {
                   <Zap className="w-6 h-6 text-white" />
                 </motion.div>
                 <div>
-                  <h1 className="text-xl font-bold text-white tracking-tight">Plan EAL</h1>
-                  <p className="text-xs text-zinc-500">Descomplicar Dashboard SDK</p>
+                  <h1 className="text-xl font-bold text-white tracking-tight">Dashboard Descomplicar</h1>
+                  <p className="text-xs text-zinc-500">Painel de Gestão</p>
                 </div>
               </div>
 
@@ -501,6 +504,14 @@ function App() {
               </nav>
 
               <div className="flex items-center gap-3">
+                <motion.button
+                  whileHover={{ scale: 1.05 }}
+                  whileTap={{ scale: 0.95 }}
+                  onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
+                  className="md:hidden p-2.5 rounded-xl bg-white/5 hover:bg-white/10 border border-white/10 transition-all"
+                >
+                  {mobileMenuOpen ? <X className="w-5 h-5 text-zinc-400" /> : <Menu className="w-5 h-5 text-zinc-400" />}
+                </motion.button>
                 <motion.button
                   whileHover={{ scale: 1.05 }}
                   whileTap={{ scale: 0.95 }}
@@ -516,6 +527,29 @@ function App() {
           </div>
         </header>
 
+        {/* Mobile Navigation */}
+        <AnimatePresence>
+          {mobileMenuOpen && (
+            <motion.nav
+              initial={{ opacity: 0, height: 0 }}
+              animate={{ opacity: 1, height: 'auto' }}
+              exit={{ opacity: 0, height: 0 }}
+              className="md:hidden border-b border-white/5 bg-[#0a0a0f]/95 backdrop-blur-2xl overflow-hidden"
+            >
+              <div className="px-6 py-3 flex flex-col gap-1">
+                <a href="#" onClick={() => setMobileMenuOpen(false)} className="px-4 py-3 rounded-lg bg-brand-500 text-white text-sm font-medium flex items-center gap-3">
+                  <LayoutDashboard className="w-4 h-4" />
+                  Dashboard
+                </a>
+                <a href="/monitor" onClick={() => setMobileMenuOpen(false)} className="px-4 py-3 rounded-lg text-zinc-400 hover:text-white hover:bg-white/10 text-sm font-medium transition-all flex items-center gap-3">
+                  <Activity className="w-4 h-4" />
+                  Monitor
+                </a>
+              </div>
+            </motion.nav>
+          )}
+        </AnimatePresence>
+
         {/* Main Content */}
         <main className="max-w-[1800px] mx-auto px-6 lg:px-8 py-8">
           <AnimatePresence mode="wait">
@@ -809,9 +843,9 @@ function App() {
             <div className="flex items-center justify-between text-sm text-zinc-500">
               <div className="flex items-center gap-2">
                 <div className="w-2 h-2 rounded-full bg-emerald-500 animate-pulse" />
-                <span>Plan EAL v3.0</span>
+                <span>Dashboard Descomplicar v3.0</span>
                 <span className="text-zinc-700">·</span>
-                <span>SDK Dashboard</span>
+                <span>Painel de Gestão</span>
               </div>
               <span>Actualizado: {new Date().toLocaleString('pt-PT')}</span>
             </div>