feat: reemplazar todos los alerts y confirms del navegador por notificaciones y modales internos in-app

src/App.tsx

@@ -5,6 +5,7 @@ import { VotingStep } from './components/VotingStep';
 import { LiveResults } from './components/LiveResults';
 import { AdminPanel } from './components/AdminPanel';
 import { Footer } from './components/Footer';
+import { ToastContainer, ToastMessage } from './components/Toast';
 import { ApiService } from './services/api';
 import { CANDIDATOS_DEFAULT, CandidateStats, SyncStatus } from './types';
 
@@ -15,6 +16,16 @@ export default function App() {
   const [lastSyncTime, setLastSyncTime] = useState<Date | null>(null);
   const [isRefreshing, setIsRefreshing] = useState(false);
   const [isAdminOpen, setIsAdminOpen] = useState(false);
+  const [toasts, setToasts] = useState<ToastMessage[]>([]);
+
+  const addToast = useCallback((type: 'success' | 'error' | 'warning' | 'info', message: string, title?: string) => {
+    const id = Math.random().toString(36).substring(2, 9);
+    setToasts((prev) => [...prev, { id, type, message, title }]);
+  }, []);
+
+  const removeToast = useCallback((id: string) => {
+    setToasts((prev) => prev.filter((t) => t.id !== id));
+  }, []);
 
   // Sincronización REST con la API PostgreSQL
   const fetchVotes = useCallback(async (isManual = false) => {
@@ -103,7 +114,7 @@ export default function App() {
   // Emitir voto
   const handleCastVote = async (candidate: string) => {
     if (!normalizedVoter || normalizedVoter.length < 2) {
-      alert('Por favor escribe tu nombre completo en el Paso 1 antes de votar.');
+      addToast('warning', 'Por favor escribe tu nombre completo en el Paso 1 antes de votar.', 'Identificación Requerida');
       return;
     }
 
@@ -115,8 +126,9 @@ export default function App() {
         [normalizedVoter]: candidate.toUpperCase(),
       }));
       setLastSyncTime(new Date());
+      addToast('success', `Tu voto por ${candidate.toUpperCase()} ha sido registrado exitosamente.`, '¡Voto Registrado!');
     } catch (err) {
-      alert(`Error al registrar el voto en PostgreSQL: ${err instanceof Error ? err.message : 'Desconocido'}`);
+      addToast('error', err instanceof Error ? err.message : 'Error desconocido al registrar voto', 'Error de Votación');
       throw err;
     }
   };
@@ -202,7 +214,10 @@ export default function App() {
               voterName={voterName}
               existingVoteFor={existingVoteFor}
               onCastVote={handleCastVote}
-              onVoteRemoved={() => fetchVotes(true)}
+              onVoteRemoved={() => {
+                fetchVotes(true);
+                addToast('info', 'Tu voto ha sido removido del sistema.', 'Voto Removido');
+              }}
               isLoading={isRefreshing}
             />
           </section>
@@ -223,7 +238,10 @@ export default function App() {
         <div className="max-w-7xl mx-auto w-full">
           <AdminPanel
             rawVotes={votes}
-            onVoteResetSuccess={() => fetchVotes(true)}
+            onVoteResetSuccess={async () => {
+              await fetchVotes(true);
+              addToast('success', 'Operación de administración completada con éxito.', 'Panel Admin');
+            }}
             isOpen={isAdminOpen}
             onClose={() => setIsAdminOpen(false)}
           />
@@ -232,6 +250,9 @@ export default function App() {
         {/* Footer */}
         <Footer />
       </div>
+
+      {/* Notificaciones Internas (Toast) */}
+      <ToastContainer toasts={toasts} onDismiss={removeToast} />
     </div>
   );
 }

src/components/AdminPanel.tsx

@@ -1,36 +1,28 @@
 import React, { useState } from 'react';
 import { KeyRound, Trash2, Copy, Check, Download, AlertTriangle, ShieldCheck, X } from 'lucide-react';
 import { ApiService } from '../services/api';
+import { ConfirmModal } from './ConfirmModal';
 
 interface AdminPanelProps {
   rawVotes: Record<string, string>;
   onVoteResetSuccess: () => Promise<void>;
-  isOpen?: boolean;
+  isOpen: boolean;
-  onClose?: () => void;
+  onClose: () => void;
 }
 
 export const AdminPanel: React.FC<AdminPanelProps> = ({
   rawVotes,
   onVoteResetSuccess,
-  isOpen: controlledOpen,
+  isOpen,
   onClose,
 }) => {
-  const [internalOpen, setInternalOpen] = useState(false);
   const [selectedVoter, setSelectedVoter] = useState('');
   const [password, setPassword] = useState('');
   const [adminMsg, setAdminMsg] = useState<{ text: string; type: 'success' | 'error' } | null>(null);
   const [isDeleting, setIsDeleting] = useState(false);
   const [copiedCode, setCopiedCode] = useState(false);
   const [copiedSingleHtml, setCopiedSingleHtml] = useState(false);
-
+  const [showConfirmResetAll, setShowConfirmResetAll] = useState(false);
-  const isPanelOpen = controlledOpen !== undefined ? controlledOpen : internalOpen;
-  const togglePanel = () => {
-    if (onClose && controlledOpen !== undefined) {
-      onClose();
-    } else {
-      setInternalOpen(!internalOpen);
-    }
-  };
 
   const registeredVoters = Object.keys(rawVotes).sort();
 
@@ -68,17 +60,19 @@ export const AdminPanel: React.FC<AdminPanelProps> = ({
     }
   };
 
-  const handleResetAllVotes = async () => {
+  const handlePromptResetAll = () => {
     const trimmedPass = password.trim();
     if (!trimmedPass) {
       setAdminMsg({ text: 'Ingresa la contraseña de autorización para vaciar todos los votos.', type: 'error' });
       return;
     }
+    setAdminMsg(null);
+    setShowConfirmResetAll(true);
+  };
 
-    if (!window.confirm('¿Confirmas que deseas eliminar TODOS los votos para reiniciar pruebas?')) {
+  const handleExecuteResetAll = async () => {
-      return;
+    setShowConfirmResetAll(false);
-    }
+    const trimmedPass = password.trim();
-
     setIsDeleting(true);
     setAdminMsg(null);
 
@@ -246,19 +240,34 @@ const VOTOS_EMBEBIDOS = ${JSON.stringify(rawVotes, null, 2)};`;
       } catch (e) { console.error(e); }
     }
 
+    function showNotify(msg, isErr) {
+      let el = document.getElementById('standaloneNotify');
+      if (!el) {
+        el = document.createElement('div');
+        el.id = 'standaloneNotify';
+        el.style.cssText = 'position:fixed;bottom:20px;right:20px;padding:12px 18px;border-radius:12px;font-size:13px;font-weight:600;z-index:9999;transition:all 0.3s;box-shadow:0 10px 30px rgba(0,0,0,0.8);backdrop-filter:blur(10px);';
+        document.body.appendChild(el);
+      }
+      el.style.background = isErr ? 'rgba(239,68,68,0.9)' : 'rgba(0,183,212,0.95)';
+      el.style.color = isErr ? '#fff' : '#000';
+      el.innerText = msg;
+      el.style.display = 'block';
+      setTimeout(() => { if (el) el.style.display = 'none'; }, 4000);
+    }
+
     async function submitVote() {
       const voter = state.currentVoter.trim().toUpperCase();
       const cand = state.selected || state.votes[voter];
-      if (!voter || voter.length < 2) return alert("Escribe tu nombre antes de votar.");
+      if (!voter || voter.length < 2) return showNotify("Escribe tu nombre antes de votar.", true);
-      if (!cand) return alert("Selecciona un candidato.");
+      if (!cand) return showNotify("Selecciona un candidato.", true);
-      if (voter === cand || voter.split(/\\s+/).includes(cand)) return alert("No puedes votar por ti mismo.");
+      if (voter === cand || voter.split(/\\s+/).includes(cand)) return showNotify("No puedes votar por ti mismo.", true);
       try {
         await callRedis(["HSET", CONFIG.key, voter, cand]);
         state.votes[voter] = cand;
         localStorage.setItem('e3_voter_app', voter);
         render();
-        alert("¡Voto registrado en la nube con éxito!");
+        showNotify("¡Voto registrado en la nube con éxito!", false);
-      } catch (e) { alert("Error: " + e.message); }
+      } catch (e) { showNotify("Error: " + e.message, true); }
     }
 
     function render() {
@@ -331,23 +340,10 @@ const VOTOS_EMBEBIDOS = ${JSON.stringify(rawVotes, null, 2)};`;
     URL.revokeObjectURL(url);
   };
 
+  if (!isOpen) return null;
+
   return (
     <div className="w-full mt-6">
-      {/* Accordion / Toggle trigger if not controlled externally */}
-      {controlledOpen === undefined && (
-        <div className="flex justify-end mb-3">
-          <button
-            type="button"
-            onClick={togglePanel}
-            className="text-xs font-mono uppercase tracking-widest text-gray-500 hover:text-[#00B7D4] transition-colors flex items-center gap-1.5 cursor-pointer"
-          >
-            <KeyRound className="w-3.5 h-3.5" />
-            <span>{isPanelOpen ? 'Cerrar Panel Admin' : 'Panel de Administración'}</span>
-          </button>
-        </div>
-      )}
-
-      {isPanelOpen && (
       <div className="glass-panel p-6 border border-white/10 shadow-2xl relative animate-in fade-in zoom-in-95 duration-200">
         {onClose && (
           <button
@@ -418,7 +414,7 @@ const VOTOS_EMBEBIDOS = ${JSON.stringify(rawVotes, null, 2)};`;
 
                 <button
                   type="button"
-                  onClick={handleResetAllVotes}
+                  onClick={handlePromptResetAll}
                   disabled={isDeleting || registeredVoters.length === 0}
                   title="Vaciar todos los votos registrados para pruebas"
                   className="px-3 py-2.5 bg-amber-950/40 hover:bg-amber-900/60 border border-amber-500/40 text-amber-300 rounded-xl text-xs font-bold uppercase tracking-wider transition-colors cursor-pointer disabled:opacity-30 flex items-center justify-center gap-1"
@@ -482,7 +478,18 @@ const VOTOS_EMBEBIDOS = ${JSON.stringify(rawVotes, null, 2)};`;
             </div>
           </div>
         </div>
-      )}
+
+      {/* Modal Interno de Confirmación */}
+      <ConfirmModal
+        isOpen={showConfirmResetAll}
+        title="¿Vaciar Todos los Votos?"
+        message="Esta acción eliminará todos los votos registrados en PostgreSQL para reiniciar las pruebas. No se puede deshacer."
+        confirmLabel="Sí, Vaciar Todo"
+        cancelLabel="Cancelar"
+        isDestructive={true}
+        onConfirm={handleExecuteResetAll}
+        onCancel={() => setShowConfirmResetAll(false)}
+      />
     </div>
   );
 };

src/components/ConfirmModal.tsx

@@ -0,0 +1,79 @@
+import React from 'react';
+import { AlertTriangle, X } from 'lucide-react';
+
+interface ConfirmModalProps {
+  isOpen: boolean;
+  title: string;
+  message: string;
+  confirmLabel?: string;
+  cancelLabel?: string;
+  isDestructive?: boolean;
+  onConfirm: () => void;
+  onCancel: () => void;
+}
+
+export const ConfirmModal: React.FC<ConfirmModalProps> = ({
+  isOpen,
+  title,
+  message,
+  confirmLabel = 'Confirmar',
+  cancelLabel = 'Cancelar',
+  isDestructive = true,
+  onConfirm,
+  onCancel,
+}) => {
+  if (!isOpen) return null;
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-black/80 backdrop-blur-sm animate-in fade-in duration-150">
+      <div className="w-full max-w-md bg-[#0d0f12] border border-white/10 rounded-2xl p-6 shadow-2xl relative space-y-4">
+        <button
+          type="button"
+          onClick={onCancel}
+          className="absolute top-4 right-4 text-gray-400 hover:text-white p-1 cursor-pointer"
+        >
+          <X className="w-4 h-4" />
+        </button>
+
+        <div className="flex items-center gap-3">
+          <div
+            className={`w-10 h-10 rounded-xl flex items-center justify-center ${
+              isDestructive
+                ? 'bg-red-500/10 text-red-400 border border-red-500/20'
+                : 'bg-[#00B7D4]/10 text-[#00B7D4] border border-[#00B7D4]/20'
+            }`}
+          >
+            <AlertTriangle className="w-5 h-5" />
+          </div>
+          <div>
+            <h3 className="text-base font-bold text-white uppercase tracking-wider title-font">{title}</h3>
+            <p className="text-[11px] text-gray-400 font-mono">Confirmación de Acción</p>
+          </div>
+        </div>
+
+        <p className="text-xs text-gray-300 leading-relaxed font-medium">{message}</p>
+
+        <div className="flex justify-end gap-2.5 pt-2">
+          <button
+            type="button"
+            onClick={onCancel}
+            className="px-4 py-2 rounded-xl bg-white/[0.04] hover:bg-white/[0.08] border border-white/10 text-xs font-mono text-gray-300 transition-all cursor-pointer"
+          >
+            {cancelLabel}
+          </button>
+          <button
+            type="button"
+            onClick={onConfirm}
+            className={`px-4 py-2 rounded-xl text-xs font-bold uppercase tracking-wider transition-all cursor-pointer ${
+              isDestructive
+                ? 'bg-red-600 hover:bg-red-500 text-white shadow-[0_0_15px_rgba(239,68,68,0.4)]'
+                : 'bg-[#00B7D4] hover:bg-[#38bdf8] text-black shadow-[0_0_15px_rgba(0,183,212,0.4)]'
+            }`}
+          >
+            {confirmLabel}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};

src/components/Toast.tsx

@@ -0,0 +1,81 @@
+import React, { useEffect } from 'react';
+import { CheckCircle2, AlertCircle, AlertTriangle, Info, X } from 'lucide-react';
+
+export interface ToastMessage {
+  id: string;
+  type: 'success' | 'error' | 'warning' | 'info';
+  title?: string;
+  message: string;
+}
+
+interface ToastContainerProps {
+  toasts: ToastMessage[];
+  onDismiss: (id: string) => void;
+}
+
+export const ToastContainer: React.FC<ToastContainerProps> = ({ toasts, onDismiss }) => {
+  return (
+    <div className="fixed bottom-6 right-6 z-50 flex flex-col gap-2.5 max-w-sm w-full pointer-events-none px-4 sm:px-0">
+      {toasts.map((toast) => (
+        <ToastItem key={toast.id} toast={toast} onDismiss={() => onDismiss(toast.id)} />
+      ))}
+    </div>
+  );
+};
+
+const ToastItem: React.FC<{ toast: ToastMessage; onDismiss: () => void }> = ({ toast, onDismiss }) => {
+  useEffect(() => {
+    const timer = setTimeout(onDismiss, 4500);
+    return () => clearTimeout(timer);
+  }, [onDismiss]);
+
+  const config = {
+    success: {
+      border: 'border-[#00e676]/40',
+      bg: 'bg-[#0a1f14]/95',
+      icon: <CheckCircle2 className="w-5 h-5 text-[#00e676] shrink-0" />,
+      titleColor: 'text-[#00e676]',
+    },
+    error: {
+      border: 'border-red-500/40',
+      bg: 'bg-[#220a0a]/95',
+      icon: <AlertCircle className="w-5 h-5 text-red-400 shrink-0" />,
+      titleColor: 'text-red-400',
+    },
+    warning: {
+      border: 'border-amber-500/40',
+      bg: 'bg-[#241705]/95',
+      icon: <AlertTriangle className="w-5 h-5 text-amber-400 shrink-0" />,
+      titleColor: 'text-amber-400',
+    },
+    info: {
+      border: 'border-[#00B7D4]/40',
+      bg: 'bg-[#051820]/95',
+      icon: <Info className="w-5 h-5 text-[#00B7D4] shrink-0" />,
+      titleColor: 'text-[#00B7D4]',
+    },
+  }[toast.type];
+
+  return (
+    <div
+      className={`pointer-events-auto p-4 rounded-xl border ${config.border} ${config.bg} backdrop-blur-xl shadow-2xl flex items-start gap-3 transition-all animate-in slide-in-from-bottom-5 duration-200`}
+    >
+      {config.icon}
+      <div className="flex-1 min-w-0">
+        {toast.title && (
+          <h4 className={`text-xs font-bold uppercase tracking-wider ${config.titleColor} mb-0.5`}>
+            {toast.title}
+          </h4>
+        )}
+        <p className="text-xs text-gray-200 leading-relaxed font-medium">{toast.message}</p>
+      </div>
+      <button
+        type="button"
+        onClick={onDismiss}
+        className="text-gray-400 hover:text-white p-0.5 cursor-pointer shrink-0 transition-colors"
+      >
+        <X className="w-4 h-4" />
+      </button>
+    </div>
+  );
+};