Add "Configuración" page and update navigation to support new view

Introduced the `SettingsPage` component for managing application preferences with localStorage persistence. Updated navigation and dynamic header title logic to include the new "settings" view. Adjusted `App.js` to handle the new view state and display `SettingsPage`.

src/App.js

@@ -7,6 +7,7 @@ import RequestForm from './components/Requests/RequestForm';
 import ScheduledPage from './components/Scheduled/ScheduledPage';
 import NewRequestPage from './components/Requests/NewRequestPage';
 import HistoryPage from './components/History/HistoryPage';
+import SettingsPage from './components/Settings/SettingsPage';
 
 function App() {
   const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
@@ -24,6 +25,8 @@ function App() {
     ? 'Nueva Solicitud'
     : activeView === 'history'
     ? 'Historial'
+    : activeView === 'settings'
+    ? 'Configuración'
     : 'Dashboard';
 
   return (
@@ -42,6 +45,8 @@ function App() {
           <NewRequestPage />
         ) : activeView === 'history' ? (
           <HistoryPage />
+        ) : activeView === 'settings' ? (
+          <SettingsPage />
         ) : (
           <section className="content-wrapper">
             <DashboardCards />

src/components/Settings/SettingsPage.js

@@ -0,0 +1,151 @@
+import React, { useEffect, useState } from 'react';
+import '../../styles/components.css';
+
+// Simple settings persisted in localStorage
+const DEFAULT_SETTINGS = {
+  timezone: Intl.DateTimeFormat().resolvedOptions().timeZone || 'UTC',
+  theme: 'light',
+  notifications: true,
+  apiBaseUrl: ''
+};
+
+const loadSettings = () => {
+  try {
+    const raw = localStorage.getItem('app_settings');
+    if (!raw) return DEFAULT_SETTINGS;
+    const parsed = JSON.parse(raw);
+    return { ...DEFAULT_SETTINGS, ...parsed };
+  } catch {
+    return DEFAULT_SETTINGS;
+  }
+};
+
+const saveSettings = (settings) => {
+  localStorage.setItem('app_settings', JSON.stringify(settings));
+};
+
+const SettingsPage = () => {
+  const [settings, setSettings] = useState(loadSettings);
+  const [saved, setSaved] = useState(false);
+
+  useEffect(() => {
+    if (!saved) return;
+    const t = setTimeout(() => setSaved(false), 2000);
+    return () => clearTimeout(t);
+  }, [saved]);
+
+  const handleChange = (e) => {
+    const { name, value, type, checked } = e.target;
+    setSettings((s) => ({
+      ...s,
+      [name]: type === 'checkbox' ? checked : value
+    }));
+  };
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    saveSettings(settings);
+    setSaved(true);
+  };
+
+  const handleReset = () => {
+    setSettings(DEFAULT_SETTINGS);
+    saveSettings(DEFAULT_SETTINGS);
+  };
+
+  return (
+    <section className="content-wrapper">
+      <div className="card" style={{ marginBottom: 24 }}>
+        <div className="form-header">
+          <h3>
+            <i className="fas fa-cog"></i>
+            Configuración
+          </h3>
+        </div>
+        <p style={{ color: 'var(--gray)' }}>
+          Ajusta las preferencias de la aplicación. Estos valores se guardan en este navegador.
+        </p>
+      </div>
+
+      <div className="content-grid">
+        <div className="card">
+          <div className="form-header">
+            <h3>
+              <i className="fas fa-sliders-h"></i>
+              Preferencias
+            </h3>
+          </div>
+          <form onSubmit={handleSubmit}>
+            <div className="form-grid">
+              <div className="form-group">
+                <label htmlFor="timezone">Zona horaria</label>
+                <input
+                  id="timezone"
+                  name="timezone"
+                  type="text"
+                  placeholder="Ej: America/Bogota"
+                  value={settings.timezone}
+                  onChange={handleChange}
+                />
+              </div>
+
+              <div className="form-group">
+                <label htmlFor="theme">Tema</label>
+                <select id="theme" name="theme" value={settings.theme} onChange={handleChange}>
+                  <option value="light">Claro</option>
+                  <option value="dark">Oscuro</option>
+                  <option value="system">Sistema</option>
+                </select>
+              </div>
+
+              <div className="form-group">
+                <label className="checkbox">
+                  <input
+                    type="checkbox"
+                    name="notifications"
+                    checked={settings.notifications}
+                    onChange={handleChange}
+                  />
+                  Habilitar notificaciones
+                </label>
+              </div>
+
+              <div className="form-group" style={{ gridColumn: '1 / -1' }}>
+                <label htmlFor="apiBaseUrl">API Base URL</label>
+                <input
+                  id="apiBaseUrl"
+                  name="apiBaseUrl"
+                  type="text"
+                  placeholder="https://api.midominio.com"
+                  value={settings.apiBaseUrl}
+                  onChange={handleChange}
+                />
+                <small style={{ color: 'var(--gray)' }}>
+                  Base para las solicitudes HTTP; si se deja vacío, se usará la URL por defecto del sistema.
+                </small>
+              </div>
+            </div>
+
+            <div className="form-actions" style={{ marginTop: 16 }}>
+              <button type="submit" className="btn btn-primary">
+                <i className="fas fa-save" style={{ marginRight: 8 }}></i>
+                Guardar cambios
+              </button>
+              <button type="button" className="btn btn-outline" onClick={handleReset}>
+                Restablecer
+              </button>
+              {saved && (
+                <span style={{ color: 'var(--success)', marginLeft: 12 }}>
+                  <i className="fas fa-check-circle" style={{ marginRight: 6 }}></i>
+                  Guardado
+                </span>
+              )}
+            </div>
+          </form>
+        </div>
+      </div>
+    </section>
+  );
+};
+
+export default SettingsPage;