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<!DOCTYPE html>
<html lang="es">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Inventario Electr贸nico | Gestor de Productos</title>
  <script src="https://cdn.tailwindcss.com"></script>
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
  <script>
    tailwind.config = {
      theme: {
        extend: {
          colors: {
            primary: {
              50: '#f0f4ff',
              100: '#e0e8ff',
              200: '#c7d2fe',
              300: '#a5b4fc',
              400: '#818cf8',
              500: '#6366f1',
              600: '#4f46e5',
              700: '#4338ca',
              800: '#3730a3',
              900: '#312e81',
            },
          },
          fontFamily: {
            sans: ['Inter', 'sans-serif'],
          },
          animation: {
            'fade-in': 'fadeIn 0.3s ease-in-out',
          },
          keyframes: {
            fadeIn: {
              '0%': { opacity: '0', transform: 'translateY(10px)' },
              '100%': { opacity: '1', transform: 'translateY(0)' },
            }
          }
        }
      }
    }
  </script>
  <style>
    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-10px); }
      100% { transform: translateY(0px); }
    }
    
    .gradient-text {
      background: linear-gradient(90deg, #6366f1, #8b5cf6);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    
    .electron-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      opacity: 0.1;
      background-image: radial-gradient(#4338ca 1px, transparent 1px);
      background-size: 20px 20px;
    }
  </style>
</head>
<body class="bg-gray-50 min-h-screen flex flex-col font-sans">
  <div class="electron-bg"></div>
  
  <!-- Header -->
  <header class="bg-gradient-to-r from-primary-700 to-primary-800 shadow-lg">
    <div class="container mx-auto px-6 py-4">
      <div class="flex items-center justify-between">
        <div class="flex items-center space-x-2">
          <div class="text-white p-2 bg-primary-600 rounded-lg shadow">
            <i class="fas fa-microchip text-xl"></i>
          </div>
          <h1 class="text-2xl font-bold text-white">Inventario<span class="font-light">Electr贸nico</span></h1>
        </div>
        
        <div class="flex items-center space-x-4">
          <div class="relative">
            <label class="sr-only" for="languageSelect">Idioma</label>
            <div class="relative">
              <select id="languageSelect" class="appearance-none bg-white bg-opacity-20 border border-white border-opacity-20 text-white pl-4 pr-8 py-2 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-200 cursor-pointer">
                <option value="es" class="text-gray-900">馃嚜馃嚫 Espa帽ol</option>
                <option value="en" class="text-gray-900">馃嚞馃嚙 English</option>
              </select>
              <div class="pointer-events-none absolute inset-y-0 right-0 flex items-center px-2 text-white">
                <i class="fas fa-chevron-down text-sm"></i>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </header>

  <main class="flex-grow flex items-center justify-center py-12 px-4 sm:px-6 lg:px-8">
    <!-- Login Card -->
    <div id="loginCard" class="w-full max-w-md bg-white rounded-xl shadow-2xl overflow-hidden transition-all duration-300 transform animate-fade-in">
      <div class="p-8">
        <div class="flex justify-center mb-6">
          <div class="p-3 bg-primary-100 rounded-full animate-float">
            <i class="fas fa-lock text-primary-600 text-3xl"></i>
          </div>
        </div>
        
        <h2 class="text-center text-2xl font-bold text-gray-800 mb-6">
          <span class="gradient-text">Acceso al Sistema</span>
        </h2>
        
        <form id="loginForm" class="space-y-6">
          <div>
            <label for="username" class="block text-sm font-medium text-gray-700 mb-1">Usuario</label>
            <div class="relative">
              <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                <i class="fas fa-user text-gray-400"></i>
              </div>
              <input id="username" name="username" type="text" required 
                     class="w-full pl-10 pr-4 py-2 rounded-lg border border-gray-300 focus:border-primary-500 focus:ring-2 focus:ring-primary-200 outline-none transition duration-300"
                     placeholder="Ingrese su usuario">
            </div>
          </div>
          
          <div>
            <label for="password" class="block text-sm font-medium text-gray-700 mb-1">Contrase帽a</label>
            <div class="relative">
              <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                <i class="fas fa-key text-gray-400"></i>
              </div>
              <input id="password" name="password" type="password" required 
                     class="w-full pl-10 pr-4 py-2 rounded-lg border border-gray-300 focus:border-primary-500 focus:ring-2 focus:ring-primary-200 outline-none transition duration-300"
                     placeholder="Ingrese su contrase帽a">
            </div>
          </div>
          
          <div>
            <button type="submit" 
                    class="w-full flex justify-center items-center py-3 px-4 border border-transparent rounded-lg shadow-sm text-sm font-medium text-white bg-gradient-to-r from-primary-600 to-primary-700 hover:from-primary-700 hover:to-primary-800 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500 transition duration-300 transform hover:scale-[1.02]">
              <i class="fas fa-sign-in-alt mr-2"></i> Iniciar Sesi贸n
            </button>
          </div>
        </form>
      </div>
      
      <div class="bg-gray-50 px-8 py-4 border-t border-gray-200">
        <p class="text-xs text-gray-500 text-center">
          驴Necesitas ayuda? <a href="#" class="font-medium text-primary-600 hover:text-primary-700">Cont谩ctanos</a>
        </p>
      </div>
    </div>
    
    <!-- Product Form Card (initially hidden) -->
    <div id="formSection" class="w-full max-w-md bg-white rounded-xl shadow-2xl overflow-hidden transition-all duration-300 transform animate-fade-in hidden">
      <div class="p-8">
        <div class="flex justify-center mb-6">
          <div class="p-3 bg-primary-100 rounded-full animate-float">
            <i class="fas fa-boxes text-primary-600 text-3xl"></i>
          </div>
        </div>
        
        <h2 class="text-center text-2xl font-bold text-gray-800 mb-6">
          <span class="gradient-text">Registrar Producto</span>
        </h2>
        
        <form id="productoForm" class="space-y-4">
          <div>
            <label for="nombre" class="block text-sm font-medium text-gray-700 mb-1">Nombre del producto</label>
            <div class="relative">
              <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                <i class="fas fa-tag text-gray-400"></i>
              </div>
              <input id="nombre" name="nombre" type="text" required
                     class="w-full pl-10 pr-4 py-2 rounded-lg border border-gray-300 focus:border-primary-500 focus:ring-2 focus:ring-primary-200 outline-none transition duration-300"
                     placeholder="Ej: Resistor 1k惟">
            </div>
          </div>
          
          <div>
            <label for="descripcion" class="block text-sm font-medium text-gray-700 mb-1">Descripci贸n</label>
            <div class="relative">
              <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                <i class="fas fa-align-left text-gray-400"></i>
              </div>
              <input id="descripcion" name="descripcion" type="text" required
                     class="w-full pl-10 pr-4 py-2 rounded-lg border border-gray-300 focus:border-primary-500 focus:ring-2 focus:ring-primary-200 outline-none transition duration-300"
                     placeholder="Especificaciones t茅cnicas">
            </div>
          </div>
          
          <div class="grid grid-cols-2 gap-4">
            <div>
              <label for="precio" class="block text-sm font-medium text-gray-700 mb-1">Precio unitario</label>
              <div class="relative">
                <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                  <i class="fas fa-dollar-sign text-gray-400"></i>
                </div>
                <input id="precio" name="precio" type="number" step="0.01" min="0" required
                       class="w-full pl-10 pr-4 py-2 rounded-lg border border-gray-300 focus:border-primary-500 focus:ring-2 focus:ring-primary-200 outline-none transition duration-300"
                       placeholder="0.00">
              </div>
            </div>
            
            <div>
              <label for="stock" class="block text-sm font-medium text-gray-700 mb-1">Cantidad en stock</label>
              <div class="relative">
                <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                  <i class="fas fa-cubes text-gray-400"></i>
                </div>
                <input id="stock" name="stock" type="number" min="0" required
                       class="w-full pl-10 pr-4 py-2 rounded-lg border border-gray-300 focus:border-primary-500 focus:ring-2 focus:ring-primary-200 outline-none transition duration-300"
                       placeholder="0">
              </div>
            </div>
          </div>
          
          <div class="pt-2">
            <button type="submit"
                    class="w-full flex justify-center items-center py-3 px-4 border border-transparent rounded-lg shadow-sm text-sm font-medium text-white bg-gradient-to-r from-primary-600 to-primary-700 hover:from-primary-700 hover:to-primary-800 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500 transition duration-300 transform hover:scale-[1.02]">
              <i class="fas fa-save mr-2"></i> Guardar Producto
            </button>
          </div>
        </form>
        
        <div id="statusMessage" class="mt-4 hidden">
          <div id="statusContent" class="p-3 rounded-lg text-sm"></div>
        </div>
      </div>
      
      <div class="bg-gray-50 px-8 py-4 border-t border-gray-200">
        <p class="text-xs text-gray-500 text-center">
          <a href="#" id="backToLogin" class="font-medium text-primary-600 hover:text-primary-700 flex items-center justify-center">
            <i class="fas fa-arrow-left mr-1"></i> Volver al inicio de sesi贸n
          </a>
        </p>
      </div>
    </div>
  </main>
  
  <footer class="bg-gray-800 text-white py-6">
    <div class="container mx-auto px-6">
      <div class="flex flex-col md:flex-row justify-between items-center">
        <div class="text-center md:text-left mb-4 md:mb-0">
          <p class="text-sm">漏 2025 <span class="font-medium">Inventario Electr贸nico</span>. Todos los derechos reservados.</p>
        </div>
        
        <div class="flex space-x-6">
          <a href="#" class="text-gray-400 hover:text-primary-400 transition duration-300">
            <i class="fab fa-github"></i>
          </a>
          <a href="#" class="text-gray-400 hover:text-primary-400 transition duration-300">
            <i class="fab fa-linkedin"></i>
          </a>
          <a href="#" class="text-gray-400 hover:text-primary-400 transition duration-300">
            <i class="fab fa-twitter"></i>
          </a>
          <a href="#" class="text-gray-400 hover:text-primary-400 transition duration-300">
            <i class="fas fa-envelope"></i>
          </a>
        </div>
      </div>
    </div>
  </footer>

  <script>
    let authHeader = "";
    
    // Floating animation for icons
    document.querySelectorAll('.animate-float').forEach(el => {
      el.style.animation = 'float 3s ease-in-out infinite';
    });

    function encodeBasicAuth(username, password) {
      return btoa(username + ":" + password);
    }

    // Login
    document.getElementById('loginForm').addEventListener('submit', function(e) {
      e.preventDefault();
      const user = document.getElementById('username').value;
      const pass = document.getElementById('password').value;

      // Basic animation to hide login and show product form
      const loginCard = document.getElementById('loginCard');
      const formSection = document.getElementById('formSection');
      
      loginCard.classList.add('-translate-y-2', 'opacity-0');
      setTimeout(() => {
        loginCard.classList.add('hidden');
        loginCard.classList.remove('-translate-y-2', 'opacity-0');
        formSection.classList.remove('hidden');
        formSection.classList.add('animate-fade-in');
        
        authHeader = "Basic " + encodeBasicAuth(user, pass);
      }, 300);
    });

    // Back to login button
    document.getElementById('backToLogin').addEventListener('click', function(e) {
      e.preventDefault();
      
      const loginCard = document.getElementById('loginCard');
      const formSection = document.getElementById('formSection');
      
      formSection.classList.add('hidden');
      loginCard.classList.remove('hidden');
      loginCard.classList.add('animate-fade-in');
    });

    // Product form submission with i18n
    document.getElementById('productoForm').addEventListener('submit', async function(e) {
      e.preventDefault();

      const lang = document.getElementById('languageSelect').value;
      const statusMessage = document.getElementById('statusMessage');
      const statusContent = document.getElementById('statusContent');

      const producto = {
        nombre: document.getElementById('nombre').value,
        descripcion: document.getElementById('descripcion').value,
        precio: parseFloat(document.getElementById('precio').value),
        stock: parseInt(document.getElementById('stock').value)
      };

      // Show loading state
      const submitBtn = e.target.querySelector('button[type="submit"]');
      const originalBtnText = submitBtn.innerHTML;
      submitBtn.innerHTML = '<i class="fas fa-circle-notch fa-spin mr-2"></i> Procesando...';
      submitBtn.disabled = true;

      try {
        const res = await fetch('http://localhost:8080/api/productos', {
          method: 'POST',
          headers: {
            'Content-Type': 'application/json',
            'Authorization': authHeader,
            'Accept-Language': lang
          },
          body: JSON.stringify(producto)
        });

        const data = await res.json();
        
        // Show status message with appropriate styling
        statusMessage.classList.remove('hidden');
        statusContent.textContent = data.message || (res.ok ? 'Operaci贸n completada exitosamente!' : 'Hubo un error');
        
        if (res.ok) {
          statusContent.className = 'p-3 rounded-lg text-sm bg-green-100 text-green-800';
          document.getElementById('productoForm').reset();
        } else {
          statusContent.className = 'p-3 rounded-lg text-sm bg-red-100 text-red-800';
        }
        
        // Hide status message after 5 seconds
        setTimeout(() => {
          statusMessage.classList.add('hidden');
        }, 5000);
        
      } catch (err) {
        statusMessage.classList.remove('hidden');
        statusContent.className = 'p-3 rounded-lg text-sm bg-red-100 text-red-800';
        statusContent.textContent = 'Error de conexi贸n con el servidor';
        
        setTimeout(() => {
          statusMessage.classList.add('hidden');
        }, 5000);
      } finally {
        submitBtn.innerHTML = originalBtnText;
        submitBtn.disabled = false;
      }
    });
  </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 馃К <a href="https://enzostvs-deepsite.hf.space?remix=fakesisalg/test23" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>