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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>IntegraRepara - Gestión Inteligente</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <script src="https://unpkg.com/lucide@latest"></script>
+    <style>
+        /* Animaciones suaves */
+        .fade-in { animation: fadeIn 0.5s ease-in-out; }
+        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
+        .hidden { display: none; }
+    </style>
+</head>
+<body class="bg-gray-50 font-sans text-gray-800">
+
+    <nav class="bg-white border-b border-gray-200 px-6 py-4 flex justify-between items-center shadow-sm">
+        <div class="flex items-center gap-2">
+            <div class="bg-blue-600 text-white p-2 rounded-lg font-bold">IR</div>
+            <span class="text-xl font-bold tracking-tight text-gray-900">IntegraRepara</span>
+        </div>
+        <div>
+            <button onclick="showLogin()" class="text-gray-600 hover:text-blue-600 font-medium transition-colors">Iniciar Sesión</button>
+        </div>
+    </nav>
+
+    <div class="min-h-[calc(100vh-80px)] flex items-center justify-center p-4">
+        
+        <div class="max-w-4xl w-full bg-white rounded-2xl shadow-xl overflow-hidden flex flex-col md:flex-row fade-in">
+            
+            <div class="md:w-1/2 bg-slate-900 text-white p-8 flex flex-col justify-center relative overflow-hidden">
+                <div class="absolute top-0 left-0 w-full h-full bg-gradient-to-br from-blue-600 to-slate-900 opacity-50"></div>
+                <div class="relative z-10">
+                    <h2 class="text-3xl font-bold mb-4">Gestiona tu negocio de reparaciones</h2>
+                    <p class="text-slate-300 mb-6">Automatiza citas, gestiona clientes y notifica por WhatsApp automáticamente. Todo en un solo lugar.</p>
+                    <div class="flex gap-2 text-sm text-blue-200">
+                        <span class="flex items-center gap-1"><i data-lucide="check-circle" class="w-4 h-4"></i> WhatsApp API</span>
+                        <span class="flex items-center gap-1"><i data-lucide="check-circle" class="w-4 h-4"></i> Facturación</span>
+                    </div>
+                </div>
+            </div>
+
+            <div class="md:w-1/2 p-8 md:p-12 relative">
+
+                <div id="loginForm" class="space-y-6">
+                    <h2 class="text-2xl font-bold text-gray-800">Bienvenido de nuevo</h2>
+                    <p class="text-gray-500 text-sm">Introduce tus datos para acceder al panel.</p>
+                    
+                    <form onsubmit="handleLogin(event)" class="space-y-4">
+                        <div>
+                            <label class="block text-sm font-medium text-gray-700 mb-1">Email</label>
+                            <input type="email" id="loginEmail" required class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-all">
+                        </div>
+                        <div>
+                            <label class="block text-sm font-medium text-gray-700 mb-1">Contraseña</label>
+                            <input type="password" id="loginPass" required class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 outline-none transition-all">
+                        </div>
+                        <button type="submit" id="btnLogin" class="w-full bg-blue-600 hover:bg-blue-700 text-white font-bold py-3 rounded-lg transition-all shadow-lg shadow-blue-500/30">
+                            Entrar
+                        </button>
+                    </form>
+                    
+                    <div class="text-center mt-4">
+                        <p class="text-sm text-gray-600">¿No tienes cuenta? <button onclick="showRegister()" class="text-blue-600 font-bold hover:underline">Regístrate gratis</button></p>
+                    </div>
+                </div>
+
+                <div id="registerForm" class="hidden space-y-5">
+                    <h2 class="text-2xl font-bold text-gray-800">Crear Cuenta</h2>
+                    <p class="text-gray-500 text-sm">Prueba IntegraRepara gratis hoy mismo.</p>
+                    
+                    <form onsubmit="handleRegister(event)" class="space-y-3">
+                        <div class="grid grid-cols-2 gap-3">
+                            <div>
+                                <label class="text-xs font-bold text-gray-600">Nombre Completo</label>
+                                <input type="text" id="regName" required class="w-full px-3 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none">
+                            </div>
+                            <div>
+                                <label class="text-xs font-bold text-gray-600">DNI / CIF</label>
+                                <input type="text" id="regDni" required class="w-full px-3 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none">
+                            </div>
+                        </div>
+                        
+                        <div>
+                            <label class="text-xs font-bold text-gray-600">Teléfono (WhatsApp)</label>
+                            <input type="tel" id="regPhone" placeholder="+34 600..." required class="w-full px-3 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none">
+                            <p class="text-xs text-gray-400 mt-1">Te enviaremos un código de verificación.</p>
+                        </div>
+
+                        <div>
+                            <label class="text-xs font-bold text-gray-600">Email</label>
+                            <input type="email" id="regEmail" required class="w-full px-3 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none">
+                        </div>
+
+                        <div>
+                            <label class="text-xs font-bold text-gray-600">Dirección</label>
+                            <input type="text" id="regAddress" class="w-full px-3 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none">
+                        </div>
+
+                        <div>
+                            <label class="text-xs font-bold text-gray-600">Contraseña</label>
+                            <input type="password" id="regPass" required class="w-full px-3 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500 outline-none">
+                        </div>
+
+                        <button type="submit" id="btnRegister" class="w-full bg-slate-900 hover:bg-slate-800 text-white font-bold py-3 rounded-lg transition-all">
+                            Registrarse y Enviar Código
+                        </button>
+                    </form>
+
+                    <div class="text-center mt-2">
+                        <p class="text-sm text-gray-600">¿Ya tienes cuenta? <button onclick="showLogin()" class="text-blue-600 font-bold hover:underline">Entrar</button></p>
+                    </div>
+                </div>
+
+                <div id="verifyForm" class="hidden space-y-6 text-center fade-in">
+                    <div class="mx-auto w-16 h-16 bg-green-100 rounded-full flex items-center justify-center text-green-600 mb-4">
+                        <i data-lucide="message-square" class="w-8 h-8"></i>
+                    </div>
+                    <h2 class="text-2xl font-bold text-gray-800">Verifica tu WhatsApp</h2>
+                    <p class="text-gray-500 text-sm">Hemos enviado un código de 6 dígitos a tu teléfono.</p>
+                    
+                    <form onsubmit="handleVerify(event)" class="space-y-4 max-w-xs mx-auto">
+                        <input type="text" id="verifyCode" placeholder="123456" maxlength="6" class="w-full text-center text-3xl tracking-widest px-4 py-3 border-2 border-gray-300 rounded-xl focus:border-green-500 focus:ring-green-500 outline-none transition-all font-mono">
+                        
+                        <button type="submit" id="btnVerify" class="w-full bg-green-600 hover:bg-green-700 text-white font-bold py-3 rounded-lg transition-all shadow-lg shadow-green-500/30">
+                            Verificar y Entrar
+                        </button>
+                    </form>
+                    <button onclick="showRegister()" class="text-sm text-gray-400 hover:text-gray-600 mt-4">Volver / Corregir número</button>
+                </div>
+
+            </div>
+        </div>
+    </div>
+
+    <div id="toast" class="fixed bottom-5 right-5 bg-slate-800 text-white px-6 py-3 rounded-lg shadow-2xl transform translate-y-20 opacity-0 transition-all duration-300 z-50 flex items-center gap-3">
+        <span id="toastMsg">Mensaje</span>
+    </div>
+
+    <script>
+        // ==========================================
+        // CONFIGURACIÓN (URL DE TU API)
+        // ==========================================
+        const API_URL = "https://integrarepara-api.integrarepara.es";
+
+        // Inicializar Iconos
+        lucide.createIcons();
+
+        // Verificar si ya está logueado
+        if (localStorage.getItem('token')) {
+            window.location.href = "panel.html";
+        }
+
+        // Variables de estado
+        let tempPhone = "";
+
+        // UI Helpers
+        function showRegister() {
+            document.getElementById('loginForm').classList.add('hidden');
+            document.getElementById('verifyForm').classList.add('hidden');
+            document.getElementById('registerForm').classList.remove('hidden');
+            document.getElementById('registerForm').classList.add('fade-in');
+        }
+
+        function showLogin() {
+            document.getElementById('registerForm').classList.add('hidden');
+            document.getElementById('verifyForm').classList.add('hidden');
+            document.getElementById('loginForm').classList.remove('hidden');
+            document.getElementById('loginForm').classList.add('fade-in');
+        }
+
+        function showVerify() {
+            document.getElementById('registerForm').classList.add('hidden');
+            document.getElementById('verifyForm').classList.remove('hidden');
+        }
+
+        function showToast(msg, isError = false) {
+            const toast = document.getElementById('toast');
+            const toastMsg = document.getElementById('toastMsg');
+            toast.className = `fixed bottom-5 right-5 px-6 py-3 rounded-lg shadow-2xl transform transition-all duration-300 z-50 flex items-center gap-3 ${isError ? 'bg-red-600' : 'bg-slate-800'} text-white`;
+            toastMsg.innerText = msg;
+            toast.classList.remove('translate-y-20', 'opacity-0');
+            setTimeout(() => {
+                toast.classList.add('translate-y-20', 'opacity-0');
+            }, 4000);
+        }
+
+        // ==========================================
+        // LÓGICA DE REGISTRO
+        // ==========================================
+        async function handleRegister(e) {
+            e.preventDefault();
+            const btn = document.getElementById('btnRegister');
+            btn.disabled = true;
+            btn.innerText = "Procesando...";
+
+            const data = {
+                fullName: document.getElementById('regName').value,
+                dni: document.getElementById('regDni').value,
+                phone: document.getElementById('regPhone').value,
+                email: document.getElementById('regEmail').value,
+                address: document.getElementById('regAddress').value,
+                password: document.getElementById('regPass').value
+            };
+
+            try {
+                const res = await fetch(`${API_URL}/auth/register`, {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(data)
+                });
+                const json = await res.json();
+
+                if (res.ok && json.ok) {
+                    tempPhone = json.phone; // Guardar teléfono normalizado
+                    showToast("✅ Código enviado por WhatsApp");
+                    showVerify();
+                } else {
+                    showToast("❌ " + (json.error || "Error desconocido"), true);
+                }
+            } catch (error) {
+                console.error(error);
+                showToast("❌ Error de conexión con el servidor", true);
+            } finally {
+                btn.disabled = false;
+                btn.innerText = "Registrarse y Enviar Código";
+            }
+        }
+
+        // ==========================================
+        // LÓGICA DE VERIFICACIÓN
+        // ==========================================
+        async function handleVerify(e) {
+            e.preventDefault();
+            const btn = document.getElementById('btnVerify');
+            btn.disabled = true;
+            btn.innerText = "Verificando...";
+
+            const code = document.getElementById('verifyCode').value;
+
+            try {
+                const res = await fetch(`${API_URL}/auth/verify`, {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ phone: tempPhone, code: code })
+                });
+                const json = await res.json();
+
+                if (res.ok && json.ok) {
+                    showToast("🎉 ¡Cuenta verificada!");
+                    localStorage.setItem('token', json.token);
+                    // REDIRECCIÓN AL PANEL
+                    setTimeout(() => { window.location.href = "panel.html"; }, 1000);
+                } else {
+                    showToast("❌ " + (json.error || "Código incorrecto"), true);
+                }
+            } catch (error) {
+                showToast("❌ Error verificando código", true);
+            } finally {
+                btn.disabled = false;
+                btn.innerText = "Verificar y Entrar";
+            }
+        }
+
+        // ==========================================
+        // LÓGICA DE LOGIN
+        // ==========================================
+        async function handleLogin(e) {
+            e.preventDefault();
+            const btn = document.getElementById('btnLogin');
+            btn.disabled = true;
+            btn.innerText = "Entrando...";
+
+            const email = document.getElementById('loginEmail').value;
+            const password = document.getElementById('loginPass').value;
+
+            try {
+                const res = await fetch(`${API_URL}/auth/login`, {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ email, password })
+                });
+                const json = await res.json();
+
+                if (res.ok && json.ok) {
+                    showToast("👋 ¡Hola de nuevo!");
+                    localStorage.setItem('token', json.token);
+                    // REDIRECCIÓN AL PANEL
+                    setTimeout(() => { window.location.href = "panel.html"; }, 1000);
+                } else {
+                    showToast("❌ " + (json.error || "Credenciales incorrectas"), true);
+                }
+            } catch (error) {
+                showToast("❌ Error de conexión", true);
+            } finally {
+                btn.disabled = false;
+                btn.innerText = "Entrar";
+            }
+        }
+    </script>
+</body>
+</html>
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