diff --git a/trazabilidad.html b/trazabilidad.html
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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>Trazabilidad - IntegraRepara</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <script src="https://unpkg.com/lucide@latest"></script>
+    <style>
+        .fade-in { animation: fadeIn 0.3s ease-in-out; }
+        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
+        .no-scrollbar::-webkit-scrollbar { display: none; }
+        .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
+    </style>
+</head>
+<body class="bg-slate-50 text-slate-800 font-sans h-screen flex flex-col overflow-hidden">
+
+    <header class="bg-white border-b border-slate-200 px-6 py-4 flex items-center justify-between shadow-sm z-10 shrink-0">
+        <div class="flex items-center gap-4">
+            <button onclick="window.history.back()" class="p-2 bg-slate-100 text-slate-500 hover:bg-blue-100 hover:text-blue-600 rounded-xl transition-colors">
+                <i data-lucide="arrow-left" class="w-5 h-5"></i>
+            </button>
+            <div>
+                <p class="text-[10px] font-black text-slate-400 uppercase tracking-widest">Trazabilidad del Expediente</p>
+                <h1 class="text-xl font-black text-slate-800 leading-none mt-1">#<span id="svcRef" class="text-blue-600">...</span></h1>
+            </div>
+        </div>
+        <div class="bg-blue-50 text-blue-600 px-3 py-1.5 rounded-lg border border-blue-100 flex items-center gap-2">
+            <i data-lucide="activity" class="w-4 h-4"></i>
+            <span class="text-xs font-bold" id="logCount">0 Registros</span>
+        </div>
+    </header>
+
+    <main class="flex-1 overflow-y-auto no-scrollbar p-6 md:p-10 relative">
+        <div class="max-w-2xl mx-auto">
+            
+            <div class="bg-white p-5 rounded-[1.5rem] shadow-sm border border-slate-200 mb-8 fade-in flex gap-4">
+                <div class="w-10 h-10 bg-slate-100 rounded-full flex items-center justify-center text-slate-400 shrink-0">
+                    <i data-lucide="message-square-plus" class="w-5 h-5"></i>
+                </div>
+                <div class="flex-1">
+                    <input type="text" id="manualNoteInput" placeholder="Escribe un apunte o comentario para el registro..." class="w-full bg-slate-50 border border-slate-200 px-4 py-3 rounded-xl text-sm font-medium outline-none focus:bg-white focus:border-blue-500 focus:ring-2 focus:ring-blue-100 transition-all">
+                    <div class="flex justify-end mt-3">
+                        <button onclick="addManualNote()" class="bg-slate-800 hover:bg-slate-700 text-white text-xs font-black uppercase tracking-widest px-5 py-2.5 rounded-lg shadow transition-colors flex items-center gap-2 active:scale-95">
+                            Guardar Apunte <i data-lucide="send" class="w-3 h-3"></i>
+                        </button>
+                    </div>
+                </div>
+            </div>
+
+            <div class="relative border-l-2 border-slate-200 ml-5 md:ml-8 space-y-8 pb-10" id="timelineContainer">
+                <div class="text-center text-slate-400 py-10 flex flex-col items-center">
+                    <i data-lucide="loader-2" class="w-8 h-8 animate-spin mb-3"></i>
+                    <p class="text-xs font-bold uppercase tracking-widest">Cargando historial...</p>
+                </div>
+            </div>
+
+        </div>
+    </main>
+
+    <script>
+        const API_URL = window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1' 
+            ? 'http://localhost:3000' 
+            : 'https://integrarepara-api.integrarepara.es';
+
+        let serviceId = null;
+
+        document.addEventListener("DOMContentLoaded", () => {
+            lucide.createIcons();
+            const urlParams = new URLSearchParams(window.location.search);
+            serviceId = urlParams.get('id');
+            
+            if (!serviceId) {
+                document.getElementById('timelineContainer').innerHTML = "<p class="text-red-500">Error: No se ha indicado el expediente.</p>";
+                return;
+            }
+
+            // Aquí podríamos cargar la referencia real del servicio, por ahora ponemos el ID
+            document.getElementById('svcRef').innerText = "SVC-" + serviceId;
+            loadLogs();
+        });
+
+        async function loadLogs() {
+            try {
+                const res = await fetch(`${API_URL}/services/${serviceId}/logs`, {
+                    headers: { "Authorization": `Bearer ${localStorage.getItem("token")}` }
+                });
+                const data = await res.json();
+                
+                const container = document.getElementById('timelineContainer');
+                
+                if (!data.ok) throw new Error("Error cargando logs");
+                
+                document.getElementById('logCount').innerText = `${data.logs.length} Registros`;
+
+                if (data.logs.length === 0) {
+                    container.innerHTML = `
+                        <div class="absolute -left-1.5 top-0 w-3 h-3 bg-slate-200 rounded-full"></div>
+                        <div class="pl-8 pt-1">
+                            <p class="text-sm font-bold text-slate-400 italic">No hay actividad registrada aún para este expediente.</p>
+                        </div>
+                    `;
+                    return;
+                }
+
+                container.innerHTML = "";
+                
+                data.logs.forEach((log, index) => {
+                    const dateObj = new Date(log.created_at);
+                    const fecha = dateObj.toLocaleDateString('es-ES', { day: '2-digit', month: 'short', year: 'numeric' });
+                    const hora = dateObj.toLocaleTimeString('es-ES', { hour: '2-digit', minute: '2-digit' });
+
+                    // Asignación inteligente de iconos y colores según la palabra clave
+                    let icon = "activity";
+                    let colorClass = "bg-slate-100 text-slate-500 border-slate-200";
+                    let dotClass = "bg-slate-300 ring-slate-100";
+                    
+                    const actionLower = log.action.toLowerCase();
+                    
+                    if (actionLower.includes('estado')) { icon = "arrow-right-left"; colorClass = "bg-blue-50 text-blue-700 border-blue-200"; dotClass = "bg-blue-500 ring-blue-100"; }
+                    else if (actionLower.includes('llamada') || actionLower.includes('teléfono')) { icon = "phone-call"; colorClass = "bg-emerald-50 text-emerald-700 border-emerald-200"; dotClass = "bg-emerald-500 ring-emerald-100"; }
+                    else if (actionLower.includes('whatsapp') || actionLower.includes('sms')) { icon = "message-circle"; colorClass = "bg-emerald-50 text-emerald-700 border-emerald-200"; dotClass = "bg-emerald-500 ring-emerald-100"; }
+                    else if (actionLower.includes('camino') || actionLower.includes('ruta')) { icon = "car"; colorClass = "bg-purple-50 text-purple-700 border-purple-200"; dotClass = "bg-purple-500 ring-purple-100"; }
+                    else if (actionLower.includes('nota') || actionLower.includes('apunte')) { icon = "sticky-note"; colorClass = "bg-amber-50 text-amber-700 border-amber-200"; dotClass = "bg-amber-500 ring-amber-100"; }
+                    else if (actionLower.includes('asign')) { icon = "user-check"; colorClass = "bg-indigo-50 text-indigo-700 border-indigo-200"; dotClass = "bg-indigo-500 ring-indigo-100"; }
+
+                    // El punto animado si es el más reciente
+                    const pingAnimation = index === 0 ? `<div class="absolute inset-0 rounded-full ${dotClass.split(' ')[0]} animate-ping opacity-70"></div>` : '';
+
+                    container.innerHTML += `
+                        <div class="relative pl-8 sm:pl-10 fade-in" style="animation-delay: ${index * 0.05}s">
+                            <div class="absolute -left-[9px] top-1.5 w-4 h-4 rounded-full border-2 border-white ring-4 ${dotClass} z-10 flex items-center justify-center">
+                                ${pingAnimation}
+                            </div>
+                            
+                            <div class="bg-white border border-slate-200 p-4 rounded-2xl shadow-sm hover:shadow-md transition-shadow">
+                                <div class="flex justify-between items-start mb-2">
+                                    <span class="inline-flex items-center gap-1.5 px-2.5 py-1 rounded-lg text-[10px] font-black uppercase tracking-widest border ${colorClass}">
+                                        <i data-lucide="${icon}" class="w-3 h-3"></i> ${log.action}
+                                    </span>
+                                    <div class="text-right">
+                                        <p class="text-xs font-black text-slate-800">${hora}</p>
+                                        <p class="text-[9px] font-bold text-slate-400 uppercase tracking-widest">${fecha}</p>
+                                    </div>
+                                </div>
+                                <p class="text-sm text-slate-700 font-medium leading-relaxed">${log.details}</p>
+                                <div class="mt-3 pt-3 border-t border-slate-100 flex items-center gap-2">
+                                    <div class="w-5 h-5 rounded-full bg-slate-200 text-slate-500 flex items-center justify-center text-[9px] font-black shrink-0">
+                                        ${log.user_name.charAt(0).toUpperCase()}
+                                    </div>
+                                    <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest">Realizado por: <span class="text-slate-600">${log.user_name}</span></p>
+                                </div>
+                            </div>
+                        </div>
+                    `;
+                });
+                lucide.createIcons();
+
+            } catch (error) {
+                console.error(error);
+                document.getElementById('timelineContainer').innerHTML = "<p class='text-red-500 pl-8 pt-2 font-bold'>No se pudo conectar con el servidor.</p>";
+            }
+        }
+
+        async function addManualNote() {
+            const input = document.getElementById('manualNoteInput');
+            const text = input.value.trim();
+            if (!text) return;
+
+            const btn = event.currentTarget;
+            const originalHtml = btn.innerHTML;
+            btn.innerHTML = '<i data-lucide="loader-2" class="w-4 h-4 animate-spin"></i>';
+            btn.disabled = true;
+
+            try {
+                await fetch(`${API_URL}/services/${serviceId}/log`, {
+                    method: 'POST',
+                    headers: { "Content-Type": "application/json", "Authorization": `Bearer ${localStorage.getItem("token")}` },
+                    body: JSON.stringify({
+                        action: "Nota Manual",
+                        details: text
+                    })
+                });
+                
+                input.value = "";
+                loadLogs(); // Recargamos para ver la nota en la línea de tiempo
+            } catch (e) {
+                alert("Error al guardar la nota.");
+            } finally {
+                btn.innerHTML = originalHtml;
+                btn.disabled = false;
+                lucide.createIcons();
+            }
+        }
+    </script>
+</body>
+</html>
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