diff --git a/views/tramites.html b/views/tramites.html
index 51eebbe..f562ce1 100644
--- a/views/tramites.html
+++ b/views/tramites.html
@@ -530,10 +530,12 @@ function buildDetail(dept,r){
         ${hrs?`<ul class="hours-list">${hrs}</ul>`:'<p style="color:var(--gray);font-size:11px">Sin horas registradas.</p>'}
         <div class="total-hrs">Total: ${totalH} h</div>
         <div class="add-hours" onclick="event.stopPropagation()">
-          <select id="hr-abog-${r.id}">${ABOGADOS.map(a=>`<option>${a}</option>`).join('')}</select>
-          <input type="number" id="hr-val-${r.id}" min="0.1" step="0.1" placeholder="Horas" style="width:70px">
-          <input type="text" id="hr-desc-${r.id}" placeholder="Descripción" style="flex:1">
-          <button class="btn btn-primary btn-sm" onclick="addHours('${dept}','${r.id}')">+</button>
+          ${(r.involucrados&&r.involucrados.length)
+            ? `<select id="hr-abog-${r.id}">${r.involucrados.map(u=>`<option>${esc(u.name||u.email)}</option>`).join('')}</select>`
+            : `<select id="hr-abog-${r.id}" disabled title="Agrega un involucrado al trámite primero"><option>— Sin involucrados —</option></select>`}
+          <input type="number" id="hr-val-${r.id}" min="0.1" step="0.1" placeholder="Horas" style="width:70px" ${(r.involucrados&&r.involucrados.length)?'':'disabled'}>
+          <input type="text" id="hr-desc-${r.id}" placeholder="Descripción" style="flex:1" ${(r.involucrados&&r.involucrados.length)?'':'disabled'}>
+          <button class="btn btn-primary btn-sm" onclick="addHours('${dept}','${r.id}')" ${(r.involucrados&&r.involucrados.length)?'':'disabled'} title="${(r.involucrados&&r.involucrados.length)?'Registrar horas':'Agrega un involucrado al trámite primero'}">+</button>
         </div>
       </div>
     </div>