#popup-actividad {
    position: fixed; top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.5); display:flex; align-items:center; justify-content:center;
    z-index: 9999;
}
.popup-inner {
    background: white; padding: 20px; border-radius: 8px; max-width: 700px; width: 90%;
    position: relative;
}
#cerrar-popup {
    position: absolute; top: 10px; right: 10px;
}
.actividades-tramite ul { list-style: none; padding: 0; }
.actividades-tramite li { padding: 10px; border: 1px solid #eee; margin-bottom: 5px; background: #f9f9f9; }
.estado-realizada { background: #e0ffe0; text-decoration: line-through; }
.titulo-actividad { cursor: pointer; color: #0073aa; font-weight: bold; }