.app-footer{
  margin-top: 30px;
  padding: 8px 16px;
  font-size: 12px;
  color: #4b5563;
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  text-align: center;
}

.app-footer small{
  color:#6b7280;
}

@media print {
  .app-footer{
    display:none; /* para que no salga en el PDF/impresión */
  }
}

/* Overlay de envío / éxito */
.submit-overlay{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.45);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:9999;
}
.submit-overlay.active{display:flex;}
.submit-box{
  background:#ffffff;
  padding:16px 22px;
  border-radius:10px;
  box-shadow:0 10px 25px rgba(15,23,42,.25);
  text-align:center;
  max-width:260px;
}
.submit-box p{
  margin:0 0 8px;
  font-size:14px;
}
.loader{
  width:34px;
  height:34px;
  border-radius:999px;
  border:4px solid #e5e7eb;
  border-top-color:#0b63e5;
  animation:spin .8s linear infinite;
  margin:0 auto 10px;
}
@keyframes spin { to{ transform:rotate(360deg); } }