.tarja-vermelha {
    background-color: red;
    color: white;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    padding: 10px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
  }

.bg-padrao {

    background-color: #134190;
    color: white;

}

.bg-padrao:hover {

    background-color: #f7c900;
    color: rgb(0, 0, 0);

}



  .btn-loading{
    opacity:.85;
    cursor: not-allowed;
    pointer-events:none;
  }
  .btn-spinner{
    display:inline-block;
    width:1rem;
    height:1rem;
    border:.15em solid rgba(255,255,255,.35);
    border-top-color:#fff;
    border-radius:50%;
    animation:spin .7s linear infinite;
    vertical-align:-.15em;
    margin-right:.45rem;
  }
  @keyframes spin{ to{ transform:rotate(360deg); } }

  /* ===== Overlay (opcional) ===== */
  .page-loading{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.35);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:9999;
  }
  .page-loading.show{ display:flex; }
  .page-loading .box{
    background:#fff;
    padding:16px 18px;
    border-radius:14px;
    box-shadow:0 8px 24px rgba(0,0,0,.18);
    font-weight:600;
  }