/* panel full-height pentru pagina de register */
  .auth-right { align-items: stretch; }
  .auth-panel { height: calc(100vh - 52px); display: flex; flex-direction: column; justify-content: center; }
  @media (max-width: 900px){
    .auth-panel { height: auto; }
  }

  /* mesaj eroare sus, centrat pe pagină (mai transparent) */
  .flash-top{
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;

    width: min(92vw, 760px);
    text-align: center;

    background: rgba(209, 26, 26, 0.72); /* transparent */
    color: #fff;
    padding: 14px 18px;
    border-radius: 14px;

    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);

    transition: opacity 300ms ease, transform 300ms ease;
  }
  .flash-top.is-hide{
    opacity: 0;
    transform: translateX(-50%) translateY(-6px);
    pointer-events: none;
  }