.error-toast {
    position: fixed;
    top: 150px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background-color: #ffebee;
    color: #a40000;
    padding: 16px 20px;
    border: 1px solid #ff4d4d;
    border-radius: 8px;
    max-width: 400px;
    font-family: 'Lexend', sans-serif;
    font-size: 14px;
    box-shadow: 0px 6px 18px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
  }

  .error-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }


  .error-toast a {
    color: #a40000;
    font-weight: 600;
    text-decoration: underline;
  }

  .close-btn {
    position: absolute;
    top: 6px;
    right: 10px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: bold;
    color: #a40000;
    cursor: pointer;
  }

  .close-btn:hover {
    color: #ff0000;
  }

  .signup-submit {
    max-width: 300px;
    width: 100%;
    display: block;
    margin: 0px auto 0 auto;
  }