.ksef-banner {
  background: #1a1a1a;
  border-top: 2px solid #DC0000;
  border-bottom: 2px solid #DC0000;
  text-align: center;
  padding: 12px 20px;
  font-size: 0.95rem;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 500;
}

.toolbar-fixed .ksef-banner {
  top: 79px;
}

.ksef-banner span {
  font-weight: 700;
}

.ksef-banner a {
  display: inline-block;
  background: #DC0000;
  color: #fff;
  padding: 6px 18px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  margin-left: 12px;
  transition: background 0.2s;
}

.ksef-banner a:hover {
  background: #FF3333;
}

@media (max-width: 600px) {
  .ksef-banner {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .ksef-banner span {
    display: block;
    margin-bottom: 8px;
  }

  .ksef-banner a {
    margin-left: 0;
  }
}