.ad-banner {
  margin: 2rem 0;
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 8px;
}

.ad-label {
  display: block;
  font-size: 0.75rem;
  color: #666;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.ad-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

.ad-placeholder i {
  font-size: 1.5rem;
}

.sidebar-ad .ad-placeholder {
  min-height: 250px;
}

.content-ad .ad-placeholder {
  min-height: 90px;
}

.mobile-ad {
  display: none;
}