.ad-unit {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--stone);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 16px 0;
}

.ad-label {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 0.65rem;
  padding: 2px 8px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-radius: var(--radius-xs);
  z-index: 2;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}

.ad-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

.ad-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  cursor: pointer;
}

.sponsored-section {
  border-top: 3px solid var(--gold);
  padding: 20px 0;
  margin: 24px 0;
}

.sponsored-listing {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--stone);
  position: relative;
  margin-bottom: 10px;
}

.sponsored-badge {
  font-size: 0.72rem;
  padding: 2px 10px;
  background: var(--gold-100);
  color: var(--gold-800);
  border-radius: var(--radius-full);
  font-weight: 700;
  white-space: nowrap;
}

.promotional-offer {
  background: linear-gradient(135deg, var(--gold-50), var(--gold-100));
  border: 1px solid var(--gold-200);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.offer-badge {
  background: var(--gold);
  color: var(--text-inverse);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-align: center;
}

.offer-expiry {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

@media (max-width: 640px) {
  .sponsored-listing { flex-direction: column; align-items: flex-start; }
  .promotional-offer { flex-direction: column; text-align: center; }
}