/* ---- Ad slots ---- */
.ad-slot {
  margin: 28px auto;
  min-height: 90px;
  max-width: 728px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.85rem;
}

/* Amazon affiliate recommendation */
.affiliate-box {
  margin: 28px auto;
  max-width: 728px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}
.affiliate-box h3 { margin: 0 0 8px; font-size: 1rem; }
.affiliate-box p { margin: 0 0 12px; color: var(--muted); font-size: 0.9rem; }
.affiliate-box .btn { font-size: 0.9rem; padding: 8px 16px; }

/* Buy Me a Coffee */
.bmac-box {
  margin: 28px auto;
  max-width: 728px;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.bmac-box p { margin: 0; font-size: 0.9rem; }
.bmac-box a { font-weight: 600; white-space: nowrap; }

@media (max-width: 600px) {
  .bmac-box { flex-direction: column; text-align: center; }
}