#buy_now_overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

#buy_now_modal {
  width: min(90vw, 640px);
  background: linear-gradient(to bottom, #ffd9ee, #ffc3dc);
  border: 2px solid #f47ca7;
  border-radius: 20px;
  padding: 24px;
  box-sizing: border-box;
  color: #4d1b2f;
  position: relative;
}

#buy_now_modal h2 {
  margin-top: 0;
}

.buy-step {
  display: none;
}

.buy-step.active {
  display: block;
}

.buy-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.buy-form input,
.buy-form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #d77aa4;
  border-radius: 10px;
  font-size: 16px;
}

.buy-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}

.buy-actions button {
  flex: 1;
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
}

#buy_next_1,
#buy_next_2,
#buy_confirm {
  background: #ff5d9e;
  color: white;
}

#buy_back_2,
#buy_back_3,
#buy_close {
  background: #f7d5e8;
  color: #4d1b2f;
}

#buy_summary {
  background: rgba(255,255,255,0.25);
  padding: 12px;
  border-radius: 12px;
  line-height: 1.6;
}

#buy_summary p {
  margin: 6px 0;
}