/* Basic popup styles */
.popup-checkout-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 20px;
  box-sizing: border-box;
}
.popup-checkout-content {
  background: #fff;
  border-radius: 8px;
  padding: 18px;
  width: 100%;
  max-width: 900px;
  max-height: 92vh;
  overflow: auto;
  position: relative;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.popup-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  line-height: 34px;
  text-align: center;
  font-size: 20px;
  cursor: pointer;
  z-index: 2;
}
.popup-loading {
  text-align: center;
  padding: 40px 0;
  font-weight: 600;
  color: #444;
}
.popup-error {
  padding: 20px;
  color: #b00020;
  background: #fff0f0;
  border-radius: 6px;
  text-align: center;
}
body.popup-checkout-open {
  overflow: hidden;
}
/* Basic Buy Now button */
.popup-buy-now {
  display: inline-block;
  padding: 10px 14px;
  background: #ff6600;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}
.popup-buy-now:hover { opacity: 0.95; }