/* Popup cơ bản */
.buynow-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.45);
  align-items: center;
  justify-content: center;
  padding: 24px;
	overflow-y: scroll;
}
.buynow-modal .buynow-modal-content {
  background: #fff;
  max-width: 520px;
  width: 100%;
  margin: auto;
  padding: 18px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}
.buynow-close {
  float: right;
  border: 0;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
	margin: 0;
}
.buynow-product {
  display: flex;
  gap: 12px;
  align-items: center;	
}
.buynow-product #buynow-price {
	display: none;
}
.buynow-product-image img {
  border-radius: 6px;
}
.buynow-product-info h3 {
  margin: 0 0 6px 0;
  font-size: 18px;
}
.buynow-product-info #buynow-price {
  font-weight: 700;
  margin-bottom: 4px;
}

.buynow-form {
	margin-bottom: 0;
}

.buynow-form label {
  display: block;
  margin: 8px 0;
  font-size: 14px;
}
.buynow-form input {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
  margin-top: 4px;
}
.buynow-submit {
  margin-top: 10px;
  padding: 10px 14px;
  cursor: pointer;
  border: 0;
  background: #207dd1;
  color: #fff;
  border-radius: 6px;
}
.buynow-msg {
  margin-top: 10px;
  padding: 8px;
  border-radius: 4px;
  display: none;
}
.buynow-msg.success {
  background: #e6ffed;
  color: #0b6b2f;
  display: block;
}
.buynow-msg.error {
  background: #ffecec;
  color: #a12a2a;
  display: block;
}
/* trạng thái disabled cho nút */
.buynow-submit.disabled,
.buynow-submit[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* nếu muốn thêm hiệu ứng thay đổi text/pulse khi gửi */
.buynow-submit.disabled::after{
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.6);
  border-top-color: rgba(255,255,255,0.0);
  animation: buynow-spin 0.8s linear infinite;
}
@keyframes buynow-spin { to { transform: rotate(360deg); } }