input.error,
select.error {
    border: 1px solid red;
}

.error-msg {
    color: red;
    font-size: 13px;
    margin-top: 3px;
    display: none;
}

.error-msg.active {
    display: block;
}
/*
@media (min-width: 768px) {
	.container {
		max-width: 800px;
		margin: auto;
		background: #fff;
		padding: 20px;
		border-radius: 12px;
		box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
	}
}
*/
.hidden {
    display: none;
}

h2 {
    margin-bottom: 10px;
}

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

input,
select,
button {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

button {
    background: #007bff;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.summary {
    padding: 15px;
    background: #f1f1f1;
    border-radius: 8px;
    margin-top: 15px;
}

.progressbar {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin: 20px auto 40px;
    max-width: 800px;
    counter-reset: step;
}

.progressbar::before {
    content: "";
    position: absolute;
    top: 15px;
    left: 0;
    width: 100%;
    height: 4px;
    background: #dcdcdc;
    z-index: -1;
}

.progress-step {
    text-align: center;
    width: 33%;
    position: relative;
}

.progress-step::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    margin: 0 auto 10px;
    border-radius: 50%;
    background: #dcdcdc;
    color: #fff;
}

.progress-step.active::before {
    background: #007bff;
}

.progress-step.completed::before {
    background: #28a745;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn-secondary {
    background: #6c757d;
}

.btn-secondary:hover {
    background: #5a6268;
}

.discount-box {
    margin-top: 15px;
}

.discount-box input {
    width: 70%;
    display: inline-block;
}

.discount-box button {
    width: 28%;
    display: inline-block;
    background: #28a745;
}

.discount-box button:hover {
    background: #218838;
}

.price {
    font-size: 18px;
    font-weight: bold;
}

.price.discounted {
    color: #28a745;
}

.ui2-layout , .ui3-layout {
    display: flex;
    gap: 20px;
}

.ui2-left, .ui3-left {
    flex: 2;
}

.ui2-right, .ui3-right {
    flex: 1;
    text-align: center;
    border-left: 1px solid #ddd;
    padding-left: 20px;
}

.qr-box img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-top: 15px;
}

#confirmPaid, .note_payment, #qrImage {
	color:red;
}

	#nextBtn{
		margin-top:10%;
	}

/* Responsive cho mobile */
@media (max-width: 768px) {
    .ui2-layout, .ui3-layout {
        flex-direction: column; /* xếp dọc thay vì ngang */
    }

    .ui2-right, .ui3-right {
        border-left: none; /* bỏ border chia cột */
        border-top: 1px solid #ddd;
        padding-left: 0;
        padding-top: 20px;
        text-align: center;
    }

    .progressbar {
        margin:0;
    }

    .progress-step {
        width: 100%;
    }

    .progressbar::before {
        display: none; /* ẩn thanh ngang cho gọn */
    }

    input, select, button {
        font-size: 14px;
        padding: 8px;
    }

    button {
        font-size: 15px;
    }

    .qr-box img, 
    #qrImage {
        width: 100%;
    }

    .btn-group {
        flex-direction: column;
    }

    .discount-box input,
    .discount-box button {
        width: 100%;
        display: block;
        margin-top: 8px;
    }
}


.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;

  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.popup-overlay.show {
  opacity: 1;
  visibility: visible;
}

.popup-content {
  background: #fff;
  border-radius: 12px;
  padding: 30px 40px;
  text-align: center;
  position: relative;
  animation: popupScale 0.4s ease;
}

.popup-icon {
  font-size: 50px;
  color: #4CAF50;
  margin-bottom: 15px;
  animation: bounce 0.6s ease;
}

@keyframes popupScale {
  0% { transform: scale(0.6); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes bounce {
  0%   { transform: scale(0.5); opacity: 0; }
  70%  { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); }
}