/* --- HEADER UTILITIES --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.action-icon {
    font-size: var(--font-size-base);
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.action-icon:hover {
    color: var(--text-main);
}

.cart-icon-container {
    position: relative;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--accent-orange);
    color: #ffffff;
    font-size: var(--font-size-xs);
    font-weight: bold;
    border-radius: 50%;
    padding: 2px 6px;
    line-height: 1;
}

/* --- PAGE LAYOUT & GRID --- */
.checkout-container {
    margin-top: 40px;
    margin-bottom: 60px;
}

.payment-title-section {
    text-align: center;
    margin-bottom: 30px;
}

.payment-title-section h1 {
    color: var(--text-main);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 8px;
}

.payment-title-section p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 992px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }
}

/* --- CARD STYLING --- */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    margin-bottom: 24px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card h2 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 12px;
}

/* --- ORDER DETAILS --- */
.order-items-list {
    list-style: none;
    margin-bottom: 20px;
}

.order-items-list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border-subtle);
    font-size: var(--font-size-sm);
}

.item-title {
    color: var(--text-main);
    font-weight: 500;
    padding-right: 15px;
}

.item-price {
    color: var(--text-muted);
    font-weight: 600;
    white-space: nowrap;
}

.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--text-main);
}

.total-price {
    color: var(--accent-orange);
    font-size: var(--font-size-lg);
}

/* --- VIETQR SECTION --- */
.payment-info-card {
    text-align: center;
}

.vietqr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--primary-light);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    transition: background-color 0.3s ease;
}

.vietqr-logo {
    height: 28px;
    width: fit-content;
    margin-bottom: 15px;
}

.qr-code-wrapper {
    background-color: #ffffff; /* Giữ màu trắng cố định để máy ảnh quét mã dễ dàng */
    padding: 12px;
    display: inline-block;
    width: fit-content;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.qr-image {
    width: 180px;
    height: 180px;
    display: block;
}

.napas-mb-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.napas-img {
    height: 16px;
}

.divider {
    color: var(--text-muted);
}

.mb-brand {
    color: var(--primary);
}

.account-name-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 6px;
    font-weight: 500;
}

/* --- PAYMENT DETAILS LIST --- */
.payment-details-list {
    text-align: left;
    font-size: var(--font-size-sm);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.detail-row .label {
    color: var(--text-muted);
}

.font-bold {
    font-weight: 600;
    color: var(--text-main);
}

.text-danger {
    color: var(--accent-red);
}

.text-primary {
    color: var(--primary);
}

.text-copy {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.copy-icon {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.copy-icon:hover {
    color: var(--primary);
}

/* --- CUSTOMER INFO & VAT FORM --- */
.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 576px) {
    .form-group-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-group input {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: var(--font-size-base);
    outline: none;
    transition: border-color 0.2s ease, background-color 0.3s ease;
}

.form-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-group input:focus {
    border-color: var(--primary);
    background-color: var(--bg-card); /* Giữ vững màu nền Card khi đang focus */
}

/* Custom Checkbox cho phần VAT */
.vat-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    user-select: none;
}

.vat-checkbox-label input[type="checkbox"] {
    accent-color: var(--primary); /* Sử dụng màu chính của chủ đề cho checkbox */
    width: 18px;
    height: 18px;
}

.vat-fields {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-subtle);
}

/* --- SUBMIT ACTIONS --- */
.checkout-actions {
    text-align: center;
    margin-top: 32px;
}

.btn-submit-order {
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 14px 36px;
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-submit-order:hover {
    background-color: var(--primary-hover);
}

.btn-submit-order:active {
    transform: scale(0.98);
}

.btn-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 2.5rem;
    height: 2.5rem;

    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;

    background: var(--bg-card);
    color: var(--text-muted);

    cursor: pointer;
    transition: background .2s ease,
                color .2s ease,
                border-color .2s ease,
                transform .15s ease,
                box-shadow .2s ease;
}

.btn-copy svg {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
}

.btn-copy:hover {
    color: var(--primary);
    background: var(--primary-light);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgb(37 78 203 / 12%);
}

.btn-copy:active {
    transform: scale(.95);
}

.btn-copy:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}