/* ===================================
   CHECKOUT PAGE v2 - COMPLETE REBUILD
   Desktop + Mobile with Shipping + Savings
   Fixed: header overlap, WC conflicts, layout
   =================================== */

/* === VARIABLES === */
:root {
    --checkout-primary: #325D53;
    --checkout-primary-hover: #285446;
    --checkout-primary-light: #E8F0EE;
    --checkout-text: #333333;
    --checkout-text-light: #666666;
    --checkout-text-muted: #999999;
    --checkout-border: #E5E5E5;
    --checkout-bg: #f5f6f8;
    --checkout-white: #ffffff;
    --checkout-success: #28a745;
    --checkout-danger: #dc3545;
    --checkout-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --checkout-shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.1);
    --checkout-radius: 16px;
    --checkout-radius-sm: 12px;
    --checkout-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* PromptPay QR modal — used by /css/payso-qr-modal.css */
    --qr-success: #1FA968;
    --qr-success-bg: #E8F7EF;
    --qr-warning: #F59E0B;
    --qr-warning-bg: #FEF3E0;
    --qr-danger: var(--checkout-danger);
    --qr-skeleton: linear-gradient(90deg, #f0f2f5 0%, #f8f9fa 50%, #f0f2f5 100%);
    --qr-card-shadow: 0 4px 20px rgba(50, 93, 83, 0.08);
    --qr-card-shadow-success: 0 8px 32px rgba(31, 169, 104, 0.18);
    --qr-radius-card: 16px;
    --qr-radius-qr: 12px;
}

/* === RESET & PAGE BASE === */
body.woocommerce-checkout-page {
    background: var(--checkout-bg) !important;
}

/* === CHECKOUT ERROR BOX (Fix C) === */
.bioactive-checkout-errors {
    background: #fff5f5;
    border: 1.5px solid var(--checkout-danger);
    border-radius: var(--checkout-radius-sm);
    color: var(--checkout-danger);
    font-family: var(--checkout-font);
    font-size: 14px;
    line-height: 1.5;
    padding: 12px 16px;
    margin: 0 0 16px 0;
}

.bioactive-checkout-errors ul,
.bioactive-checkout-errors ol {
    margin: 0;
    padding-left: 18px;
}

.bioactive-checkout-errors li {
    margin: 4px 0;
}

.bioactive-checkout-errors .woocommerce-error,
.bioactive-checkout-errors .woocommerce-message {
    background: transparent;
    border: 0;
    color: inherit;
    margin: 0;
    padding: 0;
    list-style: none;
}

/* "แก้ไขที่อยู่" recovery button shown under an address-required error.
   Green theme button, full-width so it's easy to tap on mobile. */
.bioactive-fix-address-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 12px;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    background: var(--checkout-primary, #325D53);
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 150ms ease-out, transform 100ms ease-out;
}
.bioactive-fix-address-btn:hover { background: var(--checkout-primary-hover, #285446); }
.bioactive-fix-address-btn:active { transform: scale(0.98); }

/* =============================================
   HEADER / NAV FIXES FOR CHECKOUT PAGE
   แก้ปัญหา nav menu ที่อาจแสดงเป็น bullet list
   (จาก WordPress default nav ไม่ใช่ header-homepage.php)
   ============================================= */

/* แก้ default WordPress nav ที่อาจ leak เป็น bullet list */
body.woocommerce-checkout-page .site-navigation ul,
body.woocommerce-checkout-page .main-navigation ul,
body.woocommerce-checkout-page .primary-menu,
body.woocommerce-checkout-page .menu-menu-1-container ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

body.woocommerce-checkout-page .site-navigation li,
body.woocommerce-checkout-page .main-navigation li,
body.woocommerce-checkout-page .primary-menu li,
body.woocommerce-checkout-page .menu-menu-1-container li {
    list-style: none !important;
}

body.woocommerce-checkout-page .site-navigation li::before,
body.woocommerce-checkout-page .main-navigation li::before,
body.woocommerce-checkout-page .site-navigation li::marker,
body.woocommerce-checkout-page .main-navigation li::marker {
    content: none !important;
    display: none !important;
}

/* === WRAPPER - ป้องกัน header ทับ === */
.checkout-v2-wrapper {
    position: relative;
    z-index: 1;
    padding-top: 100px;
    min-height: calc(100vh - 200px);
}

/* === HIDE WooCommerce DEFAULT FORM & CONFLICTS === */
/* ใช้วิธี clip แทน display:none เพื่อให้ WC JS ยังทำงานได้ ไม่เกิด jQuery error */
.wc-checkout-hidden-form {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Override any WooCommerce default checkout styles that leak */
.checkout-v2-wrapper .woocommerce-checkout-review-order,
.checkout-v2-wrapper .woocommerce-checkout-payment,
.checkout-v2-wrapper .woocommerce-NoticeGroup,
.checkout-v2-wrapper #customer_details {
    all: unset;
}

/* === CHECKOUT HEADER === */
.checkout-page-header {
    text-align: center;
    padding: 0 20px;
    margin-bottom: 40px;
}

.checkout-page-title {
    font-family: var(--checkout-font);
    font-size: 36px;
    font-weight: 700;
    color: var(--checkout-text);
    margin: 40px 0 8px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    line-height: 1.3;
}

.checkout-page-title i {
    color: var(--checkout-primary);
    font-size: 32px;
}

.checkout-page-subtitle {
    font-family: var(--checkout-font);
    font-size: 15px;
    color: var(--checkout-text-light);
    margin: 0;
}


/* =============================================
   DESKTOP LAYOUT
   ============================================= */

.checkout-mobile-layout,
.address-popup-overlay {
    display: none !important;
}

.checkout-desktop-layout {
    display: block;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px 80px;
}

.checkout-container {
    display: grid;
    grid-template-columns: 1fr 440px;
    gap: 30px;
    align-items: start;
}

/* === CHECKOUT SECTIONS === */
.checkout-section {
    background: var(--checkout-white);
    border-radius: var(--checkout-radius);
    padding: 30px;
    box-shadow: var(--checkout-shadow);
    margin-bottom: 20px;
    border: 1px solid rgba(0,0,0,0.04);
}

.section-title {
    font-family: var(--checkout-font);
    font-size: 18px;
    font-weight: 700;
    color: var(--checkout-text);
    margin: 0 0 24px 0;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--checkout-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.section-title i {
    color: var(--checkout-primary);
    font-size: 17px;
}

.section-title .optional {
    font-size: 13px;
    font-weight: 400;
    color: var(--checkout-text-muted);
}

/* === FORM FIELDS === */
.form-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.form-row {
    width: 100%;
}

.form-row-half {
    width: calc(50% - 8px);
}

.form-row label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--checkout-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--checkout-text);
    margin-bottom: 8px;
}

.form-row label i {
    color: var(--checkout-primary);
    font-size: 13px;
    width: 14px;
    text-align: center;
}

.form-row label .required {
    color: var(--checkout-danger);
    font-size: 14px;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--checkout-border);
    border-radius: var(--checkout-radius-sm);
    font-family: var(--checkout-font);
    font-size: 14px;
    color: var(--checkout-text);
    background: #fafbfc;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--checkout-primary);
    background: var(--checkout-white);
    box-shadow: 0 0 0 3px rgba(50, 93, 83, 0.08);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
    color: #b0b8c1;
}

.form-row textarea {
    min-height: 90px;
    resize: vertical;
}

/* Focus animation for form rows */
.form-row.focused label {
    color: var(--checkout-primary);
}

/* === SAME ADDRESS CHECKBOX === */
.same-address-checkbox {
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-family: var(--checkout-font);
    font-size: 14px;
    color: var(--checkout-text);
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--checkout-border);
    border-radius: 6px;
    background: var(--checkout-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.checkbox-label input:checked + .checkmark {
    background: var(--checkout-primary);
    border-color: var(--checkout-primary);
}

.checkbox-label input:checked + .checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--checkout-white);
    font-size: 11px;
}

/* === ORDER ITEMS === */
.order-items {
    margin-bottom: 20px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 5px;
}

/* Custom scrollbar */
.order-items::-webkit-scrollbar {
    width: 4px;
}
.order-items::-webkit-scrollbar-track {
    background: transparent;
}
.order-items::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 4px;
}

.order-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid #f2f3f5;
}

.order-item:last-child {
    border-bottom: none;
}

.item-image {
    flex-shrink: 0;
}

.item-image img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid #f0f0f0;
}

.item-details {
    flex: 1;
    min-width: 0;
}

.item-name {
    font-family: var(--checkout-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--checkout-text);
    margin-bottom: 3px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-qty {
    font-family: var(--checkout-font);
    font-size: 12px;
    color: var(--checkout-text-muted);
}

.item-discount {
    font-family: var(--checkout-font);
    font-size: 11px;
    font-weight: 600;
    color: var(--checkout-danger);
    margin-top: 2px;
}

.item-price {
    font-family: var(--checkout-font);
    font-size: 14px;
    font-weight: 700;
    color: var(--checkout-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

/* === ORDER SUMMARY === */
.order-summary {
    background: var(--checkout-bg);
    border-radius: var(--checkout-radius-sm);
    padding: 18px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.summary-row .label {
    font-family: var(--checkout-font);
    font-size: 13px;
    color: var(--checkout-text-light);
    display: flex;
    align-items: center;
    gap: 7px;
}

.summary-row .label i {
    font-size: 11px;
}

.summary-row .value {
    font-family: var(--checkout-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--checkout-text);
}

.discount-row .label,
.discount-row .label i,
.discount-row .value {
    color: var(--checkout-danger) !important;
}

.coupon-row .label,
.coupon-row .label i,
.coupon-row .value {
    color: var(--checkout-success) !important;
}

.summary-divider {
    height: 1px;
    background: var(--checkout-border);
    margin: 8px 0;
}

.total-row .label {
    font-size: 15px !important;
    font-weight: 700 !important;
    color: var(--checkout-text) !important;
}

.total-row .value {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: var(--checkout-primary) !important;
}

.savings-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #fff0f0, #ffe8e8);
    border-radius: 10px;
    font-family: var(--checkout-font);
    font-size: 13px;
    font-weight: 700;
    color: var(--checkout-danger);
    border: 1px solid rgba(220, 53, 69, 0.1);
}

/* === FREE SHIPPING BOX === */
.free-shipping-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 10px 0;
    padding: 10px 14px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 10px;
    border: 1px dashed #4caf50;
}

.free-shipping-box i {
    color: #2e7d32;
    font-size: 14px;
}

.free-shipping-box span {
    font-family: var(--checkout-font);
    font-size: 12px;
    font-weight: 600;
    color: #2e7d32;
}

/* === SAVED ADDRESS BADGE === */
.saved-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    padding: 5px 10px;
    background: #e8f5e9;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: #2e7d32;
    white-space: nowrap;
}

.saved-badge i {
    font-size: 11px !important;
    color: #2e7d32 !important;
}

/* === PAYMENT METHODS === */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border: 2px solid var(--checkout-border);
    border-radius: var(--checkout-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    background: #fafbfc;
}

.payment-method:hover {
    border-color: rgba(50, 93, 83, 0.4);
    background: var(--checkout-primary-light);
}

.payment-method.active {
    border-color: var(--checkout-primary);
    background: var(--checkout-primary-light);
}

.payment-method input {
    display: none;
}

.method-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--checkout-white);
    border-radius: 10px;
    color: var(--checkout-primary);
    font-size: 17px;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.method-info {
    flex: 1;
    min-width: 0;
}

.method-name {
    font-family: var(--checkout-font);
    font-size: 14px;
    font-weight: 600;
    color: var(--checkout-text);
    display: block;
    margin-bottom: 2px;
}

.method-desc {
    font-family: var(--checkout-font);
    font-size: 12px;
    color: var(--checkout-text-muted);
}

.method-check {
    color: var(--checkout-border);
    font-size: 20px;
    transition: color 0.2s;
    flex-shrink: 0;
}

.payment-method.active .method-check {
    color: var(--checkout-primary);
}

/* === PLACE ORDER BUTTON === */
.place-order-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 30px;
    background: var(--checkout-primary);
    color: var(--checkout-white);
    border: none;
    border-radius: 50px;
    font-family: var(--checkout-font);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    letter-spacing: 0.3px;
}

.place-order-btn:hover {
    background: var(--checkout-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(50, 93, 83, 0.3);
}

.place-order-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.privacy-text {
    font-family: var(--checkout-font);
    font-size: 11px;
    color: var(--checkout-text-muted);
    text-align: center;
    margin-top: 16px;
    line-height: 1.6;
}

.privacy-text a {
    color: var(--checkout-primary);
    text-decoration: underline;
}

/* === STICKY ORDER COLUMN === */
.checkout-order-column {
    position: sticky;
    top: 100px;
}

/* === EMPTY CART === */
.checkout-empty {
    max-width: 500px;
    margin: 0 auto;
    padding: 80px 40px;
    background: var(--checkout-white);
    border-radius: var(--checkout-radius);
    box-shadow: var(--checkout-shadow);
    text-align: center;
}

.checkout-empty .empty-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    background: var(--checkout-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkout-empty .empty-icon i {
    font-size: 36px;
    color: #ccc;
}

.checkout-empty h3 {
    font-family: var(--checkout-font);
    font-size: 20px;
    font-weight: 700;
    color: var(--checkout-text);
    margin-bottom: 8px;
}

.checkout-empty p {
    font-family: var(--checkout-font);
    font-size: 14px;
    color: var(--checkout-text-light);
    margin-bottom: 25px;
}

.checkout-empty .shop-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--checkout-primary);
    color: var(--checkout-white) !important;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--checkout-font);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.checkout-empty .shop-btn:hover {
    background: var(--checkout-primary-hover);
    transform: translateY(-2px);
}


/* =============================================
   TABLET RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
    .checkout-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .checkout-order-column {
        position: static;
        max-width: 100%;
        width: 100%;
    }
    
    .checkout-v2-wrapper {
        padding-top: 80px;
    }
}


/* =============================================
   MOBILE LAYOUT (768px and below)
   ============================================= */

@media (max-width: 768px) {
    
    /* Hide desktop, show mobile */
    .checkout-desktop-layout {
        display: none !important;
    }
    
    .checkout-mobile-layout {
        display: block !important;
        padding: 0 12px 120px;
    }
    
    .address-popup-overlay {
        display: none !important;
    }
    
    .address-popup-overlay.active {
        display: flex !important;
    }
    
    /* === WRAPPER === */
    .checkout-v2-wrapper {
        padding-top: 80px;
    }

    /* ซ่อน WordPress default nav บน mobile checkout (ไม่รวม header-homepage nav) */
    body.woocommerce-checkout-page .site-navigation,
    body.woocommerce-checkout-page .main-navigation {
        display: none !important;
    }
    
    /* === HEADER === */
    .checkout-page-header {
        margin-bottom: 16px;
        padding: 0 5px;
    }
    
    .checkout-page-title {
        font-size: 22px;
        gap: 8px;
        margin-top: 40px;
    }
    
    .checkout-page-title i {
        font-size: 20px;
    }
    
    .checkout-page-subtitle {
        font-size: 13px;
        display: none;
    }
    
    /* === ADDRESS CARD === */
    .m-address-card {
        background: var(--checkout-white);
        border-radius: var(--checkout-radius);
        box-shadow: var(--checkout-shadow);
        margin-bottom: 12px;
        overflow: hidden;
        border: 1px solid rgba(0,0,0,0.04);
        transition: border-color 200ms ease, box-shadow 200ms ease;
    }

    /* Empty-address state — brand-colored hairline so the user can
       tell at a glance that something is required here. */
    .m-address-card[data-filled="0"] {
        border-color: #325D53;
        box-shadow: 0 0 0 2px rgba(50, 93, 83, 0.08), var(--checkout-shadow);
    }
    .m-address-card[data-filled="0"] .address-edit-btn {
        background: linear-gradient(135deg, #325D53, #285446);
        color: #fff;
    }

    /* Save confirmation — brief green flash after popup save so the
       user has clear visual feedback that the card was updated. */
    @keyframes ba-card-saved-flash {
        0%   { box-shadow: 0 0 0 0 rgba(46, 125, 67, 0); }
        30%  { box-shadow: 0 0 0 4px rgba(46, 125, 67, 0.45); }
        100% { box-shadow: 0 0 0 0 rgba(46, 125, 67, 0); }
    }
    .m-address-card.ba-card-saved-flash {
        animation: ba-card-saved-flash 1.1s ease-out;
        border-color: #2e7d43;
    }

    @media (prefers-reduced-motion: reduce) {
        .m-address-card.ba-card-saved-flash {
            animation: none;
        }
    }
    
    .address-header {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        background: var(--checkout-primary-light);
        border-bottom: 1px solid rgba(50, 93, 83, 0.1);
    }
    
    .address-icon {
        width: 30px;
        height: 30px;
        background: var(--checkout-primary);
        color: var(--checkout-white);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        flex-shrink: 0;
    }
    
    .address-title {
        flex: 1;
        font-family: var(--checkout-font);
        font-size: 14px;
        font-weight: 700;
        color: var(--checkout-primary);
    }
    
    .address-edit-btn {
        background: var(--checkout-white);
        color: var(--checkout-primary);
        border: 1px solid var(--checkout-primary);
        padding: 5px 12px;
        border-radius: 20px;
        font-family: var(--checkout-font);
        font-size: 12px;
        font-weight: 600;
        cursor: pointer;
        white-space: nowrap;
        transition: all 0.2s;
    }
    
    .address-edit-btn:active {
        background: var(--checkout-primary);
        color: var(--checkout-white);
    }
    
    .address-content {
        padding: 12px 14px;
    }
    
    .address-name {
        font-family: var(--checkout-font);
        font-size: 14px;
        font-weight: 700;
        color: var(--checkout-text);
        margin-bottom: 3px;
    }
    
    .address-phone {
        font-family: var(--checkout-font);
        font-size: 13px;
        color: var(--checkout-text-light);
        margin-bottom: 8px;
    }
    
    .address-line {
        font-family: var(--checkout-font);
        font-size: 13px;
        color: var(--checkout-text-light);
        line-height: 1.5;
        display: flex;
        align-items: flex-start;
    }
    
    .address-line.billing-line {
        margin-top: 8px;
        padding-top: 8px;
        border-top: 1px dashed var(--checkout-border);
        color: var(--checkout-text-muted);
        font-size: 12px;
    }
    
    /* === MOBILE SECTIONS === */
    .m-checkout-section {
        background: var(--checkout-white);
        border-radius: var(--checkout-radius);
        margin-bottom: 12px;
        box-shadow: var(--checkout-shadow);
        overflow: hidden;
        border: 1px solid rgba(0,0,0,0.04);
    }
    
    .m-section-header {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        background: var(--checkout-primary-light);
        border-bottom: 1px solid rgba(50, 93, 83, 0.1);
    }
    
    .m-section-header i {
        color: var(--checkout-primary);
        font-size: 14px;
    }
    
    .m-section-header span {
        font-family: var(--checkout-font);
        font-size: 14px;
        font-weight: 700;
        color: var(--checkout-primary);
    }
    
    /* === MOBILE ORDER ITEMS === */
    .m-order-items {
        padding: 0;
        max-height: 350px;
        overflow-y: auto;
    }
    
    .m-order-item {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 14px;
        border-bottom: 1px solid #f5f5f5;
    }
    
    .m-order-item:last-child {
        border-bottom: none;
    }
    
    .m-item-image {
        flex-shrink: 0;
    }
    
    .m-item-image img {
        width: 50px;
        height: 50px;
        object-fit: cover;
        border-radius: 8px;
        border: 1px solid #f0f0f0;
    }
    
    .m-item-details {
        flex: 1;
        min-width: 0;
    }
    
    .m-item-name {
        font-family: var(--checkout-font);
        font-size: 13px;
        font-weight: 600;
        color: var(--checkout-text);
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .m-item-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 3px;
    }
    
    .m-item-qty {
        font-family: var(--checkout-font);
        font-size: 12px;
        color: var(--checkout-text-muted);
    }
    
    .m-item-discount {
        font-family: var(--checkout-font);
        font-size: 10px;
        font-weight: 600;
        color: var(--checkout-danger);
        background: #fff0f0;
        padding: 1px 6px;
        border-radius: 8px;
    }
    
    .m-item-price {
        font-family: var(--checkout-font);
        font-size: 14px;
        font-weight: 700;
        color: var(--checkout-primary);
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* === MOBILE SUMMARY === */
    .m-summary-content {
        padding: 14px;
    }
    
    .m-summary-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 0;
    }
    
    .m-label {
        font-family: var(--checkout-font);
        font-size: 13px;
        color: var(--checkout-text-light);
        display: flex;
        align-items: center;
        gap: 6px;
    }
    
    .m-label i {
        font-size: 11px;
    }
    
    .m-value {
        font-family: var(--checkout-font);
        font-size: 13px;
        font-weight: 600;
        color: var(--checkout-text);
    }
    
    .m-discount-row .m-label,
    .m-discount-row .m-label i,
    .m-discount-row .m-value {
        color: var(--checkout-danger) !important;
    }
    
    .m-coupon-row .m-label,
    .m-coupon-row .m-label i,
    .m-coupon-row .m-value {
        color: var(--checkout-success) !important;
    }
    
    .m-summary-divider {
        height: 1px;
        background: var(--checkout-border);
        margin: 6px 0;
    }
    
    /* Mobile Free Shipping Box */
    .m-free-shipping-box {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        margin: 8px 0;
        padding: 8px 12px;
        background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
        border-radius: 8px;
        border: 1px dashed #4caf50;
    }
    
    .m-free-shipping-box i {
        color: #2e7d32;
        font-size: 13px;
    }
    
    .m-free-shipping-box span {
        font-family: var(--checkout-font);
        font-size: 12px;
        font-weight: 600;
        color: #2e7d32;
    }
    
    .m-total-row .m-label {
        font-size: 15px !important;
        font-weight: 700 !important;
        color: var(--checkout-text) !important;
    }
    
    .m-total-row .m-value {
        font-size: 18px !important;
        font-weight: 700 !important;
        color: var(--checkout-primary) !important;
    }

    .m-savings-badge {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        margin-top: 10px;
        padding: 8px 12px;
        background: linear-gradient(135deg, #fff0f0, #ffe8e8);
        border-radius: 8px;
        font-family: var(--checkout-font);
        font-size: 12px;
        font-weight: 700;
        color: var(--checkout-danger);
        border: 1px solid rgba(220, 53, 69, 0.1);
    }
    
    /* === MOBILE PAYMENT === */
    .m-payment-methods {
        padding: 12px 14px;
    }
    
    .m-payment-method {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px;
        border: 2px solid var(--checkout-border);
        border-radius: var(--checkout-radius-sm);
        margin-bottom: 8px;
        cursor: pointer;
        transition: all 0.2s;
        background: #fafbfc;
    }
    
    .m-payment-method:last-child {
        margin-bottom: 0;
    }
    
    .m-payment-method.active {
        border-color: var(--checkout-primary);
        background: var(--checkout-primary-light);
    }
    
    .m-payment-method input {
        display: none;
    }
    
    .m-method-icon {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--checkout-white);
        border-radius: 8px;
        color: var(--checkout-primary);
        font-size: 15px;
        flex-shrink: 0;
        box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    }
    
    .m-method-name {
        flex: 1;
        font-family: var(--checkout-font);
        font-size: 13px;
        font-weight: 600;
        color: var(--checkout-text);
    }
    
    .m-method-check {
        color: var(--checkout-border);
        font-size: 18px;
        flex-shrink: 0;
    }
    
    .m-payment-method.active .m-method-check {
        color: var(--checkout-primary);
    }
    
    /* === MOBILE NOTES === */
    .m-notes-content {
        padding: 14px;
    }
    
    .m-notes-content textarea {
        width: 100%;
        padding: 10px 14px;
        border: 1.5px solid var(--checkout-border);
        border-radius: 10px;
        font-family: var(--checkout-font);
        font-size: 13px;
        min-height: 70px;
        resize: vertical;
        background: #fafbfc;
        box-sizing: border-box;
    }
    
    .m-notes-content textarea:focus {
        outline: none;
        border-color: var(--checkout-primary);
        background: var(--checkout-white);
        box-shadow: 0 0 0 3px rgba(50, 93, 83, 0.08);
    }

    /* === MOBILE PLACE ORDER === */
    .m-place-order-wrapper {
        margin-top: 16px;
        padding: 0 2px 20px;
    }

    .m-place-order-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        width: 100%;
        padding: 16px;
        background: var(--checkout-primary);
        color: var(--checkout-white);
        border: none;
        border-radius: 50px;
        font-family: var(--checkout-font);
        font-size: 16px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.2s;
        letter-spacing: 0.3px;
    }

    .m-place-order-btn:active {
        background: var(--checkout-primary-hover);
        transform: scale(0.98);
    }

    .m-place-order-btn.loading {
        opacity: 0.7;
        pointer-events: none;
    }

    .m-privacy-text {
        font-family: var(--checkout-font);
        font-size: 11px;
        color: var(--checkout-text-muted);
        text-align: center;
        margin-top: 10px;
        line-height: 1.5;
    }

    .m-privacy-text a {
        color: var(--checkout-primary);
        text-decoration: underline;
    }
    
    /* === ADDRESS POPUP === */
    .address-popup-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1000000;
        align-items: flex-end;
        justify-content: center;
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
    }
    
    .address-popup {
        width: 100%;
        max-height: 92vh;
        background: var(--checkout-white);
        border-radius: 20px 20px 0 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        animation: slideUp 0.3s ease;
    }
    
    @keyframes slideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }
    
    .popup-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 18px;
        background: var(--checkout-primary);
        color: var(--checkout-white);
        flex-shrink: 0;
    }
    
    .popup-header h3 {
        font-family: var(--checkout-font);
        font-size: 15px;
        font-weight: 700;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .popup-close {
        width: 30px;
        height: 30px;
        background: rgba(255,255,255,0.2);
        border: none;
        border-radius: 50%;
        color: var(--checkout-white);
        font-size: 14px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    
    .popup-body {
        flex: 1;
        overflow-y: auto;
        padding: 16px 18px;
        -webkit-overflow-scrolling: touch;
    }
    
    .popup-section {
        margin-bottom: 20px;
    }
    
    .popup-section h4 {
        font-family: var(--checkout-font);
        font-size: 13px;
        font-weight: 700;
        color: var(--checkout-text);
        margin: 0 0 12px 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .popup-section h4 i {
        color: var(--checkout-primary);
        font-size: 13px;
    }

    .popup-form-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .popup-form-row {
        width: 100%;
    }
    
    .popup-form-half {
        width: calc(50% - 5px);
    }
    
    .popup-form-row input {
        width: 100%;
        padding: 11px 14px;
        border: 1.5px solid var(--checkout-border);
        border-radius: 10px;
        font-family: var(--checkout-font);
        font-size: 14px;
        background: #fafbfc;
        box-sizing: border-box;
        transition: all 0.2s;
    }
    
    .popup-form-row input:focus {
        outline: none;
        border-color: var(--checkout-primary);
        background: var(--checkout-white);
        box-shadow: 0 0 0 3px rgba(50, 93, 83, 0.08);
    }

    .popup-form-row input::placeholder {
        color: #b0b8c1;
    }
    
    .popup-same-address {
        padding: 12px 14px;
        background: var(--checkout-bg);
        border-radius: 10px;
        margin-bottom: 16px;
    }
    
    .popup-checkbox {
        display: flex;
        align-items: center;
        gap: 10px;
        cursor: pointer;
        font-family: var(--checkout-font);
        font-size: 13px;
        color: var(--checkout-text);
        user-select: none;
    }
    
    .popup-checkbox input {
        display: none;
    }
    
    .popup-checkmark {
        width: 20px;
        height: 20px;
        min-width: 20px;
        border: 2px solid var(--checkout-border);
        border-radius: 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;
    }
    
    .popup-checkbox input:checked + .popup-checkmark {
        background: var(--checkout-primary);
        border-color: var(--checkout-primary);
    }
    
    .popup-checkbox input:checked + .popup-checkmark::after {
        content: '\f00c';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: var(--checkout-white);
        font-size: 10px;
    }
    
    .popup-footer {
        display: flex;
        gap: 10px;
        padding: 14px 18px;
        border-top: 1px solid var(--checkout-border);
        background: var(--checkout-white);
        flex-shrink: 0;
    }

    /* When popup is open, the sticky checkout CTA at the bottom of
       the viewport takes over the "save address" role (label changes
       to "บันทึกที่อยู่"). Hide the in-popup save button so users
       don't see two save buttons. Keep the cancel button visible — it
       still serves the close-without-saving path. */
    body.popup-address-open .popup-save {
        display: none;
    }
    body.popup-address-open .popup-cancel {
        flex: 1 1 100%;  /* fill the row when save is hidden */
    }

    /* Sticky CTA visual when in popup-mode — shifts to a brighter
       success-green and adds a subtle pulse so the user knows the
       action context has changed. */
    .m-place-order-trigger.is-popup-mode {
        background: linear-gradient(135deg, #2e7d43 0%, #20c997 100%) !important;
        box-shadow: 0 4px 15px rgba(46, 125, 67, 0.4) !important;
    }

    .popup-cancel {
        flex: 1;
        padding: 13px;
        border: 1.5px solid var(--checkout-border);
        border-radius: var(--checkout-radius-sm);
        background: var(--checkout-white);
        font-family: var(--checkout-font);
        font-size: 14px;
        font-weight: 600;
        color: var(--checkout-text-light);
        cursor: pointer;
    }
    
    .popup-save {
        flex: 2;
        padding: 13px;
        border: none;
        border-radius: var(--checkout-radius-sm);
        background: var(--checkout-primary);
        color: var(--checkout-white);
        font-family: var(--checkout-font);
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }

    .popup-save:active {
        background: var(--checkout-primary-hover);
    }
    
    @supports (padding-bottom: env(safe-area-inset-bottom)) {
        .popup-footer {
            padding-bottom: calc(14px + env(safe-area-inset-bottom));
        }
    }
}

/* === SMALL MOBILE === */
@media (max-width: 380px) {
    .checkout-page-title {
        font-size: 20px;
    }
    
    .m-item-image img {
        width: 44px;
        height: 44px;
    }
    
    .m-item-name {
        font-size: 12px;
    }
    
    .m-item-price {
        font-size: 13px;
    }
    
    .m-total-row .m-value {
        font-size: 16px !important;
    }

    .popup-form-half {
        width: 100%;
    }
}

/* ===== Shipping / Insurance (display-only) + Coupon Input ===== */

.summary-row.shipping-row .value,
.summary-row.insurance-row .value,
.m-summary-row.m-shipping-row .m-value,
.m-summary-row.m-insurance-row .m-value {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.summary-row .value .strike,
.m-summary-row .m-value .strike {
    color: #999;
    text-decoration: line-through;
    font-weight: 400;
}

.summary-row .free-badge,
.m-summary-row .free-badge {
    background: #e7f6ec;
    color: #1d8441;
    font-weight: 700;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 999px;
    letter-spacing: .3px;
}

/* Coupon input row */
.coupon-input-row,
.m-coupon-input-row {
    padding: 10px 0;
}

.coupon-input-wrapper label {
    display: block;
    font-size: 13px;
    color: #333;
    margin-bottom: 6px;
}

.coupon-input-wrapper label i {
    margin-right: 6px;
    color: #325D53;
}

.coupon-input-field {
    display: flex;
    gap: 8px;
}

.coupon-input-field input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color .2s;
}

.coupon-input-field input:focus {
    border-color: #325D53;
}

.bioactive-apply-coupon-btn {
    background: #325D53;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}

.bioactive-apply-coupon-btn:hover:not(:disabled) {
    background: #264a42;
}

.bioactive-apply-coupon-btn:disabled {
    background: #8aa39c;
    cursor: not-allowed;
}

.coupon-message {
    font-size: 12px;
    margin-top: 6px;
    min-height: 16px;
}

/* =============================================
 * Coupon ↔ payment-method restriction UI
 * Used by: coupon-payment-restriction.php (server) + checkout.js (client)
 * ============================================= */

/* Inline warning shown under the coupon input when a coupon is applied
 * with a payment-method restriction but no payment method has been
 * chosen yet. (Currently surfaced as a toast — leaving the class for
 * future inline rendering.) */
.coupon-payment-warning {
    background: #E3F2FD;
    border-left: 3px solid #1976D2;
    padding: 8px 12px;
    margin: 6px 0;
    font-size: 12px;
    color: #0D47A1;
    border-radius: 4px;
    line-height: 1.5;
}

/* Slide-in toast for coupon notifications (apply warning, removed-on-
 * payment-change, etc.). Positioned top-right on desktop, full-width
 * bottom strip on mobile (above the sticky place-order CTA). */
.coupon-toast {
    position: fixed;
    top: 24px;
    right: 24px;
    background: #ffffff;
    border-left: 4px solid #F59E0B;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    padding: 14px 18px;
    border-radius: 8px;
    max-width: 360px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    cursor: pointer;
    transform: translateX(420px);
    opacity: 0;
    transition: transform 250ms ease-out, opacity 250ms ease-out;
    z-index: 99999;
}

.coupon-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.coupon-toast-error   { border-left-color: #dc3545; }
.coupon-toast-info    { border-left-color: #1976D2; }
.coupon-toast-success { border-left-color: #28a745; }
.coupon-toast-warning { border-left-color: #F59E0B; }

@media (max-width: 768px) {
    .coupon-toast {
        top: auto;
        bottom: 90px;
        right: 12px;
        left: 12px;
        max-width: none;
        transform: translateY(80px);
    }
    .coupon-toast.show {
        transform: translateY(0);
    }
}

/* Remove-coupon × button inline in the applied-coupon summary row */
.bioactive-remove-coupon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: 6px;
    padding: 0;
    border: none;
    background: rgba(220, 53, 69, 0.10);
    color: #dc3545;
    border-radius: 50%;
    cursor: pointer;
    font-size: 10px;
    line-height: 1;
    transition: background 150ms ease-out, transform 150ms ease-out;
    vertical-align: middle;
}
.bioactive-remove-coupon-btn:hover {
    background: #dc3545;
    color: #ffffff;
    transform: scale(1.08);
}
.bioactive-remove-coupon-btn:focus {
    outline: 2px solid rgba(220, 53, 69, 0.40);
    outline-offset: 2px;
}

/* Confirmation modal — payment-change-removes-coupon flow */
.coupon-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    opacity: 0;
    transition: opacity 200ms ease-out;
    padding: 16px;
}
.coupon-confirm-overlay.show { opacity: 1; }

body.coupon-confirm-open { overflow: hidden; }

.coupon-confirm-modal {
    background: #ffffff;
    border-radius: 14px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.25);
    max-width: 460px;
    width: 100%;
    overflow: hidden;
    transform: translateY(20px) scale(0.96);
    transition: transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.coupon-confirm-overlay.show .coupon-confirm-modal {
    transform: translateY(0) scale(1);
}

.coupon-confirm-header {
    padding: 18px 22px;
    background: #FEF3E0;
    border-bottom: 1px solid #FCE9C9;
    display: flex;
    align-items: center;
    gap: 10px;
}
.coupon-confirm-header i { color: #F59E0B; font-size: 20px; }
.coupon-confirm-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #333;
}

.coupon-confirm-body {
    padding: 18px 22px;
    color: #444;
    font-size: 14px;
    line-height: 1.6;
}
.coupon-confirm-body p { margin: 0 0 10px; }
.coupon-confirm-body p:last-child { margin-bottom: 0; }

.coupon-confirm-list {
    margin: 8px 0 0;
    padding: 12px 14px 12px 28px;
    background: #FFF8EC;
    border-radius: 8px;
    border-left: 3px solid #F59E0B;
    list-style: disc;
    font-size: 13px;
    color: #555;
}
.coupon-confirm-list li + li { margin-top: 6px; }
.coupon-confirm-list strong { color: #333; }

.coupon-confirm-footer {
    padding: 14px 22px 18px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    border-top: 1px solid #f0f0f0;
}
.coupon-confirm-footer button {
    appearance: none;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background 150ms ease-out, transform 100ms ease-out;
}
.coupon-confirm-cancel {
    background: #f5f5f5;
    color: #555;
}
.coupon-confirm-cancel:hover { background: #e8e8e8; }
.coupon-confirm-ok {
    background: #dc3545;
    color: #ffffff;
}
.coupon-confirm-ok:hover { background: #c62232; }
.coupon-confirm-ok:active { transform: scale(0.98); }
.coupon-confirm-cancel:focus,
.coupon-confirm-ok:focus {
    outline: 2px solid rgba(50, 93, 83, 0.40);
    outline-offset: 2px;
}

@media (max-width: 480px) {
    .coupon-confirm-modal { max-width: 100%; }
    .coupon-confirm-footer { flex-direction: column-reverse; }
    .coupon-confirm-footer button { width: 100%; }
}

/* ============================================================
   PromptPay QR — resume an unfinished order (choice dialog + banner)
   ============================================================ */

/* Green primary action — used in the choice dialog footer AND the banner.
   Inside .coupon-confirm-footer it inherits the base button reset; in the
   banner it gets its sizing from .payso-resume-actions button below. */
.payso-resume-primary {
    background: var(--checkout-primary, #325D53);
    color: #fff;
}
.payso-resume-primary:hover { background: var(--checkout-primary-hover, #285446); }
.payso-resume-primary:active { transform: scale(0.98); }
.payso-resume-primary:focus {
    outline: 2px solid rgba(50, 93, 83, 0.40);
    outline-offset: 2px;
}

/* Persistent banner shown above the place-order button when a pending QR
   exists. Amber card so it reads as "needs attention" without alarming. */
.payso-resume-banner {
    background: #FFF8EC;
    border: 1px solid #F59E0B;
    border-radius: 12px;
    padding: 14px 16px;
    margin: 0 0 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.payso-resume-info {
    font-size: 14px;
    color: #7a5b00;
    line-height: 1.5;
}
.payso-resume-info i { color: #F59E0B; margin-right: 6px; }
.payso-resume-info strong { color: #333; }
.payso-resume-actions {
    display: flex;
    gap: 10px;
}
.payso-resume-actions button {
    appearance: none;
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    flex: 1;
    transition: background 150ms ease-out, transform 100ms ease-out;
}
.payso-resume-actions .payso-resume-cancel {
    background: #f5f5f5;
    color: #555;
}
.payso-resume-actions .payso-resume-cancel:hover { background: #e8e8e8; }

@media (max-width: 480px) {
    .payso-resume-actions { flex-direction: column; }
}