/* =====================================================
   SHAANWEAR — Checkout Stylesheet
   Clean, minimalist, distraction-free 2-column layout
   ===================================================== */

@import url('buttons.css');

/* ---------- 1. RESET & BASE LAYOUT ---------- */
html,
body.checkout-body {
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

.checkout-body {
    background: #FFFFFF;
    color: var(--black, #111111);
    font-family: var(--font, 'Inter', -apple-system, sans-serif);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.checkout-wrapper,
.checkout-grid,
.checkout-main,
.checkout-sidebar {
    box-sizing: border-box;
    min-width: 0;
    max-width: 100%;
}

/* ---------- 2. MINIMALIST DISTRACTION-FREE HEADER ---------- */
.checkout-header {
    border-bottom: 1px solid var(--border, #E5E3DE);
    background: #FFFFFF;
    padding: 20px 0;
}

.checkout-header__inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.checkout-header__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin: 0 auto;
}

.checkout-header__brand {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.22em;
    color: var(--black, #111111);
    text-transform: uppercase;
}

.checkout-header__secure {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-gray, #6E6E6E);
    position: absolute;
    right: 32px;
}

.checkout-header__secure svg {
    stroke: #2E7D32;
}

/* ---------- 3. MOBILE ORDER SUMMARY ACCORDION ---------- */
.mobile-summary-toggle {
    display: none;
    width: 100%;
    background: #FAF9F7;
    border-bottom: 1px solid var(--border, #E5E3DE);
    padding: 16px 24px;
    cursor: pointer;
    border-top: none;
    border-left: none;
    border-right: none;
    font-size: 13.5px;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.mobile-summary-toggle:hover:not(:disabled) {
    background: var(--black, #111111) !important;
    border-bottom-color: var(--black, #111111) !important;
}

.mobile-summary-toggle__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.mobile-summary-toggle__left {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--black, #111111);
    font-weight: 500;
    transition: color 0.25s ease;
}

.mobile-summary-toggle__text {
    transition: color 0.25s ease;
}

.mobile-summary-toggle__left svg.icon-cart {
    stroke: var(--black, #111111);
    transition: stroke 0.25s ease;
}

.mobile-summary-toggle__left svg.icon-chevron {
    transition: transform 250ms ease, stroke 0.25s ease;
}

.mobile-summary-toggle.is-open svg.icon-chevron {
    transform: rotate(180deg);
}

.mobile-summary-toggle__price {
    font-weight: 700;
    font-size: 15px;
    color: var(--black, #111111);
    transition: color 0.25s ease;
}

.mobile-summary-toggle:hover:not(:disabled) .mobile-summary-toggle__left,
.mobile-summary-toggle:hover:not(:disabled) .mobile-summary-toggle__text,
.mobile-summary-toggle:hover:not(:disabled) .mobile-summary-toggle__price {
    color: #FFFFFF !important;
}

.mobile-summary-toggle:hover:not(:disabled) svg.icon-cart,
.mobile-summary-toggle:hover:not(:disabled) svg.icon-chevron {
    stroke: #FFFFFF !important;
}

/* ---------- 4. TWO-COLUMN CHECKOUT GRID ---------- */
.checkout-wrapper {
    flex: 1;
    display: flex;
    max-width: 1240px;
    margin: 0 auto;
    width: 100%;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    width: 100%;
    min-height: calc(100vh - 75px);
}

/* ---------- 5. LEFT COLUMN: FORMS (approx 60%) ---------- */
.checkout-main {
    padding: 36px 48px 64px 32px;
    background: #FFFFFF;
}

/* Breadcrumb nav */
.checkout-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-gray, #6E6E6E);
    margin-bottom: 28px;
}

.checkout-breadcrumbs a {
    color: var(--text-gray, #6E6E6E);
    transition: color 150ms ease;
    text-decoration: none;
}

.checkout-breadcrumbs a:hover {
    color: var(--black, #111111);
}

.checkout-breadcrumbs__current {
    color: var(--black, #111111);
    font-weight: 600;
}

.checkout-breadcrumbs__sep {
    font-size: 11px;
    color: #C4C4C4;
}

/* Sections */
.checkout-section {
    margin-bottom: 32px;
}

.checkout-section__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 16px;
}

.checkout-section__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--black, #111111);
    letter-spacing: -0.01em;
}

.checkout-section__login-link {
    font-size: 12.5px;
    color: var(--text-gray, #6E6E6E);
    text-decoration: none;
}

.checkout-section__login-link a {
    color: var(--black, #111111);
    text-decoration: underline;
    font-weight: 500;
}

/* Form controls */
.form-group {
    margin-bottom: 14px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-label {
    display: block;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #4A4A4A;
    margin-bottom: 6px;
}

.form-input,
.form-select {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid #D5D3CE;
    border-radius: 3px;
    background: #FFFFFF;
    font-size: 13.5px;
    color: var(--black, #111111);
    font-family: inherit;
    outline: none;
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.form-input::placeholder {
    color: #9E9E9E;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--black, #111111);
    box-shadow: 0 0 0 1px var(--black, #111111);
}

.form-input.is-error,
.form-select.is-error {
    border-color: #D32F2F !important;
    background-color: #FFF9F9 !important;
    box-shadow: 0 0 0 1px #D32F2F !important;
}

.field-error-msg {
    display: block;
    font-size: 11.5px;
    color: #D32F2F;
    margin-top: 5px;
    font-weight: 500;
    line-height: 1.35;
    animation: fieldFadeIn 0.2s ease;
}

@keyframes fieldFadeIn {
    from {
        opacity: 0;
        transform: translateY(-3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-hint {
    font-size: 11.5px;
    color: var(--text-gray, #6E6E6E);
    margin-top: 5px;
}

/* Custom checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    cursor: pointer;
    user-select: none;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--black, #111111);
    cursor: pointer;
}

.checkbox-group span {
    font-size: 13px;
    color: #333333;
}

/* Shipping Method Section Card */
.shipping-method-box {
    border: 1px solid var(--border, #E5E3DE);
    border-radius: 4px;
    background: #FAF9F7;
    padding: 16px 18px;
    transition: all 0.25s ease;
}

.shipping-method-placeholder {
    font-size: 13px;
    color: var(--text-gray, #6E6E6E);
    line-height: 1.5;
}

/* Dynamic Shipping Options Group */
.shipping-options-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.shipping-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: #FFFFFF;
    border: 1.5px solid var(--border, #E5E3DE);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.25s ease;
    user-select: none;
}

.shipping-option:hover {
    border-color: #BDBDBD;
}

.shipping-option.is-selected {
    border-color: var(--black, #111111);
    background: #FAF9F7;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.shipping-option__left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.shipping-option__left input[type="radio"] {
    width: 17px;
    height: 17px;
    accent-color: var(--black, #111111);
    cursor: pointer;
}

.shipping-option__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.shipping-option__title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--black, #111111);
}

.shipping-option__time {
    font-size: 12px;
    color: var(--text-gray, #6E6E6E);
}

.shipping-option__price {
    font-size: 13px;
    font-weight: 700;
    color: var(--black, #111111);
}

.shipping-badge-free {
    background: #E8F5E9;
    color: #2E7D32;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* Payment Methods Section */
.payment-methods-box {
    border: 1.5px solid var(--border, #E5E3DE);
    border-radius: 4px;
    overflow: hidden;
    background: #FFFFFF;
}

.payment-option {
    border-bottom: 1px solid var(--border, #E5E3DE);
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.payment-option:last-child {
    border-bottom: none;
}

.payment-option__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    cursor: pointer;
    background: #FFFFFF;
    transition: background 0.25s ease;
}

.payment-option.is-selected {
    background: #FBFBF9;
}

.payment-option.is-selected .payment-option__header {
    background: #F7F5F0;
}

.payment-option__left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.payment-option__left input[type="radio"] {
    width: 17px;
    height: 17px;
    accent-color: var(--black, #111111);
    cursor: pointer;
}

.payment-option__title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--black, #111111);
}

.payment-option__icons {
    display: flex;
    align-items: center;
    gap: 6px;
}

.payment-option__body {
    padding: 16px 18px 20px 45px;
    background: #FAF9F7;
    border-top: 1px solid var(--border, #E5E3DE);
    font-size: 13px;
    color: var(--text-gray, #6E6E6E);
    line-height: 1.5;
}

.card-fields {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

/* Complete Order Button Row */
.checkout-actions-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border, #E5E3DE);
}

.checkout-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-gray, #6E6E6E);
    text-decoration: none;
    transition: color 150ms ease;
}

.checkout-back-link:hover {
    color: var(--black, #111111);
}

.complete-order-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 54px;
    padding: 0 36px;
    background: var(--black, #111111);
    color: var(--white, #FFFFFF);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border-radius: 2px;
    border: 1.5px solid var(--black, #111111);
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.complete-order-btn svg {
    stroke: currentColor;
    transition: stroke 0.25s ease, transform 0.25s ease;
}

.complete-order-btn:hover:not(:disabled) {
    background: #FFFFFF !important;
    color: var(--black, #111111) !important;
    border-color: #FFFFFF !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.14);
    transform: translateY(-1px);
}

.complete-order-btn:hover:not(:disabled) svg {
    stroke: var(--black, #111111) !important;
    transform: translateX(4px);
}

.complete-order-btn:disabled {
    opacity: 0.45 !important;
    cursor: not-allowed !important;
    background: #D5D3CE !important;
    color: #888888 !important;
    border-color: #D5D3CE !important;
    box-shadow: none !important;
    transform: none !important;
    pointer-events: none !important;
}

/* Spinner for Processing state */
.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: btnSpin 0.75s linear infinite;
    display: inline-block;
    flex-shrink: 0;
}

@keyframes btnSpin {
    to {
        transform: rotate(360deg);
    }
}

/* Footer links */
.checkout-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid #EDEDEA;
    font-size: 11px;
    color: var(--text-gray, #6E6E6E);
}

.checkout-footer-links a {
    color: var(--text-gray, #6E6E6E);
    text-decoration: none;
}

.checkout-footer-links a:hover {
    color: var(--black, #111111);
    text-decoration: underline;
}

/* ---------- 6. RIGHT COLUMN: STICKY ORDER SUMMARY (approx 40%) ---------- */
.checkout-sidebar {
    background: #FAF9F7;
    border-left: 1px solid var(--border, #E5E3DE);
    padding: 36px 32px 64px 44px;
}

.checkout-summary-sticky {
    position: sticky;
    top: 24px;
}

.checkout-summary__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--black, #111111);
    letter-spacing: -0.01em;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.checkout-summary__count {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-gray, #6E6E6E);
    background: #EDEAE4;
    padding: 3px 9px;
    border-radius: 999px;
}

/* Items List */
.summary-items-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 6px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border, #E5E3DE);
    padding-bottom: 20px;
}

.summary-items-list::-webkit-scrollbar {
    width: 4px;
}

.summary-items-list::-webkit-scrollbar-thumb {
    background: #D5D3CE;
    border-radius: 4px;
}

/* Structure matching user request:
   <div class="summary-item">
   Left: Image thumbnail and product title (with variant below)
   Right: Quantity and line price
   </div>
*/
.summary-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.summary-item__left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.summary-item__thumb-wrap {
    position: relative;
    width: 62px;
    height: 78px;
    background: #FFFFFF;
    border: 1px solid var(--border, #E5E3DE);
    border-radius: 3px;
    overflow: visible;
    flex-shrink: 0;
}

.summary-item__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 2px;
}

.summary-item__qty-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #4A4A4A;
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.summary-item__info {
    min-width: 0;
}

.summary-item__title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--black, #111111);
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
}

.summary-item__variant {
    font-size: 11.5px;
    color: var(--text-gray, #6E6E6E);
}

.summary-item__right {
    text-align: right;
    flex-shrink: 0;
}

.summary-item__price {
    font-size: 14px;
    font-weight: 700;
    color: var(--black, #111111);
}

.summary-item__unit-qty {
    font-size: 11px;
    color: var(--text-gray, #6E6E6E);
    margin-top: 2px;
}

/* Discount Code Input Box */
.checkout-discount-wrap {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border, #E5E3DE);
}

.checkout-discount-field {
    display: flex;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.checkout-discount-field input {
    flex: 1;
    min-width: 0;
    box-sizing: border-box;
    height: 44px;
    padding: 0 14px;
    border: 1px solid var(--border, #E5E3DE);
    border-radius: 3px;
    background: #FFFFFF;
    font-size: 12.5px;
    color: var(--black, #111111);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    outline: none;
    transition: border-color 150ms ease;
}

.checkout-discount-field input:focus {
    border-color: var(--black, #111111);
}

.checkout-discount-btn {
    height: 44px;
    padding: 0 20px;
    background: var(--black, #111111);
    color: #FFFFFF;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 3px;
    border: 1.5px solid var(--black, #111111);
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}

.checkout-discount-btn:hover:not(:disabled) {
    background: #FFFFFF !important;
    color: var(--black, #111111) !important;
    border-color: #FFFFFF !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.checkout-discount-btn:disabled {
    opacity: 0.45 !important;
    cursor: not-allowed !important;
    background: #D5D3CE !important;
    color: #888888 !important;
    border-color: #D5D3CE !important;
    pointer-events: none !important;
}

.checkout-coupon-msg {
    margin-top: 8px;
    font-size: 12px;
    font-weight: 500;
}

.checkout-coupon-msg.is-success {
    color: #2E7D32;
}

.checkout-coupon-msg.is-error {
    color: #D32F2F;
}

/* Cost Summary Breakdown */
.cost-summary {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border, #E5E3DE);
}

.cost-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13.5px;
    color: #4A4A4A;
}

.cost-line span:last-child {
    font-weight: 600;
    color: var(--black, #111111);
}

.cost-line--discount {
    color: #2E7D32;
}

.cost-line--discount span:last-child {
    color: #2E7D32;
    font-weight: 700;
}

/* Total Line */
.cost-total-line {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.cost-total-label {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--black, #111111);
}

.cost-total-currency {
    font-size: 11px;
    color: var(--text-gray, #6E6E6E);
    font-weight: 500;
    margin-left: 4px;
}

.cost-total-amount {
    font-size: 22px;
    font-weight: 800;
    color: var(--black, #111111);
    letter-spacing: -0.02em;
}

/* Guarantees Strip */
.checkout-guarantee {
    margin-top: 24px;
    padding: 16px;
    background: #FFFFFF;
    border: 1px solid var(--border, #E5E3DE);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkout-guarantee svg {
    color: var(--accent, #B79A68);
    flex-shrink: 0;
}

.checkout-guarantee p {
    font-size: 11.5px;
    color: var(--text-gray, #6E6E6E);
    line-height: 1.4;
}

.checkout-guarantee strong {
    color: var(--black, #111111);
}

/* ---------- 7. ORDER SUCCESS CONFIRMATION MODAL ---------- */
.order-success-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(17, 17, 17, 0.72);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 300ms ease, visibility 300ms ease;
}

.order-success-modal.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.order-success-card {
    background: #FFFFFF;
    max-width: 540px;
    width: 100%;
    border-radius: 6px;
    padding: 40px 36px;
    text-align: center;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
    transform: scale(0.92);
    opacity: 0;
    transition: transform 300ms cubic-bezier(.16, 1, .3, 1), opacity 300ms ease;
}

.order-success-modal.is-active .order-success-card {
    transform: scale(1);
    opacity: 1;
}

.order-success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #E8F5E9;
    color: #2E7D32;
    display: grid;
    place-items: center;
    margin: 0 auto 20px;
}

.order-success-icon svg {
    width: 36px;
    height: 36px;
}

.order-success-title {
    font-family: var(--font-serif, 'Playfair Display', Georgia, serif);
    font-size: 26px;
    font-weight: 700;
    color: var(--black, #111111);
    margin-bottom: 8px;
}

.order-success-ref {
    font-size: 13px;
    color: var(--text-gray, #6E6E6E);
    margin-bottom: 20px;
}

.order-success-ref strong {
    color: var(--black, #111111);
    letter-spacing: 0.05em;
}

.order-success-details {
    background: #FAF9F7;
    border: 1px solid var(--border, #E5E3DE);
    border-radius: 4px;
    padding: 16px 20px;
    text-align: left;
    margin-bottom: 24px;
    font-size: 13px;
    line-height: 1.6;
}

.order-success-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    padding: 0 32px;
    background: var(--black, #111111);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: 2px;
    border: 1.5px solid var(--black, #111111);
    text-decoration: none;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.order-success-btn:hover {
    background: #FFFFFF !important;
    color: var(--black, #111111) !important;
    border-color: #FFFFFF !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

/* ---------- 7b. CHECKOUT QUICK LOGIN MODAL ---------- */
.checkout-login-modal {
    position: fixed;
    inset: 0;
    z-index: 1050;
    background: rgba(17, 17, 17, 0.72);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 300ms ease, visibility 300ms ease;
}

.checkout-login-modal.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.checkout-login-card {
    position: relative;
    background: #FFFFFF;
    max-width: 440px;
    width: 100%;
    border-radius: 6px;
    padding: 36px 32px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
    transform: scale(0.94);
    opacity: 0;
    transition: transform 300ms cubic-bezier(.16, 1, .3, 1), opacity 300ms ease;
}

.checkout-login-modal.is-active .checkout-login-card {
    transform: scale(1);
    opacity: 1;
}

.checkout-login-close {
    position: absolute;
    top: 16px;
    right: 18px;
    background: transparent;
    border: none;
    font-size: 26px;
    line-height: 1;
    color: #888;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.2s ease;
}

.checkout-login-close:hover {
    color: #111;
}

.checkout-login-eyebrow {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #b79a68;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.checkout-login-title {
    font-family: var(--font-serif, 'Playfair Display', Georgia, serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--black, #111111);
    margin-bottom: 6px;
}

.checkout-login-sub {
    font-size: 13px;
    color: var(--text-gray, #6E6E6E);
    margin-bottom: 20px;
    line-height: 1.5;
}

.checkout-login-alert {
    padding: 10px 14px;
    margin-bottom: 16px;
    border-radius: 4px;
    font-size: 12.5px;
    line-height: 1.4;
    background: #FEE2E2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
}

.checkout-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    background: var(--black, #111111);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1.5px solid var(--black, #111111);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.checkout-login-btn:hover {
    background: #FFFFFF;
    color: var(--black, #111111);
    border-color: #111111;
}

.checkout-login-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.checkout-login-footer {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border, #E5E3DE);
    text-align: center;
    font-size: 12.5px;
    color: #6E6E6E;
}

.checkout-login-footer a {
    color: #b79a68;
    font-weight: 600;
    text-decoration: none;
}

.checkout-login-footer a:hover {
    text-decoration: underline;
}

.checkout-login-guest-btn {
    display: inline-block;
    background: none;
    border: none;
    color: #888;
    font-size: 12px;
    margin-top: 10px;
    cursor: pointer;
    text-decoration: underline;
    padding: 4px;
}

.checkout-login-guest-btn:hover {
    color: #111;
}

.checkout-user-status {
    font-size: 12.5px;
    color: #555;
}

.checkout-user-status strong {
    color: #111;
}

.checkout-logout-btn {
    background: none;
    border: none;
    color: #b79a68;
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
    padding: 0 4px;
}

.checkout-logout-btn:hover {
    color: #111;
}

/* ---------- 8. RESPONSIVE DESIGN ---------- */
@keyframes summarySlideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 1. Medium Screens / Tablets (<= 992px) */
@media (max-width: 992px) {
    .checkout-wrapper {
        width: 100%;
        max-width: 100%;
    }

    .checkout-grid {
        display: flex;
        flex-direction: column;
        width: 100%;
        min-height: auto;
    }

    .mobile-summary-toggle {
        display: block;
        padding: 14px 20px;
    }

    /* Puts the collapsible sidebar immediately under the mobile summary toggle button */
    .checkout-sidebar {
        order: -1;
        border-left: none;
        border-bottom: 1px solid var(--border, #E5E3DE);
        padding: 22px 20px 28px;
        display: none;
        width: 100%;
        box-sizing: border-box;
    }

    .checkout-sidebar.is-open {
        display: block;
        animation: summarySlideDown 0.25s ease-out;
    }

    .checkout-summary-sticky {
        position: static;
    }

    .checkout-main {
        order: 1;
        padding: 28px 20px 48px;
        width: 100%;
        box-sizing: border-box;
    }

    .checkout-header__secure {
        display: none;
    }
}

/* 2. Tablets & Landscape Phones (<= 768px) */
@media (max-width: 768px) {
    /* Prevent iOS auto-zoom on form inputs by requiring >=16px font */
    .form-input,
    .form-select,
    .checkout-discount-field input,
    .checkout-login-modal .form-input {
        font-size: 16px !important;
        height: 48px;
    }

    .checkout-breadcrumbs {
        flex-wrap: wrap;
        gap: 6px;
        font-size: 11.5px;
        margin-bottom: 22px;
    }

    .checkout-section {
        margin-bottom: 26px;
    }

    .checkout-section__head {
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 12px;
    }

    .checkout-section__title {
        font-size: 16px;
    }

    .summary-items-list {
        max-height: 280px;
    }
}

/* 3. Standard Mobile Phones (<= 600px) */
@media (max-width: 600px) {
    .checkout-main {
        padding: 18px 14px 40px;
    }

    .checkout-sidebar {
        padding: 16px 14px 24px;
    }

    .mobile-summary-toggle {
        padding: 14px 14px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Retain MM/YY and CVV side-by-side on mobile */
    .card-fields .form-row {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px;
    }

    .payment-option__header {
        padding: 13px 12px;
    }

    .payment-option__body {
        padding: 12px 12px 14px;
    }

    .shipping-option {
        padding: 12px 12px;
        gap: 10px;
    }

    .shipping-option__left {
        gap: 10px;
        min-width: 0;
        flex: 1;
    }

    .shipping-option__title {
        font-size: 13px;
    }

    .shipping-option__time {
        font-size: 11px;
    }

    .shipping-option__price {
        font-size: 12.5px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .summary-item {
        gap: 12px;
    }

    .summary-item__left {
        gap: 12px;
        min-width: 0;
        flex: 1;
    }

    .summary-item__thumb-wrap {
        width: 52px;
        height: 66px;
    }

    .summary-item__title {
        font-size: 12.5px;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .summary-item__price {
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .checkout-actions-row {
        flex-direction: column-reverse;
        gap: 14px;
        align-items: stretch;
        margin-top: 24px;
        padding-top: 20px;
    }

    .complete-order-btn {
        width: 100%;
        height: 52px;
        font-size: 12.5px;
        letter-spacing: 0.1em;
    }

    .checkout-back-link {
        text-align: center;
        justify-content: center;
        padding: 8px 0;
    }

    .checkout-footer-links {
        justify-content: center;
        text-align: center;
        gap: 10px 14px;
        margin-top: 32px;
        padding-top: 16px;
    }

    /* Modal Dialogs */
    .order-success-modal,
    .checkout-login-modal {
        padding: 14px;
    }

    .order-success-card {
        padding: 24px 16px;
        border-radius: 6px;
        max-height: 90vh;
        overflow-y: auto;
    }

    .order-success-title {
        font-size: 20px;
    }

    .order-success-details {
        padding: 12px 14px;
        font-size: 12px;
    }

    .order-success-btn {
        width: 100%;
        height: 46px;
        font-size: 11.5px;
    }

    .checkout-login-card {
        padding: 24px 16px 20px;
        border-radius: 6px;
        max-height: 90vh;
        overflow-y: auto;
    }

    .checkout-login-close {
        top: 10px;
        right: 12px;
        font-size: 26px;
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .checkout-login-title {
        font-size: 20px;
    }

    .checkout-login-sub {
        font-size: 12px;
        margin-bottom: 16px;
    }
}

/* 4. Ultra-Compact Mobile Phones (<= 360px) */
@media (max-width: 360px) {
    .checkout-main {
        padding: 14px 10px 32px;
    }

    .checkout-sidebar {
        padding: 14px 10px 20px;
    }

    .mobile-summary-toggle {
        padding: 12px 10px;
        font-size: 12.5px;
    }

    .mobile-summary-toggle__price {
        font-size: 13.5px;
    }

    .cost-total-amount {
        font-size: 18px;
    }
}