/* Smart Bundles & Kit Builder - Frontend Styles */

:root {
    --sbkb-primary: #6366f1;
    --sbkb-primary-dark: #4f46e5;
    --sbkb-bg: #ffffff;
    --sbkb-text: #1e293b;
    --sbkb-text-light: #64748b;
    --sbkb-border: #e2e8f0;
    --sbkb-radius: 8px;
    --sbkb-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --sbkb-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
    --sbkb-transition: all 0.15s ease;
}

/* Wizard Container */
.sbkb-wizard {
    max-width: 1200px;
    margin: 2rem auto;
    background: var(--sbkb-bg);
    border-radius: var(--sbkb-radius);
    box-shadow: var(--sbkb-shadow-lg);
    overflow: hidden;
}

.sbkb-wizard-header {
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--sbkb-border);
}

.sbkb-wizard-featured {
    text-align: center;
    margin-bottom: 1rem;
}

.sbkb-wizard-featured img {
    max-width: 200px;
    border-radius: var(--sbkb-radius);
}

.sbkb-wizard-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sbkb-text);
    margin: 0 0 0.5rem;
}

.sbkb-wizard-description {
    color: var(--sbkb-text-light);
    margin-bottom: 1rem;
}

.sbkb-wizard-lead-text {
    padding: 0.75rem 1rem;
    background: #eff6ff;
    border-left: 3px solid var(--sbkb-primary);
    border-radius: 4px;
    color: var(--sbkb-text);
    font-size: 0.95rem;
}

/* Progress Bar */
.sbkb-progress-bar {
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 1.5rem;
}

.sbkb-progress-line .sbkb-progress-step {
    flex: 1;
    height: 3px;
    background: var(--sbkb-border);
    border-radius: 2px;
}

.sbkb-progress-line .sbkb-progress-step:first-child {
    border-radius: 2px 0 0 2px;
}

.sbkb-progress-line .sbkb-progress-step:last-child {
    border-radius: 0 2px 2px 0;
}

.sbkb-progress-line .sbkb-progress-step.sbkb-active,
.sbkb-progress-line .sbkb-progress-step.sbkb-complete {
    background: var(--sbkb-primary);
}

.sbkb-progress-segmented .sbkb-progress-step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--sbkb-border);
    color: var(--sbkb-text-light);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--sbkb-transition);
}

.sbkb-progress-segmented .sbkb-progress-step + .sbkb-progress-step {
    margin-left: -10px;
}

.sbkb-progress-segmented .sbkb-progress-step.sbkb-active,
.sbkb-progress-segmented .sbkb-progress-step.sbkb-complete {
    background: var(--sbkb-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.sbkb-progress-none {
    display: none;
}

/* Wizard Body */
.sbkb-wizard-body {
    padding: 2rem;
}

.sbkb-step-panel {
    animation: sbkb-fadeIn 0.3s ease;
}

@keyframes sbkb-fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.sbkb-step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sbkb-text);
    margin: 0 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sbkb-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--sbkb-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Product Grid */
.sbkb-step-products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.sbkb-step-products[data-ui="list"] {
    grid-template-columns: 1fr;
}

.sbkb-step-products[data-ui="dropdown"] {
    grid-template-columns: 1fr;
}

.sbkb-product-card {
    border: 2px solid var(--sbkb-border);
    border-radius: var(--sbkb-radius);
    padding: 1rem;
    cursor: pointer;
    transition: var(--sbkb-transition);
    text-align: center;
    position: relative;
    background: #fff;
}

.sbkb-product-card:hover {
    border-color: var(--sbkb-primary);
    box-shadow: var(--sbkb-shadow);
    transform: translateY(-2px);
}

.sbkb-product-card.sbkb-selected {
    border-color: var(--sbkb-primary);
    background: #f0f0ff;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.sbkb-product-card.sbkb-recommended::after {
    content: 'Recommended';
    position: absolute;
    top: -8px;
    right: 8px;
    background: #10b981;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.sbkb-product-card.sbkb-hidden {
    display: none;
}

.sbkb-product-image {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    background: #f8fafc;
}

.sbkb-product-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--sbkb-text);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sbkb-product-price {
    color: var(--sbkb-primary);
    font-weight: 700;
    font-size: 1rem;
}

.sbkb-product-price .sbkb-sale-price {
    color: #ef4444;
}

.sbkb-product-regular-price {
    text-decoration: line-through;
    color: var(--sbkb-text-light);
    font-size: 0.85rem;
    margin-right: 0.25rem;
}

.sbkb-product-select {
    margin-top: 0.75rem;
    padding: 0.4rem 1rem;
    background: var(--sbkb-primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--sbkb-transition);
}

.sbkb-product-select:hover {
    background: var(--sbkb-primary-dark);
}

.sbkb-product-select.sbkb-selected-btn {
    background: #10b981;
}

/* Product List UI */
.sbkb-step-products[data-ui="list"] .sbkb-product-card {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 1rem;
    padding: 0.75rem;
}

.sbkb-step-products[data-ui="list"] .sbkb-product-image {
    width: 60px;
    height: 60px;
    margin: 0;
    flex-shrink: 0;
}

.sbkb-step-products[data-ui="list"] .sbkb-product-info {
    flex: 1;
}

/* Product Dropdown UI */
.sbkb-step-products[data-ui="dropdown"] .sbkb-product-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.sbkb-step-products[data-ui="dropdown"] .sbkb-product-image {
    width: 50px;
    height: 50px;
    margin: 0;
}

.sbkb-step-products[data-ui="dropdown"] .sbkb-product-info {
    flex: 1;
}

/* Loading */
.sbkb-step-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--sbkb-text-light);
}

.sbkb-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--sbkb-border);
    border-top-color: var(--sbkb-primary);
    border-radius: 50%;
    animation: sbkb-spin 0.6s linear infinite;
}

@keyframes sbkb-spin {
    to { transform: rotate(360deg); }
}

/* Wizard Footer */
.sbkb-wizard-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--sbkb-border);
    background: #f8fafc;
}

.sbkb-wizard-summary h4 {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.sbkb-summary-list {
    margin-bottom: 1rem;
    max-height: 150px;
    overflow-y: auto;
}

.sbkb-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--sbkb-border);
}

.sbkb-summary-item-name {
    color: var(--sbkb-text);
}

.sbkb-summary-item-step {
    color: var(--sbkb-text-light);
    font-size: 0.8rem;
}

.sbkb-summary-item-price {
    font-weight: 600;
    color: var(--sbkb-text);
}

.sbkb-summary-totals {
    padding-top: 0.75rem;
    border-top: 2px solid var(--sbkb-border);
}

.sbkb-summary-original,
.sbkb-summary-discount,
.sbkb-summary-total {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.9rem;
}

.sbkb-summary-total {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--sbkb-text);
    padding-top: 0.5rem;
    border-top: 1px solid var(--sbkb-border);
    margin-top: 0.25rem;
}

.sbkb-summary-discount .sbkb-discount-amount {
    color: #10b981;
    font-weight: 600;
}

/* Navigation */
.sbkb-wizard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

.sbkb-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--sbkb-radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sbkb-transition);
}

.sbkb-btn-primary {
    background: var(--sbkb-primary);
    color: #fff;
}

.sbkb-btn-primary:hover {
    background: var(--sbkb-primary-dark);
}

.sbkb-btn-secondary {
    background: transparent;
    border-color: var(--sbkb-border);
    color: var(--sbkb-text-light);
}

.sbkb-btn-secondary:hover {
    border-color: var(--sbkb-text-light);
    color: var(--sbkb-text);
}

.sbkb-btn-add-cart {
    background: #10b981;
    color: #fff;
}

.sbkb-btn-add-cart:hover {
    background: #059669;
}

/* Validation */
.sbkb-validation-error {
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 4px;
    color: #dc2626;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Build Button on Product Page */
.sbkb-build-btn {
    display: inline-block;
}

/* Responsive */
@media (max-width: 768px) {
    .sbkb-wizard {
        margin: 1rem;
    }

    .sbkb-wizard-header,
    .sbkb-wizard-body,
    .sbkb-wizard-footer {
        padding: 1rem;
    }

    .sbkb-wizard-title {
        font-size: 1.35rem;
    }

    .sbkb-step-products {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .sbkb-wizard-nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .sbkb-btn {
        width: 100%;
    }
}

/* Preorder and waitlist */
.sbkb-preorder-banner {
    margin: 18px 0;
    padding: 16px;
    border-radius: 18px;
    background: linear-gradient(135deg, #fff7ed, #fffbeb);
    border: 1px solid #fed7aa;
    color: #7c2d12;
}
.sbkb-preorder-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: #ea580c;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}
.sbkb-preorder-banner h3 {
    margin: 4px 0 6px;
}
.sbkb-preorder-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
    font-size: 13px;
}
.sbkb-preorder-meta span {
    background: rgba(255,255,255,.7);
    border: 1px solid rgba(251,146,60,.35);
    border-radius: 999px;
    padding: 4px 10px;
}
.sbkb-preorder-terms {
    margin: 14px 0;
    padding: 12px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}
.sbkb-preorder-terms label {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}
.sbkb-preorder-payment-summary {
    margin-top: 8px;
    padding: 10px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    font-size: 13px;
}
.sbkb-waitlist-gate {
    margin: 18px 0;
}
.sbkb-waitlist-form-wrap {
    padding: 18px;
    border-radius: 20px;
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
    border: 1px solid #c7d2fe;
}
.sbkb-waitlist-form-wrap h3 {
    margin-top: 0;
}
.sbkb-waitlist-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 14px 0;
}
.sbkb-waitlist-grid label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
}
.sbkb-waitlist-grid em {
    color: #dc2626;
    font-style: normal;
}
.sbkb-waitlist-grid input,
.sbkb-waitlist-grid textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 9px 11px;
    background: #fff;
}
.sbkb-waitlist-note {
    grid-column: 1 / -1;
}
.sbkb-waitlist-response {
    margin-top: 10px;
    font-size: 13px;
    font-weight: 600;
}
.sbkb-waitlist-response.is-success { color: #166534; }
.sbkb-waitlist-response.is-error { color: #b91c1c; }
@media (max-width: 768px) {
    .sbkb-waitlist-grid {
        grid-template-columns: 1fr;
    }
}
.sbkb-product-card.sbkb-disabled {
    opacity: .55;
    cursor: not-allowed;
}
.sbkb-product-card.sbkb-disabled .sbkb-btn-select {
    cursor: not-allowed;
}
.sbkb-product-stock.sbkb-out-of-stock {
    color: #b91c1c;
    font-size: 12px;
    font-weight: 700;
    margin-top: 4px;
}

/* Variable products, quantity controls, and grouped cart rows */
.sbkb-variation-controls,
.sbkb-quantity-controls {
    margin-top: 12px;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #f8fafc;
}

.sbkb-variation-title,
.sbkb-qty-label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.sbkb-variation-field {
    display: block;
    margin-bottom: 10px;
}

.sbkb-variation-field span {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    color: #334155;
}

.sbkb-variation-field select,
.sbkb-dropdown-select {
    width: 100%;
    min-height: 40px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #fff;
    padding: 6px 10px;
}

.sbkb-variation-feedback {
    min-height: 18px;
    font-size: 12px;
    color: #64748b;
}

.sbkb-variation-feedback.is-success {
    color: #047857;
}

.sbkb-variation-feedback.is-error {
    color: #dc2626;
}

.sbkb-quantity-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.sbkb-quantity-controls .sbkb-qty-label {
    flex-basis: 100%;
    margin-bottom: 0;
}

.sbkb-qty-minus,
.sbkb-qty-plus {
    width: 34px;
    height: 34px;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: #fff;
    color: #0f172a;
    font-weight: 700;
    cursor: pointer;
}

.sbkb-product-qty {
    width: 76px;
    height: 34px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    text-align: center;
}

.sbkb-summary-item-qty {
    font-size: 12px;
    font-weight: 700;
    color: #475569;
}

.sbkb-summary-variation {
    display: block;
    margin-top: 3px;
    color: #64748b;
    font-size: 12px;
}

.sbkb-dropdown-product-controls {
    margin-top: 12px;
}

.woocommerce-cart-form .cart_item.sbkb-cart-kit-item td,
.woocommerce-checkout-review-order-table .cart_item.sbkb-cart-kit-item td {
    background: #f8fafc;
}

.woocommerce-cart-form .cart_item.sbkb-cart-kit-lead td,
.woocommerce-checkout-review-order-table .cart_item.sbkb-cart-kit-lead td {
    border-top: 2px solid #6366f1;
}

.woocommerce-cart-form .cart_item.sbkb-cart-kit-child td,
.woocommerce-checkout-review-order-table .cart_item.sbkb-cart-kit-child td {
    border-top: 1px dashed #e2e8f0;
}

.sbkb-cart-kit-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
}

.sbkb-cart-kit-label {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.sbkb-cart-kit-product {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sbkb-cart-kit-step {
    display: inline-block;
    width: fit-content;
    padding: 2px 8px;
    border-radius: 999px;
    background: #e2e8f0;
    color: #334155;
    font-size: 11px;
    font-weight: 700;
}

.sbkb-cart-kit-variation {
    color: #64748b;
}

.sbkb-cart-kit-child-remove {
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
}

/* -------------------------------------------------------------------------
 * SBKB Modern Luxury Frontend UI - v1.3.3
 * ------------------------------------------------------------------------- */
:root {
    --sbkb-primary: #635bff;
    --sbkb-primary-dark: #4f46e5;
    --sbkb-primary-soft: #eef2ff;
    --sbkb-accent: #06b6d4;
    --sbkb-success: #10b981;
    --sbkb-danger: #ef4444;
    --sbkb-bg: #ffffff;
    --sbkb-surface: rgba(255, 255, 255, .88);
    --sbkb-soft: #f8fafc;
    --sbkb-text: #0f172a;
    --sbkb-text-light: #64748b;
    --sbkb-border: #e5e7eb;
    --sbkb-radius: 26px;
    --sbkb-radius-sm: 16px;
    --sbkb-shadow: 0 12px 35px rgba(15, 23, 42, .08);
    --sbkb-shadow-lg: 0 30px 80px rgba(15, 23, 42, .14);
    --sbkb-transition: all .25s cubic-bezier(.2,.8,.2,1);
}

.sbkb-wizard,
.sbkb-wizard * {
    box-sizing: border-box;
}

.sbkb-wizard {
    width: min(1320px, calc(100% - 32px));
    max-width: 1320px;
    margin: clamp(24px, 4vw, 56px) auto;
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
    grid-template-areas:
        "header header"
        "body footer";
    overflow: visible;
    border: 1px solid rgba(226, 232, 240, .88);
    border-radius: 34px;
    background:
        radial-gradient(circle at 10% 0%, rgba(99, 91, 255, .13), transparent 32%),
        radial-gradient(circle at 92% 18%, rgba(6, 182, 212, .15), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.96));
    box-shadow: var(--sbkb-shadow-lg);
    color: var(--sbkb-text);
    isolation: isolate;
}

.sbkb-wizard::before {
    content: '';
    position: absolute;
    inset: 14px;
    z-index: -1;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(99,91,255,.16), rgba(6,182,212,.08), rgba(16,185,129,.07));
    filter: blur(28px);
    opacity: .75;
}

.sbkb-wizard-header {
    grid-area: header;
    position: relative;
    padding: clamp(28px, 4vw, 52px) clamp(24px, 5vw, 64px) clamp(22px, 3vw, 34px);
    border: 0;
    border-bottom: 1px solid rgba(226, 232, 240, .75);
    border-radius: 34px 34px 0 0;
    background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(248,250,252,.72)),
        radial-gradient(circle at 50% -35%, rgba(99,91,255,.22), transparent 44%);
    text-align: center;
    overflow: hidden;
}

.sbkb-wizard-header::after {
    content: '';
    position: absolute;
    width: 190px;
    height: 190px;
    border-radius: 999px;
    background: rgba(99,91,255,.10);
    right: -70px;
    top: -70px;
}

.sbkb-wizard-featured img {
    max-width: 180px;
    padding: 14px;
    border-radius: 28px;
    background: rgba(255,255,255,.8);
    box-shadow: 0 18px 45px rgba(15,23,42,.12);
}

.sbkb-wizard-title {
    margin: 0 0 12px;
    color: #111827;
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1.15;
    font-weight: 900;
    letter-spacing: -.04em;
}

.sbkb-wizard-description {
    max-width: 760px;
    margin: 0 auto 16px;
    color: #526176;
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.85;
}

.sbkb-wizard-lead-text {
    width: min(920px, 100%);
    margin: 18px auto 0;
    padding: 16px 22px;
    border: 1px solid rgba(99,91,255,.18);
    border-inline-start: 5px solid var(--sbkb-primary);
    border-radius: 20px;
    background: rgba(238,242,255,.74);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
    color: #18233a;
    font-size: 15px;
    line-height: 1.8;
}

.sbkb-progress-bar {
    width: min(680px, 100%);
    margin: 28px auto 0;
}

.sbkb-progress-line .sbkb-progress-step {
    height: 8px;
    background: rgba(203,213,225,.65);
    border-radius: 999px;
    overflow: hidden;
}

.sbkb-progress-line .sbkb-progress-step.sbkb-active,
.sbkb-progress-line .sbkb-progress-step.sbkb-complete {
    background: linear-gradient(90deg, var(--sbkb-primary), var(--sbkb-accent));
    box-shadow: 0 7px 18px rgba(99,91,255,.25);
}

.sbkb-progress-segmented {
    justify-content: center;
    gap: 10px;
}

.sbkb-progress-segmented .sbkb-progress-step {
    width: 44px;
    height: 44px;
    margin: 0 !important;
    border: 1px solid rgba(148,163,184,.35);
    background: rgba(255,255,255,.8);
    box-shadow: 0 10px 25px rgba(15,23,42,.08);
}

.sbkb-progress-segmented .sbkb-progress-step.sbkb-active,
.sbkb-progress-segmented .sbkb-progress-step.sbkb-complete {
    border-color: rgba(99,91,255,.35);
    background: linear-gradient(135deg, var(--sbkb-primary), var(--sbkb-accent));
    color: #fff;
}

.sbkb-wizard-body {
    grid-area: body;
    min-height: 520px;
    padding: clamp(24px, 3vw, 40px);
    border-radius: 0 0 0 34px;
    background: rgba(255,255,255,.72);
}

.sbkb-step-panel {
    animation: sbkb-modern-fade .34s ease both;
}

@keyframes sbkb-modern-fade {
    from { opacity: 0; transform: translateY(12px) scale(.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.sbkb-step-title {
    width: fit-content;
    max-width: 100%;
    margin: 0 0 26px auto;
    padding: 12px 16px;
    border: 1px solid rgba(226,232,240,.9);
    border-radius: 999px;
    background: rgba(255,255,255,.86);
    box-shadow: 0 12px 28px rgba(15,23,42,.07);
    color: #0f172a;
    font-size: clamp(18px, 2vw, 24px);
    line-height: 1.35;
    font-weight: 850;
}

body:not(.rtl) .sbkb-step-title {
    margin-left: 0;
    margin-right: auto;
}

.sbkb-step-number {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--sbkb-primary), var(--sbkb-accent));
    box-shadow: 0 10px 22px rgba(99,91,255,.28);
    font-size: 14px;
}

.sbkb-step-products {
    display: block;
}

.sbkb-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
    gap: 22px;
    align-items: stretch;
}

.sbkb-product-list {
    display: grid;
    gap: 14px;
}

.sbkb-product-card {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
    border: 1px solid rgba(203,213,225,.82);
    border-radius: 28px;
    padding: 14px;
    background: rgba(255,255,255,.92);
    box-shadow: 0 14px 36px rgba(15,23,42,.07);
    text-align: center;
    transform: translateY(0);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.sbkb-product-card:hover {
    border-color: rgba(99,91,255,.55);
    box-shadow: 0 24px 55px rgba(99,91,255,.16), 0 10px 24px rgba(15,23,42,.08);
    transform: translateY(-6px);
}

.sbkb-product-card.sbkb-selected {
    border-color: var(--sbkb-primary);
    background: linear-gradient(180deg, rgba(238,242,255,.98), rgba(255,255,255,.94));
    box-shadow: 0 0 0 4px rgba(99,91,255,.14), 0 22px 60px rgba(99,91,255,.20);
}

.sbkb-product-card.sbkb-selected::before {
    content: '✓';
    position: absolute;
    inset-block-start: 14px;
    inset-inline-start: 14px;
    z-index: 3;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--sbkb-success), #22c55e);
    color: #fff;
    font-size: 17px;
    font-weight: 900;
    box-shadow: 0 12px 25px rgba(16,185,129,.35);
}

.sbkb-product-card.sbkb-recommended::after {
    content: 'Recommended';
    top: 14px;
    right: 14px;
    padding: 7px 11px;
    border-radius: 999px;
    background: linear-gradient(135deg, #10b981, #14b8a6);
    color: #fff;
    font-size: 11px;
    box-shadow: 0 10px 20px rgba(16,185,129,.25);
}

.rtl .sbkb-product-card.sbkb-recommended::after,
[dir="rtl"] .sbkb-product-card.sbkb-recommended::after {
    right: auto;
    left: 14px;
}

.sbkb-product-image {
    width: 100%;
    height: 190px;
    margin: 0;
    padding: 20px;
    object-fit: contain;
    border-radius: 22px;
    border: 1px solid rgba(226,232,240,.78);
    background:
        radial-gradient(circle at 30% 22%, rgba(99,91,255,.12), transparent 30%),
        linear-gradient(135deg, #f8fafc, #ffffff);
}

.sbkb-product-info {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    gap: 9px;
    padding: 2px 4px 4px;
}

.sbkb-product-category {
    max-width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sbkb-product-name {
    width: 100%;
    margin: 0;
    color: #111827;
    font-size: 16px;
    font-weight: 850;
    letter-spacing: -.01em;
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
    line-height: 1.55;
}

.sbkb-product-price {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    color: var(--sbkb-primary);
    font-size: 16px;
    font-weight: 900;
}

.sbkb-product-price del,
.sbkb-product-regular-price {
    color: #94a3b8;
    font-weight: 600;
    opacity: .95;
}

.sbkb-product-price ins {
    color: #ef4444;
    text-decoration: none;
}

.sbkb-product-select,
.sbkb-btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 16px;
    font-weight: 850;
    letter-spacing: -.01em;
}

.sbkb-product-select {
    width: 100%;
    margin-top: auto;
    border: 0;
    background: linear-gradient(135deg, var(--sbkb-primary), var(--sbkb-primary-dark));
    color: #fff;
    box-shadow: 0 14px 28px rgba(99,91,255,.24);
}

.sbkb-product-select:hover {
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(99,91,255,.32);
}

.sbkb-product-select.sbkb-selected-btn {
    background: linear-gradient(135deg, var(--sbkb-success), #059669);
    box-shadow: 0 14px 28px rgba(16,185,129,.28);
}

.sbkb-step-products[data-ui="list"] .sbkb-product-list .sbkb-product-card,
.sbkb-step-products[data-ui="list"] .sbkb-product-card {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    text-align: start;
    padding: 14px 18px;
}

.sbkb-step-products[data-ui="list"] .sbkb-product-image {
    width: 92px;
    height: 92px;
    padding: 10px;
}

.sbkb-step-products[data-ui="list"] .sbkb-product-info {
    align-items: flex-start;
}

.sbkb-step-products[data-ui="list"] .sbkb-product-select {
    width: auto;
    min-width: 120px;
    margin-top: 0;
}

.sbkb-dropdown-select,
.sbkb-variation-field select {
    min-height: 56px;
    border: 1px solid rgba(203,213,225,.95);
    border-radius: 18px;
    background: rgba(255,255,255,.95);
    padding: 0 16px;
    color: #0f172a;
    box-shadow: 0 12px 28px rgba(15,23,42,.06);
}

.sbkb-dropdown-product-controls {
    margin-top: 18px;
}

.sbkb-variation-controls,
.sbkb-quantity-controls {
    width: 100%;
    margin-top: 12px;
    padding: 14px;
    border: 1px solid rgba(226,232,240,.95);
    border-radius: 20px;
    background: rgba(248,250,252,.92);
}

.sbkb-quantity-controls {
    justify-content: center;
}

.sbkb-qty-minus,
.sbkb-qty-plus {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(203,213,225,.95);
    background: #fff;
    box-shadow: 0 8px 18px rgba(15,23,42,.06);
}

.sbkb-product-qty {
    width: 82px;
    height: 44px;
    border-radius: 16px;
    border-color: rgba(203,213,225,.95);
    font-weight: 800;
}

.sbkb-step-loading {
    min-height: 260px;
    border: 1px dashed rgba(148,163,184,.55);
    border-radius: 26px;
    background: rgba(248,250,252,.8);
    font-weight: 750;
}

.sbkb-spinner {
    width: 28px;
    height: 28px;
    border-width: 3px;
    border-top-color: var(--sbkb-primary);
}

.sbkb-wizard-footer {
    grid-area: footer;
    position: sticky;
    top: 32px;
    align-self: start;
    max-height: calc(100vh - 64px);
    overflow: auto;
    padding: clamp(22px, 2.5vw, 32px);
    border: 0;
    border-inline-start: 1px solid rgba(226,232,240,.88);
    border-radius: 0 0 34px 0;
    background: rgba(248,250,252,.76);
    backdrop-filter: blur(18px);
}

.sbkb-wizard-summary {
    padding: 22px;
    border: 1px solid rgba(226,232,240,.95);
    border-radius: 28px;
    background: rgba(255,255,255,.92);
    box-shadow: 0 18px 45px rgba(15,23,42,.08);
}

.sbkb-wizard-summary h4 {
    margin: 0 0 18px;
    color: #0f172a;
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -.02em;
}

.sbkb-summary-list {
    max-height: 330px;
    margin-bottom: 18px;
    padding-inline-end: 3px;
}

.sbkb-summary-list:empty::before {
    content: 'No products selected yet';
    display: block;
    padding: 18px;
    border: 1px dashed rgba(148,163,184,.5);
    border-radius: 18px;
    color: #64748b;
    text-align: center;
    background: #f8fafc;
    font-size: 13px;
    font-weight: 700;
}

.rtl .sbkb-summary-list:empty::before,
[dir="rtl"] .sbkb-summary-list:empty::before {
    content: 'هنوز محصولی انتخاب نشده است';
}

.sbkb-summary-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
    align-items: center;
    padding: 13px 0;
    border-bottom: 1px solid rgba(226,232,240,.92);
}

.sbkb-summary-item-name {
    color: #0f172a;
    font-weight: 800;
    line-height: 1.5;
}

.sbkb-summary-item-step {
    padding: 4px 8px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4f46e5;
    font-size: 11px;
    font-weight: 850;
}

.sbkb-summary-item-qty {
    color: #475569;
    font-size: 12px;
}

.sbkb-summary-item-price {
    grid-column: 1 / -1;
    color: #0f172a;
    font-size: 14px;
    font-weight: 900;
    text-align: end;
}

.sbkb-summary-totals {
    padding: 18px;
    border: 0;
    border-radius: 22px;
    background: linear-gradient(180deg, #f8fafc, #eef2ff);
}

.sbkb-summary-original,
.sbkb-summary-discount,
.sbkb-summary-total {
    gap: 16px;
    color: #334155;
    font-size: 14px;
}

.sbkb-summary-total {
    margin-top: 10px;
    padding-top: 13px;
    border-top: 1px solid rgba(148,163,184,.35);
    color: #111827;
    font-size: 20px;
    font-weight: 950;
}

.sbkb-summary-discount .sbkb-discount-amount {
    color: var(--sbkb-success);
    font-weight: 900;
}

.sbkb-wizard-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.sbkb-wizard-nav .sbkb-btn-next,
.sbkb-wizard-nav .sbkb-btn-add-cart {
    grid-column: 1 / -1;
}

.sbkb-btn {
    min-height: 50px;
    padding: 12px 22px;
    border-radius: 18px;
    border-width: 1px;
    box-shadow: none;
}

.sbkb-btn-primary {
    border: 0;
    background: linear-gradient(135deg, var(--sbkb-primary), var(--sbkb-primary-dark));
    color: #fff;
    box-shadow: 0 16px 32px rgba(99,91,255,.26);
}

.sbkb-btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    transform: translateY(-2px);
    box-shadow: 0 20px 38px rgba(99,91,255,.34);
}

.sbkb-btn-secondary {
    border-color: rgba(203,213,225,.9);
    background: rgba(255,255,255,.84);
    color: #475569;
}

.sbkb-btn-secondary:hover {
    border-color: rgba(99,91,255,.35);
    background: #fff;
    color: #111827;
}

.sbkb-btn-add-cart {
    background: linear-gradient(135deg, var(--sbkb-success), #059669);
    box-shadow: 0 16px 32px rgba(16,185,129,.25);
}

.sbkb-btn-add-cart:hover {
    background: linear-gradient(135deg, #059669, #047857);
    box-shadow: 0 20px 38px rgba(16,185,129,.32);
}

.sbkb-validation-error {
    border: 1px solid rgba(248,113,113,.35);
    border-radius: 18px;
    background: #fff1f2;
    color: #b91c1c;
    font-weight: 750;
}

.sbkb-build-btn.button,
.sbkb-build-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 54px;
    padding: 0 28px !important;
    border: 0 !important;
    border-radius: 18px !important;
    background: linear-gradient(135deg, var(--sbkb-primary), var(--sbkb-primary-dark)) !important;
    color: #fff !important;
    font-weight: 900 !important;
    letter-spacing: -.01em;
    box-shadow: 0 18px 40px rgba(99,91,255,.28) !important;
    text-decoration: none !important;
}

.sbkb-build-btn::after {
    content: '↓';
    font-size: 18px;
    line-height: 1;
}

.sbkb-build-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 24px 48px rgba(99,91,255,.36) !important;
}

.sbkb-preorder-banner,
.sbkb-waitlist-form-wrap {
    border-radius: 26px;
    box-shadow: 0 16px 38px rgba(15,23,42,.08);
}

@media (max-width: 1100px) {
    .sbkb-wizard {
        grid-template-columns: 1fr;
        grid-template-areas:
            "header"
            "body"
            "footer";
    }

    .sbkb-wizard-body {
        border-radius: 0;
    }

    .sbkb-wizard-footer {
        position: static;
        max-height: none;
        border-inline-start: 0;
        border-top: 1px solid rgba(226,232,240,.88);
        border-radius: 0 0 34px 34px;
    }

    .sbkb-wizard-nav {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .sbkb-wizard-nav .sbkb-btn-next,
    .sbkb-wizard-nav .sbkb-btn-add-cart {
        grid-column: auto;
    }
}

@media (max-width: 782px) {
    .sbkb-wizard {
        width: calc(100% - 18px);
        margin: 14px auto;
        border-radius: 24px;
    }

    .sbkb-wizard-header {
        border-radius: 24px 24px 0 0;
    }

    .sbkb-wizard-body,
    .sbkb-wizard-footer {
        padding: 18px;
    }

    .sbkb-product-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .sbkb-step-products[data-ui="list"] .sbkb-product-list .sbkb-product-card,
    .sbkb-step-products[data-ui="list"] .sbkb-product-card {
        grid-template-columns: 78px minmax(0, 1fr);
    }

    .sbkb-step-products[data-ui="list"] .sbkb-product-select {
        grid-column: 1 / -1;
        width: 100%;
    }

    .sbkb-wizard-nav {
        grid-template-columns: 1fr;
    }

    .sbkb-wizard-nav .sbkb-btn-next,
    .sbkb-wizard-nav .sbkb-btn-add-cart {
        grid-column: auto;
    }

    .sbkb-summary-item {
        grid-template-columns: 1fr;
    }

    .sbkb-summary-item-price {
        text-align: start;
    }
}