/**
 * J2Commerce Guided Builder — Multi-Step Product Configurator
 * Custom CSS with --gb-* design tokens for full customization
 *
 * Layout uses Bootstrap 5 grid (row, col-*).
 * All visual styling uses .gb-* classes with CSS custom properties.
 */

/* ─── Design Tokens ─── */
:root {
    --gb-primary: #2563eb;
    --gb-primary-hover: #1d4ed8;
    --gb-success: #16a34a;
    --gb-danger: #dc2626;
    --gb-text: #1e293b;
    --gb-text-muted: #64748b;
    --gb-border: #e2e8f0;
    --gb-border-selected: var(--gb-primary);
    --gb-bg: #ffffff;
    --gb-bg-hover: #f8fafc;
    --gb-bg-selected: #eff6ff;
    --gb-radius: 0.5rem;
    --gb-radius-sm: 0.375rem;
    --gb-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --gb-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1);
    --gb-transition: 0.2s ease;
    --gb-swatch-size: 48px;
    --gb-badge-bg: var(--gb-primary);
    --gb-badge-color: #ffffff;
    --gb-check-color: var(--gb-success);
    --gb-step-bubble-size: 2rem;
    --gb-step-bubble-bg: var(--gb-border);
    --gb-step-bubble-active: var(--gb-primary);
    --gb-step-bubble-complete: var(--gb-success);
    --gb-preview-bg: #f8fafc;
}

/* ─── Configurator Wrapper ─── */
.gb-configurator {
    color: var(--gb-text);
}

/* ─── Progress Bar (tab-bar style) ─── */
.gb-progress-wrapper {
    background: var(--gb-bg);
    border-bottom: 1px solid var(--gb-border);
    box-shadow: var(--gb-shadow);
    margin-bottom: 1.5rem;
    border-radius: var(--gb-radius) var(--gb-radius) 0 0;
}

.gb-progress-steps {
    display: flex;
    align-items: stretch;
    list-style: none;
    margin: 0;
    padding: 0;
}

.gb-progress-step {
    flex: 1;
    position: relative;
}

.gb-progress-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 0.75rem;
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--gb-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--gb-transition), border-color var(--gb-transition), background var(--gb-transition);
    text-align: left;
    white-space: nowrap;
}

.gb-progress-btn:hover:not(:disabled) {
    background: var(--gb-bg-hover);
    color: var(--gb-text);
}

.gb-progress-btn:disabled {
    cursor: default;
    opacity: 0.6;
}

.gb-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--gb-border);
    color: var(--gb-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
    transition: all var(--gb-transition);
}

.gb-step-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

.gb-progress-step.is-active .gb-progress-btn {
    color: var(--gb-primary);
    border-bottom-color: var(--gb-primary);
    font-weight: 600;
}

.gb-progress-step.is-active .gb-step-number {
    background: var(--gb-primary);
    color: #fff;
}

.gb-progress-step.is-complete .gb-progress-btn {
    color: var(--gb-success);
    border-bottom-color: var(--gb-success);
}

.gb-progress-step.is-complete .gb-step-number {
    background: var(--gb-success);
    color: #fff;
}

/* ─── Preview Panel ─── */
.gb-preview-panel {
    background: #fff;
    border-radius: var(--gb-radius);
    overflow: hidden;
}

.gb-preview-canvas {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    min-height:600px;
}

.gb-preview-canvas img {
    display: block;
}

.gb-preview-canvas svg {
    width: 100%;
    height: 100%;
}

@keyframes gb-svg-pulse-anim {
    0%   { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.45); }
    70%  { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.gb-svg-pulse {
    animation: gb-svg-pulse-anim 400ms ease-out forwards;
}

/* ─── Price Summary Card ─── */
.gb-price-card {
    background: var(--gb-bg);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.gb-price-line {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.9rem;
}

.gb-price-line.gb-price-total-line {
    border-top: 2px solid var(--gb-text);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
}

/* ─── Visual Cards ─── */
.gb-card {
    background: var(--gb-bg);
    border: 2px solid var(--gb-border);
    border-radius: var(--gb-radius);
    cursor: pointer;
    transition: all var(--gb-transition);
    overflow: hidden;
    position: relative;
    height: 100%;
}

.gb-card:hover {
    border-color: var(--gb-primary);
    box-shadow: var(--gb-shadow-hover);
    background: var(--gb-bg-hover);
}

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

.gb-card.is-selected {
    border-color: var(--gb-border-selected);
    background: var(--gb-bg-selected);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.gb-card-image {
    width: 100%;
    overflow: hidden;
}

.gb-card-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.gb-card-body {
    padding: 0.75rem;
}

.gb-card-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.gb-card-description {
    margin-bottom: 0.25rem;
}

.gb-card-price {
    font-weight: 600;
    color: var(--gb-primary);
    font-size: 0.9rem;
}

.gb-card-check {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    color: var(--gb-check-color);
    font-size: 1.25rem;
    opacity: 0;
    transition: opacity var(--gb-transition);
}

.gb-card.is-selected .gb-card-check {
    opacity: 1;
}

/* ─── Badge ─── */
.gb-badge {
    display: inline-block;
    background: var(--gb-badge-bg);
    color: var(--gb-badge-color);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
}

/* ─── Color Swatches ─── */
.gb-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all var(--gb-transition);
}

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

.gb-swatch-circle {
    width: var(--gb-swatch-size);
    height: var(--gb-swatch-size);
    border-radius: 50%;
    border: 3px solid var(--gb-border);
    transition: all var(--gb-transition);
}

.gb-swatch:hover .gb-swatch-circle {
    border-color: var(--gb-primary);
    transform: scale(1.1);
}

.gb-swatch.is-selected .gb-swatch-circle {
    border-color: var(--gb-border-selected);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.gb-swatch-label {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    text-align: center;
    color: var(--gb-text-muted);
}

.gb-swatch.is-selected .gb-swatch-label {
    color: var(--gb-primary);
    font-weight: 600;
}

.gb-swatch-price {
    color: var(--gb-text-muted);
}

/* ─── Radio Cards ─── */
.gb-radio-card {
    background: var(--gb-bg);
    border: 2px solid var(--gb-border);
    border-radius: var(--gb-radius);
    padding: 1rem;
    cursor: pointer;
    transition: all var(--gb-transition);
}

.gb-radio-card:hover {
    border-color: var(--gb-primary);
    background: var(--gb-bg-hover);
}

.gb-radio-card:focus-visible {
    outline: 2px solid var(--gb-primary);
    outline-offset: 2px;
}

.gb-radio-card.is-selected {
    border-color: var(--gb-border-selected);
    background: var(--gb-bg-selected);
}

.gb-radio-indicator {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    border: 2px solid var(--gb-border);
    flex-shrink: 0;
    transition: all var(--gb-transition);
    position: relative;
}

.gb-radio-card.is-selected .gb-radio-indicator {
    border-color: var(--gb-primary);
    background: var(--gb-primary);
}

.gb-radio-card.is-selected .gb-radio-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.4rem;
    height: 0.4rem;
    background: #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

/* ─── Navigation ─── */
.gb-navigation {
    margin-top: 1.5rem;
}

.gb-btn-next,
.gb-btn-back,
.gb-btn-add-to-cart {
    transition: all var(--gb-transition);
}

/* ─── Review Step ─── */
.gb-review {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.gb-review-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gb-border);
    background: var(--gb-bg-hover);
    border-radius: var(--gb-radius) var(--gb-radius) 0 0;
}

.gb-review-context {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gb-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.gb-review-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gb-text);
    margin-bottom: 0.25rem;
}

.gb-review-subtitle {
    font-size: 0.875rem;
    color: var(--gb-text-muted);
    margin: 0;
}

/* ─── Configuration Summary Table ─── */
.gb-summary-table {
    list-style: none;
    margin: 0;
    padding: 0;
}

.gb-summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gb-border);
    gap: 0.75rem;
    transition: background var(--gb-transition);
}

.gb-summary-row:last-child {
    border-bottom: none;
}

.gb-summary-row:hover {
    background: var(--gb-bg-hover);
}

.gb-summary-left {
    flex: 1;
    min-width: 0;
}

.gb-summary-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gb-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.gb-summary-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gb-text);
    /* Preserve server-emitted newlines so multi-slider rows
       (Door Width, Door Height, ...) stack one per line. */
    white-space: pre-line;
}

.gb-summary-edit {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gb-primary);
    white-space: nowrap;
    text-decoration: none;
    padding: 3px 0.5rem;
    border-radius: var(--gb-radius-sm);
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all var(--gb-transition);
    flex-shrink: 0;
}

.gb-summary-edit:hover {
    color: var(--gb-primary-hover);
    background: var(--gb-bg-selected);
    text-decoration: underline;
}

/* ─── Review Price Breakdown ─── */
.gb-review-price-card {
    background: var(--gb-bg);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    box-shadow: var(--gb-shadow);
    overflow: hidden;
}

.gb-review-price-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gb-border);
    background: var(--gb-bg-hover);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gb-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.gb-price-breakdown-list {
    list-style: none;
    margin: 0;
    padding: 1.25rem 1.5rem;
}

.gb-price-line-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.375rem 0;
    font-size: 0.875rem;
    gap: 0.75rem;
}

.gb-price-line-label {
    color: var(--gb-text);
    flex: 1;
}

.gb-price-line-label.gb-price-bold {
    font-weight: 600;
}

.gb-price-line-amount {
    font-weight: 600;
    color: var(--gb-text);
    white-space: nowrap;
}

.gb-price-line-amount.gb-price-addon {
    color: var(--gb-text-muted);
}

.gb-price-line-muted {
    color: var(--gb-text-muted);
    font-style: italic;
    font-size: 0.75rem;
    white-space: nowrap;
}

.gb-price-divider {
    border: none;
    border-top: 1px solid var(--gb-border);
    margin: 0.5rem 1.5rem;
}

.gb-price-subtotals {
    padding: 0 1.5rem;
}

.gb-price-total-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0.75rem;
}

.gb-price-total-label {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gb-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gb-price-total-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gb-primary);
}

/* ─── Quantity Stepper ─── */
.gb-qty-section {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--gb-border);
    background: var(--gb-bg-hover);
}

.gb-qty-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gb-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.gb-qty-stepper {
    display: inline-flex;
    align-items: stretch;
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    overflow: hidden;
}

.gb-qty-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gb-bg);
    border: none;
    cursor: pointer;
    color: var(--gb-text-muted);
    font-size: 0.875rem;
    transition: all var(--gb-transition);
}

.gb-qty-btn:hover:not(:disabled) {
    background: var(--gb-bg-selected);
    color: var(--gb-primary);
}

.gb-qty-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.gb-qty-value {
    width: 52px;
    height: 40px;
    border: none;
    border-left: 1px solid var(--gb-border);
    border-right: 1px solid var(--gb-border);
    outline: none;
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--gb-text);
    background: var(--gb-bg);
    -moz-appearance: textfield;
}

.gb-qty-value::-webkit-inner-spin-button,
.gb-qty-value::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ─── Review Add to Cart ─── */
.gb-review-cart-section {
    padding: 1.25rem 0;
}

.gb-review-add-to-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: var(--gb-success);
    color: #fff;
    border: none;
    border-radius: var(--gb-radius);
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--gb-transition);
    position: relative;
    overflow: hidden;
}

.gb-review-add-to-cart:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: var(--gb-shadow-hover);
}

.gb-review-add-to-cart:active {
    transform: translateY(0);
}

.gb-review-add-to-cart.loading {
    opacity: 0.7;
    pointer-events: none;
}

.gb-review-add-to-cart.added {
    background: var(--gb-success);
}

/* ─── Review Card Wrapper ─── */
.gb-review-summary-card {
    background: var(--gb-bg);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    box-shadow: var(--gb-shadow);
    overflow: hidden;
}

/* ─── Mobile Overrides ─── */
@media (max-width: 991.98px) {
    .gb-preview-panel {
        position: static !important;
    }

    .gb-progress-btn {
        padding: 0.625rem 0.5rem;
        font-size: 0.8rem;
    }
}

/* Mobile: collapsible preview panel */
@media (max-width: 991.98px) {
    .gb-preview-panel {
        border: 1px solid var(--gb-border-color, #e2e8f0);
        border-radius: var(--gb-radius, 0.75rem);
        overflow: hidden;
    }
    .gb-preview-panel .gb-preview-canvas {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .gb-preview-panel.is-expanded .gb-preview-canvas {
        max-height: 500px;
    }
    .gb-preview-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
        cursor: pointer;
        font-size: 0.85rem;
        color: var(--gb-text-muted, #64748b);
        gap: 0.5rem;
        border-top: 1px solid var(--gb-border-color, #e2e8f0);
    }
    .gb-preview-toggle i {
        transition: transform 0.3s ease;
    }
    .gb-preview-panel.is-expanded .gb-preview-toggle i {
        transform: rotate(180deg);
    }
}
@media (min-width: 992px) {
    .gb-preview-toggle {
        display: none;
    }
}

/* Mobile: compact progress bar */
@media (max-width: 575.98px) {
    .gb-progress-btn {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
        justify-content: center;
    }
    .gb-step-label {
        display: none;
    }
}

.gb-mobile-price-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gb-bg);
    border-top: 1px solid var(--gb-border);
    padding: 0.75rem 1rem;
    display: none;
    justify-content: space-between;
    align-items: center;
    z-index: 1040;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

@media (max-width: 991.98px) {
    .gb-mobile-price-bar {
        display: flex;
    }
}

/* ─── State Classes ─── */
.is-disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* ─── Cart Selections Display ─── */
.gb-cart-selections {
    margin-top: 0.25rem;
}

.gb-cart-selection {
    line-height: 1.4;
}

/* ─── Validation ─── */
.gb-validation-msg {
    animation: gb-shake 0.4s ease;
}

@keyframes gb-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* ─── Image Swatches ─── */
.gb-image-swatch .gb-swatch-circle,
.gb-image-swatch-thumb {
    width: calc(var(--gb-swatch-size) * 1.75);
    height: calc(var(--gb-swatch-size) * 1.75);
    border-radius: var(--gb-radius-sm);
}

/* ─── Range / Number Input ─── */
.gb-range-field {
    max-width: 320px;
}

.gb-range-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gb-range-wrapper .form-control {
    max-width: 120px;
}

.gb-range-unit {
    font-size: 0.9rem;
    color: var(--gb-text-muted);
    white-space: nowrap;
}

.gb-range-help {
    color: var(--gb-text-muted);
}

/* ─── Toggle ─── */
.gb-toggle {
    padding: 0.5rem 0;
}

.gb-toggle .form-check-input {
    width: 3em;
    height: 1.5em;
    cursor: pointer;
}

.gb-toggle .form-check-input:checked {
    background-color: var(--gb-primary);
    border-color: var(--gb-primary);
}

.gb-toggle-label-no,
.gb-toggle-label-yes {
    min-width: 2rem;
}

.gb-toggle-price {
    color: var(--gb-text-muted);
}

/* ─── Text Input ─── */
.gb-text-field {
    max-width: 480px;
}

.gb-text-char-count {
    font-size: 0.8rem;
}

/* ─── Checkbox Group ─── */
.gb-checkbox-item {
    background: var(--gb-bg);
    border: 2px solid var(--gb-border);
    border-radius: var(--gb-radius);
    padding: 0.75rem;
    height: 100%;
    transition: border-color var(--gb-transition), background var(--gb-transition);
    cursor: pointer;
}

.gb-checkbox-item:hover {
    border-color: var(--gb-primary);
    background: var(--gb-bg-hover);
}

.gb-checkbox-item:has(.gb-checkbox-input:checked) {
    border-color: var(--gb-border-selected);
    background: var(--gb-bg-selected);
}

.gb-checkbox-price {
    color: var(--gb-primary);
}

/* ─── Builder Cards ────────────────────────────────────────── */
.gb-builder-cards {
    --gb-builder-card-border: var(--gb-card-border, #dee2e6);
    --gb-builder-card-bg: var(--gb-card-bg, #fff);
    --gb-builder-card-hover-border: var(--gb-accent, #0d6efd);
    --gb-builder-card-selected-border: var(--gb-accent, #0d6efd);
    --gb-builder-card-selected-bg: var(--gb-selected-bg, #f0f7ff);
}

.gb-builder-card {
    position: relative;
    border: 2px solid var(--gb-builder-card-border);
    border-radius: 0.5rem;
    background: var(--gb-builder-card-bg);
    padding: 1rem;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gb-builder-card:hover {
    border-color: var(--gb-builder-card-hover-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.gb-builder-card.is-selected {
    border-color: var(--gb-builder-card-selected-border);
    background: var(--gb-builder-card-selected-bg);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.gb-builder-card-image {
    width: 100%;
    max-width: 120px;
    margin-bottom: 0.75rem;
}

.gb-builder-card-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.gb-builder-card-image svg {
    width: 100%;
    height: auto;
    max-height: 100px;
}

.gb-builder-card-body {
    flex: 1;
}

.gb-builder-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.gb-builder-card-desc {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
}

.gb-builder-card-cta {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gb-accent, #0d6efd);
    background: rgba(13, 110, 253, 0.08);
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    margin-bottom: 0.5rem;
}

.gb-builder-card-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: #198754;
    margin-top: auto;
}

.gb-builder-card-check {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gb-accent, #0d6efd);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.gb-builder-card.is-selected .gb-builder-card-check {
    display: flex;
}

/* ─── Builder Slider (dimension-row pattern) ──────────────── */
.gb-dimension-row {
    margin-bottom: 1.5rem;
}

.gb-dimension-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.gb-dimension-label label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gb-text);
}

.gb-dimension-range {
    font-size: 0.75rem;
    color: var(--gb-text-muted);
}

.gb-input-unit-group {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    overflow: hidden;
    transition: border-color var(--gb-transition), box-shadow var(--gb-transition);
}

.gb-input-unit-group:focus-within {
    border-color: var(--gb-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.gb-builder-slider-number {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.75rem 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gb-text);
    text-align: center;
    background: var(--gb-bg);
    -moz-appearance: textfield;
}

.gb-builder-slider-number::-webkit-inner-spin-button,
.gb-builder-slider-number::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.gb-builder-slider-number::placeholder {
    color: var(--gb-text-muted);
    font-weight: 400;
}

.gb-input-unit {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    background: var(--gb-bg-hover);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gb-text-muted);
    border-left: 1px solid var(--gb-border);
    white-space: nowrap;
}

.gb-input-validation {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}

.gb-input-valid .gb-input-unit-group {
    border-color: var(--gb-success);
}

.gb-input-error .gb-input-unit-group {
    border-color: var(--gb-danger);
}

.gb-input-valid .gb-input-validation {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--gb-success);
}

.gb-input-error .gb-input-validation {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--gb-danger);
}

.gb-input-hint {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--gb-text-muted);
}

.gb-input-hint i {
    color: var(--gb-success);
}

.gb-dimension-slider {
    margin-top: 0.75rem;
}

.gb-builder-slider-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--gb-border);
    border-radius: 9999px;
    outline: none;
    cursor: pointer;
}

.gb-builder-slider-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gb-primary);
    border: 3px solid var(--gb-bg);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: transform var(--gb-transition);
}

.gb-builder-slider-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.gb-builder-slider-range:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.gb-builder-slider-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gb-primary);
    border: 3px solid var(--gb-bg);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.gb-slider-endpoints {
    display: flex;
    justify-content: space-between;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--gb-text-muted);
}

/* ─── Builder Sliders (multiple per step) ─── */
.gb-builder-sliders {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gb-slider-description {
    line-height: 1.4;
}

/* ─── Multi-Group Steps ─── */
.gb-step-groups {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.gb-group {
    padding: 1rem;
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    background: var(--gb-bg);
}

.gb-group-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gb-text);
    margin-bottom: 0.75rem;
}

.gb-group-options {
    margin-top: 0.5rem;
}

.glass-swatch
{
    width: 100%;
    height: 52px;
    border-radius: 0.25rem;
    border: 1px solid #E5E7EB;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

/* ─── Proof-Check Consent Block ─── */
.gb-proof-consent {
    background: rgb(245, 248, 252);
    padding: 28px 32px;
    border-left: 4px solid var(--bs-primary, #1a3b66);
    border-radius: 0;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.gb-proof-consent .form-check-input,
.gb-proof-consent .uk-checkbox {
    width: 22px;
    height: 22px;
    border: 2px solid var(--bs-primary, #1a3b66);
    border-radius: 4px;
    background-color: #ffffff;
    cursor: pointer;
    flex-shrink: 0;
}

.gb-proof-consent .form-check-input:checked,
.gb-proof-consent .uk-checkbox:checked {
    background-color: var(--bs-primary, #1a3b66);
    border-color: var(--bs-primary, #1a3b66);
}

.gb-proof-consent .form-check-label,
.gb-proof-consent label,
.gb-proof-consent .uk-margin-small-left {
    font-size: 0.925rem;
    font-weight: 400;
    color: rgb(45, 54, 72);
    line-height: 30px;
    margin-left: 1rem;
}

/* UIkit variant: align checkbox + text inline */
.uk-modal .gb-proof-consent .uk-margin {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 0;
}

.uk-modal .gb-proof-consent .uk-margin-small-left {
    margin-left: 0 !important;
}