/**
 * Bundle Options — scoped under .lbb-bundle-builder only.
 *
 * Theme compatibility: never target theme/page-builder classes
 * (Astra, Elementor widgets, Beaver Builder, etc.).
 * All rules stay under .lbb-bundle-builder so any theme can style via cascade.
 */

.lbb-bundle-builder {
	--lbb-border: #d4d4d4;
	--lbb-text: #1f1f1f;
	--lbb-muted: #5c5c5c;
	--lbb-accent: #1a5f4a;
	--lbb-accent-soft: #e8f3ef;
	--lbb-danger: #8a1f1f;
	--lbb-surface: #f7f7f5;
	--lbb-radius: 6px;
	--lbb-focus: #1a5f4a;
	--lbb-gap: 0.75rem;
	--lbb-slot-gap: 1.25rem;
	--lbb-image-size: 100%;
	--lbb-transition: 160ms ease;
	/* Own row above qty + ATC when themes flex/grid the cart form. */
	display: block;
	box-sizing: border-box;
	float: none;
	clear: both;
	width: 100%;
	max-width: 100%;
	flex: 1 1 100%;
	flex-basis: 100%;
	grid-column: 1 / -1;
	margin: 1.25rem 0;
	padding: 1rem 0;
	color: var(--lbb-text);
	border-top: 1px solid var(--lbb-border);
	border-bottom: 1px solid var(--lbb-border);
	overflow-x: clip;
}

.lbb-bundle-builder--spacing-compact {
	--lbb-gap: 0.5rem;
	--lbb-slot-gap: 0.85rem;
}

.lbb-bundle-builder--spacing-comfortable {
	--lbb-gap: 0.75rem;
	--lbb-slot-gap: 1.25rem;
}

.lbb-bundle-builder--spacing-relaxed {
	--lbb-gap: 1rem;
	--lbb-slot-gap: 1.75rem;
}

.lbb-bundle-builder--radius-none {
	--lbb-radius: 0;
}

.lbb-bundle-builder--radius-small {
	--lbb-radius: 4px;
}

.lbb-bundle-builder--radius-medium {
	--lbb-radius: 6px;
}

.lbb-bundle-builder--radius-large {
	--lbb-radius: 12px;
}

.lbb-bundle-builder--image-small {
	--lbb-image-size: 3.5rem;
}

.lbb-bundle-builder--image-medium {
	--lbb-image-size: 5.5rem;
}

.lbb-bundle-builder--image-large {
	--lbb-image-size: 8rem;
}

.lbb-bundle-builder--image-xlarge {
	--lbb-image-size: 11rem;
}

/* Column layouts apply to every options grid (cards, list, radio, dropdown). */
.lbb-bundle-builder--layout-columns_1 .lbb-bundle-builder__options {
	grid-template-columns: 1fr;
}

.lbb-bundle-builder--layout-columns_2 .lbb-bundle-builder__options {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lbb-bundle-builder--layout-columns_3 .lbb-bundle-builder__options {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lbb-bundle-builder--layout-columns_4 .lbb-bundle-builder__options {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

/*
 * "Auto" is a responsive grid, not an unbounded one: the minmax basis is
 * sized so common desktop content widths land on 3-4 columns instead of
 * auto-fill packing every available product into a single wide row.
 */
.lbb-bundle-builder--layout-auto .lbb-bundle-builder__cards.lbb-bundle-builder__options {
	grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.lbb-bundle-builder--layout-auto .lbb-bundle-builder__choice-list.lbb-bundle-builder__options,
.lbb-bundle-builder--layout-auto .lbb-bundle-builder__radio-list.lbb-bundle-builder__options,
.lbb-bundle-builder--layout-auto .lbb-bundle-builder__list.lbb-bundle-builder__options {
	grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
}

@media (prefers-color-scheme: dark) {
	.lbb-bundle-builder {
		--lbb-border: #3a3a3a;
		--lbb-text: #f2f2f2;
		--lbb-muted: #b0b0b0;
		--lbb-accent: #5cbc9a;
		--lbb-accent-soft: #1a2e28;
		--lbb-danger: #f0a0a0;
		--lbb-surface: #1c1c1c;
		--lbb-focus: #5cbc9a;
	}

	.lbb-bundle-builder__select,
	.lbb-bundle-builder__card,
	.lbb-bundle-builder__list-row,
	.lbb-bundle-builder__load-more {
		background: #141414;
		color: inherit;
	}
}

.lbb-bundle-builder__sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.lbb-bundle-builder__title {
	margin: 0 0 1rem;
	font-size: 1.125rem;
	font-weight: 600;
	line-height: 1.3;
}

.lbb-bundle-builder__slot {
	margin: 0 0 var(--lbb-slot-gap);
	padding: 0;
	border: 0;
	min-inline-size: 0;
}

.lbb-bundle-builder__slot-legend {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 0.5rem;
	padding: 0;
	font-weight: 600;
}

.lbb-bundle-builder__badge {
	display: inline-block;
	padding: 0.1rem 0.4rem;
	font-size: 0.75rem;
	font-weight: 500;
	line-height: 1.4;
	border-radius: 3px;
	background: var(--lbb-surface);
	color: var(--lbb-muted);
}

.lbb-bundle-builder__badge--required {
	background: var(--lbb-accent-soft);
	color: var(--lbb-accent);
}

.lbb-bundle-builder__selection-count {
	margin: 0 0 0.5rem;
	font-size: 0.875rem;
	color: var(--lbb-muted);
}

.lbb-bundle-builder__choice-list {
	display: grid;
	gap: var(--lbb-gap);
	max-width: 100%;
	align-items: start;
}

.lbb-bundle-builder__list {
	display: grid;
	gap: var(--lbb-gap);
}

.lbb-bundle-builder__radio-list {
	display: grid;
	gap: var(--lbb-gap);
}

.lbb-bundle-builder__cards {
	display: grid;
	gap: var(--lbb-gap);
	align-items: stretch;
}

.lbb-bundle-builder__options--single {
	grid-template-columns: 1fr !important;
	max-width: min(28rem, 100%);
}

.lbb-bundle-builder__select-wrap {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	min-width: 0;
}

.lbb-bundle-builder__select-wrap.is-customized {
	position: relative;
	display: block;
}

.lbb-bundle-builder__select-wrap.is-customized > .lbb-bundle-builder__select {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.lbb-bundle-builder__custom-select {
	position: relative;
	width: 100%;
	min-width: 0;
	color: #111827;
}

.lbb-bundle-builder__custom-select.is-open {
	z-index: 1000;
}

.lbb-bundle-builder__custom-trigger {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	align-items: center;
	gap: 0.75rem;
	width: 100%;
	max-width: 100%;
	min-height: 46px;
	padding: 0.5rem 0.75rem;
	border: 1px solid #d1d5db;
	border-radius: 6px;
	background: #fff;
	color: #111827;
	font: inherit;
	line-height: 1.3;
	text-align: left;
	cursor: pointer;
	box-shadow: none;
	appearance: none;
	-webkit-appearance: none;
	transition: border-color var(--lbb-transition), box-shadow var(--lbb-transition), background-color var(--lbb-transition);
}

.lbb-bundle-builder__custom-trigger:hover {
	border-color: #9ca3af;
	background: #f8fafc;
}

.lbb-bundle-builder__custom-trigger:focus-visible {
	outline: 2px solid #2563eb;
	outline-offset: 2px;
	border-color: #2563eb;
}

.lbb-bundle-builder__custom-trigger[aria-invalid="true"] {
	border-color: var(--lbb-danger);
}

.lbb-bundle-builder__custom-value {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	min-width: 0;
}

.lbb-bundle-builder__custom-value-title,
.lbb-bundle-builder__custom-option-title {
	display: block;
	min-width: 0;
	overflow: hidden;
	color: #111827;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.lbb-bundle-builder__custom-option-copy {
	display: flex;
	flex: 1 1 auto;
	flex-direction: column;
	justify-content: center;
	min-width: 0;
}

.lbb-bundle-builder__custom-option-meta {
	display: block;
	min-width: 0;
	overflow: hidden;
	color: #6b7280;
	font-size: 0.75rem;
	font-weight: 400;
	line-height: 1.25;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.lbb-bundle-builder__custom-chevron {
	width: 0.5rem;
	height: 0.5rem;
	margin-right: 0.125rem;
	border-right: 2px solid #6b7280;
	border-bottom: 2px solid #6b7280;
	transform: rotate(45deg) translateY(-2px);
	transition: transform var(--lbb-transition);
}

.lbb-bundle-builder__custom-select.is-open .lbb-bundle-builder__custom-chevron {
	transform: rotate(225deg) translate(-2px, -2px);
}

.lbb-bundle-builder__custom-list {
	position: absolute;
	top: calc(100% + 0.25rem);
	left: 0;
	z-index: 1001;
	width: 100%;
	max-width: min(100%, calc(100vw - 2rem));
	max-height: min(18rem, 50vh);
	margin: 0;
	padding: 0.25rem;
	overflow-x: hidden;
	overflow-y: auto;
	border: 1px solid #d1d5db;
	border-radius: 6px;
	background: #fff;
	box-shadow: 0 10px 24px rgb(15 23 42 / 14%);
}

.lbb-bundle-builder__custom-list[hidden] {
	display: none;
}

.lbb-bundle-builder__custom-option {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	width: 100%;
	min-width: 0;
	min-height: 46px;
	padding: 0.5rem 0.625rem;
	border-radius: 4px;
	background: #fff;
	color: #111827;
	cursor: pointer;
}

.lbb-bundle-builder__custom-option:hover,
.lbb-bundle-builder__custom-option.is-active {
	background: #f8fafc;
}

.lbb-bundle-builder__custom-option[aria-selected="true"] {
	background: #f1f5f9;
	font-weight: 600;
}

.lbb-bundle-builder__custom-option[aria-disabled="true"] {
	display: none;
}

.lbb-bundle-builder__custom-image {
	display: block;
	flex: 0 0 28px;
	width: 28px;
	height: 28px;
	border-radius: 4px;
	background: #f1f5f9;
	object-fit: cover;
}

.lbb-bundle-builder__custom-image--placeholder {
	border: 1px solid #e5e7eb;
	background: linear-gradient(135deg, #f1f5f9 0%, #fff 100%);
}

.lbb-bundle-builder__form-errors {
	margin: 0 0 var(--lbb-gap);
	color: var(--lbb-danger);
	font-size: 0.875rem;
}

.lbb-bundle-builder__form-errors:empty {
	display: none;
	margin: 0;
}

.lbb-bundle-builder__choice {
	display: grid;
	gap: 0.4rem;
	min-width: 0;
}

.lbb-bundle-builder__choice-label {
	display: block;
	margin: 0;
	font-size: 0.875rem;
	font-weight: 600;
	line-height: 1.3;
	color: var(--lbb-text);
}

.lbb-bundle-builder__select {
	display: block;
	width: 100%;
	max-width: 100%;
	min-height: 44px;
	padding: 0.55rem 0.7rem;
	border: 1px solid var(--lbb-border);
	border-radius: var(--lbb-radius);
	background: #fff;
	color: inherit;
	font-size: 0.95rem;
	line-height: 1.35;
	transition: border-color var(--lbb-transition), box-shadow var(--lbb-transition);
}

/* Single dropdown keeps a comfortable readable width. */
.lbb-bundle-builder__slot-products > .lbb-bundle-builder__select {
	max-width: min(28rem, 100%);
}

.lbb-bundle-builder__select:focus-visible,
.lbb-bundle-builder__radio-input:focus-visible,
.lbb-bundle-builder__card:has(.lbb-bundle-builder__card-input:focus-visible),
.lbb-bundle-builder__list-row:has(.lbb-bundle-builder__list-input:focus-visible),
.lbb-bundle-builder__load-more:focus-visible,
.lbb-bundle-builder__summary-toggle:focus-visible {
	outline: 2px solid var(--lbb-focus);
	outline-offset: 2px;
}

.lbb-bundle-builder__radio-option {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	min-height: 44px;
	padding: 0.5rem 0.65rem;
	border: 1px solid transparent;
	border-radius: var(--lbb-radius);
	cursor: pointer;
	transition: background-color var(--lbb-transition), border-color var(--lbb-transition);
}

.lbb-bundle-builder__radio-option.is-selected {
	border-color: var(--lbb-accent);
	background: var(--lbb-accent-soft);
}

.lbb-bundle-builder__radio-option:hover:not(.is-disabled) {
	background: var(--lbb-surface);
}

.lbb-bundle-builder__radio-option.is-disabled {
	opacity: 0.55;
	cursor: not-allowed;
}

.lbb-bundle-builder__radio-image {
	flex: 0 0 auto;
	width: var(--lbb-image-size);
	height: var(--lbb-image-size);
	object-fit: cover;
	border-radius: calc(var(--lbb-radius) - 2px);
	background: var(--lbb-surface);
}

.lbb-bundle-builder__radio-image--placeholder {
	display: block;
	background: linear-gradient(135deg, #eee 0%, #f7f7f5 100%);
}

.lbb-bundle-builder__radio-label {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 0.75rem;
	align-items: baseline;
}

.lbb-bundle-builder__card {
	position: relative;
	display: flex;
	flex-direction: column;
	min-height: 44px;
	padding: 0.65rem;
	border: 1px solid var(--lbb-border);
	border-radius: var(--lbb-radius);
	background: #fff;
	cursor: pointer;
	transition: border-color var(--lbb-transition), box-shadow var(--lbb-transition), transform var(--lbb-transition), opacity var(--lbb-transition);
}

.lbb-bundle-builder__card:hover:not(.is-disabled) {
	border-color: var(--lbb-accent);
	transform: translateY(-1px);
}

.lbb-bundle-builder__card.is-selected {
	border-color: var(--lbb-accent);
	background: var(--lbb-accent-soft);
	box-shadow: inset 0 0 0 1px var(--lbb-accent);
}

.lbb-bundle-builder__card.is-disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

/* Selection at max: remaining unselected options are locked, not hidden. */
.lbb-bundle-builder__card.is-capacity-locked,
.lbb-bundle-builder__list-row.is-capacity-locked,
.lbb-bundle-builder__radio-option.is-capacity-locked {
	opacity: 0.55;
	cursor: not-allowed;
}

.lbb-bundle-builder__card-input,
.lbb-bundle-builder__list-input {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
	opacity: 0;
}

.lbb-bundle-builder__card-indicator {
	position: absolute;
	top: 0.5rem;
	right: 0.5rem;
	width: 0.85rem;
	height: 0.85rem;
	border: 2px solid var(--lbb-border);
	border-radius: 50%;
	background: #fff;
	transition: border-color var(--lbb-transition), background-color var(--lbb-transition);
}

.lbb-bundle-builder__card.is-selected .lbb-bundle-builder__card-indicator {
	border-color: var(--lbb-accent);
	background: var(--lbb-accent);
	box-shadow: inset 0 0 0 2px #fff;
}

.lbb-bundle-builder__price-badge {
	position: absolute;
	top: 0.5rem;
	left: 0.5rem;
	z-index: 1;
	padding: 0.15rem 0.4rem;
	font-size: 0.7rem;
	font-weight: 600;
	line-height: 1.2;
	border-radius: 3px;
	background: var(--lbb-accent);
	color: #fff;
}

.lbb-bundle-builder__card-image {
	display: block;
	width: 100%;
	max-width: var(--lbb-image-size);
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: calc(var(--lbb-radius) - 2px);
	background: var(--lbb-surface);
	margin-bottom: 0.5rem;
}

.lbb-bundle-builder__card-image--placeholder {
	background: linear-gradient(135deg, #eee 0%, #f7f7f5 100%);
}

.lbb-bundle-builder__card-body {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	font-size: 0.875rem;
}

.lbb-bundle-builder__list-thumb {
	width: var(--lbb-image-size);
	height: var(--lbb-image-size);
	object-fit: cover;
	border-radius: calc(var(--lbb-radius) - 2px);
	background: var(--lbb-surface);
}

.lbb-bundle-builder__list-row {
	position: relative;
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: 0.75rem;
	min-height: 44px;
	padding: 0.55rem 0.75rem;
	border: 1px solid var(--lbb-border);
	border-radius: var(--lbb-radius);
	background: #fff;
	cursor: pointer;
	transition: border-color var(--lbb-transition), background-color var(--lbb-transition), transform var(--lbb-transition);
}

.lbb-bundle-builder__list-row:hover:not(.is-disabled) {
	border-color: var(--lbb-accent);
}

.lbb-bundle-builder__list-row.is-selected {
	border-color: var(--lbb-accent);
	background: var(--lbb-accent-soft);
}

.lbb-bundle-builder__list-row.is-disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.lbb-bundle-builder__list-thumb--placeholder {
	display: block;
	background: linear-gradient(135deg, #eee 0%, #f7f7f5 100%);
}

.lbb-bundle-builder__list-body {
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
	min-width: 0;
}

.lbb-bundle-builder__list-price {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 0.15rem;
	text-align: right;
	white-space: nowrap;
}

.lbb-bundle-builder__product-name {
	font-weight: 600;
	line-height: 1.3;
}

.lbb-bundle-builder__product-sku,
.lbb-bundle-builder__product-stock,
.lbb-bundle-builder__product-desc,
.lbb-bundle-builder__product-regular {
	color: var(--lbb-muted);
	font-size: 0.8rem;
}

.lbb-bundle-builder__product-desc {
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.lbb-bundle-builder__product-diff,
.lbb-bundle-builder__product-price,
.lbb-bundle-builder__product-sale {
	color: var(--lbb-accent);
	font-weight: 500;
}

.lbb-bundle-builder__product-regular {
	text-decoration: line-through;
}

.lbb-bundle-builder__load-more {
	margin-top: 0.75rem;
	min-height: 44px;
	padding: 0.45rem 0.85rem;
	border: 1px solid var(--lbb-border);
	border-radius: var(--lbb-radius);
	background: #fff;
	color: inherit;
	cursor: pointer;
	transition: border-color var(--lbb-transition), color var(--lbb-transition);
}

.lbb-bundle-builder__load-more:hover {
	border-color: var(--lbb-accent);
	color: var(--lbb-accent);
}

.lbb-bundle-builder__slot-errors,
.lbb-bundle-builder__form-errors,
.lbb-bundle-builder__ajax-error {
	margin-top: 0.5rem;
	color: var(--lbb-danger);
	font-size: 0.875rem;
	min-height: 0;
	transition: opacity var(--lbb-transition);
}

.lbb-bundle-builder__slot-errors:empty,
.lbb-bundle-builder__form-errors:empty,
.lbb-bundle-builder__ajax-error[hidden] {
	display: none;
}

.lbb-bundle-builder__summary {
	margin: 0.25rem 0 0;
	padding: 1rem;
	border: 1px solid var(--lbb-border);
	border-radius: var(--lbb-radius);
	background: var(--lbb-surface);
	transition: opacity var(--lbb-transition);
}

.lbb-bundle-builder__body {
	display: flex;
	flex-direction: column;
	gap: var(--lbb-slot-gap);
}

.lbb-bundle-builder__slots {
	min-width: 0;
}

.lbb-bundle-builder__selected {
	margin: 0 0 0.85rem;
}

.lbb-bundle-builder__selected-title {
	margin: 0 0 0.5rem;
	font-size: 0.9rem;
	font-weight: 600;
	line-height: 1.3;
}

.lbb-bundle-builder__selected-list {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.35rem;
}

.lbb-bundle-builder__selected-list:empty,
.lbb-bundle-builder__selected.is-empty .lbb-bundle-builder__selected-list {
	display: none;
}

.lbb-bundle-builder__selected-item {
	display: flex;
	align-items: flex-start;
	gap: 0.45rem;
	font-size: 0.875rem;
	line-height: 1.35;
}

.lbb-bundle-builder__selected-check {
	flex: 0 0 auto;
	color: var(--lbb-accent);
	font-weight: 700;
}

.lbb-bundle-builder__selected-empty {
	margin: 0;
	font-size: 0.8125rem;
	color: var(--lbb-muted);
}

.lbb-bundle-builder__selected:not(.is-empty) .lbb-bundle-builder__selected-empty {
	display: none;
}

.lbb-bundle-builder__summary-details {
	margin: 0;
}

.lbb-bundle-builder__summary-body {
	padding-top: 0.75rem;
	border-top: 1px solid var(--lbb-border);
	margin-top: 0.35rem;
}

.lbb-bundle-builder__summary-row,
.lbb-bundle-builder__summary-toggle {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	min-height: 44px;
	cursor: default;
	list-style: none;
}

.lbb-bundle-builder__summary-toggle {
	cursor: pointer;
	width: 100%;
}

.lbb-bundle-builder__summary-toggle::after {
	content: "";
	flex: 0 0 auto;
	width: 0.45rem;
	height: 0.45rem;
	margin-left: 0.35rem;
	border-right: 2px solid var(--lbb-muted);
	border-bottom: 2px solid var(--lbb-muted);
	transform: rotate(45deg) translateY(-2px);
	transition: transform var(--lbb-transition);
}

.lbb-bundle-builder__summary-details[open] > .lbb-bundle-builder__summary-toggle::after {
	transform: rotate(225deg) translate(-1px, -1px);
}

.lbb-bundle-builder__summary-toggle::-webkit-details-marker {
	display: none;
}

.lbb-bundle-builder__summary-label {
	font-weight: 600;
}

.lbb-bundle-builder__summary-value {
	margin-left: auto;
	font-weight: 600;
	color: var(--lbb-accent);
	transition: opacity var(--lbb-transition);
}

.lbb-bundle-builder__summary-value .woocommerce-Price-amount,
.lbb-bundle-builder__summary-value .amount {
	font-weight: 600;
	color: inherit;
}

.lbb-bundle-builder.is-invalid .lbb-bundle-builder__summary {
	border-color: var(--lbb-danger);
}

.lbb-bundle-builder.is-loading {
	position: relative;
}

.lbb-bundle-builder.is-loading::after {
	content: "";
	position: absolute;
	top: 0.75rem;
	right: 0.75rem;
	width: 1rem;
	height: 1rem;
	border: 2px solid var(--lbb-border);
	border-top-color: var(--lbb-accent);
	border-radius: 50%;
	animation: lbb-spin 0.7s linear infinite;
}

.lbb-bundle-builder__skeleton {
	display: none;
	flex-direction: column;
	gap: 0.75rem;
	margin-bottom: 1rem;
}

.lbb-bundle-builder.is-skeleton .lbb-bundle-builder__skeleton {
	display: flex;
}

.lbb-bundle-builder.is-skeleton .lbb-bundle-builder__slots,
.lbb-bundle-builder.is-skeleton .lbb-bundle-builder__summary {
	opacity: 0.35;
	pointer-events: none;
}

.lbb-bundle-builder__skeleton-block {
	height: 3rem;
	border-radius: var(--lbb-radius);
	background: linear-gradient(90deg, var(--lbb-surface) 25%, #ececec 50%, var(--lbb-surface) 75%);
	background-size: 200% 100%;
	animation: lbb-shimmer 1.2s ease-in-out infinite;
}

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

@keyframes lbb-shimmer {
	0% {
		background-position: 200% 0;
	}
	100% {
		background-position: -200% 0;
	}
}

.lbb-bundle-builder [aria-invalid="true"] {
	border-color: var(--lbb-danger);
}

/* Tablet: max 2 columns (1-column layout stays single). */
@media (max-width: 900px) {
	.lbb-bundle-builder--layout-columns_2 .lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-columns_3 .lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-columns_4 .lbb-bundle-builder__options {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	/* Narrower viewport: a larger minmax basis yields fewer columns, not more. */
	.lbb-bundle-builder--layout-auto .lbb-bundle-builder__cards.lbb-bundle-builder__options {
		grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
	}

	.lbb-bundle-builder--layout-auto .lbb-bundle-builder__choice-list.lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-auto .lbb-bundle-builder__radio-list.lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-auto .lbb-bundle-builder__list.lbb-bundle-builder__options {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

/* Mobile: single column. */
@media (max-width: 600px) {
	.lbb-bundle-builder {
		margin: 1rem 0;
		padding: 0.85rem 0;
	}

	.lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-columns_1 .lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-columns_2 .lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-columns_3 .lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-columns_4 .lbb-bundle-builder__options,
	.lbb-bundle-builder--layout-auto .lbb-bundle-builder__options {
		grid-template-columns: 1fr;
	}

	.lbb-bundle-builder__list-row {
		grid-template-columns: auto 1fr;
		grid-template-rows: auto auto;
	}

	.lbb-bundle-builder__list-price {
		grid-column: 2;
		align-items: flex-start;
		text-align: left;
	}

	.lbb-bundle-builder__load-more {
		width: 100%;
		margin-top: 0.85rem;
	}

	.lbb-bundle-builder__summary {
		padding: 0.85rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.lbb-bundle-builder *,
	.lbb-bundle-builder *::before,
	.lbb-bundle-builder *::after {
		animation: none !important;
		transition: none !important;
	}
}