.spbpc {
	--spbpc-ink: #3d2a1a;
	--spbpc-soft: #6b5644;
	--spbpc-bg: #f3eee6;
	--spbpc-card: #fff;
	--spbpc-border: #e2d9cc;
	--spbpc-accent: #3d2a1a;
	--spbpc-font: "DM Sans", system-ui, sans-serif;
	--spbpc-display: "Fraunces", Georgia, serif;

	font-family: var(--spbpc-font);
	color: var(--spbpc-ink);
	background: linear-gradient(180deg, #ebe4d8 0%, var(--spbpc-bg) 40%, #f7f3ec 100%);
	border-radius: 16px;
	padding: 2rem 1.35rem 2.25rem;
	max-width: 720px;
	margin: 1.5rem auto;
	box-sizing: border-box;
}

.spbpc *,
.spbpc *::before,
.spbpc *::after {
	box-sizing: border-box;
}

.spbpc__eyebrow {
	margin: 0 0 0.4rem;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--spbpc-soft);
}

.spbpc__title {
	margin: 0 0 0.5rem;
	font-family: var(--spbpc-display);
	font-size: clamp(1.75rem, 4vw, 2.25rem);
	line-height: 1.15;
}

.spbpc__lede {
	margin: 0;
	color: var(--spbpc-soft);
	font-size: 0.98rem;
}

.spbpc__progress {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	padding: 0;
	margin: 1.5rem 0 1.25rem;
}

.spbpc__progress li {
	font-size: 0.78rem;
	font-weight: 600;
	padding: 0.35rem 0.7rem;
	border-radius: 999px;
	background: rgba(61, 42, 26, 0.08);
	color: var(--spbpc-soft);
}

.spbpc__progress li.is-active,
.spbpc__progress li.is-done {
	background: var(--spbpc-accent);
	color: #fff;
}

.spbpc__step-title {
	margin: 0 0 1rem;
	font-size: 1.1rem;
}

.spbpc__row {
	display: grid;
	gap: 0.85rem;
}

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

.spbpc__field {
	display: grid;
	gap: 0.35rem;
	font-size: 0.9rem;
	font-weight: 600;
}

.spbpc__field--narrow {
	max-width: 220px;
}

.spbpc__field input {
	width: 100%;
	border: 1px solid #d9d0c4;
	border-radius: 10px;
	padding: 0.7rem 0.8rem;
	font: inherit;
	font-weight: 500;
	background: #fff;
}

.spbpc__choices {
	display: grid;
	gap: 0.65rem;
}

.spbpc__choice {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	padding: 0.85rem 1rem;
	border: 1px solid var(--spbpc-border);
	border-radius: 12px;
	background: var(--spbpc-card);
	cursor: pointer;
	font-weight: 600;
}

.spbpc__choice:has(input:checked) {
	border-color: var(--spbpc-accent);
	box-shadow: 0 0 0 2px rgba(61, 42, 26, 0.12);
}

.spbpc__choice-hint {
	display: block;
	font-weight: 500;
	font-size: 0.8rem;
	color: var(--spbpc-soft);
	margin-top: 0.15rem;
}

.spbpc__hint {
	margin: 0 0 1rem;
	color: var(--spbpc-soft);
	font-size: 0.92rem;
}

.spbpc__quality-slots {
	display: grid;
	gap: 0.9rem;
}

.spbpc__sheet-slot select {
	width: 100%;
	border: 1px solid #d9d0c4;
	border-radius: 10px;
	padding: 0.7rem 0.8rem;
	font: inherit;
	font-weight: 500;
	background: #fff;
}

.spbpc__nav {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
	margin-top: 1.5rem;
}

.spbpc__btn {
	appearance: none;
	border: none;
	cursor: pointer;
	background: var(--spbpc-accent);
	color: #fff;
	font: inherit;
	font-weight: 600;
	padding: 0.75rem 1.25rem;
	border-radius: 10px;
}

.spbpc__btn:disabled {
	opacity: 0.65;
	cursor: wait;
}

#spbpc-submit {
	border: 1px solid var(--ast-global-color-9);
	border-color: var(--ast-global-color-9);
	background-color: var(--ast-global-color-9);
}

.spbpc__btn--ghost {
	background: transparent;
	color: var(--spbpc-ink);
	border: 1px solid var(--spbpc-border);
}

.spbpc__btn--cart {
	background: #1a7f37;
}

.single-product .product_meta + .spbpc,
.single-product .spbpc {
	margin-top: 0.5rem;
}

.spbpc__error {
	margin: 1rem 0 0;
	padding: 0.7rem 0.85rem;
	border-radius: 10px;
	background: #fdeceb;
	color: #8a1f1a;
	font-size: 0.92rem;
}

.spbpc__price-block {
	background: var(--spbpc-card);
	border: 1px solid var(--spbpc-border);
	border-radius: 12px;
	padding: 1.1rem 1.2rem;
}

.spbpc__unit,
.spbpc__total {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	margin: 0.35rem 0;
}

.spbpc__total {
	margin-top: 0.75rem;
	padding-top: 0.75rem;
	border-top: 1px solid var(--spbpc-border);
	font-size: 1.15rem;
}

.spbpc__summary {
	margin: 1rem 0 0;
	padding: 0;
	list-style: none;
	color: var(--spbpc-soft);
	font-size: 0.92rem;
}

.spbpc__breakdown {
	margin-top: 1.15rem;
}

.spbpc__breakdown h4 {
	margin: 0 0 0.5rem;
	font-size: 0.95rem;
}

.spbpc__breakdown ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.spbpc__breakdown li {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	padding: 0.35rem 0;
	border-bottom: 1px solid rgba(61, 42, 26, 0.08);
	font-size: 0.9rem;
}

@media (max-width: 640px) {
	.spbpc__row--3 {
		grid-template-columns: 1fr;
	}
}

/* Hide default WooCommerce add-to-cart UI on the carton calculator product. */
body.spbpc-carton-product form.cart:not(.spbpc__form),
body.spbpc-carton-product .summary > form.cart,
body.spbpc-carton-product .entry-summary > form.cart,
body.spbpc-carton-product .single_add_to_cart_button:not(.spbpc__btn),
body.spbpc-carton-product .quantity:not(.spbpc__field),
body.spbpc-carton-product p.price,
body.spbpc-carton-product .woocommerce-variation-add-to-cart {
	display: none !important;
}