/*
 * Ketabbin 3.3.0 — production-ready WooCommerce book detail page.
 * Hook-based styling keeps WooCommerce templates update-safe.
 */

body.single-product .kb-main {
	padding-bottom: 48px;
}

body.single-product .woocommerce div.product {
	position: relative;
	display: grid;
	grid-template-columns: minmax(360px, .88fr) minmax(440px, 1.12fr);
	gap: 28px 34px;
	margin-top: 24px;
	padding: 22px;
	border: 1px solid var(--line);
	border-radius: 22px;
	background: color-mix(in srgb, var(--surface) 94%, transparent);
	box-shadow: 0 25px 70px rgba(4, 26, 37, .1);
	isolation: isolate;
}

body.single-product .woocommerce div.product::before {
	content: "";
	position: absolute;
	z-index: -1;
	top: 0;
	right: 10%;
	left: 10%;
	height: 1px;
	background: linear-gradient(90deg, transparent, #4bad8b, #f2c970, #fff1bd, #f2c970, transparent);
	background-size: 240% 100%;
	box-shadow: 0 0 12px rgba(242, 201, 112, .32);
	animation: kb-product-gold-line 7s linear infinite;
}

body.single-product .woocommerce div.product::after {
	content: none !important;
	display: none !important;
}

body.single-product .woocommerce div.product div.images,
body.single-product .woocommerce div.product div.summary {
	float: none !important;
	width: auto !important;
	margin: 0 !important;
}

body.single-product .woocommerce div.product div.images {
	position: sticky;
	top: calc(var(--commerce-header-height, 150px) + var(--kb-admin-bar-offset, 0px) + 18px);
	align-self: start;
	padding: 24px;
	border: 1px solid var(--line);
	border-radius: 18px;
	background:
		radial-gradient(circle at 50% 36%, color-mix(in srgb, var(--amber) 13%, transparent), transparent 42%),
		color-mix(in srgb, var(--surface-2) 70%, var(--surface));
	overflow: hidden;
}

body.single-product .woocommerce div.product div.images::after {
	content: "";
	position: absolute;
	z-index: -1;
	right: 16%;
	bottom: 7%;
	left: 16%;
	height: 38px;
	border-radius: 50%;
	background: rgba(2, 19, 27, .22);
	filter: blur(17px);
}

body.single-product .woocommerce div.product div.images .woocommerce-product-gallery__wrapper {
	margin: 0;
}

body.single-product .woocommerce div.product div.images .woocommerce-product-gallery__image {
	display: grid;
	min-height: 490px;
	place-items: center;
}

body.single-product .woocommerce div.product div.images .woocommerce-product-gallery__image a {
	display: grid;
	width: 100%;
	height: 100%;
	place-items: center;
}

body.single-product .woocommerce div.product div.images img {
	width: auto !important;
	max-width: min(78%, 385px);
	max-height: 520px;
	border-radius: 9px;
	object-fit: contain;
	box-shadow: 0 24px 45px rgba(1, 17, 25, .24), 0 0 0 1px rgba(255, 255, 255, .17);
}

body.single-product .woocommerce div.product div.images .flex-control-thumbs {
	display: flex;
	margin-top: 18px;
	justify-content: center;
	gap: 8px;
}

body.single-product .woocommerce div.product div.images .flex-control-thumbs li {
	float: none;
	width: 58px;
	height: 68px;
	padding: 4px;
	border: 1px solid var(--line);
	border-radius: 9px;
	background: var(--surface);
	overflow: hidden;
}

body.single-product .woocommerce div.product div.images .flex-control-thumbs img {
	width: 100% !important;
	height: 100%;
	border-radius: 5px;
	box-shadow: none;
	object-fit: cover;
}

body.single-product .woocommerce div.product .woocommerce-product-gallery__trigger {
	top: 14px;
	right: auto;
	left: 14px;
	display: grid;
	width: 42px;
	height: 42px;
	border: 1px solid var(--line);
	border-radius: 12px;
	background: color-mix(in srgb, var(--surface) 92%, transparent);
	box-shadow: 0 8px 22px rgba(3, 24, 35, .12);
	place-items: center;
}

body.single-product .woocommerce div.product > .onsale {
	z-index: 6;
	top: 36px;
	right: 36px;
	left: auto;
}

body.single-product .woocommerce div.product div.summary {
	padding: 18px 12px 8px;
}

.kb-product-kicker {
	display: flex;
	min-height: 32px;
	margin-bottom: 8px;
	align-items: center;
	gap: 8px;
	color: var(--amber);
	font-size: 9.5px;
	font-weight: 800;
}

.kb-product-kicker svg {
	width: 21px;
	height: 21px;
	fill: none;
	stroke: currentColor;
}

.kb-product-kicker i {
	width: 22px;
	height: 1px;
	background: color-mix(in srgb, var(--amber) 55%, transparent);
}

body.single-product .woocommerce div.product .product_title {
	max-width: 680px;
	margin: 0 0 6px;
	font-size: clamp(31px, 3vw, 48px);
	line-height: 1.38;
	letter-spacing: -.8px;
}

.kb-product-original-title {
	margin: 0 0 9px;
	color: var(--muted);
	font: 500 10px/1.7 Arial, sans-serif;
	letter-spacing: .15px;
}

.kb-book-byline {
	display: grid;
	grid-template-columns: repeat(3, minmax(90px, 1fr));
	margin: 12px 0 14px;
	padding: 11px 0;
	gap: 8px;
	border-block: 1px solid var(--line);
}

.kb-book-byline span {
	min-width: 0;
	padding-left: 8px;
	border-left: 1px solid color-mix(in srgb, var(--line) 68%, transparent);
}

.kb-book-byline span:last-child { border-left: 0; }
.kb-book-byline small,
.kb-book-byline strong { display: block; }
.kb-book-byline small { margin-bottom: 3px; color: var(--muted); font-size: 8px; }
.kb-book-byline strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }

body.single-product .woocommerce div.product .woocommerce-product-rating {
	display: flex;
	margin: 8px 0 2px;
	align-items: center;
	gap: 7px;
}

body.single-product .woocommerce div.product .star-rating { color: #e4aa2d; }
body.single-product .woocommerce div.product .woocommerce-review-link { color: var(--muted); font-size: 9px; }

body.single-product .woocommerce div.product p.price,
body.single-product .woocommerce div.product span.price {
	margin: 11px 0;
	color: var(--text);
	font-size: 23px;
	font-weight: 900;
}

body.single-product .woocommerce div.product p.price del { color: var(--muted); font-size: 14px; font-weight: 500; }
body.single-product .woocommerce div.product p.price ins { color: var(--text); text-decoration: none; }

.kb-format-selector {
	margin: 15px 0;
}

.kb-format-selector > span {
	display: block;
	margin-bottom: 7px;
	color: var(--muted);
	font-size: 8.5px;
	font-weight: 750;
}

.kb-format-selector > div {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 8px;
}

.kb-format-selector > div > :is(span, a) {
	position: relative;
	display: grid;
	grid-template-columns: 30px 1fr;
	grid-template-rows: auto auto;
	min-height: 61px;
	padding: 9px 11px;
	align-items: center;
	column-gap: 8px;
	border: 1px solid var(--line);
	border-radius: 11px;
	background: var(--surface);
	transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.kb-format-selector > div > :only-child { grid-column: 1 / -1; }

.kb-format-selector > div > a:hover {
	border-color: var(--amber);
	background: color-mix(in srgb, var(--amber) 7%, var(--surface));
	transform: translateY(-1px);
}

.kb-format-selector .is-current {
	border-color: color-mix(in srgb, var(--amber) 65%, var(--line));
	background: color-mix(in srgb, var(--amber) 9%, var(--surface));
	box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--amber) 20%, transparent);
}

.kb-format-selector .is-current::after {
	content: "✓";
	position: absolute;
	top: 7px;
	left: 8px;
	color: var(--amber);
	font-size: 10px;
	font-weight: 900;
}

.kb-format-selector svg {
	grid-row: 1 / 3;
	width: 27px;
	height: 27px;
	fill: none;
	stroke: var(--amber);
}

.kb-format-selector strong { align-self: end; font-size: 10px; }
.kb-format-selector small { align-self: start; color: var(--muted); font-size: 8px; }
.kb-format-selector small .amount { font-weight: 700; }

body.single-product .woocommerce div.product .woocommerce-product-details__short-description {
	margin: 13px 0;
	color: var(--muted);
	font-size: 10.5px;
	line-height: 2;
}

body.single-product .woocommerce div.product .woocommerce-product-details__short-description p:last-child { margin-bottom: 0; }

.kb-product-fulfillment {
	display: flex;
	min-height: 48px;
	margin: 13px 0 9px;
	padding: 8px 11px;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	border: 1px solid var(--line);
	border-radius: 10px;
	background: color-mix(in srgb, var(--surface-2) 56%, var(--surface));
}

.kb-product-fulfillment > span { display: flex; align-items: center; gap: 7px; }
.kb-product-fulfillment svg { width: 20px; height: 20px; fill: none; stroke: #48a477; }
.kb-product-fulfillment b { font-size: 9.5px; }
.kb-product-fulfillment small { color: var(--muted); font-size: 8px; text-align: left; }
.kb-product-fulfillment.is-unavailable svg,
.kb-product-fulfillment.is-unavailable b { color: var(--amber); stroke: currentColor; }

.kb-purchase-box {
	margin-top: 10px;
	padding: 12px;
	border: 1px solid color-mix(in srgb, var(--amber) 38%, var(--line));
	border-radius: 14px;
	background:
		linear-gradient(135deg, color-mix(in srgb, var(--amber) 7%, var(--surface)), var(--surface) 48%),
		var(--surface);
	box-shadow: 0 12px 28px rgba(5, 30, 39, .08);
}

.kb-purchase-box > header {
	display: flex;
	margin-bottom: 10px;
	padding-bottom: 9px;
	align-items: center;
	justify-content: space-between;
	border-bottom: 1px solid var(--line);
}

.kb-purchase-box > header span { font-size: 10px; font-weight: 850; }
.kb-purchase-box > header small { color: #3e9d72; font-size: 8px; }

body.single-product .woocommerce div.product .kb-purchase-box form.cart {
	display: flex;
	margin: 0;
	align-items: stretch;
	gap: 8px;
}

body.single-product .woocommerce div.product .kb-purchase-box .quantity .qty {
	width: 66px;
	height: 48px;
	min-height: 48px;
	border: 1px solid var(--line) !important;
	border-radius: 10px !important;
	background: var(--surface);
	color: var(--text);
}

body.single-product .woocommerce div.product .kb-purchase-box .single_add_to_cart_button,
body.single-product .woocommerce div.product .kb-purchase-box .button {
	min-height: 48px;
	padding: 9px 22px;
	flex: 1;
	border: 1px solid #f3cf74;
	border-radius: 10px;
	background: linear-gradient(135deg, #f3cb64, #d99b30);
	box-shadow: 0 8px 20px rgba(214, 151, 40, .22);
	color: #071d29;
	font-size: 10.5px;
	font-weight: 900;
}

body.single-product .woocommerce div.product .kb-purchase-box .single_add_to_cart_button:hover,
body.single-product .woocommerce div.product .kb-purchase-box .button:hover {
	background: linear-gradient(135deg, #f7d77f, #e3a53b);
	box-shadow: 0 10px 25px rgba(214, 151, 40, .32), 0 0 15px rgba(242, 201, 112, .2);
}

body.single-product .woocommerce div.product .kb-purchase-box table.variations {
	width: 100%;
	margin-bottom: 10px;
}

body.single-product .woocommerce div.product .kb-purchase-box table.variations th,
body.single-product .woocommerce div.product .kb-purchase-box table.variations td {
	display: block;
	width: 100%;
	padding: 3px 0;
	text-align: right;
}

body.single-product .woocommerce div.product .kb-purchase-box table.variations label { font-size: 9px; }
body.single-product .woocommerce div.product .kb-purchase-box table.variations select { width: 100%; min-height: 43px; }

.kb-purchase-box__footer {
	display: flex;
	margin-top: 10px;
	padding-top: 9px;
	gap: 16px;
	border-top: 1px solid var(--line);
	color: var(--muted);
}

.kb-purchase-box__footer span { display: flex; align-items: center; gap: 5px; font-size: 8px; }
.kb-purchase-box__footer svg { width: 17px; height: 17px; fill: none; stroke: var(--amber); }

body.single-product .woocommerce div.product .product_meta {
	display: flex;
	margin-top: 13px;
	padding: 10px 0;
	flex-wrap: wrap;
	gap: 6px 15px;
	border-top: 1px solid var(--line);
	color: var(--muted);
	font-size: 8.5px;
}

body.single-product .woocommerce div.product .product_meta a { color: var(--text); font-weight: 700; }

.kb-product-assurances {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 7px;
	margin-top: 13px;
}

.kb-product-assurances span {
	display: flex;
	min-height: 65px;
	padding: 9px 6px;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 6px;
	border: 1px solid var(--line);
	border-radius: 10px;
	background: color-mix(in srgb, var(--surface-2) 45%, var(--surface));
	color: var(--muted);
	font-size: 8px;
	text-align: center;
}

.kb-product-assurances svg { width: 23px; height: 23px; fill: none; stroke: var(--amber); }

.kb-product-core-actions {
	display: flex;
	margin-top: 9px;
	flex-wrap: wrap;
	gap: 7px;
}

.kb-product-core-actions > * {
	min-height: 40px;
	border-radius: 9px !important;
}

.kb-product-core-actions .kb-wishlist-button {
	position: static;
	display: inline-flex;
	width: auto;
	min-width: 170px;
	padding: 7px 13px;
	align-items: center;
	justify-content: center;
	gap: 7px;
	border: 1px solid var(--line);
	background: var(--surface);
	color: var(--text);
}

.kb-product-core-actions .kb-wishlist-button svg { width: 19px; height: 19px; }
.kb-product-core-actions .kb-wishlist-button span { font-size: 9px; font-weight: 800; }

body.single-product .woocommerce div.product .summary > .kb-button--outline {
	width: 100%;
	min-height: 43px;
	margin-top: 9px;
}

body.single-product .woocommerce div.product .woocommerce-tabs,
body.single-product .woocommerce div.product .related,
body.single-product .woocommerce div.product .upsells {
	grid-column: 1 / -1;
	width: 100%;
}

body.single-product .woocommerce div.product .woocommerce-tabs {
	margin-top: 8px;
	border: 1px solid var(--line);
	border-radius: 16px;
	background: var(--surface);
	overflow: hidden;
}

body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs {
	display: flex;
	margin: 0 !important;
	padding: 8px !important;
	gap: 5px;
	border-bottom: 1px solid var(--line);
	background: color-mix(in srgb, var(--surface-2) 55%, var(--surface));
	overflow-x: auto;
	scrollbar-width: none;
}

body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs::-webkit-scrollbar { display: none; }
body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs::before,
body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs li::before,
body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs li::after { display: none !important; }

body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs li {
	margin: 0 !important;
	padding: 0 !important;
	border: 0 !important;
	border-radius: 9px !important;
	background: transparent !important;
}

body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs li a {
	display: flex;
	min-width: max-content;
	min-height: 39px;
	padding: 7px 13px !important;
	align-items: center;
	border: 1px solid transparent;
	border-radius: 9px;
	color: var(--muted) !important;
	font-size: 9px;
	font-weight: 800 !important;
}

body.single-product .woocommerce div.product .woocommerce-tabs ul.tabs li.active a {
	border-color: color-mix(in srgb, var(--amber) 45%, var(--line));
	background: color-mix(in srgb, var(--amber) 9%, var(--surface));
	color: var(--text) !important;
}

body.single-product .woocommerce div.product .woocommerce-tabs .panel {
	margin: 0;
	padding: 28px 30px;
	color: var(--muted);
	font-size: 10.5px;
	line-height: 2.1;
}

body.single-product .woocommerce div.product .woocommerce-tabs .panel > h2:first-child {
	margin: 0 0 18px;
	color: var(--text);
	font-size: 23px;
}

.kb-book-specs {
	display: grid;
	grid-template-columns: 1fr 1fr;
	width: 100%;
	border: 1px solid var(--line);
	border-radius: 12px;
	border-collapse: separate;
	overflow: hidden;
}

.kb-book-specs tbody,
.kb-book-specs tr { display: contents; }

.kb-book-specs th,
.kb-book-specs td {
	display: block;
	width: auto;
	padding: 12px 14px;
	border-bottom: 1px solid var(--line);
	text-align: right;
}

.kb-book-specs th {
	background: color-mix(in srgb, var(--surface-2) 65%, var(--surface));
	color: var(--muted);
	font-size: 9px;
	font-weight: 650;
}

.kb-book-specs td { color: var(--text); font-size: 10px; }

.kb-product-sample {
	display: grid;
	grid-template-columns: 56px 1fr auto;
	min-height: 105px;
	padding: 18px;
	align-items: center;
	gap: 15px;
	border: 1px solid color-mix(in srgb, var(--amber) 35%, var(--line));
	border-radius: 13px;
	background: color-mix(in srgb, var(--amber) 6%, var(--surface));
}

.kb-product-sample > span {
	display: grid;
	width: 54px;
	height: 54px;
	border-radius: 15px;
	background: color-mix(in srgb, var(--amber) 13%, var(--surface-2));
	place-items: center;
}

.kb-product-sample svg { width: 30px; height: 30px; fill: none; stroke: var(--amber); }
.kb-product-sample h3 { margin: 0 0 4px; color: var(--text); font-size: 14px; }
.kb-product-sample p { margin: 0; }

.kb-product-policies {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin: 15px 0 2px;
	gap: 8px;
}

.kb-product-policies > div {
	display: grid;
	grid-template-columns: 38px minmax(0, 1fr);
	min-height: 68px;
	padding: 11px 12px;
	align-items: center;
	gap: 9px;
	border: 1px solid color-mix(in srgb, var(--amber) 26%, var(--line));
	border-radius: 12px;
	background:
		linear-gradient(135deg, color-mix(in srgb, var(--amber) 6%, transparent), transparent 58%),
		var(--surface);
}

.kb-product-policies > div > span {
	display: grid;
	width: 38px;
	height: 38px;
	border-radius: 11px;
	background: color-mix(in srgb, var(--amber) 11%, var(--surface-2));
	color: var(--amber);
	place-items: center;
}

.kb-product-policies svg {
	width: 21px;
	height: 21px;
	fill: none;
	stroke: currentColor;
}

.kb-product-policies p,
.kb-product-policies strong,
.kb-product-policies small {
	display: block;
	margin: 0;
}

.kb-product-policies strong {
	margin-bottom: 3px;
	color: var(--text);
	font-size: 10px;
}

.kb-product-policies small {
	color: var(--muted);
	font-size: 8.5px;
	line-height: 1.75;
}

body.single-product .woocommerce div.product .related,
body.single-product .woocommerce div.product .upsells {
	margin-top: 8px;
	padding: 23px;
	border: 1px solid var(--line);
	border-radius: 16px;
	background: var(--surface);
}

body.single-product .woocommerce div.product .related > h2,
body.single-product .woocommerce div.product .upsells > h2 {
	margin: 0 0 18px;
	font-size: 23px;
}

body.single-product .woocommerce div.product .related ul.products,
body.single-product .woocommerce div.product .upsells ul.products {
	grid-template-columns: repeat(4, 1fr);
	margin-bottom: 0;
}

html[data-theme="dark"] body.single-product .woocommerce div.product {
	box-shadow: 0 25px 80px rgba(0, 0, 0, .28);
}

html[data-theme="dark"] body.single-product .woocommerce div.product div.images {
	background:
		radial-gradient(circle at 50% 36%, rgba(242, 182, 50, .12), transparent 42%),
		linear-gradient(145deg, #0b242c, #081b25);
}

html[data-theme="dark"] .kb-purchase-box > header small { color: #7fd0a8; }

@media (max-width: 1100px) {
	body.single-product .woocommerce div.product {
		grid-template-columns: minmax(300px, .78fr) minmax(390px, 1.22fr);
		gap: 20px;
	}

	body.single-product .woocommerce div.product div.images .woocommerce-product-gallery__image { min-height: 420px; }
	body.single-product .woocommerce div.product div.images img { max-width: 86%; max-height: 450px; }
}

@media (max-width: 780px) {
	body.single-product .woocommerce div.product {
		display: grid;
		grid-template-columns: minmax(0, 1fr);
		gap: 12px;
		margin-top: 12px;
		padding: 10px;
		border-radius: 15px;
	}

	body.single-product .woocommerce div.product div.images {
		position: relative;
		top: auto;
		padding: 16px 12px;
		border-radius: 13px;
	}

	body.single-product .woocommerce div.product div.images .woocommerce-product-gallery__image { min-height: 370px; }
	body.single-product .woocommerce div.product div.images img { max-width: min(78%, 300px); max-height: 390px; }
	body.single-product .woocommerce div.product div.images .flex-control-thumbs li { width: 49px; height: 58px; }
	body.single-product .woocommerce div.product div.summary { padding: 14px 8px 5px; }
	body.single-product .woocommerce div.product .product_title { font-size: 28px; }
	.kb-book-byline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.kb-book-byline span:nth-child(2n) { border-left: 0; }
	.kb-format-selector > div { grid-template-columns: 1fr 1fr; }
	.kb-product-fulfillment { align-items: flex-start; flex-direction: column; }
	.kb-product-fulfillment small { text-align: right; }
	.kb-product-assurances { grid-template-columns: repeat(3, 1fr); }
	body.single-product .woocommerce div.product .woocommerce-tabs,
	body.single-product .woocommerce div.product .related,
	body.single-product .woocommerce div.product .upsells { grid-column: 1; }
	body.single-product .woocommerce div.product .woocommerce-tabs .panel { padding: 21px 15px; }
	.kb-book-specs { grid-template-columns: minmax(105px, .65fr) 1fr; }
	.kb-product-sample { grid-template-columns: 48px 1fr; padding: 13px; }
	.kb-product-sample > span { width: 46px; height: 46px; }
	.kb-product-sample .kb-button { grid-column: 1 / -1; width: 100%; }
	.kb-product-policies { grid-template-columns: 1fr; }
	body.single-product .woocommerce div.product .related,
	body.single-product .woocommerce div.product .upsells { padding: 16px 10px; }
	body.single-product .woocommerce div.product .related ul.products,
	body.single-product .woocommerce div.product .upsells ul.products { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 430px) {
	body.single-product .woocommerce div.product div.images .woocommerce-product-gallery__image { min-height: 325px; }
	body.single-product .woocommerce div.product div.images img { max-height: 340px; }
	.kb-format-selector > div { grid-template-columns: 1fr; }
	body.single-product .woocommerce div.product .kb-purchase-box form.cart { flex-wrap: wrap; }
	body.single-product .woocommerce div.product .kb-purchase-box .quantity { width: 68px; }
	body.single-product .woocommerce div.product .kb-purchase-box .single_add_to_cart_button { min-width: calc(100% - 76px); }
	.kb-product-assurances { grid-template-columns: 1fr; }
	.kb-product-assurances span { min-height: 48px; flex-direction: row; }
}

@media (prefers-reduced-motion: reduce) {
	body.single-product .woocommerce div.product::before { animation: none; }
	.kb-format-selector > div > a:hover { transform: none; }
}

@keyframes kb-product-gold-line {
	from { background-position: 130% 50%; }
	to { background-position: -130% 50%; }
}