/*
 * Single Product Page
 *
 * Reuses existing design tokens throughout (base/variables.css) — no
 * new design system introduced. Loaded only on is_product() (see
 * inc/enqueue.php).
 */

.qehs-product-page {
	padding-block: var(--qehs-space-lg) var(--qehs-space-2xl);
}

/* --- Breadcrumb --- */

.qehs-product-page__breadcrumb {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: var(--qehs-space-xs);
	margin-bottom: var(--qehs-space-lg);
	font-size: 0.9rem;
	color: var(--qehs-text-muted);
}

.qehs-product-page__breadcrumb a {
	color: var(--qehs-text-muted);
}

.qehs-product-page__breadcrumb a:first-child {
	color: var(--qehs-secondary);
	font-weight: 600;
}

.qehs-product-page__breadcrumb span[aria-current] {
	color: var(--qehs-text);
	font-weight: 600;
}

/* --- Three-column main layout --- */

.qehs-product-page__main {
	display: grid;
	grid-template-columns: 300px minmax(0, 1fr) 360px;
	gap: var(--qehs-space-xl);
	align-items: start;
	margin-bottom: var(--qehs-space-2xl);
}

.qehs-product-page__info {
	min-width: 0;
}

.qehs-product-page__related {
	margin-bottom: var(--qehs-space-2xl);
}

.qehs-product-page__tab-panel {
	margin-top: 0;
}

/* --- Gallery --- */

.qehs-product-page__gallery {
	display: flex;
	gap: var(--qehs-space-sm);
}

.qehs-product-page__thumbs {
	display: flex;
	flex-direction: column;
	gap: var(--qehs-space-sm);
	flex-shrink: 0;
}

.qehs-product-page__thumb {
	width: 72px;
	height: 90px;
	padding: 0;
	border: 1px solid var(--qehs-border);
	border-radius: var(--qehs-radius-sm);
	background-color: var(--qehs-background);
	overflow: hidden;
	cursor: pointer;
}

.qehs-product-page__thumb.is-active {
	border-color: var(--qehs-secondary);
	border-width: 2px;
}

.qehs-product-page__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.qehs-product-page__main-image {
	flex: 1;
	min-width: 0;
	aspect-ratio: 5 / 6.5;
	border: 1px solid var(--qehs-border);
	border-radius: var(--qehs-radius-md);
	background-color: var(--qehs-background);
	overflow: hidden;
}

.qehs-product-page__main-image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

/* --- Product info --- */

.qehs-product-page__standards {
	display: flex;
	gap: var(--qehs-space-sm);
	margin-bottom: var(--qehs-space-sm);
}

.qehs-product-page__standard-badge {
	display: inline-block;
	padding: 4px 12px;
	border-radius: var(--qehs-radius-sm);
	background-color: var(--qehs-accent-blue-tint);
	color: var(--qehs-accent-blue);
	font-size: 0.8rem;
	font-weight: 700;
}

.qehs-product-page__title {
	margin: 0 0 var(--qehs-space-md);
	font-size: 2rem;
	font-weight: 800;
	color: var(--qehs-text);
	line-height: 1.2;
}

.qehs-product-page__description {
	margin-bottom: var(--qehs-space-md);
	color: var(--qehs-text-muted);
	font-size: 1rem;
	line-height: 1.6;
}

.qehs-product-page__description p {
	margin: 0 0 var(--qehs-space-sm);
}

.qehs-product-page__rating {
	display: flex;
	align-items: center;
	gap: var(--qehs-space-sm);
	margin-bottom: var(--qehs-space-lg);
}

.qehs-product-page__stars {
	display: inline-flex;
	gap: 2px;
	color: var(--qehs-border);
}

.qehs-product-page__star.is-filled {
	fill: #f5be48;
}

.qehs-product-page__star {
	fill: var(--qehs-border);
}

.qehs-product-page__rating-value {
	font-weight: 700;
}

.qehs-product-page__review-count {
	color: var(--qehs-text-muted);
}

.qehs-product-page__benefits {
	display: flex;
	flex-wrap: wrap;
	gap: var(--qehs-space-md) var(--qehs-space-lg);
	margin-bottom: var(--qehs-space-lg);
	padding-bottom: var(--qehs-space-lg);
	border-bottom: 1px solid var(--qehs-border);
}

.qehs-product-page__benefits span {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--qehs-text-muted);
	font-size: 0.9rem;
}

.qehs-product-page__details {
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: var(--qehs-space-sm);
}

.qehs-product-page__details > div {
	display: grid;
	grid-template-columns: 140px 1fr;
	gap: var(--qehs-space-md);
	font-size: 0.95rem;
}

.qehs-product-page__details dt {
	color: var(--qehs-text);
	font-weight: 600;
}

.qehs-product-page__details dd {
	margin: 0;
	color: var(--qehs-text-muted);
}

/* --- Purchase card --- */

.qehs-product-page__purchase {
	display: flex;
	flex-direction: column;
	gap: var(--qehs-space-lg);
}

.qehs-product-page__purchase-card {
	padding: var(--qehs-space-lg);
	border: 1px solid var(--qehs-border);
	border-radius: var(--qehs-radius-lg);
}

.qehs-product-page__price-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--qehs-space-sm);
	margin-bottom: var(--qehs-space-md);
}

.qehs-product-page__price {
	font-size: 1.8rem;
	font-weight: 800;
	color: var(--qehs-secondary);
}

.qehs-product-page__price del {
	margin-right: 6px;
	font-size: 1rem;
	font-weight: 400;
	color: var(--qehs-text-muted);
	opacity: 0.7;
}

.qehs-product-page__discount-badge {
	flex-shrink: 0;
	padding: 4px 10px;
	border-radius: var(--qehs-radius-sm);
	background-color: var(--qehs-success-tint);
	color: var(--qehs-secondary);
	font-size: 0.8rem;
	font-weight: 700;
	white-space: nowrap;
}

.qehs-product-page__add-to-cart-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	padding: var(--qehs-space-md);
	border: none;
	border-radius: var(--qehs-radius-md);
	background-color: var(--qehs-secondary);
	color: #ffffff;
	font-weight: 700;
	font-size: 0.95rem;
}

.qehs-product-page__add-to-cart-btn:hover {
	filter: brightness(0.95);
}

.qehs-product-page__purchase-divider {
	margin-block: var(--qehs-space-lg);
	border-top: 1px solid var(--qehs-border);
}

.qehs-product-page__purchase-benefits {
	display: flex;
	justify-content: space-between;
	gap: var(--qehs-space-sm);
	text-align: center;
}

.qehs-product-page__purchase-benefits > div {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--qehs-space-xs);
}

.qehs-product-page__purchase-benefit-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border-radius: 999px;
	background-color: var(--qehs-success-tint);
	color: var(--qehs-secondary);
}

.qehs-product-page__purchase-benefits span:last-child {
	font-size: 0.8rem;
	color: var(--qehs-text-muted);
}

/* --- Custom version card --- */

.qehs-product-page__custom-card {
	display: flex;
	gap: var(--qehs-space-md);
	padding: var(--qehs-space-lg);
	border-radius: var(--qehs-radius-lg);
	background-color: var(--qehs-success-tint);
}

.qehs-product-page__custom-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	flex-shrink: 0;
	border-radius: 999px;
	background-color: var(--qehs-background);
	color: var(--qehs-secondary);
}

.qehs-product-page__custom-card strong {
	display: block;
	margin-bottom: var(--qehs-space-xs);
	font-size: 1rem;
}

.qehs-product-page__custom-card p {
	margin: 0 0 var(--qehs-space-sm);
	color: var(--qehs-text-muted);
	font-size: 0.85rem;
	line-height: 1.4;
}

.qehs-product-page__custom-link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--qehs-secondary);
	font-weight: 700;
	font-size: 0.9rem;
}

/* --- Content card: tabs + description/reviews --- */

.qehs-product-page__content-card {
	margin-bottom: var(--qehs-space-2xl);
	padding: var(--qehs-space-lg) var(--qehs-space-xl);
	border: 1px solid var(--qehs-border);
	border-radius: var(--qehs-radius-lg);
}

.qehs-product-page__tabs {
	display: flex;
	gap: var(--qehs-space-xl);
	margin-bottom: var(--qehs-space-lg);
	border-bottom: 1px solid var(--qehs-border);
}

.qehs-product-page__tab {
	padding: var(--qehs-space-sm) 0 var(--qehs-space-md);
	border: none;
	border-bottom: 2px solid transparent;
	background: none;
	font-family: inherit;
	font-weight: 600;
	font-size: 1rem;
	color: var(--qehs-text-muted);
	cursor: pointer;
}

.qehs-product-page__tab.is-active {
	color: var(--qehs-secondary);
	border-bottom-color: var(--qehs-secondary);
}

.qehs-product-page__description-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: var(--qehs-space-xl);
	align-items: start;
}

.qehs-product-page__description-body {
	color: var(--qehs-text);
	line-height: 1.8;
}

.qehs-product-page__description-body p {
	margin: 0 0 var(--qehs-space-md);
}

.qehs-product-page__key-benefits {
	padding: var(--qehs-space-lg);
	border-radius: var(--qehs-radius-md);
	background-color: var(--qehs-success-tint);
}

.qehs-product-page__key-benefits h3 {
	margin: 0 0 var(--qehs-space-md);
	color: var(--qehs-accent-blue);
	font-size: 1.05rem;
	font-weight: 700;
}

.qehs-product-page__key-benefits ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: var(--qehs-space-sm);
}

.qehs-product-page__key-benefits li {
	display: flex;
	align-items: flex-start;
	gap: var(--qehs-space-sm);
	font-size: 0.9rem;
	color: var(--qehs-text);
}

.qehs-product-page__key-benefits svg {
	flex-shrink: 0;
	margin-top: 2px;
	color: var(--qehs-secondary);
}

/* --- Related Products --- */

.qehs-product-page__related-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--qehs-space-lg);
}

.qehs-product-page__related-head h2 {
	margin: 0;
	font-size: 1.6rem;
	font-weight: 700;
}

.qehs-product-page__related-head a {
	color: var(--qehs-secondary);
	font-weight: 600;
}

.qehs-product-page__related-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: var(--qehs-space-lg);
}

/* --- Tablet --- */
@media (max-width: 1280px) {
	.qehs-product-page__main {
		grid-template-columns: 260px minmax(0, 1fr) 320px;
		gap: var(--qehs-space-lg);
	}

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

@media (max-width: 1024px) {
	.qehs-product-page__main {
		grid-template-columns: minmax(0, 1fr);
	}

	.qehs-product-page__gallery {
		max-width: 420px;
	}

	.qehs-product-page__description-layout {
		grid-template-columns: minmax(0, 1fr);
	}

	.qehs-product-page__related-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

/* --- Mobile --- */
@media (max-width: 768px) {
	.qehs-product-page__gallery {
		max-width: 100%;
	}

	.qehs-product-page__details > div {
		grid-template-columns: 110px 1fr;
	}

	.qehs-product-page__content-card {
		padding: var(--qehs-space-md);
	}

	.qehs-product-page__title {
		font-size: 1.5rem;
	}
}

@media (max-width: 480px) {
	.qehs-product-page__gallery {
		flex-direction: column-reverse;
	}

	.qehs-product-page__thumbs {
		flex-direction: row;
	}

	.qehs-product-page__related-grid {
		grid-template-columns: minmax(0, 1fr);
	}

	.qehs-product-page__purchase-benefits {
		flex-wrap: wrap;
	}

	.qehs-product-page__tabs {
		gap: var(--qehs-space-lg);
	}
}