/* --- Book Hero --- */
.book-hero {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--spacing-xl);
	margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
	.book-hero {
		grid-template-columns: 260px 1fr;
		gap: var(--spacing-2xl);
	}
}

@media (min-width: 1024px) {
	.book-hero {
		grid-template-columns: 300px 1fr;
	}
}

.book-hero__cover {
	position: relative;
}

.book-hero__glow {
	position: absolute;
	inset: -6px;
	background: linear-gradient(135deg, var(--color-primary), var(--color-accent, #8250df));
	border-radius: var(--radius-lg);
	filter: blur(16px);
	opacity: 0.15;
	transition: opacity 0.4s ease;
	pointer-events: none;
}

.book-hero__cover:hover .book-hero__glow {
	opacity: 0.3;
}

.book-hero__image {
	position: relative;
	aspect-ratio: 2 / 3;
	background: var(--color-bg-alt);
	border-radius: var(--radius-lg);
	overflow: hidden;
	border: 1px solid var(--color-border);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.book-hero__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.book-hero__placeholder {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--spacing-md);
	width: 100%;
	height: 100%;
	padding: var(--spacing-xl);
	color: var(--color-text-secondary);
	background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-card) 100%);
	text-align: center;
}

.book-hero__placeholder-icon {
	opacity: 0.3;
}

.book-hero__placeholder-icon svg {
	width: 40px;
	height: 40px;
}

.book-hero__placeholder-text {
	font-size: 0.8125rem;
	font-weight: 600;
	line-height: 1.3;
	opacity: 0.5;
	display: -webkit-box;
	-webkit-line-clamp: 5;
	-webkit-box-orient: vertical;
	overflow: hidden;
	word-break: break-word;
}

.book-hero__details {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.book-hero__badges {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--spacing-sm);
	margin-bottom: var(--spacing-md);
}

.book-hero__duration {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
	font-size: 0.8125rem;
	color: var(--color-text-secondary);
	line-height: 1;
}

.book-hero__duration svg {
	flex-shrink: 0;
}

.book-hero__title {
	font-size: 1.75rem;
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: var(--spacing-sm);
	color: var(--color-text);
}

@media (min-width: 768px) {
	.book-hero__title {
		font-size: 2.25rem;
	}
}

.book-hero__author {
	font-size: 1.125rem;
	color: var(--color-primary);
	font-style: italic;
	margin-bottom: var(--spacing-lg);
}

.book-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing-md);
	margin-bottom: var(--spacing-lg);
	align-items: center;
}

.book-hero__actions .btn--primary {
	padding: var(--spacing-md) var(--spacing-xl);
	font-size: 0.9375rem;
	border-radius: var(--radius-md);
	box-shadow: 0 4px 12px rgba(9, 105, 218, 0.2);
}

.book-hero__actions .btn--primary:hover {
	box-shadow: 0 6px 20px rgba(9, 105, 218, 0.3);
}

.book-hero__stats {
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing-lg);
	font-size: 0.875rem;
	color: var(--color-text-secondary);
}

.book-hero__stat {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
}

.book-hero__stat svg {
	flex-shrink: 0;
	width: 16px;
	height: 16px;
}

/* --- Book Metadata Chips --- */
.book-metadata {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--spacing-sm);
	margin-bottom: var(--spacing-2xl);
}

@media (min-width: 640px) {
	.book-metadata {
		grid-template-columns: repeat(4, 1fr);
	}
}

.book-metadata__chip {
	background: var(--color-bg-card);
	padding: var(--spacing-md);
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border);
	text-align: center;
}

.book-metadata__label {
	display: block;
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--color-primary);
	margin-bottom: var(--spacing-xs);
}

.book-metadata__value {
	display: block;
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--color-text);
}

/* --- Book Recommendations --- */
.book-recommendations {
	margin-top: var(--spacing-3xl);
	padding-top: var(--spacing-2xl);
}

.book-recommendations__title {
	font-size: 1.5rem;
	font-weight: 700;
	margin-bottom: var(--spacing-xl);
	color: var(--color-text);
}

.book-recommendations__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--spacing-lg);
}

@media (min-width: 640px) {
	.book-recommendations__grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

.book-recommendations__card {
	transition: transform 0.3s ease;
}

.book-recommendations__card--offset {
	transform: translateY(var(--spacing-md));
}

.book-recommendations__link {
	display: block;
	text-decoration: none;
	color: inherit;
}

.book-recommendations__link:hover {
	text-decoration: none;
}

.book-recommendations__thumb {
	aspect-ratio: 2 / 3;
	background: var(--color-bg-alt);
	border-radius: var(--radius-lg);
	overflow: hidden;
	margin-bottom: var(--spacing-sm);
	border: 1px solid var(--color-border);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-recommendations__link:hover .book-recommendations__thumb {
	transform: scale(1.02);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.book-recommendations__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.book-recommendations__placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	color: var(--color-text-secondary);
	opacity: 0.3;
}

.book-recommendations__name {
	font-size: 0.9375rem;
	font-weight: 600;
	line-height: 1.3;
	margin-bottom: 2px;
	color: var(--color-text);
	transition: color 0.2s ease;
}

.book-recommendations__link:hover .book-recommendations__name {
	color: var(--color-primary);
}

.book-recommendations__author {
	font-size: 0.8125rem;
	color: var(--color-text-secondary);
}

@media (max-width: 480px) {
	.book-hero__cover:has(.book-hero__placeholder) {
		display: none;
	}

	.book-hero__title {
		font-size: 1.5rem;
	}

	.book-recommendations__grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--spacing-md);
	}

	.book-recommendations__card--offset {
		transform: none;
	}

	.book-metadata {
		grid-template-columns: repeat(2, 1fr);
	}
}