/*
 * One paper field: same hex for wrap, shell, book chrome, wrappers, and page mats.
 * (Spread “gutter” is shadow only — no second background hue.)
 */
.remnant-turn-book-wrap {
	--r7-paper: #f0ebe1;

	margin: 1.5rem auto;
	width: 100%;
	max-width: 100%;
	box-sizing: border-box;
	overflow-x: hidden;
	text-align: center;
	outline: none;
	background: var(--r7-paper);
	padding: 0.5rem 0.35rem 0.75rem;
	border-radius: 6px;
	overscroll-behavior-x: contain;
	overscroll-behavior-y: contain;
}

.remnant-turn-book-wrap:focus-visible {
	box-shadow: 0 0 0 2px #fff, 0 0 0 4px #8a8070;
	border-radius: 6px;
}

/*
 * Tall PDFs (width-first scale): pin shell to top so ‹ › sit beside the book instead of
 * floating mid-column; page scroll is the window — no nested scrollbar on the wrap.
 */
.remnant-turn-book-wrap.remnant-turn-book-wrap--tall-layout .remnant-turn-book-shell {
	align-items: flex-start;
}

.remnant-turn-book-wrap.remnant-turn-book-wrap--tall-layout .remnant-turn-book {
	max-width: 100%;
	box-sizing: border-box;
}

/*
 * Cover + back (single-sheet mode): tighten the padded flex band to ~visible cover + ‹ ›
 * (interior spreads stay full-width shell for two-up layout).
 */
.remnant-turn-book-wrap.remnant-turn-book-wrap--single .remnant-turn-book-shell {
	width: max-content;
	max-width: 100%;
	margin-left: auto;
	margin-right: auto;
	justify-content: center;
}

/* Narrow chrome when only one page column is active (cover / back cover). */
.remnant-turn-book-wrap.remnant-turn-book-wrap--single {
	max-width: 100%;
}

.remnant-turn-book-shell {
	display: inline-flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 0.35rem 0.5rem;
	padding: 0.3rem 0.45rem;
	background: var(--r7-paper);
	border-radius: 4px;
	width: max-content;
	max-width: 100%;
	margin-left: auto;
	margin-right: auto;
	box-sizing: border-box;
}

@media (max-width: 600px) {
	.remnant-turn-book-shell {
		flex-direction: column;
		width: 100%;
	}

	/* Book first, then controls — full width for sizing JS */
	.remnant-turn-book-shell .remnant-turn-book {
		order: -1;
		width: 100%;
		max-width: 100%;
	}

	/* Single sheet: let Turn’s pixel width define the column (keeps shell hugging the cover) */
	.remnant-turn-book-wrap.remnant-turn-book-wrap--single .remnant-turn-book-shell .remnant-turn-book {
		width: auto;
		max-width: 100%;
	}
}

.remnant-turn-book-btn {
	flex: 0 0 auto;
	min-width: 2.75rem;
	min-height: 2.75rem;
	padding: 0 0.5rem;
	border: 1px solid #d2c9b9;
	border-radius: 6px;
	background: #faf6ef;
	color: #3a342c;
	font-size: 1.75rem;
	line-height: 1;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease;
}

.remnant-turn-book-btn:hover {
	background: #f2ebe0;
	border-color: #a99f8f;
}

.remnant-turn-book-btn:active {
	background: #e8e0d4;
}

.remnant-turn-book-hint {
	margin: 0.75rem auto 0;
	max-width: 36rem;
	font-size: 0.875rem;
	line-height: 1.35;
	color: #5e574c;
}

.remnant-turn-book {
	display: inline-block;
	margin: 0 auto;
	background: var(--r7-paper);
	box-shadow:
		0 1px 0 rgba(255, 255, 255, 0.5),
		0 10px 28px rgba(62, 54, 44, 0.1);
	touch-action: none;
	-webkit-touch-callout: none;
}

.remnant-turn-book.remnant-turn-book--single {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.remnant-turn-book > .turn-page-wrapper {
	box-shadow:
		inset -3px 0 10px rgba(62, 54, 44, 0.05),
		inset 3px 0 10px rgba(62, 54, 44, 0.05);
}

.remnant-turn-book .turn-page-wrapper {
	background-color: var(--r7-paper);
	overflow: hidden;
}

.remnant-turn-book .turn-page {
	position: relative;
	isolation: isolate;
	background-color: #ffffff;
	height: 100%;
	overflow: hidden;
}

/* Vendor turn.min.css adds side gradients — can look like wide margins; keep paper flat here. */
.remnant-turn-book .turn-page.odd,
.remnant-turn-book .turn-page.even {
	background-image: none;
}

/*
 * Hairline only (no top/side inset “wash”) — strong white vignettes read as clipped title area
 * on portrait covers; `object-fit: cover` was cropping the top of each page image.
 */
.remnant-turn-book .turn-page::before {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 0;
	box-shadow: inset 0 0 0 1px rgba(235, 228, 216, 0.45);
}

/* `contain` shows the full WebP; letterbox bars use .turn-page background (white). */
.remnant-turn-book .turn-page img {
	display: block;
	position: relative;
	z-index: 1;
	width: 100%;
	height: 100%;
	max-height: none;
	object-fit: contain;
	object-position: top center;
	pointer-events: none;
	user-select: none;
	-webkit-user-drag: none;
}

.remnant-turn-book .turn-page.odd::after,
.remnant-turn-book .turn-page.even::after {
	content: "";
	position: absolute;
	width: 40px;
	height: 40px;
	pointer-events: none;
	z-index: 2;
}

.remnant-turn-book .turn-page.odd::after {
	right: 0;
	bottom: 0;
	background: linear-gradient(
		225deg,
		rgba(90, 78, 62, 0.1) 0%,
		rgba(90, 78, 62, 0.03) 48%,
		transparent 52%
	);
}

.remnant-turn-book .turn-page.even::after {
	left: 0;
	bottom: 0;
	background: linear-gradient(
		315deg,
		rgba(90, 78, 62, 0.1) 0%,
		rgba(90, 78, 62, 0.03) 48%,
		transparent 52%
	);
}

.remnant-turn-book--missing {
	padding: 1rem;
	background: #fff3cd;
	border: 1px solid #e0c400;
	color: #5c4b00;
	text-align: left;
}

@media (max-width: 782px) {
	.remnant-turn-book {
		transform-origin: top center;
	}
}