/* Quire: bookmark column on the left, book column on the right. */

:root {
	--quire-cover-image: url("../images/cover.jpg");
	--quire-paper-image: url("../images/paper.jpg");
	--quire-bookmark-min: 10rem;
	--quire-bookmark-max: 18rem;
	--quire-desk-gap: 1.5rem;
	--quire-flip-duration: 900ms;
}

body.quire-theme {
	background:
		radial-gradient(1200px 700px at 50% 0%, rgba(196, 163, 90, 0.07), transparent 55%),
		#14100d;
	color: var(--wp--preset--color--contrast, #1c1712);
	min-height: 100vh;
}

body.quire-theme .wp-site-blocks {
	min-height: 100vh;
}

/* Desk: bookmark | book. Nothing overlays the cover. */
.quire-desk {
	display: grid;
	grid-template-columns: max-content minmax(0, 1fr);
	gap: var(--quire-desk-gap);
	align-items: start;
	max-width: 86rem;
	margin: 0 auto;
	padding: clamp(1rem, 3vw, 2.5rem);
	min-height: 100vh;
	box-sizing: border-box;
}

.quire-desk > .wp-block-template-part {
	width: max-content;
	min-width: var(--quire-bookmark-min);
	max-width: var(--quire-bookmark-max);
}

/* Bookmark is a left rail. Horizontal type. Looks like a ribbon, acts like a nav. */
.quire-bookmark,
.is-style-quire-bookmark {
	position: relative;
	z-index: 3;
	width: max-content;
	min-width: var(--quire-bookmark-min);
	max-width: var(--quire-bookmark-max);
	min-height: 28rem;
	padding: 1.35rem 0.9rem 2.6rem;
	background-color: var(--quire-bookmark-bg, #6a1822);
	background-image: var(--quire-bookmark-image, linear-gradient(180deg, #8b2430 0%, #6a1822 42%, #4a1018 100%));
	background-size: cover;
	background-position: center;
	color: var(--quire-bookmark-fg, #f6ead0);
	border-radius: 0 0 2.2rem 2.2rem;
	box-shadow:
		3px 10px 18px rgba(0, 0, 0, 0.35),
		inset 0 0 0 1px rgba(196, 163, 90, 0.28);
	writing-mode: horizontal-tb;
	text-orientation: mixed;
	transform: none;
}

.quire-bookmark::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -14px;
	height: 28px;
	background: inherit;
	clip-path: polygon(0 0, 100% 0, 50% 100%);
	filter: brightness(0.92);
}

.quire-bookmark-inner,
.quire-bookmark .wp-block-group,
.quire-bookmark .wp-block-navigation,
.quire-bookmark .wp-block-navigation__container {
	display: flex;
	flex-direction: column;
	align-items: stretch;
	gap: 0.35rem;
	writing-mode: horizontal-tb;
	width: 100%;
}

.quire-bookmark a,
.is-style-quire-bookmark a,
.quire-bookmark .wp-block-navigation-item__label,
.quire-bookmark .wp-block-site-title a,
.quire-account-link {
	display: block;
	width: 100%;
	box-sizing: border-box;
	padding: 0.45rem 0.55rem;
	color: inherit;
	text-decoration: none;
	line-height: 1.25;
	border-radius: 2px;
}

.quire-bookmark .wp-block-navigation,
.quire-bookmark .wp-block-navigation-item,
.quire-bookmark .wp-block-navigation__container,
.quire-bookmark-menu,
.quire-bookmark-menu ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	align-items: stretch;
	width: 100%;
}

.quire-bookmark a:hover,
.quire-bookmark .wp-block-navigation-item__label:hover,
.quire-account-link:hover,
.quire-contents-link:hover,
.quire-history-link:hover {
	background: rgba(0, 0, 0, 0.22);
}

.quire-bookmark-label {
	margin: 0.85rem 0 0.2rem;
	padding: 0 0.55rem;
	font-family: var(--wp--preset--font-family--sans, system-ui, sans-serif);
	font-size: 0.68rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	opacity: 0.55;
}

.quire-history-list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.quire-history-list li + li {
	margin-top: 0.15rem;
}

.quire-history-list a {
	text-transform: none;
	letter-spacing: 0.02em;
	font-size: 0.78rem;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* Book column always sits to the right of the ribbon. */
.quire-book--closed {
	position: relative;
	width: min(28rem, 100%);
	max-width: 32rem;
	aspect-ratio: 2 / 3;
	justify-self: start;
	perspective: 2200px;
	transform-style: preserve-3d;
	filter: drop-shadow(0 24px 36px rgba(0, 0, 0, 0.5));
}

.quire-spread-preview {
	position: absolute;
	inset: 0;
	display: grid;
	grid-template-columns: 1fr 10px 1fr;
	background: #f4efe4;
	border-radius: 8px;
}

.quire-cover {
	position: absolute;
	inset: 0;
	transform-origin: left center;
	transform-style: preserve-3d;
	background-color: #4a1f1a;
	background-image: var(--quire-cover-image);
	background-size: cover;
	background-position: center;
	border-radius: 3px 10px 10px 3px;
	transition: transform var(--quire-flip-duration) cubic-bezier(0.645, 0.045, 0.355, 1);
	backface-visibility: hidden;
}

.quire-book--closed.is-opening .quire-cover {
	transform: rotateY(-155deg);
}

.quire-cover-plate {
	position: absolute;
	left: 16%;
	right: 16%;
	top: 32%;
	bottom: 26%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	gap: 0.55rem;
	color: #f3e6c4;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

.quire-cover-plate .wp-block-site-title,
.quire-cover-plate .wp-block-site-title a {
	color: #f3e6c4 !important;
	font-size: clamp(1.5rem, 3.4vw, 2.4rem);
	font-weight: 500;
	letter-spacing: 0.04em;
	text-decoration: none !important;
}

.quire-cover-plate .wp-block-site-tagline {
	color: #d7c49a !important;
	font-style: italic;
	font-size: 0.95rem;
}

.quire-open-link,
.quire-cover-plate .wp-block-button .wp-block-button__link {
	background: #1c1712;
	color: #f3e6c4 !important;
	border: 1px solid #c4a35a;
	border-radius: 2px;
	font-family: var(--wp--preset--font-family--sans, system-ui, sans-serif);
	font-size: 0.78rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	text-decoration: none !important;
	padding: 0.55rem 1rem;
}

.quire-book--open {
	position: relative;
	width: 100%;
	height: min(82vh, 54rem);
	display: grid;
	grid-template-columns: minmax(0, 1fr) 22px minmax(0, 1fr);
	grid-template-rows: minmax(0, 1fr);
	align-items: stretch;
	overflow: hidden;
	padding: 0 10px;
	box-sizing: border-box;
	background: linear-gradient(180deg, #5a2a22, #2a1410 40%, #4a221c);
	border-radius: 8px;
	filter: drop-shadow(0 20px 28px rgba(0, 0, 0, 0.42));
}

.quire-spine {
	background:
		linear-gradient(90deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.15) 40%, rgba(255, 255, 255, 0.08) 50%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0.5)),
		linear-gradient(180deg, #3d2418, #1a100c 40%, #4a2a1c 70%, #1a100c);
	box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.6);
	z-index: 2;
}

.quire-page,
.is-style-quire-page {
	position: relative;
	z-index: 1;
	background-color: #ead9b8;
	background-image:
		radial-gradient(ellipse at 20% 10%, rgba(90, 50, 20, 0.08), transparent 50%),
		radial-gradient(ellipse at 80% 90%, rgba(60, 30, 10, 0.07), transparent 46%),
		url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
	background-size: auto, auto, 180px 180px;
	color: #2a1c12;
	overflow: auto;
	height: 100%;
	min-height: 0;
	padding: var(--wp--custom--quire--page-padding, 2.2rem);
}

.quire-forced-title,
.quire-forced-content,
.quire-forced-loop,
.quire-forced-meta {
	color: #1c1712;
}

.quire-forced-content p,
.quire-forced-loop p,
.quire-page p,
.quire-page h1,
.quire-page h2,
.quire-page h3 {
	color: inherit;
}

.quire-forced-thumb {
	display: block;
	width: 100%;
	height: auto;
	margin: 1rem 0;
}

.quire-loop-item {
	margin-bottom: 1.4rem;
}

.quire-loop-item h3 {
	margin: 0 0 0.2rem;
}

.quire-loop-item a {
	color: #1c1712;
}

.quire-page--left {
	border-radius: 10px 0 0 10px;
	box-shadow: inset -18px 0 24px -20px rgba(28, 23, 18, 0.35);
}

.quire-page--right {
	border-radius: 0 10px 10px 0;
	box-shadow: inset 18px 0 24px -20px rgba(28, 23, 18, 0.35);
}

.quire-page .wp-block-post-title,
.quire-page .is-style-quire-chapter {
	opacity: var(--wp--custom--quire--title-opacity, 1);
}

.quire-subtitle,
.quire-page .wp-block-post-excerpt {
	opacity: var(--wp--custom--quire--subtitle-opacity, 0.85);
}

.quire-comments,
.quire-page .wp-block-comments {
	opacity: var(--wp--custom--quire--comments-opacity, 0.95);
}

.quire-copyright {
	opacity: var(--wp--custom--quire--copyright-opacity, 0.7);
	font-size: 0.8rem;
}

.quire-flipper {
	pointer-events: none;
	position: absolute;
	inset: 0;
	z-index: 6;
	perspective: 1800px;
	overflow: hidden;
}

.quire-flipper-leaf {
	position: absolute;
	top: 0;
	right: 14px;
	width: calc(50% - 18px);
	height: 100%;
	transform-origin: left center;
	background: #ead9b8;
	box-shadow: -10px 0 24px rgba(0, 0, 0, 0.28);
	animation: quire-turn var(--quire-flip-duration) cubic-bezier(0.645, 0.045, 0.355, 1) forwards;
}

.quire-flipper.is-back .quire-flipper-leaf {
	transform-origin: right center;
	animation-name: quire-turn-back;
}

@keyframes quire-turn {
	from { transform: rotateY(0deg); }
	to { transform: rotateY(-180deg); }
}

@keyframes quire-turn-back {
	from { transform: rotateY(0deg); }
	to { transform: rotateY(180deg); }
}

.quire-edge {
	appearance: none;
	background: transparent;
	border: 0;
	color: #5c5348;
	cursor: pointer;
	font-family: var(--wp--preset--font-family--sans, system-ui, sans-serif);
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	padding: 0.5rem;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 5;
}

.quire-edge-prev { left: 0.2rem; }
.quire-edge-next { right: 0.2rem; }
.quire-edge[disabled] { opacity: 0.2; cursor: default; }

@media (max-width: 900px) {
	.quire-desk {
		grid-template-columns: 1fr;
		padding-top: 0.75rem;
	}

	.quire-bookmark,
	.is-style-quire-bookmark {
		min-height: 0;
		border-radius: 0 0 1rem 1rem;
		padding: 0.75rem 0.85rem 1.4rem;
	}

	.quire-bookmark::after {
		display: none;
	}

	.quire-bookmark-inner,
	.quire-bookmark .wp-block-navigation,
	.quire-bookmark .wp-block-navigation__container {
		flex-direction: row;
		flex-wrap: wrap;
	}

	.quire-bookmark a,
	.quire-account-link,
	.quire-contents-link {
		width: auto;
	}

	.quire-book--closed {
		width: min(22rem, 100%);
		justify-self: center;
	}

	.quire-book--open {
		grid-template-columns: 1fr;
		grid-template-rows: auto;
		height: auto;
	}

	.quire-book--open::before,
	.quire-book--open::after,
	.quire-spine { display: none; }

	.quire-page {
		height: auto;
		min-height: 50vh;
	}

	.quire-page--left,
	.quire-page--right {
		border-radius: 8px;
		min-height: auto;
	}
}

@media (prefers-reduced-motion: reduce) {
	.quire-cover,
	.quire-flipper-leaf {
		transition: none;
		animation: none;
	}
}