:root {
	--slts-navy: #1c2b5a;
	--slts-navy-deep: #111b3e;
	--slts-gold: #c99735;
	--slts-gold-soft: #e8cf94;
	--slts-cream: #f5f0e8;
	--slts-paper: #fffdf8;
	--slts-ink: #171718;
	--slts-rust: #8f2f1f;
}

.slts-chronicle,
.slts-chronicle * {
	box-sizing: border-box;
}

.slts-chronicle button,
.slts-chronicle a {
	-webkit-tap-highlight-color: transparent;
}

.slts-chronicle [hidden] {
	display: none !important;
}

.slts-library {
	position: relative;
	overflow: hidden;
	width: min(100% - 24px, 1320px);
	min-height: min(780px, calc(100vh - 150px));
	margin: 32px auto 64px;
	border: 1px solid rgba(28, 43, 90, 0.12);
	border-radius: 32px;
	background:
		radial-gradient(circle at 76% 30%, rgba(232, 207, 148, 0.26), transparent 28%),
		linear-gradient(135deg, #f8f3ec 0%, #eee6da 100%);
	box-shadow: 0 28px 80px rgba(18, 27, 62, 0.12);
	color: var(--slts-ink);
}

.slts-library::before,
.slts-library::after {
	position: absolute;
	content: '';
	pointer-events: none;
}

.slts-library::before {
	top: 0;
	left: 0;
	width: 100%;
	height: 7px;
	background: linear-gradient(90deg, var(--slts-navy), var(--slts-gold), var(--slts-navy));
}

.slts-library::after {
	right: -110px;
	bottom: -110px;
	width: 360px;
	height: 360px;
	border: 1px solid rgba(201, 151, 53, 0.18);
	border-radius: 50%;
	box-shadow: 0 0 0 38px rgba(201, 151, 53, 0.06), 0 0 0 76px rgba(201, 151, 53, 0.04);
}

.slts-library__inner {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
	align-items: center;
	gap: clamp(36px, 7vw, 110px);
	min-height: inherit;
	padding: clamp(40px, 7vw, 96px);
}

.slts-library__copy {
	max-width: 600px;
}

.slts-library__eyebrow,
.slts-chronicle-card__eyebrow,
.slts-contents__eyebrow {
	margin: 0 0 14px;
	color: var(--slts-rust);
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.slts-library h1 {
	max-width: 650px;
	margin: 0;
	color: var(--slts-navy-deep);
	font-family: Georgia, 'Times New Roman', serif;
	font-size: clamp(3rem, 6vw, 6.4rem);
	font-weight: 500;
	letter-spacing: -0.045em;
	line-height: 0.92;
}

.slts-library__lede {
	max-width: 580px;
	margin: 30px 0 0;
	font-size: clamp(1rem, 1.5vw, 1.25rem);
	line-height: 1.65;
}

.slts-library__facts {
	display: flex;
	flex-wrap: wrap;
	gap: 0;
	margin: 34px 0 36px;
}

.slts-library__facts div {
	min-width: 120px;
	padding: 0 24px;
	border-left: 1px solid rgba(28, 43, 90, 0.2);
}

.slts-library__facts div:first-child {
	padding-left: 0;
	border-left: 0;
}

.slts-library__facts dt {
	color: rgba(23, 23, 24, 0.58);
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.13em;
	text-transform: uppercase;
}

.slts-library__facts dd {
	margin: 4px 0 0;
	font-size: 0.95rem;
	font-weight: 650;
}

.slts-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 18px;
	min-height: 54px;
	padding: 14px 24px;
	border: 0;
	border-radius: 2px;
	font: inherit;
	font-size: 0.92rem;
	font-weight: 700;
	line-height: 1;
	text-decoration: none;
	cursor: pointer;
	transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.slts-button--primary {
	background: var(--slts-rust);
	box-shadow: 0 12px 28px rgba(143, 47, 31, 0.2);
	color: #fff;
}

.slts-button--primary:hover,
.slts-button--primary:focus-visible {
	background: #742417;
	box-shadow: 0 16px 34px rgba(116, 36, 23, 0.28);
	color: #fff;
	transform: translateY(-2px);
}

.slts-library__display {
	position: relative;
	display: grid;
	place-items: end center;
	min-height: 620px;
}

.slts-library__arch {
	position: absolute;
	top: 0;
	left: 50%;
	width: min(100%, 480px);
	height: 570px;
	border: 1px solid rgba(28, 43, 90, 0.13);
	border-bottom: 0;
	border-radius: 240px 240px 0 0;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(222, 211, 194, 0.26));
	box-shadow: inset 0 0 70px rgba(28, 43, 90, 0.06);
	transform: translateX(-50%);
}

.slts-cover-book {
	position: relative;
	z-index: 2;
	width: min(68%, 330px);
	margin-bottom: 34px;
	perspective: 1600px;
	filter: drop-shadow(24px 28px 26px rgba(20, 25, 45, 0.22));
	transform: rotateY(-10deg) rotateX(1deg);
	transform-style: preserve-3d;
	transition: transform 600ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.slts-cover-book:hover {
	transform: rotateY(-3deg) translateY(-8px);
}

.slts-cover-book::after {
	position: absolute;
	top: 1%;
	right: -9px;
	width: 10px;
	height: 98%;
	border-radius: 0 3px 3px 0;
	background: repeating-linear-gradient(90deg, #d9d1c4 0 1px, #fffdf6 1px 3px);
	content: '';
	transform: translateZ(-2px);
}

.slts-cover-book img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 2px 5px 5px 2px;
	box-shadow: inset 2px 0 rgba(255, 255, 255, 0.25);
	user-select: none;
}

.slts-library__shelf {
	position: absolute;
	right: 0;
	bottom: 9px;
	left: 0;
	height: 24px;
	border-radius: 3px;
	background: linear-gradient(180deg, #6c2e20, #3e1a12);
	box-shadow: 0 14px 20px rgba(35, 19, 14, 0.28);
}

.slts-reader {
	position: relative;
	width: min(100%, 1600px);
	min-height: 820px;
	margin: 0 auto 42px;
	overflow: hidden;
	border-radius: 24px;
	background: var(--slts-navy-deep);
	box-shadow: 0 28px 90px rgba(9, 16, 42, 0.28);
	color: #fff;
	isolation: isolate;
}

.slts-reader:fullscreen {
	width: 100vw;
	height: 100vh;
	max-width: none;
	border-radius: 0;
}

.slts-reader__header,
.slts-reader__footer {
	position: relative;
	z-index: 20;
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	min-height: 70px;
	padding: 12px clamp(16px, 3vw, 40px);
	background: rgba(11, 20, 49, 0.92);
	backdrop-filter: blur(16px);
}

.slts-reader__header {
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.slts-reader__identity {
	display: grid;
	place-items: center;
	font-family: Georgia, 'Times New Roman', serif;
	font-size: 1.05rem;
	letter-spacing: 0.02em;
}

.slts-reader__identity small {
	margin-top: 2px;
	color: var(--slts-gold-soft);
	font-family: inherit;
	font-size: 0.66rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.slts-reader__actions {
	display: flex;
	justify-content: flex-end;
	gap: 8px;
}

.slts-reader__close {
	justify-self: start;
}

.slts-icon-button,
.slts-footer-button,
.slts-turn-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border: 0;
	background: transparent;
	color: inherit;
	font: inherit;
	cursor: pointer;
}

.slts-icon-button {
	gap: 8px;
	min-width: 42px;
	height: 42px;
	padding: 0 12px;
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-radius: 99px;
	font-size: 1.08rem;
}

.slts-icon-button:hover,
.slts-icon-button:focus-visible {
	border-color: var(--slts-gold-soft);
	background: rgba(255, 255, 255, 0.08);
}

.slts-reader__body {
	position: relative;
}

.slts-reader__stage {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	height: clamp(570px, 72vh, 900px);
	overflow: hidden;
	background:
		radial-gradient(ellipse at 50% 48%, rgba(201, 151, 53, 0.18), transparent 34%),
		radial-gradient(ellipse at 50% 115%, rgba(50, 72, 138, 0.36), transparent 50%),
		linear-gradient(135deg, #182753, #0c1433 70%);
}

.slts-reader__stage::after {
	position: absolute;
	right: 10%;
	bottom: 8%;
	left: 10%;
	height: 9%;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.32);
	content: '';
	filter: blur(28px);
	pointer-events: none;
}

.slts-book-shell {
	position: relative;
	z-index: 2;
	display: flex;
	align-items: center;
	justify-content: center;
	width: calc(100% - 150px);
	height: calc(100% - 42px);
}

.slts-book {
	width: 100%;
	height: 100%;
}

.slts-book-page {
	background: var(--slts-paper);
	box-shadow: inset 0 0 20px rgba(28, 43, 90, 0.08);
	user-select: none;
}

.slts-book-page__surface,
.slts-book-page__surface img {
	display: block;
	width: 100%;
	height: 100%;
}

.slts-book-page__surface {
	position: relative;
	overflow: hidden;
	background: #fff;
}

.slts-book-page__surface img {
	object-fit: contain;
	user-select: none;
	-webkit-user-drag: none;
}

.slts-book-page__guard {
	position: absolute;
	inset: 0;
	z-index: 2;
}

.slts-turn-button {
	position: absolute;
	z-index: 8;
	top: 50%;
	width: 52px;
	height: 74px;
	border: 1px solid rgba(255, 255, 255, 0.16);
	border-radius: 99px;
	background: rgba(255, 255, 255, 0.08);
	font-family: Arial, sans-serif;
	font-size: 2.4rem;
	transform: translateY(-50%);
	transition: background 160ms ease, transform 160ms ease;
}

.slts-turn-button:hover,
.slts-turn-button:focus-visible {
	background: rgba(255, 255, 255, 0.17);
	transform: translateY(-50%) scale(1.04);
}

.slts-turn-button--previous {
	left: 18px;
}

.slts-turn-button--next {
	right: 18px;
}

.slts-reader__footer {
	border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.slts-footer-button {
	gap: 10px;
	min-height: 40px;
	font-size: 0.84rem;
	font-weight: 650;
}

.slts-footer-button:last-child {
	justify-self: end;
}

.slts-reader__progress {
	display: grid;
	grid-template-columns: minmax(90px, 1fr) minmax(100px, 220px) auto;
	align-items: center;
	gap: 14px;
	min-width: min(620px, 52vw);
	color: rgba(255, 255, 255, 0.72);
	font-size: 0.72rem;
}

.slts-reader__progress > span:first-child {
	overflow: hidden;
	text-align: right;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.slts-progress {
	height: 3px;
	overflow: hidden;
	border-radius: 99px;
	background: rgba(255, 255, 255, 0.16);
}

.slts-progress span {
	display: block;
	width: 6.25%;
	height: 100%;
	border-radius: inherit;
	background: var(--slts-gold-soft);
	transition: width 400ms ease;
}

.slts-reader__privacy {
	position: relative;
	z-index: 20;
	margin: 0;
	padding: 7px 16px 9px;
	background: rgba(7, 13, 34, 0.98);
	color: rgba(255, 255, 255, 0.48);
	font-size: 0.65rem;
	letter-spacing: 0.04em;
	text-align: center;
}

.slts-contents {
	position: absolute;
	z-index: 30;
	top: 0;
	left: 0;
	width: min(460px, 92vw);
	height: 100%;
	overflow: auto;
	padding: 24px;
	background: rgba(247, 243, 236, 0.98);
	box-shadow: 30px 0 70px rgba(3, 9, 28, 0.34);
	color: var(--slts-ink);
	backdrop-filter: blur(18px);
}

.slts-contents__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	margin-bottom: 22px;
}

.slts-contents__header h2 {
	margin: 0;
	color: var(--slts-navy-deep);
	font-family: Georgia, 'Times New Roman', serif;
	font-size: 2rem;
	font-weight: 500;
}

.slts-contents .slts-icon-button {
	border-color: rgba(28, 43, 90, 0.18);
	color: var(--slts-navy);
}

.slts-contents__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
}

.slts-thumb {
	display: grid;
	grid-template-columns: auto 1fr;
	align-items: start;
	gap: 4px 9px;
	padding: 10px;
	border: 1px solid transparent;
	border-radius: 10px;
	background: transparent;
	color: inherit;
	font: inherit;
	text-align: left;
	cursor: pointer;
	transition: border 160ms ease, background 160ms ease, transform 160ms ease;
}

.slts-thumb:hover,
.slts-thumb:focus-visible,
.slts-thumb.is-current {
	border-color: rgba(28, 43, 90, 0.18);
	background: #fff;
	transform: translateY(-2px);
}

.slts-thumb__image {
	grid-column: 1 / -1;
	display: block;
	overflow: hidden;
	border-radius: 3px;
	box-shadow: 0 8px 20px rgba(28, 43, 90, 0.12);
}

.slts-thumb__image img {
	display: block;
	width: 100%;
	height: auto;
}

.slts-thumb__number {
	color: var(--slts-rust);
	font-size: 0.67rem;
	font-weight: 800;
}

.slts-thumb__label {
	display: -webkit-box;
	overflow: hidden;
	font-size: 0.7rem;
	font-weight: 650;
	line-height: 1.3;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
}

.slts-zoom {
	position: fixed;
	z-index: 999999;
	inset: 0;
	display: grid;
	grid-template-rows: auto 1fr;
	background: rgba(6, 11, 29, 0.97);
	color: #fff;
	backdrop-filter: blur(14px);
}

.slts-zoom__toolbar {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 10px;
	min-height: 68px;
	padding: 12px 24px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.slts-zoom__toolbar > span {
	margin-right: auto;
	font-size: 0.8rem;
	font-weight: 650;
}

.slts-zoom__canvas {
	display: grid;
	place-items: center;
	overflow: auto;
	padding: 32px;
}

.slts-zoom__canvas img {
	display: block;
	max-width: min(92vw, 1180px);
	max-height: calc(100vh - 130px);
	object-fit: contain;
	box-shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
	transition: transform 260ms ease;
	user-select: none;
	-webkit-user-drag: none;
}

.slts-chronicle-card {
	display: grid;
	grid-template-columns: minmax(150px, 260px) minmax(0, 1fr);
	align-items: center;
	gap: clamp(28px, 6vw, 78px);
	width: min(100% - 32px, 1180px);
	margin: 68px auto;
	padding: clamp(28px, 5vw, 62px);
	overflow: hidden;
	border-radius: 24px;
	background: linear-gradient(135deg, #f4eee5, #fbf8f2);
	box-shadow: 0 22px 60px rgba(28, 43, 90, 0.1);
}

.slts-chronicle-card__cover {
	position: relative;
	width: min(100%, 230px);
	margin: 0 auto;
	filter: drop-shadow(18px 20px 18px rgba(28, 43, 90, 0.2));
	transform: rotate(-3deg);
}

.slts-chronicle-card__cover img {
	display: block;
	width: 100%;
	height: auto;
}

.slts-chronicle-card__copy h2 {
	margin: 0;
	color: var(--slts-navy-deep);
	font-family: Georgia, 'Times New Roman', serif;
	font-size: clamp(2.3rem, 5vw, 4.8rem);
	font-weight: 500;
	letter-spacing: -0.04em;
	line-height: 0.98;
}

.slts-chronicle-card__copy p:not(.slts-chronicle-card__eyebrow) {
	max-width: 650px;
	margin: 20px 0 28px;
	font-size: 1.05rem;
	line-height: 1.65;
}

body.slts-reader-open,
body.slts-zoom-open {
	overflow: hidden;
}

body.slts-chronicle-page main,
body.slts-chronicle-page .wp-site-blocks {
	max-width: none;
}

body.slts-chronicle-page main > .wp-block-group:first-child {
	display: none !important;
}

body.slts-chronicle-page .entry-content.wp-block-post-content {
	padding-right: 0;
	padding-left: 0;
}

body.slts-chronicle-page .entry-content.wp-block-post-content > .slts-chronicle {
	width: 100% !important;
	max-width: none !important;
}

.slts-chronicle button:focus-visible,
.slts-chronicle a:focus-visible {
	outline: 3px solid #f4c967;
	outline-offset: 3px;
}

@media (max-width: 900px) {
	.slts-library__inner {
		grid-template-columns: 1fr;
		padding: 52px clamp(24px, 7vw, 60px);
	}

	.slts-library__copy {
		text-align: center;
	}

	.slts-library__lede {
		margin-right: auto;
		margin-left: auto;
	}

	.slts-library__facts {
		justify-content: center;
	}

	.slts-library__display {
		min-height: 520px;
	}

	.slts-library__arch {
		height: 480px;
	}

	.slts-cover-book {
		width: min(56%, 285px);
	}

	.slts-reader {
		min-height: 720px;
		border-radius: 0;
	}

	.slts-reader__stage {
		height: clamp(520px, 69vh, 780px);
	}

	.slts-reader__progress {
		min-width: min(390px, 48vw);
	}
}

@media (max-width: 620px) {
	.slts-library {
		width: 100%;
		margin-top: 0;
		border-radius: 0;
	}

	.slts-library h1 {
		font-size: clamp(2.8rem, 14vw, 4.2rem);
	}

	.slts-library__facts div {
		min-width: 92px;
		padding: 0 13px;
	}

	.slts-library__display {
		min-height: 440px;
	}

	.slts-library__arch {
		height: 410px;
	}

	.slts-cover-book {
		width: min(66%, 250px);
	}

	.slts-reader__header,
	.slts-reader__footer {
		grid-template-columns: 1fr auto;
		min-height: 62px;
		padding: 10px 12px;
	}

	.slts-reader__identity {
		display: none;
	}

	.slts-reader__actions {
		grid-column: 2;
	}

	.slts-reader__close-label,
	.slts-footer-button span:not([aria-hidden]) {
		display: none;
	}

	.slts-reader__stage {
		height: calc(100svh - 190px);
		min-height: 440px;
	}

	.slts-book-shell {
		width: calc(100% - 24px);
		height: calc(100% - 24px);
	}

	.slts-turn-button {
		display: none;
	}

	.slts-reader__footer {
		grid-template-columns: 42px minmax(0, 1fr) 42px;
	}

	.slts-reader__progress {
		grid-template-columns: 1fr auto;
		gap: 8px;
		min-width: 0;
	}

	.slts-reader__progress > span:first-child {
		display: none;
	}

	.slts-progress {
		grid-column: 1;
	}

	.slts-contents {
		width: 100%;
		padding: 18px;
	}

	.slts-contents__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.slts-zoom__canvas {
		padding: 14px;
	}

	.slts-chronicle-card {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.slts-chronicle-card__cover {
		width: min(52%, 190px);
	}
}

/*
 * Keep the complete reader inside the usable viewport at every screen size.
 * The theme header remains available in the library view, while the active
 * reading view becomes an immersive overlay with notch-safe controls.
 */

.slts-chronicle.is-reading .slts-reader {
		position: fixed;
		z-index: 999999;
		inset: 0;
		display: grid;
		grid-template-rows: auto minmax(0, 1fr) auto auto;
		width: 100vw;
		height: 100vh;
		height: 100dvh;
		min-height: 0;
		margin: 0;
		border-radius: 0;
}

.slts-chronicle.is-reading .slts-reader__header {
		padding-top: max(10px, env(safe-area-inset-top));
		padding-right: max(clamp(16px, 3vw, 40px), env(safe-area-inset-right));
		padding-left: max(clamp(16px, 3vw, 40px), env(safe-area-inset-left));
}

.slts-chronicle.is-reading .slts-reader__body,
.slts-chronicle.is-reading .slts-reader__stage {
		height: 100%;
		min-height: 0;
}

.slts-chronicle.is-reading .slts-reader__footer {
		padding-right: max(clamp(16px, 3vw, 40px), env(safe-area-inset-right));
		padding-left: max(clamp(16px, 3vw, 40px), env(safe-area-inset-left));
}

.slts-chronicle.is-reading .slts-reader__privacy {
		padding-right: max(16px, env(safe-area-inset-right));
		padding-bottom: max(9px, env(safe-area-inset-bottom));
		padding-left: max(16px, env(safe-area-inset-left));
}

@media (prefers-reduced-motion: reduce) {
	.slts-chronicle *,
	.slts-chronicle *::before,
	.slts-chronicle *::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}

@media print {
	body * {
		visibility: hidden !important;
	}

	body::before {
		position: fixed;
		top: 40%;
		left: 10%;
		width: 80%;
		color: #111;
		content: 'The Siam-Lanka Chronicle is available exclusively for online reading at slthai.org.';
		font: 22px/1.5 Georgia, serif;
		text-align: center;
		visibility: visible !important;
	}
}