/**
 * Jhinai ePaper Viewer Styles
 * Scoped under .jepaper-*
 */

.jepaper-viewer {
	--jep-bg: #f5f5f5;
	--jep-toolbar: #1a1a1a;
	--jep-text: #fff;
	--jep-accent: #c41e3a;
	--jep-stage: #2a2a2a;
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	background: var(--jep-bg);
	border: 1px solid #ddd;
	border-radius: 4px;
	overflow: hidden;
	position: relative;
	max-width: 100%;
}

.jepaper-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 8px;
	background: var(--jep-toolbar);
	color: var(--jep-text);
	padding: 8px 12px;
	min-height: 48px;
}

.jepaper-toolbar-left,
.jepaper-toolbar-center,
.jepaper-toolbar-right {
	display: flex;
	align-items: center;
	gap: 6px;
}

.jepaper-title {
	font-size: 14px;
	font-weight: 600;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	max-width: 220px;
}

.jepaper-btn {
	background: transparent;
	border: 1px solid rgba(255,255,255,0.25);
	color: var(--jep-text);
	width: 36px;
	height: 36px;
	border-radius: 4px;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 16px;
	text-decoration: none;
	transition: background 0.15s;
}

.jepaper-btn:hover,
.jepaper-btn:focus {
	background: rgba(255,255,255,0.15);
	outline: 2px solid var(--jep-accent);
	outline-offset: 1px;
}

.jepaper-page-info {
	display: flex;
	align-items: center;
	gap: 4px;
	font-size: 14px;
}

.jepaper-page-input {
	width: 52px;
	height: 32px;
	text-align: center;
	border: 1px solid rgba(255,255,255,0.3);
	border-radius: 4px;
	background: rgba(0,0,0,0.3);
	color: #fff;
	font-size: 14px;
}

.jepaper-main {
	display: flex;
	min-height: 60vh;
	background: var(--jep-stage);
}

.jepaper-thumbs {
	width: 100px;
	overflow-y: auto;
	background: #1e1e1e;
	padding: 8px;
	flex-shrink: 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.jepaper-thumbs.is-hidden {
	display: none;
}

.jepaper-thumb {
	background: transparent;
	border: 2px solid transparent;
	padding: 0;
	cursor: pointer;
	border-radius: 3px;
	overflow: hidden;
	color: #ccc;
	font-size: 11px;
	text-align: center;
}

.jepaper-thumb img {
	display: block;
	width: 100%;
	height: auto;
}

.jepaper-thumb.is-active {
	border-color: var(--jep-accent);
}

.jepaper-thumb:hover,
.jepaper-thumb:focus {
	border-color: rgba(255,255,255,0.5);
	outline: none;
}

.jepaper-stage {
	flex: 1;
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	-webkit-overflow-scrolling: touch;
	cursor: default;
	user-select: none;
	touch-action: none;
}

.jepaper-pages {
	display: flex;
	gap: 12px;
	transform-origin: center center;
	transition: transform 0.08s ease-out;
	will-change: transform;
}

.jepaper-page img {
	max-height: calc(100vh - 120px);
	width: auto;
	height: auto;
	max-width: 100%;
	pointer-events: none;
	user-select: none;
	-webkit-user-drag: none;
	image-rendering: -webkit-optimize-contrast;
	image-rendering: high-quality;
}

.jepaper-page {
	max-width: 100%;
	box-shadow: 0 4px 24px rgba(0,0,0,0.4);
	background: #fff;
}

.jepaper-page img {
	display: block;
	max-width: 100%;
	height: auto;
	user-select: none;
	-webkit-user-drag: none;
}

/* Fullscreen */
.jepaper-viewer.is-fullscreen {
	position: fixed;
	inset: 0;
	z-index: 999999;
	border-radius: 0;
	max-width: none;
}

.jepaper-viewer.is-fullscreen .jepaper-main {
	min-height: calc(100vh - 48px);
}

/* Archive */
.jepaper-archive-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
	gap: 20px;
}

.jepaper-archive-item a {
	display: block;
	text-decoration: none;
	color: inherit;
	border: 1px solid #e0e0e0;
	border-radius: 6px;
	overflow: hidden;
	transition: box-shadow 0.2s;
}

.jepaper-archive-item a:hover {
	box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.jepaper-archive-item img {
	width: 100%;
	height: auto;
	display: block;
	aspect-ratio: 3/4;
	object-fit: cover;
	background: #eee;
}

.jepaper-archive-item h3 {
	font-size: 14px;
	margin: 10px 12px 4px;
	line-height: 1.3;
}

.jepaper-archive-item .jepaper-date,
.jepaper-archive-item .jepaper-pages {
	font-size: 12px;
	color: #666;
	margin: 0 12px 8px;
}

.jepaper-error,
.jepaper-empty {
	padding: 24px;
	text-align: center;
	color: #666;
}

/* Mobile */
@media (max-width: 768px) {
	.jepaper-thumbs {
		position: fixed;
		left: 0;
		top: 0;
		bottom: 0;
		z-index: 100;
		transform: translateX(-100%);
		transition: transform 0.25s ease;
		width: 120px;
	}

	.jepaper-thumbs.is-open {
		transform: translateX(0);
	}

	.jepaper-title {
		max-width: 120px;
		font-size: 12px;
	}

	.jepaper-toolbar {
		padding: 6px 8px;
	}

	.jepaper-btn {
		width: 32px;
		height: 32px;
		font-size: 14px;
	}

	.jepaper-stage {
		padding: 8px;
	}

	.jepaper-pages {
		flex-direction: column;
	}
}

/* Print */
@media print {
	.jepaper-toolbar,
	.jepaper-thumbs {
		display: none !important;
	}
	.jepaper-stage {
		padding: 0;
		background: #fff;
	}
	.jepaper-page {
		box-shadow: none;
		page-break-after: always;
	}
}

/* ===== Side nav + 3D flip ===== */
.jepaper-stage-wrap {
	flex: 1;
	display: flex;
	align-items: stretch;
	position: relative;
	min-width: 0;
	min-height: 0;
}
.jepaper-side-nav {
	flex: 0 0 48px;
	width: 48px;
	border: none;
	background: rgba(255,255,255,0.06);
	color: #fff;
	font-size: 28px;
	cursor: pointer;
	transition: background .15s, color .15s;
	z-index: 5;
}
.jepaper-side-nav:hover,
.jepaper-side-nav:focus {
	background: rgba(34, 113, 177, 0.55);
	color: #fff;
	outline: none;
}
.jepaper-side-nav:disabled {
	opacity: 0.25;
	cursor: default;
}
.jepaper-stage-wrap .jepaper-stage {
	flex: 1;
	perspective: 2000px;
	perspective-origin: center center;
}
.jepaper-flipbook {
	position: relative;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	transform-style: preserve-3d;
}
.jepaper-pages {
	position: relative;
	transform-style: preserve-3d;
}
.jepaper-page {
	backface-visibility: hidden;
	transform-origin: left center;
	transition: transform 1.1s cubic-bezier(0.22, 0.61, 0.36, 1), opacity 0.7s ease;
	box-shadow: 0 8px 32px rgba(0,0,0,0.45);
}
.jepaper-page.is-flip-out-next {
	transform: rotateY(-90deg);
	opacity: 0;
}
.jepaper-page.is-flip-out-prev {
	transform: rotateY(90deg);
	opacity: 0;
}
.jepaper-page.is-flip-in {
	animation: jepFlipIn 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
@keyframes jepFlipIn {
	from {
		transform: rotateY(75deg);
		opacity: 0;
	}
	to {
		transform: rotateY(0deg);
		opacity: 1;
	}
}
.jepaper-page.is-flip-in-prev {
	animation: jepFlipInPrev 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
@keyframes jepFlipInPrev {
	from {
		transform: rotateY(-75deg);
		opacity: 0;
	}
	to {
		transform: rotateY(0deg);
		opacity: 1;
	}
}
@media (max-width: 640px) {
	.jepaper-side-nav {
		flex-basis: 36px;
		width: 36px;
		font-size: 22px;
	}
}