/**
 * My PDF Embedder Pro — frontend styles
 */

:root {
	--pep-bg: #1c1f26;
	--pep-stage: #2a2f3a;
	--pep-toolbar: #12151c;
	--pep-fg: #eef1f6;
	--pep-muted: #9aa3b5;
	--pep-accent: #3b82f6;
	--pep-accent-2: #60a5fa;
	--pep-danger: #ef4444;
	--pep-hl: rgba(250, 204, 21, 0.45);
	--pep-radius: 10px;
	--pep-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
	--pep-height: 600px;
	--pep-min-height: 320px;
	--pep-page-gap: 12px;
	--pep-mobile-bp: 768px;
	--pep-tablet-bp: 1024px;
}

.pep-root {
	--pep-width: 100%;
	box-sizing: border-box;
	width: 100%;
	max-width: 100%;
	margin: 1.25rem 0;
	font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
	color: var(--pep-fg);
	display: block;
}

.pep-root *,
.pep-root *::before,
.pep-root *::after {
	box-sizing: border-box;
}

.pep-align-left { margin-left: 0; margin-right: auto; }
.pep-align-center { margin-left: auto; margin-right: auto; }
.pep-align-right { margin-left: auto; margin-right: 0; }

.pep-mode-fullpage .pep-shell,
.pep-mode-fullpage .pep-viewer {
	min-height: 100vh;
	height: 100vh;
	width: 100%;
}

.pep-open-modal {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.7rem 1.1rem;
	border: 0;
	border-radius: 999px;
	background: var(--pep-accent);
	color: #fff;
	font-weight: 600;
	cursor: pointer;
	box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
}

.pep-open-modal:hover { background: var(--pep-accent-2); }

.pep-shell {
	position: relative;
	width: 100%;
	max-width: 100%;
}

.pep-frame {
	display: flex;
	flex-direction: column;
	width: 100%;
	gap: 0.5rem;
	position: relative;
}

.pep-viewer {
	position: relative;
	display: flex;
	flex-direction: column;
	width: 100%;
	max-width: 100%;
	height: var(--pep-height, auto);
	min-height: var(--pep-min-height, 200px);
	max-height: var(--pep-max-height, none);
	border-radius: var(--pep-radius);
	overflow: hidden;
	background: var(--pep-bg);
	box-shadow: var(--pep-shadow);
	outline: none;
	isolation: isolate;
}

.pep-height-page .pep-viewer {
	/* Height is set in px by JS to one page + toolbar */
	min-height: var(--pep-min-height, 200px);
	overflow: hidden;
}

.pep-height-page .pep-body,
.pep-height-page .pep-stage-wrap {
	flex: 1 1 auto;
	min-height: 0;
	min-width: 0;
}

.pep-height-page .pep-stage {
	flex: 1 1 auto;
	min-height: 0;
	min-width: 0;
	overflow: auto;
}

.pep-root[style*="--pep-aspect"] .pep-viewer {
	aspect-ratio: var(--pep-aspect);
	height: auto;
}

@media (max-width: 1024px) {
	.pep-root {
		--pep-height: var(--pep-h-tablet, var(--pep-height));
	}
}

@media (max-width: 768px) {
	.pep-root {
		--pep-height: var(--pep-h-mobile, 70vh);
	}
	.pep-viewer {
		border-radius: 8px;
	}
	.pep-btn { min-width: 40px; min-height: 40px; }
	.pep-toolbar__inner { gap: 0.25rem; padding: 0.35rem; }
}

/* Body / stage */
.pep-body {
	display: flex;
	flex: 1;
	min-height: 0;
	position: relative;
	background: var(--pep-stage);
}

.pep-stage-wrap {
	flex: 1;
	min-width: 0;
	min-height: 0;
	display: flex;
	flex-direction: column;
	position: relative;
	overflow: hidden;
}

.pep-stage {
	flex: 1;
	overflow: auto;
	position: relative;
	-webkit-overflow-scrolling: touch;
	overscroll-behavior: contain;
	cursor: grab;
	min-height: 0;
	min-width: 0;
	scrollbar-gutter: stable;
	scrollbar-width: thin;
	scrollbar-color: #9aa3b5 #1a1e27;
}

.pep-stage::-webkit-scrollbar {
	width: 12px;
	height: 12px;
}

.pep-stage::-webkit-scrollbar-track {
	background: #1a1e27;
}

.pep-stage::-webkit-scrollbar-thumb {
	background: #6b7280;
	border-radius: 8px;
	border: 2px solid #1a1e27;
}

.pep-stage::-webkit-scrollbar-thumb:hover {
	background: #9aa3b5;
}

.pep-stage::-webkit-scrollbar-corner {
	background: #1a1e27;
}

/* Force visible scrollbars by axis */
.pep-scrollbars-both .pep-stage {
	overflow: scroll !important;
}

.pep-scrollbars-vertical .pep-stage {
	overflow-y: scroll !important;
	overflow-x: auto !important;
}

.pep-scrollbars-horizontal .pep-stage {
	overflow-x: scroll !important;
	overflow-y: auto !important;
}

.pep-scrollbars-auto .pep-stage {
	overflow: auto !important;
}

.pep-stage.pep-panning,
.pep-root.pep-panning .pep-stage {
	cursor: grabbing;
	user-select: none;
}

.pep-scroll-horizontal .pep-pages {
	display: flex;
	flex-direction: row;
	align-items: flex-start;
	width: max-content;
	padding: 16px;
}

.pep-scroll-vertical .pep-pages {
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 12px;
	gap: 0;
	width: 100%;
	max-width: 100%;
}

.pep-smooth .pep-stage { scroll-behavior: smooth; }
.pep-snap .pep-page-slot { scroll-snap-align: start; }
.pep-snap .pep-stage { scroll-snap-type: y mandatory; }
.pep-scroll-horizontal.pep-snap .pep-stage { scroll-snap-type: x mandatory; }

.pep-noscrollbars .pep-stage {
	scrollbar-width: none;
}
.pep-noscrollbars .pep-stage::-webkit-scrollbar { display: none; }

.pep-rtl .pep-scroll-horizontal .pep-pages {
	flex-direction: row-reverse;
}

.pep-no-browser-zoom {
	touch-action: pan-x pan-y;
}

.pep-page-slot {
	position: relative;
	background: #fff;
	box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
	margin-bottom: var(--pep-page-gap);
}

.pep-page-canvas {
	display: block;
}

.pep-text-layer,
.pep-highlight-layer {
	position: absolute;
	inset: 0;
	overflow: hidden;
	line-height: 1;
	pointer-events: none;
	z-index: 2;
}

.pep-text-layer span {
	position: absolute;
	white-space: pre;
	color: transparent;
	transform-origin: 0% 0%;
	pointer-events: all;
}

.pep-text-layer span.pep-hl {
	background: var(--pep-hl);
	border-radius: 2px;
	box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.35);
}

.pep-text-layer span.pep-hl-active {
	background: rgba(251, 146, 60, 0.7);
	box-shadow: 0 0 0 2px rgba(234, 88, 12, 0.85);
	outline: 2px solid #ea580c;
	outline-offset: 1px;
}

.pep-spread {
	display: flex;
	gap: var(--pep-page-gap);
	justify-content: center;
	margin-bottom: var(--pep-page-gap);
}

.pep-spread--book {
	perspective: 1200px;
}

.pep-spread--book .pep-page-slot:first-child {
	transform-origin: right center;
	box-shadow: -4px 0 16px rgba(0, 0, 0, 0.2);
}

.pep-spread--book .pep-page-slot:last-child {
	transform-origin: left center;
	box-shadow: 4px 0 16px rgba(0, 0, 0, 0.2);
}

/* Toolbars — sit outside the PDF container */
.pep-toolbar {
	flex-shrink: 0;
	background: var(--pep-toolbar);
	border: 1px solid rgba(255, 255, 255, 0.08);
	z-index: 5;
	transition: opacity 0.2s ease, transform 0.2s ease;
	color: var(--pep-fg);
}

.pep-toolbar--external {
	border-radius: 10px;
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.pep-btn svg {
	pointer-events: none;
}

.pep-toolbar--bottom {
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pep-toolbar--floating {
	position: absolute;
	left: 50%;
	bottom: 1rem;
	transform: translateX(-50%);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 999px;
	box-shadow: var(--pep-shadow);
	width: max-content;
	max-width: calc(100% - 2rem);
	z-index: 20;
}

.pep-toolbar__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	padding: 0.4rem 0.55rem;
	justify-content: space-between;
}

.pep-toolbar__group {
	display: inline-flex;
	align-items: center;
	gap: 0.2rem;
	flex-wrap: wrap;
}

.pep-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.3rem;
	min-width: 34px;
	height: 34px;
	padding: 0 0.45rem;
	border: 0;
	border-radius: 8px;
	background: transparent;
	color: var(--pep-fg);
	cursor: pointer;
}

.pep-zooming .pep-stage {
	scroll-behavior: auto !important;
	pointer-events: none;
}

.pep-btn:focus {
	outline: none;
}

.pep-btn:focus-visible {
	background: rgba(255, 255, 255, 0.1);
	outline: 2px solid rgba(59, 130, 246, 0.6);
	outline-offset: 1px;
}

.pep-btn--ghost { opacity: 0.8; }
.pep-btn-text { font-size: 0.8rem; font-weight: 600; }

.pep-page-input {
	width: 3.2rem;
	height: 30px;
	border-radius: 6px;
	border: 1px solid rgba(255, 255, 255, 0.15);
	background: rgba(255, 255, 255, 0.06);
	color: var(--pep-fg);
	text-align: center;
	font-size: 0.85rem;
}

.pep-page-of,
.pep-page-status {
	font-size: 0.85rem;
	color: var(--pep-muted);
	padding: 0 0.25rem;
}

.pep-zoom-select {
	height: 30px;
	border-radius: 6px;
	border: 1px solid rgba(255, 255, 255, 0.2);
	background: #1e2430 !important;
	color: #ffffff !important;
	font-size: 0.8rem;
	max-width: 11rem;
	min-width: 7.5rem;
	color-scheme: dark;
	-webkit-appearance: menulist;
	appearance: menulist;
}

.pep-zoom-select option,
.pep-zoom-select optgroup {
	background-color: #1e2430;
	color: #ffffff;
	font-weight: 500;
}

.pep-zoom-select option:checked,
.pep-zoom-select option:hover,
.pep-zoom-select option:focus {
	background-color: #2563eb;
	color: #ffffff;
}

/* Toolbar visibility behaviours */
.pep-root[data-toolbar-behaviour="always"] .pep-toolbar { opacity: 1; }
.pep-root[data-toolbar-behaviour="hover"] .pep-toolbar,
.pep-root[data-toolbar-behaviour="autohide"] .pep-toolbar {
	opacity: 0;
	pointer-events: none;
}
.pep-root[data-toolbar-behaviour="hover"].pep-toolbar-visible .pep-toolbar,
.pep-root[data-toolbar-behaviour="autohide"].pep-toolbar-visible .pep-toolbar,
.pep-root.pep-is-fullscreen.pep-toolbar-visible .pep-toolbar {
	opacity: 1;
	pointer-events: auto;
}

.pep-is-fullscreen .pep-toolbar {
	position: sticky;
	top: 0;
}

/* Sidebars */
.pep-sidebar {
	width: 220px;
	max-width: 42vw;
	background: #161922;
	border-right: 1px solid rgba(255, 255, 255, 0.06);
	overflow: auto;
	flex-shrink: 0;
	z-index: 4;
}

.pep-sidebar__head {
	padding: 0.7rem 0.85rem;
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--pep-muted);
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pep-sidebar__body { padding: 0.5rem; }

.pep-outline-item,
.pep-search-hit {
	display: block;
	width: 100%;
	text-align: left;
	background: transparent;
	border: 0;
	color: var(--pep-fg);
	padding: 0.45rem 0.5rem;
	border-radius: 6px;
	cursor: pointer;
	font-size: 0.85rem;
}

.pep-outline-item:hover,
.pep-search-hit:hover {
	background: rgba(255, 255, 255, 0.08);
}

.pep-sidebar ul {
	list-style: none;
	margin: 0;
	padding-left: 0.75rem;
}

.pep-thumb {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.25rem;
	width: 100%;
	margin-bottom: 0.6rem;
	background: transparent;
	border: 1px solid transparent;
	border-radius: 8px;
	padding: 0.35rem;
	color: var(--pep-muted);
	cursor: pointer;
}

.pep-thumb canvas {
	width: 100%;
	height: auto;
	background: #fff;
	border-radius: 4px;
}

.pep-thumb:hover { border-color: var(--pep-accent); color: var(--pep-fg); }

.pep-root [hidden] {
	display: none !important;
}

/* Search panel */
.pep-search-panel {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.35rem;
	padding: 0.45rem 0.6rem;
	background: #0f1218;
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
	z-index: 6;
}

.pep-search-panel[hidden] {
	display: none !important;
}

.pep-search-input {
	flex: 1;
	min-width: 140px;
	height: 32px;
	border-radius: 6px;
	border: 1px solid rgba(255, 255, 255, 0.15);
	background: rgba(255, 255, 255, 0.06);
	color: var(--pep-fg);
	padding: 0 0.6rem;
}

.pep-search-opt {
	font-size: 0.75rem;
	color: var(--pep-muted);
	display: inline-flex;
	align-items: center;
	gap: 0.2rem;
}

.pep-search-count {
	font-size: 0.8rem;
	color: var(--pep-muted);
	min-width: 5rem;
}

/* Loader / error */
/* Diagonal watermark: bottom-left → top-right */
.pep-watermark {
	position: absolute;
	inset: 0;
	z-index: 4;
	pointer-events: none;
	overflow: hidden;
	user-select: none;
}

.pep-watermark__band {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 220%;
	height: 220%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 4.5rem;
	transform: translate(-50%, -50%) rotate(-32deg);
	transform-origin: center center;
	color: var(--pep-wm-color, #111827);
	opacity: var(--pep-wm-opacity, 0.14);
	font-size: var(--pep-wm-size, 32px);
	font-weight: 700;
	letter-spacing: 0.12em;
	line-height: 1;
	text-transform: uppercase;
	white-space: nowrap;
}

.pep-watermark__line {
	display: flex;
	justify-content: center;
	gap: 3.5rem;
	width: 100%;
}

.pep-watermark__line span {
	flex: 0 0 auto;
	opacity: 0.95;
}

.pep-loader,
.pep-error-box {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	background: rgba(28, 31, 38, 0.92);
	z-index: 10;
	color: var(--pep-muted);
}

.pep-spinner {
	width: 36px;
	height: 36px;
	border: 3px solid rgba(255, 255, 255, 0.15);
	border-top-color: var(--pep-accent);
	border-radius: 50%;
	animation: pep-spin 0.8s linear infinite;
}

@keyframes pep-spin {
	to { transform: rotate(360deg); }
}

.pep-error-box {
	color: #fecaca;
	padding: 1.5rem;
	text-align: center;
}

.pep-error {
	color: var(--pep-danger);
	padding: 0.75rem;
	border: 1px solid #fecaca;
	border-radius: 8px;
	background: #fef2f2;
}

/* Mobile teaser */
.pep-mobile-teaser {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.85rem;
	padding: 1rem;
	background: var(--pep-bg);
	border-radius: var(--pep-radius);
	margin-bottom: 0.75rem;
}

.pep-mobile-teaser[hidden] { display: none !important; }

.pep-mobile-thumb {
	max-width: 160px;
	width: 100%;
	height: auto;
	background: #fff;
	border-radius: 6px;
	box-shadow: var(--pep-shadow);
}

.pep-mobile-fs-btn {
	width: 100%;
	max-width: 280px;
	padding: 0.85rem 1rem;
	border: 0;
	border-radius: 10px;
	background: var(--pep-accent);
	color: #fff;
	font-weight: 700;
	font-size: 1rem;
	cursor: pointer;
}

/* Fullscreen / overlay / modal */
.pep-overlay-fs,
.pep-modal-open .pep-shell {
	position: fixed;
	inset: 0;
	z-index: 100000;
	width: 100vw !important;
	height: 100vh !important;
	max-width: none !important;
	margin: 0;
	padding: 0;
	background: #000;
}

.pep-overlay-fs .pep-shell {
	height: 100%;
	display: flex;
	flex-direction: column;
}

.pep-overlay-fs .pep-frame,
.pep-modal-open .pep-frame,
.pep-is-fullscreen .pep-frame {
	height: 100%;
	gap: 0;
}

.pep-overlay-fs .pep-viewer,
.pep-modal-open .pep-viewer,
.pep-is-fullscreen .pep-viewer {
	height: 100% !important;
	max-height: none !important;
	min-height: 0 !important;
	flex: 1 1 auto;
	border-radius: 0;
	box-shadow: none;
}

.pep-overlay-fs .pep-toolbar--external,
.pep-modal-open .pep-toolbar--external,
.pep-is-fullscreen .pep-toolbar--external {
	border-radius: 0;
	box-shadow: none;
}

.pep-modal-open .pep-shell {
	display: flex;
	align-items: stretch;
	justify-content: center;
	padding: 0;
}

html.pep-scroll-lock,
html.pep-scroll-lock body {
	overflow: hidden !important;
	touch-action: none;
}

.pep-presentation .pep-toolbar--bottom,
.pep-presentation .pep-sidebar {
	display: none !important;
}

.pep-presentation .pep-page-slot--single {
	margin: auto;
}

/* Toast */
.pep-toast {
	position: absolute;
	left: 50%;
	bottom: 4.5rem;
	transform: translateX(-50%) translateY(12px);
	background: rgba(0, 0, 0, 0.85);
	color: #fff;
	padding: 0.55rem 0.9rem;
	border-radius: 999px;
	font-size: 0.85rem;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.2s, transform 0.2s;
	z-index: 30;
	white-space: nowrap;
}

.pep-toast--show {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

.pep-sr {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	border: 0;
}

.pep-muted { color: var(--pep-muted); font-size: 0.85rem; }

/* Hide native print affordances */
@media print {
	.pep-root { display: none !important; }
}