/**
 * Visor PDF Esigsa — estilos del frontend.
 * Paleta de marca: rojo #E30613 / #B30510, azul marino #1B2B41 / #000027,
 * grises #536479 #8DA3B8 #E1E8EE #F1F4F9, acento rosa #FDE8E9.
 * Tipografía: Manrope.
 */

:root {
	--vpb-rojo: #E30613;
	--vpb-rojo-oscuro: #B30510;
	--vpb-marino: #1B2B41;
	--vpb-marino-oscuro: #000027;
	--vpb-gris: #536479;
	--vpb-gris-claro: #E1E8EE;
	--vpb-fondo: #F1F4F9;
	--vpb-rosa: #FDE8E9;
	--vpb-blanco: #ffffff;
}

/* Elementos disparadores: se sienten clicables. */
.vpb-trigger {
	cursor: pointer;
	transition: opacity .2s ease, transform .2s ease;
}
.vpb-trigger:hover {
	opacity: .82;
}

/* ---------------------------------------------------------------- Overlay */
.vpb-overlay {
	position: fixed;
	inset: 0;
	z-index: 999999;
	display: none;
	align-items: center;
	justify-content: center;
	padding: 24px;
	background: rgba(0, 0, 39, .78);
	-webkit-backdrop-filter: blur(3px);
	backdrop-filter: blur(3px);
	opacity: 0;
	transition: opacity .25s ease;
	box-sizing: border-box;
}
.vpb-overlay.vpb-open {
	display: flex;
	opacity: 1;
}
.vpb-overlay * {
	box-sizing: border-box;
}

/* ---------------------------------------------------------------- Modal */
.vpb-modal {
	font-family: "Manrope", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
	width: 100%;
	max-width: 920px;
	height: 100%;
	max-height: 92vh;
	display: flex;
	flex-direction: column;
	background: var(--vpb-blanco);
	border-radius: 12px;
	overflow: hidden;
	box-shadow: 0 24px 60px rgba(0, 0, 39, .45);
	transform: translateY(12px) scale(.98);
	transition: transform .25s ease;
}
.vpb-overlay.vpb-open .vpb-modal {
	transform: translateY(0) scale(1);
}

/* ---------------------------------------------------------------- Header */
.vpb-modal__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 12px 18px;
	background: var(--vpb-marino);
	color: var(--vpb-blanco);
	flex: 0 0 auto;
}
.vpb-modal__title {
	font-size: 16px;
	font-weight: 700;
	letter-spacing: .2px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ---------------------------------------------------------------- Toolbar */
.vpb-toolbar {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: 0 0 auto;
}
.vpb-btn {
	appearance: none;
	border: none;
	background: rgba(255, 255, 255, .12);
	color: var(--vpb-blanco);
	width: 34px;
	height: 34px;
	border-radius: 8px;
	font-size: 20px;
	line-height: 1;
	font-weight: 700;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: background .18s ease, transform .1s ease;
}
.vpb-btn:hover {
	background: var(--vpb-rojo);
}
.vpb-btn:active {
	transform: scale(.92);
}
.vpb-close:hover {
	background: var(--vpb-rojo);
}
.vpb-zoom-level,
.vpb-pageinfo {
	font-size: 13px;
	font-weight: 600;
	color: var(--vpb-gris-claro);
	min-width: 46px;
	text-align: center;
	white-space: nowrap;
}
.vpb-sep {
	width: 1px;
	height: 22px;
	background: rgba(255, 255, 255, .18);
	display: inline-block;
}

/* ---------------------------------------------------------------- Body */
.vpb-modal__body {
	position: relative;
	flex: 1 1 auto;
	overflow: auto;
	background: var(--vpb-fondo);
	-webkit-overflow-scrolling: touch;
}
.vpb-pages {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	padding: 24px 16px 40px;
	/* Anti-selección / anti-arrastre. */
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	-webkit-touch-callout: none;
}
.vpb-page {
	position: relative;
	background: var(--vpb-blanco);
	box-shadow: 0 4px 16px rgba(0, 0, 39, .14);
	border-radius: 3px;
	overflow: hidden;
}
.vpb-page canvas {
	display: block;
	max-width: 100%;
	height: auto;
	pointer-events: none; /* impide arrastrar la imagen del canvas */
}
/* Capa transparente sobre cada página para bloquear interacción directa. */
.vpb-page__shield {
	position: absolute;
	inset: 0;
	z-index: 2;
}

/* ---------------------------------------------------------------- Loader */
.vpb-loader {
	position: absolute;
	inset: 0;
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 14px;
	color: var(--vpb-marino);
	font-weight: 600;
	font-size: 14px;
	background: var(--vpb-fondo);
	z-index: 5;
}
.vpb-loader.vpb-show {
	display: flex;
}
.vpb-spinner {
	width: 42px;
	height: 42px;
	border: 4px solid var(--vpb-gris-claro);
	border-top-color: var(--vpb-rojo);
	border-radius: 50%;
	animation: vpb-spin .8s linear infinite;
}
@keyframes vpb-spin {
	to { transform: rotate(360deg); }
}
.vpb-loader--error .vpb-spinner {
	display: none;
}
.vpb-loader--error {
	color: var(--vpb-rojo-oscuro);
}

/* ---------------------------------------------------------------- Responsive */
@media (max-width: 600px) {
	.vpb-overlay { padding: 0; }
	.vpb-modal { max-height: 100vh; height: 100vh; border-radius: 0; }
	.vpb-modal__header { flex-wrap: wrap; gap: 8px; padding: 10px 12px; }
	.vpb-modal__title { flex: 1 1 100%; font-size: 15px; }
	.vpb-toolbar { width: 100%; justify-content: center; }
	.vpb-pageinfo { min-width: auto; }
}

/* Impresión: no imprimir el visor. */
@media print {
	.vpb-overlay { display: none !important; }
}