/* Sala Virtual: página de muestra y visor inmersivo */

.mcsv-muestra {
	--mcsv-fondo: #f7f2e8;
	--mcsv-panel: #fffdf8;
	--mcsv-tinta: #1f1f1c;
	--mcsv-tenue: rgba(31, 31, 28, .62);
	--mcsv-linea: rgba(31, 31, 28, .12);
	--mcsv-acento: #3e7d2c;
	--mcsv-sombra: 0 18px 40px -18px rgba(40, 30, 10, .35);
}
.mcsv-sala {
	--mcsv-fondo: #0f0f0e;
	--mcsv-panel: #191917;
	--mcsv-tinta: #f2efe8;
	--mcsv-tenue: rgba(242, 239, 232, .62);
	--mcsv-linea: rgba(242, 239, 232, .14);
	--mcsv-acento: #a5cf86;
	--mcsv-sombra: 0 18px 40px -18px rgba(0, 0, 0, .8);
}

.mcsv-muestra button,
.mcsv-sala button {
	appearance: none;
	-webkit-appearance: none;
	border: 0;
	background: none;
	padding: 0;
	margin: 0;
	font: inherit;
	color: inherit;
	cursor: pointer;
}

/* ---------- Página de la muestra ---------- */

.mcsv-muestra {
	background: var(--mcsv-fondo);
	color: var(--mcsv-tinta);
	padding: clamp(32px, 6vw, 88px) clamp(20px, 4vw, 48px) clamp(48px, 8vw, 120px);
}

.mcsv-entrada {
	display: grid;
	grid-template-columns: 1.05fr 1fr;
	gap: clamp(28px, 5vw, 72px);
	align-items: center;
	max-width: 1180px;
	margin: 0 auto clamp(48px, 7vw, 96px);
}
.mcsv-volver {
	display: inline-block;
	margin-bottom: 1.6em;
	font-size: .9rem;
	color: var(--mcsv-tenue) !important;
	text-decoration: none !important;
}
.mcsv-volver:hover { color: var(--mcsv-acento) !important; }
.mcsv-entrada__subtitulo {
	margin: 0 0 .6em !important;
	padding: 0 !important;
	font-size: .8rem;
	font-weight: 600;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--mcsv-acento);
}
.mcsv-entrada__titulo {
	margin: 0 0 .5em !important;
	padding: 0 !important;
	font-size: clamp(2rem, 4.2vw, 3.2rem) !important;
	line-height: 1.08 !important;
	color: var(--mcsv-tinta) !important;
}
.mcsv-entrada__desc { line-height: 1.75; color: var(--mcsv-tinta); }
.mcsv-entrada__desc p { margin: 0 0 1em; padding: 0 !important; }
.mcsv-entrada__org {
	margin: 0 0 1.4em !important;
	padding: 1em 0 0 !important;
	border-top: 1px solid var(--mcsv-linea);
	font-size: .875rem;
	line-height: 1.6;
	color: var(--mcsv-tenue);
}
.mcsv-muestra .mcsv-entrar {
	display: inline-flex;
	align-items: center;
	gap: .8em;
	margin-top: .6em;
	padding: 1em 1.6em;
	border-radius: 999px;
	background: var(--mcsv-acento);
	color: #fff;
	font-weight: 600;
	line-height: 1;
	transition: transform .2s ease, filter .2s ease;
}
.mcsv-muestra .mcsv-entrar:hover { transform: translateY(-2px); filter: brightness(.92); }
.mcsv-entrar__n {
	padding-left: .8em;
	border-left: 1px solid currentColor;
	font-weight: 400;
	opacity: .85;
}
.mcsv-entrada__portada { display: flex; justify-content: center; }
.mcsv-entrada__portada img {
	display: block;
	width: auto !important;
	max-width: 100%;
	height: auto !important;
	max-height: 560px;
	border-radius: 6px;
	box-shadow: var(--mcsv-sombra);
	transition: transform .35s ease;
}
.mcsv-entrada__portada:hover img { transform: translateY(-4px); }

/* Mosaico: respeta la proporción de cada foto. */
.mcsv-mosaico {
	max-width: 1180px;
	margin: 0 auto;
	columns: 4 220px;
	column-gap: 14px;
}
.mcsv-muestra .mcsv-mosaico__item {
	display: block;
	width: 100%;
	margin: 0 0 14px;
	break-inside: avoid;
	border-radius: 4px;
	overflow: hidden;
	background: var(--mcsv-linea);
}
.mcsv-mosaico__item img {
	display: block;
	width: 100% !important;
	height: auto !important;
	transition: transform .5s ease, opacity .3s ease;
}
.mcsv-mosaico__item:hover img { transform: scale(1.03); }
.mcsv-muestra button:focus-visible,
.mcsv-sala button:focus-visible {
	outline: 3px solid var(--mcsv-acento);
	outline-offset: 3px;
}

/* ---------- Sala ---------- */

html.mcsv-sala-abierta { overflow: hidden; }

.mcsv-sala {
	position: fixed;
	inset: 0;
	z-index: 1000000;
	display: grid;
	grid-template-rows: auto minmax(0, 1fr) auto;
	background: var(--mcsv-fondo);
	color: var(--mcsv-tinta);
	opacity: 0;
	transition: opacity .25s ease;
}
.mcsv-sala[hidden] { display: none; }
.mcsv-sala.is-visible { opacity: 1; }
.mcsv-sala:focus { outline: none; }

.mcsv-sala__barra {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 12px clamp(14px, 2.5vw, 28px);
	border-bottom: 1px solid var(--mcsv-linea);
}
.mcsv-sala__nombre {
	flex: 1;
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.mcsv-sala__sub,
.mcsv-sala__tit {
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
}
.mcsv-sala__sub {
	font-size: .7rem;
	font-weight: 600;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--mcsv-acento);
}
.mcsv-sala__sub:empty { display: none; }
.mcsv-sala__tit { font-weight: 600; }

/* Cargador */
.mcsv-sala__cargador {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	pointer-events: none;
	opacity: 0;
	transition: opacity .2s ease;
	z-index: 1;
}
.mcsv-sala__cargador.is-visible { opacity: 1; }
.mcsv-sala__spinner {
	width: 44px;
	height: 44px;
	border-radius: 50%;
	border: 3px solid var(--mcsv-linea);
	border-top-color: var(--mcsv-acento);
	animation: mcsv-giro .8s linear infinite;
}
@keyframes mcsv-giro { to { transform: rotate(360deg); } }
.mcsv-sr {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}
.mcsv-sala__contador {
	font-variant-numeric: tabular-nums;
	letter-spacing: .06em;
	color: var(--mcsv-tenue);
}
.mcsv-sala .mcsv-sala__cerrar {
	display: grid;
	place-items: center;
	width: 42px;
	height: 42px;
	border-radius: 50%;
	transition: background .2s ease;
}
.mcsv-sala .mcsv-sala__cerrar:hover { background: var(--mcsv-linea); }

.mcsv-sala__cuerpo {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
	min-height: 0;
}
.mcsv-sala--sin-cedula .mcsv-sala__cuerpo { grid-template-columns: minmax(0, 1fr); }
.mcsv-sala--sin-cedula .mcsv-sala__cedula { display: none; }

.mcsv-sala__escena {
	position: relative;
	min-height: 0;
	overflow: hidden;
}
.mcsv-sala__img {
	position: absolute;
	inset: 0;
	margin: auto;
	width: auto !important;
	height: auto !important;
	max-width: calc(100% - 2 * clamp(56px, 7vw, 96px));
	max-height: calc(100% - 32px);
	box-shadow: var(--mcsv-sombra);
	transition: opacity .25s ease;
	user-select: none;
	-webkit-user-drag: none;
}
.mcsv-sala__img.is-cambiando { opacity: 0; }

.mcsv-sala .mcsv-sala__flecha {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	display: grid;
	place-items: center;
	width: 52px;
	height: 52px;
	border-radius: 50%;
	background: var(--mcsv-panel);
	box-shadow: 0 4px 16px -6px rgba(0, 0, 0, .35);
	transition: transform .2s ease, background .2s ease;
}
.mcsv-sala .mcsv-sala__flecha:hover { transform: translateY(-50%) scale(1.06); }
.mcsv-sala__flecha--prev { left: clamp(8px, 1.5vw, 22px); }
.mcsv-sala__flecha--next { right: clamp(8px, 1.5vw, 22px); }

/* Cédula, como en un museo. */
.mcsv-sala__cedula {
	overflow-y: auto;
	padding: clamp(20px, 3vw, 36px) clamp(18px, 2.4vw, 30px);
	border-left: 1px solid var(--mcsv-linea);
	background: var(--mcsv-panel);
	line-height: 1.6;
}
.mcsv-cedula__titulo {
	margin: 0 0 .7em !important;
	padding: 0 !important;
	font-size: 1.35rem !important;
	line-height: 1.25 !important;
	color: var(--mcsv-tinta) !important;
}
.mcsv-cedula__autor { margin: 0 !important; padding: 0 !important; font-weight: 600; }
.mcsv-cedula__detalle { margin: 0 0 1.2em !important; padding: 0 !important; font-size: .9rem; color: var(--mcsv-tenue); }
.mcsv-cedula__reflexion {
	padding-top: 1.1em;
	border-top: 1px solid var(--mcsv-linea);
	font-size: .95rem;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 9;
	overflow: hidden;
}
.mcsv-cedula__reflexion.is-abierta { display: block; }
.mcsv-cedula__reflexion p { margin: 0 0 .8em; padding: 0 !important; }
.mcsv-sala .mcsv-cedula__mas {
	margin-top: .6em;
	color: var(--mcsv-acento);
	font-weight: 600;
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* Tira de miniaturas. */
.mcsv-sala__tira {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding: 12px clamp(14px, 2.5vw, 28px);
	border-top: 1px solid var(--mcsv-linea);
	scrollbar-width: thin;
	justify-content: safe center;
}
.mcsv-sala .mcsv-sala__thumb {
	flex: 0 0 auto;
	width: 64px;
	height: 64px;
	border-radius: 4px;
	overflow: hidden;
	opacity: .5;
	outline: 2px solid transparent;
	outline-offset: 2px;
	transition: opacity .2s ease, outline-color .2s ease;
}
.mcsv-sala .mcsv-sala__thumb { background: var(--mcsv-linea); }
.mcsv-sala__thumb img { width: 100% !important; height: 100% !important; object-fit: cover; display: block; opacity: 0; transition: opacity .3s ease; }
.mcsv-sala__thumb.is-lista img { opacity: 1; }
.mcsv-sala .mcsv-sala__flecha[hidden] { display: none; }
.mcsv-sala .mcsv-sala__thumb:hover { opacity: .85; }
.mcsv-sala .mcsv-sala__thumb.is-actual { opacity: 1; outline-color: var(--mcsv-acento); }

/* ---------- Móvil ---------- */
@media (max-width: 860px) {
	.mcsv-entrada { grid-template-columns: 1fr; }
	.mcsv-entrada__portada { order: -1; }
	.mcsv-entrada__portada img { max-height: 380px; }
	.mcsv-mosaico { columns: 2 140px; column-gap: 10px; }
	.mcsv-muestra .mcsv-mosaico__item { margin-bottom: 10px; }

	.mcsv-sala__cuerpo { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
	.mcsv-sala__cedula { max-height: 32vh; border-left: 0; border-top: 1px solid var(--mcsv-linea); }
	.mcsv-sala__img { max-width: calc(100% - 16px); max-height: calc(100% - 16px); }
	.mcsv-sala .mcsv-sala__flecha { width: 40px; height: 40px; opacity: .85; }
	.mcsv-sala .mcsv-sala__thumb { width: 52px; height: 52px; }
	.mcsv-sala__nombre { font-size: .9rem; }
	.mcsv-sala__barra { gap: 10px; }
	.mcsv-sala__sub { font-size: .62rem; letter-spacing: .04em; }
	.mcsv-sala__contador { font-size: .85rem; letter-spacing: 0; }
}

@media (prefers-reduced-motion: reduce) {
	.mcsv-sala__spinner { animation-duration: 2s; }
	.mcsv-sala, .mcsv-sala__img, .mcsv-mosaico__item img, .mcsv-entrada__portada img { transition: none; }
}