/* OperaViva . lightbox
   Galleria: nero pieno, passepartout bianco attorno alla foto,
   didascalia Marcellus, contatore mono. Comandi sottili senza sfondo. */

.ov-lightbox[hidden] { display: none; }
.ov-lightbox {
	position: fixed;
	inset: 0;
	z-index: 100000;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0, 0, 0, 0.7);
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.28s ease-out, visibility 0s linear 0.28s;
	--ov-lb-pp: 20px;
}

.ov-lightbox.is-open {
	opacity: 1;
	visibility: visible;
	transition: opacity 0.28s ease-out;
}

/* cornice foto: passepartout bianco, la foto sta dentro */
.ov-lb-frame {
	background: #ffffff;
	padding: var(--ov-lb-pp);
	max-width: 96vw;
	max-height: 94vh;
	display: flex;
	flex-direction: column;
	box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
	transform: scale(0.985);
	transition: transform 0.28s ease-out;
}

.ov-lightbox.is-open .ov-lb-frame {
	transform: scale(1);
}

.ov-lb-imgwrap {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 0;
	background: #ffffff;
}

.ov-lb-img {
	display: block;
	max-width: 100%;
	max-height: calc(94vh - var(--ov-lb-pp) * 2 - 44px);
	width: auto;
	height: auto;
	object-fit: contain;
	opacity: 0;
	transition: opacity 0.2s ease-out;
}

.ov-lb-img.is-loaded {
	opacity: 1;
}

/* riga sotto la foto: solo il contatore, a destra. Il titolo non si mostra:
   i nomi file non raccontano niente. */
.ov-lb-meta {
	display: flex;
	align-items: baseline;
	justify-content: flex-end;
	padding-top: 18px;
	min-height: 26px;
}

.ov-lb-caption {
	display: none;
}

.ov-lb-counter {
	font-family: var(--sans, "Instrument Sans", system-ui, sans-serif);
	font-weight: 500;
	font-variant-numeric: tabular-nums;
	font-size: 11px;
	letter-spacing: 0.12em;
	color: #9a9a9a;
	white-space: nowrap;
}

/* comandi: sottili, avorio, senza sfondo. Gli !important servono a vincere
   sugli stili dei pulsanti del tema, che qui non devono entrare. */
.ov-lightbox .ov-lb-btn {
	position: fixed;
	background: none !important;
	border: 0 !important;
	border-radius: 0 !important;
	box-shadow: none !important;
	width: auto !important;
	height: auto !important;
	min-width: 0 !important;
	min-height: 0 !important;
	color: #f2f2f2;
	cursor: pointer;
	padding: 16px !important;
	margin: 0 !important;
	line-height: 0;
	opacity: 0.65;
	transition: opacity 0.15s ease-out;
	z-index: 2;
}

.ov-lightbox .ov-lb-btn:hover,
.ov-lightbox .ov-lb-btn:focus-visible {
	background: none !important;
	color: #ffffff;
	opacity: 1;
	outline: none;
}

.ov-lightbox .ov-lb-btn svg {
	display: block;
	width: 28px;
	height: 28px;
	stroke: currentColor;
	stroke-width: 1.2;
	fill: none !important;
}

.ov-lb-close {
	top: 20px;
	right: 24px;
}

.ov-lb-prev {
	left: 24px;
	top: 50%;
	transform: translateY(-50%);
}

.ov-lb-next {
	right: 24px;
	top: 50%;
	transform: translateY(-50%);
}

.ov-lb-btn[hidden] {
	display: none;
}

/* spinner discreto durante il caricamento */
.ov-lb-imgwrap.is-loading::after {
	content: "";
	position: absolute;
	width: 26px;
	height: 26px;
	border: 1.5px solid #e6e6e6;
	border-top-color: #141414;
	border-radius: 50%;
	animation: ns-lb-spin 0.7s linear infinite;
}

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

/* mobile: passepartout ridotto, comandi piu vicini ai bordi */
@media (max-width: 767px) {
	.ov-lightbox {
		--ov-lb-pp: 12px;
	}

	.ov-lb-frame {
		max-width: 96vw;
		max-height: 92vh;
	}

	.ov-lb-img {
		max-height: calc(92vh - var(--ov-lb-pp) * 2 - 40px);
	}

	.ov-lb-prev,
	.ov-lb-next {
		top: auto;
		bottom: 16px;
		transform: none;
	}

	.ov-lb-prev {
		left: 16px;
	}

	.ov-lb-next {
		right: 16px;
	}

	.ov-lb-close {
		top: 14px;
		right: 16px;
	}
}

/* le immagini agganciate diventano cliccabili */
.ov-lb-trigger {
	cursor: zoom-in;
}

@media (prefers-reduced-motion: reduce) {
	.ov-lightbox,
	.ov-lb-frame,
	.ov-lb-img {
		transition: none;
	}

	.ov-lb-imgwrap.is-loading::after {
		animation: none;
	}
}


/* ------------------------------------------------------------- due temi
   Scura: la foto nuda su fondo quasi nero, comandi e contatore bianchi.
   Chiara: cornice bianca col passepartout su fondo chiaro, comandi inchiostro. */

.ov-lightbox.is-dark { background: rgba(8, 8, 8, 0.93); }
.ov-lightbox.is-dark .ov-lb-frame { background: transparent; padding: 0; box-shadow: none; }
.ov-lightbox.is-dark .ov-lb-meta { padding-top: 14px; }
.ov-lightbox.is-dark .ov-lb-counter { color: #f2f2f2; }

.ov-lightbox.is-light { background: rgba(255, 255, 255, 0.94); }
.ov-lightbox.is-light .ov-lb-frame { box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18), 0 4px 18px rgba(0, 0, 0, 0.1); }
.ov-lightbox.is-light .ov-lb-btn { color: #141414; opacity: 0.55; }
.ov-lightbox.is-light .ov-lb-btn:hover,
.ov-lightbox.is-light .ov-lb-btn:focus-visible { color: #000000; opacity: 1; }
.ov-lightbox.is-light .ov-lb-counter { color: #5f5f5f; }


/* Passepartout colorato: la fotografia sta dentro una cornice piena, come in
   un post quadrato. Vale su entrambi i temi, quindi sovrascrive anche la
   regola del tema scuro che toglieva la cornice. */
.ov-lightbox[data-mat="calce"] .ov-lb-frame,
.ov-lightbox[data-mat="carta"] .ov-lb-frame {
	padding: var(--ov-lb-pp);
	box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
.ov-lightbox[data-mat="calce"] .ov-lb-frame,
.ov-lightbox[data-mat="calce"] .ov-lb-imgwrap { background: #F6F6F3; }
.ov-lightbox[data-mat="carta"] .ov-lb-frame,
.ov-lightbox[data-mat="carta"] .ov-lb-imgwrap { background: #FFFFFF; }
.ov-lightbox[data-mat="calce"] .ov-lb-caption,
.ov-lightbox[data-mat="carta"] .ov-lb-caption { color: #0C0D10; }
.ov-lightbox[data-mat=""] .ov-lb-frame { padding: 0; }