/* Shared by Rheonics Single Product Image and Rheonics Products Gallery:
   one image per view on every screen size, thumbnails below from tablet up. */

/* Tokens shared by the slider and the lightbox (the lightbox <dialog> is
   appended to <body>, outside .rp-media-slider). */
.rp-media-slider,
.rp-lightbox {
	--rp-media-primary: #005487;
	--rp-media-border: #E5E7EB;
}

.rp-media-slider {
	position: relative;
	width: 100%;
}

.rp-media-slider__slide {
	margin: 0;
}

/* Transparent by default, so transparent images (PNG/WebP) show the page
   behind them; a block's "Image background" option sets the variable. */
.rp-media-slider__media {
	width: 100%;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: var(--rp-media-background, transparent);
}

.rp-media-slider__image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.rp-media-slider__zoom,
.rp-media-slider__link {
	display: block;
	width: 100%;
	height: 100%;
	padding: 0;
	border: 0;
	background: none;
}

.rp-media-slider__zoom {
	cursor: zoom-in;
}

.rp-media-slider__zoom:focus-visible,
.rp-media-slider__link:focus-visible {
	outline: 3px solid var(--rp-media-primary);
	outline-offset: -3px;
}

.rp-media-slider__caption {
	margin: 12px 0 0;
	font-weight: 600;
	font-size: 18px;
	line-height: 24px;
	text-align: center;
	color: #000;
}

/* Swiper's own layout rules, repeated here so that before Swiper initializes
   (or if it never loads) only the first image is visible instead of the
   slides stacking. */
.rp-media-slider__main,
.rp-media-slider__thumbs {
	position: relative;
	overflow: hidden;
}

.rp-media-slider__main .swiper-wrapper,
.rp-media-slider__thumbs .swiper-wrapper {
	display: flex;
}

.rp-media-slider__main .swiper-slide {
	flex-shrink: 0;
	width: 100%;
}

/* Arrows and thumbnails only make sense once Swiper is running. */
.rp-media-slider__main:not(.swiper-initialized) .rp-media-slider__nav,
.rp-media-slider__thumbs:not(.swiper-initialized) {
	display: none;
}

/* Round buttons: the slider arrows and the lightbox's buttons. Copied from the
   blog gallery (rheonics-theme/assets/css/single.css, .gallery-blog-navigation);
   duplicated on purpose, to be refactored into a shared component later.
   Two-class selectors outrank Swiper's own, so no !important is needed. */
.rp-media-slider__nav.swiper-button-next,
.rp-media-slider__nav.swiper-button-prev,
.rp-lightbox__button {
	width: 40px;
	height: 40px;
	border-radius: 58px;
	border: 0.773px solid var(--rp-media-border);
	background: rgba(255, 255, 255, 0.95);
	box-shadow: 0 7.733px 11.599px -2.32px rgba(0, 0, 0, 0.10), 0 3.093px 4.64px -3.093px rgba(0, 0, 0, 0.10);
	color: var(--rp-media-primary);
}

.rp-media-slider__nav.swiper-button-next::after,
.rp-media-slider__nav.swiper-button-prev::after {
	font-size: 18px;
	font-weight: 700;
}

/* With a caption under each image, keep the arrows centered on the image, not on image + caption. */
.rp-media-slider--captions .rp-media-slider__nav.swiper-button-next,
.rp-media-slider--captions .rp-media-slider__nav.swiper-button-prev {
	top: calc(50% - 18px);
}

/* Thumbnails */
.rp-media-slider__thumbs {
	margin-top: 16px;
}

.rp-media-slider__thumb {
	aspect-ratio: 4 / 3;
	padding: 6px;
	border: 1px solid var(--rp-media-border);
	border-radius: 8px;
	background: var(--rp-media-background, transparent);
	opacity: 0.6;
	cursor: pointer;
	box-sizing: border-box;
	transition: opacity 0.2s ease, border-color 0.2s ease;
}

.rp-media-slider__thumb:hover,
.rp-media-slider__thumb.swiper-slide-thumb-active {
	opacity: 1;
}

.rp-media-slider__thumb.swiper-slide-thumb-active {
	border-color: var(--rp-media-primary);
}

.rp-media-slider__thumb-image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

/* Mobile: no thumbnails, just the arrows and swipe. */
@media (max-width: 767px) {
	.rp-media-slider__thumbs {
		display: none;
	}
}

/* Lightbox (native <dialog>, shared by every slider on the page) */
.rp-lightbox {
	width: 100vw;
	max-width: 100vw;
	height: 100vh;
	max-height: 100vh;
	margin: 0;
	padding: 0;
	border: 0;
	background: transparent;
	display: none;
	align-items: center;
	justify-content: center;
	gap: 16px;
}

.rp-lightbox[open] {
	display: flex;
}

.rp-lightbox::backdrop {
	background: rgba(0, 0, 0, 0.85);
}

html.rp-lightbox-open {
	overflow: hidden;
}

.rp-lightbox__figure {
	margin: 0;
	max-width: calc(100vw - 160px);
	text-align: center;
}

.rp-lightbox__image {
	display: block;
	max-width: 100%;
	max-height: 80vh;
	margin: 0 auto;
	object-fit: contain;
	/* Kept white on purpose: a transparent product image over the dark backdrop could disappear. */
	background: #fff;
}

.rp-lightbox__caption {
	margin-top: 12px;
	font-weight: 600;
	font-size: 18px;
	line-height: 24px;
	color: #fff;
}

/* Round look comes from the shared button rule above. */
.rp-lightbox__button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex: 0 0 auto;
	padding: 0;
	cursor: pointer;
}

.rp-lightbox__button[hidden] {
	display: none;
}

.rp-lightbox__close {
	position: absolute;
	top: 20px;
	right: 20px;
}

@media (max-width: 767px) {
	.rp-lightbox__figure {
		max-width: calc(100vw - 32px);
	}

	/* On mobile the arrows sit over the bottom corners instead of beside the image. */
	.rp-lightbox__nav {
		position: absolute;
		bottom: 24px;
	}

	.rp-lightbox__nav--prev {
		left: 16px;
	}

	.rp-lightbox__nav--next {
		right: 16px;
	}
}