/* Design C: card rail. */

.sigsl .sigsl-rail {
	--sigsl-pad: 0px;
}

.sigsl .sigsl-rail-track {
	display: flex;
	gap: 24px;
	margin: 0;
	padding: 0 0 6px;
	overflow-x: auto;
	overscroll-behavior-x: contain;
	scroll-snap-type: x mandatory;
	scrollbar-width: none;
	cursor: grab;
	outline-offset: 3px;
}

.sigsl .sigsl-rail-track::-webkit-scrollbar {
	display: none;
}

.sigsl .sigsl-rail-track.is-drag {
	scroll-snap-type: none;
	cursor: grabbing;
	user-select: none;
}

.sigsl .sigsl-rail-card {
	display: flex;
	flex: 0 0 calc( ( 100% - 48px ) / 3.25 );
	flex-direction: column;
	align-items: flex-start;
	gap: 14px;
	min-width: 0;
	scroll-snap-align: start;
}

.sigsl .sigsl-rail-media {
	position: relative;
	display: block;
	width: 100%;
	aspect-ratio: 4 / 3;
	border-radius: calc( var( --sigsl-radius ) * 0.8 );
	overflow: hidden;
	background: var( --sigsl-soft );
}

.sigsl .sigsl-rail-media img {
	display: block;
	width: 100%;
	height: 100%;
	max-width: none;
	margin: 0;
	border-radius: 0;
	object-fit: cover;
	transition: transform 0.7s var( --sigsl-ease );
}

.sigsl .sigsl-rail-card:hover .sigsl-rail-media img {
	transform: scale( 1.05 );
}

.sigsl .sigsl-rail-media .sigsl-chip {
	position: absolute;
	top: 14px;
	left: 14px;
}

.sigsl .sigsl-rail-title {
	margin: 0;
	padding: 0;
	color: var( --sigsl-ink );
	font-size: 19px;
	line-height: 1.35;
	letter-spacing: 0;
	text-transform: none;
	text-wrap: balance;
}

.sigsl .sigsl-rail-title a {
	color: inherit;
	text-decoration: none;
	transition: color 0.2s;
}

.sigsl .sigsl-rail-title a:hover {
	color: var( --sigsl-second );
	text-decoration: none;
}

.sigsl .sigsl-rail-text {
	display: -webkit-box;
	margin: 0;
	overflow: hidden;
	color: var( --sigsl-muted );
	font-size: 15px;
	line-height: 1.55;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

.sigsl .sigsl-rail-progress {
	position: relative;
	height: 3px;
	margin-top: 30px;
	border-radius: 3px;
	background: var( --sigsl-line );
	overflow: hidden;
}

.sigsl .sigsl-rail-progress span {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: 30%;
	border-radius: 3px;
	background: var( --sigsl-accent );
}

@container ( max-width: 900px ) {
	.sigsl .sigsl-rail-card {
		flex-basis: calc( ( 100% - 24px ) / 2.2 );
	}
}

@container ( max-width: 560px ) {
	.sigsl .sigsl-rail-track {
		gap: 16px;
	}

	.sigsl .sigsl-rail-card {
		flex-basis: 82%;
	}
}

/* The photo strip: one height for the row, every photo in its own shape. A
   photo never grows wider than the strip; a very wide one gets lower instead,
   so nothing is cropped. */
.sigsl .sigsl-rail--strip {
	--strip-h: clamp( 200px, calc( 30cqi + 90px ), 440px );
}

.sigsl .sigsl-rail--strip .sigsl-rail-track {
	gap: 16px;
}

.sigsl .sigsl-rail--strip .sigsl-rail-card {
	flex: 0 0 auto;
	width: min( calc( var( --strip-h ) * var( --r, 1.3333 ) ), 100% );
	gap: 10px;
}

.sigsl .sigsl-rail--strip .sigsl-rail-media {
	aspect-ratio: var( --r, 1.3333 );
}

.sigsl .sigsl-rail--strip .sigsl-rail-title {
	font-size: 15px;
}

/* A photo without a link opens large. */
.sigsl button.sigsl-rail-zoom {
	display: block;
	width: 100%;
	padding: 0;
	border: 0;
	background: var( --sigsl-soft );
	cursor: zoom-in;
}

.sigsl button.sigsl-rail-zoom:hover {
	background: var( --sigsl-soft );
}

/* The lightbox lives on <body>, outside the slider, so it carries its own
   colours; every rule has two classes to stay clear of theme styles. */
.sigsl-lightbox.sigsl-lightbox {
	position: fixed;
	z-index: 100000;
	inset: 0;
	display: grid;
	place-items: center;
	box-sizing: border-box;
	margin: 0;
	padding: max( 56px, env( safe-area-inset-top, 0px ) ) max( 16px, env( safe-area-inset-right, 0px ) ) max( 64px, env( safe-area-inset-bottom, 0px ) ) max( 16px, env( safe-area-inset-left, 0px ) );
	background: rgb( 10 12 12 / 0.96 );
	-webkit-backdrop-filter: blur( 6px );
	backdrop-filter: blur( 6px );
	color: #fff;
	font-family: inherit;
	opacity: 1;
	transition: opacity 0.25s;
	touch-action: pan-y;
}

.sigsl-lightbox.sigsl-lightbox[hidden] {
	display: none;
}

.sigsl-lightbox.is-opening {
	opacity: 0;
}

.sigsl-lightbox .sigsl-lightbox-figure {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	max-width: 100%;
	max-height: 100%;
	margin: 0;
}

.sigsl-lightbox .sigsl-lightbox-img {
	display: block;
	width: auto;
	height: auto;
	max-width: min( 100%, 1600px );
	max-height: calc( 100vh - 160px );
	max-height: calc( 100dvh - 160px );
	margin: 0;
	border-radius: 6px;
	object-fit: contain;
	user-select: none;
	-webkit-user-drag: none;
}

.sigsl-lightbox .sigsl-lightbox-cap {
	max-width: 60ch;
	color: rgb( 255 255 255 / 0.86 );
	font-size: 15px;
	line-height: 1.4;
	text-align: center;
}

.sigsl-lightbox .sigsl-lightbox-cap:empty {
	display: none;
}

.sigsl-lightbox .sigsl-lightbox-count {
	position: absolute;
	top: max( 18px, env( safe-area-inset-top, 0px ) );
	left: max( 20px, env( safe-area-inset-left, 0px ) );
	color: rgb( 255 255 255 / 0.8 );
	font-size: 14px;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.06em;
}

.sigsl-lightbox button.sigsl-lightbox-btn {
	-webkit-appearance: none;
	appearance: none;
	position: absolute;
	display: grid;
	place-items: center;
	width: 48px;
	height: 48px;
	margin: 0;
	padding: 0;
	border: 1.5px solid rgb( 255 255 255 / 0.5 );
	border-radius: 50%;
	background: rgb( 0 0 0 / 0.35 );
	box-shadow: none;
	color: #fff;
	cursor: pointer;
	transition: background-color 0.2s, border-color 0.2s;
}

.sigsl-lightbox button.sigsl-lightbox-btn:hover,
.sigsl-lightbox button.sigsl-lightbox-btn:focus-visible {
	border-color: #fff;
	background: rgb( 255 255 255 / 0.16 );
	color: #fff;
}

.sigsl-lightbox button.sigsl-lightbox-btn:focus-visible {
	outline: 3px solid #fff;
	outline-offset: 3px;
}

.sigsl-lightbox button.sigsl-lightbox-btn svg {
	display: block;
	width: 22px;
	height: 22px;
}

.sigsl-lightbox button.sigsl-lightbox-close {
	top: max( 10px, env( safe-area-inset-top, 0px ) );
	right: max( 12px, env( safe-area-inset-right, 0px ) );
}

.sigsl-lightbox button.sigsl-lightbox-prev {
	top: 50%;
	left: max( 12px, env( safe-area-inset-left, 0px ) );
	margin-top: -24px;
}

.sigsl-lightbox button.sigsl-lightbox-next {
	top: 50%;
	right: max( 12px, env( safe-area-inset-right, 0px ) );
	margin-top: -24px;
}

@media ( max-width: 640px ) {
	.sigsl-lightbox button.sigsl-lightbox-prev,
	.sigsl-lightbox button.sigsl-lightbox-next {
		top: auto;
		bottom: max( 12px, env( safe-area-inset-bottom, 0px ) );
		margin-top: 0;
	}
}

@media ( prefers-reduced-motion: reduce ) {
	.sigsl-lightbox.sigsl-lightbox {
		transition: none;
	}
}