/**
 * Carousel Board – front-end styles.
 * Every selector is namespaced with .carousel-board so theme styles do not collide.
 * Customize with CSS variables, e.g. .carousel-board { --cb-radius: 16px; }
 */

.carousel-board {
	--cb-pv: var(--cb-pv-m, 2.2);
	--cb-gap: var(--cb-gap-m, 12px);
	--cb-cols: var(--cb-cols-m, 2);
	--cb-side: var(--cb-side-m, 16px);
	--cb-max-width: 1350px;
	--cb-radius: 10px;
	--cb-hover-scale: 1.05;
	--cb-title-size: 15px;
	--cb-image-bg: #f1f3f5;
	--cb-track: rgba(0, 0, 0, 0.08);
	--cb-thumb: rgba(0, 0, 0, 0.45);
	--cb-button-bg: #111;
	--cb-button-color: #fff;

	position: relative;
	width: 100%;
	margin: 0 0 32px;
}

@media (min-width: 768px) {
	.carousel-board {
		--cb-pv: var(--cb-pv-t, 3);
		--cb-gap: var(--cb-gap-t, 18px);
		--cb-cols: var(--cb-cols-t, 3);
		--cb-side: var(--cb-side-t, 24px);
	}
}

@media (min-width: 1024px) {
	.carousel-board {
		--cb-pv: var(--cb-pv-d, 4);
		--cb-gap: var(--cb-gap-d, 25px);
		--cb-cols: var(--cb-cols-d, 4);
		--cb-side: var(--cb-side-d, 32px);
	}
}

/* Layout ---------------------------------------------------------------- */

.carousel-board .carousel-board__container {
	box-sizing: border-box;
	max-width: var(--cb-max-width);
	margin: 0 auto;
	padding: 0 var(--cb-side);
}

.carousel-board .carousel-board__heading {
	margin: 0 0 20px;
	font-size: clamp(22px, 2.6vw, 32px);
	line-height: 1.3;
	word-break: keep-all;
}

.carousel-board .carousel-board__list,
.carousel-board .carousel-board__slide {
	margin: 0;
	padding: 0;
	list-style: none;
}

.carousel-board .carousel-board__slide {
	box-sizing: border-box;
}

/* Card ------------------------------------------------------------------ */

.carousel-board .carousel-board__link {
	display: block;
	height: 100%;
	color: inherit;
	text-decoration: none;
}

.carousel-board .carousel-board__link:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 3px;
	border-radius: var(--cb-radius);
}

.carousel-board .carousel-board__image {
	position: relative;
	aspect-ratio: 1 / 1;
	overflow: hidden;
	border-radius: var(--cb-radius);
	background: var(--cb-image-bg);
}

.carousel-board .carousel-board__image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}

.carousel-board .carousel-board__link:hover .carousel-board__image img,
.carousel-board .carousel-board__link:focus-visible .carousel-board__image img {
	transform: scale(var(--cb-hover-scale));
}

.carousel-board .carousel-board__placeholder {
	display: block;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #eef1f4, #dde3e9);
}

.carousel-board .carousel-board__content {
	padding: 12px 2px 0;
}

.carousel-board .carousel-board__title {
	display: -webkit-box;
	margin: 0;
	overflow: hidden;
	font-size: var(--cb-title-size);
	font-weight: 600;
	line-height: 1.45;
	word-break: keep-all;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
}

/* Carousel before Swiper initializes (also the no-JavaScript fallback) --- */

.carousel-board--carousel .carousel-board__viewport:not(.swiper-initialized) {
	overflow-x: auto;
	overscroll-behavior-x: contain;
	scroll-snap-type: x mandatory;
	scrollbar-width: none;
	-webkit-overflow-scrolling: touch;
}

.carousel-board--carousel .carousel-board__viewport:not(.swiper-initialized)::-webkit-scrollbar {
	display: none;
}

.carousel-board--carousel .carousel-board__viewport:not(.swiper-initialized) .carousel-board__list {
	display: flex;
	gap: var(--cb-gap);
}

.carousel-board--carousel .carousel-board__viewport:not(.swiper-initialized) .carousel-board__slide {
	flex: 0 0 calc((100% - (var(--cb-pv) - 1) * var(--cb-gap)) / var(--cb-pv));
	scroll-snap-align: start;
}

.carousel-board--carousel .carousel-board__viewport:not(.swiper-initialized) + .carousel-board__scrollbar {
	display: none;
}

/* Scrollbar (kept below the cards instead of overlapping them) ----------- */

.carousel-board .carousel-board__scrollbar.swiper-scrollbar {
	position: relative;
	top: auto;
	right: auto;
	bottom: auto;
	left: auto;
	width: 100%;
	height: 4px;
	margin-top: 18px;
	background: var(--cb-track);
	border-radius: 4px;
}

.carousel-board .carousel-board__scrollbar .swiper-scrollbar-drag {
	background: var(--cb-thumb);
}

/* Grid ------------------------------------------------------------------ */

.carousel-board--grid .carousel-board__list {
	display: grid;
	grid-template-columns: repeat(var(--cb-cols), minmax(0, 1fr));
	gap: calc(var(--cb-gap) + 8px) var(--cb-gap);
}

/* Admin-only empty notice ----------------------------------------------- */

.carousel-board__empty {
	padding: 14px 16px;
	border: 1px dashed #c3c4c7;
	border-radius: 6px;
}

/* Detail page additions ------------------------------------------------- */

.carousel-board-single {
	margin-top: 40px;
}

.carousel-board-single .carousel-board-single__cta {
	margin: 0 0 32px;
}

.carousel-board-single .carousel-board-single__button {
	display: inline-block;
	padding: 12px 22px;
	border-radius: 8px;
	background: var(--cb-button-bg, #111);
	color: var(--cb-button-color, #fff);
	font-weight: 600;
	text-decoration: none;
}

.carousel-board-single .carousel-board-single__button:hover,
.carousel-board-single .carousel-board-single__button:focus-visible {
	color: var(--cb-button-color, #fff);
	opacity: 0.88;
}

.carousel-board-single .carousel-board-single__nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	padding-top: 20px;
	border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.carousel-board-single .carousel-board-single__prev,
.carousel-board-single .carousel-board-single__next {
	display: block;
	color: inherit;
	text-decoration: none;
}

.carousel-board-single .carousel-board-single__next {
	grid-column: 2;
	text-align: right;
}

.carousel-board-single .carousel-board-single__label {
	display: block;
	font-size: 13px;
	opacity: 0.6;
}

.carousel-board-single .carousel-board-single__name {
	display: block;
	font-weight: 600;
	word-break: keep-all;
}

/* Detail page screens: "본문만 전체 폭" (canvas) and "제목 + 본문" (wide) ---- */

.carousel-board-page {
	--cb-page-width: 860px;

	box-sizing: border-box;
	width: 100%;
	background: #fff;
}

.carousel-board-page--wide {
	padding: clamp(32px, 6vw, 72px) 20px;
}

.carousel-board-page--wide .carousel-board-page__article {
	max-width: var(--cb-page-width);
	margin: 0 auto;
}

.carousel-board-page .carousel-board-page__title {
	margin: 0 0 16px;
	font-size: clamp(28px, 4vw, 42px);
	line-height: 1.3;
	word-break: keep-all;
}

.carousel-board-page .carousel-board-page__excerpt {
	margin: 0 0 32px;
	font-size: 17px;
	opacity: 0.75;
	word-break: keep-all;
}

.carousel-board-page--canvas .carousel-board-single {
	max-width: var(--cb-page-width);
	margin: 40px auto;
	padding: 0 20px;
}

/* Themes such as GeneratePress wrap pages in a fixed-width container; let the canvas reach the screen edges. */
body.carousel-board-layout-canvas .site.grid-container,
body.carousel-board-layout-canvas .site-content {
	max-width: none;
	padding: 0;
}

body.carousel-board-layout-canvas .site-content,
body.carousel-board-layout-wide .site-content {
	display: block;
}

@media (prefers-reduced-motion: reduce) {
	.carousel-board .carousel-board__image img {
		transition: none;
	}

	.carousel-board .carousel-board__link:hover .carousel-board__image img,
	.carousel-board .carousel-board__link:focus-visible .carousel-board__image img {
		transform: none;
	}
}