/* ──────────────────────────────────────────────────────────────────
   Read Featured Series — home page inline Omoi reader.

   A dark band hosting a chip selector (ARIA tablist) above a single
   <azuki-reader> web component. Chips swap the reader client-side
   (js/featured-reader.js); markup in front-page.php. The reader runtime
   is provided globally by the "API Client for Omoi" plugin.
   ────────────────────────────────────────────────────────────────── */

.read-featured-series {
	background: var(--color-black);
	color: var(--color-white);
	padding: 4rem 0;
}

.read-featured-series__inner {
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.read-featured-series__title {
	margin: 0;

	/* Family + tracking via .kodansha-black. Base typography pins headings
	   to black, so re-assert white on this dark band. */
	color: var(--color-white);
	font-size: 4.8rem;
	line-height: 1;
}

/* ── Chip selector (tablist) ──────────────────────────────────────── */

.read-featured-series__chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-04);
}

.featured-series__chip {
	flex: 1 1 auto; /* full-justified: grow to fill the row, wrapping as needed */
	padding: 0.75rem 1.25rem;
	text-align: center;
	background: transparent;
	border: var(--border-width-md) solid var(--color-white);
	color: var(--color-white);
	cursor: pointer;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.featured-series__chip:hover,
.featured-series__chip:focus-visible {
	background: var(--color-white);
	color: var(--color-black);
}

.featured-series__chip.is-active {
	background: var(--color-white);
	color: var(--color-black);
}

/* ── Reader frame ─────────────────────────────────────────────────── */

.read-featured-series__reader {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 10;
	background: var(--color-black);
	overflow: hidden;
}

.read-featured-series__reader azuki-reader {
	display: block;
	width: 100%;
	height: 100%;
	border: 0;
}

.read-featured-series__loading {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-white);
}

/* ── End-of-preview card ──────────────────────────────────────────── */

/*
 * Overlaid by js/featured-reader.js once the free first-chapter preview
 * overflows its last page (the Omoi reader's forward overflow / go-to-series
 * events). The whole card is a link out to the series page on the Kodansha
 * reader portal; it's removed when the visitor pages back into content or
 * switches series. The graphic is portrait, so it pillarboxes on the black
 * frame via object-fit: contain.
 */
.read-featured-series__end {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--color-black);
	animation: kh-featured-end-fade 0.25s ease both;
}

.read-featured-series__end:focus-visible {
	outline: var(--border-width-md) solid var(--color-white);
	outline-offset: calc(-1 * var(--border-width-md));
}

.read-featured-series__end img {
	display: block;
	width: auto;
	height: 100%;
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
}

@keyframes kh-featured-end-fade {

	from {
		opacity: 0;
	}

	to {
		opacity: 1;
	}
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 768px) {

	.read-featured-series {
		padding: 3rem 0;
	}

	.read-featured-series__title {
		font-size: 2.4rem;
	}

	.read-featured-series__reader {
		aspect-ratio: 3 / 4;
	}
}