/**
 * Viora Episodes widget.
 *
 * A broadcast desk: the current episode sits "on air" in a console — dial,
 * progress ring, equalizer, cover plate — with the remaining episodes waiting
 * below as a tracklist. Colour rides entirely on the scheme variables; the
 * accent (dial, beacon, on-air marks) defaults to the design gold.
 */

.viora-episodes {
	--viora-episodes-title: clamp(2.25rem, 4.86vw, 4.375rem);
	--viora-episodes-accent: var(--viora-color-accent);

	position: relative;
	padding-block: clamp(4.5rem, 9.03vw, 8.125rem);
	overflow: hidden;
}

.viora-episodes__inner {
	width: min(1082px, 100% - 2 * var(--viora-layout-container-pad));
	margin-inline: auto;
}

/* -------------------------------------------------- *
 * Masthead
 * -------------------------------------------------- */

.viora-episodes__masthead {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: clamp(1.5rem, 4vw, 3rem);
	padding-bottom: clamp(1.75rem, 3vw, 2.5rem);
	border-bottom: 1px solid var(--viora-hairline, rgba(17, 17, 17, 0.14));
}

.viora-episodes__label {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
}

/* The little red-light of a studio — but in the house gold. */
.viora-episodes__beacon {
	width: 0.5rem;
	height: 0.5rem;
	border-radius: 50%;
	background-color: var(--viora-episodes-accent);
}

.viora-episodes.is-playing .viora-episodes__beacon {
	animation: viora-episodes-beacon 1.4s ease-in-out infinite;
}

@keyframes viora-episodes-beacon {
	50% { opacity: 0.25; }
}

.viora-episodes__title {
	margin: clamp(0.75rem, 1.4vw, 1.1rem) 0 0;
	color: var(--viora-ink, var(--viora-color-heading));
	font-family: var(--viora-font-display);
	font-size: var(--viora-episodes-title);
	font-weight: 400;
	line-height: 0.98;
	letter-spacing: -0.04em;
}

.viora-episodes__title em {
	font-style: italic;
	color: var(--viora-episodes-accent);
}

.viora-episodes__note {
	max-width: 24ch;
	margin: 0;
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-family: var(--viora-font-ui);
	font-size: 0.875rem;
	line-height: 1.7;
	text-align: right;
}

/* -------------------------------------------------- *
 * Console
 * -------------------------------------------------- */

.viora-episodes__console {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) 32%;
	align-items: center;
	column-gap: clamp(2rem, 4.5vw, 4rem);
	padding-block: clamp(2.25rem, 4.2vw, 3.75rem);
	border-bottom: 1px solid var(--viora-hairline, rgba(17, 17, 17, 0.14));
}

.viora-episodes__deck {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1.1rem;
}

.viora-episodes__dial {
	position: relative;
	display: grid;
	place-items: center;
	width: clamp(5.5rem, 9vw, 7.5rem);
	aspect-ratio: 1;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: var(--viora-ink, var(--viora-color-heading));
	cursor: pointer;
	transition: color 0.3s var(--viora-motion-easing);
}

.viora-episodes__dial:hover,
.viora-episodes.is-playing .viora-episodes__dial {
	color: var(--viora-episodes-accent);
}

.viora-episodes__ring {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	transform: rotate(-90deg);
}

.viora-episodes__ring circle {
	fill: none;
	stroke-width: 1.5;
}

.viora-episodes__ring-track {
	stroke: var(--viora-hairline, rgba(17, 17, 17, 0.14));
}

.viora-episodes__ring-fill {
	stroke: var(--viora-episodes-accent);
	stroke-dasharray: 1;
	/* 1 = nothing played; the script walks it toward 0. */
	stroke-dashoffset: calc(1 - var(--viora-episodes-progress, 0));
	stroke-linecap: round;
}

.viora-episodes__glyph {
	width: clamp(0.9rem, 1.4vw, 1.15rem);
	fill: currentColor;
}

.viora-episodes__glyph--play {
	/* The triangle reads centred a hair to the right of true centre. */
	transform: translateX(8%);
}

.viora-episodes__glyph--pause {
	display: none;
}

.viora-episodes.is-playing .viora-episodes__glyph--play {
	display: none;
}

.viora-episodes.is-playing .viora-episodes__glyph--pause {
	display: block;
}

/* No audio on the current episode: the dial dims and stops inviting. */
.viora-episodes.is-silent .viora-episodes__dial {
	opacity: 0.35;
	cursor: default;
	pointer-events: none;
}

/* Equalizer under the dial — five bars, alive only while playing. */
.viora-episodes__eq {
	display: flex;
	align-items: flex-end;
	gap: 0.25rem;
	height: 1rem;
}

/* At rest the bars hold a fixed, uneven level so the meter reads as a meter
   rather than as a row of specks. */
.viora-episodes__eq i {
	width: 2px;
	background-color: var(--viora-episodes-accent);
	opacity: 0.4;
	transition: opacity 0.3s var(--viora-motion-easing);
}

.viora-episodes__eq i:nth-child(1) { height: 35%; }
.viora-episodes__eq i:nth-child(2) { height: 70%; }
.viora-episodes__eq i:nth-child(3) { height: 45%; }
.viora-episodes__eq i:nth-child(4) { height: 90%; }
.viora-episodes__eq i:nth-child(5) { height: 55%; }

.viora-episodes.is-playing .viora-episodes__eq i {
	opacity: 1;
	animation: viora-episodes-eq 0.9s ease-in-out infinite alternate;
}

.viora-episodes.is-playing .viora-episodes__eq i:nth-child(2) { animation-delay: -0.35s; }
.viora-episodes.is-playing .viora-episodes__eq i:nth-child(3) { animation-delay: -0.6s; }
.viora-episodes.is-playing .viora-episodes__eq i:nth-child(4) { animation-delay: -0.2s; }
.viora-episodes.is-playing .viora-episodes__eq i:nth-child(5) { animation-delay: -0.5s; }

@keyframes viora-episodes-eq {
	from { height: 20%; }
	to   { height: 100%; }
}

/* -------------------------------------------------- *
 * Now playing
 * -------------------------------------------------- */

.viora-episodes__now-meta {
	display: flex;
	align-items: baseline;
	gap: 1.25rem;
	margin: 0;
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-family: var(--viora-font-ui);
	font-size: 0.6875rem;
	font-weight: var(--viora-weight-medium);
	letter-spacing: 0.24em;
	text-transform: uppercase;
	font-variant-numeric: tabular-nums;
}

.viora-episodes__now-num {
	color: var(--viora-episodes-accent);
	font-size: 0.8125rem;
}

.viora-episodes__now-total {
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-size: 0.6875rem;
}

.viora-episodes__now-title {
	margin: clamp(0.7rem, 1.2vw, 1rem) 0 0;
	color: var(--viora-ink, var(--viora-color-heading));
	font-family: var(--viora-font-display);
	font-size: clamp(1.5rem, 2.36vw, 2.125rem);
	font-weight: 400;
	line-height: 1.1;
	letter-spacing: -0.02em;
}

.viora-episodes__now-text {
	max-width: 52ch;
	margin: clamp(0.7rem, 1.2vw, 1rem) 0 0;
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-family: var(--viora-font-ui);
	font-size: 0.9375rem;
	line-height: 1.7;
}

.viora-episodes__now-text:empty {
	display: none;
}

.viora-episodes__timeline {
	position: relative;
	height: 1px;
	margin-top: clamp(1.25rem, 2.2vw, 1.75rem);
	background-color: var(--viora-hairline, rgba(17, 17, 17, 0.14));
}

.viora-episodes__timeline-fill {
	position: absolute;
	inset: 0;
	transform-origin: left center;
	transform: scaleX(var(--viora-episodes-progress, 0));
	background-color: var(--viora-episodes-accent);
}

.viora-episodes__time {
	display: flex;
	justify-content: space-between;
	margin: 0.6rem 0 0;
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-family: var(--viora-font-ui);
	font-size: 0.6875rem;
	letter-spacing: 0.12em;
	font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------- *
 * Cover
 * -------------------------------------------------- */

.viora-episodes__cover {
	position: relative;
	width: 100%;
	aspect-ratio: 1;
	margin: 0;
	overflow: hidden;
	background-color: var(--viora-color-surface-alt);
}

.viora-episodes__cover-plate {
	position: absolute;
	inset: 0;
	opacity: 0;
	transition: opacity 0.6s var(--viora-motion-easing);
}

.viora-episodes__cover-plate.is-current {
	opacity: 1;
}

.viora-episodes__cover-plate img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

/* -------------------------------------------------- *
 * Tracklist
 * -------------------------------------------------- */

.viora-episodes__list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.viora-episodes__row {
	border-bottom: 1px solid var(--viora-hairline, rgba(17, 17, 17, 0.14));
}

.viora-episodes__row-btn {
	display: grid;
	grid-template-columns: 3.25rem minmax(0, 1fr) auto auto 2.25rem;
	align-items: baseline;
	column-gap: clamp(1rem, 2.5vw, 2rem);
	width: 100%;
	padding: clamp(1.1rem, 2vw, 1.6rem) 0;
	border: 0;
	background: transparent;
	text-align: left;
	cursor: pointer;
	color: inherit;
}

.viora-episodes__row-num {
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-family: var(--viora-font-ui);
	font-size: 0.75rem;
	letter-spacing: 0.18em;
	font-variant-numeric: tabular-nums;
	transition: color 0.3s var(--viora-motion-easing);
}

.viora-episodes__row-title {
	color: var(--viora-ink, var(--viora-color-heading));
	font-family: var(--viora-font-display);
	font-size: clamp(1.125rem, 1.67vw, 1.5rem);
	font-weight: 400;
	line-height: 1.2;
	letter-spacing: -0.02em;
	transition: transform 0.35s var(--viora-motion-easing);
}

.viora-episodes__row-btn:hover .viora-episodes__row-title {
	transform: translateX(0.5rem);
}

.viora-episodes__row-topic,
.viora-episodes__row-length {
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
	font-family: var(--viora-font-ui);
	font-size: 0.6875rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	white-space: nowrap;
}

/* The row's own tiny equalizer — the on-air mark. */
.viora-episodes__row-eq {
	display: flex;
	align-items: flex-end;
	justify-content: flex-end;
	gap: 3px;
	height: 0.75rem;
	align-self: center;
	opacity: 0;
	transition: opacity 0.3s var(--viora-motion-easing);
}

.viora-episodes__row-eq i {
	width: 2px;
	background-color: var(--viora-episodes-accent);
}

.viora-episodes__row-eq i:nth-child(1) { height: 40%; }
.viora-episodes__row-eq i:nth-child(2) { height: 100%; }
.viora-episodes__row-eq i:nth-child(3) { height: 60%; }

.viora-episodes__row.is-on-air .viora-episodes__row-eq {
	opacity: 1;
}

.viora-episodes.is-playing .viora-episodes__row.is-on-air .viora-episodes__row-eq i {
	animation: viora-episodes-eq 0.8s ease-in-out infinite alternate;
}

.viora-episodes.is-playing .viora-episodes__row.is-on-air .viora-episodes__row-eq i:nth-child(2) { animation-delay: -0.3s; }
.viora-episodes.is-playing .viora-episodes__row.is-on-air .viora-episodes__row-eq i:nth-child(3) { animation-delay: -0.55s; }

.viora-episodes__row.is-on-air .viora-episodes__row-num {
	color: var(--viora-episodes-accent);
}

/* -------------------------------------------------- *
 * Platforms
 * -------------------------------------------------- */

.viora-episodes__platforms {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: clamp(1.5rem, 3vw, 2.5rem);
	margin-top: clamp(1.75rem, 3vw, 2.5rem);
}

.viora-episodes__platforms-label {
	color: var(--viora-ink-soft, var(--viora-color-heading-soft));
}

.viora-episodes__platform {
	font-size: 0.6875rem;
}

/* -------------------------------------------------- *
 * Reveal
 * -------------------------------------------------- */

.viora-episodes.is-animated .viora-episodes__item {
	opacity: 0;
	transform: translateY(22px);
}

.viora-episodes.is-animated.is-in .viora-episodes__item {
	opacity: 1;
	transform: none;
	transition:
		opacity 0.9s var(--viora-motion-easing),
		transform 0.9s var(--viora-motion-easing);
	transition-delay: var(--viora-episodes-delay, 0ms);
}

/* -------------------------------------------------- *
 * Responsive
 * -------------------------------------------------- */

@media (max-width: 1024px) {
	.viora-episodes__console {
		grid-template-columns: auto minmax(0, 1fr);
		row-gap: 2rem;
	}

	.viora-episodes__cover {
		grid-column: 1 / -1;
		aspect-ratio: 1.8;
	}
}

@media (max-width: 767px) {
	.viora-episodes__masthead {
		flex-direction: column;
		align-items: flex-start;
	}

	.viora-episodes__note {
		text-align: left;
		max-width: none;
	}

	.viora-episodes__console {
		grid-template-columns: minmax(0, 1fr);
	}

	/* The deck keeps its column: set beside the dial, the meter reads as stray. */
	.viora-episodes__deck {
		align-items: flex-start;
	}

	.viora-episodes__row-btn {
		grid-template-columns: 2.5rem minmax(0, 1fr) auto;
	}

	/* Topic and the on-air mark give way; number, title, length stay. */
	.viora-episodes__row-topic,
	.viora-episodes__row-eq {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.viora-episodes.is-animated .viora-episodes__item {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.viora-episodes.is-playing .viora-episodes__eq i,
	.viora-episodes.is-playing .viora-episodes__row.is-on-air .viora-episodes__row-eq i,
	.viora-episodes.is-playing .viora-episodes__beacon {
		animation: none;
	}

	.viora-episodes__cover-plate,
	.viora-episodes__row-title {
		transition: none;
	}
}