/**
 * News Ticker - frontend styles.
 *
 * All colours are exposed as custom properties on the block, so a theme can
 * restyle the bar without overriding a single selector:
 *
 *   .neuedaten-news-ticker { --neuedaten-news-ticker-bg: #123456; }
 */

.neuedaten-news-ticker {
	--neuedaten-news-ticker-bg: #ffdd00;
	--neuedaten-news-ticker-fg: #000;
	--neuedaten-news-ticker-button-bg: #000;
	--neuedaten-news-ticker-button-fg: #ffdd00;
	--neuedaten-news-ticker-button-bg-hover: #262626;
	--neuedaten-news-ticker-padding-block: 0.55rem;
	--neuedaten-news-ticker-padding-inline: clamp(0.75rem, 3vw, 2rem);
	--neuedaten-news-ticker-gap: clamp(0.75rem, 2vw, 1.5rem);
	--neuedaten-news-ticker-fade: 1.5rem;
	--neuedaten-news-ticker-duration: 20s;

	position: relative;
	z-index: 1;
	box-sizing: border-box;
	width: 100%;
	background: var(--neuedaten-news-ticker-bg);
	color: var(--neuedaten-news-ticker-fg);
	font-family: inherit;
	font-size: 0.9375rem;
	line-height: 1.4;
}

.neuedaten-news-ticker *,
.neuedaten-news-ticker *::before,
.neuedaten-news-ticker *::after {
	box-sizing: border-box;
}

.neuedaten-news-ticker[hidden] {
	display: none !important;
}

/* ---------------------------------------------------------------- layout */

.neuedaten-news-ticker__inner {
	display: flex;
	align-items: center;
	gap: var(--neuedaten-news-ticker-gap);
	padding: var(--neuedaten-news-ticker-padding-block) var(--neuedaten-news-ticker-padding-inline);
}

.neuedaten-news-ticker__list {
	display: grid;
	flex: 1 1 auto;
	min-width: 0;
	margin: 0;
	padding: 0;
	list-style: none;
}

/* All items share one grid cell so the bar keeps the height of the tallest. */
.neuedaten-news-ticker__item {
	display: flex;
	grid-area: 1 / 1;
	align-items: center;
	gap: var(--neuedaten-news-ticker-gap);
	min-width: 0;
	margin: 0;
	padding: 0;
	list-style: none;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.35s ease;
}

.neuedaten-news-ticker__item--active {
	opacity: 1;
	visibility: visible;
}

/* ---------------------------------------------------------------- text */

.neuedaten-news-ticker__viewport {
	flex: 1 1 auto;
	min-width: 0;
	overflow: hidden;
}

.neuedaten-news-ticker__viewport--overflowing {
	-webkit-mask-image: linear-gradient(
		90deg,
		#000 0,
		#000 calc(100% - var(--neuedaten-news-ticker-fade)),
		transparent 100%
	);
	mask-image: linear-gradient(
		90deg,
		#000 0,
		#000 calc(100% - var(--neuedaten-news-ticker-fade)),
		transparent 100%
	);
}

.neuedaten-news-ticker__viewport--scrolling {
	-webkit-mask-image: linear-gradient(
		90deg,
		transparent 0,
		#000 var(--neuedaten-news-ticker-fade),
		#000 calc(100% - var(--neuedaten-news-ticker-fade)),
		transparent 100%
	);
	mask-image: linear-gradient(
		90deg,
		transparent 0,
		#000 var(--neuedaten-news-ticker-fade),
		#000 calc(100% - var(--neuedaten-news-ticker-fade)),
		transparent 100%
	);
}

.neuedaten-news-ticker__track {
	display: flex;
	width: -webkit-max-content;
	width: max-content;
}

.neuedaten-news-ticker__track--scrolling {
	animation: neuedaten-news-ticker-marquee var(--neuedaten-news-ticker-duration) linear infinite;
	will-change: transform;
}

.neuedaten-news-ticker:hover .neuedaten-news-ticker__track--scrolling,
.neuedaten-news-ticker:focus-within .neuedaten-news-ticker__track--scrolling {
	animation-play-state: paused;
}

.neuedaten-news-ticker__segment {
	display: inline-flex;
	flex: 0 0 auto;
	align-items: baseline;
	gap: 0.5em;
	white-space: nowrap;
}

/* Spacing between the original segment and its clone during the loop. */
.neuedaten-news-ticker__track--scrolling .neuedaten-news-ticker__segment {
	padding-right: 3rem;
}

.neuedaten-news-ticker__headline {
	font-weight: 700;
}

.neuedaten-news-ticker__teaser {
	font-weight: 400;
}

/* ---------------------------------------------------------------- button */

.neuedaten-news-ticker__button {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	padding: 0.45em 1.15em;
	border-radius: 999px;
	background: var(--neuedaten-news-ticker-button-bg);
	color: var(--neuedaten-news-ticker-button-fg);
	font-size: 0.875rem;
	font-weight: 600;
	line-height: 1.4;
	text-decoration: none;
	white-space: nowrap;
	transition: background-color 0.2s ease;
}

.neuedaten-news-ticker__button:hover,
.neuedaten-news-ticker__button:focus {
	background: var(--neuedaten-news-ticker-button-bg-hover);
	color: var(--neuedaten-news-ticker-button-fg);
	text-decoration: none;
}

.neuedaten-news-ticker__button:focus-visible,
.neuedaten-news-ticker__close:focus-visible {
	outline: 2px solid var(--neuedaten-news-ticker-fg);
	outline-offset: 2px;
}

.neuedaten-news-ticker__close {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.75rem;
	height: 1.75rem;
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: inherit;
	font-size: 1.25rem;
	line-height: 1;
	cursor: pointer;
	opacity: 0.65;
	transition: opacity 0.2s ease, background-color 0.2s ease;
}

.neuedaten-news-ticker__close:hover {
	background: rgba(0, 0, 0, 0.1);
	opacity: 1;
}

/* The dismiss button is useless without JavaScript. */
.neuedaten-news-ticker--no-js .neuedaten-news-ticker__close {
	display: none;
}

/* ---------------------------------------------------------------- fixed */

.neuedaten-news-ticker--fixed {
	position: fixed;
	top: 0;
	right: 0;
	left: 0;
	z-index: 99990;
}

html.neuedaten-news-ticker-has-fixed body {
	padding-top: var(--neuedaten-news-ticker-height, 0px);
}

.admin-bar .neuedaten-news-ticker--fixed {
	top: 32px;
}

@media screen and (max-width: 782px) {
	.admin-bar .neuedaten-news-ticker--fixed {
		top: 46px;
	}
}

/* ---------------------------------------------------------------- small screens */

@media screen and (max-width: 600px) {
	.neuedaten-news-ticker {
		--neuedaten-news-ticker-gap: 0.75rem;
		font-size: 0.8125rem;
	}

	.neuedaten-news-ticker__button {
		padding: 0.4em 0.9em;
		font-size: 0.8125rem;
	}
}

/* ---------------------------------------------------------------- motion */

@keyframes neuedaten-news-ticker-marquee {
	from {
		transform: translateX(0);
	}

	to {
		transform: translateX(-50%);
	}
}

@media (prefers-reduced-motion: reduce) {
	.neuedaten-news-ticker__track--scrolling {
		animation: none;
	}

	.neuedaten-news-ticker__item {
		transition: none;
	}
}