/**
 * Announcement Bar (CR-017) — front-end.
 * Barra fina acima do header, com mensagens que se alternam (fade/slide).
 * Cores e altura vêm de variáveis inline (--rlst-ab-*).
 */

.rlst-ab {
	--rlst-ab-bg: #16263f;
	--rlst-ab-text: #ffffff;
	--rlst-ab-hover: #e0a106;
	--rlst-ab-h: 45px;
	position: relative;
	width: 100%;
	min-height: var(--rlst-ab-h);
	background: var(--rlst-ab-bg);
	color: var(--rlst-ab-text);
	font-size: 14px;
	line-height: 1.3;
	z-index: 1000;
	box-sizing: border-box;
}

.rlst-ab * {
	box-sizing: border-box;
}

/* Fixar no topo ao rolar (CR-027). */
.rlst-ab--sticky {
	position: sticky;
	top: 0;
	z-index: 1001;
}

.rlst-ab__viewport {
	position: relative;
	height: var(--rlst-ab-h);
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 48px;
	overflow: hidden;
}

.rlst-ab__track {
	position: relative;
	height: 100%;
}

/* Cada mensagem ocupa todo o viewport, empilhada. */
.rlst-ab__item {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	margin: 0;
	padding: 0 4px;
	text-align: center;
	text-decoration: none;
	color: inherit;
	will-change: transform, opacity;
}

a.rlst-ab__item:hover .rlst-ab__title,
a.rlst-ab__item:hover .rlst-ab__text {
	color: var(--rlst-ab-hover);
}

.rlst-ab__item:focus-visible {
	outline: 2px solid var(--rlst-ab-hover);
	outline-offset: -2px;
}

.rlst-ab__icon {
	display: inline-block;
	width: 20px;
	height: 20px;
	object-fit: contain;
	vertical-align: middle;
	flex: 0 0 auto;
}

.rlst-ab__title {
	font-weight: 700;
}

.rlst-ab__text {
	font-weight: 400;
	opacity: 0.95;
}

/* --- Transições por tipo de animação --- */

/* Estado base: escondido. */
.rlst-ab__item {
	opacity: 0;
	transition: opacity 0.5s ease, transform 0.5s ease;
	pointer-events: none;
}

.rlst-ab__item.is-active {
	opacity: 1;
	transform: none;
	pointer-events: auto;
}

/* Fade: só opacidade (posição fixa). */
.rlst-ab--fade .rlst-ab__item {
	transform: none;
}

/* Slide horizontal: entra pela direita, sai pela esquerda. */
.rlst-ab--slide-h .rlst-ab__item {
	transform: translateX(100%);
}
.rlst-ab--slide-h .rlst-ab__item.is-active {
	transform: translateX(0);
}
.rlst-ab--slide-h .rlst-ab__item.is-leaving {
	opacity: 0;
	transform: translateX(-100%);
}

/* Slide vertical: entra por baixo, sai por cima. */
.rlst-ab--slide-v .rlst-ab__item {
	transform: translateY(100%);
}
.rlst-ab--slide-v .rlst-ab__item.is-active {
	transform: translateY(0);
}
.rlst-ab--slide-v .rlst-ab__item.is-leaving {
	opacity: 0;
	transform: translateY(-100%);
}

/* --- Bolinhas de navegação --- */
.rlst-ab__dots {
	position: absolute;
	right: 14px;
	top: 50%;
	transform: translateY(-50%);
	display: flex;
	gap: 6px;
}

.rlst-ab__dot {
	width: 7px;
	height: 7px;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: currentColor;
	opacity: 0.4;
	cursor: pointer;
	transition: opacity 0.2s ease, transform 0.2s ease;
}

.rlst-ab__dot:hover {
	opacity: 0.7;
}

.rlst-ab__dot.is-active {
	opacity: 1;
	transform: scale(1.25);
}

.rlst-ab__dot:focus-visible {
	outline: 2px solid var(--rlst-ab-hover);
	outline-offset: 2px;
}

@media (max-width: 600px) {
	.rlst-ab__viewport {
		padding: 0 32px;
	}
	.rlst-ab {
		font-size: 13px;
	}
	.rlst-ab__dots {
		right: 8px;
	}
}

/* Acessibilidade: sem animação para quem pede menos movimento. */
@media (prefers-reduced-motion: reduce) {
	.rlst-ab__item {
		transition: opacity 0.001s linear;
		transform: none !important;
	}
	.rlst-ab--slide-h .rlst-ab__item,
	.rlst-ab--slide-v .rlst-ab__item {
		transform: none !important;
	}
}