/*
 * ANTA Musica – pulsante fisso in basso a destra.
 * Colori presi dal sito (verde #14532d, verde chiaro #15803d).
 * Per spostarlo o ridimensionarlo basta cambiare le variabili qui sotto.
 */
.anta-musica {
	--anta-musica-bg: #14532d;
	--anta-musica-bg-hover: #15803d;
	--anta-musica-fg: #ffffff;
	--anta-musica-size: 48px;
	--anta-musica-right: 20px;
	--anta-musica-bottom: 20px;

	position: fixed;
	right: max(var(--anta-musica-right), env(safe-area-inset-right));
	bottom: max(var(--anta-musica-bottom), env(safe-area-inset-bottom));
	z-index: 9990;
	margin: 0;
	padding: 0;
}

.anta-musica[hidden] {
	display: none;
}

.anta-musica__btn {
	-webkit-appearance: none;
	appearance: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: var(--anta-musica-size);
	height: var(--anta-musica-size);
	min-width: 0;
	min-height: 0;
	margin: 0;
	padding: 0;
	border: 2px solid rgba(255, 255, 255, 0.9);
	border-radius: 50%;
	background: var(--anta-musica-bg);
	color: var(--anta-musica-fg);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
	cursor: pointer;
	line-height: 1;
	transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
	-webkit-tap-highlight-color: transparent;
}

.anta-musica__btn:hover {
	background: var(--anta-musica-bg-hover);
	transform: scale(1.06);
}

.anta-musica__btn:active {
	transform: scale(0.97);
}

/* Musica accesa: un leggero alone lo rende riconoscibile a colpo d'occhio. */
.anta-musica__btn[aria-pressed="true"] {
	box-shadow: 0 0 0 4px rgba(21, 128, 61, 0.28), 0 2px 8px rgba(0, 0, 0, 0.25);
}

.anta-musica__btn:focus-visible {
	outline: 3px solid #1f2937;
	outline-offset: 3px;
	box-shadow: 0 0 0 3px #ffffff, 0 2px 8px rgba(0, 0, 0, 0.25);
}

.anta-musica__icon {
	display: block;
	width: 22px;
	height: 22px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
	pointer-events: none;
}

.anta-musica__icon--on {
	display: none;
}

.anta-musica__btn[aria-pressed="true"] .anta-musica__icon--on {
	display: block;
}

.anta-musica__btn[aria-pressed="true"] .anta-musica__icon--off {
	display: none;
}

/* Testo per lettori di schermo, non visibile. */
.anta-musica__label {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

@media (prefers-reduced-motion: reduce) {
	.anta-musica__btn {
		transition: none;
	}
	.anta-musica__btn:hover,
	.anta-musica__btn:active {
		transform: none;
	}
}

@media print {
	.anta-musica {
		display: none !important;
	}
}