/**
 * BeArt QR — tlačidlo a okno s QR kódom. Farby z predvolieb témy (--wp--preset--color--*),
 * inak neutrálne náhradné hodnoty; obrázok kódu je vždy biela karta (čitateľnosť aj v tmavom režime).
 */
.beart-qr {
	margin-block: 0.75rem 0;
}

.beart-qr__button {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	min-height: 44px;
	padding: 0 1rem;
	border: 1px solid var(--wp--preset--color--line, #d4d4d4);
	border-radius: 2px;
	background: transparent;
	color: inherit;
	font: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	line-height: 1.2;
	cursor: pointer;
	transition: border-color 0.2s;
}

.beart-qr__button:hover,
.beart-qr__button:focus-visible {
	border-color: currentColor;
}

.beart-qr__button:focus-visible,
.beart-qr__close:focus-visible,
.beart-qr__action:focus-visible {
	outline: 2px solid var(--wp--preset--color--accent, currentColor);
	outline-offset: 2px;
}

.beart-qr__icon {
	flex: none;
}

/* Bez podpory popover API ostane okno skryté (pravidlo s :popover-open prehliadač zahodí). */
.beart-qr__popover {
	display: none;
}

.beart-qr__popover:popover-open {
	display: block;
	box-sizing: border-box;
	width: min(92vw, 380px);
	max-height: 92vh;
	margin: auto;
	padding: 1.25rem;
	overflow: auto;
	border: 1px solid var(--wp--preset--color--line, #d4d4d4);
	border-radius: 4px;
	background: var(--wp--preset--color--base, #fff);
	color: var(--wp--preset--color--contrast, #111);
	box-shadow: 0 24px 64px rgb(0 0 0 / 0.28);
}

.beart-qr__popover::backdrop {
	background: rgb(0 0 0 / 0.5);
}

.beart-qr__head {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
}

.beart-qr__title {
	margin: 0;
	font-size: 1.05rem;
	font-weight: 700;
	line-height: 1.3;
}

.beart-qr__close {
	display: grid;
	flex: none;
	place-items: center;
	width: 44px;
	height: 44px;
	margin: -0.6rem -0.6rem 0 0;
	border: 0;
	background: transparent;
	color: inherit;
	font-size: 1.6rem;
	line-height: 1;
	cursor: pointer;
}

.beart-qr__product {
	margin: 0.35rem 0 0.9rem;
	color: var(--wp--preset--color--muted, #555);
	font-size: 0.875rem;
	line-height: 1.4;
}

/* Karta kódu je vždy biela (čitateľnosť kódu aj v tmavom režime). Pod obrázkom sú presýpacie
 * hodiny „Vytvára sa QR kód…“ — kým sa obrázok nenačíta, vidno ich; potom ich obrázok zakryje. */
.beart-qr__frame {
	display: grid;
	max-width: 300px;
	margin: 0 auto;
	overflow: hidden;
	border: 1px solid var(--wp--preset--color--line, #e2e2e2);
	border-radius: 10px;
	background: #fff;
}

.beart-qr__frame > * {
	grid-area: 1 / 1;
}

.beart-qr__loading {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.35rem;
	padding: 1rem;
	color: #4d524d;
	text-align: center;
}

.beart-qr__hourglass {
	margin-bottom: 0.3rem;
}

/* Bez animácie (prefers-reduced-motion): pokojný stav — piesok spolovice hore aj dole. */
.beart-qr__glass,
.beart-qr__sand-top,
.beart-qr__sand-bottom {
	transform-box: fill-box;
}

.beart-qr__glass {
	transform-origin: 50% 50%;
}

.beart-qr__sand-top,
.beart-qr__sand-bottom {
	transform-origin: 50% 100%;
}

.beart-qr__sand-top {
	transform: scaleY(0.55);
}

.beart-qr__sand-bottom {
	transform: scaleY(0.5);
}

.beart-qr__stream {
	opacity: 0;
}

.beart-qr__loading-title {
	font-size: 0.9rem;
	font-weight: 700;
}

.beart-qr__loading-note {
	font-size: 0.8rem;
}

.beart-qr__image {
	position: relative;
	z-index: 1;
	display: block;
	width: 100%;
	height: auto;
	color: transparent; /* Alt text počas načítania neprekryje presýpacie hodiny. */
}

.beart-qr__hint {
	margin: 0.9rem 0 0;
	color: var(--wp--preset--color--muted, #555);
	font-size: 0.8125rem;
	line-height: 1.45;
	text-align: center;
}

.beart-qr__actions {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.5rem;
	margin-top: 1rem;
}

.beart-qr__action {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.35rem;
	min-height: 64px;
	padding: 0.5rem 0.25rem;
	border: 1px solid var(--wp--preset--color--line, #d4d4d4);
	border-radius: 2px;
	color: inherit;
	font-size: 0.8125rem;
	font-weight: 600;
	line-height: 1.2;
	text-align: center;
	text-decoration: none;
	transition: border-color 0.2s;
}

.beart-qr__action:hover {
	border-color: currentColor;
}

.beart-qr .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
	.beart-qr__popover:popover-open {
		animation: beart-qr-in 0.18s ease-out;
	}

	.beart-qr__glass {
		animation: beart-qr-flip 3s infinite;
	}

	.beart-qr__sand-top {
		animation: beart-qr-drain 3s linear infinite;
	}

	.beart-qr__sand-bottom {
		animation: beart-qr-fill 3s linear infinite;
	}

	.beart-qr__stream {
		animation: beart-qr-stream 3s linear infinite;
	}

	@keyframes beart-qr-drain {
		0% {
			transform: scaleY(1);
		}

		80%,
		100% {
			transform: scaleY(0);
		}
	}

	@keyframes beart-qr-fill {
		0% {
			transform: scaleY(0);
		}

		80%,
		100% {
			transform: scaleY(1);
		}
	}

	/* Zrnká padajú nadol (posun vzoru čiarky po smere cesty zhora nadol). */
	@keyframes beart-qr-stream {
		0% {
			opacity: 1;
			stroke-dashoffset: 0;
		}

		76% {
			opacity: 1;
			stroke-dashoffset: -17.6;
		}

		80%,
		100% {
			opacity: 0;
			stroke-dashoffset: -17.6;
		}
	}

	@keyframes beart-qr-flip {
		0%,
		82% {
			transform: rotate(0);
			animation-timing-function: ease-in-out;
		}

		100% {
			transform: rotate(180deg);
		}
	}

	@keyframes beart-qr-in {
		from {
			opacity: 0;
			transform: translateY(8px);
		}
	}
}