/**
 * Akel Tools Design System — Accessibility utilities
 */

.sr-only,
.at-sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.at-skip-link {
	position: fixed;
	top: var(--space-3);
	left: var(--space-3);
	z-index: calc(var(--z-toast) + 10);
	padding: var(--space-2) var(--space-4);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	color: var(--text-inverse);
	background: var(--brand-navy);
	border-radius: 0;
	text-decoration: none;
	transform: translateY(-120%);
	transition: transform var(--duration-fast) var(--ease-out);
}

.at-skip-link:focus {
	transform: translateY(0);
	outline: none;
	box-shadow: var(--focus-ring);
}

[data-theme="dark"] .at-skip-link {
	color: var(--text-primary);
	background: var(--surface-elevated);
	border: 1px solid var(--border-strong);
}

@media (prefers-reduced-transparency: reduce) {
	.at-glass,
	.at-glass--strong,
	.at-topbar,
	.at-modal__dialog.at-glass,
	.proto-tile {
		-webkit-backdrop-filter: none !important;
		backdrop-filter: none !important;
		background: var(--surface-elevated) !important;
	}

	.at-sidebar {
		-webkit-backdrop-filter: none !important;
		backdrop-filter: none !important;
	}

	[data-theme="dark"] .at-sidebar {
		background: var(--surface-elevated) !important;
	}
}

@media (forced-colors: active) {
	.at-btn {
		border: 2px solid ButtonText;
	}
	.at-coll-chip {
		border: 2px solid ButtonText;
	}
	.at-status-check,
	.at-status-x,
	.at-status-neutral {
		forced-color-adjust: none;
	}
}