/**
 * TDS Component: Metadata & Registry Blocks
 * Version: 3.2.5 (Final 50+ Accessibility Hardening)
 * Compliance: WCAG 2.1 AAA
 * Logic: High-contrast data display with enforced tap targets
 */

.uh-metadata-block {
	display: inline-flex;
	align-items: center;
	gap: var(--tds-space-03);
	
	/* 50+ Physical Safety */
	min-height: var(--tds-tap-target-min); /* Enforced 44px floor */
	padding: var(--tds-space-01) var(--tds-space-03);
	
	/* Boundary & Surface */
	background-color: #FFFFFF;
	border: 1px solid var(--tds-border);
	border-radius: var(--tds-radius-sm);
	
	/* Typography: The "Evidence" Layer */
	font-family: var(--tds-font-system);
	font-size: var(--tds-type-size-meta); /* Standardized floor ~15.7px */
	line-height: 1; /* Reset for vertical centering */
	text-transform: uppercase;
	letter-spacing: var(--tds-type-track-label);
	color: var(--tds-text-muted);
}

.uh-metadata-label,
.uh-ledger-label {
	font-weight: var(--tds-weight-medium);
	color: var(--tds-text-main);
}

.uh-metadata-value {
	/* Descriptive and structured factual metadata uses system typography. */
	font-family: var(--tds-font-system);
	font-size: var(--tds-type-size-meta);
	font-weight: var(--tds-weight-medium);
}

.uh-metadata-value--technical,
.uh-ledger-value {
	/* Tabular alignment for identifiers and technical values. */
	font-family: var(--tds-font-technical);
}

.uh-rail-value {
	font-family: var(--tds-font-system);
	font-size: var(--tds-type-size-meta);
	font-weight: var(--tds-weight-medium);
	line-height: var(--tds-type-line-meta);
	color: var(--tds-text-main);
	overflow-wrap: anywhere;
}

.uh-metadata-divider {
	width: 1px;
	height: 1rem; /* Relative height scaled to 18px context */
	background-color: var(--tds-border);
	opacity: 0.8;
}

.uh-ledger {
	display: grid;
	gap: var(--tds-space-03);
	margin: 0;
	padding: 0;
	list-style: none;
}

/* Interaction: Ensure links within blocks are identifiable */
.uh-metadata-block a {
	color: inherit;
	text-decoration: none;
	transition: color var(--tds-motion-duration-snappy) ease;
}

.uh-metadata-block a:hover,
.uh-metadata-block a:focus-visible {
	color: var(--tds-brand-strong);
}

/* Generic offering metadata rail. */
.uh-metadata-rail {
	background-color: var(--tds-surface);
	border-top: 1px solid var(--tds-border);
	border-bottom: 1px solid var(--tds-border);
}

.uh-metadata-rail__grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.uh-metadata-rail__item {
	min-width: 0;
	padding: var(--tds-space-03) var(--tds-space-04);
	border-right: 1px solid var(--tds-border);
}

.uh-metadata-rail__item:first-child {
	padding-left: 0;
}

.uh-metadata-rail__item:last-child {
	padding-right: 0;
	border-right: 0;
}

.uh-metadata-rail .uh-metadata-label {
	display: block;
	margin: 0 0 var(--tds-space-01);
	font-family: var(--tds-font-system);
	font-size: var(--tds-type-size-label);
	line-height: var(--tds-type-line-label);
	letter-spacing: var(--tds-type-track-label);
	text-transform: uppercase;
}

.uh-metadata-rail .uh-metadata-value {
	display: block;
	margin: 0;
	font-size: var(--tds-type-size-meta);
	line-height: var(--tds-type-line-meta);
	color: var(--tds-text-main);
}

@media (max-width: 767.98px) {
	.uh-metadata-rail__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.uh-metadata-rail__item,
	.uh-metadata-rail__item:first-child,
	.uh-metadata-rail__item:last-child {
		padding: var(--tds-space-03) 0;
		border-right: 0;
		border-bottom: 1px solid var(--tds-border);
	}

	.uh-metadata-rail__item:nth-child(odd) {
		padding-right: var(--tds-space-03);
	}

	.uh-metadata-rail__item:nth-child(even) {
		padding-left: var(--tds-space-03);
	}

	.uh-metadata-rail__item:nth-last-child(-n + 2) {
		border-bottom: 0;
	}
}

@media (max-width: 479.98px) {
	.uh-metadata-rail__grid {
		grid-template-columns: 1fr;
	}

	.uh-metadata-rail__item,
	.uh-metadata-rail__item:first-child,
	.uh-metadata-rail__item:last-child,
	.uh-metadata-rail__item:nth-child(odd),
	.uh-metadata-rail__item:nth-child(even) {
		padding: var(--tds-space-03) 0;
		border-right: 0;
		border-bottom: 1px solid var(--tds-border);
	}

	.uh-metadata-rail__item:last-child {
		border-bottom: 0;
	}
}