/**
 * Glossary Styles
 *
 * @package WP_Glossary_Hub
 */

/* ==========================================================================
   Screen Reader Only
   ========================================================================== */

.wp-glossary-hub-sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

/* ==========================================================================
   Cross-Link Styles
   ========================================================================== */

.wp-glossary-hub-link {
	color: inherit;
	text-decoration: underline;
	text-decoration-style: dotted;
	text-decoration-thickness: 1px;
	text-underline-offset: 2px;
}

.wp-glossary-hub-link:hover,
.wp-glossary-hub-link:focus {
	text-decoration-style: solid;
}

.wp-glossary-hub-link:focus-visible {
	outline: 2px solid var(--glossary-focus-color, #005a87);
	outline-offset: 2px;
	border-radius: 2px;
}

/* ==========================================================================
   Glossary Term Spans
   ========================================================================== */

dfn {
	font-style: normal;
}

dfn.wp-glossary-hub-term span {
	color: inherit;
	text-decoration: underline;
	text-decoration-style: dotted;
	text-decoration-thickness: 1px;
	text-decoration-color: var(--glossary-underline-color, rgba(0, 0, 0, 0.4));
	text-underline-offset: 3px;
	cursor: help;
	font-weight: inherit;
	font-size: inherit;
	line-height: inherit;
	border-bottom: none;
}

dfn.wp-glossary-hub-term span:hover,
dfn.wp-glossary-hub-term span:focus {
	text-decoration-color: var(--glossary-underline-hover-color, rgba(0, 0, 0, 0.7));
}

dfn.wp-glossary-hub-term span:focus-visible {
	outline: 2px solid var(--glossary-focus-color, #005a87);
	outline-offset: 2px;
	border-radius: 2px;
}

/* ==========================================================================
   Popover Styles
   ========================================================================== */

.wp-glossary-hub-popover {
	position: fixed;
	margin: 0 !important;
	border: 1px solid var(--glossary-border-color, #ddd);
	border-radius: 8px;
	padding: 1.5rem;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
	background-color: var(--glossary-bg-color, #fff);
	max-width: min(90vw, 340px);
	color: var(--glossary-text-color, #333);
	font-size: 1.6rem;
	line-height: 1.5;

	/* Positioned via JS for reliable viewport clamping on all devices. */
	inset: unset;
}

/* Fallback: ensure popovers are hidden when not open.
   The Popover API handles this natively, but some browsers/themes
   may interfere — this guarantees correct default state. */
.wp-glossary-hub-popover:not(:popover-open) {
	display: none;
}

.wp-glossary-hub-popover::backdrop {
	background-color: rgba(0, 0, 0, 0.1);
}

.wp-glossary-hub-popover .glossary-title {
	display: block;
	font-size: 1.7rem;
	font-weight: 600;
	color: var(--glossary-heading-color, #000);
	margin-top: 0;
	margin-bottom: 0.75rem;
}

.wp-glossary-hub-popover > p {
	margin: 0.5rem 0 0 0;
}

.wp-glossary-hub-popover > p:first-of-type {
	margin-top: 0;
}

.wp-glossary-hub-popover > p:last-of-type {
	margin-bottom: 0;
}

.wp-glossary-hub-popover > p a {
	color: var(--glossary-link-color, #0073aa);
	text-decoration: none;
	font-weight: 500;
	border-bottom: 1px solid transparent;
	transition: border-color 0.2s ease;
}

.wp-glossary-hub-popover > p a:hover,
.wp-glossary-hub-popover > p a:focus {
	border-bottom-color: currentColor;
}

.wp-glossary-hub-popover > p a:focus-visible {
	outline: 2px solid var(--glossary-focus-color, #005a87);
	outline-offset: 2px;
	border-radius: 2px;
}

/* ==========================================================================
   Search Form
   ========================================================================== */

.glossary-search-form {
	display: flex;
	gap: 0.5rem;
	margin: 1.5rem 0;
	max-width: 100%;
}

.glossary-search-input-wrap {
	position: relative;
	flex: 1;
}

.glossary-search-input-wrap svg.glossary-search-icon {
	position: absolute;
	left: 1.8rem;
	top: 38%;
	transform: translateY(-50%);
	width: 1.7rem;
	height: 1.7rem;
	pointer-events: none;
	color: var(--glossary-meta-color, #999);
}

.glossary-search-input-wrap input#glossary-search {
	font-size: 1.7rem;
	padding: 1.4rem 1rem 1.25rem 5rem;
	line-height: 1;
	height: auto;
	display: flex;
	align-items: center;
	border: 1px solid var(--glossary-border-color, #ddd);
	border-radius: 4px;
	width: 100%;
}

.glossary-search-input-wrap input#glossary-search::placeholder {
	font-size: 1.7rem;
	line-height: 1;
}

/* ==========================================================================
   Glossary Block Styles
   ========================================================================== */

.wp-glossary-hub-block {
	margin: 2rem 0;
}

.glossary-navigation {
	margin: 2rem 0;
	position: sticky;
	top: 0;
	background-color: var(--glossary-nav-bg, #fff);
	padding: 1rem 0;
	border-top: 1px solid var(--glossary-border-color, #ddd);
	border-bottom: 1px solid var(--glossary-border-color, #ddd);
	z-index: 10;
}

.glossary-alphabet {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	justify-content: center;
}

.glossary-alphabet li a {
	display: inline-block;
	padding: 0.5rem 0.75rem;
	background-color: var(--glossary-letter-bg, #f5f5f5);
	color: var(--glossary-letter-color, #333);
	text-decoration: none;
	border-radius: 4px;
	font-weight: 600;
	transition: all 0.2s ease;
	min-width: 40px;
	text-align: center;
}

.glossary-alphabet li a:hover,
.glossary-alphabet li a:focus {
	background-color: var(--glossary-letter-hover-bg, #0073aa);
	color: var(--glossary-letter-hover-color, #fff);
}

.glossary-alphabet li a:focus-visible {
	outline: 2px solid var(--glossary-focus-color, #005a87);
	outline-offset: 2px;
}

.glossary-entries {
	margin-top: 2rem;
}

.glossary-letter-section {
	margin-bottom: 3rem;
	scroll-margin-top: 100px;
}

.glossary-letter-heading {
	font-size: 2rem;
	margin-bottom: 1.5rem;
	padding-bottom: 0.5rem;
	border-bottom: 2px solid var(--glossary-border-color, #ddd);
	color: var(--glossary-heading-color, #000);
}

.glossary-entry {
	scroll-margin-top: 100px;
	margin-bottom: 2rem;
	padding: 1.5rem;
	background-color: var(--glossary-entry-bg, #f9f9f9);
	border-radius: 8px;
	border-left: 4px solid var(--glossary-accent-color, #0073aa);
}

.glossary-entry-title {
	font-size: 1.5rem;
	margin-top: 0;
	margin-bottom: 0.75rem;
	color: var(--glossary-heading-color, #000);
}

.glossary-edit-link {
	margin: 0 0 0.75rem 0;
	font-size: 0.85rem;
}

.glossary-edit-link a {
	color: var(--glossary-link-color, #0073aa);
	text-decoration: none;
}

.glossary-edit-link a:hover,
.glossary-edit-link a:focus {
	text-decoration: underline;
}

.glossary-synonyms {
	font-size: 0.9rem;
	color: var(--glossary-meta-color, #666);
	margin-bottom: 0.75rem;
	font-style: italic;
}

.glossary-synonyms .synonyms-label {
	font-weight: 600;
	font-style: normal;
}

.glossary-short-description {
	color: var(--glossary-text-color, #333);
	margin-bottom: 1rem;
}

.glossary-long-description {
	color: var(--glossary-text-color, #555);
}

.glossary-long-description p:first-child {
	margin-top: 0;
}

.glossary-long-description p:last-child {
	margin-bottom: 0;
}

/* ==========================================================================
   Single Term — Last Modified
   ========================================================================== */

.glossary-last-modified {
	margin-top: 2rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
	.glossary-alphabet {
		gap: 0.25rem;
	}

	.glossary-alphabet li a {
		padding: 0.4rem 0.6rem;
		min-width: 35px;
		font-size: 0.9rem;
	}

	.glossary-letter-heading {
		font-size: 1.5rem;
	}

	.glossary-entry-title {
		font-size: 1.25rem;
	}
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
	.wp-glossary-hub-popover,
	.glossary-navigation {
		display: none;
	}

	dfn.wp-glossary-hub-term span {
		text-decoration: none;
		cursor: inherit;
	}

	.wp-glossary-hub-link {
		text-decoration: none;
		color: inherit;
	}
}