/* Vast Glossary Index — brand-neutral base. Override via CSS variables or brand stylesheet. */

.vge-glossary-index {
	--vge-accent: #2563eb;
	--vge-accent-soft: color-mix(in srgb, var(--vge-accent) 12%, #fff);
	--vge-text: #111827;
	--vge-muted: #4b5563;
	--vge-border: #e5e7eb;
	--vge-surface: #ffffff;
	--vge-surface-soft: #f9fafb;
	--vge-radius: 14px;
	--vge-control-radius: 10px;
	--vge-card-radius: 14px;
	--vge-card-gap: 18px;
	--vge-card-pad: 22px;
	--vge-card-title-size: 1.5rem;
	--vge-shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
	--vge-shadow-hover: 0 6px 18px rgba(17, 24, 39, 0.07);
	--vge-columns: 2;
	--vge-focus: 0 0 0 3px color-mix(in srgb, var(--vge-accent) 30%, transparent);
	--vge-tools-gap-search-az: 16px;
	--vge-tools-gap-az-cats: 14px;
	--vge-tools-to-results: 30px;

	box-sizing: border-box;
	width: 100%;
	max-width: 100%;
	color: var(--vge-text);
	font-family: inherit;
	font-size: 1rem;
	line-height: 1.5;
}

.vge-glossary-index *,
.vge-glossary-index *::before,
.vge-glossary-index *::after {
	box-sizing: border-box;
}

.vge-glossary-tools {
	display: flex;
	flex-direction: column;
	gap: 0;
	margin: 0;
}

.vge-glossary-search {
	position: relative;
	display: flex;
	align-items: center;
	width: 100%;
	margin: 0 0 var(--vge-tools-gap-search-az);
}

.vge-glossary-search__icon {
	position: absolute;
	left: 1rem;
	display: inline-flex;
	color: var(--vge-muted);
	pointer-events: none;
}

.vge-glossary-search__input {
	width: 100%;
	min-height: 54px;
	padding: 0.75rem 2.85rem 0.75rem 2.85rem;
	border: 1px solid var(--vge-border);
	border-radius: var(--vge-radius);
	background: var(--vge-surface);
	color: var(--vge-text);
	font: inherit;
	font-size: 1rem;
	appearance: none;
	box-shadow: none;
}

.vge-glossary-search__input::placeholder {
	color: color-mix(in srgb, var(--vge-muted) 85%, transparent);
}

.vge-glossary-search__input:focus {
	outline: none;
	border-color: var(--vge-accent);
	box-shadow: var(--vge-focus);
}

.vge-glossary-search__input::-webkit-search-cancel-button {
	display: none;
}

.vge-glossary-search__clear {
	position: absolute;
	right: 0.5rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	padding: 0;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: var(--vge-muted);
	font-size: 1.35rem;
	line-height: 1;
	cursor: pointer;
}

.vge-glossary-search__clear:hover,
.vge-glossary-search__clear:focus-visible {
	color: var(--vge-text);
	background: var(--vge-surface-soft);
	outline: none;
}

.vge-glossary-search__clear[hidden] {
	display: none !important;
}

.vge-glossary-az {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem;
	margin: 0 0 var(--vge-tools-gap-az-cats);
	padding: 0;
}

.vge-glossary-az__link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.35rem;
	height: 2.35rem;
	min-width: 2.35rem;
	padding: 0;
	border: 1px solid var(--vge-border);
	border-radius: var(--vge-control-radius);
	background: var(--vge-surface);
	color: var(--vge-muted);
	font-size: 0.8rem;
	font-weight: 650;
	text-decoration: none;
	box-shadow: none;
}

.vge-glossary-az__link:hover,
.vge-glossary-az__link:focus-visible {
	border-color: var(--vge-accent);
	color: var(--vge-accent);
	outline: none;
	box-shadow: var(--vge-focus);
}

.vge-glossary-az__link.is-active {
	border-color: var(--vge-accent);
	background: var(--vge-accent-soft);
	color: var(--vge-accent);
}

.vge-glossary-az__link[hidden] {
	display: none !important;
}

.vge-glossary-cats {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin: 0;
}

.vge-glossary-cat {
	appearance: none;
	display: inline-flex;
	align-items: center;
	min-height: 36px;
	padding: 0.35rem 0.85rem;
	border: 1px solid var(--vge-border);
	border-radius: 999px;
	background: var(--vge-surface);
	color: var(--vge-text);
	font: inherit;
	font-size: 0.84rem;
	font-weight: 600;
	cursor: pointer;
	box-shadow: none;
}

.vge-glossary-cat:hover,
.vge-glossary-cat:focus-visible {
	border-color: var(--vge-accent);
	background: var(--vge-accent-soft);
	outline: none;
	box-shadow: none;
}

.vge-glossary-cat.is-active,
.vge-glossary-cat[aria-pressed="true"] {
	border-color: var(--vge-text);
	background: var(--vge-text);
	color: #fff;
}

.vge-glossary-cats-mobile {
	display: none;
}

.vge-glossary-cats-select {
	width: 100%;
	min-height: 44px;
	padding: 0.55rem 0.75rem;
	border: 1px solid var(--vge-border);
	border-radius: var(--vge-control-radius);
	background: var(--vge-surface);
	color: var(--vge-text);
	font: inherit;
}

.vge-glossary-cats-select:focus {
	outline: none;
	border-color: var(--vge-accent);
	box-shadow: var(--vge-focus);
}

.vge-glossary-meta {
	margin: var(--vge-tools-to-results) 0 0.85rem;
}

.vge-glossary-count {
	margin: 0;
	color: var(--vge-muted);
	font-size: 0.84rem;
}

.vge-glossary-empty {
	margin: 0 0 1.25rem;
	padding: 1.15rem 1.25rem;
	border: 1px dashed var(--vge-border);
	border-radius: var(--vge-radius);
	background: var(--vge-surface-soft);
	text-align: center;
}

.vge-glossary-empty[hidden] {
	display: none !important;
}

.vge-glossary-empty p {
	margin: 0 0 0.75rem;
	color: var(--vge-muted);
}

.vge-glossary-reset {
	appearance: none;
	min-height: 40px;
	padding: 0.45rem 0.95rem;
	border: 1px solid var(--vge-border);
	border-radius: 999px;
	background: var(--vge-surface);
	color: var(--vge-text);
	font: inherit;
	font-size: 0.875rem;
	font-weight: 600;
	cursor: pointer;
}

.vge-glossary-reset:hover,
.vge-glossary-reset:focus-visible {
	border-color: var(--vge-accent);
	outline: none;
	box-shadow: var(--vge-focus);
}

.vge-letter-section {
	margin: 0 0 2rem;
	scroll-margin-top: 1.25rem;
}

.vge-letter-section[hidden] {
	display: none !important;
}

.vge-letter-heading {
	margin: 0 0 0.85rem;
	padding-bottom: 0.4rem;
	border-bottom: 1px solid var(--vge-border);
	color: var(--vge-text);
	font-family: inherit;
	font-size: clamp(1.2rem, 1.8vw, 1.4rem);
	font-weight: 750;
	letter-spacing: -0.02em;
	line-height: 1.2;
}

.vge-term-grid {
	display: grid;
	grid-template-columns: repeat(var(--vge-columns), minmax(0, 1fr));
	gap: var(--vge-card-gap);
}

.vge-term-card {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	min-width: 0;
	padding: var(--vge-card-pad);
	border: 1px solid var(--vge-border);
	border-radius: var(--vge-card-radius);
	background: var(--vge-surface);
	box-shadow: var(--vge-shadow);
	color: inherit;
	text-decoration: none;
	cursor: pointer;
	transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.vge-term-card[hidden] {
	display: none !important;
}

.vge-term-card:hover {
	transform: translateY(-1px);
	border-color: color-mix(in srgb, var(--vge-accent) 40%, var(--vge-border));
	box-shadow: var(--vge-shadow-hover);
}

.vge-term-card:focus-visible {
	outline: none;
	border-color: var(--vge-accent);
	box-shadow: var(--vge-focus), var(--vge-shadow-hover);
}

.vge-term-card__media {
	margin: -0.15rem -0.15rem 0.4rem;
	overflow: hidden;
	border-radius: calc(var(--vge-card-radius) - 4px);
	aspect-ratio: 16 / 9;
	background: var(--vge-surface-soft);
}

.vge-term-card__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.vge-term-card__cat {
	display: inline-flex;
	align-items: center;
	align-self: flex-start;
	margin: 0 0 0.35rem;
	padding: 0.22rem 0.65rem;
	border: 1px solid color-mix(in srgb, var(--vge-accent) 22%, var(--vge-border));
	border-radius: 999px;
	background: color-mix(in srgb, var(--vge-accent) 10%, #fff);
	color: var(--vge-text);
	font-size: 0.68rem;
	font-weight: 750;
	letter-spacing: 0.06em;
	line-height: 1.3;
	text-transform: uppercase;
}

.vge-term-card__title {
	display: block;
	margin: 0 0 0.55rem;
	font-family: inherit;
	font-size: var(--vge-card-title-size);
	font-weight: 700;
	letter-spacing: -0.02em;
	line-height: 1.15;
	color: var(--vge-text);
}

.vge-term-card:hover .vge-term-card__title,
.vge-term-card:focus-visible .vge-term-card__title {
	color: var(--vge-accent);
}

.vge-term-card__excerpt {
	display: block;
	margin: 0;
	color: var(--vge-muted);
	font-size: 13px;
	line-height: 1.4;
}

.vge-term-card__cta {
	display: inline-block;
	margin-top: auto;
	padding-top: 0.65rem;
	color: var(--vge-text);
	font-size: 0.875rem;
	font-weight: 700;
	text-decoration: none;
}

.vge-term-card:hover .vge-term-card__cta,
.vge-term-card:focus-visible .vge-term-card__cta {
	color: var(--vge-accent);
	text-decoration: underline;
}

@media (max-width: 1024px) {
	.vge-glossary-index {
		--vge-columns: 2;
		--vge-card-title-size: 1.4rem;
	}
}

@media (max-width: 720px) {
	.vge-glossary-index {
		--vge-columns: 1;
		--vge-card-title-size: 1.35rem;
		--vge-card-pad: 18px;
		--vge-card-gap: 16px;
		--vge-tools-to-results: 24px;
	}

	.vge-glossary-cats {
		display: none;
	}

	.vge-glossary-cats-mobile {
		display: block;
	}

	.vge-glossary-az {
		flex-wrap: nowrap;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: thin;
		padding-bottom: 0.15rem;
	}

	.vge-glossary-az__link {
		flex: 0 0 auto;
	}

	.vge-glossary-search__input {
		min-height: 52px;
	}
}

@media (min-width: 1280px) {
	.vge-glossary-index[data-columns="3"] {
		--vge-columns: 3;
	}
}

@media (prefers-reduced-motion: reduce) {
	.vge-term-card {
		transition: none;
	}

	.vge-term-card:hover {
		transform: none;
	}
}

/* Back to top — appears once the A–Z bar scrolls out of view */
.vge-back-to-top {
	position: fixed;
	right: 2.75rem;
	bottom: 3.5rem;
	z-index: 2147483647;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.75rem;
	height: 2.75rem;
	padding: 0;
	border: 1px solid rgba(255, 255, 255, 0.85);
	border-radius: 999px;
	background: linear-gradient(135deg, #d6eefb 0%, #fbe0f4 100%);
	color: #0a0845;
	box-shadow:
		0 10px 24px rgba(10, 8, 69, 0.16),
		0 4px 10px rgba(108, 190, 237, 0.22),
		0 2px 4px rgba(255, 169, 231, 0.25);
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s, color 0.15s ease, border-color 0.15s ease;
	-webkit-backdrop-filter: blur(4px);
	backdrop-filter: blur(4px);
}

.vge-back-to-top.is-visible {
	opacity: 0.92;
	visibility: visible;
	transform: none;
}

.vge-back-to-top:hover,
.vge-back-to-top:focus-visible {
	opacity: 1;
	background: linear-gradient(135deg, #c3e6f9 0%, #f9cfee 100%);
	outline: none;
	transform: translateY(-2px);
	box-shadow:
		0 14px 30px rgba(10, 8, 69, 0.2),
		0 6px 14px rgba(108, 190, 237, 0.3),
		0 3px 6px rgba(255, 169, 231, 0.32);
}

@media (max-width: 600px) {
	.vge-back-to-top {
		right: 1.25rem;
		bottom: 2rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.vge-back-to-top {
		transition: none;
	}
}