/**
 * TDS Component: Discovery Nexus (Search)
 * Architecture: Modular Input, Dropdown, and Loader UI
 */

/* ==========================================================================
   1. Search Input
   ========================================================================== */

.uh-header-search-wrap {
	position: relative !important;
}

.uh-header-search {
	background-color: #f9fafb;
	border: 1px solid var(--tds-border);
	border-radius: 2px;
	padding: 0 var(--tds-space-02);
	transition:
		border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
		background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
		box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.uh-header-search:focus-within {
	border-color: var(--tds-brand);
	background-color: #ffffff;
}

.uh-header-search-input {
	border: none !important;
	box-shadow: none !important;
	background: transparent !important;
	font-family: var(--tds-font-system);
	font-size: var(--tds-type-size-meta);
	line-height: var(--tds-type-line-meta);
	color: var(--tds-text-main);
	min-width: 0;
}

.uh-header-search-input::placeholder {
	color: var(--tds-text-muted);
	opacity: 1;
}

/* Purge native WebKit search controls */
.uh-header-search-input::-webkit-search-decoration,
.uh-header-search-input::-webkit-search-cancel-button,
.uh-header-search-input::-webkit-search-results-button,
.uh-header-search-input::-webkit-search-results-decoration {
	-webkit-appearance: none;
	display: none;
}

/* ==========================================================================
   2. Dropdown Architecture
   ========================================================================== */

#uh-header-search-dd {
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	width: max(100%, 18rem);
	min-width: 0;
	max-width: min(calc(100vw - 2rem), 32rem);
	background-color: #ffffff !important;
	border: 1px solid var(--tds-border);
	border-radius: 2px;
	box-shadow: 0 12px 32px var(--tds-border);
	z-index: 1050 !important;
	max-height: 65vh;
	overflow-y: auto;
}

#uh-header-search-dd::-webkit-scrollbar {
	width: 6px;
}

#uh-header-search-dd::-webkit-scrollbar-track {
	background: #f9fafb;
}

#uh-header-search-dd::-webkit-scrollbar-thumb {
	background: #d1d5db;
	border-radius: 4px;
}

/* ==========================================================================
   3. Suggestion Items
   ========================================================================== */

.uh-suggest-item {
	background-color: #ffffff;
	border-bottom: 1px solid var(--tds-border-subtle);
	padding: var(--tds-space-03) var(--tds-space-04);
	transition: background-color 0.15s ease;
}

.uh-suggest-item:last-child {
	border-bottom: none;
}

.uh-suggest-item:hover,
.uh-suggest-item:focus-within {
	background-color: #f9fafb;
}

.uh-suggest-item a {
	display: flex;
	flex-direction: column;
	gap: var(--tds-space-02);
	color: inherit;
	text-decoration: none;
}

.uh-suggest-item a:focus-visible {
	text-decoration: none;
}

.uh-suggest-item mark {
	background-color: var(--tds-brand-a12);
	color: var(--tds-text-main);
	font-weight: var(--tds-type-weight-heavy);
	padding: 0 2px;
	border-radius: 2px;
}

/* ==========================================================================
   4. Shared Search Badge / Meta Tag
   ========================================================================== */

.uh-meta-tag {
	display: inline-flex;
	align-items: center;
	font-family: var(--tds-font-system);
	font-size: var(--tds-type-size-label);
	font-weight: var(--tds-weight-medium);
	line-height: var(--tds-type-line-label);
	text-transform: uppercase;
	letter-spacing: var(--tds-type-track-label);
	padding: 2px 8px;
	border: 1px solid var(--tds-border);
	border-radius: 4px;
	background: #f8fafc;
	color: var(--tds-text-muted);
}

.uh-meta-tag.badge-uxlab {
	border-color: var(--tds-text-main);
	color: var(--tds-text-main);
	background: #ffffff;
}

.uh-meta-tag.badge-insights {
	border-color: var(--tds-brand);
	color: var(--tds-brand-strong);
	background: #ffffff;
}

/* ==========================================================================
   5. Search Application Surface
   ========================================================================== */

.bg-light-gray {
	background-color: #f9fafb;
}

.uh-search-hero-wrap {
	padding-top: 4rem;
	transition:
		padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
		background-color 0.4s ease;
}

.uh-search-titles {
	transition:
		opacity 0.3s ease,
		height 0.3s ease,
		margin 0.3s ease,
		padding 0.3s ease;
	overflow: hidden;
}

.uh-search-page.is-searching .uh-search-hero-wrap {
	padding-top: 1.5rem;
	padding-bottom: 1.5rem;
	background-color: #ffffff;
	border-bottom: 1px solid var(--tds-border);
}

.uh-search-page.is-searching .uh-search-titles {
	opacity: 0;
	height: 0 !important;
	padding: 0 !important;
	margin: 0 !important;
}

/* ==========================================================================
   6. Quick Start Chips
   ========================================================================== */

.uh-chip {
	background: #ffffff;
	border: 1px solid var(--tds-border);
	border-radius: 50px;
	padding: 6px 16px;
	font-size: var(--tds-type-size-meta);
	font-weight: var(--tds-type-weight-semibold);
	line-height: var(--tds-type-line-meta);
	color: #4b5563;
	transition:
		border-color 0.2s ease,
		color 0.2s ease,
		transform 0.2s ease,
		background-color 0.2s ease,
		box-shadow 0.2s ease;
	cursor: pointer;
}

.uh-chip:hover {
	border-color: var(--tds-brand);
	color: var(--tds-brand-strong);
	transform: translateY(-1px);
}

.uh-chip:focus-visible {
	border-color: var(--tds-brand);
	background: #ffffff;
	color: var(--tds-text-main);
}

/* ==========================================================================
   7. Facets
   ========================================================================== */

.facet-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: 0.85rem 1.25rem;
	background: #ffffff;
	border: none;
	border-bottom: 1px solid #f3f4f6;
	text-align: left;
	font-size: var(--tds-type-size-meta);
	line-height: var(--tds-type-line-meta);
	color: var(--tds-text-main);
}

.facet-item:hover {
	background: #f9fafb;
}

.facet-item:focus-visible {
	position: relative;
	background: #f9fafb;
}

.facet-item.active {
	color: var(--tds-brand-strong);
	font-weight: var(--tds-type-weight-bold);
	background: #ffffff;
	border-left: 3px solid var(--tds-brand);
}

/* ==========================================================================
   8. Search Results Cards
   ========================================================================== */

.results-stack .uh-card {
	background: transparent;
}

.results-stack .uh-card a:focus-visible {
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* ==========================================================================
   9. Responsive
   ========================================================================== */

@media (max-width: 575.98px) {
	.uh-chip {
		font-size: var(--tds-type-size-label);
		padding: 6px 14px;
	}

	.facet-item {
		padding: 0.8rem 1rem;
		font-size: var(--tds-type-size-label);
	}
}