:root {
	--radius: 8px;
	--transition: 0.2s ease;
	--transition-spring: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
	--focus-ring: 0 0 0 3px color-mix(in srgb, var(--vscode-focusBorder) 20%, transparent);
	--hover-border: color-mix(in srgb, var(--vscode-focusBorder) 50%, transparent);
	--shadow-md: 0 6px 16px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.08);
	--shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2), 0 2px 8px rgba(0, 0, 0, 0.1);
}

* {
	box-sizing: border-box;
}

body.preload,
body.preload * {
	transition: none !important;
}

html {
	scrollbar-color: var(--vscode-scrollbarSlider-background) transparent;
}

body {
	font-family: var(--vscode-font-family);
	padding: 0;
	color: var(--vscode-foreground);
	background: var(--vscode-sideBar-background);
	margin: 0;
	height: 100vh;
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

input,
.dropdown-toggle {
	background: var(--vscode-input-background, var(--vscode-sideBar-background));
	color: var(--vscode-input-foreground);
	border: 1px solid var(--vscode-input-border, var(--vscode-sideBar-border, rgba(128, 128, 128, 0.35)));
	border-radius: var(--radius);
	padding: 10px 14px;
	font-size: 13px;
	outline: none;
	transition: border-color var(--transition), box-shadow var(--transition);

	&:hover {
		border-color: var(--hover-border);
	}

	&:focus {
		border-color: var(--vscode-focusBorder);
		box-shadow: var(--focus-ring);
	}
}

input {
	width: 100%;
	padding-right: 36px;

	&::placeholder {
		color: var(--vscode-input-placeholderForeground);
		opacity: 0.6;
	}
}

.search-wrapper {
	position: relative;
	width: 100%;
}

.clear-btn {
	position: absolute;
	right: 8px;
	top: 50%;
	transform: translateY(-50%);
	display: none;
	align-items: center;
	justify-content: center;
	width: 24px;
	height: 24px;
	padding: 0;
	background: transparent;
	color: var(--vscode-input-foreground);
	border: none;
	border-radius: 4px;
	cursor: pointer;
	opacity: 0.6;
	transition: opacity var(--transition), background var(--transition);

	&:hover {
		opacity: 1;
		background: var(--vscode-toolbar-hoverBackground);
	}

	&.visible {
		display: flex;
	}

	.codicon {
		font-size: 14px;
	}
}

.dropdown-toggle {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	width: 100%;
	cursor: pointer;
	user-select: none;

	&:hover .arrow {
		opacity: 1;
	}

	.arrow {
		border: 5px solid transparent;
		border-top-color: currentColor;
		border-bottom: 0;
		opacity: 0.5;
		transition: transform var(--transition-spring), opacity var(--transition);
	}
}

.action-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 10px;
	min-width: 38px;
	background: var(--vscode-input-background, var(--vscode-sideBar-background));
	color: var(--vscode-input-foreground);
	border: 1px solid var(--vscode-input-border, var(--vscode-sideBar-border, rgba(128, 128, 128, 0.35)));
	border-radius: var(--radius);
	cursor: pointer;
	transition: border-color var(--transition), box-shadow var(--transition);

	&:hover {
		border-color: var(--hover-border);
	}

	&:focus {
		border-color: var(--vscode-focusBorder);
		box-shadow: var(--focus-ring);
	}
}

#search-input,
.dropdown-toggle,
.action-btn {
	height: 38px;
	min-height: 38px;
	padding-top: 0;
	padding-bottom: 0;
	line-height: 36px;
}

.search-container {
	position: relative;
	inset: auto;
	flex-shrink: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 14px;
	background: var(--vscode-sideBar-background);
	z-index: 10;
}

.search-container::after {
	display: none;
}

.results-count {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 8px 14px;
	font-size: 11px;
	font-weight: 500;
	font-family: var(--vscode-font-family), 'Segoe UI', system-ui, sans-serif;
	color: var(--vscode-descriptionForeground);
	background: var(--vscode-sideBar-background);
	order: 10;
	user-select: none;
}

.results-count:empty {
	display: none;
}

.results-count::before {
	display: none;
}

.controls-row {
	display: flex;
	gap: 8px;
}

.dropdown-wrapper {
	flex: 1;
	position: relative;

	&.open {
		.dropdown-toggle {
			border-color: var(--vscode-focusBorder);
			box-shadow: var(--focus-ring);

			.arrow {
				transform: rotate(180deg);
			}
		}

		.dropdown-menu {
			opacity: 1;
			visibility: visible;
			transform: translateY(0);
		}
	}
}

.dropdown-menu {
	position: absolute;
	inset: calc(100% + 6px) 0 auto;
	z-index: 100;
	max-height: min(360px, calc(100vh - 120px));
	overflow: hidden;
	background: var(--vscode-dropdown-background, var(--vscode-input-background));
	border: 1px solid var(--vscode-dropdown-border, var(--vscode-focusBorder));
	border-radius: var(--radius);
	box-shadow: var(--shadow-lg);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	transition: opacity var(--transition-spring), transform var(--transition-spring), visibility var(--transition);
	padding: 0;
	display: flex;
	flex-direction: column;
}

.dropdown-search-wrapper {
	position: sticky;
	top: 0;
	z-index: 10;
	padding: 8px;
	background: var(--vscode-dropdown-background, var(--vscode-input-background));
	border-bottom: 1px solid var(--vscode-dropdown-border, var(--vscode-focusBorder));
}

#pack-search-input {
	padding: 6px 10px;
	font-size: 11px;
	height: 28px;
}

.dropdown-options {
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding: 4px;
	flex: 1;
	min-height: 0;
	overflow-y: auto;
}

.dropdown-option {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 14px;
	font-size: 13px;
	cursor: pointer;
	transition: background var(--transition);
	border-radius: 4px;

	&:hover {
		background: var(--vscode-list-hoverBackground);
	}

	&.focused {
		background: var(--vscode-list-hoverBackground);
	}

	&.selected {
		background: var(--vscode-list-activeSelectionBackground);
		color: var(--vscode-list-activeSelectionForeground);

		&::before {
			content: '\2713';
			font-family: 'Segoe UI', system-ui, sans-serif;
			font-size: 11px;
		}
	}

	.pack-count {
		margin-left: auto;
		opacity: 0.6;
		font-size: 11px;
		font-family: 'Segoe UI', system-ui, sans-serif !important;
		font-variant-ligatures: none;
		-webkit-font-smoothing: antialiased;
	}
}

.lib-tooltip,
.lib-tooltip * {
	font-family: 'Segoe UI', system-ui, sans-serif !important;
	font-variant-ligatures: none;
	font-feature-settings: "liga" 0;
}

.lib-tooltip {
	position: fixed;
	z-index: 200;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 2px;
	padding: 6px 10px;
	background: var(--vscode-editorHoverWidget-background, var(--vscode-dropdown-background));
	border: 1px solid var(--vscode-editorHoverWidget-border, var(--vscode-focusBorder));
	border-radius: 4px;
	box-shadow: var(--shadow-lg);
	font-size: 11px;
	-webkit-font-smoothing: antialiased;
	pointer-events: none;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--transition), visibility var(--transition);

	&.visible {
		opacity: 1;
		visibility: visible;
	}

	.tooltip-pack {
		opacity: 0.6;
		font-size: 10px;
		text-transform: uppercase;
		letter-spacing: 0.5px;
	}

	.tooltip-text {
		font-size: 11px;
	}
}

body.dropdown-active .icons-grid {
	pointer-events: none;
	opacity: 0.3;
	filter: blur(1px);
}

.icons-grid {
	flex: 1;
	overflow-y: scroll;
	padding: 14px;
	position: relative;
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
	align-content: start;
	gap: 6px;
	contain: layout style;
	transition: opacity var(--transition), filter var(--transition);
}

.grid-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 8px 6px;
	aspect-ratio: 1;
	text-align: center;
	border: 1px solid transparent;
	border-radius: 10px;
	cursor: pointer;
	contain: layout style;
	will-change: transform;
	transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition-spring);

	&:hover {
		background: var(--vscode-list-hoverBackground);
		border-color: var(--hover-border);
		box-shadow: var(--shadow-md);
		transform: translateY(-3px) scale(1.02);

		i,
		re-icon {
			opacity: 1;
			transform: scale(1.1);
		}

		.item-label {
			opacity: 1;
		}
	}

	&:active {
		background: var(--vscode-list-activeSelectionBackground);
		transform: translateY(-1px) scale(0.98);
	}

	i,
	re-icon {
		margin-bottom: 6px;
		font-size: 24px;
		opacity: 0.85;
		will-change: transform, opacity;
		transition: opacity var(--transition), transform var(--transition-spring);
	}

	.codicon {
		font-size: 28px;
	}

	.material-symbols-outlined {
		font-size: 28px;
	}

	.item-label {
		display: -webkit-box;
		-webkit-box-orient: vertical;
		-webkit-line-clamp: 2;
		line-clamp: 2;
		max-width: 100%;
		font-size: 10px;
		font-family: var(--vscode-font-family), 'Segoe UI', system-ui, sans-serif;
		line-height: 1.3;
		overflow: hidden;
		text-overflow: ellipsis;
		word-break: break-word;
		color: var(--vscode-foreground);
		opacity: 0.8;
		transition: opacity var(--transition);
	}
}

#loading,
.empty-state {
	font-size: 13px;
	text-align: center;
	color: var(--vscode-descriptionForeground);
}

#loading {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 16px;
	min-height: calc(100vh - 200px);
	animation: fadeIn 0.3s ease;
}

#loading::before {
	content: '';
	width: 40px;
	height: 40px;
	border: 3px solid color-mix(in srgb, var(--vscode-focusBorder) 20%, transparent);
	border-top-color: var(--vscode-focusBorder);
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
}

.empty-state {
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: calc(100vh - 180px);
	padding: 20px;
}

.empty-state.visible {
	display: flex;
}

.empty-state .codicon {
	font-size: 48px;
	margin-bottom: 16px;
	opacity: 0.3;
}

.empty-state p {
	margin: 0;
	font-size: 14px;
	opacity: 0.8;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}

	to {
		opacity: 1;
		transform: translateY(0);
	}
}