/* ==========================================================================
   STW Custom Filter Widgets
   Styles for: STW_Filter_Categories, STW_Filter_Attributes, STW_Filter_Active
   ========================================================================== */

/* ── 1. Shared ───────────────────────────────────────────────────────────── */

.stw-filter-categories,
.stw-filter-attr-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

/* ── 2. Category Filter ──────────────────────────────────────────────────── */

.stw-filter-cat-item {
	border-block-end: 1px solid var(--color-border);
	position: relative;
}

.stw-filter-cat-item:last-child {
	border-block-end: none;
}

.stw-filter-categories--grid-2 {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.625rem;
}

.stw-filter-categories--grid-2 .stw-filter-cat-item {
	border-block-end: none;
	padding: unset;
	margin: unset;
}

.stw-filter-categories--grid-2 .stw-filter-cat-link {
	position: relative;
	align-items: flex-start;
	flex-wrap: wrap;
	gap: 0.5rem;
	min-block-size: 100%;
	padding: 0.6875rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-base);
	background: var(--color-bg);
	box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
	transition: border-color var(--transition-fast), background-color var(--transition-fast),
	            box-shadow var(--transition-fast), transform var(--transition-fast),
	            color var(--transition-fast);
}

.stw-filter-categories--grid-2 .stw-filter-cat-link:hover,
.stw-filter-categories--grid-2 .stw-filter-cat-item.is-active .stw-filter-cat-link {
	border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
	background: color-mix(in srgb, var(--color-primary) 6%, var(--color-bg));
	box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.stw-filter-categories--grid-2 .stw-filter-cat-link:hover {
	transform: translateY(-1px);
}

.stw-filter-categories--grid-2 .stw-filter-cat-thumb {
	display: block;
	inline-size: 100%;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	border-radius: var(--radius-corner);
}

.stw-filter-categories--grid-2 .stw-filter-cat-thumb img {
	inline-size: 100%;
	block-size: 100%;
	border: none;
	border-radius: 0;
}

.stw-filter-categories--grid-2 .stw-filter-cat-name {
	min-inline-size: 0;
	font-size: 0.8125rem;
	font-weight: 600;
	line-height: 1.25;
	word-break: break-word;
}

.stw-filter-categories--grid-2 .stw-filter-cat-count {
	margin-inline-start: auto;
	font-size: 0.6875rem;
	line-height: 1.2;
	padding: 0.125rem 0.375rem;
}

.stw-filter-categories--grid-2:not(.has-counts) .stw-filter-cat-name,
.stw-filter-categories--grid-2 .stw-filter-cat-thumb + .stw-filter-cat-name {
	flex-basis: 100%;
}

.stw-filter-cat-link {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	padding: 0.5rem 0;
	color: var(--color-text);
	text-decoration: none;
	font-size: 0.9rem;
	transition: color var(--transition-fast);
}

.stw-filter-cat-link:hover {
	color: var(--color-primary);
}

.stw-filter-cat-item.is-active .stw-filter-cat-link {
	color: var(--color-primary);
	font-weight: 600;
	padding-inline-end: 1.75rem;
}

.stw-filter-cat-clear {
	position: absolute;
	inset-inline-end: 0;
	inset-block-start: 50%;
	transform: translateY(-50%);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	inline-size: 1.125rem;
	block-size: 1.125rem;
	border-radius: var(--radius-corner);
	border: 1px solid color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
	background: color-mix(in srgb, var(--color-primary) 6%, var(--color-bg));
	color: var(--color-primary);
	font-size: 0.875rem;
	font-weight: 700;
	line-height: 1;
	text-decoration: none;
	transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.stw-filter-cat-clear:hover {
	background: #dc2626;
	border-color: #dc2626;
	color: #fff;
}

.stw-filter-categories--grid-2 .stw-filter-cat-item.is-active .stw-filter-cat-link {
	padding-inline-end: 0.6875rem;
}

.stw-filter-categories--grid-2 .stw-filter-cat-clear {
	inset-inline-end: 0.4375rem;
	inset-block-start: 0.4375rem;
	transform: none;
	background: #fff;
}

.stw-filter-cat-thumb img {
	inline-size: 36px;
	block-size: 36px;
	object-fit: cover;
	border-radius: var(--radius-base);
	border: 1px solid var(--color-border);
	flex-shrink: 0;
	display: block;
}

.stw-filter-cat-name {
	flex: 1;
	line-height: 1.3;
}

.stw-filter-cat-count {
	font-size: 0.725rem;
	color: var(--color-text-muted);
	background: var(--color-border);
	border-radius: var(--radius-corner);
	padding: 0.1rem 0.5rem;
	flex-shrink: 0;
	min-inline-size: 22px;
	text-align: center;
}

/* "Back to parent" link */
.stw-filter-back-link {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	text-decoration: none;
	margin-block-end: 0.75rem;
	transition: color var(--transition-fast);
}

.stw-filter-back-link:hover {
	color: var(--color-primary);
}

.stw-filter-back-link .dashicons {
	font-size: 0.875rem;
	inline-size: 0.875rem;
	block-size: 0.875rem;
}

.stw-filter-cat-search-wrap {
	margin-block-end: 0.625rem;
}

.stw-filter-cat-search {
	inline-size: 100%;
	min-block-size: 2.25rem;
	padding-block: 0.5rem;
	padding-inline: 0.75rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-input);
	background: var(--color-bg);
	color: var(--color-text);
	font-size: 0.875rem;
	transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.stw-filter-cat-search:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.stw-filter-categories.is-collapsible.is-collapsed .stw-filter-cat-item.is-overflow {
	display: none;
}

.stw-filter-categories .stw-filter-cat-item.is-search-hidden {
	display: none;
}

.stw-filter-cat-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-block-start: 0.625rem;
	padding-block: 0.4rem;
	padding-inline: 0.7rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-button);
	background: var(--color-bg);
	color: var(--color-heading);
	font-size: 0.8125rem;
	font-weight: 600;
	cursor: pointer;
	transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.stw-filter-cat-toggle:hover {
	border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
	background: color-mix(in srgb, var(--color-primary) 6%, var(--color-bg));
	color: var(--color-primary);
}

.stw-filter-categories--grid-2 + .stw-filter-cat-toggle {
	inline-size: 100%;
}

/* ── 3. Attribute Filter ─────────────────────────────────────────────────── */

.stw-filter-attrs {
	/* container */
}

.stw-filter-attrs-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-block-end: 0.625rem;
}

.stw-filter-attrs-logic {
	font-size: 0.75rem;
	color: var(--color-text-muted);
	font-style: italic;
}

.stw-filter-clear-one {
	font-size: 0.75rem;
	color: var(--color-text-muted);
	text-decoration: none;
	transition: color var(--transition-fast);
}

.stw-filter-clear-one:hover {
	color: #dc2626;
}

.stw-filter-attr-list {
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}

.stw-filter-attr-item {
	/* individual item */
	padding: unset;
	margin: unset;
}

/* Checkbox display */
.stw-filter-attr-label {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	cursor: pointer;
	font-size: 0.9rem;
	color: var(--color-text);
	text-decoration: none;
	border-radius: var(--radius-base);
	transition: color var(--transition-fast);
	user-select: none;
}

.stw-filter-attr-label:hover {
	color: var(--color-primary);
}

.stw-filter-attr-item.is-active .stw-filter-attr-label {
	color: var(--color-primary);
	font-weight: 600;
}

.stw-filter-checkbox {
	inline-size: 16px;
	block-size: 16px;
	border: 1.5px solid var(--color-border);
	border-radius: var(--radius-corner);
	background: var(--color-bg);
	accent-color: var(--color-primary);
	cursor: pointer;
	flex-shrink: 0;
}

span.stw-filter-checkbox {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	position: relative;
}

.stw-filter-attr-item.is-active span.stw-filter-checkbox {
	border-color: var(--color-primary);
	background: var(--color-primary);
}

.stw-filter-attr-item.is-active span.stw-filter-checkbox::after {
	content: "";
	width: 7px; /* intentionally physical */
	height: 4px; /* intentionally physical */
	border-left: 2px solid #fff; /* intentionally physical — decorative checkmark shape */
	border-bottom: 2px solid #fff; /* intentionally physical — decorative checkmark shape */
	transform: rotate(-45deg) translate(1px, -1px);
}

/* Link display */
.stw-filter-attr-link {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.3125rem 0;
	color: var(--color-text);
	text-decoration: none;
	font-size: 0.9rem;
	border-block-end: 1px solid var(--color-border);
	transition: color var(--transition-fast);
}

.stw-filter-attr-link:hover {
	color: var(--color-primary);
}

.stw-filter-attr-item:last-child .stw-filter-attr-link {
	border-block-end: none;
}

.stw-filter-attr-item.is-active .stw-filter-attr-link {
	color: var(--color-primary);
	font-weight: 600;
}

.stw-filter-attr-name {
	flex: 1;
}

.stw-filter-attr-count {
	font-size: 0.725rem;
	color: var(--color-text-muted);
	background: var(--color-border);
	border-radius: var(--radius-corner);
	padding: 0.1rem 0.4rem;
	flex-shrink: 0;
	min-inline-size: 20px;
	text-align: center;
}

.stw-filter-attr-list--swatches .stw-filter-attr-label,
.stw-filter-attr-list--swatches .stw-filter-attr-link {
	gap: 0.625rem;
}

.stw-filter-color-swatch {
	display: inline-block;
	inline-size: 16px;
	block-size: 16px;
	border: 1px solid rgba(15, 23, 42, 0.22);
	border-radius: var(--radius-corner);
	background: var(--stw-swatch-color, currentColor);
	box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.72);
	flex-shrink: 0;
}

.stw-filter-attr-list--swatches-square .stw-filter-color-swatch {
	border-radius: var(--radius-corner);
}

.stw-filter-attr-list--swatches-sm .stw-filter-color-swatch {
	inline-size: 13px;
	block-size: 13px;
}

.stw-filter-attr-list--swatches-lg .stw-filter-color-swatch {
	inline-size: 22px;
	block-size: 22px;
}

.stw-filter-attr-list--swatch-only {
	flex-direction: row;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.stw-filter-attr-list--swatch-only .stw-filter-attr-label,
.stw-filter-attr-list--swatch-only .stw-filter-attr-link {
	justify-content: center;
	padding: 0;
	inline-size: 34px;
	block-size: 34px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-base);
}

.stw-filter-attr-list--swatch-only .stw-filter-checkbox,
.stw-filter-attr-list--swatch-only .stw-filter-attr-name,
.stw-filter-attr-list--swatch-only .stw-filter-attr-count {
	position: absolute;
	inline-size: 1px;
	block-size: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.stw-filter-attr-list--swatch-only .stw-filter-attr-item.is-active .stw-filter-attr-label,
.stw-filter-attr-list--swatch-only .stw-filter-attr-item.is-active .stw-filter-attr-link {
	border-color: var(--color-primary);
	box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

/* ── 4. Active Filters ───────────────────────────────────────────────────── */

.stw-active-filters {
	display: flex;
	flex-direction: column;
	gap: 0.625rem;
}

.stw-active-filter-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.375rem;
	list-style: none;
	padding: 0;
	margin: 0;
}

.stw-active-filter-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.3125rem;
	background: color-mix(in srgb, var(--color-primary) 10%, transparent);
	border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
	color: var(--color-primary);
	border-radius: var(--radius-corner);
	padding: 0.2rem 0.375rem 0.2rem 0.625rem !important;
	font-size: 0.8125rem;
	font-weight: 500;
	line-height: 1.3;
}

.stw-active-filter-label {
	/* chip text */
}

.stw-active-filter-remove {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	inline-size: 18px;
	block-size: 18px;
	border-radius: var(--radius-corner);
	background: color-mix(in srgb, var(--color-primary) 20%, transparent);
	color: var(--color-primary);
	text-decoration: none;
	font-size: 0.875rem;
	line-height: 1;
	flex-shrink: 0;
	transition: background-color var(--transition-fast), color var(--transition-fast);
}

.stw-active-filter-remove:hover {
	background: #dc2626;
	color: #fff;
}

.stw-clear-all {
	display: inline-flex;
	align-items: center;
	gap: 0.3125rem;
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	text-decoration: none;
	transition: color var(--transition-fast);
	padding: 0.1875rem 0;
}

.stw-clear-all:hover {
	color: #dc2626;
}

.stw-clear-all .dashicons {
	font-size: 0.9375rem;
	inline-size: 0.9375rem;
	block-size: 0.9375rem;
}

/* ── 5. AJAX Loading States ──────────────────────────────────────────────── */

.stw-filtering .products {
	opacity: 0.5;
	pointer-events: none;
	transition: opacity 0.2s ease;
}

.stw-filtering .woocommerce-result-count {
	opacity: 0.5;
	transition: opacity 0.2s ease;
}

/* Spinner in shop header during AJAX */
.stw-filter-spinner {
	display: none;
	width: 16px; /* intentionally physical — spinner element */
	height: 16px; /* intentionally physical — spinner element */
	border: 2px solid var(--color-border); /* intentionally physical — spinner visual */
	border-top-color: var(--color-primary); /* intentionally physical — spinner visual */
	border-radius: var(--radius-corner);
	animation: stw-spin 0.6s linear infinite;
	flex-shrink: 0;
}

.stw-filtering .stw-filter-spinner {
	display: inline-block;
}

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

/* ── 6. Mobile Filter Toggle ─────────────────────────────────────────────── */

.stw-filter-toggle-btn {
	display: none;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5625rem 1rem;
	font-family: var(--font-body);
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--color-primary);
	background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg));
	border: 1.5px solid color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
	border-radius: var(--radius-button);
	cursor: pointer;
	transition: background-color var(--transition-fast);
}

.stw-filter-toggle-btn:hover {
	background: color-mix(in srgb, var(--color-primary) 15%, var(--color-bg));
}

.stw-filter-toggle-btn .dashicons {
	font-size: 1rem;
	inline-size: 1rem;
	block-size: 1rem;
}

/* ── 7. Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 768px) {
	.stw-filter-toggle-btn {
		display: inline-flex;
	}

	.stw-shop-layout-full-width-sidebar .woocommerce-sidebar,
	.stw-shop-layout-sidebar-left .woocommerce-sidebar,
	.stw-shop-layout-sidebar-right .woocommerce-sidebar {
		display: none;
	}

	.stw-shop-mobile-filters-disabled .woocommerce-sidebar {
		display: none !important;
	}

	.stw-shop-layout-full-width-sidebar .woocommerce-sidebar.is-open,
	.stw-shop-layout-sidebar-left .woocommerce-sidebar.is-open,
	.stw-shop-layout-sidebar-right .woocommerce-sidebar.is-open {
		display: block;
	}

	.stw-shop-mobile-filters-disabled .woocommerce-sidebar.is-open {
		display: none !important;
	}

	.stw-shop-layout-full-width-sidebar #primary.content-area,
	.stw-shop-layout-sidebar-left #primary.content-area,
	.stw-shop-layout-sidebar-right #primary.content-area {
		grid-template-columns: 1fr !important;
	}
}