/* ==========================================================================
   WB Search Filters — frontend
   ========================================================================== */

.wbsf-filters {
	--wbsf-border: #e2e2e2;
	--wbsf-border-hover: #b5b5b5;
	--wbsf-accent: #222222;
	--wbsf-text: #333333;
	--wbsf-text-muted: #767676;
	--wbsf-radius: 6px;

	box-sizing: border-box;
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	gap: 28px 40px;
	width: 100%;
	max-width: 100%;
	margin: 0 0 32px;
	padding: 20px 24px;
	background: #fafafa;
	border: 1px solid var(--wbsf-border);
	border-radius: var(--wbsf-radius);
}

.wbsf-filters * {
	box-sizing: border-box;
}

.wbsf-filter-group {
	flex: 1 1 200px;
	max-width: 100%;
	min-width: 180px;
}

.wbsf-filter-title {
	margin: 0 0 10px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--wbsf-text);
}

/* ---------- Select ---------- */

.wbsf-select {
	width: 100%;
	max-width: 320px;
	padding: 10px 36px 10px 14px;
	font-size: 14px;
	line-height: 1.3;
	color: var(--wbsf-text);
	background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23767676'/%3E%3C/svg%3E") no-repeat right 14px center;
	appearance: none;
	-webkit-appearance: none;
	border: 1px solid var(--wbsf-border);
	border-radius: var(--wbsf-radius);
	cursor: pointer;
	transition: border-color 0.15s ease;
}

.wbsf-select:hover {
	border-color: var(--wbsf-border-hover);
}

.wbsf-select:focus-visible {
	outline: none;
	border-color: var(--wbsf-accent);
	box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08);
}

/* ---------- Checkbox list ---------- */

.wbsf-filter-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.wbsf-filter-item {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 8px;
}

.wbsf-type-checkbox .wbsf-checkbox {
	width: 17px;
	height: 17px;
	margin: 0;
	accent-color: var(--wbsf-accent);
	cursor: pointer;
}

.wbsf-type-checkbox label {
	font-size: 14px;
	color: var(--wbsf-text);
	cursor: pointer;
	user-select: none;
}

.wbsf-filter-item.is-active label {
	font-weight: 600;
	color: var(--wbsf-accent);
}

/* ---------- Swatch colore ---------- */

.wbsf-swatch-list {
	display: flex;
	flex-wrap: wrap;
	gap: 16px 20px;
	padding: 6px 4px 2px;
}

.wbsf-swatch-item {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	margin: 0;
	width: 52px;
}

.wbsf-swatch-input {
	position: absolute;
	top: 0;
	width: 40px;
	height: 40px;
	margin: 0;
	opacity: 0;
	cursor: pointer;
}

.wbsf-swatch-item label {
	position: relative;
	display: flex;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	cursor: pointer;
}

.wbsf-swatch-color {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	border: 1px solid rgba(0, 0, 0, 0.15);
	transform-origin: center;
	transition: box-shadow 0.15s ease, transform 0.15s ease;
}

/* Colore non ancora impostato in admin: pattern a righe invece che vuoto */
.wbsf-swatch-empty {
	background: repeating-linear-gradient(
		45deg,
		#e3e3e3,
		#e3e3e3 5px,
		#f6f6f6 5px,
		#f6f6f6 10px
	);
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	color: var(--wbsf-text-muted);
}

.wbsf-swatch-image {
	background-size: cover;
	background-position: center;
}

/* Zoom-in ben visibile al passaggio del mouse: l'elemento sale di livello
   (z-index) così non resta "sotto" o tagliato dai colori accanto. */
.wbsf-swatch-item:hover,
.wbsf-swatch-item:focus-within {
	z-index: 3;
}

.wbsf-swatch-item:hover .wbsf-swatch-color {
	transform: scale(1.18);
	box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
}

/* Stato selezionato: leggermente ingrandito in modo permanente, non solo
   con l'anello bianco, così si riconosce a colpo d'occhio. */
.wbsf-swatch-input:checked + label {
	z-index: 2;
}

.wbsf-swatch-input:checked + label .wbsf-swatch-color {
	transform: scale(1.1);
	box-shadow: 0 0 0 2px #fff, 0 0 0 3px var(--wbsf-accent);
}

.wbsf-swatch-input:checked:hover + label .wbsf-swatch-color,
.wbsf-swatch-item:hover .wbsf-swatch-input:checked + label .wbsf-swatch-color {
	transform: scale(1.2);
}

/* Spunta sopra lo swatch attivo */
.wbsf-swatch-input:checked + label::after {
	content: "";
	position: absolute;
	inset: 0;
	margin: auto;
	width: 10px;
	height: 6px;
	border-left: 2px solid #fff;
	border-bottom: 2px solid #fff;
	transform: rotate(-45deg) translateY(-1px);
	filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.6));
	pointer-events: none;
}

.wbsf-swatch-input:focus-visible + label {
	outline: 2px solid var(--wbsf-accent);
	outline-offset: 2px;
	border-radius: 50%;
}

.wbsf-swatch-label {
	font-size: 11px;
	line-height: 1.2;
	color: var(--wbsf-text-muted);
	text-align: center;
	max-width: 60px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.wbsf-swatch-item.is-active .wbsf-swatch-label {
	color: var(--wbsf-text);
	font-weight: 600;
}

/* ---------- Scroll orizzontale (opzionale, per tassonomie con molti termini) ---------- */

.wbsf-has-scroll .wbsf-scroll-wrapper {
	overflow-x: auto;
	overflow-y: hidden;
	-webkit-overflow-scrolling: touch;
	cursor: grab;
	user-select: none;
	/* Scrollbar nascosta: lo scroll avviene via drag col mouse o touch/wheel,
	   non tramite la slider visibile. */
	scrollbar-width: none;
	-ms-overflow-style: none;
}

.wbsf-has-scroll .wbsf-scroll-wrapper::-webkit-scrollbar {
	display: none;
}

.wbsf-has-scroll .wbsf-scroll-wrapper.is-dragging {
	cursor: grabbing;
}

.wbsf-has-scroll .wbsf-filter-list,
.wbsf-has-scroll .wbsf-swatch-list {
	flex-wrap: nowrap;
}

.wbsf-has-scroll .wbsf-filter-item {
	flex: 0 0 auto;
}

/* ---------- Multi-select (componente proprio, senza dipendenze esterne) ---------- */

.wbsf-multiselect {
	position: relative;
	width: 100%;
	max-width: 320px;
}

.wbsf-multiselect-toggle {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	width: 100%;
	padding: 10px 14px;
	font-size: 14px;
	line-height: 1.3;
	text-align: left;
	color: var(--wbsf-text);
	background: #fff;
	border: 1px solid var(--wbsf-border);
	border-radius: var(--wbsf-radius);
	cursor: pointer;
	transition: border-color 0.15s ease;
}

.wbsf-multiselect-toggle:hover,
.wbsf-multiselect-toggle:focus-visible {
	border-color: var(--wbsf-border-hover);
	outline: none;
}

.wbsf-multiselect-toggle-label {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.wbsf-multiselect-toggle-arrow {
	flex: 0 0 auto;
	width: 0;
	height: 0;
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	border-top: 6px solid var(--wbsf-text-muted);
	transition: transform 0.15s ease;
}

.wbsf-multiselect-toggle[aria-expanded="true"] .wbsf-multiselect-toggle-arrow {
	transform: rotate(180deg);
}

.wbsf-multiselect-panel {
	position: absolute;
	z-index: 20;
	top: calc(100% + 6px);
	left: 0;
	width: 100%;
	min-width: 220px;
	max-height: 320px;
	display: flex;
	flex-direction: column;
	background: #fff;
	border: 1px solid var(--wbsf-border);
	border-radius: var(--wbsf-radius);
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
	overflow: hidden;
}

.wbsf-multiselect-search {
	margin: 10px 10px 0;
	padding: 8px 10px;
	font-size: 13px;
	border: 1px solid var(--wbsf-border);
	border-radius: 4px;
}

.wbsf-multiselect-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 8px 10px;
	font-size: 12px;
	text-align: center;
}

.wbsf-multiselect-actions button {
	padding: 2px 0;
	color: var(--wbsf-text-muted);
	background: none;
	border: none;
	white-space: nowrap;
	text-decoration: underline;
	text-underline-offset: 2px;
	cursor: pointer;
	transition: color 0.15s ease;
}

.wbsf-multiselect-actions button:hover {
	color: var(--wbsf-accent);
}

.wbsf-multiselect-actions .wbsf-multiselect-sep {
	color: var(--wbsf-border);
}

.wbsf-multiselect-noresults {
	margin: 4px 10px 10px;
	padding: 10px;
	font-size: 13px;
	color: var(--wbsf-text-muted);
	text-align: center;
	background: #f7f7f7;
	border-radius: 4px;
}

.wbsf-multiselect-list {
	list-style: none;
	margin: 0;
	padding: 0 4px 10px;
	overflow-y: auto;
}

.wbsf-multiselect-item {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 7px 8px;
	border-radius: 4px;
}

.wbsf-multiselect-item:hover {
	background: #f5f5f5;
}

.wbsf-multiselect-item input {
	width: 16px;
	height: 16px;
	margin: 0;
	accent-color: var(--wbsf-accent);
	cursor: pointer;
}

.wbsf-multiselect-item label {
	flex: 1;
	font-size: 14px;
	color: var(--wbsf-text);
	cursor: pointer;
	user-select: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 767px) {
	.wbsf-filters {
		flex-direction: column;
		gap: 20px;
		padding: 16px;
	}

	/* Con flex-direction:column, flex-basis agisce sull'altezza: va azzerato
	   esplicitamente, altrimenti ogni gruppo filtro finisce alto 200px. */
	.wbsf-filter-group {
		flex: 0 1 auto;
		width: 100%;
		min-width: 0;
	}

	.wbsf-select {
		max-width: 100%;
	}

	.wbsf-multiselect {
		max-width: 100%;
	}
}