/* ============================================================
   Smart AJAX Filters – Frontend Styles
   ============================================================ */

:root {
	--saf-primary:     #2563eb;
	--saf-primary-rgb: 37,99,235;
	--saf-radius:      8px;
	--saf-bg:          #ffffff;
	--saf-border:      #e5e7eb;
	--saf-text:        #1f2937;
	--saf-muted:       #6b7280;
	--saf-star:        #f59e0b;
	--saf-shadow:      0 1px 4px rgba(0,0,0,.08);
	--saf-transition:  .18s ease;
}

/* ── Widget wrapper ─────────────────────────────────────────── */
.saf-filter-widget {
	font-family: inherit;
	font-size: 14px;
	color: var(--saf-text);
	background: var(--saf-bg);
	border: 1px solid var(--saf-border);
	border-radius: var(--saf-radius);
	box-shadow: var(--saf-shadow);
	position: relative;
	overflow: hidden;
}

.saf-filter-widget.saf-layout-vertical {
	width: 100%;
	max-width: 300px;
}

.saf-filter-widget.saf-layout-horizontal {
	max-width: 100%;
}
.saf-filter-widget.saf-layout-horizontal .saf-form {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	padding: 12px;
}
.saf-filter-widget.saf-layout-horizontal .saf-filter-section {
	flex: 1 1 180px;
	min-width: 160px;
	border-bottom: none;
	border-right: 1px solid var(--saf-border);
	padding-right: 12px;
}
.saf-filter-widget.saf-layout-horizontal .saf-filter-footer { width: 100%; }

/* ── Header ─────────────────────────────────────────────────── */
.saf-filter-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	border-bottom: 1px solid var(--saf-border);
	background: #f9fafb;
}
.saf-filter-title {
	font-weight: 600;
	font-size: 15px;
	display: flex;
	align-items: center;
	gap: 6px;
}
.saf-filter-count-badge {
	background: var(--saf-primary);
	color: #fff;
	border-radius: 999px;
	padding: 2px 8px;
	font-size: 11px;
	font-weight: 700;
}

/* ── Sections ───────────────────────────────────────────────── */
.saf-filter-section {
	border-bottom: 1px solid var(--saf-border);
}
.saf-filter-section:last-child { border-bottom: none; }

.saf-section-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 12px 16px;
	font-weight: 600;
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: .04em;
	color: var(--saf-muted);
}
.saf-section-header.saf-collapsible {
	cursor: pointer;
	user-select: none;
	transition: background var(--saf-transition);
}
.saf-section-header.saf-collapsible:hover { background: #f9fafb; }
.saf-toggle-icon {
	font-size: 10px;
	transition: transform var(--saf-transition);
}
.saf-section-header.saf-collapsed .saf-toggle-icon { transform: rotate(-90deg); }

.saf-section-body {
	padding: 4px 16px 14px;
	transition: all var(--saf-transition);
}
.saf-section-body.saf-hidden { display: none; }

/* ── Search ─────────────────────────────────────────────────── */
.saf-search-wrap {
	position: relative;
}
.saf-search-input {
	width: 100%;
	box-sizing: border-box;
	padding: 9px 36px 9px 12px;
	border: 1px solid var(--saf-border);
	border-radius: var(--saf-radius);
	font-size: 13px;
	outline: none;
	transition: border-color var(--saf-transition), box-shadow var(--saf-transition);
}
.saf-search-input:focus {
	border-color: var(--saf-primary);
	box-shadow: 0 0 0 3px rgba(var(--saf-primary-rgb),.15);
}
.saf-search-icon {
	position: absolute;
	right: 10px;
	top: 50%;
	transform: translateY(-50%);
	font-size: 14px;
	pointer-events: none;
}

/* ── Options list ───────────────────────────────────────────── */
.saf-options-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.saf-option-item label {
	display: flex;
	align-items: center;
	gap: 8px;
	cursor: pointer;
	padding: 4px 0;
	font-size: 13px;
	transition: color var(--saf-transition);
}
.saf-option-item label:hover { color: var(--saf-primary); }
.saf-option-item input[type="checkbox"],
.saf-option-item input[type="radio"] {
	accent-color: var(--saf-primary);
	width: 15px;
	height: 15px;
	cursor: pointer;
	flex-shrink: 0;
}
.saf-option-count { color: var(--saf-muted); font-size: 11px; margin-left: auto; }

/* sub-category indent */
.saf-subcategory-list {
	list-style: none;
	padding-left: 22px;
	margin: 4px 0 0;
}
.saf-subcategory-list .saf-option-item label { font-size: 12px; }

/* ── Button-style category/attribute ────────────────────────── */
.saf-style-button .saf-option-item label,
.saf-attr-style-button .saf-attr-item {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 4px 10px;
	border: 1.5px solid var(--saf-border);
	border-radius: 999px;
	cursor: pointer;
	font-size: 12px;
	transition: all var(--saf-transition);
}
.saf-style-button .saf-option-item input,
.saf-attr-style-button .saf-attr-item input { display: none; }
.saf-style-button .saf-option-item input:checked + span,
.saf-attr-style-button .saf-attr-item input:checked ~ * {
	/* handled by JS adding .is-checked */
}
.saf-style-button .saf-option-item label:has(input:checked),
.saf-attr-style-button .saf-attr-item:has(input:checked) {
	border-color: var(--saf-primary);
	background: rgba(var(--saf-primary-rgb),.08);
	color: var(--saf-primary);
}

/* ── Price slider ───────────────────────────────────────────── */
.saf-price-display {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 13px;
	font-weight: 500;
	margin-bottom: 12px;
	color: var(--saf-text);
}
.saf-range-track {
	position: relative;
	height: 6px;
	background: #e5e7eb;
	border-radius: 3px;
	margin: 8px 0 16px;
}
.saf-range-fill {
	position: absolute;
	height: 100%;
	background: var(--saf-primary);
	border-radius: 3px;
	top: 0;
	left: 0;
	right: 0;
	pointer-events: none;
}
.saf-range {
	position: absolute;
	width: 100%;
	top: -5px;
	background: transparent;
	-webkit-appearance: none;
	appearance: none;
	pointer-events: none;
}
.saf-range::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: var(--saf-primary);
	border: 2px solid #fff;
	box-shadow: 0 1px 4px rgba(0,0,0,.2);
	cursor: pointer;
	pointer-events: all;
	transition: transform .1s;
}
.saf-range::-webkit-slider-thumb:hover { transform: scale(1.15); }
.saf-range::-moz-range-thumb {
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: var(--saf-primary);
	border: 2px solid #fff;
	box-shadow: 0 1px 4px rgba(0,0,0,.2);
	cursor: pointer;
}
.saf-price-inputs {
	display: flex;
	align-items: center;
	gap: 8px;
}
.saf-price-input {
	width: 80px;
	padding: 6px 8px;
	border: 1px solid var(--saf-border);
	border-radius: var(--saf-radius);
	font-size: 13px;
	outline: none;
}
.saf-price-input:focus { border-color: var(--saf-primary); }

/* ── Rating stars ───────────────────────────────────────────── */
.saf-rating-list { gap: 6px; }
.saf-stars-inline { display: flex; gap: 1px; }
.saf-star { color: var(--saf-star); font-size: 15px; }
.saf-star.empty { color: #d1d5db; }
.saf-star.half { color: var(--saf-star); opacity: .5; }

/* ── Tag cloud ──────────────────────────────────────────────── */
.saf-tag-cloud {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}
.saf-tag-btn {
	display: inline-flex;
	cursor: pointer;
}
.saf-tag-btn input { display: none; }
.saf-tag-btn span {
	display: inline-block;
	padding: 4px 10px;
	border: 1.5px solid var(--saf-border);
	border-radius: 999px;
	font-size: 12px;
	transition: all var(--saf-transition);
}
.saf-tag-btn input:checked + span,
.saf-tag-btn:has(input:checked) span {
	border-color: var(--saf-primary);
	background: var(--saf-primary);
	color: #fff;
}
.saf-tag-btn:hover span { border-color: var(--saf-primary); }

/* ── Attributes ─────────────────────────────────────────────── */
.saf-attribute-group { margin-bottom: 10px; }
.saf-attr-label { margin: 0 0 6px; font-weight: 600; font-size: 12px; color: var(--saf-muted); }
.saf-attr-options {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}
.saf-attr-item {
	display: inline-flex;
	align-items: center;
	cursor: pointer;
}
.saf-attr-item input { display: none; }
.saf-attr-label-text {
	padding: 4px 10px;
	border: 1.5px solid var(--saf-border);
	border-radius: var(--saf-radius);
	font-size: 12px;
	transition: all var(--saf-transition);
}
.saf-attr-item:has(input:checked) .saf-attr-label-text {
	border-color: var(--saf-primary);
	background: rgba(var(--saf-primary-rgb),.1);
	color: var(--saf-primary);
}

/* color swatches */
.saf-color-swatch {
	display: block;
	width: 24px;
	height: 24px;
	border-radius: 50%;
	border: 2px solid transparent;
	box-shadow: 0 0 0 1px var(--saf-border);
	transition: box-shadow var(--saf-transition);
}
.saf-attr-item:has(input:checked) .saf-color-swatch {
	box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--saf-primary);
}

/* ── On Sale toggle ─────────────────────────────────────────── */
.saf-toggle-switch {
	display: flex;
	align-items: center;
	gap: 10px;
	cursor: pointer;
}
.saf-toggle-slider {
	position: relative;
	display: inline-block;
	width: 38px;
	height: 22px;
	background: #d1d5db;
	border-radius: 999px;
	transition: background var(--saf-transition);
	flex-shrink: 0;
}
.saf-toggle-slider::before {
	content: '';
	position: absolute;
	top: 3px;
	left: 3px;
	width: 16px;
	height: 16px;
	background: #fff;
	border-radius: 50%;
	transition: transform var(--saf-transition);
	box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.saf-toggle-switch input[type="checkbox"] { display: none; }
.saf-toggle-switch input:checked ~ .saf-toggle-slider { background: var(--saf-primary); }
.saf-toggle-switch input:checked ~ .saf-toggle-slider::before { transform: translateX(16px); }
.saf-toggle-text { font-size: 13px; font-weight: 600; }

/* ── Sort select ────────────────────────────────────────────── */
.saf-sort-select {
	width: 100%;
	padding: 8px 10px;
	border: 1px solid var(--saf-border);
	border-radius: var(--saf-radius);
	font-size: 13px;
	background: #fff;
	cursor: pointer;
	outline: none;
	transition: border-color var(--saf-transition);
}
.saf-sort-select:focus { border-color: var(--saf-primary); }

/* ── Active chips ───────────────────────────────────────────── */
.saf-active-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding: 8px 14px;
	min-height: 0;
}
.saf-chip {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	background: rgba(var(--saf-primary-rgb),.1);
	color: var(--saf-primary);
	border-radius: 999px;
	padding: 3px 10px 3px 8px;
	font-size: 12px;
	font-weight: 500;
}
.saf-chip-remove {
	cursor: pointer;
	font-size: 14px;
	line-height: 1;
	opacity: .7;
	transition: opacity var(--saf-transition);
}
.saf-chip-remove:hover { opacity: 1; }

/* ── Reset button ───────────────────────────────────────────── */
.saf-filter-footer {
	padding: 14px 16px;
	border-top: 1px solid var(--saf-border);
	background: #f9fafb;
}
.saf-reset-btn, .saf-reset-inline {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: transparent;
	border: 1.5px solid #dc2626;
	color: #dc2626;
	border-radius: var(--saf-radius);
	padding: 8px 16px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	transition: all var(--saf-transition);
	width: 100%;
	justify-content: center;
}
.saf-reset-btn:hover, .saf-reset-inline:hover {
	background: #dc2626;
	color: #fff;
}

/* ── Loader overlay ─────────────────────────────────────────── */
.saf-loader-overlay {
	position: absolute;
	inset: 0;
	background: rgba(255,255,255,.7);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 10;
	backdrop-filter: blur(2px);
	border-radius: var(--saf-radius);
}
@keyframes saf-spin { to { transform: rotate(360deg); } }
.saf-spinner {
	width: 28px;
	height: 28px;
	border: 3px solid rgba(var(--saf-primary-rgb),.2);
	border-top-color: var(--saf-primary);
	border-radius: 50%;
	animation: saf-spin .7s linear infinite;
}

/* ── Product grid overlay during load ───────────────────────── */
.saf-products-loading {
	opacity: .5;
	pointer-events: none;
	transition: opacity .25s;
}
.saf-products-overlay {
	position: relative;
}
.saf-products-overlay::after {
	content: '';
	position: absolute;
	inset: 0;
	background: rgba(255,255,255,.6);
	border-radius: var(--saf-radius);
	z-index: 5;
}

/* ── No results ─────────────────────────────────────────────── */
.saf-no-results {
	grid-column: 1 / -1;
	text-align: center;
	padding: 48px 20px;
}
.saf-no-results-icon { font-size: 48px; display: block; margin-bottom: 12px; }

/* ── Product cards (when rendered by AJAX) ──────────────────── */
.saf-product-card {
	background: var(--saf-bg);
	border: 1px solid var(--saf-border);
	border-radius: var(--saf-radius);
	overflow: hidden;
	transition: box-shadow .2s, transform .2s;
}
.saf-product-card:hover {
	box-shadow: 0 4px 20px rgba(0,0,0,.1);
	transform: translateY(-2px);
}
.saf-card-link { text-decoration: none; color: inherit; display: block; }
.saf-card-image { position: relative; aspect-ratio: 1; overflow: hidden; background: #f9fafb; }
.saf-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.saf-product-card:hover .saf-card-image img { transform: scale(1.04); }
.saf-badge {
	position: absolute;
	top: 8px;
	left: 8px;
	padding: 3px 8px;
	border-radius: 4px;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
}
.saf-badge-sale { background: #ef4444; color: #fff; }
.saf-badge-oos  { background: #6b7280; color: #fff; }
.saf-card-body { padding: 12px; }
.saf-card-title {
	font-size: 14px;
	font-weight: 600;
	margin: 0 0 6px;
	line-height: 1.3;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.saf-card-rating { display: flex; gap: 1px; margin-bottom: 6px; }
.saf-card-price { font-weight: 700; font-size: 15px; color: var(--saf-primary); }
.saf-card-footer { padding: 0 12px 12px; }

/* ── Pagination ─────────────────────────────────────────────── */
.saf-pagination-wrap ul.page-numbers {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	list-style: none;
	padding: 16px 0 0;
	margin: 0;
	justify-content: center;
}
.saf-pagination-wrap .page-numbers {
	padding: 6px 12px;
	border: 1px solid var(--saf-border);
	border-radius: var(--saf-radius);
	font-size: 13px;
	cursor: pointer;
	text-decoration: none;
	color: var(--saf-text);
	transition: all var(--saf-transition);
}
.saf-pagination-wrap .page-numbers.current,
.saf-pagination-wrap .page-numbers:hover {
	background: var(--saf-primary);
	border-color: var(--saf-primary);
	color: #fff;
}

/* ── Result count ───────────────────────────────────────────── */
.saf-result-count {
	font-size: 13px;
	color: var(--saf-muted);
	padding: 4px 0 8px;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media ( max-width: 768px ) {
	.saf-filter-widget.saf-layout-vertical { max-width: 100%; }
	.saf-filter-widget.saf-layout-horizontal .saf-form {
		flex-direction: column;
	}
	.saf-filter-widget.saf-layout-horizontal .saf-filter-section {
		border-right: none;
		border-bottom: 1px solid var(--saf-border);
	}
}