/**
 * Shop page — Layout de filtros + grid de productos.
 *
 * Solo se carga en páginas de tienda/categoría.
 *
 * @package Reusa_Theme
 */

/* =============================================
   1. LAYOUT — sidebar + resultados
   ============================================= */

.shop-layout {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-lg);
}

@media (min-width: 960px) {
	.shop-layout {
		grid-template-columns: 260px 1fr;
		gap: var(--space-xl);
	}
}

/* =============================================
   2. SIDEBAR FILTROS
   ============================================= */

.shop-filters {
	position: relative;
}

/* Toggle mobile */
.shop-filters__toggle {
	display: flex;
	align-items: center;
	gap: 8px;
	width: 100%;
	padding: 12px 16px;
	background: var(--color-surface);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	color: var(--color-text);
	cursor: pointer;
	transition: border-color var(--transition-fast);
}

.shop-filters__toggle:hover {
	border-color: var(--color-primary);
}

.shop-filters__count {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 20px;
	height: 20px;
	padding: 0 6px;
	background: var(--color-primary);
	color: var(--color-surface);
	border-radius: 100px;
	font-size: 11px;
	font-weight: var(--font-weight-semibold);
	line-height: 1;
}

@media (min-width: 960px) {
	.shop-filters__toggle {
		display: none;
	}
}

/* Panel */
.shop-filters__panel {
	display: none;
	flex-direction: column;
	gap: var(--space-xs);
	padding-top: var(--space-md);
}

.shop-filters__panel--open {
	display: flex;
}

@media (min-width: 960px) {
	.shop-filters__panel {
		display: flex;
		padding-top: 0;
		position: sticky;
		top: calc(var(--header-height, 80px) + var(--space-md));
		max-height: calc(100vh - var(--header-height, 80px) - var(--space-xl));
		overflow-y: auto;
		scrollbar-width: thin;
		scrollbar-color: var(--color-gray-200) transparent;
	}
}

/* =============================================
   3. FILTER GROUPS
   ============================================= */

.filter-group {
	border-bottom: 1px solid var(--border-color);
	padding-bottom: var(--space-sm);
}

.filter-group:last-of-type {
	border-bottom: none;
}

.filter-group__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: var(--space-sm) 0;
	background: none;
	border: none;
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-semibold);
	color: var(--color-text);
	cursor: pointer;
}

.filter-group__header svg {
	transition: transform var(--transition-fast);
	color: var(--color-text-muted);
}

.filter-group__header[aria-expanded="false"] svg {
	transform: rotate(-90deg);
}

.filter-group__body {
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding-bottom: var(--space-xs);
	max-height: 240px;
	overflow-y: auto;
}

/* =============================================
   4. FILTER OPTIONS (checkboxes)
   ============================================= */

.filter-option {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 6px 8px;
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: background var(--transition-fast);
}

.filter-option:hover {
	background: var(--color-gray-100);
}

/* Hide native checkbox */
.filter-option__input {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

/* Custom checkbox */
.filter-option__check {
	flex-shrink: 0;
	width: 18px;
	height: 18px;
	border: 2px solid var(--color-gray-300);
	border-radius: 4px;
	transition:
		background var(--transition-fast),
		border-color var(--transition-fast);
	position: relative;
}

.filter-option__input:checked + .filter-option__check {
	background: var(--color-primary);
	border-color: var(--color-primary);
}

.filter-option__input:checked + .filter-option__check::after {
	content: '';
	position: absolute;
	top: 2px;
	left: 5px;
	width: 5px;
	height: 9px;
	border: solid var(--color-surface);
	border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}

.filter-option__input:focus-visible + .filter-option__check {
	box-shadow: 0 0 0 2px var(--color-primary-soft);
}

.filter-option__label {
	flex: 1;
	font-size: var(--font-size-sm);
	color: var(--color-text);
}

.filter-option__count {
	font-size: 0.75rem;
	color: var(--color-text-muted);
	min-width: 20px;
	text-align: right;
}

/* =============================================
   5. FILTER SEARCH
   ============================================= */

.filter-search {
	position: relative;
}

.filter-search__icon {
	position: absolute;
	left: 12px;
	top: 50%;
	transform: translateY(-50%);
	pointer-events: none;
	color: var(--color-text-muted);
	transition: color var(--transition-fast);
}

.filter-search:focus-within .filter-search__icon {
	color: var(--color-primary);
}

.filter-search__input {
	width: 100%;
	padding: 10px 12px 10px 38px;
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	font-size: var(--font-size-sm);
	background: var(--color-surface);
	transition:
		border-color var(--transition-fast),
		box-shadow var(--transition-fast);
}

.filter-search__input:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.filter-search__input::placeholder {
	color: var(--color-text-muted);
}

/* =============================================
   6. FILTER ACTIONS
   ============================================= */

.filter-actions {
	padding-top: var(--space-sm);
}

/* =============================================
   7. SHOP TOOLBAR
   ============================================= */

.shop-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
	margin-bottom: var(--space-md);
}

.shop-toolbar__count {
	font-size: var(--font-size-sm);
	color: var(--color-text-muted);
	margin: 0;
}

.shop-toolbar__sort-wrap {
	position: relative;
	display: inline-flex;
	align-items: center;
}

.shop-toolbar__sort-wrap::after {
	content: "▾";
	position: absolute;
	right: 12px;
	top: 50%;
	transform: translateY(-50%);
	pointer-events: none;
	font-size: 14px;
	color: var(--color-text-muted);
	transition: color var(--transition-fast);
}

.shop-toolbar__sort-wrap:hover::after {
	color: var(--color-primary);
}

.shop-toolbar__sort {
	appearance: none;
	-webkit-appearance: none;
	padding: 10px 40px 10px 14px;
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	font-size: var(--font-size-sm);
	background: var(--color-surface);
	color: var(--color-text);
	cursor: pointer;
	transition:
		border-color var(--transition-fast),
		box-shadow var(--transition-fast);
}

.shop-toolbar__sort:hover {
	border-color: var(--color-gray-400);
}

.shop-toolbar__sort:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-soft);
}

/* =============================================
   8. ACTIVE FILTER TAGS
   ============================================= */

.shop-active-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: var(--space-md);
}

.active-filter-tag {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 4px 10px;
	background: var(--color-primary-soft);
	color: var(--color-primary);
	border: none;
	border-radius: 100px;
	font-size: 0.75rem;
	font-weight: var(--font-weight-medium);
	cursor: pointer;
	transition: background var(--transition-fast);
}

.active-filter-tag:hover {
	background: var(--color-primary);
	color: var(--color-surface);
}

.active-filter-tag svg {
	flex-shrink: 0;
}

/* =============================================
   9. SHOP GRID
   ============================================= */

.shop-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space-md);
	transition: opacity 0.2s ease;
}

@media (min-width: 600px) {
	.shop-grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (min-width: 1200px) {
	.shop-grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

/* Empty state */
.shop-empty {
	grid-column: 1 / -1;
	text-align: center;
	padding: var(--space-2xl) var(--space-lg);
	color: var(--color-text-muted);
}

.shop-empty p {
	margin-bottom: var(--space-md);
	font-size: var(--font-size-lg);
}

/* =============================================
   10. LOADER
   ============================================= */

.shop-loader {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-lg) 0;
}

.shop-loader__spinner {
	width: 32px;
	height: 32px;
	border: 3px solid var(--border-color);
	border-top-color: var(--color-primary);
	border-radius: 50%;
	animation: shopSpin 0.6s linear infinite;
}

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

/* =============================================
   11. PAGINATION
   ============================================= */

.shop-pagination {
	margin-top: var(--space-xl);
}

.shop-pagination ul {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-xs);
	justify-content: center;
	list-style: none;
	padding: 0;
	margin: 0;
}

.shop-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2.5em;
	padding: 0.5em 0.8em;
	font-size: var(--font-size-sm);
	border-radius: var(--radius-md);
	border: 1px solid var(--border-color);
	color: var(--color-text);
	background: var(--color-surface);
	text-decoration: none;
	cursor: pointer;
	transition:
		background var(--transition-fast),
		border-color var(--transition-fast),
		color var(--transition-fast);
}

.shop-pagination .page-numbers:hover {
	background: var(--color-primary-soft);
	border-color: var(--color-primary);
	color: var(--color-primary);
}

.shop-pagination .page-numbers.current {
	background: var(--color-primary);
	border-color: var(--color-primary);
	color: var(--color-surface);
	pointer-events: none;
}

/* =============================================
   12. MOBILE OVERLAY
   ============================================= */

@media (max-width: 959px) {
	.filters-open {
		overflow: hidden;
	}

	.shop-filters__panel--open {
		position: fixed;
		inset: 0;
		z-index: 999;
		background: var(--color-surface);
		padding: var(--space-lg);
		overflow-y: auto;
		display: flex;
	}
}

/* =============================================
   13. REDUCED MOTION
   ============================================= */

@media (prefers-reduced-motion: reduce) {
	.shop-loader__spinner {
		animation-duration: 1.5s;
	}

	.shop-grid {
		transition: none;
	}
}