/*
 * Katalog-Filter — Desktop-Sidebar + Mobile Off-Canvas (Project_docs/open-questions.md #43)
 * Nur im Shop-Kontext geladen (siehe functions.php: zs_is_shop_filter_context()).
 */

:root {
	--zs-color-primary: #1F4D3A;
	--zs-color-primary-tint: #E4ECE8;
	--zs-color-ink: #14181A;
	--zs-color-accent: #B8862E;
	--zs-color-bg: #F7F5F0;
	--zs-color-surface: #FFFFFF;
	--zs-color-border: #D8D3C8;
	--zs-color-text-secondary: #6B675C;
}

.zs-shop-toolbar {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.75em;
	margin-bottom: 1em;
}

.zs-filter-toggle {
	display: none;
	align-items: center;
	gap: 0.5em;
	background: var(--zs-color-surface);
	border: 1px solid var(--zs-color-border);
	color: var(--zs-color-ink);
	border-radius: 4px;
	padding: 0.5em 1em;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.zs-filter-toggle:hover,
.zs-filter-toggle:focus-visible {
	border-color: var(--zs-color-primary);
	outline-offset: 2px;
}

.zs-filter-count {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 1.4em;
	height: 1.4em;
	padding: 0 0.35em;
	border-radius: 999px;
	background: var(--zs-color-accent);
	color: var(--zs-color-ink);
	font-size: 0.75em;
	font-weight: 700;
}

.zs-filter-count[hidden] {
	display: none;
}

.zs-filter-panel-head,
.zs-filter-panel-foot {
	display: none;
}

.zs-filter-close {
	background: none;
	border: none;
	font-size: 1.5em;
	line-height: 1;
	color: var(--zs-color-ink);
	cursor: pointer;
	padding: 0.2em 0.5em;
}

.zs-filter-overlay {
	display: none;
}

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

	.zs-filter-panel-head {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 1em;
		border-bottom: 1px solid var(--zs-color-border);
		background: var(--zs-color-surface);
	}

	.zs-filter-panel-title {
		font-weight: 600;
		color: var(--zs-color-ink);
	}

	.zs-filter-panel-foot {
		display: block;
		position: sticky;
		bottom: 0;
		padding: 1em;
		background: var(--zs-color-surface);
		border-top: 1px solid var(--zs-color-border);
	}

	.zs-filter-apply {
		display: block;
		width: 100%;
		background: var(--zs-color-primary);
		color: #fff;
		border: none;
		border-radius: 4px;
		padding: 0.85em;
		font: inherit;
		font-weight: 600;
		cursor: pointer;
	}

	#secondary {
		position: fixed;
		top: 0;
		left: 0;
		z-index: 1000;
		width: 85vw;
		max-width: 360px;
		height: 100vh;
		height: 100dvh;
		margin: 0;
		background: var(--zs-color-bg);
		overflow-y: auto;
		transform: translateX(-100%);
		transition: transform 0.2s ease;
		box-shadow: 2px 0 12px rgba(20, 24, 26, 0.2);
	}

	#secondary.zs-open {
		transform: translateX(0);
	}

	#secondary .sidebar-main {
		padding: 0 1em 1em;
	}

	.zs-filter-overlay {
		display: block;
		position: fixed;
		inset: 0;
		z-index: 999;
		background: rgba(20, 24, 26, 0.5);
		opacity: 0;
		pointer-events: none;
		transition: opacity 0.2s ease;
	}

	.zs-filter-overlay.zs-open {
		opacity: 1;
		pointer-events: auto;
	}

	body.zs-filters-locked {
		overflow: hidden;
	}
}

@media (prefers-reduced-motion: reduce) {
	#secondary,
	.zs-filter-overlay {
		transition: none;
	}
}