/* BGS – Filtres latéraux */
.bgs-layout {
	--bgs-accent: #24489a;      /* bleu BGS */
	--bgs-bg: #f4f4f5;          /* gris des encadrés existants */
	--bgs-border: #e4e4e7;
	--bgs-text: #1f2024;
	--bgs-muted: #6b6f76;
	display: grid;
	grid-template-columns: 270px minmax(0, 1fr);
	gap: 40px;
	align-items: start;
}
.bgs-layout__main { min-width: 0; }

/* Colonne */
.bgs-filtres {
	position: sticky;
	top: 24px;
	max-height: calc(100vh - 48px);
	overflow-y: auto;
	overscroll-behavior: contain;
	padding-right: 8px;
	color: var(--bgs-text, #1f2024);
	font-size: 15px;
	line-height: 1.35;
	scrollbar-width: thin;
}
.bgs-filtres.is-loading { opacity: .55; pointer-events: none; transition: opacity .15s; }

.bgs-filtres__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-bottom: 12px;
	border-bottom: 2px solid currentColor;
}
.bgs-filtres__title { margin: 0; font-size: 20px; font-weight: 700; }
.bgs-filtres__close {
	display: none;
	border: 0;
	background: none;
	font-size: 28px;
	line-height: 1;
	cursor: pointer;
	color: inherit;
	padding: 4px 8px;
}

/* Filtres actifs */
.bgs-filtres__active { padding: 14px 0; border-bottom: 1px solid var(--bgs-border, #e4e4e7); }
.bgs-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; padding: 0; list-style: none; }
.bgs-chip {
	display: inline-flex;
	gap: 8px;
	align-items: center;
	padding: 5px 10px;
	border-radius: 999px;
	background: var(--bgs-bg, #f4f4f5);
	color: inherit;
	font-size: 13px;
	text-decoration: none;
}
.bgs-chip:hover { background: #e7e9f2; }
.bgs-filtres__reset { font-size: 14px; color: var(--bgs-accent, #24489a); font-weight: 600; }

/* Groupe */
.bgs-filtre { border-bottom: 1px solid var(--bgs-border, #e4e4e7); }
.bgs-filtre__summary {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 14px 2px;
	font-weight: 600;
	cursor: pointer;
	list-style: none;
}
.bgs-filtre__summary::-webkit-details-marker { display: none; }
.bgs-filtre__summary::after {
	content: "";
	margin-left: auto;
	width: 7px;
	height: 7px;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
	transform: translateY(-2px) rotate(45deg);
	transition: transform .2s ease;
	flex: none;
}
.bgs-filtre[open] > .bgs-filtre__summary::after { transform: translateY(2px) rotate(-135deg); }
.bgs-filtre__summary:focus-visible { outline: 2px solid var(--bgs-accent, #24489a); outline-offset: 2px; border-radius: 4px; }
.bgs-filtre__badge {
	min-width: 20px;
	padding: 1px 6px;
	border-radius: 999px;
	background: var(--bgs-accent, #24489a);
	color: #fff;
	font-size: 12px;
	text-align: center;
}

.bgs-filtre__body { padding: 0 2px 14px; }
.bgs-filtre__search {
	width: 100%;
	box-sizing: border-box;
	margin: 0 0 8px;
	padding: 8px 10px;
	border: 1px solid var(--bgs-border, #e4e4e7);
	border-radius: 8px;
	background: var(--bgs-bg, #f4f4f5);
	font: inherit;
	font-size: 14px;
}
.bgs-filtre__empty { margin: 4px 0; color: var(--bgs-muted, #6b6f76); font-size: 14px; }

.bgs-filtre__list { margin: 0; padding: 0; list-style: none; }
.bgs-filtre.is-expanded .bgs-filtre__list,
.bgs-filtre.is-searching .bgs-filtre__list { max-height: 320px; overflow-y: auto; scrollbar-width: thin; }
.bgs-filtre__item.is-extra { display: none; }
.bgs-filtre.is-expanded .bgs-filtre__item.is-extra,
.bgs-filtre.is-searching .bgs-filtre__item.is-extra { display: block; }
.bgs-filtre__item[hidden] { display: none !important; }

.bgs-filtre__item label {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 5px 0;
	cursor: pointer;
	font-weight: 400;
	margin: 0;
}
.bgs-filtre__item input[type="checkbox"] {
	appearance: none;
	-webkit-appearance: none;
	flex: none;
	display: grid;
	place-content: center;
	width: 18px;
	height: 18px;
	margin: 0;
	border: 1.5px solid #9a9ca3;
	border-radius: 4px;
	background: #fff;
	cursor: pointer;
}
.bgs-filtre__item input[type="checkbox"]::after {
	content: "";
	width: 5px;
	height: 9px;
	border: solid #fff;
	border-width: 0 2px 2px 0;
	transform: translateY(-1px) rotate(45deg) scale(0);
	transition: transform .12s ease;
}
.bgs-filtre__item input[type="checkbox"]:checked { background: var(--bgs-accent, #24489a); border-color: var(--bgs-accent, #24489a); }
.bgs-filtre__item input[type="checkbox"]:checked::after { transform: translateY(-1px) rotate(45deg) scale(1); }
.bgs-filtre__item input[type="checkbox"]:focus-visible { outline: 2px solid var(--bgs-accent, #24489a); outline-offset: 2px; }
.bgs-filtre__item label:hover .bgs-filtre__name { color: var(--bgs-accent, #24489a); }

.bgs-filtre__name { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.bgs-filtre__count {
	flex: none;
	padding: 1px 8px;
	border-radius: 999px;
	background: var(--bgs-bg, #f4f4f5);
	color: var(--bgs-muted, #6b6f76);
	font-size: 12px;
}

.bgs-filtre__more {
	margin-top: 6px;
	padding: 4px 0;
	border: 0;
	background: none;
	color: var(--bgs-accent, #24489a);
	font: inherit;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
}
.bgs-filtre__more:hover { text-decoration: underline; }

/* Bouton mobile + validation */
.bgs-filtres-toggle,
.bgs-filtres__apply { display: none; }

@media (max-width: 991px) {
	.bgs-layout { grid-template-columns: 1fr; gap: 0; }

	.bgs-filtres-toggle {
		display: inline-flex;
		align-items: center;
		gap: 8px;
		margin: 0 0 16px;
		padding: 10px 16px;
		border: 0;
		border-radius: 10px;
		background: var(--bgs-bg, #f4f4f5);
		color: var(--bgs-text, #1f2024);
		font: inherit;
		font-weight: 600;
		cursor: pointer;
	}

	.bgs-filtres {
		position: fixed;
		top: 0;
		bottom: 0;
		left: 0;
		z-index: 100001;
		width: min(360px, 88vw);
		max-height: none;
		box-sizing: border-box;
		padding: 20px 20px 0;
		background: #fff;
		box-shadow: 4px 0 24px rgba(0, 0, 0, .15);
		transform: translateX(-105%);
		transition: transform .25s ease;
	}
	.bgs-filtres.is-open { transform: none; }
	.bgs-filtres__close { display: block; }

	.bgs-filtres__overlay {
		position: fixed;
		inset: 0;
		z-index: 100000;
		background: rgba(0, 0, 0, .4);
	}

	.bgs-filtres__apply {
		display: block;
		position: sticky;
		bottom: 0;
		margin: 0 -20px;
		padding: 12px 20px 16px;
		background: #fff;
		border-top: 1px solid var(--bgs-border, #e4e4e7);
	}
	.bgs-filtres__apply-btn {
		width: 100%;
		padding: 12px;
		border: 0;
		border-radius: 10px;
		background: var(--bgs-accent, #24489a);
		color: #fff;
		font: inherit;
		font-weight: 600;
		cursor: pointer;
	}
	body.bgs-no-scroll { overflow: hidden; }
}

@media (prefers-reduced-motion: reduce) {
	.bgs-filtres,
	.bgs-filtre__summary::after,
	.bgs-filtre__item input[type="checkbox"]::after { transition: none; }
}

.bgs-filtres__admin-note { margin: 16px 0; padding: 10px 12px; border-left: 3px solid #d63638; background: #fcf0f1; font-size: 13px; }