/* === Основний стиль === */
.materials-filter {
	background: #333;
	color: #fff;
	font-family: "Open Sans", Arial, sans-serif;
	border: none;
	padding: 0;
}

/* === Десктоп === */
.filter-row {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: nowrap;
	justify-content: flex-start;
	max-width: 1200px;
	margin: 0 auto;
	padding: 6px 10px;
}

.mf-title {
	font-weight: 700;
	font-size: 14px;
	text-transform: uppercase;
	margin-right: 8px;
}

.mf-select {
	flex: 1 1 0;
	background: #4783B7;
	color: #fff;
	border: 1px solid #376ea6;
	border-radius: 4px;
	padding: 6px 12px;
	font-size: 14px;
	cursor: pointer;
	appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg fill='%23ffffff' height='12' viewBox='0 0 24 24' width='12' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 10px center;
	background-size: 12px;
	padding-right: 28px;
}

.mf-select:hover,
.mf-select:focus {
	background: #3a6fa3;
	outline: none;
}

/* === Мобільна версія === */
.mf-toggle {
	display: none;
}

/* === Адаптив до 768px === */
@media (max-width: 768px) {

	/* 🔹 Верхня панель */
	.mf-toggle {
		display: flex;
		justify-content: space-between;
		align-items: center;
		background: #344154;
		height: 50px;
		color: #fff;
		user-select: none;
		padding: 0;
		border: none;
	}

	/* 🔹 Ліва частина: гамбургер + текст */
	.mf-toggle-left {
		display: flex;
		align-items: center;
		gap: 10px;
		height: 100%;
		background: #333;
		padding: 0 14px;
		flex: 1;
		cursor: pointer;
	}

	/* 🔹 Гамбургер */
	.mf-hamburger {
		width: 22px;
		height: 16px;
		display: flex;
		flex-direction: column;
		justify-content: space-between;
		position: relative;
		transition: all 0.3s ease-in-out;
	}

	.mf-hamburger span {
		display: block;
		position: absolute;
		left: 0;
		width: 100%;
		height: 2px;
		background: #fff;
		border-radius: 1px;
		transition: all 0.3s ease-in-out;
	}

	/* Верхня, середня, нижня лінії */
	.mf-hamburger span:nth-child(1) { top: 0; }
	.mf-hamburger span:nth-child(2) { top: 7px; }
	.mf-hamburger span:nth-child(3) { bottom: 0; }

	/* Хрестик при відкритті */
	.materials-filter:not(.collapsed) .mf-hamburger span:nth-child(1) {
		transform: rotate(45deg);
		top: 7px;
	}
	.materials-filter:not(.collapsed) .mf-hamburger span:nth-child(2) {
		opacity: 0;
	}
	.materials-filter:not(.collapsed) .mf-hamburger span:nth-child(3) {
		transform: rotate(-45deg);
		bottom: 7px;
	}

	.mf-toggle-text {
		font-weight: 700;
		font-size: 13px;
		text-transform: uppercase;
		color: #fff;
		white-space: nowrap;
	}

	/* 🔹 Кнопка “+” */
	#mf-sidebar-open {
		width: 46px;
		height: 46px;
		border: none;
		background: #444;
		color: #fff;
		font-size: 22px;
		line-height: 46px;
		text-align: center;
		cursor: pointer;
	}
	#mf-sidebar-open::before {
		content: '+';
		font-weight: bold;
	}
	#mf-sidebar-open:hover {
		background: #3a6fa3;
	}

	/* 🔹 Стан фільтра */
	.materials-filter.collapsed .filter-row {
		display: none;
	}

	.materials-filter .filter-row {
		flex-direction: column;
		align-items: stretch;
		gap: 8px;
		background: #2c3e50;
		padding: 10px;
		animation: slideDown 0.3s ease;
	}

	@keyframes slideDown {
		from {opacity: 0; transform: translateY(-10px);}
		to {opacity: 1; transform: translateY(0);}
	}

	/* 🔹 Селектори на всю ширину */
	.materials-filter .filter-row select.mf-select {
		width: 100%;
		flex: none;
		box-sizing: border-box;
	}

	.materials-filter .filter-row .mf-title {
		margin-bottom: 4px;
		font-size: 14px;
		text-align: left;
		width: 100%;
	}
}