/* =============================================================
   Product Filter Bar Widget - 产品分类页筛选/排序条
   ============================================================= */

.pfb-wrapper {
	width: 100%;
	box-sizing: border-box;
}

/* ── 分类标题 ────────────────────────────────────────── */
.pfb-title {
	font-size: 32px;
	font-weight: 400;
	line-height: 1.2;
	color: #1d1d1f;
	margin: 0 0 32px 0;
	letter-spacing: -0.01em;
}

/* ── 工具栏（筛选 + 排序） ───────────────────────────── */
.pfb-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 16px 28px;
	width: 100%;
	font-size: 14px;
	line-height: 1.4;
	color: #1d1d1f;
}

.pfb-filters,
.pfb-sort-wrap {
	display: flex;
	align-items: center;
	gap: 14px;
	flex-wrap: wrap;
}

/* ── 段标签（Filter: / Sort by:）─────────────────────── */
.pfb-section-label {
	color: #e85b51;
	font-size: 14px;
	font-weight: 400;
	letter-spacing: 0.2px;
	white-space: nowrap;
}

/* ── 通用下拉容器 ────────────────────────────────────── */
.pfb-dropdown {
	position: relative;
	display: inline-block;
}

/* ── 下拉触发按钮 ────────────────────────────────────── */
.pfb-toggle {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: none;
	border: none;
	padding: 6px 0;
	font: inherit;
	color: #1d1d1f;
	cursor: pointer;
	white-space: nowrap;
	letter-spacing: 0.2px;
	transition: color 0.15s ease;
	-webkit-appearance: none;
	appearance: none;
}

.pfb-toggle:hover,
.pfb-toggle:focus,
.pfb-toggle:active {
	background: transparent !important;
	border: none !important;
	outline: none !important;
	box-shadow: none !important;
}

.pfb-toggle:focus-visible {
	outline: 2px solid rgba(37, 99, 235, 0.4);
	outline-offset: 2px;
}

.pfb-dropdown.pfb-open .pfb-toggle {
	color: #2563eb;
}

.pfb-dropdown.pfb-open .pfb-toggle-text {
	text-decoration: underline;
	text-underline-offset: 4px;
}

/* 已应用筛选时也用激活色 */
.pfb-dropdown.pfb-has-value:not(.pfb-open) .pfb-toggle {
	color: #2563eb;
}

.pfb-dropdown.pfb-has-value:not(.pfb-open) .pfb-toggle-text {
	text-decoration: underline;
	text-underline-offset: 4px;
}

.pfb-toggle-text {
	display: inline-block;
}

.pfb-toggle-arrow {
	display: inline-block;
	flex-shrink: 0;
	margin-top: 1px;
	transition: transform 0.2s ease;
}

.pfb-dropdown.pfb-open .pfb-toggle-arrow {
	transform: rotate(180deg);
}

/* ── 下拉面板（基础） ────────────────────────────────── */
.pfb-panel {
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	min-width: 280px;
	background-color: #ffffff;
	border: 1px solid #e5e5e5;
	border-radius: 2px;
	padding: 16px 18px;
	z-index: 100;
	box-sizing: border-box;
}

.pfb-panel.pfb-panel-shadow {
	box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.pfb-panel[hidden] {
	display: none !important;
}

/* ── 面板头部（X selected / Reset） ──────────────────── */
.pfb-panel-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 14px;
}

.pfb-selected-label,
.pfb-info-label {
	color: #4a4a4a;
	font-size: 13px;
	letter-spacing: 0.2px;
}

.pfb-reset {
	background: none;
	border: none;
	padding: 0;
	margin: 0;
	font: inherit;
	font-size: 13px;
	color: #1d1d1f;
	text-decoration: underline;
	text-underline-offset: 3px;
	cursor: pointer;
	-webkit-appearance: none;
	appearance: none;
}

.pfb-reset:hover,
.pfb-reset:focus {
	color: #2563eb;
	background: transparent !important;
	outline: none;
}

/* ── 库存复选框列表 ──────────────────────────────────── */
.pfb-options {
	list-style: none;
	margin: 0;
	padding: 0;
}

.pfb-options > li + li {
	margin-top: 8px;
}

.pfb-check {
	display: flex;
	align-items: center;
	gap: 10px;
	cursor: pointer;
	user-select: none;
	color: #1d1d1f;
	padding: 4px 0;
}

/* 隐藏原生 checkbox */
.pfb-check input[type="checkbox"] {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* 自定义 checkbox 框 */
.pfb-check-box {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 16px;
	height: 16px;
	background-color: #ffffff;
	border: 1px solid #b5b5b5;
	border-radius: 2px;
	flex-shrink: 0;
	transition: background-color 0.15s ease, border-color 0.15s ease;
	position: relative;
}

.pfb-check input:checked ~ .pfb-check-box {
	background-color: #1d1d1f;
	border-color: #1d1d1f;
}

.pfb-check input:checked ~ .pfb-check-box::after {
	content: '';
	position: absolute;
	left: 4px;
	top: 1px;
	width: 5px;
	height: 9px;
	border: solid #ffffff;
	border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}

.pfb-check input:focus-visible ~ .pfb-check-box {
	outline: 2px solid rgba(37, 99, 235, 0.4);
	outline-offset: 2px;
}

.pfb-check-text {
	font-size: 14px;
	line-height: 1.3;
	color: #1d1d1f;
}

/* ── 价格输入字段 ────────────────────────────────────── */
.pfb-price-fields {
	display: flex;
	gap: 10px;
}

.pfb-price-field {
	display: inline-flex;
	align-items: stretch;
	gap: 8px;
	flex: 1;
	min-width: 0;
}

.pfb-price-prefix {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 24px;
	color: #1d1d1f;
	font-size: 14px;
	flex-shrink: 0;
}

.pfb-price-input {
	flex: 1;
	min-width: 0;
	height: 36px;
	padding: 0 10px;
	font: inherit;
	font-size: 14px;
	color: #1d1d1f;
	background-color: #ffffff;
	border: 1px solid #d4d4d4;
	border-radius: 2px;
	box-sizing: border-box;
	-webkit-appearance: none;
	appearance: none;
}

.pfb-price-input::placeholder {
	color: #9a9a9a;
}

.pfb-price-input:focus {
	outline: none;
	border-color: #1d1d1f;
}

/* 隐藏 number input 的箭头按钮 */
.pfb-price-input::-webkit-outer-spin-button,
.pfb-price-input::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

.pfb-price-input[type=number] {
	-moz-appearance: textfield;
	appearance: textfield;
}

/* ── 排序下拉面板 ────────────────────────────────────── */
.pfb-sort-dropdown .pfb-panel {
	right: 0;
	left: auto;
	min-width: 220px;
	padding: 6px 0;
}

.pfb-sort-option {
	display: block;
	width: 100%;
	background: none;
	border: none;
	padding: 10px 18px;
	font: inherit;
	font-size: 14px;
	color: #1d1d1f;
	cursor: pointer;
	text-align: left;
	transition: color 0.15s ease, background-color 0.15s ease;
	-webkit-appearance: none;
	appearance: none;
	white-space: nowrap;
}

.pfb-sort-option:hover,
.pfb-sort-option:focus {
	color: #888888;
	background-color: transparent !important;
	outline: none;
}

.pfb-sort-option.pfb-current {
	font-weight: 500;
}

.pfb-sort-option.pfb-current::before {
	content: '';
	display: inline-block;
	margin-right: 8px;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: #1d1d1f;
	vertical-align: middle;
}

/* ── 产品数量 ────────────────────────────────────────── */
.pfb-count {
	color: #666666;
	font-size: 14px;
	white-space: nowrap;
	letter-spacing: 0.2px;
}

/* ── 移动端触发条（默认隐藏，手机端显示） ───────────── */
.pfb-mobile-bar {
	display: none;
}

/* ── 移动端抽屉（默认隐藏） ─────────────────────────── */
.pfb-mobile-drawer {
	display: none;
}

/* ── 响应式（≤ 768px） ───────────────────────────────── */
@media (max-width: 768px) {

	/* 隐藏桌面版工具栏 */
	.pfb-bar {
		display: none !important;
	}

	/* 标题调小 */
	.pfb-title {
		font-size: 24px;
		margin-bottom: 16px;
	}

	/* ── 触发条 ── */
	.pfb-mobile-bar {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 12px 0;
		border-top: 1px solid #e5e5e5;
		border-bottom: 1px solid #e5e5e5;
	}

	.pfb-mobile-open {
		display: inline-flex;
		align-items: center;
		gap: 8px;
		background: transparent !important;
		background-color: transparent !important;
		border: none !important;
		box-shadow: none !important;
		outline: none !important;
		padding: 0 !important;
		font: inherit;
		font-size: 14px;
		color: #1d1d1f !important;
		cursor: pointer;
		-webkit-appearance: none;
		appearance: none;
		border-radius: 0 !important;
	}

	.pfb-mobile-open:hover,
	.pfb-mobile-open:focus,
	.pfb-mobile-open:active,
	.pfb-mobile-open:focus-visible {
		background: transparent !important;
		background-color: transparent !important;
		border: none !important;
		box-shadow: none !important;
		outline: none !important;
		color: #1d1d1f !important;
	}

	.pfb-mobile-open svg,
	.pfb-mobile-open:hover svg,
	.pfb-mobile-open:focus svg,
	.pfb-mobile-open:active svg {
		flex-shrink: 0;
		color: #1d1d1f !important;
	}

	.pfb-mobile-open span,
	.pfb-mobile-open:hover span,
	.pfb-mobile-open:focus span,
	.pfb-mobile-open:active span {
		color: #1d1d1f !important;
		font-weight: 400;
		letter-spacing: 0.2px;
	}

	.pfb-mobile-bar-count {
		font-size: 13px;
		color: #666666;
	}

	/* ── 抽屉结构 ── */
	.pfb-mobile-drawer {
		display: block;
		position: fixed;
		inset: 0;
		z-index: 9000;
		pointer-events: none;
	}

	.pfb-mobile-drawer[aria-hidden="true"] .pfb-mobile-overlay,
	.pfb-mobile-drawer[aria-hidden="true"] .pfb-mobile-panel {
		opacity: 0;
		pointer-events: none;
	}

	.pfb-mobile-drawer[aria-hidden="false"] {
		pointer-events: auto;
	}

	/* 半透明遮罩 */
	.pfb-mobile-overlay {
		position: absolute;
		inset: 0;
		background: rgba(0, 0, 0, 0.4);
		opacity: 0;
		transition: opacity 0.28s ease;
	}

	.pfb-mobile-drawer[aria-hidden="false"] .pfb-mobile-overlay {
		opacity: 1;
	}

	/* 右侧面板 */
	.pfb-mobile-panel {
		position: absolute;
		top: 0;
		right: 0;
		bottom: 0;
		width: min(360px, 90vw);
		background: #ffffff;
		display: flex;
		flex-direction: column;
		transform: translateX(100%);
		transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
		box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
	}

	.pfb-mobile-drawer[aria-hidden="false"] .pfb-mobile-panel {
		transform: translateX(0);
	}

	/* ── 抽屉头部 ── */
	.pfb-mobile-head {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 18px 20px 14px;
		border-bottom: 1px solid #e5e5e5;
		flex-shrink: 0;
	}

	.pfb-mobile-head-info {
		display: flex;
		flex-direction: column;
		gap: 2px;
	}

	.pfb-mobile-head-title {
		font-size: 15px;
		font-weight: 500;
		color: #1d1d1f;
		letter-spacing: 0.1px;
	}

	.pfb-mobile-head-count {
		font-size: 12px;
		color: #888888;
	}

	.pfb-mobile-close {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		background: none;
		border: none;
		padding: 4px;
		color: #1d1d1f;
		cursor: pointer;
		flex-shrink: 0;
		-webkit-appearance: none;
		appearance: none;
	}

	/* ── 抽屉主体 ── */
	.pfb-mobile-body {
		flex: 1;
		overflow-y: auto;
		padding: 0 20px 24px;
	}

	/* ── 行（Availability / Price） ── */
	.pfb-mobile-row {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 18px 0;
		border-bottom: 1px solid #e5e5e5;
		cursor: pointer;
	}

	.pfb-mobile-row-label {
		font-size: 14px;
		color: #1d1d1f;
	}

	.pfb-mobile-row-active .pfb-mobile-row-label {
		color: #1d1d1f;
		font-weight: 500;
	}

	.pfb-mobile-row-arrow {
		color: #888888;
		flex-shrink: 0;
		transition: transform 0.2s ease;
	}

	.pfb-mobile-row.pfb-mobile-expanded .pfb-mobile-row-arrow {
		transform: rotate(90deg);
	}

	/* ── 可展开内容区 ── */
	.pfb-mobile-section {
		padding: 14px 0 8px;
		border-bottom: 1px solid #e5e5e5;
	}

	.pfb-mobile-section[hidden] {
		display: none !important;
	}

	.pfb-mobile-section .pfb-options {
		display: flex;
		flex-direction: column;
		gap: 14px;
	}

	.pfb-mobile-section .pfb-check {
		padding: 2px 0;
	}

	/* ── 排序行（内嵌 select） ── */
	.pfb-mobile-sort-row {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 18px 0;
		border-bottom: 1px solid #e5e5e5;
		gap: 12px;
	}

	.pfb-mobile-sort-select-wrap {
		position: relative;
		flex-shrink: 0;
	}

	.pfb-mobile-sort-select {
		-webkit-appearance: none;
		appearance: none;
		border: 1px solid #d4d4d4;
		border-radius: 2px;
		background: #ffffff;
		padding: 8px 32px 8px 12px;
		font: inherit;
		font-size: 13px;
		color: #1d1d1f;
		cursor: pointer;
		min-width: 160px;
	}

	.pfb-mobile-sort-select:focus {
		outline: none;
		border-color: #1d1d1f;
	}

	.pfb-mobile-select-arrow {
		position: absolute;
		right: 10px;
		top: 50%;
		transform: translateY(-50%);
		pointer-events: none;
		color: #888888;
	}
}