/**
 * 批量折扣 / 混搭 — 前端样式
 * 主色：#e94560 · 圆角：2px（圆形控件除外）
 */

:root {
	--wc-abd-accent: #e94560;
	--wc-abd-accent-dark: #c0314a;
	--wc-abd-accent-soft: #fff1f3;
	--wc-abd-accent-soft-2: #fde9ec;
	--wc-abd-border: #e3e6eb;
	--wc-abd-border-strong: #cfd3d9;
	--wc-abd-text: #1f2532;
	--wc-abd-text-soft: #6b7280;
	--wc-abd-muted: #9aa0a6;
	--wc-abd-bg: #ffffff;
	--wc-abd-bg-soft: #fafbfc;
	--wc-abd-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
	--wc-abd-shadow-hover: 0 6px 18px rgba(233, 69, 96, 0.12);
	--wc-abd-radius: 5px;
	--wc-abd-slot-height: 38px;
}

.wc-abd-bulk-root {
	margin: 0 0 1.75rem;
	color: var(--wc-abd-text);
	font-family: inherit;
}

.wc-abd-wrap {
	max-width: 100%;
}

/* ---------- 标题 ---------- */
.wc-abd-title {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	margin: 0 0 1rem;
	font-size: 0.92rem;
	font-weight: 800;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--wc-abd-text);
}

.wc-abd-title::after {
	content: '';
	flex: 1 1 auto;
	height: 2px;
	background: linear-gradient(
		to right,
		var(--wc-abd-accent) 0%,
		var(--wc-abd-accent) 28px,
		var(--wc-abd-border) 28px,
		var(--wc-abd-border) 100%
	);
	border-radius: var(--wc-abd-radius);
}

/* ---------- 层级容器 ---------- */
.wc-abd-tiers {
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
}

/* ---------- 单个层级 ---------- */
.wc-abd-tier {
	position: relative;
	border: 1.5px solid var(--wc-abd-border);
	border-radius: var(--wc-abd-radius);
	padding: 0.85rem 1rem;
	background: var(--wc-abd-bg);
	box-shadow: var(--wc-abd-shadow);
	transition: border-color 0.18s ease, box-shadow 0.18s ease,
		background-color 0.18s ease, transform 0.18s ease;
}

.wc-abd-tier:hover {
	border-color: var(--wc-abd-border-strong);
}

.wc-abd-tier.is-selected {
	border-color: var(--wc-abd-accent);
	background: var(--wc-abd-accent-soft);
	box-shadow: var(--wc-abd-shadow-hover);
}

/* ---------- 角标 ---------- */
.wc-abd-tier-badge {
	position: absolute;
	top: -10px;
	left: 44px;
	background: var(--wc-abd-accent);
	color: #fff;
	font-size: 10px;
	font-weight: 800;
	padding: 4px 10px;
	border-radius: var(--wc-abd-radius);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	line-height: 1;
	box-shadow: 0 4px 10px rgba(233, 69, 96, 0.28);
	white-space: nowrap;
}

/* ---------- 行内布局 ---------- */
.wc-abd-tier-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.65rem;
	margin: 0;
	cursor: pointer;
	user-select: none;
}

/* 自定义单选框（保持圆形） */
.wc-abd-tier-row input[type='radio'] {
	-webkit-appearance: none;
	appearance: none;
	width: 18px;
	height: 18px;
	margin: 0;
	border: 2px solid var(--wc-abd-border-strong);
	border-radius: 50%;
	background: #fff;
	cursor: pointer;
	flex-shrink: 0;
	position: relative;
	transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.wc-abd-tier-row input[type='radio']:checked {
	border-color: var(--wc-abd-accent);
	box-shadow: 0 0 0 3px var(--wc-abd-accent-soft-2);
}

.wc-abd-tier-row input[type='radio']:checked::after {
	content: '';
	position: absolute;
	inset: 3px;
	border-radius: 50%;
	background: var(--wc-abd-accent);
}

.wc-abd-tier-row input[type='radio']:focus-visible {
	outline: 2px solid var(--wc-abd-accent);
	outline-offset: 2px;
}

.wc-abd-tier-main {
	flex: 1 1 auto;
	min-width: 0;
	font-size: 0.95rem;
	line-height: 1.4;
	color: var(--wc-abd-text);
}

.wc-abd-tier-qty-msg {
	font-weight: 700;
	margin-right: 0.35rem;
}

.wc-abd-tier-compare {
	color: var(--wc-abd-muted);
	font-size: 0.88em;
	margin-left: 0.25rem;
	text-decoration: line-through;
}

.wc-abd-tier-savings {
	margin-left: auto;
	color: var(--wc-abd-accent);
	font-weight: 800;
	font-size: 0.85rem;
	letter-spacing: 0.02em;
	white-space: nowrap;
	background: var(--wc-abd-accent-soft-2);
	padding: 4px 10px;
	border-radius: var(--wc-abd-radius);
	line-height: 1;
}

/* ---------- 槽位下拉 ---------- */
.wc-abd-tier-slots {
	margin-top: 0.85rem;
	padding-top: 0.85rem;
	border-top: 1px dashed var(--wc-abd-border);
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.55rem;
}

.wc-abd-tier:not(.is-selected) .wc-abd-tier-slots {
	display: none !important;
}

.wc-abd-slot {
	display: grid;
	grid-template-columns: auto 1fr;
	align-items: stretch;
	gap: 0.55rem;
}

.wc-abd-slot-label {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	padding: 0 6px;
	min-width: 36px;
	width: max-content;
	height: var(--wc-abd-slot-height);
	min-height: var(--wc-abd-slot-height);
	font-size: 0.78rem;
	font-weight: 700;
	color: var(--wc-abd-text-soft);
	background: var(--wc-abd-bg-soft);
	border: 1px solid var(--wc-abd-border);
	border-radius: var(--wc-abd-radius);
	letter-spacing: 0.02em;
	line-height: 1;
}

.wc-abd-slot-select {
	box-sizing: border-box;
	width: 100%;
	max-width: 100%;
	height: var(--wc-abd-slot-height);
	min-height: var(--wc-abd-slot-height);
	padding: 0 2rem 0 5px;
	border: 1px solid var(--wc-abd-border-strong);
	border-radius: var(--wc-abd-radius);
	font-size: 0.92rem;
	line-height: 1.25;
	background-color: var(--wc-abd-bg);
	background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%23667085' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/></svg>");
	background-repeat: no-repeat;
	background-position: right 10px center;
	background-size: 12px 8px;
	color: var(--wc-abd-text);
	-webkit-appearance: none;
	appearance: none;
	cursor: pointer;
	transition: border-color 0.18s ease, box-shadow 0.18s ease,
		background-color 0.18s ease;
}

.wc-abd-slot-select:hover {
	border-color: var(--wc-abd-accent);
	background-color: var(--wc-abd-accent-soft);
}

.wc-abd-slot-select:focus {
	outline: none;
	border-color: var(--wc-abd-accent);
	box-shadow: 0 0 0 2px var(--wc-abd-accent-soft-2);
	background-color: #fff;
}

.wc-abd-slot-select option.wc-abd-oos,
.wc-abd-slot-select option:disabled {
	color: var(--wc-abd-muted);
	font-style: italic;
}

/* ---------- 底部操作 ---------- */
.wc-abd-actions {
	margin-top: 1.1rem;
}

.wc-abd-confirm-btn {
	display: block;
	width: 100%;
	box-sizing: border-box;
	padding: 0.95rem 1rem;
	border: none;
	border-radius: var(--wc-abd-radius);
	background: var(--wc-abd-accent);
	color: #fff;
	font-size: 0.98rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	text-align: center;
	cursor: pointer;
	line-height: 1.25;
	box-shadow: 0 8px 18px rgba(233, 69, 96, 0.28);
	transition: background-color 0.18s ease, transform 0.05s ease,
		box-shadow 0.18s ease, opacity 0.18s ease;
}

.wc-abd-confirm-btn:hover,
.wc-abd-confirm-btn:focus {
	background: var(--wc-abd-accent-dark);
	color: #fff;
	outline: none;
	box-shadow: 0 10px 22px rgba(192, 49, 74, 0.32);
}

.wc-abd-confirm-btn:active {
	transform: translateY(1px);
	box-shadow: 0 4px 10px rgba(192, 49, 74, 0.24);
}

.wc-abd-confirm-btn.is-loading {
	opacity: 0.75;
	cursor: progress;
	box-shadow: none;
}

.wc-abd-confirm-btn.is-loading::after {
	content: '';
	display: inline-block;
	width: 14px;
	height: 14px;
	margin-left: 0.55rem;
	vertical-align: -2px;
	border: 2px solid rgba(255, 255, 255, 0.45);
	border-top-color: #fff;
	border-radius: 50%;
	animation: wc-abd-spin 0.7s linear infinite;
}

@keyframes wc-abd-spin {
	to {
		transform: rotate(360deg);
	}
}

/* ---------- 响应式 ---------- */
@media (max-width: 480px) {
	.wc-abd-tier {
		padding: 0.85rem 0.85rem;
	}
	.wc-abd-tier-row {
		gap: 0.5rem;
	}
	.wc-abd-tier-savings {
		margin-left: 0;
		flex-basis: 100%;
		text-align: center;
	}
	.wc-abd-confirm-btn {
		padding: 0.85rem 0.9rem;
		font-size: 0.92rem;
		letter-spacing: 0.04em;
	}
}