/**
 * PeptideLab — slide-out cart drawer.
 *
 * Loaded on the whole front end (the header cart button opens it everywhere).
 */

/* ==========================================================================
   1. Shell
   ========================================================================== */

.pl-drawer {
	position: fixed;
	inset: 0;
	z-index: 100001;
}

.pl-drawer[hidden] {
	display: none;
}

.pl-drawer__scrim {
	position: absolute;
	inset: 0;
	background: rgba(5, 15, 31, 0.45);
	opacity: 0;
	transition: opacity 0.25s ease;
}

.pl-drawer.is-open .pl-drawer__scrim {
	opacity: 1;
}

.pl-drawer__panel {
	position: absolute;
	top: 0;
	right: 0;
	display: flex;
	flex-direction: column;
	/* Wider than a classic mini-cart so the rows breathe; it also scales with the
	   viewport and never exceeds the screen. */
	width: min(clamp(440px, 38vw, 660px), 100%);
	height: 100%;
	background: #fff;
	box-shadow: -20px 0 60px rgba(5, 15, 31, 0.18);
	transform: translateX(100%);
	transition: transform 0.28s cubic-bezier(0.32, 0.72, 0, 1);
}

.pl-drawer.is-open .pl-drawer__panel {
	transform: translateX(0);
}

.pl-drawer__inner {
	display: flex;
	flex-direction: column;
	height: 100%;
	min-height: 0;
}

body.pl-drawer-open {
	overflow: hidden;
}

/* ==========================================================================
   2. Header
   ========================================================================== */

.pl-drawer__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--pl-s4);
	flex: 0 0 auto;
	padding: var(--pl-s5) var(--pl-s5) var(--pl-s4);
	border-bottom: 1px solid var(--pl-line);
}

.pl-drawer__title {
	margin: 0;
	color: var(--pl-navy-900);
	font-size: 1.2rem;
	font-weight: 700;
	letter-spacing: -0.01em;
}

.pl-drawer__close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	padding: 0;
	border: 0;
	border-radius: var(--pl-r-pill);
	background: transparent;
	color: var(--pl-slate-600);
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
}

.pl-drawer__close:hover {
	background: var(--pl-bg-alt);
	color: var(--pl-navy-900);
}

/* Keyboard-only ring: the drawer no longer steals focus when it opens by itself,
   so this only appears for people tabbing through. */
.pl-drawer__close:focus-visible,
.pl-drawer__step:focus-visible,
.pl-drawer__remove:focus-visible,
.pl-drawer__qty:focus-visible {
	outline: 2px solid var(--pl-focus);
	outline-offset: 2px;
}

/* ==========================================================================
   3. Items
   ========================================================================== */

.pl-drawer__body {
	flex: 1 1 auto;
	min-height: 0;
	overflow-y: auto;
	padding: var(--pl-s4) var(--pl-s5);
}

.pl-drawer__empty {
	margin: 0 0 var(--pl-s5);
	color: var(--pl-slate-500);
	text-align: center;
}

.pl-drawer__items {
	margin: 0;
	padding: 0;
	list-style: none;
}

.pl-drawer__item {
	display: grid;
	grid-template-columns: 68px minmax(0, 1fr) auto;
	grid-template-areas:
		"thumb info price"
		"thumb info remove";
	gap: var(--pl-s2) var(--pl-s4);
	padding: var(--pl-s4) var(--pl-s2);
	border-bottom: 1px solid var(--pl-line);
	border-radius: var(--pl-r);
	transition: background 0.15s ease;
}

.pl-drawer__item:hover {
	background: var(--pl-bg-alt);
}

.pl-drawer__item:first-child {
	padding-top: var(--pl-s2);
}

.pl-drawer__thumb {
	grid-area: thumb;
	display: block;
	overflow: hidden;
	width: 68px;
	height: 68px;
	border-radius: var(--pl-r);
	background: linear-gradient(160deg, #eef4fb, #fbfdff);
}

.pl-drawer__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
	mix-blend-mode: multiply;
}

.pl-drawer__info {
	grid-area: info;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 4px;
	min-width: 0;
}

.pl-drawer__name {
	color: var(--pl-navy-900);
	font-size: 0.96rem;
	font-weight: 600;
	line-height: 1.35;
	text-decoration: none;
}

.pl-drawer__name:hover {
	color: var(--pl-accent-strong);
}

.pl-drawer__variant {
	color: var(--pl-slate-500);
	font-size: 0.82rem;
}

/* Explains the strike-through right where it appears. */
.pl-drawer__off {
	display: inline-block;
	margin-top: 2px;
	padding: 2px 8px;
	border-radius: var(--pl-r-pill);
	background: var(--pl-accent-soft);
	color: var(--pl-accent-strong);
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.03em;
}

/* Quantity stepper */

.pl-drawer__stepper {
	display: inline-flex;
	align-items: center;
	justify-content: space-between;
	min-width: 116px;
	margin-top: var(--pl-s2);
	border: 1px solid var(--pl-line-strong);
	border-radius: var(--pl-r);
	background: #fff;
}

.pl-drawer__step {
	width: 34px;
	height: 34px;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--pl-slate-600);
	font-size: 1rem;
	line-height: 1;
	cursor: pointer;
	transition: color 0.15s ease;
}

.pl-drawer__step:hover {
	color: var(--pl-accent-strong);
}

.pl-drawer__qty {
	width: 42px;
	height: 34px;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--pl-navy-900);
	font: inherit;
	font-size: 0.92rem;
	font-weight: 600;
	text-align: center;
	-moz-appearance: textfield;
}

.pl-drawer__qty::-webkit-outer-spin-button,
.pl-drawer__qty::-webkit-inner-spin-button {
	margin: 0;
	-webkit-appearance: none;
}

/* Price */

.pl-drawer__price {
	grid-area: price;
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 2px;
	white-space: nowrap;
}

.pl-drawer__line {
	color: var(--pl-navy-900);
	font-size: 0.98rem;
	font-weight: 700;
}

.pl-drawer__was {
	color: var(--pl-slate-500);
	font-size: 0.82rem;
	text-decoration-color: var(--pl-slate-300);
}

.pl-drawer__remove {
	grid-area: remove;
	align-self: end;
	justify-self: end;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 30px;
	height: 30px;
	padding: 0;
	border: 0;
	border-radius: var(--pl-r-sm);
	background: transparent;
	color: var(--pl-slate-400);
	cursor: pointer;
	transition: color 0.15s ease, background 0.15s ease;
}

.pl-drawer__remove:hover {
	background: var(--pl-warn-bg);
	color: var(--pl-warn);
}

/* ==========================================================================
   4. Footer / totals
   ========================================================================== */

.pl-drawer__foot {
	flex: 0 0 auto;
	padding: var(--pl-s4) var(--pl-s5) var(--pl-s5);
	border-top: 1px solid var(--pl-line);
	background: #fff;
}

.pl-drawer__row {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--pl-s4);
	padding: 3px 0;
}

.pl-drawer__label {
	color: var(--pl-slate-600);
	font-size: 0.9rem;
}

.pl-drawer__amount {
	color: var(--pl-navy-900);
	font-size: 0.98rem;
	font-weight: 600;
}

.pl-drawer__row--total {
	margin-top: var(--pl-s2);
	padding-top: var(--pl-s3);
	border-top: 1px solid var(--pl-line);
}

.pl-drawer__row--total .pl-drawer__label {
	color: var(--pl-navy-900);
	font-size: 1rem;
	font-weight: 700;
}

/* The total is deliberately the largest number in the drawer. */
.pl-drawer__amount--total,
.pl-drawer__amount--total .amount {
	color: var(--pl-navy-900);
	font-size: 1.4rem;
	font-weight: 700;
	letter-spacing: -0.01em;
}

.pl-drawer__amount--total strong {
	font-weight: inherit;
}

.pl-drawer__checkout {
	margin-top: var(--pl-s4);
	border-radius: var(--pl-r-pill);
}

.pl-drawer__note {
	margin: var(--pl-s3) 0 0;
	color: var(--pl-slate-400);
	font-size: 0.78rem;
	text-align: center;
}

.pl-drawer__viewcart {
	margin: var(--pl-s2) 0 0;
	text-align: center;
}

.pl-drawer__viewcart a {
	color: var(--pl-slate-500);
	font-size: 0.8rem;
}

/* ==========================================================================
   5. Loading state
   ========================================================================== */

.pl-drawer.is-busy .pl-drawer__body,
.pl-drawer.is-busy .pl-drawer__foot {
	opacity: 0.55;
	pointer-events: none;
	transition: opacity 0.15s ease;
}

@media (max-width: 480px) {
	.pl-drawer__panel {
		width: 100%;
	}

	.pl-drawer__item {
		grid-template-columns: 56px minmax(0, 1fr) auto;
	}

	.pl-drawer__thumb {
		width: 56px;
		height: 56px;
	}
}

/*
 * 触控命中区（手机上抽屉是主要交互面）。
 *
 * 原来关闭 / 加减 / 删除分别是 34×34、22×34、30×30，小于 40×40 的最小触控目标 ——
 * 检查脚本 scripts/check-responsive.mjs 会把它判为触控可用性缺陷。这里在窄屏把
 * 命中区撑到 44×44（视觉图标大小不变，只是可点范围变大）。
 */
@media (max-width: 560px) {
	.pl-drawer__close {
		width: 44px;
		height: 44px;
	}

	.pl-drawer__stepper {
		min-width: 0;
	}

	.pl-drawer__step {
		/* flex 子项默认会被压缩：只写 width 在窄屏会被压到 26px 宽，必须 flex: none */
		flex: 0 0 44px;
		width: 44px;
		height: 44px;
	}

	.pl-drawer__qty {
		flex: 1 1 auto;
		min-width: 38px;
		height: 44px;
	}

	.pl-drawer__remove {
		width: 44px;
		height: 44px;
	}
}