:root {
	--bk-bg: #F8F5F0;
	--bk-surface: #ffffff;
	--bk-dark: #1f1f1f;
	--bk-text: #2D2A27;
	--bk-muted: #7a7570;
	--bk-border: #e8e2da;
	--bk-accent: #007a41;
	--bk-accent-hover: #065631;
	--bk-danger: #e23837;
	--bk-radius: 14px;
	--bk-radius-sm: 10px;
	--bk-shadow: 0 4px 24px rgba(31, 31, 31, 0.06);
	--bk-max: 1240px;
	--bk-header-h: 64px;
	--bk-safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body.bk-body {
	margin: 0;
	font-family: 'Karla', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	background: var(--bk-bg);
	color: var(--bk-text);
	line-height: 1.5;
	min-height: 100vh;
	min-height: 100dvh;
}

.bk-wrap {
	max-width: var(--bk-max);
	margin: 0 auto;
	padding: 0 16px calc(100px + var(--bk-safe-bottom));
}

@media (min-width: 768px) {
	.bk-wrap { padding: 0 28px 120px; }
}

.bk-step-odeme .bk-wrap {
	padding-bottom: calc(110px + var(--bk-safe-bottom));
}

.bk-step-tamam .bk-wrap {
	padding-bottom: 40px;
}

/* Header — compact toolbar: back · logo · spacer */
.bk-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--bk-surface);
	border-bottom: 1px solid var(--bk-border);
	padding: 8px 16px;
	padding-top: calc(8px + env(safe-area-inset-top, 0px));
}

@media (min-width: 768px) {
	.bk-header {
		padding: 12px 28px;
		padding-top: calc(12px + env(safe-area-inset-top, 0px));
	}
}

.bk-header__inner {
	max-width: var(--bk-max);
	margin: 0 auto;
	display: grid;
	grid-template-columns: 44px 1fr 44px;
	align-items: center;
	gap: 8px;
}

.bk-header__slot {
	display: flex;
	align-items: center;
	min-height: 44px;
}

.bk-header__slot--start { justify-content: flex-start; }
.bk-header__slot--end { justify-content: flex-end; }

.bk-header__logo {
	justify-self: center;
	display: flex;
	align-items: center;
	text-decoration: none;
	line-height: 0;
}

.bk-header__logo img {
	height: 30px;
	width: auto;
	display: block;
}

@media (min-width: 768px) {
	.bk-header__logo img { height: 34px; }
}

.bk-header__back {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	margin: 0;
	padding: 0;
	color: var(--bk-dark);
	text-decoration: none;
	font-size: 18px;
	border: none;
	background: none;
	cursor: pointer;
	font-family: inherit;
	flex-shrink: 0;
	-webkit-tap-highlight-color: transparent;
}

.bk-header__back:hover { opacity: 0.7; }

.bk-header__title {
	font-size: 15px;
	font-weight: 600;
	color: var(--bk-dark);
	text-align: right;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	max-width: 180px;
}

@media (min-width: 900px) {
	.bk-header__inner {
		grid-template-columns: 44px auto 1fr;
		position: relative;
		min-height: 48px;
	}

	.bk-header__logo {
		justify-self: start;
	}

	.bk-header__slot--end.bk-desktop-only {
		position: absolute;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);
		justify-content: center;
		width: auto;
		max-width: calc(100% - 200px);
		pointer-events: none;
		z-index: 0;
	}

	.bk-header__slot--start,
	.bk-header__logo {
		position: relative;
		z-index: 1;
	}

	.bk-header__title {
		font-size: 22px;
		font-weight: 700;
		text-align: center;
		max-width: min(480px, 60vw);
		letter-spacing: -0.02em;
	}
}

/* Page title — mobile only, below header */
.bk-page-head {
	padding: 4px 0 12px;
	margin-bottom: 4px;
}

.bk-page-head__title {
	font-size: 26px;
	font-weight: 700;
	color: var(--bk-dark);
	margin: 0;
	line-height: 1.2;
	letter-spacing: -0.02em;
}

.bk-page-head__sub {
	font-size: 14px;
	color: var(--bk-muted);
	margin: 6px 0 0;
	line-height: 1.45;
	max-width: 36em;
}

/* Steps */
.bk-steps {
	padding: 0 0 16px;
}

@media (min-width: 768px) {
	.bk-steps {
		padding: 20px 0 28px;
	}

	.bk-steps__label {
		font-size: 15px;
	}
}

@media (min-width: 900px) {
	.bk-steps {
		padding: 28px 0 36px;
	}

	.bk-steps__item {
		gap: 12px;
	}

	.bk-steps__dot {
		width: 40px;
		height: 40px;
		font-size: 16px;
	}

	.bk-steps__label {
		font-size: 18px;
	}

	.bk-steps__item--active .bk-steps__label {
		font-weight: 700;
	}

	.bk-steps__item--done .bk-steps__label {
		font-size: 17px;
	}

	.bk-steps__line {
		width: 64px;
		height: 3px;
		margin: 0 10px;
	}
}

.bk-steps__track {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
}

.bk-steps__track::-webkit-scrollbar { display: none; }

.bk-steps__item {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-shrink: 0;
}

.bk-steps__dot {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 12px;
	font-weight: 700;
	background: var(--bk-border);
	color: var(--bk-muted);
	transition: all 0.25s ease;
}

.bk-steps__item--active .bk-steps__dot,
.bk-steps__item--done .bk-steps__dot {
	background: var(--bk-dark);
	color: #fff;
}

.bk-steps__label {
	font-size: 12px;
	color: var(--bk-muted);
	display: none;
}

.bk-steps__item--active .bk-steps__label {
	color: var(--bk-dark);
	font-weight: 600;
}

.bk-steps__line {
	width: 24px;
	height: 2px;
	background: var(--bk-border);
	margin: 0 4px;
	flex-shrink: 0;
}

.bk-steps__line--done { background: var(--bk-dark); }

@media (min-width: 480px) {
	.bk-steps__label { display: block; }
	.bk-steps__line { width: 40px; }
}

/* Layout grid */
.bk-grid {
	display: grid;
	gap: 24px;
}

@media (min-width: 900px) {
	.bk-grid--checkout {
		grid-template-columns: 1fr 400px;
		align-items: start;
		gap: 28px;
	}
}

.bk-narrow {
	max-width: 580px;
	margin-left: auto;
	margin-right: auto;
	width: 100%;
}

/* Cards */
.bk-card {
	background: var(--bk-surface);
	border-radius: var(--bk-radius);
	border: 1px solid var(--bk-border);
	box-shadow: var(--bk-shadow);
	overflow: hidden;
}

.bk-card__head {
	padding: 16px 18px;
	border-bottom: 1px solid var(--bk-border);
	font-weight: 600;
	font-size: 15px;
	color: var(--bk-dark);
}

.bk-card__head--compact {
	padding: 14px 18px;
	font-size: 14px;
}

.bk-card__body { padding: 18px; }

.bk-card__body--cta {
	padding-top: 0;
}

.bk-card__body--flush {
	padding: 0;
}

@media (min-width: 768px) {
	.bk-card__head { padding: 18px 22px; font-size: 16px; }
	.bk-card__body { padding: 20px 22px; }
}

.bk-card__body--products {
	padding-top: 0;
	padding-bottom: 0;
}

/* Product block */
.bk-product-block {
	border-bottom: 1px solid var(--bk-border);
}

.bk-product-block:last-child { border-bottom: none; }

.bk-product-discount {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 4px 10px;
	margin-bottom: 8px;
	background: #f3f8f5;
	border: 1px solid #dceee3;
	border-radius: 999px;
	font-size: 11px;
	font-weight: 600;
	color: var(--bk-accent);
	line-height: 1.2;
	letter-spacing: 0.01em;
}

.bk-product-discount i {
	font-size: 9px;
	opacity: 0.75;
}

/* Product row */
.bk-product {
	display: grid;
	grid-template-columns: 72px 1fr;
	gap: 12px;
	align-items: start;
	padding: 16px 18px;
}

.bk-product__img {
	width: 72px;
	height: 72px;
	border-radius: var(--bk-radius-sm);
	object-fit: cover;
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
}

.bk-product__name {
	font-size: 14px;
	font-weight: 600;
	margin: 0 0 6px;
	line-height: 1.35;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.bk-product__actions {
	grid-column: 1 / -1;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	padding-top: 2px;
}

.bk-product__actions-left {
	display: flex;
	align-items: center;
	gap: 12px;
	flex: 1;
	min-width: 0;
}

.bk-remove {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	border: none;
	background: none;
	color: var(--bk-danger);
	cursor: pointer;
	padding: 8px;
	font-size: 18px;
	font-family: inherit;
	flex-shrink: 0;
}

.bk-remove__text {
	display: none;
}

@media (min-width: 640px) {
	.bk-product {
		grid-template-columns: 96px 1fr auto;
		gap: 16px;
		align-items: center;
		padding: 18px 22px;
	}

	.bk-product__img {
		width: 96px;
		height: 96px;
	}

	.bk-product__name {
		font-size: 15px;
		-webkit-line-clamp: unset;
	}

	.bk-product__actions {
		grid-column: auto;
		flex-direction: column;
		align-items: flex-end;
		padding-top: 0;
	}

	.bk-product__actions-left {
		flex-direction: column;
		align-items: flex-end;
		gap: 8px;
	}

	.bk-remove__text {
		display: inline;
		font-size: 13px;
		margin-left: 4px;
	}
}

.bk-product__info { min-width: 0; }

.bk-product__prices {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 8px;
}

.bk-product__price-old {
	font-size: 13px;
	color: var(--bk-muted);
	text-decoration: line-through;
}

.bk-product__price {
	font-size: 15px;
	font-weight: 700;
	color: var(--bk-dark);
}

.bk-product__total {
	font-size: 15px;
	color: var(--bk-dark);
	white-space: nowrap;
}

/* Quantity */
.bk-qty {
	display: inline-flex;
	align-items: center;
	border: 1px solid var(--bk-border);
	border-radius: 999px;
	overflow: hidden;
	background: var(--bk-bg);
}

.bk-qty__btn {
	width: 44px;
	height: 44px;
	border: none;
	background: transparent;
	cursor: pointer;
	font-size: 20px;
	color: var(--bk-dark);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: inherit;
	-webkit-tap-highlight-color: transparent;
}

.bk-qty__btn:active { background: var(--bk-border); }

.bk-qty__input {
	width: 40px;
	height: 44px;
	border: none;
	text-align: center;
	font-size: 15px;
	font-weight: 600;
	background: transparent;
	font-family: inherit;
	-moz-appearance: textfield;
}

@media (min-width: 640px) {
	.bk-qty__btn {
		width: 36px;
		height: 36px;
		font-size: 18px;
	}

	.bk-qty__input {
		width: 36px;
		height: 36px;
		font-size: 14px;
	}

	.bk-product__total { font-size: 16px; }
	.bk-product__price { font-size: 16px; }
}

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

/* Summary product names */
.bk-summary__product-name {
	font-size: 13px;
	max-width: 62%;
	line-height: 1.35;
}

.bk-summary__address {
	font-size: 13px;
	margin: 4px 0 0;
	line-height: 1.5;
}

/* Summary */
.bk-summary__row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 8px 0;
	font-size: 14px;
}

.bk-summary__row--discount { color: var(--bk-accent); }

.bk-summary__total {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 14px 0 0;
	margin-top: 8px;
	border-top: 2px solid var(--bk-dark);
	font-size: 17px;
	font-weight: 700;
}

.bk-summary__label { color: var(--bk-muted); font-size: 13px; }

/* Order summary — adres & ödeme */
.bk-card--summary {
	position: sticky;
	top: 16px;
}

.bk-card__head--summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.bk-card__badge {
	display: inline-flex;
	align-items: center;
	padding: 4px 10px;
	border-radius: 999px;
	background: var(--bk-bg);
	color: var(--bk-muted);
	font-size: 12px;
	font-weight: 600;
	white-space: nowrap;
}

.bk-card__body--summary {
	padding-top: 12px !important;
}

.bk-order-summary__collapse {
	margin-bottom: 12px;
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-radius-sm);
	background: var(--bk-bg);
	overflow: hidden;
}

.bk-order-summary__collapse-head {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 14px;
	cursor: pointer;
	list-style: none;
	user-select: none;
	-webkit-tap-highlight-color: transparent;
}

.bk-order-summary__collapse-head::-webkit-details-marker {
	display: none;
}

.bk-order-summary__collapse-label {
	font-size: 13px;
	font-weight: 600;
	color: var(--bk-dark);
	flex: 1;
	min-width: 0;
}

.bk-order-summary__collapse-meta {
	font-size: 12px;
	color: var(--bk-muted);
	font-weight: 500;
}

.bk-order-summary__collapse-icon {
	font-size: 12px;
	color: var(--bk-muted);
	transition: transform 0.2s ease;
	flex-shrink: 0;
}

.bk-order-summary__collapse[open] .bk-order-summary__collapse-icon {
	transform: rotate(180deg);
}

.bk-order-summary__collapse[open] .bk-order-summary__collapse-head {
	border-bottom: 1px solid var(--bk-border);
}

.bk-order-summary__products {
	display: flex;
	flex-direction: column;
	gap: 12px;
	max-height: 280px;
	overflow-y: auto;
	padding: 12px 14px 14px;
	-webkit-overflow-scrolling: touch;
}

.bk-order-summary__products::-webkit-scrollbar {
	width: 4px;
}

.bk-order-summary__products::-webkit-scrollbar-thumb {
	background: var(--bk-border);
	border-radius: 4px;
}

.bk-order-item {
	display: grid;
	grid-template-columns: 52px 1fr auto;
	gap: 10px;
	align-items: start;
}

.bk-order-item__img {
	width: 52px;
	height: 52px;
	border-radius: 10px;
	object-fit: cover;
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
	flex-shrink: 0;
}

.bk-order-item__img--placeholder {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--bk-muted);
	font-size: 18px;
}

.bk-order-item__body {
	min-width: 0;
}

.bk-order-item__name {
	margin: 0 0 4px;
	font-size: 13px;
	font-weight: 600;
	line-height: 1.35;
	color: var(--bk-dark);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.bk-order-item__meta {
	margin: 0;
	font-size: 12px;
	color: var(--bk-muted);
	line-height: 1.4;
}

.bk-order-item__was {
	text-decoration: line-through;
	margin-left: 4px;
	opacity: 0.75;
}

.bk-order-item__total {
	font-size: 13px;
	font-weight: 700;
	color: var(--bk-dark);
	white-space: nowrap;
	padding-top: 2px;
}

.bk-order-summary__breakdown {
	padding-bottom: 4px;
	padding-top: 4px;
}

.bk-order-summary__breakdown .bk-summary__row {
	padding: 6px 0;
	font-size: 13px;
}

.bk-order-summary__grand {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-top: 12px;
	padding: 14px 16px;
	border-radius: var(--bk-radius-sm);
	background: var(--bk-dark);
	color: #fff;
}

.bk-order-summary__grand span {
	font-size: 13px;
	font-weight: 500;
	opacity: 0.85;
}

.bk-order-summary__grand strong {
	font-size: 18px;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.bk-order-summary__ship {
	margin-top: 16px;
	padding: 14px;
	border-radius: var(--bk-radius-sm);
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
}

.bk-order-summary__ship-head {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 10px;
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--bk-muted);
}

.bk-order-summary__ship-head i {
	color: var(--bk-dark);
	font-size: 13px;
}

.bk-order-summary__ship-title {
	margin: 0 0 6px;
	font-size: 15px;
	font-weight: 700;
	color: var(--bk-dark);
}

.bk-order-summary__ship-line {
	margin: 0 0 3px;
	font-size: 13px;
	line-height: 1.45;
	color: var(--bk-dark);
}

.bk-order-summary__ship-line--muted {
	color: var(--bk-muted);
	margin-bottom: 0;
}

.bk-order-summary--compact .bk-order-summary__products {
	max-height: 220px;
	padding: 10px 12px 12px;
}

.bk-order-summary--compact .bk-order-summary__collapse-head {
	padding: 10px 12px;
}

.bk-order-summary--compact .bk-order-item__img {
	width: 44px;
	height: 44px;
}

.bk-order-summary--compact .bk-order-item {
	grid-template-columns: 44px 1fr auto;
}

.bk-mob-panel__summary .bk-order-summary__grand {
	margin-top: 10px;
}

/* Buttons */
.bk-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	padding: 16px 24px;
	min-height: 52px;
	border: none;
	border-radius: var(--bk-radius-sm);
	font-size: 16px;
	font-weight: 700;
	font-family: inherit;
	cursor: pointer;
	transition: background 0.2s, transform 0.1s;
	text-decoration: none;
	text-align: center;
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
}

.bk-btn--cta { min-height: 54px; }

.bk-btn--block { display: flex; }

.bk-btn--sticky {
	min-width: 140px;
	flex: 1;
	max-width: 200px;
	padding-left: 16px;
	padding-right: 16px;
}

.bk-btn:active { transform: scale(0.98); }

.bk-btn--primary {
	background: var(--bk-dark);
	color: #fff;
}

.bk-btn--primary:hover { background: #333; }

.bk-btn--accent {
	background: var(--bk-accent);
	color: #fff;
}

.bk-btn--accent:hover { background: var(--bk-accent-hover); }

.bk-btn--ghost {
	background: transparent;
	color: var(--bk-dark);
	border: 1px solid var(--bk-border);
}

.bk-btn--ghost:hover { background: var(--bk-bg); }

.bk-btn--link {
	background: none;
	color: var(--bk-muted);
	font-weight: 500;
	padding: 12px;
}

.bk-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

/* Sticky footer CTA */
.bk-sticky {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 90;
	background: var(--bk-surface);
	border-top: 1px solid var(--bk-border);
	padding: 12px 16px calc(12px + var(--bk-safe-bottom));
	box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
}

.bk-sticky__inner {
	max-width: var(--bk-max);
	margin: 0 auto;
	display: flex;
	align-items: center;
	gap: 12px;
}

.bk-sticky__price {
	flex: 1;
	min-width: 0;
}

.bk-sticky__price small {
	display: block;
	font-size: 11px;
	color: var(--bk-muted);
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.bk-sticky__price strong {
	font-size: 20px;
	color: var(--bk-dark);
	line-height: 1.2;
}

.bk-sticky .bk-btn--sticky {
	width: auto;
	flex: 1.2;
	max-width: none;
	min-width: 0;
}

@media (min-width: 900px) {
	.bk-sticky { display: none; }
	.bk-desktop-only { display: block; }
}

@media (max-width: 899px) {
	.bk-desktop-only { display: none !important; }
}

/* Payment sticky stays on mobile even when other stickies hidden - handled by bk-mobile-only class */
.bk-sticky--payment {
	display: block;
}

/* Forms */
.bk-form-group { margin-bottom: 16px; }

.bk-label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	margin-bottom: 6px;
	color: var(--bk-dark);
}

.bk-input,
.bk-select,
.bk-textarea {
	width: 100%;
	padding: 15px 18px;
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-radius-sm);
	font-size: 16px;
	font-family: inherit;
	background: var(--bk-surface);
	color: var(--bk-text);
	transition: border-color 0.2s, box-shadow 0.2s;
	-webkit-appearance: none;
}

.bk-input:focus,
.bk-select:focus,
.bk-textarea:focus {
	outline: none;
	border-color: var(--bk-dark);
	box-shadow: 0 0 0 3px rgba(31,31,31,0.08);
}

.bk-textarea { min-height: 100px; resize: vertical; }

.bk-field-hint {
	margin: 6px 0 0;
	font-size: 12px;
	line-height: 1.4;
	color: var(--bk-muted);
}

.bk-field-hint--warn {
	color: #b45309;
}

.bk-field-hint--ok {
	color: var(--bk-muted);
}

/* Adres form — kilitli alanlar */
.bk-field--locked .bk-input,
.bk-field--locked .bk-select,
.bk-field--locked .bk-textarea,
.bk-input:disabled,
.bk-select:disabled,
.bk-textarea:disabled {
	opacity: 0.7;
	cursor: not-allowed;
	background: #f3f0eb;
	color: var(--bk-muted);
}

.bk-field--locked .bk-label {
	opacity: 0.85;
}

.bk-tabs {
	display: flex;
	border-bottom: 1px solid var(--bk-border);
	margin-bottom: 20px;
}

.bk-tab {
	flex: 1;
	padding: 16px 12px;
	min-height: 52px;
	border: none;
	background: none;
	font-family: inherit;
	font-size: 15px;
	font-weight: 600;
	color: var(--bk-muted);
	cursor: pointer;
	border-bottom: 2px solid transparent;
	margin-bottom: -1px;
}

.bk-tab--active {
	color: var(--bk-dark);
	border-bottom-color: var(--bk-dark);
}

/* Address cards */
.bk-address-list {
	display: grid;
	gap: 12px;
}

.bk-address {
	position: relative;
	border: 2px solid var(--bk-border);
	border-radius: var(--bk-radius);
	padding: 16px 18px;
	cursor: pointer;
	transition: border-color 0.2s, box-shadow 0.2s;
	-webkit-tap-highlight-color: transparent;
}

.bk-address__edit {
	font-size: 13px;
	font-weight: 600;
	color: var(--bk-dark);
	text-decoration: none;
	flex-shrink: 0;
	padding: 8px 4px;
	min-height: 44px;
	display: inline-flex;
	align-items: center;
}

.bk-address:hover { border-color: #ccc; }

.bk-address--selected {
	border-color: var(--bk-dark);
	box-shadow: 0 0 0 1px var(--bk-dark);
}

.bk-address input[type="radio"] {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.bk-address__title {
	font-weight: 700;
	font-size: 15px;
	margin: 0 0 6px;
}

.bk-address__text {
	font-size: 14px;
	color: var(--bk-muted);
	margin: 0 0 4px;
	line-height: 1.45;
}

.bk-address__badge {
	position: absolute;
	top: 14px;
	right: 14px;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	border: 2px solid var(--bk-border);
	display: flex;
	align-items: center;
	justify-content: center;
}

.bk-address--selected .bk-address__badge {
	background: var(--bk-dark);
	border-color: var(--bk-dark);
	color: #fff;
}

/* Toggle */
.bk-toggle {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 0;
	border-bottom: 1px solid var(--bk-border);
	cursor: pointer;
}

.bk-toggle:last-child { border-bottom: none; }

.bk-switch {
	width: 48px;
	height: 28px;
	border-radius: 999px;
	background: var(--bk-border);
	position: relative;
	transition: background 0.2s;
	flex-shrink: 0;
}

.bk-switch::after {
	content: '';
	position: absolute;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: #fff;
	top: 3px;
	left: 3px;
	transition: transform 0.2s;
	box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.bk-toggle input { display: none; }

.bk-toggle input:checked + .bk-switch {
	background: var(--bk-accent);
}

.bk-toggle input:checked + .bk-switch::after {
	transform: translateX(20px);
}

.bk-corporate {
	display: none;
	margin-top: 12px;
	padding-top: 12px;
	border-top: 1px dashed var(--bk-border);
}

.bk-corporate--show { display: block; }

/* Accordion */
.bk-accordion__item {
	border-bottom: 1px solid var(--bk-border);
}

.bk-accordion__head {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 0;
	border: none;
	background: none;
	font-family: inherit;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	text-align: left;
	color: var(--bk-dark);
}

.bk-accordion__body {
	display: none;
	padding: 0 0 16px;
	font-size: 12px;
	color: var(--bk-muted);
	max-height: 280px;
	overflow-y: auto;
	line-height: 1.6;
}

.bk-accordion__body--open { display: block; }

.bk-accordion__icon {
	transition: transform 0.2s;
	font-size: 12px;
}

.bk-accordion__head--open .bk-accordion__icon {
	transform: rotate(180deg);
}

/* Alerts */
.bk-alert {
	padding: 12px 16px;
	border-radius: var(--bk-radius-sm);
	font-size: 14px;
	margin-bottom: 16px;
}

.bk-alert--error {
	background: #fdeaea;
	color: var(--bk-danger);
	border: 1px solid #f5c6c6;
}

.bk-alert--success {
	background: #e8f5ee;
	color: var(--bk-accent);
	border: 1px solid #b8dfc8;
}

/* Empty state */
.bk-empty {
	text-align: center;
	padding: 48px 24px;
}

.bk-empty__icon {
	font-size: 48px;
	margin-bottom: 16px;
	opacity: 0.3;
}

.bk-empty h2 {
	font-size: 20px;
	margin: 0 0 8px;
}

.bk-empty p {
	color: var(--bk-muted);
	margin: 0 0 24px;
}

/* Coupon */
.bk-coupon {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

.bk-coupon .bk-input { flex: 1; }

.bk-coupon .bk-btn {
	width: auto;
	padding: 14px 18px;
}

/* PayTR */
.bk-paytr {
	border-radius: 0;
	overflow: hidden;
	border: none;
}

.bk-paytr iframe {
	width: 100%;
	border: none;
	display: block;
	min-height: 520px;
}

.bk-paytr-note {
	font-size: 12px;
	color: var(--bk-muted);
	margin: 0;
	padding: 12px 18px 16px;
	text-align: center;
	background: var(--bk-bg);
}

.bk-card--payment {
	overflow: visible;
}

.bk-grid--payment {
	gap: 16px;
}

/* Mobile collapsible summary bar */
.bk-mob-bar {
	margin-bottom: 16px;
}

.bk-mob-bar__toggle {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 14px 16px;
	background: var(--bk-surface);
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-radius);
	box-shadow: var(--bk-shadow);
	cursor: pointer;
	font-family: inherit;
	text-align: left;
	min-height: 56px;
	-webkit-tap-highlight-color: transparent;
}

.bk-mob-bar__toggle--open {
	border-bottom-left-radius: 0;
	border-bottom-right-radius: 0;
	border-bottom-color: transparent;
}

.bk-mob-bar__left {
	display: flex;
	flex-direction: column;
	gap: 2px;
	min-width: 0;
}

.bk-mob-bar__label {
	font-size: 14px;
	font-weight: 600;
	color: var(--bk-dark);
}

.bk-mob-bar__hint {
	font-size: 12px;
	color: var(--bk-muted);
}

.bk-mob-bar__toggle--open .bk-mob-bar__hint { display: none; }

.bk-mob-bar__right {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-shrink: 0;
}

.bk-mob-bar__total {
	font-size: 17px;
	font-weight: 700;
	color: var(--bk-dark);
}

.bk-mob-bar__icon {
	font-size: 12px;
	color: var(--bk-muted);
	transition: transform 0.2s;
}

.bk-mob-bar__toggle--open .bk-mob-bar__icon {
	transform: rotate(180deg);
}

.bk-mob-panel {
	background: var(--bk-surface);
	border: 1px solid var(--bk-border);
	border-top: none;
	border-radius: 0 0 var(--bk-radius) var(--bk-radius);
	margin-top: -1px;
	margin-bottom: 16px;
}

.bk-mob-panel__inner {
	padding: 4px 16px 16px;
}

.bk-mob-panel__summary .bk-summary__row:first-child {
	padding-top: 4px;
}

/* Native details for contracts on mobile */
.bk-details {
	background: var(--bk-surface);
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-radius);
	margin-top: 12px;
	overflow: hidden;
}

.bk-details summary {
	padding: 16px 18px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	list-style: none;
	min-height: 52px;
	display: flex;
	align-items: center;
}

.bk-details summary::-webkit-details-marker { display: none; }

.bk-details summary::after {
	content: '+';
	margin-left: auto;
	font-size: 18px;
	color: var(--bk-muted);
}

.bk-details[open] summary::after { content: '−'; }

.bk-details__body {
	padding: 0 18px 16px;
	border-top: 1px solid var(--bk-border);
}

/* Success */
.bk-success {
	text-align: center;
	padding: 40px 20px;
}

.bk-success__icon {
	width: 72px;
	height: 72px;
	border-radius: 50%;
	background: var(--bk-accent);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 32px;
	margin: 0 auto 20px;
}

.bk-success h1 {
	font-size: 24px;
	margin: 0 0 8px;
}

.bk-success p {
	color: var(--bk-muted);
	margin: 0 0 24px;
}

.bk-divider {
	height: 1px;
	background: var(--bk-border);
	margin: 20px 0;
}

.bk-link {
	color: var(--bk-accent);
	text-decoration: none;
	font-weight: 600;
}

.bk-link:hover { text-decoration: underline; }

.bk-loading {
	opacity: 0.6;
	pointer-events: none;
}

.bk-hidden { display: none !important; }

.bk-auth-intro {
	color: var(--bk-muted);
	font-size: 14px;
	margin: 0 0 20px;
	text-align: center;
	line-height: 1.5;
}

.bk-guest-back {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	border: none;
	background: none;
	color: var(--bk-muted);
	font-family: inherit;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	padding: 0 0 16px;
	margin: 0;
}

.bk-guest-back:hover { color: var(--bk-dark); }

.bk-check {
	display: flex;
	gap: 10px;
	align-items: flex-start;
	font-size: 13px;
	margin-bottom: 16px;
	cursor: pointer;
	line-height: 1.45;
}

.bk-check input { margin-top: 3px; flex-shrink: 0; }

/* Link button */
.bk-link-btn {
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	color: var(--bk-dark);
	text-decoration: underline;
	cursor: pointer;
}

.bk-link-btn:hover { opacity: 0.75; }

/* Address list v2 */
.bk-card__head--split {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
}

.bk-link--action {
	font-size: 13px;
	font-weight: 600;
	white-space: nowrap;
}

.bk-address-hint {
	font-size: 14px;
	color: var(--bk-muted);
	margin: 0 0 16px;
}

.bk-address__check {
	position: absolute;
	top: 16px;
	right: 16px;
	width: 24px;
	height: 24px;
	border-radius: 50%;
	border: 2px solid var(--bk-border);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 11px;
	color: transparent;
	transition: all 0.2s;
}

.bk-address--selected .bk-address__check {
	background: var(--bk-dark);
	border-color: var(--bk-dark);
	color: #fff;
}

.bk-address__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 8px;
	padding-right: 36px;
}

.bk-address__edit:hover { text-decoration: underline; }

.bk-address__text--strong {
	color: var(--bk-dark);
	font-weight: 600;
}

.bk-address__text--muted {
	margin-bottom: 0 !important;
}

.bk-aside-stack {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.bk-selected-preview__label {
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--bk-muted);
	margin: 0 0 10px;
}

.bk-selected-preview__title {
	font-size: 16px;
	font-weight: 700;
	margin: 0 0 8px;
}

.bk-selected-preview__line {
	font-size: 14px;
	margin: 0 0 4px;
	line-height: 1.45;
}

.bk-selected-preview__line--muted {
	color: var(--bk-muted);
	margin-bottom: 0;
}

.bk-mobile-only { display: none; }

@media (max-width: 899px) {
	.bk-mobile-only { display: block; }
	.bk-selected-preview.bk-mobile-only {
		border: 2px solid var(--bk-dark);
		border-radius: var(--bk-radius);
		padding: 16px;
		background: #fafafa;
		margin-top: 16px;
	}
}

@media (min-width: 900px) {
	.bk-mob-bar,
	.bk-mob-panel { display: none !important; }
}

/* Remove modal — bottom sheet on mobile */
.bk-modal-open { overflow: hidden; }

.bk-modal {
	position: fixed;
	inset: 0;
	z-index: 1000;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	padding: 0;
}

@media (min-width: 640px) {
	.bk-modal {
		align-items: center;
		padding: 20px;
	}
}

.bk-modal.bk-hidden { display: none; }

.bk-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.45);
	z-index: 0;
}

.bk-modal__sheet,
.bk-modal__box {
	position: relative;
	z-index: 1;
	width: 100%;
	max-width: 420px;
	background: #fff;
	border-radius: 20px 20px 0 0;
	padding: 12px 20px calc(20px + var(--bk-safe-bottom));
	box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.15);
}

@media (min-width: 640px) {
	.bk-modal__sheet,
	.bk-modal__box {
		border-radius: var(--bk-radius);
		padding: 24px;
		box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
	}
}

.bk-modal__handle {
	width: 40px;
	height: 4px;
	background: var(--bk-border);
	border-radius: 999px;
	margin: 0 auto 16px;
}

@media (min-width: 640px) {
	.bk-modal__handle { display: none; }
}

.bk-modal__actions--stack {
	flex-direction: column;
}

.bk-modal__actions--stack .bk-btn {
	width: 100%;
	flex: none;
	min-width: 0;
}

.bk-modal__hint {
	font-size: 13px;
	color: var(--bk-muted);
	margin: -4px 0 8px;
	line-height: 1.45;
	text-align: center;
}

.bk-modal__title {
	margin: 0 0 10px;
	font-size: 18px;
}

.bk-modal__text {
	margin: 0 0 20px;
	font-size: 14px;
	color: var(--bk-muted);
	line-height: 1.5;
}

.bk-modal__actions {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}

.bk-modal__actions .bk-btn { flex: 1; min-width: 120px; }

.bk-modal__extra {
	margin-top: 20px;
	padding-top: 20px;
	border-top: 1px solid var(--bk-border);
}

.bk-modal__extra p {
	font-size: 13px;
	color: var(--bk-muted);
	margin: 0 0 12px;
	line-height: 1.45;
}

.bk-btn--outline {
	background: #fff;
	border: 1px solid var(--bk-dark);
	color: var(--bk-dark);
	width: 100%;
}

.bk-btn--outline:hover {
	background: #f5f5f5;
}

/* Toast */
.bk-toast {
	position: fixed;
	left: 50%;
	bottom: calc(88px + var(--bk-safe-bottom));
	transform: translateX(-50%);
	background: var(--bk-dark);
	color: #fff;
	padding: 12px 18px;
	border-radius: 999px;
	font-size: 14px;
	z-index: 1100;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
	max-width: calc(100% - 32px);
	text-align: center;
}

.bk-coupon {
	flex-wrap: wrap;
}

.bk-coupon .bk-btn {
	min-height: 48px;
	padding: 12px 16px;
}

@media (max-width: 899px) {
	.bk-narrow {
		max-width: none;
	}

	.bk-success {
		padding: 32px 16px;
	}

	.bk-success h1 {
		font-size: 22px;
	}

	.bk-check input {
		width: 20px;
		height: 20px;
		margin-top: 2px;
	}
}