/* ==========================================================================
   STACK BUILDER — CSS
   Ngjyra kryesore (--sb-accent) mund ta ndryshosh me ngjyren e markes tende
   ========================================================================== */

:root {
	--sb-accent: #e63f01;       /* portokalli i Vitafit */
	--sb-accent-light: #fdece5;
	--sb-bg-light: #f5f5f4;
	--sb-border: #e2e2e0;
	--sb-text: #111111;
	--sb-text-muted: #6b6b6b;
	--sb-radius: 6px;
}

.sb-wrapper * {
	box-sizing: border-box;
}

.sb-container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 24px;
}

/* ---------- Hero ---------- */

.sb-hero {
	position: relative;
	overflow: hidden;
	padding: 64px 0 46px;
	color: #fff;
	background:
		radial-gradient(circle at 12% 15%, rgba(230, 63, 1, 0.28), transparent 42%),
		radial-gradient(circle at 88% 85%, rgba(230, 63, 1, 0.16), transparent 45%),
		linear-gradient(135deg, #121212 0%, #1c1c1c 55%, #2a1206 100%);
}

/* vije energjie ne fund te hero-s */
.sb-hero::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 4px;
	background: linear-gradient(90deg, var(--sb-accent), #ff8a4d, var(--sb-accent));
}

.sb-hero-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: rgba(230, 63, 1, 0.16);
	color: #ff8a4d;
	border: 1px solid rgba(230, 63, 1, 0.45);
	padding: 6px 14px;
	border-radius: 999px;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	margin-bottom: 18px;
}

.sb-title {
	font-size: 52px;
	font-weight: 900;
	letter-spacing: -0.02em;
	line-height: 1.05;
	margin: 0 0 14px;
	color: #fff;
}

.sb-title-accent {
	background: linear-gradient(90deg, #ff8a4d, var(--sb-accent));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	color: transparent;
}

.sb-subtitle {
	font-size: 17px;
	color: rgba(255, 255, 255, 0.72);
	margin: 0 0 26px;
	max-width: 640px;
	line-height: 1.55;
}

.sb-subtitle strong {
	color: #fff;
	font-weight: 800;
}

.sb-tier-badges {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

.sb-tier-badge {
	background: rgba(255, 255, 255, 0.08);
	color: #fff;
	border: 1px solid rgba(255, 255, 255, 0.22);
	border-radius: 999px;
	padding: 8px 16px;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.02em;
	backdrop-filter: blur(4px);
	transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.sb-tier-badge.sb-tier-active {
	background: var(--sb-accent);
	border-color: var(--sb-accent);
	color: #fff;
	transform: translateY(-2px);
	box-shadow: 0 6px 18px rgba(230, 63, 1, 0.4);
}

@media (max-width: 600px) {
	.sb-hero {
		padding: 44px 0 34px;
	}

	.sb-title {
		font-size: 34px;
	}

	.sb-subtitle {
		font-size: 15px;
	}
}

/* ---------- Main layout ---------- */

.sb-main {
	display: grid;
	grid-template-columns: 1fr 380px;
	gap: 32px;
	padding: 40px 24px 80px;
	align-items: start;
}

@media (max-width: 900px) {
	.sb-main {
		grid-template-columns: 1fr;
		/* rezervo hapesire poshte per panelin e ngjitur te zbritjes */
		padding-bottom: 24px;
	}

	/* Lista e produkteve: gjysem ekrani me scroll te brendshem */
	.sb-product-grid {
		max-height: 46vh;
		overflow-y: auto;
		-webkit-overflow-scrolling: touch;
		padding: 2px 4px 2px 2px;
	}

	/* Paneli i permbledhjes ngjitet ne fund te ekranit — zbritja duket menjehere pa scroll */
	.sb-cart-sticky {
		position: sticky;
		top: auto;
		bottom: 0;
		z-index: 50;
		box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.1);
	}

	/* Lista e artikujve ne shporte me e ulet ne mobile qe totali/zbritja te duken gjithmone */
	.sb-cart-items {
		max-height: 120px;
	}
}

/* ---------- Products panel ---------- */

.sb-products-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 16px;
	margin-bottom: 20px;
}

.sb-products-header h2 {
	font-size: 18px;
	font-weight: 800;
	letter-spacing: 0.02em;
	margin: 0;
}

#sb-product-count {
	color: var(--sb-text-muted);
	font-weight: 500;
}

.sb-search input {
	border: 1px solid var(--sb-border);
	border-radius: var(--sb-radius);
	padding: 10px 14px;
	font-size: 14px;
	width: 240px;
	outline: none;
}

.sb-search input:focus {
	border-color: var(--sb-accent);
}

.sb-category-tabs {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 24px;
}

.sb-tab {
	background: #fff;
	border: 1px solid var(--sb-border);
	border-radius: var(--sb-radius);
	padding: 8px 16px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	color: var(--sb-text);
	transition: all 0.15s ease;
}

.sb-tab:hover {
	border-color: var(--sb-accent);
}

.sb-tab.active {
	background: var(--sb-accent);
	border-color: var(--sb-accent);
	color: #fff;
}

.sb-product-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
}

@media (max-width: 600px) {
	.sb-product-grid {
		grid-template-columns: 1fr;
	}
}

.sb-product-card {
	display: flex;
	align-items: center;
	gap: 12px;
	border: 1px solid var(--sb-border);
	border-radius: var(--sb-radius);
	padding: 12px;
	background: #fff;
	transition: border-color 0.15s ease, background 0.15s ease;
}

.sb-product-card.selected {
	border-color: var(--sb-accent);
	background: var(--sb-accent-light);
}

.sb-product-card img {
	width: 48px;
	height: 48px;
	object-fit: cover;
	border-radius: 4px;
	flex-shrink: 0;
	background: #f0f0f0;
}

.sb-product-info {
	flex: 1;
	min-width: 0;
}

.sb-product-brand {
	font-size: 10px;
	text-transform: uppercase;
	color: var(--sb-text-muted);
	letter-spacing: 0.04em;
	margin-bottom: 2px;
}

.sb-product-name {
	font-size: 13px;
	font-weight: 700;
	line-height: 1.3;
	margin-bottom: 4px;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

.sb-product-price {
	font-size: 13px;
	font-weight: 700;
	color: var(--sb-text);
}

.sb-product-toggle {
	width: 32px;
	height: 32px;
	border: 1px solid var(--sb-border);
	border-radius: 4px;
	background: #fff;
	font-size: 16px;
	font-weight: 700;
	cursor: pointer;
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.15s ease;
}

.sb-product-toggle:hover {
	border-color: var(--sb-accent);
}

.sb-product-card.selected .sb-product-toggle {
	background: var(--sb-accent);
	border-color: var(--sb-accent);
	color: #fff;
}

.sb-no-results {
	grid-column: 1 / -1;
	text-align: center;
	color: var(--sb-text-muted);
	padding: 40px 0;
}

/* ---------- Cart panel ---------- */

.sb-cart-sticky {
	position: sticky;
	top: 24px;
	border: 1px solid var(--sb-border);
	border-radius: var(--sb-radius);
	background: #fff;
	padding: 24px;
}

.sb-cart-sticky h3 {
	font-size: 15px;
	font-weight: 800;
	letter-spacing: 0.03em;
	margin: 0 0 16px;
}

.sb-cart-items {
	max-height: 320px;
	overflow-y: auto;
	margin-bottom: 16px;
}

.sb-cart-empty {
	color: var(--sb-text-muted);
	font-size: 13px;
	margin: 0;
}

.sb-cart-item {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px 0;
	border-bottom: 1px solid var(--sb-border);
}

.sb-cart-item img {
	width: 36px;
	height: 36px;
	object-fit: cover;
	border-radius: 4px;
	flex-shrink: 0;
	background: #f0f0f0;
}

.sb-cart-item-info {
	flex: 1;
	min-width: 0;
}

.sb-cart-item-name {
	font-size: 12px;
	font-weight: 700;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.sb-cart-item-price {
	font-size: 12px;
	color: var(--sb-text-muted);
}

.sb-cart-item-remove {
	background: none;
	border: none;
	cursor: pointer;
	font-size: 16px;
	color: var(--sb-text-muted);
	flex-shrink: 0;
}

.sb-cart-item-remove:hover {
	color: #d33;
}

.sb-cart-totals {
	border-top: 1px solid var(--sb-border);
	padding-top: 12px;
	margin-bottom: 16px;
}

.sb-total-row {
	display: flex;
	justify-content: space-between;
	font-size: 13px;
	padding: 4px 0;
	color: var(--sb-text-muted);
}

.sb-discount-row {
	color: var(--sb-accent);
	font-weight: 700;
}

.sb-final-row {
	font-size: 18px;
	font-weight: 800;
	color: var(--sb-text);
	padding-top: 8px;
}

.sb-add-btn {
	width: 100%;
	background: var(--sb-accent);
	color: #fff;
	border: none;
	border-radius: var(--sb-radius);
	padding: 14px;
	font-size: 14px;
	font-weight: 800;
	letter-spacing: 0.02em;
	cursor: pointer;
	transition: opacity 0.15s ease;
}

.sb-add-btn:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.sb-add-btn:not(:disabled):hover {
	opacity: 0.9;
}

.sb-savings-hint {
	text-align: center;
	font-size: 12px;
	color: var(--sb-accent);
	font-weight: 700;
	margin: 10px 0 0;
}