/**
 * PC Configurator — Builder step-by-step styles.
 */

:root {
	--pcc-primary: #2563eb;
	--pcc-primary-hover: #1d4ed8;
	--pcc-selected-bg: #dbeafe;
	--pcc-selected-border: #2563eb;
	--pcc-incompatible-bg: #fef2f2;
	--pcc-incompatible-border: #fca5a5;
	--pcc-oos-bg: #f9fafb;
	--pcc-card-radius: 8px;
	--pcc-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
	--pcc-card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
	--pcc-step-completed: #22c55e;
	--pcc-text: #1f2937;
	--pcc-text-muted: #6b7280;
	--pcc-border: #e5e7eb;
	--pcc-bg: #ffffff;
	--pcc-sidebar-bg: #f9fafb;
}

[x-cloak] {
	display: none !important;
}

/* ==========================================================================
   Builder container
   ========================================================================== */

.pcc-builder {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	max-width: 1400px;
	margin: 0 auto;
	font-family: inherit;
	color: var(--pcc-text);
}

/* ==========================================================================
   Stepper
   ========================================================================== */

.pcc-builder__stepper {
	display: flex;
	gap: 0;
	overflow-x: auto;
	padding: 0.5rem 0;
	border-bottom: 2px solid var(--pcc-border);
}

.pcc-builder__step {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.75rem 1rem;
	border: none;
	background: none;
	cursor: pointer;
	white-space: nowrap;
	color: var(--pcc-text-muted);
	font-size: 0.875rem;
	font-weight: 500;
	position: relative;
	transition: color 0.2s;
}

.pcc-builder__step:disabled {
	cursor: not-allowed;
	opacity: 0.4;
}

.pcc-builder__step.is-active {
	color: var(--pcc-primary);
}

.pcc-builder__step.is-active::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--pcc-primary);
}

.pcc-builder__step.is-completed {
	color: var(--pcc-step-completed);
}

.pcc-builder__step-number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.75rem;
	height: 1.75rem;
	border-radius: 50%;
	background: var(--pcc-border);
	color: var(--pcc-text-muted);
	font-size: 0.75rem;
	font-weight: 700;
	flex-shrink: 0;
}

.pcc-builder__step.is-active .pcc-builder__step-number {
	background: var(--pcc-primary);
	color: #fff;
}

.pcc-builder__step.is-completed .pcc-builder__step-number {
	background: var(--pcc-step-completed);
	color: #fff;
}

.pcc-builder__step-check {
	font-size: 0.75rem;
}

/* ==========================================================================
   Content layout (main + sidebar)
   ========================================================================== */

.pcc-builder__content {
	display: grid;
	grid-template-columns: 1fr 320px;
	gap: 2rem;
	align-items: start;
}

.pcc-builder__main {
	min-width: 0;
}

/* ==========================================================================
   Step header
   ========================================================================== */

.pcc-builder__step-header {
	margin-bottom: 1rem;
}

.pcc-builder__step-title {
	font-size: 1.25rem;
	font-weight: 700;
	margin: 0 0 0.25rem;
}

.pcc-builder__step-desc {
	margin: 0;
	color: var(--pcc-text-muted);
	font-size: 0.875rem;
}

/* ==========================================================================
   Toolbar (filters + sort)
   ========================================================================== */

.pcc-builder__toolbar {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	align-items: flex-start;
	justify-content: space-between;
	margin-bottom: 1rem;
}

.pcc-builder__filters {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	flex: 1;
}

.pcc-builder__filter-group {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.pcc-builder__filter-label {
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--pcc-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.pcc-builder__filter-options {
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem;
}

.pcc-builder__filter-btn {
	padding: 0.25rem 0.625rem;
	border: 1px solid var(--pcc-border);
	border-radius: 99px;
	background: var(--pcc-bg);
	font-size: 0.75rem;
	cursor: pointer;
	transition: all 0.15s;
	color: var(--pcc-text);
}

.pcc-builder__filter-btn:hover {
	border-color: var(--pcc-primary);
}

.pcc-builder__filter-btn.is-active {
	background: var(--pcc-primary);
	border-color: var(--pcc-primary);
	color: #fff;
}

.pcc-builder__sort select {
	padding: 0.375rem 0.75rem;
	border: 1px solid var(--pcc-border);
	border-radius: 6px;
	font-size: 0.875rem;
	background: var(--pcc-bg);
}

/* ==========================================================================
   Loading
   ========================================================================== */

.pcc-builder__loading {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	padding: 3rem 0;
	color: var(--pcc-text-muted);
}

.pcc-builder__spinner {
	width: 1.5rem;
	height: 1.5rem;
	border: 3px solid var(--pcc-border);
	border-top-color: var(--pcc-primary);
	border-radius: 50%;
	animation: pcc-spin 0.6s linear infinite;
}

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

/* ==========================================================================
   Product grid
   ========================================================================== */

.pcc-builder__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 1rem;
}

/* ==========================================================================
   Product card
   ========================================================================== */

.pcc-builder__card {
	display: flex;
	flex-direction: column;
	border: 2px solid var(--pcc-border);
	border-radius: var(--pcc-card-radius);
	background: var(--pcc-bg);
	cursor: pointer;
	transition: all 0.2s;
	overflow: hidden;
	box-shadow: var(--pcc-card-shadow);
}

.pcc-builder__card:hover {
	box-shadow: var(--pcc-card-shadow-hover);
	border-color: var(--pcc-primary);
}

.pcc-builder__card:focus-visible {
	outline: 2px solid var(--pcc-primary);
	outline-offset: 2px;
}

.pcc-builder__card.is-selected {
	border-color: var(--pcc-selected-border);
	background: var(--pcc-selected-bg);
	box-shadow: 0 0 0 1px var(--pcc-selected-border), var(--pcc-card-shadow);
}

.pcc-builder__card.is-incompatible {
	opacity: 0.5;
	cursor: not-allowed;
	border-color: var(--pcc-incompatible-border);
	background: var(--pcc-incompatible-bg);
}

.pcc-builder__card.is-incompatible:hover {
	box-shadow: var(--pcc-card-shadow);
	border-color: var(--pcc-incompatible-border);
}

.pcc-builder__card.is-out-of-stock {
	opacity: 0.5;
	cursor: not-allowed;
	background: var(--pcc-oos-bg);
}

.pcc-builder__card.is-out-of-stock:hover {
	box-shadow: var(--pcc-card-shadow);
	border-color: var(--pcc-border);
}

/* Card image */
.pcc-builder__card-image {
	position: relative;
	aspect-ratio: 1;
	overflow: hidden;
	background: #f3f4f6;
}

.pcc-builder__card-image img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	padding: 0.5rem;
}

.pcc-builder__card-badge {
	position: absolute;
	top: 0.5rem;
	right: 0.5rem;
	padding: 0.25rem 0.5rem;
	border-radius: 4px;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
}

.pcc-builder__card-badge.is-selected {
	background: var(--pcc-primary);
	color: #fff;
	font-size: 1rem;
	width: 1.75rem;
	height: 1.75rem;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	padding: 0;
}

.pcc-builder__card-badge.is-incompatible {
	background: #ef4444;
	color: #fff;
}

.pcc-builder__card-badge.is-out-of-stock {
	background: #6b7280;
	color: #fff;
}

/* Card body */
.pcc-builder__card-body {
	padding: 0.75rem;
	display: flex;
	flex-direction: column;
	gap: 0.375rem;
	flex: 1;
}

.pcc-builder__card-name {
	font-size: 0.8125rem;
	font-weight: 600;
	margin: 0;
	line-height: 1.3;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.pcc-builder__card-pricing {
	display: flex;
	align-items: baseline;
	gap: 0.5rem;
	margin-top: auto;
}

.pcc-builder__card-price {
	font-size: 1rem;
	font-weight: 700;
	color: var(--pcc-text);
}

.pcc-builder__card-diff {
	font-size: 0.75rem;
	font-weight: 600;
}

.pcc-builder__card-diff.is-positive {
	color: #dc2626;
}

.pcc-builder__card-diff.is-negative {
	color: #16a34a;
}

/* ==========================================================================
   Empty state
   ========================================================================== */

.pcc-builder__empty {
	padding: 3rem 0;
	text-align: center;
	color: var(--pcc-text-muted);
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pcc-builder__pagination {
	display: flex;
	justify-content: center;
	gap: 0.25rem;
	margin-top: 1.5rem;
}

.pcc-builder__page-btn {
	min-width: 2.25rem;
	height: 2.25rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--pcc-border);
	border-radius: 6px;
	background: var(--pcc-bg);
	cursor: pointer;
	font-size: 0.875rem;
	transition: all 0.15s;
}

.pcc-builder__page-btn:hover:not(:disabled) {
	border-color: var(--pcc-primary);
	color: var(--pcc-primary);
}

.pcc-builder__page-btn.is-active {
	background: var(--pcc-primary);
	border-color: var(--pcc-primary);
	color: #fff;
}

.pcc-builder__page-btn:disabled {
	opacity: 0.3;
	cursor: not-allowed;
}

/* ==========================================================================
   Navigation buttons
   ========================================================================== */

.pcc-builder__nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: 1.5rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--pcc-border);
}

.pcc-builder__nav-spacer {
	flex: 1;
}

.pcc-builder__nav-btn {
	padding: 0.625rem 1.5rem;
	border: 1px solid var(--pcc-border);
	border-radius: 6px;
	background: var(--pcc-bg);
	cursor: pointer;
	font-size: 0.9375rem;
	font-weight: 600;
	transition: all 0.15s;
}

.pcc-builder__nav-btn:hover {
	border-color: var(--pcc-primary);
	color: var(--pcc-primary);
}

.pcc-builder__nav-btn--next {
	background: var(--pcc-primary);
	border-color: var(--pcc-primary);
	color: #fff;
}

.pcc-builder__nav-btn--next:hover {
	background: var(--pcc-primary-hover);
	color: #fff;
}

.pcc-builder__nav-btn--cart {
	background: var(--pcc-primary);
	border-color: var(--pcc-primary);
	color: #fff;
	padding: 0.75rem 2rem;
}

.pcc-builder__nav-btn--cart:hover {
	background: var(--pcc-primary-hover);
	color: #fff;
}

.pcc-builder__nav-btn--cart:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.pcc-builder__sidebar {
	position: sticky;
	top: 2rem;
	align-self: start;
	background: var(--pcc-sidebar-bg);
	border: 1px solid var(--pcc-border);
	border-radius: var(--pcc-card-radius);
	padding: 1.25rem;
}

.pcc-builder__sidebar-title {
	font-size: 1rem;
	font-weight: 700;
	margin: 0 0 1rem;
	padding-bottom: 0.75rem;
	border-bottom: 1px solid var(--pcc-border);
}

.pcc-builder__summary {
	display: flex;
	flex-direction: column;
	gap: 0;
}

.pcc-builder__summary-item {
	padding: 0.5rem 0;
	border-bottom: 1px solid var(--pcc-border);
	cursor: pointer;
	transition: background 0.15s;
}

.pcc-builder__summary-item:hover {
	background: rgba(0, 0, 0, 0.02);
}

.pcc-builder__summary-item.is-active {
	background: var(--pcc-selected-bg);
	margin: 0 -1.25rem;
	padding-left: 1.25rem;
	padding-right: 1.25rem;
}

.pcc-builder__summary-label {
	display: flex;
	gap: 0.25rem;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--pcc-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.pcc-builder__summary-value {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-top: 0.25rem;
}

.pcc-builder__summary-name {
	flex: 1;
	font-size: 0.8125rem;
	font-weight: 500;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.pcc-builder__summary-price {
	font-size: 0.8125rem;
	font-weight: 700;
	white-space: nowrap;
}

.pcc-builder__summary-remove {
	border: none;
	background: none;
	color: #ef4444;
	cursor: pointer;
	font-size: 1rem;
	padding: 0 0.25rem;
	line-height: 1;
}

.pcc-builder__summary-remove:hover {
	color: #dc2626;
}

.pcc-builder__summary-empty {
	margin-top: 0.25rem;
	font-size: 0.75rem;
	color: var(--pcc-text-muted);
	font-style: italic;
}

.pcc-builder__summary-item.is-empty {
	opacity: 0.6;
}

/* Assembly */
.pcc-builder__summary-assembly {
	display: flex;
	justify-content: space-between;
	padding: 0.75rem 0 0.5rem;
	font-size: 0.875rem;
	color: var(--pcc-text-muted);
}

/* Total */
.pcc-builder__summary-total {
	display: flex;
	justify-content: space-between;
	padding: 0.75rem 0 0;
	border-top: 2px solid var(--pcc-text);
	font-size: 1.125rem;
}

/* Mobile cart button in sidebar */
.pcc-builder__sidebar-cart {
	display: none;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
	.pcc-builder__content {
		grid-template-columns: 1fr 280px;
		gap: 1.5rem;
	}

	.pcc-builder__grid {
		grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
	}
}

@media (max-width: 768px) {
	.pcc-builder__content {
		grid-template-columns: 1fr;
	}

	.pcc-builder__stepper {
		gap: 0;
		padding-bottom: 0;
	}

	.pcc-builder__step-label {
		display: none;
	}

	.pcc-builder__grid {
		grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
		gap: 0.75rem;
	}

	.pcc-builder__card-name {
		font-size: 0.75rem;
	}

	.pcc-builder__card-price {
		font-size: 0.875rem;
	}

	/* Sidebar becomes fixed bottom bar on mobile */
	.pcc-builder__sidebar {
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		z-index: 1000;
		border-radius: var(--pcc-card-radius) var(--pcc-card-radius) 0 0;
		box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
		max-height: 60vh;
		overflow-y: auto;
		padding: 1rem;
	}

	.pcc-builder__sidebar-cart {
		display: block;
		width: 100%;
		margin-top: 0.75rem;
		padding: 0.75rem;
		background: var(--pcc-primary);
		border: none;
		border-radius: 6px;
		color: #fff;
		font-size: 1rem;
		font-weight: 700;
		cursor: pointer;
	}

	.pcc-builder__sidebar-cart:disabled {
		opacity: 0.5;
		cursor: not-allowed;
	}

	/* Add padding at bottom of main content for fixed sidebar */
	.pcc-builder__main {
		padding-bottom: 200px;
	}
}