/* Spring Configurator — Main Frontend CSS */
:root {
	--sc-primary:     #1a56db;
	--sc-primary-dk:  #1041b3;
	--sc-accent:      #e34000;
	--sc-bg:          #f8fafc;
	--sc-card:        #ffffff;
	--sc-border:      #e2e8f0;
	--sc-text:        #1e293b;
	--sc-muted:       #64748b;
	--sc-success:     #16a34a;
	--sc-warn:        #d97706;
	--sc-error:       #dc2626;
	--sc-radius:      12px;
	--sc-font:        'Vazirmatn', Tahoma, Arial, sans-serif;
	--sc-shadow:      0 4px 20px rgba(0,0,0,.08);
	--sc-transition:  0.22s ease;
}

/* ─── Base ──────────────────────────────────────────────── */
.sc-wrap * {
	box-sizing: border-box;
	font-family: var(--sc-font);
}

.sc-wrap {
	direction: rtl;
	max-width: 1200px;
	margin: 0 auto;
	padding: 16px;
	color: var(--sc-text);
}

/* ─── Layout: Desktop 50/50 ─────────────────────────────── */
.sc-layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
	align-items: start;
}

.sc-viewer-col {
	position: sticky;
	top: 80px;
}

@media (max-width: 768px) {
	.sc-layout {
		grid-template-columns: 1fr;
		gap: 0;
	}
	.sc-viewer-col {
		position: sticky;
		top: 0;
		z-index: 10;
		background: var(--sc-bg);
		padding-bottom: 8px;
	}
}

/* ─── Viewer Container ───────────────────────────────────── */
.sc-viewer-3d-wrap {
	background: #fff;
	border: 1px solid var(--sc-border);
	border-radius: var(--sc-radius);
	overflow: hidden;
	box-shadow: var(--sc-shadow);
}

#sc-viewer-3d {
	width: 100%;
	height: 350px;
	cursor: grab;
}
#sc-viewer-3d:active { cursor: grabbing; }

@media (max-width: 768px) {
	#sc-viewer-3d { height: 220px; }
}

.sc-viewer-tabs {
	display: flex;
	border-bottom: 1px solid var(--sc-border);
}
.sc-viewer-tab {
	flex: 1;
	padding: 8px;
	border: none;
	background: none;
	cursor: pointer;
	font-family: var(--sc-font);
	font-size: 13px;
	color: var(--sc-muted);
	transition: var(--sc-transition);
}
.sc-viewer-tab.active {
	color: var(--sc-primary);
	border-bottom: 2px solid var(--sc-primary);
	font-weight: 600;
}

.sc-viewer-panel { display: none; }
.sc-viewer-panel.active { display: block; }

#sc-viewer-2d {
	width: 100%;
	height: 220px;
	display: block;
}

/* ─── Progress / Steps ───────────────────────────────────── */
.sc-progress-track {
	height: 4px;
	background: var(--sc-border);
	border-radius: 99px;
	margin-bottom: 20px;
	overflow: hidden;
}
#sc-progress-bar {
	height: 100%;
	background: var(--sc-primary);
	transition: width var(--sc-transition);
	border-radius: 99px;
}

.sc-step-indicators {
	display: flex;
	gap: 4px;
	margin-bottom: 24px;
	justify-content: center;
}
.sc-step-indicator {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
	flex: 1;
	cursor: pointer;
}
.sc-step-indicator__dot {
	width: 28px; height: 28px;
	border-radius: 50%;
	background: var(--sc-border);
	display: flex; align-items: center; justify-content: center;
	font-size: 12px; font-weight: 700;
	transition: var(--sc-transition);
	border: 2px solid transparent;
}
.sc-step-indicator.active .sc-step-indicator__dot {
	background: var(--sc-primary);
	color: #fff;
}
.sc-step-indicator.done .sc-step-indicator__dot {
	background: var(--sc-success);
	color: #fff;
}
.sc-step-indicator__label {
	font-size: 10px;
	color: var(--sc-muted);
	text-align: center;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	max-width: 60px;
}
.sc-step-indicator.active .sc-step-indicator__label { color: var(--sc-primary); font-weight: 600; }

/* ─── Step panels ────────────────────────────────────────── */
.sc-step { display: none; }
.sc-step--active { display: block; }

.sc-step__title {
	font-size: 18px;
	font-weight: 700;
	margin: 0 0 4px;
}
.sc-step__desc {
	font-size: 13px;
	color: var(--sc-muted);
	margin: 0 0 20px;
}

/* ─── Cards / Choice grids ───────────────────────────────── */
.sc-choice-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
}
@media (max-width: 480px) {
	.sc-choice-grid { grid-template-columns: 1fr; }
}

.sc-choice-card {
	border: 2px solid var(--sc-border);
	border-radius: var(--sc-radius);
	padding: 16px;
	cursor: pointer;
	transition: var(--sc-transition);
	text-align: center;
	background: var(--sc-card);
	position: relative;
}
.sc-choice-card:hover {
	border-color: var(--sc-primary);
	box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.sc-choice-card input[type=radio] {
	position: absolute;
	opacity: 0; width: 0; height: 0;
}
.sc-choice-card input[type=radio]:checked + .sc-choice-card__inner {
	/* parent card gets selected class via JS */
}
.sc-choice-card.selected {
	border-color: var(--sc-primary);
	background: #eff6ff;
}
.sc-choice-card__icon {
	font-size: 32px;
	margin-bottom: 8px;
	display: block;
}
.sc-choice-card__title { font-weight: 700; font-size: 15px; }
.sc-choice-card__sub   { font-size: 12px; color: var(--sc-muted); margin-top: 2px; }

/* Material cards */
.sc-mat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: 10px;
}
.sc-mat-card {
	border: 2px solid var(--sc-border);
	border-radius: 8px;
	padding: 12px;
	cursor: pointer;
	transition: var(--sc-transition);
	background: #fff;
}
.sc-mat-card:hover { border-color: var(--sc-primary); }
.sc-mat-card.selected { border-color: var(--sc-primary); background: #eff6ff; }
.sc-mat-swatch {
	width: 32px; height: 32px;
	border-radius: 50%;
	margin: 0 auto 8px;
	border: 2px solid rgba(0,0,0,.1);
}
.sc-mat-name-fa { font-weight: 700; font-size: 13px; text-align: center; }
.sc-mat-name-en { font-size: 10px; color: var(--sc-muted); text-align: center; }

/* ─── Dimension inputs ───────────────────────────────────── */
.sc-dim-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}
@media (max-width: 480px) { .sc-dim-grid { grid-template-columns: 1fr; } }

.sc-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.sc-field label {
	font-size: 13px;
	font-weight: 600;
	color: var(--sc-text);
}
.sc-field small {
	font-size: 11px;
	color: var(--sc-muted);
	display: block;
}

.sc-number-wrap {
	position: relative;
}
.sc-number-wrap input[type=number] {
	width: 100%;
	border: 1.5px solid var(--sc-border);
	border-radius: 8px;
	padding: 10px 44px 10px 12px;
	font-family: var(--sc-font);
	font-size: 15px;
	color: var(--sc-text);
	background: #fff;
	transition: border var(--sc-transition);
	-moz-appearance: textfield;
}
.sc-number-wrap input:focus {
	outline: none;
	border-color: var(--sc-primary);
	box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.sc-number-wrap input:read-only {
	background: #f1f5f9;
	color: var(--sc-muted);
}
.sc-number-unit {
	position: absolute;
	left: 12px; top: 50%;
	transform: translateY(-50%);
	font-size: 12px;
	color: var(--sc-muted);
	pointer-events: none;
}

.sc-id-display {
	background: #f1f5f9;
	border: 1.5px dashed var(--sc-border);
	border-radius: 8px;
	padding: 10px 12px;
	font-size: 14px;
	color: var(--sc-muted);
	display: flex;
	align-items: center;
	gap: 6px;
}

/* Expert mode toggle */
.sc-expert-toggle {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-top: 8px;
	font-size: 12px;
	color: var(--sc-muted);
	cursor: pointer;
}

/* ─── Navigation buttons ─────────────────────────────────── */
.sc-nav {
	display: flex;
	justify-content: space-between;
	margin-top: 28px;
	gap: 12px;
}
.sc-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 11px 22px;
	border-radius: 8px;
	font-family: var(--sc-font);
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	border: none;
	transition: var(--sc-transition);
}
.sc-btn--primary {
	background: var(--sc-primary);
	color: #fff;
}
.sc-btn--primary:hover { background: var(--sc-primary-dk); }
.sc-btn--secondary {
	background: #fff;
	color: var(--sc-text);
	border: 1.5px solid var(--sc-border);
}
.sc-btn--secondary:hover { border-color: var(--sc-primary); color: var(--sc-primary); }
.sc-btn--cart {
	background: var(--sc-success);
	color: #fff;
	flex: 1;
	justify-content: center;
	font-size: 16px;
}
.sc-btn--cart:hover { background: #15803d; }
.sc-btn--rfq {
	background: #fff;
	color: var(--sc-accent);
	border: 1.5px solid var(--sc-accent);
}
.sc-rfq-btn--primary {
	background: var(--sc-accent);
	color: #fff;
}

/* ─── Price summary ──────────────────────────────────────── */
.sc-price-box {
	background: var(--sc-bg);
	border: 1.5px solid var(--sc-border);
	border-radius: var(--sc-radius);
	padding: 20px;
}
.sc-price-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 6px 0;
	border-bottom: 1px solid var(--sc-border);
	font-size: 14px;
}
.sc-price-row:last-child { border-bottom: none; }
.sc-price-row strong { font-size: 18px; color: var(--sc-primary); }

.sc-range-errors {
	background: #fef2f2;
	border: 1px solid #fca5a5;
	border-radius: 8px;
	padding: 12px 16px;
	margin: 12px 0;
}
.sc-range-errors li { font-size: 13px; color: var(--sc-error); margin: 2px 0; }

/* ─── Cart actions (post add-to-cart) ───────────────────── */
.sc-cart-actions {
	display: flex;
	gap: 10px;
	margin-top: 12px;
}
.sc-hidden { display: none !important; }

/* ─── File upload ────────────────────────────────────────── */
.sc-file-area {
	border: 2px dashed var(--sc-border);
	border-radius: 10px;
	padding: 20px;
	text-align: center;
	cursor: pointer;
	transition: var(--sc-transition);
}
.sc-file-area:hover, .sc-file-area.dragover {
	border-color: var(--sc-primary);
	background: #eff6ff;
}
.sc-file-area input[type=file] { display: none; }
.sc-file-hint { font-size: 12px; color: var(--sc-muted); margin-top: 6px; }

/* ─── Modal ──────────────────────────────────────────────── */
.sc-modal {
	display: none;
	position: fixed; inset: 0; z-index: 9999;
	background: rgba(0,0,0,.5);
	align-items: center;
	justify-content: center;
	padding: 16px;
}
.sc-modal--open { display: flex; }
.sc-modal__box {
	background: #fff;
	border-radius: var(--sc-radius);
	padding: 28px;
	width: 100%;
	max-width: 500px;
	max-height: 90vh;
	overflow-y: auto;
	direction: rtl;
}
.sc-modal__header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 20px;
}
.sc-modal__close {
	background: none;
	border: none;
	font-size: 20px;
	cursor: pointer;
	color: var(--sc-muted);
}

/* ─── Toast ──────────────────────────────────────────────── */
.sc-toast {
	position: fixed;
	bottom: 24px;
	left: 50%;
	transform: translateX(-50%) translateY(100px);
	background: #1e293b;
	color: #fff;
	padding: 12px 24px;
	border-radius: 99px;
	font-family: var(--sc-font);
	font-size: 14px;
	z-index: 99999;
	transition: transform 0.3s ease;
	pointer-events: none;
}
.sc-toast--show { transform: translateX(-50%) translateY(0); }
.sc-toast--success { background: var(--sc-success); }
.sc-toast--error   { background: var(--sc-error);   }

/* ─── Quick order (deep link mode) ──────────────────────── */
.sc-quick-wrap {
	max-width: 900px;
	margin: 0 auto;
	padding: 20px;
	direction: rtl;
}
.sc-quick-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 14px;
	border-radius: 99px;
	font-size: 13px;
	font-weight: 600;
	margin-bottom: 16px;
}
.sc-badge--ok   { background: #dcfce7; color: var(--sc-success); }
.sc-badge--warn { background: #fef3c7; color: var(--sc-warn); }

.sc-quick-grid {
	display: grid;
	grid-template-columns: 55% 1fr;
	gap: 24px;
}
@media (max-width: 680px) {
	.sc-quick-grid { grid-template-columns: 1fr; }
}

.sc-quick-svg-wrap {
	background: #f8fafc;
	border: 1px solid var(--sc-border);
	border-radius: var(--sc-radius);
	overflow: hidden;
}
.sc-quick-svg-wrap svg { width: 100%; height: auto; display: block; }

.sc-spec-list {
	list-style: none;
	margin: 0; padding: 0;
}
.sc-spec-list li {
	display: flex;
	justify-content: space-between;
	padding: 8px 0;
	border-bottom: 1px solid var(--sc-border);
	font-size: 14px;
}
.sc-spec-list li:last-child { border-bottom: none; }
.sc-spec-list .sc-spec-label { color: var(--sc-muted); }
.sc-spec-list .sc-spec-val   { font-weight: 600; }

/* ─── Breadcrumb ─────────────────────────────────────────── */
.sc-breadcrumb {
	display: flex;
	gap: 6px;
	align-items: center;
	flex-wrap: wrap;
	font-size: 13px;
	color: var(--sc-muted);
	margin-bottom: 20px;
}
.sc-breadcrumb a { color: var(--sc-primary); text-decoration: none; }
.sc-breadcrumb a:hover { text-decoration: underline; }
.sc-breadcrumb span { color: var(--sc-muted); }