.mb-app {
	--mb-bg: #ffffff;
	--mb-fg: #16181d;
	--mb-muted: #6b7280;
	--mb-border: #e5e7eb;
	--mb-card: #fafafa;
	--mb-primary: #16181d;
	--mb-primary-fg: #ffffff;
	--mb-danger: #dc2626;
	--mb-radius: 10px;

	max-width: 640px;
	margin: 0 auto;
	padding: 32px 16px;
	font-family: 'Vazirmatn', Tahoma, Arial, sans-serif;
	color: var(--mb-fg);
	background: var(--mb-bg);
	box-sizing: border-box;
}

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

.mb-heading {
	font-size: 28px;
	font-weight: 800;
	text-align: center;
	margin: 0 0 8px;
}

.mb-subheading {
	font-size: 14px;
	color: var(--mb-muted);
	text-align: center;
	margin: 0 0 28px;
}

.mb-eyebrow {
	font-size: 13px;
	color: var(--mb-muted);
	margin: 0 0 4px;
}

.mb-device-title {
	font-size: 24px;
	font-weight: 800;
	margin: 0 0 24px;
}

/* ---- Buttons ---- */
.mb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 52px;
	width: 100%;
	border-radius: var(--mb-radius);
	border: none;
	font-family: inherit;
	font-size: 17px;
	font-weight: 700;
	cursor: pointer;
	transition: opacity .15s ease;
}

.mb-primary-btn {
	background: var(--mb-primary);
	color: var(--mb-primary-fg);
}

.mb-primary-btn:hover:not(:disabled) {
	opacity: .9;
}

.mb-primary-btn:disabled {
	opacity: .3;
	cursor: not-allowed;
}

.mb-link-btn,
.mb-back-btn {
	background: none;
	border: none;
	color: var(--mb-muted);
	font-family: inherit;
	font-size: 14px;
	cursor: pointer;
	padding: 8px 0;
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.mb-link-btn:hover,
.mb-back-btn:hover {
	color: var(--mb-fg);
}

/* ---- Step 1: search ---- */
.mb-search-box {
	position: relative;
	margin-bottom: 16px;
}

.mb-search-input {
	width: 100%;
	height: 52px;
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	padding: 0 16px;
	font-family: inherit;
	font-size: 15px;
	background: var(--mb-bg);
	color: var(--mb-fg);
}

.mb-search-input:focus {
	outline: none;
	border-color: var(--mb-fg);
}

.mb-search-results {
	list-style: none;
	margin: 8px 0 0;
	padding: 0;
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	overflow: hidden;
}

.mb-result-item {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 16px;
	cursor: pointer;
	border-bottom: 1px solid var(--mb-border);
}

.mb-result-item:last-child {
	border-bottom: none;
}

.mb-result-item:hover,
.mb-result-item:focus {
	background: var(--mb-card);
	outline: none;
}

.mb-result-brand {
	font-weight: 700;
	font-size: 14px;
}

.mb-result-model {
	font-size: 14px;
	color: var(--mb-muted);
}

.mb-step-search {
	text-align: center;
}

.mb-step-search .mb-search-box {
	text-align: right;
}

/* ---- Step 2: condition ---- */
.mb-condition-group {
	margin-bottom: 28px;
}

.mb-condition-group h3 {
	font-size: 14px;
	font-weight: 700;
	margin: 0 0 12px;
}

.mb-options {
	display: grid;
	gap: 8px;
}

.mb-option {
	text-align: right;
	padding: 12px 16px;
	border-radius: var(--mb-radius);
	border: 1px solid var(--mb-border);
	background: var(--mb-card);
	font-family: inherit;
	cursor: pointer;
	transition: all .15s ease;
}

.mb-option:hover {
	border-color: #9ca3af;
}

.mb-option.is-selected {
	border-color: var(--mb-fg);
	background: rgba(0,0,0,0.03);
	box-shadow: 0 0 0 1px var(--mb-fg) inset;
}

.mb-opt-title {
	display: block;
	font-size: 14px;
	font-weight: 600;
}

.mb-opt-desc {
	display: block;
	font-size: 12px;
	color: var(--mb-muted);
	margin-top: 2px;
}

/* ---- Step 3: result ---- */
.mb-step-result {
	text-align: center;
}

.mb-price-card {
	background: var(--mb-card);
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	padding: 32px;
	margin-bottom: 20px;
}

.mb-price-card-label {
	font-size: 14px;
	color: var(--mb-muted);
	margin: 0 0 16px;
}

.mb-price-range {
	display: flex;
	align-items: baseline;
	justify-content: center;
	gap: 12px;
	font-weight: 900;
}

.mb-price-low,
.mb-price-high {
	font-size: 34px;
}

.mb-price-sep {
	font-size: 15px;
	color: var(--mb-muted);
	font-weight: 400;
}

.mb-price-unit {
	font-size: 13px;
	color: var(--mb-muted);
	margin: 10px 0 0;
}

.mb-unknown-msg {
	font-size: 18px;
	font-weight: 700;
	line-height: 1.7;
	margin: 0;
}

.mb-result-note {
	font-size: 12px;
	color: var(--mb-muted);
	line-height: 1.8;
	max-width: 420px;
	margin: 0 auto 32px;
}

/* ---- Contact form ---- */
.mb-contact-form {
	background: var(--mb-card);
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	padding: 24px;
	margin-bottom: 20px;
	text-align: right;
}

.mb-form-header {
	text-align: center;
	margin-bottom: 20px;
}

.mb-form-header h3 {
	font-size: 19px;
	font-weight: 800;
	margin: 0 0 6px;
}

.mb-form-header p {
	font-size: 13px;
	color: var(--mb-muted);
	margin: 0;
}

.mb-field {
	margin-bottom: 18px;
}

.mb-field label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	margin-bottom: 6px;
}

.mb-field input,
.mb-field textarea {
	width: 100%;
	border: 1px solid var(--mb-border);
	border-radius: 8px;
	padding: 12px 14px;
	font-family: inherit;
	font-size: 14px;
	background: var(--mb-bg);
	color: var(--mb-fg);
}

.mb-field textarea {
	min-height: 96px;
	resize: none;
	line-height: 1.7;
}

.mb-field input:focus,
.mb-field textarea:focus {
	outline: none;
	border-color: var(--mb-fg);
}

.mb-error {
	color: var(--mb-danger);
	font-size: 12.5px;
	margin: 6px 0 0;
	min-height: 1px;
}

.mb-request-number-box {
	margin-top: 18px;
	border: 1px solid var(--mb-border);
	border-radius: 8px;
	padding: 16px;
	text-align: center;
	background: var(--mb-bg);
}

.mb-request-number-box p:first-child {
	font-size: 13px;
	color: var(--mb-muted);
	margin: 0 0 6px;
}

.mb-request-number {
	font-size: 22px;
	font-weight: 900;
	margin: 0;
}

.mb-track-link {
	display: inline-block;
	margin-top: 10px;
	font-size: 13px;
	color: var(--mb-fg);
	text-decoration: underline;
}

/* ---- Status shortcode ---- */
.mb-status-app .mb-status-form {
	background: var(--mb-card);
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	padding: 24px;
	text-align: right;
}

.mb-status-result {
	margin-top: 20px;
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	padding: 24px;
	text-align: center;
}

.mb-status-result-label {
	font-size: 13px;
	color: var(--mb-muted);
	margin: 0 0 8px;
}

.mb-status-result-status {
	font-size: 22px;
	font-weight: 900;
	margin: 0 0 14px;
}

.mb-status-result-device {
	margin: 0 0 12px;
}

.mb-status-result-price {
	font-size: 16px;
	font-weight: 700;
	margin: 0;
}

@media (max-width: 480px) {
	.mb-price-low,
	.mb-price-high {
		font-size: 26px;
	}
}

/* ---- Photo upload (status page) ---- */
.mb-photo-upload {
	margin-top: 20px;
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	padding: 20px;
	text-align: center;
}

.mb-photo-upload h3 {
	margin: 0 0 6px;
	font-size: 16px;
	font-weight: 800;
}

.mb-photo-upload .description {
	font-size: 12.5px;
	color: var(--mb-muted);
	margin: 0 0 16px;
	line-height: 1.8;
}

.mb-photo-gallery {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
	margin-bottom: 16px;
}

.mb-photo-thumb-wrap {
	position: relative;
	width: 76px;
	height: 76px;
}

.mb-photo-thumb {
	display: block;
	width: 76px;
	height: 76px;
	border-radius: 8px;
	overflow: hidden;
	border: 1px solid var(--mb-border);
}

.mb-photo-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.mb-photo-delete {
	position: absolute;
	top: -7px;
	right: -7px;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	border: 1px solid var(--mb-border);
	background: var(--mb-bg);
	color: var(--mb-danger);
	font-size: 15px;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	padding: 0;
}

.mb-photo-delete:hover {
	background: var(--mb-danger);
	color: #fff;
	border-color: var(--mb-danger);
}

.mb-photo-upload-label {
	cursor: pointer;
	width: auto;
	display: inline-flex;
	padding: 0 24px;
}

.mb-photo-upload-label.is-disabled {
	opacity: .5;
	cursor: not-allowed;
	pointer-events: none;
}