.mqb-lesson {
	background: var(--mqb-bg-color, #fbf7ef);
	border: 1px solid var(--mqb-border-color, #e4dccb);
	border-radius: 8px;
	color: var(--mqb-text-color, #24302a);
	font-family: var(--mqb-font-family, inherit);
	font-size: var(--mqb-font-size, 16px);
	margin: 24px 0;
	padding: 24px;
}

.mqb-user-form,
.mqb-result-card {
	background: var(--mqb-card-color, #fffdfa);
	border: 1px solid var(--mqb-border-color, #d8d0c0);
	border-radius: 8px;
	box-shadow: 0 18px 45px rgba(46, 44, 36, 0.08);
	margin: 0 auto 20px;
	max-width: 820px;
	padding: 28px;
}

.mqb-user-fields {
	display: grid;
	gap: 16px;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin-bottom: 18px;
}

.mqb-user-fields label {
	display: block;
	font-weight: 700;
}

.mqb-user-fields span {
	display: block;
	margin-bottom: 6px;
}

.mqb-user-fields input {
	background: #fff;
	border: 1px solid var(--mqb-border-color, #cfc7b7);
	border-radius: 6px;
	box-sizing: border-box;
	min-height: 44px;
	padding: 9px 11px;
	width: 100%;
}

.mqb-quiz-form {
	display: none;
}

.mqb-progress {
	align-items: flex-start;
	counter-reset: none;
	display: grid;
	gap: 10px;
	grid-template-columns: repeat(var(--mqb-steps, 5), minmax(90px, 1fr));
	list-style: none;
	margin: 0 0 30px;
	padding: 0;
}

.mqb-answer-progress {
	background: var(--mqb-border-color, #d8d0c0);
	border-radius: 999px;
	height: 8px;
	margin: -12px 0 24px;
	overflow: hidden;
}

.mqb-answer-progress span {
	background: var(--mqb-accent-color, #687463);
	display: block;
	height: 100%;
	transition: width 0.2s ease;
	width: 0;
}

.mqb-progress li {
	color: color-mix(in srgb, var(--mqb-text-color, #24302a) 50%, #ffffff);
	font-size: 0.84rem;
	font-weight: 700;
	position: relative;
	text-align: center;
}

.mqb-progress li::before {
	background: var(--mqb-border-color, #d7d8d2);
	content: "";
	height: 4px;
	left: -50%;
	position: absolute;
	right: 50%;
	top: 14px;
	z-index: 0;
}

.mqb-progress li:first-child::before {
	display: none;
}

.mqb-progress span {
	align-items: center;
	background: var(--mqb-border-color, #d7d8d2);
	border-radius: 999px;
	color: #fff;
	display: inline-flex;
	height: 30px;
	justify-content: center;
	margin-bottom: 8px;
	position: relative;
	width: 30px;
	z-index: 1;
}

.mqb-progress strong {
	display: block;
	line-height: 1.25;
}

.mqb-progress li.is-active,
.mqb-progress li.is-complete {
	color: var(--mqb-accent-color, #687463);
}

.mqb-progress li.is-active span,
.mqb-progress li.is-complete span,
.mqb-progress li.is-complete::before {
	background: var(--mqb-accent-color, #687463);
}

.mqb-frontend-section {
	display: none;
}

.mqb-frontend-section.is-active {
	display: block;
}

.mqb-section-title {
	margin-bottom: 18px;
}

.mqb-section-title span {
	color: var(--mqb-accent-color, #687463);
	font-size: 0.8rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.mqb-section-title h3 {
	font-size: 1.8rem;
	line-height: 1.2;
	margin: 6px 0 0;
}

.mqb-passage-layout {
	align-items: start;
	display: none;
	gap: 22px;
	grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.mqb-passage-layout.is-active {
	display: grid;
}

.mqb-stage-summary,
.mqb-stage-questions {
	background: var(--mqb-card-color, #fffdfa);
	border: 1px solid var(--mqb-border-color, #d8d0c0);
	border-radius: 8px;
	padding: 20px;
}

.mqb-player {
	display: block;
	margin: 0 0 16px;
	max-width: 100%;
	width: 100%;
}

audio.mqb-player {
	width: 100%;
}

.mqb-summary {
	font-size: 1rem;
	line-height: 1.65;
}

.mqb-frontend-question {
	border: 1px solid var(--mqb-border-color, #e0d8c9);
	border-radius: 8px;
	margin: 0 0 16px;
	padding: 16px;
}

.mqb-frontend-question:last-child {
	margin-bottom: 0;
}

.mqb-rc-name {
	color: var(--mqb-accent-color, #687463);
	font-size: 0.78rem;
	font-weight: 800;
	margin-bottom: 8px;
	text-transform: uppercase;
}

.mqb-frontend-question legend {
	display: table;
	font-weight: 800;
	line-height: 1.35;
	padding: 0 4px;
}

.mqb-answer {
	align-items: center;
	border: 1px solid var(--mqb-border-color, #e2dccf);
	border-radius: 6px;
	cursor: pointer;
	display: flex;
	gap: 10px;
	margin: 10px 0;
	padding: 10px;
}

.mqb-answer:has(input:checked) {
	background: #eef1e9;
	border-color: var(--mqb-accent-color, #687463);
}

.mqb-section-actions {
	display: flex;
	justify-content: flex-end;
	margin-top: 18px;
}

.mqb-submit {
	background: var(--mqb-button-color, #5f695b);
	border: 0;
	border-radius: 6px;
	color: #fff;
	cursor: pointer;
	font-weight: 800;
	min-width: 140px;
	padding: 12px 20px;
}

.mqb-submit:disabled {
	cursor: wait;
	opacity: 0.65;
}

.mqb-final-submit {
	display: none;
}

.mqb-form-message.is-error {
	color: #b32d2e;
	font-weight: 700;
	margin: 14px 0 0;
}

.mqb-score {
	color: var(--mqb-accent-color, #687463);
	font-size: 2.2rem;
	font-weight: 900;
	margin: 8px 0 16px;
}

.mqb-review {
	margin: 16px 0 0;
	padding-left: 22px;
}

.mqb-review li {
	margin-bottom: 14px;
}

.mqb-review span {
	display: block;
	margin-top: 4px;
}

.mqb-review .is-correct {
	color: #19733b;
}

.mqb-review .is-wrong {
	color: #b32d2e;
}

@media (max-width: 800px) {
	.mqb-lesson {
		padding: 16px;
	}

	.mqb-user-fields,
	.mqb-passage-layout {
		grid-template-columns: 1fr;
	}

	.mqb-progress {
		grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
	}
}