:root {
	--quiz-primary: #eea412;
	--quiz-primary-hover: #194d76;
	--quiz-primary-soft: #edf5fb;
	--quiz-text: #243443;
	--quiz-muted: #637381;
	--quiz-border: #d9e3ea;
	--quiz-surface: #ffffff;
	--quiz-surface-soft: #f7fafc;
	--quiz-correct: #207a45;
	--quiz-correct-soft: #edf8f1;
	--quiz-incorrect: #b23a32;
	--quiz-incorrect-soft: #fff1ef;
	--quiz-warning: #8a5a00;
	--quiz-warning-soft: #fff8e6;
	--quiz-radius-sm: 8px;
	--quiz-radius-md: 12px;
	--quiz-radius-lg: 18px;
	--quiz-shadow: 0 8px 28px rgba(31, 51, 68, 0.08);
	--quiz-max-width: 820px;
}

.quiz-option.is-selected {
	border-color: var(--quiz-primary);
	background-color: antiquewhite;
}

* {
	box-sizing: border-box;
}

.quiz-option-button.is-selected {
	background: var(--quiz-primary-soft);
	border-color: var(--quiz-primary);
	color: var(--quiz-primary-dark);
	box-shadow: 0 0 0 2px rgba(36, 95, 143, 0.08);
}

.quiz-shell {
	width: min(100%, var(--quiz-max-width));
	margin: 0 auto;
	background: var(--quiz-surface);
	border: 1px solid var(--quiz-border);
	border-radius: var(--quiz-radius-lg);
	box-shadow: var(--quiz-shadow);
	overflow: hidden;
}

.quiz-header {
	padding: clamp(24px, 5vw, 40px) clamp(20px, 5vw, 42px) 24px;
	text-align: center;
	border-bottom: 1px solid var(--quiz-border);
}

.quiz-eyebrow {
	margin: 0 0 6px;
	color: var(--quiz-primary);
	font-size: 0.78 rem;
	font-weight: 800;
	letter-spacing: 0.09em;
	text-transform: uppercase;
}

h1 {
	margin: 0;
	color: var(--quiz-text);
	font-size: clamp(1.65rem, 4vw, 2.25rem);
	line-height: 1.2;
}

.quiz-instructions {
	max-width: 80%;
	margin: 12px auto 0;
	color: var(--quiz-muted);
	font-size: 1rem;
}

.quiz-progress-wrap {
	padding: 16px clamp(20px, 5vw, 42px) 0;
}

.quiz-progress-meta {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 7px;
	color: var(--quiz-muted);
	font-size: 0.84 rem;
	font-weight: 700;
}

.quiz-progress {
	height: 7px;
	background: #e9eff4;
	border-radius: 999px;
	overflow: hidden;
}

.quiz-progress-bar {
	width: 0;
	height: 100%;
	background: var(--quiz-primary);
	border-radius: inherit;
	transition: width 180ms ease;
}

.quiz-content {
	padding: 20px clamp(20px, 5vw, 42px) clamp(26px, 5vw, 42px);
}

.quiz-question {
	padding: 20px 0;
	border-bottom: 1px solid var(--quiz-border);
}

.quiz-question:last-child {
	border-bottom: 0;
}

.quiz-question.is-correct, .quiz-question.is-incorrect, .quiz-question.is-unanswered {
	margin: 10px -14px;
	padding: 18px 14px;
	border: 1px solid transparent;
	border-radius: var(--quiz-radius-md);
}

.quiz-question.is-correct {
	background: var(--quiz-correct-soft);
	border-color: #bde2ca;
}

.quiz-question.is-incorrect {
	background: var(--quiz-incorrect-soft);
	border-color: #f1c3bf;
}

.quiz-question.is-unanswered {
	background: var(--quiz-warning-soft);
	border-color: #ecd89e;
}

.quiz-question-text {
	margin: 0 0 13px;
	font-size: 16px !important;
	font-weight: 750;
}

.quiz-number {
	color: var(--quiz-primary);
	margin-right: 5px;
}

.quiz-options {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
}

.quiz-option {
	position: relative;
	display: flex;
	align-items: center;
	min-height: 48px;
	padding: 11px 13px;
	background: var(--quiz-surface);
	border: 1px solid var(--quiz-border);
	border-radius: var(--quiz-radius-sm);
	cursor: pointer;
	transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.quiz-option:hover {
	border-color: var(--quiz-primary);
	background: var(--quiz-primary-soft);
}

.quiz-option:active {
	transform: translateY(1px);
}

.quiz-option input {
	width: 18px;
	height: 18px;
	margin: 0 10px 0 0;
	accent-color: var(--quiz-primary);
	flex: 0 0 auto;
}

.quiz-option:has(input:checked) {
	border-color: var(--quiz-primary);
	background: var(--quiz-primary-soft);
	box-shadow: inset 0 0 0 1px var(--quiz-primary);
}

.quiz-feedback {
	min-height: 0;
	margin-top: 10px;
	font-size: 0.92 rem;
	font-weight: 650;
}

.quiz-feedback.correct {
	color: var(--quiz-correct);
}
.quiz-feedback.incorrect {
	color: var(--quiz-incorrect);
}
.quiz-feedback.unanswered {
	color: var(--quiz-warning);
}

.quiz-actions {
	display: flow;
	flex-wrap: wrap;
	gap: 10px;
	padding-top: 24px;
	text-align: center;
}

.quiz-button {
	min-height: 46px;
	padding: 11px 18px;
	border: 1px solid transparent;
	border-radius: var(--quiz-radius-sm);
	font: inherit;
	font-size: 0.96 rem;
	font-weight: 750;
	cursor: pointer;
	transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.quiz-button:hover {
	transform: translateY(-1px);
}
.quiz-button:active {
	transform: translateY(0);
}
.quiz-button:focus-visible, .quiz-option:focus-within {
	outline: 3px solid rgba(36, 95, 143, 0.24);
	outline-offset: 2px;
}

.quiz-button-primary {
	background: var(--quiz-primary);
	color: #fff;
}

.quiz-button-primary:hover {
	background: var(--quiz-primary-hover);
}

.quiz-button-secondary {
	background: var(--quiz-surface);
	color: var(--quiz-primary);
	border-color: var(--quiz-primary);
}

.quiz-button-secondary:hover {
	background: var(--quiz-primary-soft);
}

.quiz-results {
	display: none;
	margin-top: 22px;
	padding: 20px;
	border: 1px solid var(--quiz-border);
	border-radius: var(--quiz-radius-md);
	background: var(--quiz-primary-soft);
	text-align: center;
}

.quiz-results.show {
	display: block;
}

.quiz-score {
	margin: 0;
	color: var(--quiz-primary);
	font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.quiz-result-message {
	margin: 6px 0 0;
	color: var(--quiz-text);
}

/* Shared future components: drag-and-drop, inputs, matching, ordering */
.quiz-draggable, .quiz-choice-tile {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 42px;
	padding: 8px 13px;
	background: var(--quiz-primary-soft);
	color: var(--quiz-primary);
	border: 1px solid #b9d3e7;
	border-radius: var(--quiz-radius-sm);
	font-weight: 750;
	cursor: grab;
}

.quiz-drop-zone {
	min-height: 52px;
	padding: 10px;
	background: var(--quiz-surface-soft);
	border: 2px dashed #b8c8d4;
	border-radius: var(--quiz-radius-sm);
}

.quiz-drop-zone.is-active {
	background: var(--quiz-primary-soft);
	border-color: var(--quiz-primary);
}

.quiz-input, .quiz-select {
	min-height: 44px;
	padding: 9px 11px;
	color: var(--quiz-text);
	background: var(--quiz-surface);
	border: 1px solid var(--quiz-border);
	border-radius: var(--quiz-radius-sm);
	font: inherit;
}

.quiz-guide {
	margin: 0 0 12px;
	padding: 16px;
	background: var(--quiz-primary-soft);
	border: 1px solid #cfe1ef;
	border-radius: var(--quiz-radius-md);
}

.quiz-guide-title {
	margin: 0 0 8px;
	color: var(--quiz-primary);
	font-size: 0.98 rem;
	font-weight: 800;
}

.quiz-guide-list {
	display: grid;
	gap: 6px;
	margin: 0;
	padding: 0;
	list-style: none;
	color: var(--quiz-text);
	font-size: 0.94 rem;
}

.quiz-guide-key {
	color: var(--quiz-primary);
	font-weight: 800;
}

@media (max-width: 580px) {
	body {
		padding: 10px;
	}
	.quiz-shell {
		border-radius: 14px;
	}
	.quiz-options {
		grid-template-columns: 1fr;
	}
	.quiz-actions {
		flex-direction: column;
	}
	.quiz-button {
		width: 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		scroll-behavior: auto !important;
		transition: none !important;
	}
}

.speaking-reminder {
	margin: 0 0 18px;
	padding: 10px 14px;
	background: #f7fbff;
	border: 1px solid #d7e8f8;
	border-left: 4px solid #2c6aa0;
	border-radius: 8px;
	color: #234;
	font-size: 15px;
}