.utbq-app {
	max-width: 720px;
	margin: 0 auto;
	font-family: inherit;
}
.utbq-title { text-align: center; margin-bottom: 20px; }
.utbq-categories {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	justify-content: center;
}
.utbq-btn {
	background: #1d4ed8;
	color: #fff;
	border: none;
	padding: 14px 22px;
	font-size: 16px;
	border-radius: 8px;
	cursor: pointer;
	transition: background .15s ease;
}
.utbq-btn:hover { background: #1e40af; }
.utbq-btn:disabled { background: #9ca3af; cursor: not-allowed; }
.utbq-btn-secondary { background: #6b7280; }
.utbq-btn-secondary:hover { background: #4b5563; }

.utbq-quiz-header {
	display: flex;
	justify-content: space-between;
	font-weight: 600;
	margin-bottom: 14px;
	color: #374151;
}
.utbq-question-wrap {
	background: #f9fafb;
	border: 1px solid #e5e7eb;
	border-radius: 10px;
	padding: 20px;
}
.utbq-question-text {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 14px;
}
.utbq-question-img { max-width: 100%; margin: 10px 0 16px; border: 1px solid #e5e7eb; border-radius: 6px; }
.utbq-options { display: flex; flex-direction: column; gap: 10px; }
.utbq-option {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	padding: 12px 14px;
	border: 1px solid #d1d5db;
	border-radius: 8px;
	cursor: pointer;
	background: #fff;
	transition: border-color .15s ease, background .15s ease;
}
.utbq-option:hover { border-color: #1d4ed8; }
.utbq-option.selected { border-color: #1d4ed8; background: #eff6ff; }
.utbq-option input { margin-top: 3px; }
.utbq-nav { margin-top: 18px; text-align: right; }

.utbq-peek-wrap { margin-top: 14px; }
.utbq-peek-btn { background: transparent; color: #6b7280; border: 1px solid #d1d5db; padding: 8px 14px; font-size: 13px; }
.utbq-peek-btn:hover { background: #f3f4f6; color: #374151; }
.utbq-peek-result {
	margin-top: 6px;
	padding: 10px 12px;
	background: #fefce8;
	border: 1px solid #fde68a;
	border-radius: 6px;
	font-size: 14px;
	color: #78350f;
}
.utbq-option.is-correct-reveal { border-color: #15803d; background: #f0fdf4; }

.utbq-score { font-size: 22px; font-weight: 700; text-align: center; margin-bottom: 18px; }
.utbq-summary-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }

.utbq-detail-item { border-bottom: 1px solid #e5e7eb; padding: 12px 0; }
.utbq-detail-item.wrong .utbq-detail-q { color: #b91c1c; }
.utbq-detail-item.right .utbq-detail-q { color: #15803d; }
.utbq-detail-q { font-weight: 600; margin-bottom: 4px; }
.utbq-peeked-tag { font-weight: 400; font-size: 12px; color: #b45309; }
.utbq-detail-line { font-size: 14px; color: #374151; }

.utbq-error { color: #b91c1c; text-align: center; padding: 16px; }