.quiz-container {
    width: 90%;
    max-width: 900px;
    margin: 25px auto 60px;
    text-align: left;
    font-family: Museo, Verdana, Arial, sans-serif;
}

.quiz-intro,
.quiz-empty {
    text-align: center;
    font-size: 20px;
    line-height: 1.5;
}

.quiz-question {
    margin: 22px 0;
    padding: 20px;
    border: 2px solid #d8d8d8;
    border-radius: 12px;
    background: #fff;
}

.quiz-question legend {
    padding: 0 8px;
    color: #005389;
    font-size: 22px;
    font-weight: bold;
    line-height: 1.35;
}

.quiz-options label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 10px 0;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1.35;
}

.quiz-options label:hover {
    background: #f2f7fa;
}

.quiz-options input[type="radio"] {
    width: 20px;
    height: 20px;
    margin: 2px 0 0;
    flex: 0 0 auto;
}

.quiz-options label.quiz-correct {
    border-color: #2e7d32;
    background: #e8f5e9;
    color: #1b5e20;
}

.quiz-options label.quiz-incorrect {
    border-color: #c62828;
    background: #ffebee;
    color: #8e0000;
}

.quiz-explanation {
    display: none;
    margin: 14px 0 0;
    padding: 12px;
    border-left: 4px solid #005389;
    background: #eef6fb;
    font-size: 16px;
    line-height: 1.4;
}

.quiz-answered .quiz-explanation {
    display: block;
}

.quiz-button {
    display: block;
    min-width: 220px;
    margin: 24px auto;
    padding: 14px 24px;
    border: 0;
    border-radius: 8px;
    background: #005389;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.quiz-button:hover,
.quiz-button:focus {
    background: #003b63;
}

.quiz-button-secondary {
    background: #555;
}

.quiz-result {
    margin: 28px auto 10px;
    padding: 22px;
    border-radius: 12px;
    background: #eef6fb;
    color: #003b63;
    text-align: center;
    font-size: 22px;
    line-height: 1.4;
}

.quiz-result[hidden],
.quiz-button[hidden] {
    display: none;
}

.quiz-mobile-page {
    padding-bottom: 100px;
}

@media (max-width: 600px) {
    .quiz-container {
        width: 100%;
        margin-top: 15px;
    }

    .quiz-intro,
    .quiz-empty {
        font-size: 16px;
    }

    .quiz-question {
        padding: 14px 10px;
    }

    .quiz-question legend {
        font-size: 18px;
    }

    .quiz-options label {
        font-size: 16px;
        padding: 10px;
    }

    .quiz-result {
        font-size: 18px;
    }
}