/* Estilos para o Quiz */
#quiz-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.quiz-screen {
    display: none;
}

.quiz-screen.active {
    display: block;
}

.quiz-btn {
    background: #2c3e50;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 20px;
    transition: background 0.3s;
}

.quiz-btn:hover {
    background: #34495e;
}

.quiz-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

.quiz-info {
    background: #e8f4f8;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
}

.quiz-progress {
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #ecf0f1;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: #3498db;
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    font-size: 14px;
    color: #7f8c8d;
}

.question-container h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.options-container {
    margin: 20px 0;
}

.option {
    display: block;
    padding: 12px 15px;
    margin: 8px 0;
    background: white;
    border: 2px solid #bdc3c7;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.option:hover {
    background: #f8f9fa;
    border-color: #3498db;
}

.option.selected {
    background: #d6eaf8;
    border-color: #3498db;
}

.option.correct {
    background: #d5f4e6;
    border-color: #27ae60;
}

.option.incorrect {
    background: #fadbd8;
    border-color: #e74c3c;
}

.correct-answer {
    background: #d5f4e6;
    padding: 15px;
    border-radius: 4px;
    margin: 15px 0;
    border-left: 4px solid #27ae60;
}

.score-container {
    text-align: center;
    margin: 30px 0;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: #3498db;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-weight: bold;
}

.score-circle #final-score {
    font-size: 32px;
}

.score-label {
    font-size: 14px;
}

#score-message {
    font-size: 18px;
    margin: 15px 0;
    font-weight: bold;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.stat-label {
    font-size: 14px;
    color: #7f8c8d;
}

.quiz-instructions {
    padding: 20px;
}

.instruction-step {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ecf0f1;
}

.instruction-step h4 {
    color: #2c3e50;
    margin-bottom: 8px;
}

.quiz-tips {
    background: #fff8e1;
    padding: 15px;
    border-radius: 4px;
    margin-top: 20px;
}

.quiz-tips h4 {
    color: #f39c12;
    margin-bottom: 10px;
}

.quiz-tips ul {
    padding-left: 20px;
}

.quiz-tips li {
    margin-bottom: 8px;
}