.quiz-header {
    max-width: 1200px;
    margin: 3rem auto 2rem;
    padding: 0 2rem;
    text-align: center;
}

.quiz-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.quiz-header p {
    font-size: 1.2rem;
    color: var(--gray);
}

.quiz-selection {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.quiz-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.quiz-category-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.quiz-category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.quiz-category-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.quiz-category-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.start-btn {
    background: linear-gradient(135deg, var(--pink) 0%, var(--yellow) 100%);
    color: var(--white);
    border: none;
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s;
}

.start-btn:hover {
    transform: scale(1.05);
}

/* Quiz Container */
.quiz-container {
    max-width: 800px;
    margin: 2rem auto 4rem;
    padding: 0 2rem;
}

.quiz-progress {
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--pink) 0%, var(--yellow) 100%);
    transition: width 0.3s ease;
    width: 0%;
}

.question-counter {
    text-align: center;
    color: var(--gray);
    font-weight: 500;
}

.question-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

#questionText {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--dark);
    line-height: 1.4;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.option {
    background: var(--light-pink);
    padding: 1.2rem 1.5rem;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s;
    border: 3px solid transparent;
    font-size: 1.1rem;
}

.option:hover {
    transform: translateX(10px);
    border-color: var(--pink);
}

.option.selected {
    background: linear-gradient(135deg, var(--pink) 0%, var(--yellow) 100%);
    color: var(--white);
    border-color: var(--pink);
}

.option.correct {
    background: #90EE90;
    border-color: #228B22;
    color: var(--dark);
}

.option.incorrect {
    background: #FFB6B6;
    border-color: #DC143C;
    color: var(--dark);
}

.option.disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.next-btn {
    background: linear-gradient(135deg, var(--pink) 0%, var(--yellow) 100%);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    width: 100%;
    transition: transform 0.3s;
}

.next-btn:hover {
    transform: scale(1.02);
}

/* Results */
.results-container {
    max-width: 700px;
    margin: 3rem auto 4rem;
    padding: 0 2rem;
}

.results-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: slideDown 0.5s ease;
}

.results-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.results-card h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dark);
}

.score-display {
    margin: 2rem 0;
}

.score-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink) 0%, var(--yellow) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.score-circle span {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
}

.score-message {
    font-size: 1.5rem;
    color: var(--gray);
    margin: 2rem 0;
}

.results-details {
    background: var(--light-pink);
    padding: 1.5rem;
    border-radius: 15px;
    margin: 2rem 0;
    text-align: left;
}

.result-item {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.result-item:last-child {
    border-bottom: none;
}

.result-item strong {
    color: var(--dark);
}

.result-item.correct {
    color: #228B22;
}

.result-item.incorrect {
    color: #DC143C;
}

.results-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.retry-btn,
.home-btn {
    flex: 1;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    transition: transform 0.3s;
}

.retry-btn {
    background: linear-gradient(135deg, var(--pink) 0%, var(--yellow) 100%);
    color: var(--white);
}

.home-btn {
    background: var(--light-pink);
    color: var(--dark);
}

.retry-btn:hover,
.home-btn:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .quiz-header h1 {
        font-size: 2rem;
    }

    .question-card {
        padding: 2rem;
    }

    #questionText {
        font-size: 1.4rem;
    }

    .results-actions {
        flex-direction: column;
    }

    .score-circle {
        width: 150px;
        height: 150px;
    }

    .score-circle span {
        font-size: 2.5rem;
    }
}