.quiz-container {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 30px;
}

.quiz-title {
    text-align: center;
    font-size: 36px;
    color: #fff;
    margin-bottom: 50px;
}

/* Сетка категорий */
.quiz-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.quiz-category-card {
    background: #111;
    border: 1px solid #1a1a1a;
    border-radius: 20px;
    padding: 40px 30px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.quiz-category-card:hover {
    border-color: #2ecc71;
    background: #141414;
    transform: translateY(-4px);
}

.quiz-category-card h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 10px;
}

.quiz-category-card p {
    color: #777;
    font-size: 14px;
    margin-bottom: 20px;
}

.quiz-category-card .question-count {
    display: inline-block;
    font-size: 36px;
    font-weight: 700;
    color: #2ecc71;
}

.quiz-category-card .question-count span {
    font-size: 16px;
    color: #555;
    font-weight: 400;
}

/* Экран теста */
.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px;
    background: #111;
    border-radius: 16px;
    border: 1px solid #1a1a1a;
}

.btn-back {
    background: transparent;
    border: 1px solid #2a2a2a;
    color: #888;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-back:hover {
    border-color: #2ecc71;
    color: #2ecc71;
}

.quiz-progress {
    font-size: 18px;
    color: #fff;
    font-weight: 600;
}

.quiz-timer {
    font-size: 20px;
    font-weight: 700;
    color: #2ecc71;
    min-width: 80px;
    text-align: right;
}

.quiz-timer.warning {
    color: #f39c12;
    animation: pulse 1s infinite;
}

.quiz-timer.danger {
    color: #e74c3c;
    animation: pulse 0.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Вопрос */
.question-block {
    background: #111;
    border: 1px solid #1a1a1a;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
}

.question-block h2 {
    font-size: 22px;
    color: #fff;
    margin-bottom: 30px;
    line-height: 1.4;
}

.answers-grid {
    display: grid;
    gap: 12px;
}

.answer-item {
    background: #0a0a0a;
    border: 1px solid #222;
    border-radius: 12px;
    padding: 18px 20px;
    cursor: pointer;
    transition: all 0.2s;
    color: #ccc;
    font-size: 16px;
    text-align: left;
}

.answer-item:hover {
    border-color: #2ecc71;
    background: #141414;
}

.answer-item.selected {
    border-color: #2ecc71;
    background: rgba(46, 204, 113, 0.1);
    color: #fff;
}

.answer-item.correct {
    border-color: #27ae60;
    background: rgba(39, 174, 96, 0.15);
    color: #27ae60;
}

.answer-item.wrong {
    border-color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.answer-item.disabled {
    pointer-events: none;
    opacity: 0.7;
}

/* Футер теста */
.quiz-footer {
    display: flex;
    justify-content: center;
}

.quiz-footer .btn-green {
    padding: 16px 50px;
    font-size: 18px;
}

.quiz-footer .btn-green:disabled {
    background: #1a1a1a;
    color: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Результаты */
.result-card {
    background: #111;
    border: 1px solid #1a1a1a;
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.result-card h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 20px;
}

.result-score {
    font-size: 72px;
    font-weight: 700;
    color: #2ecc71;
    margin-bottom: 10px;
}

.result-score.perfect {
    color: #27ae60;
}

.result-score.good {
    color: #2ecc71;
}

.result-score.medium {
    color: #f39c12;
}

.result-score.bad {
    color: #e74c3c;
}

.result-card p {
    color: #888;
    font-size: 18px;
    margin-bottom: 30px;
}

.result-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Адаптив */
@media (max-width: 768px) {
    .quiz-grid {
        grid-template-columns: 1fr;
    }
    
    .question-block {
        padding: 20px;
    }
    
    .quiz-header {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .result-score {
        font-size: 52px;
    }
}