* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    color: white;
    margin-bottom: 50px;
    padding: 40px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.25);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card h2 {
    margin-bottom: 15px;
    color: #667eea;
}

.card p {
    margin-bottom: 20px;
    color: #666;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102,126,234,0.4);
}

.btn-secondary {
    background: #48bb78;
    color: white;
}

.btn-secondary:hover {
    background: #38a169;
    transform: scale(1.05);
}

.btn-outline {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

.input-code {
    width: 100%;
    padding: 10px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-code:focus {
    outline: none;
    border-color: #667eea;
}

/* Адаптив для телефонов */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Стили для тестов */
.test-container {
    background: white;
    border-radius: 20px;
    padding: 30px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.question {
    margin-bottom: 30px;
    padding: 20px;
    background: #f7fafc;
    border-radius: 15px;
}

.question-text {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3748;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: white;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
}

.option:hover {
    background: #edf2f7;
}

.option input {
    cursor: pointer;
    width: 20px;
    height: 20px;
}

.result-box {
    text-align: center;
    padding: 30px;
}

.score {
    font-size: 3rem;
    font-weight: bold;
    color: #667eea;
    margin: 20px 0;
}

.parent-link {
    background: #f0fff4;
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
    word-break: break-all;
}

/* Таблица результатов */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background: #667eea;
    color: white;
}

tr:hover {
    background: #f7fafc;
}

/* Формы админки */
.admin-form {
    background: white;
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 10px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.danger-btn {
    background: #e53e3e;
    color: white;
}

.danger-btn:hover {
    background: #c53030;
}