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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

h1 {
    color: #0056b3;
    margin-bottom: 10px;
}

h2 {
    color: #333;
    margin-bottom: 15px;
}

h3 {
    color: #444;
    margin-bottom: 10px;
}


.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #0056b3;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
    margin: 5px;
}

.btn-primary {
    background: #0056b3;
}

.btn-primary:hover {
    background: #004494;
}

.btn-success {
    background: #28a745;
}

.btn-success:hover {
    background: #218838;
}

.btn-secondary {
    background: #6c757d;
}

.btn-secondary:hover {
    background: #545b62;
}

.quiz-form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.question-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #0056b3;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.section-badge {
    background: #0056b3;
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.question-text {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option {
    display: flex;
    align-items: center;
    padding: 10px;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.option:hover {
    background: #e9ecef;
}

.option input {
    margin-right: 10px;
}

.option-text {
    flex: 1;
}

.form-actions {
    text-align: center;
    margin-top: 30px;
}

.thank-you-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-bottom: 30px;
}

.success-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.score-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: #e9ecef;
    border-radius: 10px;
    margin: 15px 0;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: #28a745;
    transition: width 0.5s ease;
}

.actions {
    margin-top: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #0056b3;
    margin-top: 10px;
}

.comparison-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.comparison-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.participants-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    border-bottom: 3px solid transparent;
}

.tab-button.active {
    border-bottom: 3px solid #0056b3;
    color: #0056b3;
    font-weight: bold;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.participants-table {
    width: 100%;
    border-collapse: collapse;
}

.participants-table th,
.participants-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.participants-table th {
    background: #f8f9fa;
    font-weight: bold;
}

.participants-table tr:hover {
    background: #f8f9fa;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .card-container {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}