* {
    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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 3em;
    font-weight: bold;
    color: #4a5568;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.header h2 {
    font-size: 1.5em;
    color: #2d3748;
    margin-bottom: 15px;
}

.subtitle {
    font-style: italic;
    color: #718096;
    margin-bottom: 10px;
}

.author {
    font-weight: bold;
    color: #4a5568;
    font-size: 1.1em;
}

.section {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.hidden {
    display: none;
}

.intro-content h3 {
    color: #2d3748;
    margin-bottom: 15px;
    font-size: 1.4em;
}

.intro-content p {
    margin-bottom: 15px;
    color: #4a5568;
}

.intro-content h4 {
    color: #2d3748;
    margin: 20px 0 10px 0;
}

.disclaimer {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.disclaimer h4 {
    color: #e53e3e;
    margin-bottom: 10px;
}

.disclaimer ul {
    padding-left: 20px;
}

.disclaimer li {
    margin-bottom: 5px;
    color: #4a5568;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 10px 5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #718096;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 10px 5px;
}

.btn-secondary:hover {
    background: #4a5568;
    transform: translateY(-2px);
}

.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.progress-container {
    margin-bottom: 30px;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #e2e8f0;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-weight: bold;
    color: #4a5568;
}

.question-container {
    margin-bottom: 30px;
}

.question-container h3 {
    font-size: 1.3em;
    color: #2d3748;
    margin-bottom: 20px;
    line-height: 1.5;
}

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

.option {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.option:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
}

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

.option input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

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

.results-content {
    margin-bottom: 30px;
}

.category-result {
    background: #f7fafc;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 5px solid #667eea;
}

.category-result h4 {
    color: #2d3748;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.category-result p {
    color: #4a5568;
    margin-bottom: 10px;
}

.score {
    font-weight: bold;
    color: #667eea;
    font-size: 1.1em;
}

.interpretation {
    margin-top: 15px;
    padding: 15px;
    background: #e6fffa;
    border-radius: 8px;
    border-left: 4px solid #38b2ac;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header h1 {
        font-size: 2em;
    }

    .header h2 {
        font-size: 1.2em;
    }

    .section {
        padding: 20px;
    }
}