:root {
    color-scheme: light dark;
}

body {
    font-family: 'Times New Roman', serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    color: #333;
    background: white;
}

h1 {
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 30px;
}

h2 {
    color: #2c3e50;
    margin-top: 30px;
    margin-bottom: 15px;
}

h3 {
    color: #34495e;
    margin-top: 25px;
    margin-bottom: 10px;
}

.effective-date {
    font-style: italic;
    color: #666;
    margin-bottom: 30px;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

ul {
    margin-bottom: 15px;
    padding-left: 30px;
}

li {
    margin-bottom: 8px;
}

.disclaimer {
    background-color: #f8f9fa;
    border-left: 4px solid #e74c3c;
    padding: 15px;
    margin: 20px 0;
    font-weight: bold;
}

.highlight {
    background-color: #e8f6f3;
    border-left: 4px solid #27ae60;
    padding: 15px;
    margin: 20px 0;
}

.contact {
    background-color: #ecf0f1;
    padding: 20px;
    border-radius: 5px;
    margin-top: 30px;
}

.nested-list {
    padding-left: 20px;
}

@media (prefers-color-scheme: dark) {
    body {
        color: #e0e0e0;
        background: #1a1a1a;
    }

    h1, h2 {
        color: #ffffff;
    }

    h3 {
        color: #d0d0d0;
    }

    .effective-date {
        color: #aaa;
    }

    .disclaimer {
        background-color: #2a2a2a;
        border-left-color: #e74c3c;
        color: #e0e0e0;
    }

    .highlight {
        background-color: #1a3a2a;
        border-left-color: #27ae60;
        color: #e0e0e0;
    }

    .contact {
        background-color: #2a2a2a;
        color: #e0e0e0;
    }

    .contact a {
        color: #3498db;
    }

    .contact a:hover {
        color: #5dade2;
    }
}

@media print {
    body {
        margin: 0;
        padding: 20px;
    }
}