body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #f5f5f5;
}

#content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#header {
    margin-bottom: 30px;
}

#security-notice {
    background: #e8f5e9;
    padding: 10px 15px;
    border-radius: 4px;
    margin-top: 10px;
    border-left: 4px solid #4caf50;
}

.error {
    background: #fff3f3;
    color: #cf0000;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: none;
    border-left: 4px solid #cf0000;
}

.loading {
    background: #f2f7ff;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: none;
    border-left: 4px solid #2196f3;
    text-align: center;
}

h1 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-top: 0;
}

h2 {
    color: #34495e;
    margin-top: 30px;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 10px 0;
}

pre {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
}

code {
    background: #f8f9fa;
    padding: 2px 5px;
    border-radius: 3px;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}