/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: aliceblue;
    min-height: 100vh;
    padding: 0px;
    color: #333;
}

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

h1 {
    color: #2c3e50;
    font-size: 28px;
    margin-bottom: 0px;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #7f8c8d;
    font-size: 16px;
    margin-bottom: 30px;
}

h2 {
    color: #34495e;
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 15px;
    border-bottom: 3px solid #667eea;
    padding-bottom: 8px;
}

h3 {
    color: #2c3e50;
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
}

/* Diagram container */
.diagram-container {
    background: aliceblue;
    padding: 10px;
    margin: 0px 0;
    overflow-x: auto;
}

.mermaid {
    display: flex;
    justify-content: center;
    font-size: 16px;
}

.mermaid svg {
    max-width: 100%;
    height: auto;
}

/* Description section */
.description {
    margin-top: 30px;
}

.description p {
    line-height: 1.6;
    color: #555;
    margin-bottom: 15px;
}

.description ol {
    margin-left: 25px;
    margin-bottom: 20px;
}

.description li {
    margin-bottom: 10px;
    line-height: 1.6;
    color: #555;
}

.description strong {
    color: #2c3e50;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    h1 {
        font-size: 22px;
    }

    .subtitle {
        font-size: 14px;
    }

    .diagram-container {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .container {
        box-shadow: none;
        padding: 20px;
    }
}