body {
    margin: 20px;
    background: #f9fafb; /* light background */
    color: #111827;      /* dark text for contrast */
    font-family: Inter, Roboto, Arial, sans-serif;
}

h1 {
    color: #3b82f6;      /* vibrant blue for headers */
    margin-bottom: 8px;
}

p {
    color: #4b5563;      /* slightly muted gray for paragraphs */
    margin-bottom: 14px;
}

.wrap {
    background: #ffffff; /* white card background */
    padding: 16px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); /* soft modern shadow */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wrap:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.mermaid {
    min-height: 620px;
    background: #f3f4f6; /* subtle light background for diagrams */
    border-radius: 8px;
    padding: 12px;
}

.description {
    width: 50%;
    max-width: 800px;
    min-width: 500px;
    margin: 0 auto;
}