* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f0f4f8;
    color: #1a202c;
}

main {
    text-align: center;
    padding: 2rem;
}

h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
p { font-size: 1.2rem; margin-bottom: 0.5rem; color: #4a5568; }
code { background: #e2e8f0; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 1rem; }