* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0f111a;
    color: #cfd8dc;
    line-height: 1.6;
}
a { color: #80cbc4; text-decoration: none; }
a:hover { text-decoration: underline; }

header {
    background-color: #1a2332;
    padding: 2rem;
    text-align: center;
    border-bottom: 2px solid #2a3c5a;
}
header h1 { color: #82b1ff; font-size: 2.5rem; }

nav {
    background-color: #121827;
    padding: 1rem 2rem;
    border-bottom: 1px solid #2a3c5a;
}
nav a {
    margin-right: 1.5rem;
    font-weight: bold;
    color: #80cbc4;
}

section {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
    border-bottom: 1px solid #2a3c5a;
}

section h2 {
    color: #82b1ff;
    margin-bottom: 1rem;
    border-left: 4px solid #80cbc4;
    padding-left: 0.5rem;
}

ul { margin-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.5rem; }

code {
    background-color: #1e2a3b;
    color: #80cbc4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
}

.example {
    background-color: #18202d;
    border-left: 4px solid #82b1ff;
    padding: 1rem;
    margin: 1rem 0;
    font-family: monospace;
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: #607d8b;
    font-size: 0.9rem;
}