body {
    background: #0e0e0e;
    color: #f0f0f0;
    font-family: Arial, sans-serif;
    padding: 20px;
}
h1 { text-align: center; color: #00c6ff; }
.section {
    background: #181818;
    border: 1px solid #333;
    border-radius: 10px;
    padding: 15px;
    margin: 20px 0;
}
input, button, textarea, select {
    padding: 8px;
    margin: 5px 0;
    border-radius: 6px;
    border: 1px solid #333;
    background: #222;
    color: #fff;
    width: 100%;
}
button {
    cursor: pointer;
    background: #00c6ff;
    color: #000;
    font-weight: bold;
}
button:hover {
    background: #00a2d4;
}
pre {
    background: #111;
    padding: 10px;
    border-radius: 8px;
    overflow-x: auto;
}