body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: radial-gradient(circle, #1e1f2f, #12121f);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.circuit-container {
    text-align: center;
    max-width: 900px;
    margin: 20px;
}

canvas {
    background-color: #222;
    border-radius: 15px;
    box-shadow: 0 0 20px #00ffff;
    margin-top: 20px;
}

.controls {
    margin: 15px;
}

.controls button {
    padding: 10px 20px;
    margin: 5px;
    font-size: 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background: linear-gradient(45deg,#0ff,#08f);
    color: #000;
    font-weight: bold;
    transition: all 0.3s;
}

.controls button:hover {
    box-shadow: 0 0 15px #0ff, 0 0 25px #0ff inset;
}