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

body {
    background: #1a0a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    font-family: 'Segoe UI', sans-serif;
    user-select: none;
}

canvas {
    border: 2px solid #3d1e6d;
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(100, 50, 200, 0.3), 0 0 60px rgba(80, 30, 160, 0.15);
    cursor: default;
}

canvas:active {
    cursor: pointer;
}