body {
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    text-align: center;
    position: relative;
}

canvas {
    background-color: #1e1e1e;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    cursor: crosshair;
}

h1 {
    position: absolute;
    top: 10px;
    left: 20px;
    margin: 0;
    font-weight: 300;
    font-size: 1.2rem;
    opacity: 0.7;
    pointer-events: none;
}

.controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

button {
    background-color: #333;
    color: #fff;
    border: 1px solid #555;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #444;
}