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

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #f0f0f0;
}

.container {
    text-align: center;
    padding: 20px;
    max-width: 600px;
    width: 100%;
}

h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

p {
    margin-bottom: 20px;
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

button, select, input {
    padding: 10px;
    font-size: 1em;
}

canvas {
    width: 100%;
    height: 400px;
    border: 1px solid #000;
    background: #000;
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 1.5em;
    }
}

.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
}