body {
    margin: 0;
    background-color: #000;
    color: #fff;
    font-family: 'VT323', monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#start-screen {
    text-align: center;
}

#start-screen h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

#start-screen input {
    padding: 0.5rem;
    font-size: 1rem;
    margin-bottom: 1rem;
    background-color: #333;
    border: 1px solid #fff;
    color: #fff;
    font-family: 'VT323', monospace;
}

#start-screen button {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    background-color: #fff;
    color: #000;
    border: none;
    font-family: 'VT323', monospace;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#game-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#ui-container {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#tutorial, #highscore {
    border: 1px solid #fff;
    padding: 1rem;
    width: 200px;
}

#end-game-button {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    background-color: #fff;
    color: #000;
    border: none;
    font-family: 'VT323', monospace;
}