@font-face {
    font-family: 'PixelFont';
    src: url('data:font/truetype;charset=utf-8;base64,') format('truetype');
    font-weight: normal;
    font-style: normal;
}

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

body {
    font-family: 'Arial', sans-serif;
    background: #000;
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin: 0;
    padding: 0;
}

#gameCanvas {
    background: #000;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    display: block;
    position: fixed;
    top: 0;
    left: 0;
}

.ui {
    position: absolute;
    top: 20px;
    left: 20px;
    color: #fff;
    font-size: 1.2rem;
    z-index: 50;
}

.controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #888;
    font-size: 0.9rem;
    text-align: center;
}