html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: Arial, sans-serif;
    background: #111;
}

#game-viewport {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: #2a5d2a; /* fallback so you can see camera area even w/o tiles */
}

#hud {
    position: fixed;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    z-index: 1000;
    pointer-events: none;
}

.tile {
    /* image-rendering: pixelated; */ /* uncomment for pixel-art terrain */
}