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

html, body {
    background: #1a1a2e;
    width: 100%;
    height: 100%;
    height: 100dvh; /* dynamic viewport height — excludes browser chrome */
    overflow: hidden;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    width: 100%;
    height: 100%;
}

/* Ensure canvas fills container */
#game-container canvas {
    display: block;
}

#debug-log {
    font-size: 10px;
}