/* reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    touch-action: none;
}

html, body, canvas {
    width: 100%;
    height: 100%;
    display: block;
}

body {
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #16213e 50%, #0f3460 100%);
    font-family: 'Arial', sans-serif;
    -webkit-user-select: none;
    user-select: none;
}

canvas {
    display: block;
    image-rendering: crisp-edges;
    image-rendering: pixelated;
}

/* Mobile optimalizace */
@media (max-width: 768px) {
    html, body, canvas {
        width: 100vw;
        height: 100vh;
        max-width: 100%;
        max-height: 100%;
    }
    
    body {
        position: fixed;
        top: 0;
        left: 0;
        margin: 0;
        padding: 0;
    }
    
    canvas {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
    }
}

/* Extra malé displeje (telefony na výšku) */
@media (max-width: 480px) {
    canvas {
        width: 100vw;
        height: 100vh;
    }
}