html,
body {
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100%;
    color: rgba(255, 255, 255, 0.87);
    background: linear-gradient(135deg, #009c3b 0%, #ffdf00 100%);
    /* Prevent text selection and scrolling on mobile */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    overflow: hidden;
}

#app {
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    width: 100%;
    height: 100%;
    border: 2px solid #333;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Mobile-specific styles */
@media (max-width: 768px) {
    #game-container {
        border: none;
        border-radius: 0;
        box-shadow: none;
    }

    #app {
        padding: 0;
    }

    /* Prevent viewport issues on mobile */
    html,
    body {
        position: fixed;
        width: 100%;
        height: 100%;
    }

    /* Hide scrollbars */
    ::-webkit-scrollbar {
        display: none;
    }

    /* Prevent zoom on double tap */
    * {
        touch-action: manipulation;
    }
}