/* Main game styles */
html, body {
    overflow: hidden;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #000;
}

#renderCanvas {
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* Loading screen styles */
#loadingScreen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    color: #4CAF50;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    z-index: 1000;
}

#loadingScreen h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

#loadingBar {
    width: 80%;
    max-width: 400px;
    height: 20px;
    background-color: #333;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

#loadingProgress {
    height: 100%;
    background-color: #4CAF50;
    width: 0%;
    transition: width 0.3s;
}

/* PWA installation styles */
.installPrompt {
    display: none;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 20px;
}

#pwaInstallBanner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    display: none; /* Hidden by default */
    align-items: center;
    z-index: 100;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    width: 400px;
}

#pwaInstallBanner p {
    margin: 0 15px 0 0;
    flex-grow: 1;
}

#pwaInstallButton {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    white-space: nowrap;
}

#pwaCloseButton {
    background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
    margin-left: 10px;
    font-size: 1.2rem;
}