body {
    margin: 0;
    padding: 0;
    background-color: #0b0e11;
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow: hidden;
    width: 100vw;
    height: 100dvh;
}

#game-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 600px;
    display: block;
    background-color: #0b0e11;
    border: 4px solid #f2a900;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(242, 169, 0, 0.3);
    box-sizing: border-box;
    overflow: hidden;
    margin: 0 auto;
}

@media (max-width: 768px) {
    #game-container {
        max-width: 100vw;
        height: calc(100dvh - 60px);
        border: none;
        border-radius: 0;
    }

    body.immersive-mode #game-container {
        height: 100dvh;
    }
}



canvas {
    display: block;
    background-color: #000;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform-origin: top center;
}

/* UI Overlays from GameUI.js will be styled by /styles/game-ui.css */