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

#backgroundGradient {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100vh;
    max-width: 177.78vh; /* Match game container aspect ratio */
    max-height: 56.25vw;
    background: linear-gradient(to bottom, #0f0c29 0%, #302b63 50%, #24243e 100%);
    z-index: -2;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #000000; /* Black letterbox bars */
    font-family: 'Montserrat', sans-serif;
    padding: 0;
    margin: 0;
    position: relative;
    overflow: hidden;
}