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

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #030305;
}

/* ===== FULL-SCREEN CANVAS ===== */
#space {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* ===== CRT SCANLINES ===== */
#scanlines {
    position: fixed;
    inset: 0;
    z-index: 20;
    pointer-events: none;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.04) 2px,
            rgba(0, 0, 0, 0.04) 4px);
}