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

body {
    overflow: hidden;
    background: #000;
}

#game-container {
    width: 100vw;
    height: 100vh;
    position: relative;
}

#static-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    animation: static 0.2s steps(4) infinite;
    mix-blend-mode: overlay;
}

@keyframes static {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(4px);
    }
}