html, body {
    margin: 0;
    padding: 0;
    background: #000;
    overflow: hidden;
    font-family: monospace;
}

canvas {
    display: block;
    width: 100vw;
    height: 100vh;
    image-rendering: pixelated;
    filter: contrast(1.05) brightness(1.05) saturate(1.2);
}

/* CRT scanlines */
#scan {
    pointer-events: none;
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0,0,0,0) 0px,
        rgba(0,0,0,0) 2px,
        rgba(0,0,0,0.25) 3px
    );
    mix-blend-mode: multiply;
}

/* Tag text */
#tag {
    position: fixed;
    top: 12px;
    left: 12px;
    color: #6afc6a;
    font-size: 12px;
    opacity: 0.7;
    letter-spacing: 0.5px;
}

#ui-controls {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 6px 10px;
    background: rgba(0,0,0,0.35);
    border: 1px solid rgba(93,252,93,0.5);
    font-family: monospace;
    font-size: 12px;
    color: #5dfc5d;
    user-select: none;
    backdrop-filter: blur(2px);
    max-height: 95vh;
    overflow-y: auto;
}

#ui-controls input[type=range] {
    width: 140px;
    accent-color: #5dfc5d;
    margin-bottom: 4px;
}

#refreshBtn {
    display: block;
    margin-top: 6px;
    padding: 4px 8px;
    background-color: #000;
    color: #5dfc5d;
    border: 1px solid #5dfc5d;
    font-family: monospace;
    font-size: 12px;
    cursor: pointer;
    user-select: none;
    transition: 0.15s;
}

#refreshBtn:hover {
    background-color: rgba(93, 252, 93, 0.1);
    box-shadow: 0 0 6px #5dfc5d;
}