:root {
    --space-bg: #050505;
    --star-color: #ffffff;
    --node-color: #a0a0ff;
    --node-active: #ffffff;
    --line-color: rgba(100, 100, 255, 0.3);
    --text-color: #e0e0e0;
}

body {
    background-color: var(--space-bg);
    overflow: hidden; /* Prevent scrolling on the constellation view */
    margin: 0;
    padding: 0;
}

.constellation-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
}

canvas#constellation-canvas {
    display: block;
}

.constellation-ui {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    color: var(--text-color);
    pointer-events: none; /* Let clicks pass through to canvas */
}

/* Optional: Add a subtle twinkle animation for background stars later if needed */