#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 20; /* Keep above #app (which is 10) so particles appear in front of images/content */
    pointer-events: none; /* Let clicks pass through to content */
    background-color: transparent; /* Changed from #000 to transparent so background stays */
}

body.theme-dark-elegant {
    background-color: #000;
}