/* === Circuit Board Background === */

.circuit-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.circuit-bg svg {
    width: 100%;
    height: 100%;
}

/* Base copper traces */
.circuit-trace {
    fill: none;
    stroke: rgba(0, 240, 255, 0.07);
    stroke-width: 1.5;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

.circuit-trace-alt {
    fill: none;
    stroke: rgba(255, 0, 170, 0.05);
    stroke-width: 1.5;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

/* Junction pads */
.circuit-pad {
    fill: rgba(0, 240, 255, 0.03);
    stroke: rgba(0, 240, 255, 0.1);
    stroke-width: 1;
}

.circuit-pad-alt {
    fill: rgba(255, 0, 170, 0.02);
    stroke: rgba(255, 0, 170, 0.08);
    stroke-width: 1;
}

/* Pulse dot - NO CSS opacity or transform rules; JS controls everything */

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    #pulse-dot {
        display: none;
    }
}