/* ===== SVG interactivity ===== */
.clickable {
    cursor: pointer;
    transition: all 0.2s;
}

.clickable:hover {
    filter: brightness(1.3);
}

.electrode-dot {
    cursor: pointer;
    transition: all 0.2s;
}

.electrode-dot:hover {
    r: 10;
    filter: drop-shadow(0 0 6px currentColor);
}

.lead-wire {
    stroke-dasharray: none;
    transition: stroke-width 0.2s;
}

.lead-wire:hover {
    stroke-width: 3;
}