@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafc;
    margin: 0;
}

.resistor-zigzag {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.3s ease;
}

.probe-line {
    stroke-width: 2.5;
    fill: none;
    stroke-dasharray: 4;
    marker-end: url(#arrowhead);
    transition: all 0.4s ease;
}

.lcd-glow {
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
}

.wire {
    stroke: #334155;
    stroke-width: 3;
    fill: none;
    transition: all 0.4s ease;
    stroke-linecap: round;
}

.board-bg {
    fill: #f1f5f9;
    stroke: #e2e8f0;
    stroke-width: 2;
}

.node-dot {
    fill: #1e293b;
    stroke: #94a3b8;
    stroke-width: 1;
}