body {
    margin: 0px;
}

#heading {
    text-align: center;
    padding: 20px;
    background: #333;
    color: #CCC;
}

a {
    color: #3388ff;
}

#map {
    position: absolute;
    height: 100%;
    width: 100%;
    background-color: #333;
}

.leaflet-canvas-layer {
    opacity: 0.55;
}

.lead-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.particles-controls {
    position: absolute;
    top: 70px;
    right: 10px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.lead-controls button, .particles-controls button {
    background: #007cba;
    color: white;
    border: none;
    padding: 8px 12px;
    margin: 0 5px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 16px;
}

.lead-controls button:hover, .particles-controls button:hover {
    background: #005c87;
}

.lead-controls button:disabled, .particles-controls button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.lead-controls span {
    font-weight: bold;
    margin: 0 5px;
    font-size: 16px;
    display: inline-block;
    width: 77px; /* Particles 라벨 크기에 맞춤 */
}

.particles-controls span {
    font-weight: bold;
    margin: 0 5px;
    font-size: 16px;
}

#leadInput, #particlesInput {
    width: 60px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 3px;
    padding: 4px;
    margin: 0 5px;
    font-size: 14px;
}