body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

#map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    font-size: 16px;
    color: #333;
}

#controls {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    min-width: 250px;
}

#controls h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #333;
}

.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-size: 14px;
}

.control-group select,
.control-group input[type="range"] {
    width: 100%;
    margin-bottom: 10px;
}

.control-group select {
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}