body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}
#container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
}
#header {
    padding: 10px;
    background-color: #2c3e50;
    color: white;
    text-align: center;
}
#controls {
    background-color: #ecf0f1;
    padding: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.filter-group {
    margin-bottom: 10px;
}
.filter-title {
    font-weight: bold;
    margin-bottom: 5px;
    color: #2c3e50;
}
.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.filter-option {
    display: flex;
    align-items: center;
    background-color: #bdc3c7;
    padding: 3px 8px;
    border-radius: 4px;
}
.filter-option input {
    margin-right: 5px;
}
#map-container {
    flex-grow: 1;
    position: relative;
}
#map {
    height: 100%;
    width: 100%;
}
.resource-icon {
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.2);
    box-shadow: 0 0 5px rgba(0,0,0,0.3);
}
.checkpoint-icon {
    background-color: red;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 10px rgba(255,0,0,0.7);
}
#loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.7);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    font-size: 1.5em;
}
#resource-count {
    margin-left: auto;
    padding: 5px 10px;
    background-color: #3498db;
    color: white;
    border-radius: 4px;
    font-weight: bold;
}
.leaflet-control-zoom {
    margin-left: 10px;
    margin-top: 10px;
}