main.css

body { margin: 0; padding: 0; font-family: sans-serif; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }

/* Drag & Drop Area Styling */
#drop-area {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50vw;  /* Half screen width */
    height: 50vh; /* Half screen height */
    border: 2px dashed #ccc;
    border-radius: 10px;
    text-align: center;
    padding-top: calc(25vh - 20px); /* Center text vertically */
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 1000;
    transition: border-color 0.3s ease;
}

#drop-area.active {
    border-color: #007bff;
    background-color: rgba(230, 245, 255, 0.9);
}

#drop-area p {
    margin: 0;
}

#feature-dropdown {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1001;
    background-color: white;
    border: 1px solid #ccc;
    padding: 5px;
    border-radius: 4px;
    display: none;
}

#feature-dropdown select {
    padding: 3px;
}

#controls {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 1001;
    background-color: white;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 1px 5px rgba(0,0,0,0.4);
}
#controls > div {
    margin-bottom: 5px;
}
 label {
     display: inline-block;
    width: 100px;
    margin-right: 5px;
    text-align: right;
}

input[type="range"],
input[type="color"],
input[type="number"] {
     vertical-align: middle;
}
/* Hidden file input */
#file-input {
    display: none;
}