.btn-file {
    position: relative;
    overflow: hidden;
}
.btn-file input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    background: white;
    cursor: inherit;
    display: block;
}

.arctoi-m-alert {
    color: red;
}

.arctoi-m-warning {
    color: orange;
}

.arctoi-m-success {
    color: green;
}

.loader {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#infoModal-body {
    font-family: monospace, monospace;
}

/* Custom marker styles for drawn points */
.custom-marker {
    background: transparent !important;
    border: none !important;
}

.marker-icon {
    font-size: 20px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    cursor: pointer;
}

.marker-icon:hover {
    transform: scale(1.2);
    transition: transform 0.2s ease;
}