body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

.info-panel {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    max-width: 300px;
    z-index: 1;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Hidden state for collapsible panel */
.info-panel.hidden {
    display: none;
}

/* Toggle button to show/hide info panel */
.info-toggle {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2; /* Above panel */
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    border: none;
    border-radius: 20px;
    padding: 8px 12px;
    font-size: 14px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    cursor: pointer;
}

.info-toggle:focus {
    outline: 2px solid #66a3ff;
}

.info-panel h1 {
    margin: 0 0 10px 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
    text-align: center;
}

.info-panel p {
    margin: 8px 0;
    font-size: 13px;
    line-height: 1.5;
    color: #555;
}

.info-panel .attribution {
    font-size: 11px;
    color: #777;
    border-top: 1px solid #e0e0e0;
    padding-top: 10px;
    margin-top: 10px;
}

.info-panel a {
    color: #0066cc;
    text-decoration: none;
}

.info-panel a:hover {
    text-decoration: underline;
}

/* Dropdown control group */
.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}

.control-group label {
    font-size: 13px;
    color: #333;
    min-width: 50px;
}

.control-group select {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    font-size: 13px;
    color: #333;
    cursor: pointer;
}

.control-group select:focus {
    outline: 2px solid #66a3ff;
    border-color: #66a3ff;
}

/* Terrain slider control */
.terrain-ctrl {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 4px;
    padding: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.terrain-exaggeration {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.terrain-exaggeration label {
    font-size: 12px;
    color: #333;
}

.terrain-exaggeration input[type="range"] {
    width: 120px;
}

/* Mobile responsiveness */
@media (max-width: 640px) {
    .info-panel {
        max-width: 250px;
        padding: 12px 15px;
    }
    .info-toggle {
        padding: 10px 14px;
        font-size: 16px;
    }
    
    .info-panel h1 {
        font-size: 18px;
    }
    
    .info-panel p {
        font-size: 12px;
    }

    .control-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .control-group select {
        width: 100%;
    }
}

/* Print styles */
@media print {
    .info-panel,
    .maplibregl-ctrl-group {
        display: none;
    }
}