html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-family);
    background-color: var(--color-bg-canvas);
    color: var(--color-text-primary);
}

#app-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

#top-toolbar {
    height: var(--height-top-toolbar);
    background-color: var(--color-bg-panel);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    z-index: 100;
}

#main-content {
    display: flex;
    flex: 1;
    position: relative;
    overflow: hidden;
}

#left-panel {
    width: var(--width-sidebar);
    background-color: var(--color-bg-panel);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 50;
    height: 100%;
}

#map-container {
    flex: 1;
    position: relative;
    background-color: var(--color-bg-canvas);
}

/* Mapbox GL Map Canvas */
#map-container .mapboxgl-map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#right-controls {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    /* Width for standard square buttons */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 20;
    /* Above Map */
    pointer-events: none;
    /* Let clicks pass through container */
}

#right-controls>* {
    pointer-events: auto;
    /* Re-enable clicks on buttons */
}