// =============================================================================
// Z-INDEX
// =============================================================================


// Global Type Vars
// -----------------------------------------------------------------------------
//
// IMPORTANT: These variables are NOT to be consumed in components/apps.
//            Instead use the maps and functions outlined below.
//
// -----------------------------------------------------------------------------


// z-index map
// -----------------------------------------------------------------------------

$zIndex-lowest:                 5 !default;
$zIndex-lower:                  10 !default;
$zIndex-low:                    20 !default;
$zIndex-high:                   50 !default;
$zIndex-higher:                 100 !default;
$zIndex-highest:                500 !default;


// z-index map
// -----------------------------------------------------------------------------

$zIndexMap: (
    lowest:                     $zIndex-lowest,
    lower:                      $zIndex-lower,
    low:                        $zIndex-low,
    high:                       $zIndex-high,
    higher:                     $zIndex-higher,
    highest:                    $zIndex-highest
);


// z-index Functions
// -----------------------------------------------------------------------------

@function zIndex($key) {

    @if map-has-key($zIndexMap, $key) {
        @return map-get($zIndexMap, $key);
    }

    @warn "Unknown `#{$key}` in $zIndexMap.";
    @return null;
}