// Function
//-- Must be defined before variables
@function rem($multiplier) {
  $font-size: 10px;
  @return $multiplier * $font-size;
}

// Typography
// ------------------------------
$font-family: RobotoDraft, Roboto, 'Helvetica Neue', sans-serif !default;
$font-size:   10px;

$display-4-font-size-base: rem(11.20) !default;
$display-3-font-size-base: rem(5.600) !default;
$display-2-font-size-base: rem(4.500) !default;
$display-1-font-size-base: rem(3.400) !default;
$headline-font-size-base:  rem(2.400) !default;
$title-font-size-base:     rem(2.000) !default;
$subhead-font-size-base:   rem(1.600) !default;

$body-font-size-base:      rem(1.400) !default;
$caption-font-size-base:   rem(1.200) !default;

// Layout
// ------------------------------

$baseline-grid:            8px !default;
$layout-breakpoint-sm:     600px !default;
$layout-breakpoint-md:     960px !default;
$layout-breakpoint-lg:     1200px !default;
$layout-gutter-width:      ($baseline-grid * 2) !default;


// App bar variables
$app-bar-height: 64px;

$toast-height: $baseline-grid * 3 !default;
$toast-margin: $baseline-grid * 1 !default;

// Whiteframes

$shadow-multiplier: 0.7;
$shadow-key-umbra-opacity:      $shadow-multiplier * 0.2;
$shadow-key-penumbra-opacity:   $shadow-multiplier * 0.14;
$shadow-ambient-shadow-opacity: $shadow-multiplier * 0.12;

// NOTE(shyndman): gulp-sass seems to be failing if I split the shadow defs across
//    multiple lines. Ugly. Sorry.
$whiteframe-shadow-z1: 0px 3px 1px -2px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 2px 2px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 1px 5px 0px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-zindex-z1: 1 !default;
$whiteframe-shadow-z2: 0 2px 4px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0 4px 5px 0 rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0 1px 10px 0 rgba(0, 0, 0, $shadow-ambient-shadow-opacity);
$whiteframe-zindex-z2: 2 !default;
$whiteframe-shadow-z3: 0px 3px 5px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 6px 10px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 1px 18px 0px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-zindex-z3: 3 !default;
$whiteframe-shadow-z4: 0px 5px 5px -3px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 8px 10px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 3px 14px 2px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-zindex-z4: 4 !default;
$whiteframe-shadow-z5: 0px 8px 10px -5px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 16px 24px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 6px 30px 5px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-zindex-z5: 5 !default;



// Z-indexes
//--------------------------------------------

$z-index-tooltip: 100 !default;
$z-index-menu: 99 !default;
$z-index-select: 99 !default;
$z-index-dialog: 80 !default;
$z-index-toast: 90 !default;
$z-index-bottom-sheet: 70 !default;
$z-index-scroll-mask: 65 !default;
$z-index-sidenav: 60 !default;
$z-index-backdrop: 50 !default;
$z-index-fab: 20 !default;

// Easing Curves
//--------------------------------------------

$swift-ease-out-duration: 0.4s !default;
$swift-ease-out-timing-function: cubic-bezier(0.25, 0.8, 0.25, 1) !default;
$swift-ease-out: all $swift-ease-out-duration $swift-ease-out-timing-function !default;

$swift-ease-in-duration: 0.3s !default;
$swift-ease-in-timing-function: cubic-bezier(0.55, 0, 0.55, 0.2) !default;
$swift-ease-in: all $swift-ease-in-duration $swift-ease-in-timing-function !default;

$swift-ease-in-out-duration: 0.5s !default;
$swift-ease-in-out-timing-function: cubic-bezier(0.35, 0, 0.25, 1) !default;
$swift-ease-in-out: all $swift-ease-in-out-duration $swift-ease-in-out-timing-function !default;
