material mixins

$dark-primary-text: rgba(black, 0.87);
$dark-secondary-text: rgba(black, 0.54);
$dark-disabled-text: rgba(black, 0.38);
$dark-dividers: rgba(black, 0.12);
$dark-focused: rgba(black, 0.12);

$light-primary-text: white;
$light-secondary-text: rgba(white, 0.7);
$light-disabled-text: rgba(white, 0.5);
$light-dividers: rgba(white, 0.12);
$light-focused: rgba(white, 0.12);

@mixin mat-ripple-theme($theme) {
  $foreground: map_get($theme, foreground);
  $foreground-base: map_get($foreground, base);

  .mat-ripple-element {
    background-color: rgba($foreground-base, $mat-ripple-color-opacity);
  }
}

$mat-blue-grey: (
  50: #eceff1,
  100: #cfd8dc,
  200: #b0bec5,
  300: #90a4ae,
  400: #78909c,
  500: #607d8b,
  600: #546e7a,
  700: #455a64,
  800: #37474f,
  900: #263238,
  A100: #cfd8dc,
  A200: #b0bec5,
  A400: #78909c,
  A700: #455a64,
  contrast: (
    50: $dark-primary-text,
    100: $dark-primary-text,
    200: $dark-primary-text,
    300: $dark-primary-text,
    400: $light-primary-text,
    500: $light-primary-text,
    600: $light-primary-text,
    700: $light-primary-text,
    800: $light-primary-text,
    900: $light-primary-text,
    A100: $dark-primary-text,
    A200: $dark-primary-text,
    A400: $light-primary-text,
    A700: $light-primary-text,
  )
);

$light-theme-primary: mat-palette($mat-blue-grey2);
$light-theme-accent: mat-palette($mat-blue-grey2, A200, A100, A400);
$light-theme-warn: mat-palette($mat-blue-grey2);
$light-theme: mat-light-theme($light-theme-primary, $light-theme-accent, $light-theme-warn);


// Background palette for light themes.
$mat-light-theme-background: (
  status-bar: map_get($mat-grey, 300),
  app-bar:    map_get($mat-grey, 100),
  background: map_get($mat-grey, 50),
  hover:      rgba(black, 0.04), // TODO(kara): check style with Material Design UX
  card:       white,
  dialog:     white,
  disabled-button: rgba(black, 0.12),
  raised-button: white,
  focused-button: $dark-focused,
  selected-button: map_get($mat-grey, 300),
  selected-disabled-button: map_get($mat-grey, 400),
  disabled-button-toggle: map_get($mat-grey, 200),
  unselected-chip: map_get($mat-grey, 300),
  disabled-list-option: map_get($mat-grey, 200),
);

// Foreground palette for light themes.
$mat-light-theme-foreground: (
  base:              black,
  divider:           $dark-dividers,
  dividers:          $dark-dividers,
  disabled:          $dark-disabled-text,
  disabled-button:   rgba(black, 0.26),
  disabled-text:     $dark-disabled-text,
  elevation:         black,
  hint-text:         $dark-disabled-text,
  secondary-text:    $dark-secondary-text,
  icon:              rgba(black, 0.54),
  icons:             rgba(black, 0.54),
  text:              rgba(black, 0.87),
  slider-min:        rgba(black, 0.87),
  slider-off:        rgba(black, 0.26),
  slider-off-active: rgba(black, 0.38),
);

@function mat-light-theme($primary, $accent, $warn: mat-palette($mat-red)) {
  @return (
    primary: $primary,
    accent: $accent,
    warn: $warn,
    is-dark: false,
    foreground: $mat-light-theme-foreground,
    background: $mat-light-theme-background,
  );
}