// scss-lint:disable VendorPrefix
@mixin typo-preferred-font($use-preferred: true) {
  @if $use-preferred {
    font-family: $preferred-font;
  }
}

@mixin typo-display-4($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 11.2;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.04em;

  @if $color-contrast {
    opacity: .54;
  }
}

@mixin typo-display-3($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 5.6;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -.02em;

  @if $color-contrast {
    opacity: .54;
  }
}

@mixin typo-display-2($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 4.5;
  font-weight: 400;
  line-height: $unit * 4.8;

  @if $color-contrast {
    opacity: .54;
  }
}

@mixin typo-display-1($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 3.4;
  font-weight: 400;
  line-height: $unit * 4;

  @if $color-contrast {
    opacity: .54;
  }
}

@mixin typo-headline($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 2.4;
  font-weight: 400;
  line-height: $unit * 3.2;
  -moz-osx-font-smoothing: grayscale;

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-title($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 2;
  font-weight: 500;
  line-height: 1;
  letter-spacing: .02em;

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-subhead($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.6;
  font-weight: 400;
  line-height: $unit * 2.4;
  letter-spacing: .04em;

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-subhead-2($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.6;
  font-weight: 400;
  line-height: $unit * 2.8;
  letter-spacing: .04em;

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-body-2($color-contrast: false, $use-preferred: false) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.4;
  line-height: $unit * 2.4;
  letter-spacing: 0;

  @if $use-preferred {
    font-weight: 500;
  } @else {
    font-weight: bold;
  }

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-body-1($color-contrast: false, $use-preferred: false) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.4;
  font-weight: 400;
  line-height: $unit * 2.4;
  letter-spacing: 0;

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-caption($color-contrast: false, $use-preferred: false) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.2;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;

  @if $color-contrast {
    opacity: .54;
  }
}

@mixin typo-blockquote($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  position: relative;
  font-size: $unit * 2.4;
  font-style: italic;
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: .08em;

  &:before {
    position: absolute;
    left: -.5em;
    content: "“";
  }

  &:after {
    margin-left: -.05em;
    content: "”";
  }

  @if $color-contrast {
    opacity: .54;
  }
}

@mixin typo-menu($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.4;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;

  @if $color-contrast {
    opacity: .87;
  }
}

@mixin typo-button($color-contrast: false, $use-preferred: true) {
  @include typo-preferred-font($use-preferred);
  font-size: $unit * 1.4;
  font-weight: 500;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0;

  @if $color-contrast {
    opacity: .87;
  }
}

//-- Shadows
@mixin focus-shadow() {
  box-shadow: 0 0 8px rgba(0, 0, 0, .18), 0 8px 16px rgba(0, 0, 0, .36);
}

@mixin shadow-2dp() {
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, $shadow-key-penumbra-opacity),
  0 3px 1px -2px rgba(0, 0, 0, $shadow-key-umbra-opacity),
  0 1px 5px 0 rgba(0, 0, 0, $shadow-ambient-shadow-opacity);
}

@mixin shadow-3dp() {
  box-shadow: 0 3px 4px 0 rgba(0, 0, 0, $shadow-key-penumbra-opacity),
  0 3px 3px -2px rgba(0, 0, 0, $shadow-key-umbra-opacity),
  0 1px 8px 0 rgba(0, 0, 0, $shadow-ambient-shadow-opacity);
}

@mixin shadow-4dp() {
  box-shadow: 0 4px 5px 0 rgba(0, 0, 0, $shadow-key-penumbra-opacity),
  0 1px 10px 0 rgba(0, 0, 0, $shadow-ambient-shadow-opacity),
  0 2px 4px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity);
}

@mixin shadow-6dp() {
  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, $shadow-key-penumbra-opacity),
  0 1px 18px 0 rgba(0, 0, 0, $shadow-ambient-shadow-opacity),
  0 3px 5px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity);
}

@mixin shadow-8dp() {
  box-shadow: 0 8px 10px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity),
  0 3px 14px 2px rgba(0, 0, 0, $shadow-ambient-shadow-opacity),
  0 5px 5px -3px rgba(0, 0, 0, $shadow-key-umbra-opacity);
}

@mixin shadow-16dp() {
  box-shadow: 0 16px 24px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity),
  0 6px 30px 5px rgba(0, 0, 0, $shadow-ambient-shadow-opacity),
  0 8px 10px -5px rgba(0, 0, 0, $shadow-key-umbra-opacity);
}

//-- Animations
@mixin material-animation-fast-out-slow-in($duration: .2s) {
  transition-timing-function: $animation-curve-fast-out-slow-in;
  transition-duration: $duration;
}

@mixin material-animation-linear-out-slow-in($duration: .2s) {
  transition-timing-function: $animation-curve-linear-out-slow-in;
  transition-duration: $duration;
}

@mixin material-animation-fast-out-linear-in($duration: .2s) {
  transition-timing-function: $animation-curve-fast-out-linear-in;
  transition-duration: $duration;
}

@mixin material-animation-default($duration: .2s) {
  transition-timing-function: $animation-curve-default;
  transition-duration: $duration;
}

@mixin no-webkit-scrollbar {
  &::-webkit-scrollbar {
    width: 0;
    height: 0;
  }
}