website/sass/_picostyle.scss

// common pico theme styles
:root {
  // font face defined in custom.scss
  --font-family: "courier prime code", sans-serif;
  // pico default theme:
  //--font-family: system-ui, -apple-system, "Segoe UI", "Roboto", "Ubuntu",
  //  "Cantarell", "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
  //  "Segoe UI Symbol", "Noto Color Emoji";
  --line-height: 1.5;
  --font-weight: 400;
  --font-size: 16px;

  // responsive typography
  @if $enable-responsive-typography {
    @if map-get($breakpoints, "sm") {
      @media (min-width: map-get($breakpoints, "sm")) {
        --font-size: 18px;
      }
    }
    @if map-get($breakpoints, "md") {
      @media (min-width: map-get($breakpoints, "md")) {
        --font-size: 21px;
        --line-height: 1.4;
      }
    }
    @if map-get($breakpoints, "lg") {
      @media (min-width: map-get($breakpoints, "lg")) {
        --font-size: 22px;
      }
    }
    //@if map-get($breakpoints, "xl") {
    //  @media (min-width: map-get($breakpoints, "xl")) {
    //    --font-size: 22px;
    //  }
    //}
  }

  // borders
  --border-radius: 0.25rem;
  --border-width: 1px;
  --outline-width: 3px;

  // spacings
  --spacing: 1rem;

  // spacings for typography elements
  --typography-spacing-vertical: 1.5rem;

  // spacings for body > header, body > main, body > footer, section, article
  --block-spacing-vertical: calc(var(--spacing) * 2);
  --block-spacing-horizontal: var(--spacing);

  @if ($enable-classes and $enable-grid) {
    --grid-spacing-vertical: 0;
    --grid-spacing-horizontal: var(--spacing);
  }

  // spacings for form elements and button
  --form-element-spacing-vertical: 0.75rem;
  --form-element-spacing-horizontal: 1rem;

  // spacings for nav component
  --nav-element-spacing-vertical: 1rem;
  --nav-element-spacing-horizontal: 0.5rem;
  --nav-link-spacing-vertical: 0.5rem;
  --nav-link-spacing-horizontal: 0.5rem;

  // font weight for form labels & fieldsets legend
  --form-label-font-weight: var(--font-weight);

  // transitions
  --transition: 0.2s ease-in-out;

  // modal (<dialog>)
  --modal-overlay-backdrop-filter: blur(0.25rem);
}

// responsives spacings
@if $enable-responsive-spacings {
  // Sectioning
  #{$semantic-root-element} > header,
  #{$semantic-root-element} > main,
  #{$semantic-root-element} > footer,
  section {
    @if map-get($breakpoints, "sm") {
      @media (min-width: map-get($breakpoints, "sm")) {
        --block-spacing-vertical: calc(var(--spacing) * 2.5);
      }
    }

    @if map-get($breakpoints, "md") {
      @media (min-width: map-get($breakpoints, "md")) {
        --block-spacing-vertical: calc(var(--spacing) * 3);
      }
    }

    @if map-get($breakpoints, "lg") {
      @media (min-width: map-get($breakpoints, "lg")) {
        --block-spacing-vertical: calc(var(--spacing) * 3.5);
      }
    }

    @if map-get($breakpoints, "xl") {
      @media (min-width: map-get($breakpoints, "xl")) {
        --block-spacing-vertical: calc(var(--spacing) * 4);
      }
    }
  }

  // card (<article>)
  article {
    @if map-get($breakpoints, "sm") {
      @media (min-width: map-get($breakpoints, "sm")) {
        --block-spacing-horizontal: calc(var(--spacing) * 1.25);
      }
    }

    @if map-get($breakpoints, "md") {
      @media (min-width: map-get($breakpoints, "md")) {
        --block-spacing-horizontal: calc(var(--spacing) * 1.5);
      }
    }

    @if map-get($breakpoints, "lg") {
      @media (min-width: map-get($breakpoints, "lg")) {
        --block-spacing-horizontal: calc(var(--spacing) * 1.75);
      }
    }

    @if map-get($breakpoints, "xl") {
      @media (min-width: map-get($breakpoints, "xl")) {
        --block-spacing-horizontal: calc(var(--spacing) * 2);
      }
    }
  }

  // modal
  dialog > article {

    --block-spacing-vertical: calc(var(--spacing) * 2);
    --block-spacing-horizontal: var(--spacing);

    @if map-get($breakpoints, "sm") {
      @media (min-width: map-get($breakpoints, "sm")) {
        --block-spacing-vertical: calc(var(--spacing) * 2.5);
        --block-spacing-horizontal: calc(var(--spacing) * 1.25);
      }
    }

    @if map-get($breakpoints, "md") {
      @media (min-width: map-get($breakpoints, "md")) {
        --block-spacing-vertical: calc(var(--spacing) * 3);
        --block-spacing-horizontal: calc(var(--spacing) * 1.5);
      }
    }
  }
}

// link
a {
  --text-decoration: none;

  // Secondary & Contrast
  @if $enable-classes {
    &.secondary,
    &.contrast {
      --text-decoration: underline;
    }
  }
}

// small
small {
  --font-size: 0.875em;
}

// headings
h1,
h2,
h3,
h4,
h5,
h6 {
  --font-weight: 700;
}

h1 {
  --font-size: 2rem;
  --typography-spacing-vertical: 3rem;
}

h2 {
  --font-size: 1.75rem;
  --typography-spacing-vertical: 2.625rem;
}

h3 {
  --font-size: 1.5rem;
  --typography-spacing-vertical: 2.25rem;
}

h4 {
  --font-size: 1.25rem;
  --typography-spacing-vertical: 1.874rem;
}

h5 {
  --font-size: 1.125rem;
  --typography-spacing-vertical: 1.6875rem;
}

// forms elements
[type="checkbox"],
[type="radio"] {
  --border-width: 2px;
}

[type="checkbox"][role="switch"] {
  --border-width: 3px;
}

// table
thead,
tfoot {
  th,
  td {
    --border-width: 3px;
  }
}

:not(thead, tfoot) > * > td {
  --font-size: 0.875em;
}

// code
pre,
code,
kbd,
samp {
  // font face defined in custom.scss
  --font-family: "courier prime code", "Menlo", "Consolas", "Roboto Mono", "Noto Mono",
    "Liberation Mono", monospace;
  // pico default theme:
  //--font-family: "Menlo", "Consolas", "Roboto Mono", "Ubuntu Monospace",
  //  "Noto Mono", "Oxygen Mono", "Liberation Mono", monospace,
  //  "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

kbd {
  --font-weight: bolder;
}