@use "sass:map";

@use "../abstracts/settings";
@use "../abstracts/themes";
@use "../abstracts/functions";

// Global Styles
body {
  width: 100%;
  height: 100%;
  margin: 0 auto;
  scroll-behavior: smooth;
  font-family: settings.$font-stack-sans;
  font-kerning: normal;
  font-variant-ligatures: normal;
  font-feature-settings: "kern", "liga", "calt", "clig", "ss01";

  // global base font size:
  font-size: 0.975em;
  line-height: 1.5;

  @include themes.themed(
    (
      background-color: "background-outer",
    )
  );

  // set themed lightbulb icons manually
  &.light button.dark-mode-toggle {
    background-image: url(themes.$icon-bulb-on);
  }

  &.dark button.dark-mode-toggle {
    background-image: url(themes.$icon-bulb-off);
  }
}

code,
pre,
.monospace {
  font-family: settings.$font-stack-mono;
  letter-spacing: normal;
}

// override above font-family if browser supports variable fonts
// https://caniuse.com/#feat=variable-fonts
@supports (font-variation-settings: normal) {
  body {
    font-family: settings.$font-stack-variable;
    font-optical-sizing: auto;
  }

  code,
  pre,
  .monospace {
    font-family: settings.$font-stack-mono-variable;
  }
}

a {
  text-decoration: none;
}

// this is what's extended by different layouts (in ../pages)
div.layout {
  max-width: settings.$max-width;
  margin: 0 auto;
  display: block; // https://stackoverflow.com/questions/28794718/max-width-not-working-for-ie-11
}

// stretch background for entire width of content area
main {
  width: 100%;
  padding: 0 1.5em;

  @include themes.themed(
    (
      color: "text",
      background-color: "background-inner",
    )
  );

  a {
    background-position: 0% 100%;
    background-repeat: no-repeat;
    background-size: 0% settings.$link-underline-size;
    padding-bottom: settings.$link-underline-size;

    @include themes.themed(
      $properties: (
        color: "links",
      ),
      $addTransitions: (
        background-size 0.25s ease-in-out,
      )
    );

    // cool link underlines via messy SCSS hacking (see ../abstracts/_functions)
    @each $theme, $map in themes.$themes {
      @at-root body.#{$theme} #{&} {
        background-image: functions.underline-hack(map.get($map, "links"), map.get($map, "background-inner"));
      }
    }

    &:hover {
      background-size: 100% settings.$link-underline-size;
    }

    // set an anchor's class to `no-underline` to disable all of this
    &.no-underline {
      background: none !important;
      padding-bottom: 0;
    }
  }

  // page titles
  h1 {
    margin-top: 0;
    letter-spacing: -0.005em;

    // stylelint-disable-next-line no-descending-specificity
    a {
      // disable fancy underline without `.no-underline`
      color: inherit !important;
      background: none !important;
      padding-bottom: 0;
    }
  }
}

// make SVG twemojis relative to surrounding text
// https://github.com/twitter/twemoji#inline-styles
img.emoji {
  height: 1.2em;
  width: 1.2em;
  margin: 0 0.05em;
  vertical-align: -0.22em;
  border: 0;
  display: inline-block;

  // have cursor act like it's hovering a regular unicode emoji, especially since twemojis can still be copied/pasted
  cursor: text;
}

// need to manually unset text cursor above when emoji's within a link
a img.emoji {
  cursor: inherit;
}

// Responsive
@mixin responsive() {
  body {
    // Safari iOS menu bar reappears below 44px:
    // https://www.eventbrite.com/engineering/mobile-safari-why/
    padding-bottom: 45px !important;

    // Allows you to scroll below the viewport; default value is visible
    overflow-y: scroll;
  }

  main {
    padding-left: 1.25em;
    padding-right: 1.25em;
  }
}