@use "tools/a11y";
@use "tools/borders";
@use "tools/colour";
@use "tools/spacing";
@use "tools/typography";

$code-block-top-bar-height: spacing.space(2);
$code-font-family: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace;

code,
pre {
  font-family: $code-font-family;
}

code {
  color: #be0e5a;
  font-size: 0.95em;

  background-color: #f1ece9;

  .tna-template--dark-theme & {
    // color: #ffa07a;
    color: #d49;

    // background-color: #2b2b2b;
    background-color: #111;
  }

  .tna-template--system-theme & {
    @media (prefers-color-scheme: dark) {
      // color: #ffa07a;
      color: #d49;

      // background-color: #2b2b2b;
      background-color: #111;
    }
  }
}

code[class*="language-"],
pre[class*="language-"] {
  color: #393a34;
  text-align: left;
  direction: ltr;
  word-break: normal;
  white-space: pre;
  word-spacing: normal;

  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;

  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
}

pre[class*="language-"] {
  overflow: auto;

  background-color: #f5f2f0;

  @include a11y.focus-indicator-only-on-keyboard-focus;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #6e6e5e;
}

.token.namespace {
  opacity: 0.7;
}

.token.string,
.token.attr-value {
  color: #be0e5a;
}

.token.punctuation,
.token.operator {
  color: #393a34; /* no highlight */
}

.token.entity,
.token.url,
.token.symbol,
.token.number,
.token.boolean,
.token.variable,
.token.constant,
.token.property,
.token.regex,
.token.inserted {
  color: #247a78;
}

.token.atrule,
.token.keyword,
.token.attr-name {
  color: #00759d;
}

.token.tag,
.token.selector {
  color: #00009f;
}

.token.function,
.token.deleted {
  color: #9a050f;
}

.token.important,
.token.function,
.token.bold {
  font-weight: bold;
}

.token.italic {
  font-style: italic;
}

@mixin dark-theme-code {
  code[class*="language-"],
  pre[class*="language-"] {
    color: #f8f8f2;
  }

  pre[class*="language-"] {
    background: #2b2b2b;
  }

  .token.comment,
  .token.prolog,
  .token.doctype,
  .token.cdata {
    color: #d4d0ab;
  }

  .token.punctuation {
    color: #fefefe;
  }

  .token.property,
  .token.tag,
  .token.constant,
  .token.symbol,
  .token.deleted {
    color: #ffa07a;
  }

  .token.boolean,
  .token.number {
    color: #00e0e0;
  }

  .token.selector,
  .token.attr-name,
  .token.string,
  .token.char,
  .token.builtin,
  .token.inserted {
    color: #abe338;
  }

  .token.operator,
  .token.entity,
  .token.url,
  .language-css .token.string,
  .style .token.string,
  .token.variable {
    color: #00e0e0;
  }

  .token.atrule,
  .token.attr-value,
  .token.function {
    color: #ffd700;
  }

  .token.keyword {
    color: #00e0e0;
  }

  .token.regex,
  .token.important {
    color: #ffd700;
  }
}

.tna-template--dark-theme {
  @include dark-theme-code;
}

.tna-template--system-theme {
  @media (prefers-color-scheme: dark) {
    @include dark-theme-code;
  }
}

.tna-code-block {
  @include spacing.space-above;

  position: relative;

  @include typography.font-size(16);
  line-height: 1.5;

  @include colour.colour-border("keyline", 1px);
  @include borders.rounded-border;

  &__pre {
    padding: spacing.space(1);

    overflow: auto;

    position: relative;

    border-radius: 0.1px;

    code[class*="language-"] {
      background: transparent;
    }
  }

  &:has(&__copy),
  &[title] {
    padding-top: $code-block-top-bar-height;

    &::after {
      content: "";

      height: $code-block-top-bar-height;

      position: absolute;
      top: 0;
      right: 0;
      left: 0;
      z-index: 1;

      @include colour.tint;

      @include colour.on-high-contrast-and-forced-colours {
        @include colour.colour-border("keyline", 1px, solid, bottom);
      }
    }
  }

  &[title] {
    &::before {
      content: attr(title);

      margin-top: 0;

      padding: 0 spacing.space(7) 0 spacing.space(1);

      display: block;
      overflow: hidden;

      position: absolute;
      top: 0;
      right: 0;
      left: 0;
      z-index: 2;

      font-family: $code-font-family;
      line-height: $code-block-top-bar-height;
      text-overflow: ellipsis;
      text-wrap: nowrap;

      pointer-events: none;
    }
  }

  &__copy {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 3;
  }
}