/* #region normalize.css */

/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Remove the margin in all browsers.
 */

body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */

main {
  display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */

/**
 * Remove the gray background on active links in IE 10.
 */

a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10.
 */

img {
  border-style: none;
}

/* Forms
   ========================================================================== */

/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */

button,
input {
  /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select {
  /* 1 */
  text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */

legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
  display: list-item;
}

/* Misc
   ========================================================================== */

/**
 * Add the correct display in IE 10+.
 */

template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */

[hidden] {
  display: none;
}
/* End Normalize */

/* #endregion */

:root {
  --brand-color: #0004ff;
  --text-strong: #00011c;
  --text-weak: #373742;
  --stroke-strong: #60606a;
  --stroke-weak: #e1e1eb;
  --link-visited: #0e0e99;
  --fill: #eeeef4;
  --spacing: 0.25rem;
  --type-scale-ratio: 1.2;
  --header-line-height: 1.25;
  --body-line-height: 1.75;
}

@font-face {
  font-family: "Roboto";
  src: url("/theme/roboto-latin-400-normal.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Roboto";
  src: url("/theme/roboto-latin-700-normal.woff2") format("woff2");
  font-weight: bold;
  font-style: normal;
}
@font-face {
  font-family: "Roboto";
  src: url("/theme/roboto-latin-400-italic.woff2") format("woff2");
  font-weight: normal;
  font-style: italic;
}
@font-face {
  font-family: "Roboto";
  src: url("/theme/roboto-latin-700-italic.woff2") format("woff2");
  font-weight: bold;
  font-style: italic;
}
@font-face {
  font-family: "Roboto Mono";
  src: url("/theme/roboto-mono-latin-400-normal.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}

html {
  font-size: 1.2rem;
  line-height: var(--body-line-height);
  color: var(--text-strong);
  font-family: "Roboto", sans-serif;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  height: 100%;
}

p,
a,
div,
span,
li,
code {
  font-size: 1rem;
}
h4 {
  font-size: calc(1rem * pow(var(--type-scale-ratio), 1));
}
h3 {
  font-size: calc(1rem * pow(var(--type-scale-ratio), 2));
}
h2 {
  font-size: calc(1rem * pow(var(--type-scale-ratio), 3));
}
h1 {
  font-size: calc(1rem * pow(var(--type-scale-ratio), 4));
}

main li {
  margin-bottom: calc(var(--spacing) * 2);
}

p.time {
  margin: 0 0 calc(var(--spacing) * 6);
  color: var(--text-weak);
}

/* h1 {
  margin: 0;
} */
h1,
h2,
h3,
h4,
ul {
  margin: calc(var(--spacing) * 1) 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.25;
}

p {
  margin: calc(var(--spacing) * 4) 0;
}

a,
a:link {
  text-decoration: underline;
  color: var(--brand-color);

  &:focus,
  &:active {
    outline: 2px solid var(--link-visited);
  }

  &:visited {
    color: var(--link-visited);
  }

  &:hover {
    text-decoration: none;
  }
}

@media screen and (min-width: 700px) {
  main,
  .header-inner {
    max-width: 700px;
    margin: 0 auto;
  }
}

main {
  padding: calc(var(--spacing) * 8) calc(var(--spacing) * 8)
    calc(var(--spacing) * 2);
  flex-grow: 1;
}

section {
  margin: calc(var(--spacing) * 10) 0;
}

pre {
  margin: 0;
}

code {
  background-color: var(--fill);
  padding: 0 calc(var(--spacing) * 1);
  font-family: "Roboto Mono", monospace;
}

pre code {
  background-color: var(--fill);
  padding: 0 calc(var(--spacing) * 1);
  font-family: "Roboto Mono", monospace;
  margin: calc(var(--spacing) * 4) 0;
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 4);
  display: block;
  overflow-x: scroll;
  line-height: 1.5;
}

header:not(.article-header) {
  border-bottom: 1px solid var(--stroke-weak);
  background-color: var(--fill);
  flex-shrink: 0;
}
footer {
  background-color: var(--fill);
  height: 2rem;
  flex-shrink: 0;
}
.header-inner {
  padding: calc(var(--spacing) * 6) calc(var(--spacing) * 8);
  display: flex;
  justify-content: space-between;
  line-height: var(--header-line-height);

  .wordmark {
    margin: 0;
    a,
    a:link,
    a:hover,
    a:visited,
    a:active {
      font-size: 1.5rem;
      text-decoration: none;
      color: var(--text-strong);
    }
  }

  .tagline {
    color: var(--text-weak);
    margin: 0;
  }
}

nav.menu {
  display: flex;
  ul {
    margin: 0;
    list-style-type: none;
    display: flex;
    li {
      margin-left: calc(var(--spacing) * 8);
      display: flex;
      flex-direction: column;
      justify-content: end;
    }
  }

  a,
  a:link,
  a:visited {
    text-decoration: none;
    color: var(--text-strong);
    padding: 0 calc(var(--spacing) * 1) calc(var(--spacing) * 1);
    border-bottom: 2px solid var(--fill);
  }

  a:hover {
    /* font-weight: bold; */
  }

  a:hover,
  a.current {
    border-bottom: 2px solid var(--text-strong);
  }
}

blockquote {
  font-style: italic;
  background-color: var(--fill);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 4);
  margin: 0 0 0 calc(var(--spacing) * 6);
}