/* Custom properties */
:root {
  --spacing-xs: 8px;
  --spacing-s: 12px;
  --spacing: 24px;
  --spacing-m: 36px;
  --spacing-l: 48px;

  --foreground: black;
  --background: white;
  --surface-soft: #fafafa;
  --surface-accent: #e0f7fa;
  --surface-overlay: white;
  --muted: #555;
  --muted-soft: #777;
  --muted-faint: #888;
  --border-subtle: #eee;
  --code-border: #e8c0c0;
  --red: #f83735;
  --red-light: #fecbca;
  --yellow: #fac832;
  --blue: #1231b5;
  --blue-light: #84b4f9;

  --font-size: 18px;
  --font-size-s: 16px;
  --font-size-xs: 14px;

  --content-width: 700px;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
blockquote,
pre {
  margin: 0;
  padding: 0;
  border: 0;
}

::selection {
  background: var(--red-light);
}

/* Base */
body {
  font-family:
    "Rubik",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;
  font-size: var(--font-size);
  line-height: 1.5;
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding: 1em;
}

/* Keep typography consistent across inherited and form-like elements */
html,
body,
button,
input,
textarea,
select {
  font-family:
    "Rubik",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;
}

.content-wrap {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* Links */
a {
  color: var(--blue);
  text-decoration: none;
  background-image: linear-gradient(
    to bottom,
    transparent 98%,
    var(--blue) 100%
  );
  font-weight: bold;
  transition: color 0.2s ease-in-out;
}

a:hover {
  color: var(--red);
  background-image: linear-gradient(
    to bottom,
    transparent 98%,
    var(--red) 100%
  );
}

/* Paragraphs */
p {
  margin-bottom: 1.5rem;
}

/* Headings */
h1 {
  font-size: 36px;
  font-weight: 800;
  margin: var(--spacing-l) 0 var(--spacing);
}

h2 {
  font-size: 30px;
  font-weight: 700;
  margin: var(--spacing-l) 0 var(--spacing);
}

h3 {
  font-size: 24px;
  font-weight: 700;
  margin: var(--spacing-m) 0 var(--spacing-s);
}

h1 a,
h2 a,
h3 a {
  color: var(--foreground);
  background-image: none;
}

h1 a:hover,
h2 a:hover,
h3 a:hover {
  color: var(--blue);
  background-image: none;
}

/* Lists */
ol,
ul {
  margin: 0;
  padding: 0;
}
li {
  margin-bottom: 0.5em;
}

/* Blockquote */
blockquote {
  background: var(--surface-accent);
  margin: 30px var(--spacing-l);
  padding: 14px var(--spacing-s);
}

/* HR */
hr {
  background-color: var(--yellow);
  border: 0;
  margin: 50px auto;
  width: 50%;
  height: 5px;
  border-radius: 5px;
  max-width: 430px;
  clear: both;
}

/* Code */
code {
  font-family: ui-monospace, Consolas, Menlo, Monaco, "Courier New", monospace;
  font-size: var(--font-size-s);
  background: var(--red-light);
  border: 1px solid var(--code-border);
  padding: 2px 4px;
  border-radius: 2px;
}

pre {
  background: var(--surface-soft);
  outline: 1px solid var(--border-subtle);
  border-left: 5px solid var(--yellow);
  padding: var(--spacing-s);
  overflow-x: auto;
  margin-bottom: var(--spacing-m);
}

pre code {
  background: transparent;
  outline: none;
  border: none;
  font-weight: normal;
}

/* highlight.js token colors */
.hljs {
  color: #424242;
  background: transparent;
}

.hljs-comment,
.hljs-quote {
  color: #8e908c;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-name {
  color: #8959a8;
}

.hljs-string,
.hljs-doctag {
  color: #718c00;
}

.hljs-title,
.hljs-section,
.hljs-selector-id,
.hljs-selector-class {
  color: #4271ae;
}

.hljs-number,
.hljs-type,
.hljs-built_in,
.hljs-builtin-name,
.hljs-params,
.hljs-meta {
  color: #f5871f;
}

.hljs-variable,
.hljs-template-variable,
.hljs-tag,
.hljs-attr,
.hljs-attribute,
.hljs-regexp,
.hljs-link {
  color: #c82829;
}

/* -----------------------------------------------
   Page header / site logo
   ----------------------------------------------- */
.header {
  margin: 0 0 var(--spacing);
}

.header h1 {
  font-size: 36px;
  font-weight: 800;
  margin: 0 0 var(--spacing-s);
}

/* .header a,
.header a:hover {
  color: var(--foreground);
} */

.header .description {
  font-size: var(--font-size-s);
  color: var(--muted);
  margin: 0;
}

.site-title {
  font-size: var(--font-size-s);
  font-weight: 800;
  letter-spacing: 0.03em;
  margin: 0 0 var(--spacing);
  text-transform: uppercase;
}

/* .site-title a {
  color: var(--foreground);
}

.site-title a:hover {
  color: var(--blue);
} */

/* -----------------------------------------------
   Year headings with red underline accent
   ----------------------------------------------- */
.with-butt {
  position: relative;
  display: inline-block;
}

.with-butt::after {
  content: "";
  position: absolute;
  width: var(--spacing-l);
  height: var(--spacing-s);
  bottom: calc(0px - var(--spacing-s));
  left: 0;
  border-bottom: 6px solid var(--red);
}

/* -----------------------------------------------
   Post listings  (archive & index)
   ----------------------------------------------- */
ul.listing {
  list-style: none;
  margin: var(--spacing-m) 0 0;
  padding: 0;
}

ul.listing li {
  font-size: var(--font-size-s);
  padding: 5px 3px;
  margin: 0;
  color: var(--foreground);
}

ul.listing.table li {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
}

ul.listing.fancy a {
  color: var(--foreground);
  padding-bottom: 2px;
  font-weight: normal;
  position: relative;
}

ul.listing li span {
  font-size: var(--font-size-xs);
  text-align: right;
  letter-spacing: 2px;
  flex-shrink: 0;
  text-transform: uppercase;
  color: var(--muted-soft);
}

/* Diagonal-hatch hover effect on links */
ul.listing.fancy a:hover {
  background: var(--surface-overlay);
}
ul.listing.fancy a:hover::before {
  position: absolute;
  display: block;
  left: -20px;
  bottom: -10px;
  content: "";
  height: 18px;
  width: 80%;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--blue-light),
    var(--blue-light) 2px,
    var(--surface-overlay) 2px,
    var(--surface-overlay) 6px
  );
  z-index: -1;
}

/* -----------------------------------------------
   Article cards (index page)
   ----------------------------------------------- */
article.article.intro {
  margin: var(--spacing-m) 0;
  border-top: 5px solid var(--yellow);
  padding-top: var(--spacing);
}

article.article.intro header h2 {
  font-size: 26px;
  font-weight: 800;
  margin: var(--spacing-s) 0;
}

/* article.article.intro header h2 a {
  color: var(--foreground);
}

article.article.intro header h2 a:hover {
  color: var(--red);
} */

article.article.intro .date {
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin: 0;
}

article.article.intro .content {
  margin-top: var(--spacing-s);
}

article.article.intro .more {
  margin-top: var(--spacing-s);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* article.article.intro .more a {
  color: var(--red);
}

article.article.intro .more a:hover {
  color: var(--blue);
} */

/* -----------------------------------------------
   Article detail page
   ----------------------------------------------- */
body.article-detail > header .logo {
  border-bottom: 5px solid var(--yellow);
  /* padding-bottom: var(--spacing-m); */
  margin-bottom: var(--spacing-m);
}

body.article-detail > header h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-s);
  line-height: 1.2;
}

.author {
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin: 0;
}

/* Content area inside articles */
#content p {
  margin-bottom: 1.5rem;
}
#content ul,
#content ol {
  margin-left: var(--spacing);
  margin-bottom: var(--spacing-m);
}
#content li {
  margin-bottom: var(--spacing-s);
  line-height: 1.5;
}
#content img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
  border-radius: 5px;
}

/* -----------------------------------------------
   Footer
   ----------------------------------------------- */
footer {
  margin: var(--spacing-l) 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--spacing-m);
}

footer .about {
  font-size: var(--font-size-xs);
  color: var(--muted);
}

footer .copy {
  font-size: var(--font-size-xs);
  color: var(--muted-faint);
  margin-top: var(--spacing);
}

footer .copy a {
  color: var(--muted-faint);
  font-weight: normal;
}

footer .nav {
  margin-top: var(--spacing-m);
}

/* footer .nav a {
  color: var(--red);
  font-weight: bold;
  margin-right: var(--spacing);
}

footer .nav a:hover {
  color: var(--blue);
} */

/* -----------------------------------------------
   Responsive
   ----------------------------------------------- */
@media screen and (max-width: 600px) {
  body {
    padding: 0.5em;
  }
  blockquote {
    margin: 30px 0;
  }
}

/* syntax hl stuff */

code.lang-markdown {
  color: #424242;
}

code.lang-markdown .header,
code.lang-markdown .strong {
  font-weight: bold;
}

code.lang-markdown .emphasis {
  font-style: italic;
}

code.lang-markdown .horizontal_rule,
code.lang-markdown .link_label,
code.lang-markdown .code,
code.lang-markdown .header,
code.lang-markdown .link_url {
  color: var(--muted);
}

code.lang-markdown .blockquote,
code.lang-markdown .bullet {
  color: #bbb;
}

/* Tomorrow Theme */
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
/* Original theme - https://github.com/chriskempson/tomorrow-theme */
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
.tomorrow-comment,
pre .comment,
pre .title {
  color: #8e908c;
}

.tomorrow-red,
pre .variable,
pre .attribute,
pre .tag,
pre .regexp,
pre .ruby .constant,
pre .xml .tag .title,
pre .xml .pi,
pre .xml .doctype,
pre .html .doctype,
pre .css .id,
pre .css .class,
pre .css .pseudo {
  color: #c82829;
}

.tomorrow-orange,
pre .number,
pre .preprocessor,
pre .built_in,
pre .literal,
pre .params,
pre .constant {
  color: #f5871f;
}

.tomorrow-yellow,
pre .class,
pre .ruby .class .title,
pre .css .rules .attribute {
  color: #eab700;
}

.tomorrow-green,
pre .string,
pre .value,
pre .inheritance,
pre .header,
pre .ruby .symbol,
pre .xml .cdata {
  color: #718c00;
}

.tomorrow-aqua,
pre .css .hexcolor {
  color: #3e999f;
}

.tomorrow-blue,
pre .function,
pre .python .decorator,
pre .python .title,
pre .ruby .function .title,
pre .ruby .title .keyword,
pre .perl .sub,
pre .javascript .title,
pre .coffeescript .title {
  color: #4271ae;
}

.tomorrow-purple,
pre .keyword,
pre .javascript .function {
  color: #8959a8;
}

/* media queries */

@media (min-width: 1600px) {
  body {
    font-size: 26px;
  }
}

@media (max-width: 800px) {
  body {
    font-size: 18px;
  }
}

@media (max-width: 690px) {
  .content-wrap {
    width: auto;
    padding: 0 1em;
  }
  .header {
    margin: 1em 0;
  }
  .header h1 {
    font-size: 1.4em;
    margin-bottom: 0.6em;
  }
  .header .description {
    font-size: 1em;
  }
  .article {
    margin: 1em 0 2.5em;
  }
  .archive {
    width: 80%;
    margin: 0 auto;
  }
  .archive * {
    float: none !important;
    line-height: 1.6 !important;
    width: 100% !important;
    height: auto !important;
    text-align: left !important;
    border: 0 !important;
    margin: 0 !important;
  }
  footer .nav {
    margin: 1em 0;
  }
  footer .about {
    padding: 0;
    font-size: 0.9em;
    padding-top: 1.6em;
    -webkit-column-count: 1;
    -moz-column-count: 1;
    -ms-column-count: 1;
    column-count: 1;
  }
  footer .about p {
    margin-bottom: 1em;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --foreground: #e5e0d6;
    --background: #191d28;
    --surface-soft: #222838;
    --surface-accent: #25334a;
    --surface-overlay: #1f2534;
    --muted: #c1c9db;
    --muted-soft: #a1abc4;
    --muted-faint: #909db8;
    --border-subtle: #36405b;
    --code-border: #63525f;

    /* Keep brand hue relationships while lifting contrast on dark backgrounds */
    --red: #ff6e68;
    --red-light: #4f2f38;
    --yellow: #ffd56a;
    --blue: #9ec2ff;
    --blue-light: #6fa1ff;
  }

  ::selection {
    background: #5d3942;
  }

  code.lang-markdown {
    color: var(--foreground);
  }

  code.lang-markdown .blockquote,
  code.lang-markdown .bullet {
    color: #7f8caf;
  }

  .hljs {
    color: #e2e6f4;
  }

  .hljs-comment,
  .hljs-quote,
  .tomorrow-comment,
  pre .comment,
  pre .title {
    color: #9da9c7;
  }

  .hljs-string,
  .hljs-doctag,
  .tomorrow-green,
  pre .string,
  pre .value,
  pre .inheritance,
  pre .header,
  pre .ruby .symbol,
  pre .xml .cdata {
    color: #b6dd76;
  }

  .hljs-keyword,
  .hljs-selector-tag,
  .hljs-literal,
  .hljs-name,
  .tomorrow-purple,
  pre .keyword,
  pre .javascript .function {
    color: #d1a8ff;
  }

  .hljs-title,
  .hljs-section,
  .hljs-selector-id,
  .hljs-selector-class,
  .tomorrow-blue,
  pre .function,
  pre .python .decorator,
  pre .python .title,
  pre .ruby .function .title,
  pre .ruby .title .keyword,
  pre .perl .sub,
  pre .javascript .title,
  pre .coffeescript .title {
    color: #9ec2ff;
  }

  .hljs-number,
  .hljs-type,
  .hljs-built_in,
  .hljs-builtin-name,
  .hljs-params,
  .hljs-meta,
  .tomorrow-orange,
  pre .number,
  pre .preprocessor,
  pre .built_in,
  pre .literal,
  pre .params,
  pre .constant {
    color: #ffbd72;
  }

  .hljs-variable,
  .hljs-template-variable,
  .hljs-tag,
  .hljs-attr,
  .hljs-attribute,
  .hljs-regexp,
  .hljs-link,
  .tomorrow-red,
  pre .variable,
  pre .attribute,
  pre .tag,
  pre .regexp,
  pre .ruby .constant,
  pre .xml .tag .title,
  pre .xml .pi,
  pre .xml .doctype,
  pre .html .doctype,
  pre .css .id,
  pre .css .class,
  pre .css .pseudo {
    color: #ff8b8b;
  }

  .tomorrow-yellow,
  pre .class,
  pre .ruby .class .title,
  pre .css .rules .attribute {
    color: #ffd56a;
  }

  .tomorrow-aqua,
  pre .css .hexcolor {
    color: #76ccd3;
  }
}