/**
 * Minima-inspired styling
 */

/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --base-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --base-font-size: 16px;
  --base-font-weight: 400;
  --small-font-size: 14px;
  --base-line-height: 1.75;

  --spacing-unit: 30px;
  --content-width: 800px;

  --text-color: #333;
  --background-color: #fff;
  --brand-color: #2a7ae2;
  --brand-color-dark: #1756a9;
  --grey-color: #828282;
  --grey-color-light: #e8e8e8;
  --grey-color-dark: #424242;

  --code-background: #eef;
}

html {
  font-size: var(--base-font-size);
}

body {
  font-family: var(--base-font-family);
  font-weight: var(--base-font-weight);
  line-height: var(--base-line-height);
  color: var(--text-color);
  background-color: var(--background-color);
  -webkit-text-size-adjust: 100%;
  font-feature-settings: "kern" 1;
  font-kerning: normal;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

/* Wrapper */
.wrapper {
  max-width: calc(var(--content-width) - (var(--spacing-unit) * 2));
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--spacing-unit);
  padding-left: var(--spacing-unit);
}

/* Clearfix */
.wrapper::after {
  content: "";
  display: table;
  clear: both;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
}

/* Links */
a {
  color: var(--brand-color);
  text-decoration: none;
}

a:visited {
  color: var(--brand-color-dark);
}

a:hover {
  color: var(--text-color);
  text-decoration: underline;
}

/* Blockquotes */
blockquote {
  color: var(--grey-color);
  border-left: 4px solid var(--grey-color-light);
  padding-left: calc(var(--spacing-unit) / 2);
  font-size: 1.125rem;
  letter-spacing: -1px;
  font-style: italic;
  margin: 1rem 0;
}

blockquote > :last-child {
  margin-bottom: 0;
}

/* Code */
pre, code {
  font-size: 15px;
  border: 1px solid var(--grey-color-light);
  border-radius: 3px;
  background-color: var(--code-background);
}

code {
  padding: 1px 5px;
}

pre {
  padding: 8px 12px;
  overflow-x: auto;
}

pre > code {
  border: 0;
  padding-right: 0;
  padding-left: 0;
}

/* Site header */
.site-header {
  border-top: 5px solid var(--grey-color-dark);
  border-bottom: 1px solid var(--grey-color-light);
  min-height: 55.95px;
  position: relative;
}

.site-title {
  font-size: 1.625rem;
  font-weight: bold;
  line-height: 54px;
  letter-spacing: -1px;
  margin-bottom: 0;
  float: left;
}

.site-title,
.site-title:visited {
  color: var(--grey-color-dark);
}

.site-nav {
  float: right;
  line-height: 54px;
}

.site-nav .page-link {
  color: var(--text-color);
  line-height: var(--base-line-height);
}

.site-nav .page-link:not(:last-child) {
  margin-right: 20px;
}

/* Page content */
.page-content {
  padding: var(--spacing-unit) 0;
  flex: 1;
}

.page-heading {
  font-size: 2rem;
}

/* Post list */
.post-list {
  margin-left: 0;
  list-style: none;
}

.post-list > li {
  margin-bottom: var(--spacing-unit);
}

.post-meta {
  font-size: var(--small-font-size);
  color: var(--grey-color);
}

.post-link {
  display: block;
  font-size: 1.5rem;
}

.post-excerpt {
  color: var(--grey-color-dark);
  margin-top: 0.5rem;
}

.rss-subscribe {
  margin-top: 2rem;
}

/* Posts */
.post-header {
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  padding-bottom: var(--spacing-unit);
  border-bottom: 1px solid var(--grey-color-light);
}

.post-title {
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: #222;
}

.post-content {
  margin-bottom: var(--spacing-unit);
}

.post-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--grey-color-light);
}

.post-content h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.post-content h4 {
  font-size: 1.25rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.post-content p {
  margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
  margin-left: var(--spacing-unit);
  margin-bottom: 1.25rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

/* Section headings (h2) get extra top margin for visual separation */
.post-content h2 + p,
.post-content h3 + p {
  margin-top: 0.5rem;
}

/* Bold text followed by content - add breathing room */
.post-content strong {
  font-weight: 600;
}

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1rem 0;
}

.post-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--grey-color-light);
}

.post-updated {
  font-size: var(--small-font-size);
  color: var(--grey-color);
}

/* Site footer */
.site-footer {
  border-top: 1px solid var(--grey-color-light);
  padding: var(--spacing-unit) 0;
}

.footer-heading {
  font-size: 1.125rem;
  margin-bottom: calc(var(--spacing-unit) / 2);
}

.contact-list,
.social-media-list {
  list-style: none;
  margin-left: 0;
}

.footer-col-wrapper {
  font-size: 15px;
  color: var(--grey-color);
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--spacing-unit) / -2);
}

.footer-col {
  padding-left: calc(var(--spacing-unit) / 2);
}

.footer-col-1 {
  flex: 0 0 35%;
  max-width: 35%;
}

.footer-col-2 {
  flex: 0 0 35%;
  max-width: 35%;
}

.footer-col-3 {
  flex: 0 0 30%;
  max-width: 30%;
}

.footer-col a {
  color: var(--brand-color);
}

.footer-col p {
  margin-bottom: 0.5rem;
}

/* Social icons */
.svg-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  fill: var(--grey-color);
  vertical-align: text-top;
  margin-right: 5px;
}

.social-media-list li {
  display: flex;
  align-items: center;
  margin-bottom: 5px;
}

.social-media-list .username {
  display: inline;
}

/* Syntax highlighting (Rouge) */
.highlight {
  background: var(--code-background);
  margin-bottom: 1rem;
}

.highlighter-rouge .highlight {
  background: var(--code-background);
}

/* Code colors */
.highlight .c { color: #998; font-style: italic } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { font-weight: bold } /* Keyword */
.highlight .o { font-weight: bold } /* Operator */
.highlight .cm { color: #998; font-style: italic } /* Comment.Multiline */
.highlight .cp { color: #999; font-weight: bold } /* Comment.Preproc */
.highlight .c1 { color: #998; font-style: italic } /* Comment.Single */
.highlight .cs { color: #999; font-weight: bold; font-style: italic } /* Comment.Special */
.highlight .gd { color: #000; background-color: #fdd } /* Generic.Deleted */
.highlight .gd .x { color: #000; background-color: #faa } /* Generic.Deleted.Specific */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #a00 } /* Generic.Error */
.highlight .gh { color: #999 } /* Generic.Heading */
.highlight .gi { color: #000; background-color: #dfd } /* Generic.Inserted */
.highlight .gi .x { color: #000; background-color: #afa } /* Generic.Inserted.Specific */
.highlight .go { color: #888 } /* Generic.Output */
.highlight .gp { color: #555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #aaa } /* Generic.Subheading */
.highlight .gt { color: #a00 } /* Generic.Traceback */
.highlight .kc { font-weight: bold } /* Keyword.Constant */
.highlight .kd { font-weight: bold } /* Keyword.Declaration */
.highlight .kp { font-weight: bold } /* Keyword.Pseudo */
.highlight .kr { font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #458; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #099 } /* Literal.Number */
.highlight .s { color: #d14 } /* Literal.String */
.highlight .na { color: #008080 } /* Name.Attribute */
.highlight .nb { color: #0086B3 } /* Name.Builtin */
.highlight .nc { color: #458; font-weight: bold } /* Name.Class */
.highlight .no { color: #008080 } /* Name.Constant */
.highlight .ni { color: #800080 } /* Name.Entity */
.highlight .ne { color: #900; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #900; font-weight: bold } /* Name.Function */
.highlight .nn { color: #555 } /* Name.Namespace */
.highlight .nt { color: #000080 } /* Name.Tag */
.highlight .nv { color: #008080 } /* Name.Variable */
.highlight .ow { font-weight: bold } /* Operator.Word */
.highlight .w { color: #bbb } /* Text.Whitespace */
.highlight .mf { color: #099 } /* Literal.Number.Float */
.highlight .mh { color: #099 } /* Literal.Number.Hex */
.highlight .mi { color: #099 } /* Literal.Number.Integer */
.highlight .mo { color: #099 } /* Literal.Number.Oct */
.highlight .sb { color: #d14 } /* Literal.String.Backtick */
.highlight .sc { color: #d14 } /* Literal.String.Char */
.highlight .sd { color: #d14 } /* Literal.String.Doc */
.highlight .s2 { color: #d14 } /* Literal.String.Double */
.highlight .se { color: #d14 } /* Literal.String.Escape */
.highlight .sh { color: #d14 } /* Literal.String.Heredoc */
.highlight .si { color: #d14 } /* Literal.String.Interpol */
.highlight .sx { color: #d14 } /* Literal.String.Other */
.highlight .sr { color: #009926 } /* Literal.String.Regex */
.highlight .s1 { color: #d14 } /* Literal.String.Single */
.highlight .ss { color: #990073 } /* Literal.String.Symbol */
.highlight .bp { color: #999 } /* Name.Builtin.Pseudo */
.highlight .vc { color: #008080 } /* Name.Variable.Class */
.highlight .vg { color: #008080 } /* Name.Variable.Global */
.highlight .vi { color: #008080 } /* Name.Variable.Instance */
.highlight .il { color: #099 } /* Literal.Number.Integer.Long */

/* MathJax overrides */
.MathJax {
  font-size: 1.1em !important;
}

.math.display,
.math.inline,
mjx-container {
  text-align: left !important;
  display: inline !important;
}

mjx-container[display="true"] {
  display: block !important;
  text-align: left !important;
  margin: 1.5em 0 !important;
}

/* Add subtle background to math blocks for visual separation */
mjx-container[display="true"] {
  padding: 0.5em 0;
}

/* Responsive design */
@media screen and (max-width: 800px) {
  .footer-col-wrapper {
    flex-direction: column;
  }

  .footer-col-1,
  .footer-col-2,
  .footer-col-3 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: var(--spacing-unit);
  }

  .site-nav {
    position: absolute;
    top: 9px;
    right: calc(var(--spacing-unit) / 2);
  }
}

@media screen and (max-width: 600px) {
  .post-title {
    font-size: 2rem;
  }

  .post-link {
    font-size: 1.25rem;
  }
}