/* Light mode (default) */
:root {
  --background-color: #fcfaf8;
  --text-color: #2c2826;
  --text-color-light: #5c534d;
  --link-color: #8b4513;
  --link-hover-color: #654321;
  --border-color: #e8e2dd;
  --heading-color: #1a1614;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #1c1917;
    --text-color: #e8e2dd;
    --text-color-light: #b8afa8;
    --link-color: #d4a373;
    --link-hover-color: #e6ccb2;
    --border-color: #2d2826;
    --heading-color: #f8f4f1;
  }
}

/* Base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 20px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: 'Crimson Pro', Georgia, serif;
  font-weight: 400;
  line-height: 1.7;
  margin: 0 auto;
  max-width: 38rem;
  padding: 1.5rem 1.25rem;
}

/* Add top padding on desktop */
@media (min-width: 640px) {
  body {
    padding-top: 3rem;  /* about a paragraph's worth of space */
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--heading-color);
  font-family: 'Spectral', Georgia, serif;
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5rem 0 0.5rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

h1 + p,
h2 + p,
h3 + p {
  margin-top: 0.5rem;
}

p {
  margin-bottom: 1.25rem;
}

/* Links */
a {
  color: var(--link-color);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--link-color) 30%, transparent);
  transition: all 0.2s ease;
}

a:hover {
  color: var(--link-hover-color);
  border-bottom-color: var(--link-hover-color);
}

/* Lists */
ul, ol {
  margin: 1.25rem 0; /* Match paragraph spacing for vertical rhythm */
  padding-left: 0;
  list-style: none;
}

li {
  margin: 0.25rem 0;
  padding-left: 1.5rem;
  position: relative;
}

/* Custom em dash bullets for unordered lists */
ul li::before {
  content: "—"; /* Em dash */
  position: absolute;
  left: 0;
  color: var(--text-color-light);
}

/* Numbers for ordered lists */
ol {
  counter-reset: list-counter;
}

ol li {
  counter-increment: list-counter;
}

ol li::before {
  content: counter(list-counter) ".";
  position: absolute;
  left: 0;
  color: var(--text-color-light);
  font-weight: 600;
}

/* Horizontal rule */
hr {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: 1.25rem 0;
}

/* Code and pre */
code {
  background-color: var(--border-color);
  border-radius: 0.25rem;
  font-family: Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.875rem;
  padding: 0.2em 0.4em;
}

pre {
  background-color: var(--border-color);
  border-radius: 0.375rem;
  margin: 0.75rem 0;
  overflow-x: auto;
  padding: 0.75rem;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* Italics and bold */
em {
  color: var(--text-color-light);
}

strong {
  color: var(--heading-color);
}

/* Media queries for responsive design */
@media (max-width: 640px) {
  html {
    font-size: 18px;
  }

  body {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }
}

/* Footnotes */
.footnotes {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-color-light);
}

.footnote-ref,
.footnote-backref {
  display: none;
}

.footnotes ol {
  list-style: none;
  padding-left: 0;
}

.footnotes li {
  margin-bottom: 0.5em;
}

.footnotes p {
  display: inline;
  margin: 0;
}

/* Hide footnotes heading */
#footnote-label {
  display: none;
}

/* Hide all numeric references (both forward and back) */
a[data-footnote-ref],
a[data-footnote-backref] {
  display: none;
}

/* Remove list numbers and padding */
.footnotes ol {
  list-style: none;
  padding-left: 0;
}

/* Definition lists */
dl {
  margin: 1.25rem 0;
}

dt {
  font-family: 'Spectral', Georgia, serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin-top: 0.75rem;
}

dd {
  margin-left: 0;
  color: var(--text-color-light);
  font-style: italic;
}

/* Pull Quotes */
blockquote:not(.twitter-tweet) {
  margin: 2rem 0;
  padding: 0.5rem 2rem;
  font-size: 1.4rem;
  line-height: 1.5;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  border-left: 2px solid color-mix(in srgb, var(--text-color) 15%, transparent);
}

blockquote:not(.twitter-tweet) p {
  margin-bottom: 0;
  color: var(--heading-color);
}

/* Responsive adjustments for smaller screens */
@media (max-width: 640px) {
  blockquote {
    margin: 2rem 0;
    padding: 0.5rem 1rem;
    font-size: 1.125rem;
  }
}

/* Dark mode adjustments for blockquotes */
@media (prefers-color-scheme: dark) {
  blockquote:not(.twitter-tweet) p {
    color: color-mix(in srgb, var(--text-color) 50%, var(--link-color) 25%);
  }
}

/* Tweet container */
.tweet-container {
  margin: 2rem 0;
  display: flex;
  justify-content: center;
  width: 100%;
}

/* Twitter embed styling */
.twitter-tweet {
  margin: 0 auto !important;
}

.tweet-iframe {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: none;
}

/* All images are big and centered */
img {
  display: block;
  max-width: 100%;
  max-height: 700px;
  height: auto;
  margin: 2rem auto;
  border-radius: 4px;
}