@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("../fonts/Newsreader.woff2") format("woff2");
}

@font-face {
  font-family: "Newsreader";
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
  src: url("../fonts/Newsreader-italic.woff2") format("woff2");
}

:root {
  --radius: 8px;
  --highlight-color: rgba(137, 137, 222, 0.3);
  --font-family-base: "Newsreader";
  --font-size-base: 20px;
  --content-max-inline-size: 620px;
  --content-padding: 20px;
  --focus-color: #0066cc;
  --muted-text-color: #666666;
}

body,
.toc-container {
  transition: background-color 0.2s, color 0.2s;
}

header h1 a {
  display: block;
  inline-size: 140px;
  font-family: var(--font-family-base), serif;
}

/* Dark Mode Variables */
.dark-mode-on:root {
  /* Same as @media (prefers-color-scheme: dark)
   * Please edit in both places!
   */
  --bg-color: #141413;
  --text-color: #f0efea;
  --border-color: #444;
  --footnote-bg-color: rgba(255, 255, 255, 0.15);
  --footnote-hover-bg-color: rgba(255, 255, 255, 0.4);
  --tooltip-bg-color: #2a2a2a;
  --tooltip-text-color: #f0f0f0;
  --tooltip-shadow-color: rgba(255, 255, 255, 0.15);
  --subscribe-form-bg: transparent;
  --subscribe-form-text: #f0efea;
  --subscribe-button-bg: #f0efea;
  --subscribe-button-text: #141413;
  --invert-percentage: 100%;
  --code-bg: rgb(55, 56, 62);
  --hljs-bg: rgb(46, 46, 51);
  --muted-text-color: #b3b3b3;
}

.dark-mode-off:root {
  /* Same as @media (prefers-color-scheme: light)
   * Please edit in both places!
   */
  --bg-color: #f0efea;
  --text-color: #141413;
  --border-color: #e6e4dd;
  --footnote-bg-color: rgba(0, 0, 0, 0.08);
  --footnote-hover-bg-color: rgba(0, 0, 0, 0.15);
  --tooltip-bg-color: #f9f9f9;
  --tooltip-text-color: #333;
  --tooltip-shadow-color: rgba(0, 0, 0, 0.15);
  --subscribe-form-bg: transparent;
  --subscribe-form-text: #141413;
  --subscribe-button-bg: #141413;
  --subscribe-button-text: #f0efea;
  --invert-percentage: 0%;
  --code-bg: rgb(223, 223, 223);
  --hljs-bg: rgb(28, 29, 33);
  --muted-text-color: #666666;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Same as .dark-mode-on:root
     * Please edit in both places!
     */
    --bg-color: #141413;
    --text-color: #f0efea;
    --border-color: #444;
    --footnote-bg-color: rgba(255, 255, 255, 0.15);
    --footnote-hover-bg-color: rgba(255, 255, 255, 0.4);
    --tooltip-bg-color: #2a2a2a;
    --tooltip-text-color: #f0f0f0;
    --tooltip-shadow-color: rgba(255, 255, 255, 0.15);
    --subscribe-form-bg: transparent;
    --subscribe-form-text: #f0efea;
    --subscribe-button-bg: #f0efea;
    --subscribe-button-text: #141413;
    --invert-percentage: 100%;
    --code-bg: rgb(55, 56, 62);
    --hljs-bg: rgb(46, 46, 51);
    --muted-text-color: #b3b3b3;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    /* Same as .dark-mode-off:root
     * Please edit in both places!
     */
    --bg-color: #f0efea;
    --text-color: #141413;
    --border-color: #e6e4dd;
    --footnote-bg-color: rgba(0, 0, 0, 0.08);
    --footnote-hover-bg-color: rgba(0, 0, 0, 0.15);
    --tooltip-bg-color: #f9f9f9;
    --tooltip-text-color: #333;
    --tooltip-shadow-color: rgba(0, 0, 0, 0.15);
    --subscribe-form-bg: transparent;
    --subscribe-form-text: #141413;
    --subscribe-button-bg: #141413;
    --subscribe-button-text: #f0efea;
    --invert-percentage: 0%;
    --code-bg: rgb(223, 223, 223);
    --hljs-bg: rgb(28, 29, 33);
    --muted-text-color: #666666;
  }
}

.dark-mode-on:root .toggle-input:checked + .toggle-label {
  background-color: var(--text-color);
}

.dark-mode-on:root .toggle-input:checked + .toggle-label .toggle-slider {
  inset-inline-start: 22px;
  background-color: var(--bg-color);
}

/* Dark Mode Initialization */
.dark-mode-init * {
  transition: none !important;
}

/* Global Styles */
html,
body {
  overflow-x: hidden;
}

body {
  font-family: var(--font-family-base), serif;
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin-block: 0;
  margin-inline: 0;
  padding-block: 0;
  padding-inline: 0;
  transition: background-color 0.2s ease, color 0.2s ease;
}

code {
  direction: ltr;
  margin-block: auto;
  margin-inline: 2px;
  padding-block: 0.2em;
  padding-inline: 0.4em;
  font-size: 80%;
  line-height: 1.5;
  background: var(--code-bg);
  border-radius: 6px;
  font-family: menlo, Consolas, ui-monospace, monospace;
}

pre code {
  display: block;
  margin-block: auto;
  margin-inline: 0;
  color: rgb(213, 213, 214);
  background: var(--hljs-bg) !important;
  border-radius: var(--radius);
  overflow-x: auto;
  word-break: break-all;
}

h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor,
h4:hover .anchor,
h5:hover .anchor,
h6:hover .anchor {
  display: inline-flex;
  color: var(--text-color);
  margin-inline-start: 8px;
  font-weight: 500;
  user-select: none;
  opacity: 0.5;
}

.anchor {
  display: none;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

a code {
  margin-block: auto;
  margin-inline: 0;
}

a:hover code {
  text-decoration: underline;
}

ul {
  padding-inline-start: 20px;
}

li {
  margin-block-end: 0.8em;
}

strong {
  font-weight: 600;
}

p.intro {
  margin-block-start: 0.5em;
}

/* Layout */
.content-wrapper,
header > div {
  max-inline-size: var(--content-max-inline-size);
  margin-inline: auto;
  padding-block: 0;
  padding-inline: var(--content-padding);
  box-sizing: border-box;
}

@media (min-width: 1076px) {
  body.has-toc .content-wrapper,
  body.has-toc header > div {
    max-inline-size: var(--content-max-inline-size);
    padding-inline: 20px;
    margin-inline: auto;
  }

  .toc-container {
    inset-inline-start: calc(50% - (var(--content-max-inline-size) / 2) - 270px);
  }
}

/* Header Styles */
header {
  background-color: var(--bg-color);
  padding-block-end: 10px;
  margin-block: 20px;
  transition: background-color 0.2s;
}

header > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  min-block-size: 44px; /* Add this */
}

header h1,
header h1 a {
  font-family: var(--font-family-base), serif;
  font-weight: 600;
  font-size: 1.2em;
  line-height: 44px;
  margin-block: 0;
  margin-inline: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  inline-size: 250px;
  padding-block-start: 2px;
}

header h1 a {
  text-decoration: none;
  color: inherit;
}

header h1 a:hover {
  text-decoration: none;
}

p a:hover {
  opacity: 0.7;
}

/* Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.2s ease;
}

/* Toggle Switch Styles */
.toggle-switch {
  visibility: hidden;
  position: relative;
  inline-size: 40px;
  block-size: 20px;
  flex-shrink: 0;
  margin-inline-start: 0;
}

.toggle-switch.visible {
  visibility: visible;
}

.toggle-input {
  opacity: 0;
  inline-size: 0;
  block-size: 0;
}

.toggle-label {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--bg-color);
  transition: background-color 0.2s ease, border-color 0.2s ease;
  border-radius: 34px;
  border: 1px solid var(--text-color);
}

.toggle-slider {
  position: absolute;
  content: "";
  block-size: 14px;
  inline-size: 14px;
  inset-inline-start: 2px;
  inset-block-end: 2px;
  background-color: var(--text-color);
  transition: inset-inline-start 0.2s ease, background-color 0.2s ease;
  border-radius: 50%;
}

.toggle-input:checked + .toggle-label {
  background-color: var(--text-color);
}

.toggle-input:checked + .toggle-label .toggle-slider {
  inset-inline-start: 22px;
  background-color: var(--bg-color);
}

.toggle-input:focus-visible + .toggle-label {
  outline: 2px solid var(--focus-color);
  outline-offset: 2px;
}

/* Typography */
h1,
h2,
h3,
.author-date,
.mobile-toc-link,
.toc-container h2 {
  font-family: var(--font-family-base), serif;
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  font-size: 3em;
  margin-block-start: 1em;
  margin-block-end: 0em;
  font-weight: 600;
  line-height: 1.1;
}

h1.smaller {
  font-size: 2em;
}

h2 {
  font-size: 1.6em;
  margin-block-start: 1em;
  margin-block-end: 0.5em;
  font-weight: 600;
}

h3 {
  font-size: 1.2em;
  margin-block-start: 1em;
  margin-block-end: 0.5em;
  font-weight: 600;
}

h4 {
  font-size: 1.1em;
  margin-block-start: 0.5em;
  margin-block-end: 0.5em;
  font-weight: 400;
  font-style: italic;
}

center {
  margin-block-start: 0.5em;
}

/* Mobile Typography */
@media (max-width: 1076px) {
  h1 {
    font-size: 2.4em;
  }

  h2 {
    font-size: 1.6em;
  }

  h3 {
    font-size: 1.2em;
  }
}

.author-date {
  font-weight: 400;
  font-size: 0.9em;
  color: var(--muted-text-color);
  margin-block-start: 2em;
  margin-block-end: 0em;
  line-height: 1.4;
}

.mobile-toc-link,
.toc-container h2 {
  font-size: 1.2em;
  padding-block-start: 130px;
  padding-inline: 20px;
  padding-block-end: 30px;
  font-weight: 600;
}

hr {
  border: none;
}
hr:after {
  content: "\2042";
  display: block;
  font-family: serif;
  font-weight: 200;
  font-size: 1.5em;
  margin-block: 1em;
  margin-inline: auto;
  text-align: center;
}

@media (min-width: 1400px) {
  .content-wrapper,
  header > div {
    max-inline-size: var(--content-max-inline-size);
  }
}

/* Footnote Styles */
.footnotes {
  margin-block-start: 25px;
}

.footnotes-list {
  list-style-type: none;
  padding-inline-start: 0;
  counter-reset: footnote;
}

.footnote-item {
  margin-block-end: 10px;
  position: relative;
  padding-inline-start: 0;
  display: block;
}

.footnote-item p sup[id^="fnref"] {
  vertical-align: super;
  font-size: 0.75em;
  line-height: 0;
}

.footnote-item sup {
  margin-inline-end: 4px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
}

sup[id^="fnref"] a {
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  color: inherit;
  padding-block-start: 3px;
  padding-inline: 3px;
  padding-block-end: 1px;
  margin-block: 0;
  margin-inline: 2px;
  border-radius: 4px;
  background-color: var(--footnote-bg-color);
  position: relative;
  z-index: 1;
}

sup[id^="fnref"] a:hover,
sup[id^="fnref"] a:focus {
  background-color: var(--footnote-hover-bg-color);
}

.footnote-backref {
  text-decoration: none;
  color: inherit;
  font-size: 0.75em;
  vertical-align: middle;
  line-height: 0;
  margin-inline-start: 2px;
}

.footnote-backref:hover {
  text-decoration: underline;
}

.footnote-tooltip {
  position: absolute;
  background-color: var(--tooltip-bg-color);
  color: var(--tooltip-text-color);
  padding-block: 20px;
  padding-inline: 20px;
  border-radius: 4px;
  box-shadow: 0 2px 8px var(--tooltip-shadow-color);
  max-inline-size: 400px;
  z-index: 1000;
  font-size: 17px;
  line-height: 1.5;
  pointer-events: auto;
}

.footnote-tooltip p {
  margin-block: 0 8px;
  margin-inline: 0;
  display: block;
  align-items: flex-start;
}

.footnote-tooltip p:last-child {
  margin-block-end: 0;
}

.footnote-tooltip sup {
  margin-inline-end: 4px;
  flex-shrink: 0;
  font-weight: 500;
}

.footnote-tooltip a {
  color: inherit;
  text-decoration: underline;
}

/* Footer Styles */
footer {
  margin-block-start: 0px;
  margin-block-end: 20px;
  padding-block: 20px;
  padding-inline: 0;
  background-color: var(--bg-color);
  transition: background-color 0.2s ease;
}

.back-to-top {
  text-align: center;
  cursor: pointer;
  font-weight: 400;
  color: var(--text-color);
  text-decoration: underline;
}

.footer-content {
  font-size: 0.8em;
  text-align: center;
  color: var(--text-color);
  opacity: 0.7;
}

.privacy-policy-link {
  text-align: center;
  margin-block-start: 10px;
  font-size: 0.8em;
}

.privacy-policy-link a {
  color: var(--text-color);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.privacy-policy-link a:hover {
  text-decoration: underline;
  opacity: 1;
}

/* Subscribe Form Styles */
.subscribe-form-container {
  margin-block-start: 20px;
  max-inline-size: 400px;
  box-sizing: border-box;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  inline-size: 100%;
  margin-block-end: 10px;
}

.subscribe-form .email-input {
  inline-size: 100%;
  padding-block: 10px;
  padding-inline: 10px;
  margin-block-end: 10px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  font-size: var(--font-size-base);
  background-color: var(--bg-color);
  color: var(--subscribe-form-text);
  box-sizing: border-box;
  font-family: inherit;
}

.subscribe-form .submit-button {
  inline-size: 100%;
  padding-block: 10px;
  padding-inline: 10px;
  background-color: var(--subscribe-button-bg);
  color: var(--subscribe-button-text);
  border: none;
  border-radius: 4px;
  font-size: var(--font-size-base);
  font-weight: 400;
  cursor: pointer;
  transition: opacity 0.2s ease;
  font-family: inherit;
}

.subscribe-form .submit-button:hover {
  opacity: 0.85;
}

#formMessage {
  text-align: center;
  margin-block-start: 10px;
  font-weight: 400;
  font-style: italic;
  inline-size: 100%;
}

.content-wrapper img {
  max-inline-size: 100%;
  block-size: auto;
  display: block;
  margin-block: 1em;
  margin-inline: auto;
}