:root {
  /* everforest medium dark (default) */
  --bg-primary: #232a2e;
  --bg-secondary: #2d353b;
  --bg-tertiary: #343f44;
  --bg-code: #3d484d;
  --fg-primary: #d3c6aa;
  --fg-secondary: #7a8478;
  --fg-accent-red: #e67e80;
  --fg-accent-orange: #e69875;
  --fg-accent-yellow: #dbbc7f;
  --fg-accent-green: #a7c080;
  --fg-accent-green2: #83c092;
  --fg-accent-cyan: #7fbbb3;
  --fg-accent-magenta: #d699b6;
  --fg-link: #a7c080;
  --fg-heading: #dbbc7f;
  --border-color: #475258;
  --code-accent: #7fbbb3;
}

[data-theme="light"] {
  /* everforest medium light */
  --bg-primary: #efebd4;
  --bg-secondary: #fdf6e3;
  --bg-tertiary: #f4f0d9;
  --bg-code: #e6e2cc;
  --fg-primary: #5c6a72;
  --fg-secondary: #a6b0a0;
  --fg-accent-red: #f85552;
  --fg-accent-orange: #f57d26;
  --fg-accent-yellow: #dfa000;
  --fg-accent-green: #8da101;
  --fg-accent-green2: #35a77c;
  --fg-accent-cyan: #3a94c5;
  --fg-accent-magenta: #df69ba;
  --fg-link: #8da101;
  --fg-heading: #dfa000;
  --border-color: #bdc3af;
  --code-accent: #35a77c;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--fg-primary);
  font-family:
    ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 1.02rem;
  line-height: 1.55;
  max-width: 42rem;
  margin: 2rem auto;
  padding: 0 1.25rem;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.site-title {
  margin: 0 0 1rem 0;
}

.site-title a {
  color: var(--fg-heading);
  text-decoration: none;
  font-weight: bold;
}

.site-title a:hover {
  text-decoration: underline;
}

.site-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.theme-switcher,
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
}

.theme-switcher a,
.lang-switcher a {
  text-decoration: none;
  color: var(--fg-secondary);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  transition:
    color 0.15s ease,
    background-color 0.15s ease;
}

.theme-switcher a:hover,
.lang-switcher a:hover {
  color: var(--fg-primary);
  background-color: var(--bg-secondary);
}

.theme-switcher a.active,
.lang-switcher a.active {
  color: var(--fg-link);
  font-weight: bold;
}

.nav-primary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1.1rem;
}

.nav-primary a {
  text-decoration: none;
  color: var(--fg-link);
}

.nav-primary a:hover {
  text-decoration: underline;
}

.nav-primary a.active {
  font-weight: bold;
}

.nav-secondary {
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  font-size: 0.95rem;
}

.nav-secondary a {
  text-decoration: none;
  color: var(--fg-link);
}

.nav-secondary a.active {
  font-weight: bold;
}

main > h2:first-child,
main > h3:first-child {
  margin-top: 0;
}

em {
  font-style: italic;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--fg-secondary);
}

footer a {
  color: var(--fg-link);
  text-decoration: none;
}

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

code {
  background-color: var(--bg-code);
  color: var(--fg-primary);
  padding: 0.12em 0.35em;
  border-radius: 3px;
  font-family: ui-monospace, "Cascadia Code", "Courier New", monospace;
  font-size: 0.88em;
}

pre {
  background-color: var(--bg-code);
  color: var(--fg-primary);
  padding: 1rem 1rem 1rem 1.1rem;
  border-radius: 6px;
  border-left: 3px solid var(--code-accent);
  overflow-x: auto;
  margin: 1rem 0;
  font-size: 0.88rem;
  line-height: 1.45;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

pre code.code-lit .tok-kw {
  color: var(--fg-accent-magenta);
  font-weight: bold;
}

pre code.code-lit .tok-str {
  color: var(--fg-accent-green2);
}

pre code.code-lit .tok-cmt {
  color: var(--fg-secondary);
  font-style: italic;
}

.footnotes {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.92rem;
}

.footnotes h3 {
  color: var(--fg-heading);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.footnotes ol,
ol.footnote-list {
  margin: 0;
  padding-left: 1.35rem;
}

.footnotes li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}

.footnote-back {
  margin-left: 0.35rem;
  text-decoration: none;
  color: var(--fg-secondary);
  font-weight: normal;
  font-size: 0.85em;
}

.footnote-back:hover {
  color: var(--fg-link);
}

sup a {
  color: var(--fg-link);
  text-decoration: none;
  font-weight: bold;
}

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

ul {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

li {
  margin: 0.35rem 0;
}

li a {
  color: var(--fg-link);
  text-decoration: none;
}

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

.blank-list {
  list-style-type: none;
  padding-left: 0;
}

.project-list li {
  margin-bottom: 1.25rem;
}

ol {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border-color);
  color: var(--fg-secondary);
  font-style: italic;
}

blockquote p {
  margin: 0.5rem 0;
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

del {
  text-decoration: line-through;
  opacity: 0.75;
}

img {
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
}

article {
  margin: 2rem 0;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

article:last-child {
  border-bottom: none;
}

article h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.45rem;
}

article h2 a {
  color: var(--fg-heading);
  text-decoration: none;
}

article h2 a:hover {
  text-decoration: underline;
}

.post-meta {
  margin: 0.35rem 0 0.75rem;
  font-size: 0.92rem;
  color: var(--fg-secondary);
}

.post-meta em {
  font-style: italic;
}

.post-meta .meta-sep {
  user-select: none;
}

.post-lang {
  font-style: normal;
}

.post-preview {
  margin: 0.75rem 0;
  line-height: 1.6;
}

.post-preview + p {
  margin-top: 0.75rem;
}

:focus-visible {
  outline: 2px solid var(--fg-accent-cyan);
  outline-offset: 2px;
}