html {
  font-size: 18px;
  color-scheme: light dark;
}

:root {
  --color-bg: #f8f6f1;
  --color-text: #171717;
  --color-muted: #5f5b53;
  --color-soft-text: #33312d;
  --color-border: #ded8ce;
  --color-border-soft: #e6e0d6;
  --color-link: #2457a6;
  --color-link-visited: #563d8f;
  --color-code-bg: #efebe3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #151515;
    --color-text: #e8e3d8;
    --color-muted: #aaa397;
    --color-soft-text: #d5cec1;
    --color-border: #37332d;
    --color-border-soft: #2c2925;
    --color-link: #8ab4f8;
    --color-link-visited: #c6a7ff;
    --color-code-bg: #202020;
  }
}

:root[data-theme='light'] {
  --color-bg: #f8f6f1;
  --color-text: #171717;
  --color-muted: #5f5b53;
  --color-soft-text: #33312d;
  --color-border: #ded8ce;
  --color-border-soft: #e6e0d6;
  --color-link: #2457a6;
  --color-link-visited: #563d8f;
  --color-code-bg: #efebe3;
}

:root[data-theme='dark'] {
  --color-bg: #151515;
  --color-text: #e8e3d8;
  --color-muted: #aaa397;
  --color-soft-text: #d5cec1;
  --color-border: #37332d;
  --color-border-soft: #2c2925;
  --color-link: #8ab4f8;
  --color-link-visited: #c6a7ff;
  --color-code-bg: #202020;
}

body {
  max-width: 760px;
  margin: 40px auto;
  padding: 0 20px;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.55;
}

header {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 18px;
}

.site-title {
  margin: 0 0 6px;
  font-size: 1.8rem;
  line-height: 1.1;
  font-weight: normal;
}

.site-title a {
  color: var(--color-text);
  text-decoration: none;
}

.site-title a:visited {
  color: var(--color-text);
}

.site-title-flag {
  margin-left: 0.08em;
  font-size: 0.72em;
  vertical-align: 0.08em;
}

.identity-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.8rem;
}

.identity-links a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--color-muted);
  text-decoration: none;
}

.identity-links a:visited {
  color: var(--color-muted);
}

.identity-links a:hover {
  color: var(--color-link);
  text-decoration: underline;
}

.identity-links svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: currentColor;
  flex: 0 0 auto;
}

.header-identity {
  margin: 2px 0 8px;
}

.tagline {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 14px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
}

nav a {
  margin-right: 0;
}

nav a:visited {
  color: var(--color-link);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  padding: 0;
  color: var(--color-muted);
  background: transparent;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--color-text);
}

.theme-toggle:focus-visible {
  outline: none;
}

.theme-toggle:focus-visible .theme-toggle-track {
  box-shadow: 0 0 0 2px var(--color-link);
}

.theme-toggle-track {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-code-bg);
  box-sizing: border-box;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-muted);
  transition: transform 160ms ease, background-color 160ms ease;
}

.theme-toggle[aria-pressed='true'] .theme-toggle-thumb {
  transform: translateX(14px);
  background: var(--color-link);
}

h1,
h2,
h3 {
  font-weight: normal;
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.35rem;
  margin-top: 34px;
  border-bottom: 1px solid var(--color-border-soft);
  padding-bottom: 4px;
}

h3 {
  font-size: 1.15rem;
  margin-top: 26px;
}

a {
  color: var(--color-link);
}

a:visited {
  color: var(--color-link-visited);
}

.intro {
  margin: 18px 0 28px;
}

.intro::after {
  content: "";
  display: block;
  clear: both;
}

.profile-photo {
  float: right;
  width: 140px;
  height: 140px;
  margin: 0 0 14px 24px;
  border: 1px solid var(--color-border);
  object-fit: cover;
}

.meta {
  color: var(--color-muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
  margin-bottom: 26px;
}

.posts {
  list-style: none;
  padding: 0;
}

.posts li {
  margin: 0 0 20px;
}

.posts time {
  display: block;
  color: var(--color-muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  margin-top: 3px;
}

.description {
  margin: 4px 0 0;
  color: var(--color-soft-text);
}

.links li {
  margin-bottom: 8px;
}

pre {
  overflow-x: auto;
  padding: 14px 16px;
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  line-height: 1.4;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  font-size: 0.9em;
}

blockquote {
  margin: 20px 0;
  padding-left: 16px;
  border-left: 3px solid var(--color-border);
  color: var(--color-soft-text);
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

@media (max-width: 640px) {
  body {
    margin-top: 24px;
  }

  html {
    font-size: 17px;
  }

  .profile-photo {
    float: none;
    display: block;
    width: 112px;
    height: 112px;
    margin: 0 0 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle-thumb {
    transition: none;
  }
}