:root {
  --bg: #FFFCF0;
  --fg: #100F0F;
  --muted: #6F6E69;
  --faint: #B7B5AC;
  --link: #100F0F;
  --rule: #E6E4D9;
}

[data-theme="dark"] {
  --bg: #100F0F;
  --fg: #CECDC3;
  --muted: #878580;
  --faint: #575653;
  --link: #CECDC3;
  --rule: #343331;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

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

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

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  opacity: 0.7;
}

nav {
  margin-bottom: 3rem;
}

nav a {
  margin-right: 1.25rem;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

nav a:hover,
nav a.active {
  color: var(--fg);
}

h1 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.25rem;
}

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

blockquote {
  border-left: 2px solid var(--faint);
  padding-left: 1rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

code {
  font-size: 0.9em;
  background: var(--rule);
  padding: 0.15em 0.35em;
  border-radius: 3px;
}

pre {
  background: var(--rule);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

pre code {
  background: none;
  padding: 0;
}

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

.post-list li {
  margin-bottom: 0.5rem;
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.post-date {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
  min-width: 5rem;
}

.post-meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

form {
  margin-top: 1.5rem;
}

form label {
  display: block;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

form input,
form textarea {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
}

form input:focus,
form textarea:focus {
  outline: none;
  border-color: var(--muted);
}

form button {
  margin-top: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--bg);
  background: var(--fg);
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

form button:hover {
  opacity: 0.8;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--faint);
  font-size: 0.8rem;
}