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

:root {
  --bg: #f7f7f7;
  --text: #111;
  --muted: #666;
  --border: #ddd;
  --code-bg: #ebebeb;
  --accent-red: #b13a3a;
  --accent-blue: #3452c8;
  --link: #3452c8;
  --link-hover: #4d67d1;
  --link-active: #2c45ad;
  --link-visited: #6f4acb;
}

[data-theme="dark"] {
  --bg: #1e1e1e;
  --text: #ddd;
  --muted: #888;
  --border: #333;
  --code-bg: #272727;
  --accent-red: #e16b6b;
  --accent-blue: #7d96ff;
  --link: #7d96ff;
  --link-hover: #95a9ff;
  --link-active: #6d88ff;
  --link-visited: #b392ff;
}

html {
  font-size: 16px;
}

body {
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

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

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

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

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

.page {
  padding: 1rem 1rem 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.page-home {
  padding-top: 0;
}

.page h1 {
  font-size: 1.75rem;
  margin-bottom: 0.4rem;
}

.page h2 {
  font-size: 1.1rem;
  margin: 2.25rem 0 0.6rem;
}

.page p {
  color: var(--muted);
  margin-bottom: 0.9rem;
  line-height: 1.7;
}

.page ul,
.page ol {
  color: var(--muted);
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  list-style-position: inside;
}

.page li {
  margin-bottom: 0.25rem;
}

.page a {
  text-decoration: underline;
}

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

.subtitle {
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.page-column {
  justify-content: space-between;
}

.page-main {
  display: block;
}

.page-column .subtitle {
  margin-bottom: 1rem;
}

.post-list {
  margin-top: 0;
}

a.post-item {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.post-item:hover .post-title {
  text-decoration: underline;
}

.post-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.post-meta {
  font-size: 0.825rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.post-desc {
  font-size: 0.9rem;
  color: var(--muted);
}

pre,
code {
  font-family: ui-monospace, monospace;
  font-size: 0.825rem;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  line-height: 1.65;
  margin: 1rem 0;
}

code {
  background: var(--code-bg);
  padding: 0.1em 0.35em;
}

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