:root {
  color-scheme: dark;
  --bg: #020202;
  --text: #eeeeee;
  --muted: #9a9a9a;
  --line: #242424;
  --link: #8cc7ff;
  --link-hover: #b9ddff;
  --code-bg: #101010;
}
* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.7;
}

a {
  color: var(--link);
  text-decoration-color: color-mix(in srgb, var(--link), transparent 55%);
  text-underline-offset: 0.18em;
}

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

.site-shell {
  width: min(100% - 32px, 840px);
  margin: 0 auto;
  padding: 48px 0;
}

.top-nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 24px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.4;
}

.top-nav span {
  color: var(--line);
}

.top-nav-home {
  color: var(--muted);
  text-decoration: none;
}

.top-nav-home:hover {
  color: var(--text);
}

.top-nav-profile {
  display: inline-flex;
  gap: 0.65rem;
  align-items: baseline;
  white-space: nowrap;
}

.top-nav-profile a {
  color: var(--link);
  text-decoration-color: color-mix(in srgb, var(--link), transparent 55%);
}

.top-nav-profile a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

.site-header {
  margin-bottom: 20px;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.75rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: 0;
}

.post .page-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.1;
}

.post {
  font-size: 0.94rem;
}

.site-header h1 {
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
}

.page-header {
  margin-bottom: 48px;
}

.entry-list {
  display: grid;
  gap: 28px;
}

.entry-card {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.entry-card h2 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.3;
  font-weight: 650;
}

.published-time {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.4;
}

.page-header .published-time {
  margin-top: 16px;
  margin-bottom: 0;
}

.entry-summary {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.55;
}

.entry-card h2 a {
  color: var(--text);
  text-decoration: none;
}

.entry-card h2 a:hover {
  color: var(--link-hover);
}

.entry-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.prose > * + * {
  margin-top: 1.2em;
}

.prose h2,
.prose h3 {
  margin-top: 2.2em;
  line-height: 1.2;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote {
  margin-bottom: 0;
}

.prose blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 2px solid var(--line);
  color: var(--muted);
}

.prose code {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.08em 0.28em;
  background: var(--code-bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

.prose pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  background: var(--code-bg);
  line-height: 1.55;
}

.prose pre code {
  border: 0;
  padding: 0;
  background: transparent;
  font-size: 0.86rem;
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5rem 0;
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .site-shell {
    width: min(100% - 24px, 840px);
    padding: 32px 0;
  }
}