:root {
  --text: #1a1a1a;
  --bg: #fff;
  --link: #1a1a1a;
  --meta: #666;
  --border: #e0e0e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e0e0e0;
    --bg: #1a1a1a;
    --link: #e0e0e0;
    --meta: #999;
    --border: #333;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header nav {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

header nav a:first-child {
  font-weight: 700;
}

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

a:hover {
  text-decoration: underline;
}

.intro {
  margin-bottom: 2rem;
}

h1, h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 1.4rem;
}

.post-list {
  list-style: none;
}

.post-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.3rem 0;
}

.post-list .meta,
.post-list time {
  color: var(--meta);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-left: 1rem;
}

.post-list .meta a {
  color: var(--meta);
}

.bio {
  color: var(--meta);
  margin-bottom: 1.5rem;
}

.post-header {
  margin-bottom: 2rem;
}

.post-header time {
  color: var(--meta);
  font-size: 0.9rem;
}

.post-content {
  margin-bottom: 2rem;
}

.post-content p {
  margin-bottom: 1rem;
}

.post-content h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.post-content h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 2px solid var(--border);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--meta);
}

.post-content pre {
  background: var(--border);
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.post-content code {
  font-size: 0.9em;
}

.post-content img {
  max-width: 100%;
  height: auto;
}

.post-content ul, .post-content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.tags {
  color: var(--meta);
  font-size: 0.85rem;
}

.tags a {
  color: var(--meta);
  margin-right: 0.5rem;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--meta);
  font-size: 0.85rem;
}

/* Landing page */

.landing {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: center;
}

.landing main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.landing-mark {
  text-align: center;
  margin-bottom: 3rem;
}

.landing-logo {
  display: block;
  margin: 0 auto 1rem;
}

.landing-mark h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.landing-thesis {
  color: var(--meta);
  font-size: 0.95rem;
}

.landing-works {
  margin-bottom: 2rem;
}

.landing-works h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.landing-works ul {
  list-style: none;
}

.landing-works li {
  padding: 0.3rem 0;
  font-size: 0.9rem;
}

.work-desc {
  color: var(--meta);
  margin-left: 0.75rem;
}

.landing-tenants {
  display: flex;
  gap: 3rem;
  margin-top: 1rem;
}

.landing-tenant {
  flex: 1;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.landing-tenant h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.landing-tenant .post-list li {
  font-size: 0.9rem;
}

.landing-tenant .post-list:empty {
  min-height: 1.5rem;
}

@media (max-width: 500px) {
  .landing-tenants {
    flex-direction: column;
    gap: 1.5rem;
  }
}