:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color-scheme: light dark;
  color: #213547;
  background-color: #ffffff;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
}

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

#app {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.header {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header img {
  max-width: min(90%, 200px);
}

.hero {
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0;
  color: #1a1a1a;
}

.hero p {
  color: #666;
  margin: 0.5rem 0;
}

.post {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.post-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
}

.post-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0;
}

.post-date {
  color: #666;
  font-size: 0.875rem;
}

.post-content {
  color: #4a5568;
  line-height: 1.6;
}

.post-content h1,
.post-content h2,
.post-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
}

.post-content p {
  margin: 0.75rem 0;
}

.post-content ul,
.post-content ol {
  margin: 0.75rem 0;
  padding-left: 1.5rem;
}

.post-content a {
  color: #2563eb;
  text-decoration: none;
}

.post-content a:hover {
  text-decoration: underline;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.loading {
  text-align: center;
  padding: 2rem;
  color: #666;
}