body {
    font-family: system-ui, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 2rem;
}
  
h1 {
    margin-bottom: 0.2rem;
}
  
.subtitle {
    color: #666;
    margin-bottom: 2rem;
    font-style: italic;
    font-family: cascadia code;
    font-weight: bold;
}
  
#feed {
    max-width: 600px;
    left: 50%;
    margin: auto;
}
  
.post {
    background: #fff;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
  
.post strong {
    display: block;
    margin-bottom: 0.4rem;
}
  
.post small {
    color: #999;
}