:root{
  --mfp-blue:#0b5ed7;
  --border:#e9ecef;
}

body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color:#111;
  background:#fff;
}

a{ color:var(--mfp-blue); text-decoration:none; }
a:hover{ text-decoration:underline; }

.site-title{
  font-weight:800;
  letter-spacing:-0.2px;
}

.stack-item{
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.stack-title{
  font-size: 1.05rem;
  line-height: 1.25;
  font-weight: 600;
  margin: 0;
}

.stack-meta{
  font-size: .82rem;
  color:#6c757d;
  margin-top: 3px;
}

.ad-box{
  border: 1px solid var(--border);
  background:#fafafa;
  padding: 12px;
  margin-bottom: 12px;
}

@media (min-width: 992px){
  .sticky-rail{
    position: sticky;
    top: 12px;
  }
}