body {
  background: #fffed0;
  color: #1f1f1f;
  font-family: system-ui, sans-serif;
}

.back-link {
  display: block;
  width: fit-content;
  margin: 0 auto 32px auto;   /* center + spacing */
  padding: 6px 14px;
  font-size: 0.9rem;
  text-decoration: none;
  color: #333;
  border: 1px solid rgba(0,0,0,0.25);
  border-radius: 999px;      /* pill shape */
  transition: all 0.2s ease;
}

.back-link:hover {
  background: rgba(0,0,0,0.05);
  text-decoration: none;
}


/* Code blocks */
pre {
    margin-top: 16px;
    font-size: 13px;
    color: #022e48;
        display: block;
    background: #b9b9b9;
    padding: 6px;
    margin-top: 6px;
    border-radius: 4px;
    font-size: 12px;
    border-radius: 12px;
}

/* Architecture boxes */
.architecture-box {
  background: #f5f5f5;
  border: 1px dashed #999;
  padding: 20px;
  margin: 20px 0;
  text-align: center;
}

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

/* Sidebar */
.sidebar {
  border-left: 1px solid rgba(0,0,0,0.1);
}

.sidebar-links {
  list-style: none;
  padding-left: 0;
}

.sidebar-links li {
  margin-bottom: 10px;
}

.sidebar-links a {
  text-decoration: none;
  color: #333;
  font-size: 0.95rem;
}

.sidebar-heading {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
}

.active-blog {
  border-left: 3px solid rgba(0,0,0,0.2);
  padding-left: 8px;
  font-weight: 600;
}

.blog-subitem {
  display: block;
  font-size: 0.8rem;
  color: #666;
}

/* Screenshots */
.screenshot-img {
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 4px;
}