/* extracted from inline <style> block 1 in blog/index.html */
:root {
      --bg-primary: #0f172a;
      --bg-secondary: #1e293b;
      --accent: #10b981;
      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --border: rgba(255,255,255,0.1);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
    }
    nav {
      padding: 20px 0;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .logo {
      color: var(--accent);
      text-decoration: none;
      font-weight: 800;
      font-size: 1.5rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-links { display: flex; gap: 24px; list-style: none; align-items: center; margin: 0; padding: 0; }
    .nav-links li { margin: 0; }
    .nav-links a { color: var(--text-secondary); text-decoration: none; font-weight: 500; transition: color 0.2s; }
    .nav-links a:hover { color: var(--text-primary); }
    .container { max-width: 900px; margin: 0 auto; padding: 60px 24px; }
    h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 16px; }
    .subtitle { color: var(--text-secondary); font-size: 1.2rem; margin-bottom: 48px; }
    .post-grid { display: flex; flex-direction: column; gap: 24px; }
    .post-card {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 32px;
      transition: border-color 0.2s, transform 0.2s;
      text-decoration: none;
      display: block;
      color: inherit;
    }
    .post-card:hover {
      border-color: var(--accent);
      transform: translateY(-2px);
    }
    .post-card h2 {
      margin: 0 0 12px 0;
      font-size: 1.4rem;
      color: var(--text-primary);
    }
    .post-card p {
      margin: 0;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .post-meta {
      font-size: 0.8rem;
      color: var(--accent);
      margin-bottom: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .post-tags {
      display: flex;
      gap: 8px;
      margin-top: 16px;
      flex-wrap: wrap;
    }
    .tag {
      background: rgba(16, 185, 129, 0.1);
      color: var(--accent);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 500;
    }
    footer {
      padding: 40px 0;
      border-top: 1px solid var(--border);
      text-align: center;
      color: var(--text-secondary);
      font-size: 0.9rem;
    }
    footer a { color: var(--accent); text-decoration: none; }
    @media (max-width: 600px) {
      h1 { font-size: 2rem; }
      .container { padding: 40px 16px; }
      .nav-links { display: none; }
      .post-card { padding: 24px; }
    }