/* ConvertMDapp blog — self-contained, responsive, theme-aware. */
:root,[data-theme='light']{
  --bg:#f6f8fa;--panel:#ffffff;--border:#d0d7de;--text:#1f2328;--muted:#656d76;
  --accent:#0969da;--accent-hover:#0860ca;--code-bg:rgba(175,184,193,.2);
  --pre-bg:#f6f8fa;--stripe:#f6f8fa;--cta-bg:#ddf4ff;color-scheme:light;
}
[data-theme='dark']{
  --bg:#0d1117;--panel:#161b22;--border:#30363d;--text:#e6edf3;--muted:#8b949e;
  --accent:#4493f8;--accent-hover:#58a6ff;--code-bg:rgba(110,118,129,.4);
  --pre-bg:#161b22;--stripe:#161b22;--cta-bg:#1f3a5f;color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* Header / footer */
.site-header{
  position:sticky;top:0;z-index:10;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  padding:12px clamp(16px,4vw,32px);
  background:var(--panel);border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:8px;font-size:18px;color:var(--text)}
.brand span{color:var(--muted)}
.site-header nav{display:flex;align-items:center;gap:8px}
.site-header nav a{padding:8px 12px;border-radius:8px;font-weight:500}
.site-header nav a.cta{background:var(--accent);color:#fff}
.site-header nav a.cta:hover{background:var(--accent-hover);text-decoration:none}

.site-footer{
  margin-top:48px;padding:28px clamp(16px,4vw,32px);
  border-top:1px solid var(--border);background:var(--panel);color:var(--muted);
  text-align:center;font-size:15px;
}
.site-footer .fine{font-size:13px;margin-top:8px}

/* Layout */
.wrap{max-width:760px;margin:0 auto;padding:clamp(20px,4vw,44px) clamp(16px,4vw,24px)}
.crumbs{font-size:13px;color:var(--muted);margin:0 0 18px}
.crumbs a{color:var(--muted)}
.eyebrow{
  text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:700;
  color:var(--accent);margin:0 0 6px;
}
.post h1,.blog-index h1{
  font-size:clamp(28px,5.5vw,40px);line-height:1.2;letter-spacing:-.01em;
  margin:0 0 10px;
}
.meta{color:var(--muted);font-size:14px;margin:0 0 28px}
.lede{font-size:clamp(17px,2.4vw,20px);color:var(--muted);margin:0 0 28px;max-width:60ch}

/* Article typography */
.post h2{font-size:clamp(22px,4vw,28px);margin:38px 0 12px;line-height:1.3;
  padding-bottom:.3em;border-bottom:1px solid var(--border);scroll-margin-top:80px}
.post h3{font-size:clamp(18px,3vw,21px);margin:28px 0 10px;scroll-margin-top:80px}
.post p,.post ul,.post ol{margin:0 0 18px}
.post ul,.post ol{padding-left:1.4em}
.post li{margin:6px 0}
.post blockquote{
  margin:0 0 20px;padding:2px 16px;color:var(--muted);
  border-left:4px solid var(--border);
}
.post hr{border:0;border-top:1px solid var(--border);margin:32px 0}

/* Code */
.post code{
  background:var(--code-bg);padding:.2em .4em;border-radius:6px;font-size:.88em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.post pre{
  background:var(--pre-bg);border:1px solid var(--border);border-radius:10px;
  padding:14px 16px;overflow-x:auto;margin:0 0 20px;font-size:14px;line-height:1.5;
  -webkit-overflow-scrolling:touch;
}
.post pre code{background:none;padding:0;font-size:inherit}

/* Tables — scroll on small screens */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 20px;
  border:1px solid var(--border);border-radius:10px}
.post table{border-collapse:collapse;width:100%;font-size:15px}
.post th,.post td{border:1px solid var(--border);padding:8px 12px;text-align:left}
.post thead th{background:var(--stripe)}
.post tbody tr:nth-child(2n){background:var(--stripe)}

/* CTA */
.cta-box{
  margin:36px 0 8px;padding:22px 24px;border-radius:14px;
  background:var(--cta-bg);border:1px solid var(--border);
}
.cta-box h3{margin:0 0 8px;font-size:20px}
.cta-box p{margin:0 0 16px;color:var(--text)}
.cta-box .cta,.wrap a.cta{
  display:inline-block;background:var(--accent);color:#fff;font-weight:600;
  padding:11px 20px;border-radius:10px;
}
.cta-box .cta:hover{background:var(--accent-hover);text-decoration:none}

/* Blog index cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:8px 0 8px}
.card{
  display:block;padding:20px;border:1px solid var(--border);border-radius:14px;
  background:var(--panel);color:var(--text);transition:border-color .15s,transform .15s;
}
.card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}
.card .tag{font-size:12px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
.card h2{font-size:19px;margin:8px 0;line-height:1.3;border:0;padding:0}
.card p{color:var(--muted);font-size:15px;margin:0 0 12px}
.card .read{font-size:13px;color:var(--muted)}

@media (max-width:520px){
  body{font-size:16px}
  .site-header nav a:not(.cta){display:none}
  .cards{grid-template-columns:1fr}
}