/* Shared theme for blog posts (standalone HTML, no styles of their own).
   Injected by src/pages/blog/[lang]/[slug]/index.astro — matches the main
   site's design tokens. */
:root{
  --bg:#FBF5EC; --bg2:#F5EDDF; --ink:#2A2419; --muted:#71634E;
  --accent:#8A6D1C; --accent-ink:#6E5713;
  --card:#FFFDF8; --line:#E2D5BC; --chip:#F1E5CC;
  --shadow:0 18px 40px -22px rgba(92,64,10,.35);
}
@media (prefers-color-scheme: dark){:root{
  --bg:#181410; --bg2:#211C15; --ink:#EFE7D6; --muted:#B0A28A;
  --accent:#D9B44A; --accent-ink:#E8C866;
  --card:#221D15; --line:#3B3325; --chip:#2E2718;
  --shadow:0 18px 40px -22px rgba(0,0,0,.7);
}}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;color:var(--ink);
  font:18.5px/1.7 "Charter","Georgia","Times New Roman",serif;}

.ivf-top{position:sticky;top:0;z-index:50;background:var(--bg);
  border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:11px;padding:11px clamp(16px,4vw,32px);
  font-family:system-ui,"Segoe UI",sans-serif}
.ivf-top img{width:34px;height:34px;border-radius:8px}
.ivf-top a{display:flex;align-items:center;gap:11px;text-decoration:none;
  color:var(--ink);font-weight:700;font-size:17px}
.ivf-top a em{font-style:normal;color:var(--accent)}
.ivf-top .sep{flex:1}
.ivf-top .back{font-weight:500;font-size:15px;color:var(--muted)}
.ivf-top .back:hover{color:var(--accent)}

article{max-width:760px;margin:0 auto;padding:44px clamp(16px,4vw,32px) 90px}
article header{margin-bottom:34px;border-bottom:1px solid var(--line);
  padding-bottom:22px}
article header p{color:var(--muted);font-size:16px;margin:0}
h1{font-size:clamp(30px,5vw,42px);line-height:1.13;margin:0 0 16px;
  text-wrap:balance;font-weight:700}
h2{font-size:27px;line-height:1.25;margin:54px 0 16px;text-wrap:balance}
h3{font-size:21px;margin:38px 0 10px;color:var(--accent-ink)}
p{margin:0 0 17px}
a{color:var(--accent)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
ul,ol{padding-inline-start:24px;margin:0 0 17px}
li{margin-bottom:8px}
li::marker{color:var(--accent)}
em{color:inherit}
strong{font-weight:700}
blockquote{margin:26px 0;padding:4px 24px;border-inline-start:4px solid var(--accent);
  background:var(--bg2);border-radius:0 12px 12px 0;color:var(--muted);
  font-style:italic}
hr{border:0;border-top:1px solid var(--line);margin:44px 0}
img{max-width:100%;height:auto;border-radius:14px}
figure{margin:28px 0}
figcaption{font-family:system-ui,sans-serif;font-size:14.5px;color:var(--muted);
  padding-top:10px;text-align:center}
table{border-collapse:collapse;width:100%;margin:26px 0;
  font-family:system-ui,sans-serif;font-size:15.5px;
  font-variant-numeric:tabular-nums;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:10px 14px;text-align:start}
th{background:var(--bg2);font-weight:600}
code{background:var(--chip);border-radius:6px;padding:2px 7px;
  font-size:.86em;font-family:ui-monospace,Consolas,monospace}
pre{background:var(--bg2);border:1px solid var(--line);border-radius:12px;
  padding:16px 20px;overflow-x:auto}
pre code{background:none;padding:0}
footer{max-width:760px;margin:0 auto;padding:0 clamp(16px,4vw,32px) 60px;
  color:var(--muted);font-family:system-ui,sans-serif;font-size:15px}
figure.blog-chart{margin:34px 0}
figure.blog-chart img{border:1px solid #223041;border-radius:12px;display:block}
figure.blog-chart figcaption{margin-top:10px;font-size:.9em;color:#8aa0b2;text-align:center}

/* ── injected chrome: Play CTA + legal footer (see src/pages/blog/…) ── */
.ivf-top .ivf-top-cta{background:var(--accent);color:#FFFDF6;
  font:600 14px system-ui,sans-serif;padding:8px 16px;border-radius:99px;
  white-space:nowrap;margin-inline-start:14px}
.ivf-top .ivf-top-cta:hover{filter:brightness(1.08)}
.ivf-cta{max-width:760px;margin:54px auto 10px;
  padding:26px clamp(18px,3vw,30px);
  display:flex;gap:20px;align-items:flex-start;
  background:var(--bg2);border:1px solid var(--line);border-radius:20px}
.ivf-cta img{flex:0 0 64px;border-radius:15px}
.ivf-cta .h{font:700 21px/1.3 "Charter","Georgia",serif;margin:0 0 8px}
.ivf-cta .b{font:15.5px/1.55 system-ui,sans-serif;color:var(--muted);margin:0 0 16px}
.ivf-cta .btn{display:inline-block;background:var(--accent);color:#FFFDF6;
  text-decoration:none;font:600 16px system-ui,sans-serif;
  padding:12px 26px;border-radius:99px}
.ivf-cta .btn:hover{filter:brightness(1.08)}
.ivf-cta .note{font:13.5px system-ui,sans-serif;color:var(--muted);margin:10px 0 0}
@media (max-width:560px){.ivf-cta{flex-direction:column;gap:14px}}
.ivf-legal{max-width:760px;margin:0 auto;padding:24px clamp(16px,4vw,32px) 60px;
  border-top:1px solid var(--line);
  font-family:system-ui,sans-serif;font-size:14px;color:var(--muted);
  display:flex;justify-content:space-between;gap:10px 18px;flex-wrap:wrap}
.ivf-legal nav{display:flex;gap:6px 16px;flex-wrap:wrap}
.ivf-legal a{color:var(--muted);text-decoration:none}
.ivf-legal a:hover{color:var(--accent);text-decoration:underline}