/* Blog pages. Colors and fonts match the tokens in index.html. */
:root{
  --paper:#F3F4F1; --card:#FFFFFF; --ink:#13171D; --muted:#5A626C; --line:#DCDFD9;
  --accent:#FF5A1F; --accent-ink:#B63B0D; --on-accent:#FFFFFF; --good:#1F8A5B; --chip:#E9ECE6;
  --display:"Cairo",ui-sans-serif,system-ui,sans-serif; --body:"Cairo",ui-sans-serif,system-ui,sans-serif;
  --r:14px; --max:1180px; --read:720px;
  color-scheme:light}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0F1215; --card:#161A1F; --ink:#ECEDE9; --muted:#9AA2AB; --line:#262B32;
  --accent:#FF6A33; --accent-ink:#FF8D61; --on-accent:#140A05; --good:#4CC28E; --chip:#1E232A; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0F1215; --card:#161A1F; --ink:#ECEDE9; --muted:#9AA2AB; --line:#262B32;
  --accent:#FF6A33; --accent-ink:#FF8D61; --on-accent:#140A05; --good:#4CC28E; --chip:#1E232A; color-scheme:dark}

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);line-height:1.35;text-wrap:balance;margin:0}

/* header and footer, same as the main page */
header{position:sticky;top:0;z-index:20;background:color-mix(in oklab,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:20px;padding-block:12px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600}
.mark b{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--paper);font-weight:800;font-size:15px;font-family:ui-sans-serif,system-ui,sans-serif}
nav{display:flex;gap:4px;margin-inline-start:auto;flex-wrap:wrap}
nav a{text-decoration:none;font-size:15px;padding:6px 10px;border-radius:8px;color:var(--muted)}
nav a:hover,nav a[aria-current]{color:var(--ink);background:var(--chip)}
@media (max-width:520px){nav a.opt{display:none}}
footer{padding-block:28px 40px;color:var(--muted);font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);margin-top:48px}
footer a{color:var(--muted)}

/* blog index */
.blog-head{padding-block:56px 28px;max-width:var(--read)}
.blog-head h1{font-size:clamp(36px,5vw,56px);font-weight:800}
.blog-head p{color:var(--muted);margin:12px 0 0}
.posts{display:grid;gap:18px;max-width:var(--read);padding-bottom:24px}
.post-card{display:block;text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px}
.post-card:hover{border-color:var(--ink)}
.post-card h2{font-size:24px;font-weight:800}
.post-card p{color:var(--muted);margin:8px 0 0;font-size:16.5px;line-height:1.8}

/* meta line */
.meta{color:var(--muted);font-size:14.5px;display:flex;flex-wrap:wrap;gap:4px 14px}
.post-card .meta{margin-top:12px}

/* article */
article{max-width:var(--read);padding-block:48px 0}
.crumbs{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
article h1{font-size:clamp(32px,4.6vw,48px);font-weight:800}
article .meta{margin-top:14px}
.intro{font-size:20px;color:var(--ink);margin:28px 0 0}
article h2{font-size:clamp(24px,3vw,30px);font-weight:800;margin:48px 0 12px}
article h3{font-size:21px;font-weight:800;margin:32px 0 6px}
article p{margin:14px 0 0}
article ul,article ol{margin:14px 0 0;padding-inline-start:24px}
article li{margin-top:6px}
article li::marker{color:var(--accent-ink);font-weight:700}
article strong{font-weight:700}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 22px;margin-top:32px;font-size:16.5px}
.toc b{display:block;margin-bottom:4px}
.toc ol{margin:0}
.toc a{text-decoration:none;color:var(--muted)}
.toc a:hover{color:var(--ink);text-decoration:underline}
.note{background:var(--chip);border-radius:var(--r);padding:16px 20px;margin-top:20px;font-size:17px}
.fix{border-inline-start:3px solid var(--accent);padding-inline-start:16px;margin-top:12px}
.fix b{color:var(--accent-ink)}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:22px}
.stats div{background:var(--card);padding:18px 18px 14px}
.stats strong{display:block;font-size:30px;font-weight:800;line-height:1.2;direction:ltr;text-align:right;unicode-bidi:isolate}
.stats span{display:block;font-size:15px;line-height:1.5}
.stats small{display:block;color:var(--muted);font-size:13px;margin-top:6px}
@media (max-width:420px){.stats{grid-template-columns:1fr}}
.tbl{overflow-x:auto;margin-top:20px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.tbl table{width:100%;border-collapse:collapse;font-size:16px}
.tbl th,.tbl td{padding:12px clamp(10px,3vw,16px);text-align:start;border-bottom:1px solid var(--line);line-height:1.5}
.tbl tbody tr:last-child>*{border-bottom:0}
.tbl thead th{font-size:14.5px;color:var(--muted);font-weight:700;vertical-align:bottom}
.tbl thead small{font-weight:500}
.tbl td{direction:ltr;text-align:right;unicode-bidi:isolate;font-variant-numeric:tabular-nums}
.tbl tbody th{font-weight:700}
.tbl.text td{direction:inherit;text-align:start;font-variant-numeric:normal}
.tbl.text table{font-size:15px}
.sources{font-size:15.5px}
.author{margin-top:40px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);font-size:16px;line-height:1.8}
.author b{display:block;font-size:17px}
.author p{margin-top:6px;color:var(--muted)}
.nowrap{white-space:nowrap}
.sources a{word-break:break-word}
.check{list-style:none;padding:0!important}
.check li{position:relative;padding-inline-start:30px}
.check li::before{content:"";position:absolute;inset-inline-start:0;top:.55em;width:16px;height:16px;border-radius:4px;border:2px solid var(--accent)}
.cta{background:var(--accent);color:var(--on-accent);border-radius:22px;padding:30px clamp(20px,4vw,40px);margin-top:48px}
.cta h2{margin:0;font-size:clamp(24px,3vw,32px)}
.cta p{margin-top:10px}
.cta a{display:inline-block;margin-top:18px;background:var(--paper);color:var(--ink);text-decoration:none;font-weight:700;padding:12px 22px;border-radius:999px}
.cta a:hover{filter:brightness(1.05)}