:root{
  --bg:#f7f8fb;--surface:#ffffff;--text:#182430;--muted:#5e7184;--accent:#3559c7;--accent-soft:#eaf0ff;
  --border:#dde3ea;--radius:14px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#131a24;--surface:#1b2530;--text:#eef2f7;--muted:#a7b6c6;--accent:#8fabff;--accent-soft:#22314a;--border:#2b3846;}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);line-height:2;
  font-family:Vazirmatn,Tahoma,'Iranian Sans',system-ui,sans-serif;}
img{max-width:100%;height:auto}
a{color:var(--accent)}
.skip{position:absolute;right:-9999px}
.skip:focus{right:8px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:10}
.site-header,.site-footer{max-width:1080px;margin:0 auto;padding:16px 20px;display:flex;
  align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.site-header{border-bottom:1px solid var(--border)}
.site-footer{border-top:1px solid var(--border);margin-top:48px;color:var(--muted);font-size:.9rem}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--text)}
nav a{margin-inline-start:16px;text-decoration:none}
main{max-width:1080px;margin:0 auto;padding:8px 20px 24px}
h1{font-size:1.8rem;line-height:1.7;margin:.6em 0 .3em}
h2{font-size:1.25rem;margin:1.6em 0 .4em}
h3{font-size:1rem;margin:.6em 0 .2em}
.lede{color:var(--muted);font-size:1.05rem}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:8px 0;
  color:var(--muted);font-size:.85rem}
.breadcrumb li+li::before{content:'‹';margin-inline-end:8px;color:var(--border)}
.hero{padding:16px 0 8px}
.app-links{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}
.app-link{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  padding:10px 18px;border-radius:var(--radius);font-weight:600}
.category-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}
.category-list a{display:block;background:var(--accent-soft);border-radius:var(--radius);
  padding:10px 16px;text-decoration:none}
.category-list span{color:var(--muted);font-size:.85rem}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:20px;
  list-style:none;padding:0}
.book-card a{text-decoration:none;color:inherit}
.book-card img{border-radius:var(--radius);aspect-ratio:1;object-fit:cover;width:100%}
.book-card h3{font-size:.98rem;line-height:1.7}
.attribution,.meta{margin:2px 0;color:var(--muted);font-size:.85rem}
.pagination{display:flex;align-items:center;gap:16px;margin:28px 0;flex-wrap:wrap}
.pagination .disabled{color:var(--border)}
.book-hero{display:flex;gap:28px;flex-wrap:wrap;align-items:flex-start;margin-top:12px}
.cover{border-radius:var(--radius);width:min(320px,100%);height:auto}
.book-summary{flex:1;min-width:260px}
.facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:6px 20px;margin:16px 0}
.fact{display:flex;gap:8px}
.fact dt{color:var(--muted);margin:0}
.fact dd{margin:0;font-weight:600}
.availability{color:var(--muted)}
.chapters{padding-inline-start:1.4em}
.chapters li{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);
  padding:8px 0}
.chapter-duration{color:var(--muted);font-size:.9rem;white-space:nowrap}
.people .role{color:var(--muted);font-size:.85rem}
.qa h2{font-size:1.1rem}
.more{margin-top:20px}
@media (max-width:600px){
  h1{font-size:1.45rem}
  .site-header{flex-direction:column;align-items:flex-start}
  nav a{margin:0 0 0 14px}
}