/* ═══════════════════════════════════════════════════════════════
   📚 مكتبة الحكايات العربية — طبقة تصميم "بوكوتوبيا" (Booktopia Look)
   ===============================================================
   تعمل فوق style.css (القلّابة والتحرير) بدون كسرها.
   تحاكي لغة بوكوتوبيا: أخضر نعناعي #009639، ترويسة بيضاء ببحث،
   باقات فئات، لافتات عروض، بطاقات منتجات للتحميل، وصفحة منتج.
   كل شيء مجاني للتحميل — لا شيء للبيع.
   ═══════════════════════════════════════════════════════════════ */

:root{
  --bt-green:#009639;         /* أخضر بوكوتوبيا */
  --bt-green-dark:#0b7a31;
  --bt-green-soft:#e6f6ec;
  --bt-accent:#00b14c;
  --bt-black:#111418;
  --bt-gray:#5a6369;
  --bt-line:#e4e6e1;
  --bt-bg:#f4f5f2;
  --bt-card:#ffffff;
  --bt-red:#d62828;
  --bt-yellow:#ffb300;
  --bt-radius:10px;
  --bt-shadow:0 1px 2px rgba(0,0,0,.06),0 6px 18px rgba(0,0,0,.06);
  --bt-shadow-lg:0 12px 34px rgba(0,0,0,.16);
}
/* ── ترويسة عليا سوداء رفيعة (مثل بوكوتوبيا) ─────────── */
.bt-top{
  background:#0d0f12;color:#cfd4cf;font-family:'Trebuchet MS',Verdana,sans-serif;
  font-size:.72rem;letter-spacing:.6px;padding:7px 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.bt-top a{color:#e9b95a;text-decoration:none;font-weight:700;}
.bt-top a:hover{text-decoration:underline;}
/* ── الترويسة الرئيسية ─────────────────────────────── */
.bt-header{
  background:var(--bt-card);border-bottom:1px solid var(--bt-line);
  position:sticky;top:0;z-index:40;box-shadow:0 2px 10px rgba(0,0,0,.05);
}
.bt-header-inner{
  max-width:1220px;margin:0 auto;padding:12px 22px;
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
}
.bt-logo{display:flex;align-items:center;gap:10px;text-decoration:none;margin-inline-end:auto;}
.bt-logo .mark{
  width:42px;height:42px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--bt-green),var(--bt-green-dark));
  color:#fff;font-size:1.3rem;box-shadow:0 4px 12px rgba(0,150,57,.35);
}
.bt-logo b{font-size:1.12rem;color:var(--bt-black);line-height:1.1;display:block;font-family:'Trebuchet MS',Verdana,sans-serif;}
.bt-logo span{display:block;font-size:.7rem;color:var(--bt-gray);letter-spacing:1px;text-transform:uppercase;}
.bt-search{
  flex:1 1 260px;min-width:220px;max-width:520px;position:relative;
}
.bt-search input{
  width:100%;padding:11px 42px 11px 16px;border:2px solid var(--bt-line);
  border-radius:30px;font-size:.95rem;background:#fbfbfa;outline:none;
  transition:border-color .2s;font-family:inherit;
}
.bt-search input:focus{border-color:var(--bt-green);}
.bt-search .s-ico{
  position:absolute;inset-inline-end:16px;top:50%;transform:translateY(-50%);
  color:var(--bt-gray);pointer-events:none;font-size:1rem;
}
.bt-header-icons{display:flex;align-items:center;gap:10px;}
.bt-hico{
  display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;
  color:var(--bt-black);font-family:'Trebuchet MS',Verdana,sans-serif;font-size:.62rem;
  text-transform:uppercase;letter-spacing:.4px;padding:6px 10px;border-radius:8px;transition:background .2s;
}
.bt-hico:hover{background:var(--bt-green-soft);}
.bt-hico em{font-style:normal;font-size:1.25rem;line-height:1;}
.bt-hico b{color:var(--bt-green);}
/* ── شريط الفئات ───────────────────────────────────── */
.bt-nav{background:var(--bt-card);border-bottom:1px solid var(--bt-line);}
.bt-nav-inner{max-width:1220px;margin:0 auto;padding:0 22px;display:flex;gap:4px;overflow-x:auto;}
.bt-nav a{
  white-space:nowrap;text-decoration:none;color:var(--bt-black);
  font-family:'Trebuchet MS',Verdana,sans-serif;font-size:.82rem;font-weight:600;
  padding:11px 14px;border-bottom:3px solid transparent;transition:.15s;
}
.bt-nav a:hover{color:var(--bt-green);border-bottom-color:var(--bt-green);}
/* ── لافتة عرض "مجاني" ─────────────────────────────── */
.bt-promo{
  background:linear-gradient(100deg,#e6f6ec 0%,#d0f0dc 55%,#bfead0 100%);
  border:1px solid var(--bt-green);color:var(--bt-green-dark);
  border-radius:12px;padding:12px 20px;text-align:center;
  font-family:'Trebuchet MS',Verdana,sans-serif;font-weight:700;font-size:.9rem;
}
.bt-promo b{color:var(--bt-red);}
/* ── الحاويات والعناوين ────────────────────────────── */
.bt-wrap{max-width:1220px;margin:0 auto;padding:0 22px;}
.bt-section{margin:34px 0;}
.bt-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;}
.bt-section-head h2{font-size:1.35rem;color:var(--bt-black);font-weight:800;}
.bt-section-head h2::before{content:"▮";color:var(--bt-green);margin-inline-end:8px;}
.bt-section-head .see{color:var(--bt-green);text-decoration:none;font-size:.85rem;font-weight:700;font-family:'Trebuchet MS',sans-serif;}
.bt-section-head .see:hover{text-decoration:underline;}
/* ── بطاقة منتج (قصة قابلة للتحميل) ────────────────── */
.bt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:20px;}
.bt-card{
  background:var(--bt-card);border:1px solid var(--bt-line);border-radius:var(--bt-radius);
  overflow:hidden;box-shadow:var(--bt-shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;position:relative;
}
.bt-card:hover{transform:translateY(-5px);box-shadow:var(--bt-shadow-lg);}
.bt-card .cov{
  position:relative;aspect-ratio:3/4;display:grid;place-items:center;padding:18px;
  background:linear-gradient(160deg,var(--c1,#0d4f5a),var(--c2,#173d42));
  color:#fff;text-align:center;overflow:hidden;
}
.bt-card .cov::before{content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 50% 24%,rgba(236,201,124,.32),transparent 62%),
    repeating-linear-gradient(45deg,transparent 0 14px,rgba(255,255,255,.04) 14px 15px);
}
.bt-card .cov .em{font-size:2.6rem;text-shadow:0 6px 18px rgba(0,0,0,.45);position:relative;}
.bt-card .cov h3{font-size:1.25rem;margin:6px 0 2px;line-height:1.25;position:relative;}
.bt-card .cov p{font-size:.74rem;opacity:.85;position:relative;}
.bt-card .cov .free{
  position:absolute;top:10px;inset-inline-end:10px;z-index:2;background:var(--bt-accent);
  color:#fff;font-size:.62rem;font-weight:800;font-family:'Trebuchet MS',sans-serif;
  padding:3px 9px;border-radius:30px;letter-spacing:.5px;box-shadow:0 3px 8px rgba(0,177,76,.4);
}
.bt-card .info{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1;}
.bt-card .info .tt{font-weight:700;font-size:.98rem;color:var(--bt-black);line-height:1.25;}
.bt-card .info .au{color:var(--bt-gray);font-size:.78rem;}
.bt-card .stars{color:var(--bt-yellow);font-size:.85rem;letter-spacing:1px;}
.bt-card .stars small{color:var(--bt-gray);letter-spacing:0;font-size:.7rem;}
.bt-card .dl{
  margin-top:auto;display:block;text-align:center;text-decoration:none;background:var(--bt-green);
  color:#fff;font-family:'Trebuchet MS',Verdana,sans-serif;font-weight:700;font-size:.82rem;
  padding:9px 10px;border-radius:7px;transition:background .2s;
}
.bt-card .dl:hover{background:var(--bt-green-dark);}
/* ── صفّ متحرك (شريط أفق) ─────────────────────────── */
.bt-track{display:flex;gap:18px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x proximity;}
.bt-track .bt-card{min-width:180px;max-width:200px;scroll-snap-align:start;flex:0 0 200px;}
/* ── صفحة المنتج (صفحة القصة / القلّابة) ───────────── */
.bt-crumb{max-width:1220px;margin:0 auto;padding:16px 22px 0;font-size:.82rem;color:var(--bt-gray);font-family:'Trebuchet MS',sans-serif;}
.bt-crumb a{color:var(--bt-green);text-decoration:none;font-weight:600;}
.bt-crumb a:hover{text-decoration:underline;}
.bt-crumb .sep{margin:0 6px;color:#b9bdb6;}
/* ── معرض المنتج + صندوق التحميل ───────────────────── */
.bt-product{max-width:1220px;margin:0 auto;padding:22px;display:grid;grid-template-columns:280px 1fr;gap:30px;}
.bt-gallery{
  background:linear-gradient(160deg,var(--c1,#0d4f5a),var(--c2,#173d42));
  border-radius:14px;color:#fff;display:grid;place-items:center;text-align:center;
  aspect-ratio:3/4;position:relative;overflow:hidden;box-shadow:var(--bt-shadow-lg);align-self:start;
}
.bt-gallery::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 26%,rgba(236,201,124,.34),transparent 60%),
  repeating-linear-gradient(45deg,transparent 0 16px,rgba(255,255,255,.04) 16px 17px);}
.bt-gallery .em{font-size:4rem;position:relative;text-shadow:0 8px 24px rgba(0,0,0,.5);}
.bt-gallery h1{font-size:2rem;position:relative;line-height:1.2;padding:0 16px;}
.bt-gallery small{position:relative;opacity:.85;}
.bt-buybox{display:flex;flex-direction:column;gap:12px;}
.bt-buybox .kick{color:var(--bt-green);font-weight:800;letter-spacing:1px;font-family:'Trebuchet MS',sans-serif;font-size:.72rem;text-transform:uppercase;}
.bt-buybox h1{font-size:clamp(1.5rem,3.4vw,2.3rem);color:var(--bt-black);line-height:1.15;}
.bt-buybox .sub{color:var(--bt-gray);font-size:1rem;line-height:1.9;}
.bt-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.bt-meta span{background:#f0f1ed;border:1px solid var(--bt-line);border-radius:30px;padding:5px 13px;font-size:.78rem;color:var(--bt-gray);font-family:'Trebuchet MS',sans-serif;}
.bt-meta b{color:var(--bt-black);}
.bt-price{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px;}
.bt-price .free-tag{font-size:1.6rem;font-weight:800;color:var(--bt-green);font-family:'Trebuchet MS',sans-serif;}
.bt-price .was{color:#b9bdb6;text-decoration:line-through;font-size:.9rem;}
.bt-dl{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--bt-green);color:#fff;font-family:'Trebuchet MS',Verdana,sans-serif;
  font-weight:800;font-size:1.02rem;padding:15px 22px;border-radius:9px;text-decoration:none;
  border:none;cursor:pointer;box-shadow:0 6px 16px rgba(0,150,57,.35);transition:.2s;
}
.bt-dl:hover{background:var(--bt-green-dark);transform:translateY(-1px);}
.bt-dl.secondary{background:#fff;color:var(--bt-green);border:2px solid var(--bt-green);box-shadow:none;}
.bt-dl.secondary:hover{background:var(--bt-green-soft);color:var(--bt-green-dark);}
.bt-note{font-size:.78rem;color:var(--bt-gray);}
.bt-note b{color:var(--bt-red);}
/* ── قلّابة داخل صفحة المنتج ───────────────────────── */
.bt-fb-shell{border-top:1px solid var(--bt-line);margin-top:8px;padding:26px 0 10px;}
.bt-fb-shell>h2{max-width:1220px;margin:0 auto 6px;padding:0 22px;font-size:1.3rem;color:var(--bt-black);}
/* ── تذييل بوكوتوبيا ──────────────────────────────── */
.bt-footer{background:#0d0f12;color:#bdbdb6;margin-top:46px;padding:0;}
.bt-footer .cols{max-width:1220px;margin:0 auto;padding:38px 22px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px;}
.bt-footer h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:10px;font-family:'Trebuchet MS',sans-serif;}
.bt-footer a{display:block;color:#bdbdb6;text-decoration:none;font-size:.85rem;padding:4px 0;}
.bt-footer a:hover{color:#e9b95a;}
.bt-footer .base{border-top:1px solid #24262b;padding:16px 22px;text-align:center;font-size:.75rem;}
/* ── استجابة ──────────────────────────────────────── */
@media (max-width:820px){
  .bt-product{grid-template-columns:1fr;gap:16px;}
  .bt-gallery{aspect-ratio:auto;min-height:240px;padding:20px;order:-1;}
  .bt-gallery h1{font-size:1.6rem;}
  .bt-header-inner{justify-content:center;}
  .bt-search{max-width:100%;flex-basis:100%;}
}