/* ==========================================================================
   قالب «مَنهَل» Manhal — theme.css
   تخطيط: شريط علويّ أبيض رفيع، ورأس أبيض فيه البحث، وتحته شريط قوائم بلون الهويّة.
   بطاقات بيضاء بإطار رفيع وصورة على خلفيّة رماديّة. ولسان «الملفّ» للسلايدر والبانرات.
   ألوان الهويّة الخمسة وحدها متغيّرة؛ وما عداها محايد ثابت.
   ========================================================================== */

:root {
  /* ألوان الهويّة — قيم تجريبيّة يستبدلها كلّ ناشر */
  --store-primary: #215ADA;
  --store-primary-dark: #1844A8;
  --store-accent: #C2501F;
  --store-bg: #FFFFFF;
  --store-text: #15181D;

  /* محايدات وألوان حالة ثابتة (ليست من الهويّة) */
  --ub-surface: #F6F7F9;
  --ub-surface-2: #E9EBEF;
  --ub-line: #E3E6EA;
  --ub-muted: #555E6B;
  --ub-dark: #15181D;
  --ub-on-dark: #FFFFFF;
  --ub-star: #F5B400;
  --ub-star-off: #D5D9E0;
  --ub-danger: #D12B1F;
  --ub-success: #137333;
  --ub-badge-gray: #5F6673;
  --ub-overlay: rgba(17, 22, 30, .62);
  /* خلفيّات فاتحة محايدة للسلايدر والبانرات */
  --ub-tint-sand: #EFE6D6;
  --ub-tint-sky: #E1EAF5;
  --ub-tint-mint: #E2EFE5;
  --ub-tint-lilac: #ECE6F5;

  /* ألوان أنواع الكتب — ثابتة في المنصّة */
  --ub-type-paper: #DB7056;
  --ub-type-ebook: #5675A3;
  --ub-type-audio: #986AB0;
  --ub-type-edu: #3f8f6b;

  /* الخطّ والمقاسات */
  --ub-font: "Tajawal", "Segoe UI", Tahoma, Arial, sans-serif;
  --ub-fs-xs: .8125rem;
  --ub-fs-sm: .9375rem;
  --ub-fs-md: 1rem;
  --ub-fs-lg: 1.25rem;
  --ub-fs-xl: 1.625rem;
  --ub-fs-2xl: 2.25rem;

  --ub-r-xs: 4px;
  --ub-r-sm: 6px;
  --ub-r-md: 10px;
  --ub-r-lg: 16px;
  --ub-r-full: 999px;
  --ub-shadow: 0 6px 24px rgba(17, 22, 30, .07);
  --ub-shadow-cover: 0 10px 22px -8px rgba(17, 22, 30, .35);
  --ub-container: 1320px;
  --ub-gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --ub-gutter-r: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- الأساس ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; -webkit-text-size-adjust: 100%; scroll-padding-top: 160px; }
body {
  margin: 0;
  font-family: var(--ub-font);
  font-size: var(--ub-fs-md);
  line-height: 1.7;
  color: var(--store-text);
  background: var(--store-bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.35; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--store-accent); outline-offset: 2px; border-radius: 4px; }
.ub-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ub-ltr { direction: ltr; unicode-bidi: isolate; }

.ub-container {
  width: 100%;
  max-width: var(--ub-container);
  margin-inline: auto;
  padding-left: var(--ub-gutter-l);
  padding-right: var(--ub-gutter-r);
}
.ub-section { padding-block: 56px; }
.ub-section--alt { background: var(--ub-surface); }

/* ---------- الأيقونات ---------- */
.ub-icon { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ub-icon--sm { width: 18px; height: 18px; }
.ub-flip { transform: scaleX(-1); }

/* ---------- الأزرار ---------- */
.ub-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 24px;
  border: 1px solid transparent; border-radius: var(--ub-r-full);
  font-weight: 700; font-size: var(--ub-fs-sm); line-height: 1.2;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.ub-btn:active { transform: translateY(1px); }
.ub-btn--primary { background: var(--store-primary); color: var(--ub-on-dark); }
.ub-btn--primary:hover { background: var(--store-primary-dark); }
.ub-btn--accent { background: var(--store-accent); color: var(--ub-on-dark); }
.ub-btn--accent:hover { filter: brightness(.92); }
.ub-btn--dark { background: var(--ub-dark); color: var(--ub-on-dark); }
.ub-btn--dark:hover { background: var(--store-primary); }
.ub-btn--outline { background: transparent; border-color: var(--store-primary); color: var(--store-primary); }
.ub-btn--outline:hover { background: var(--store-primary); color: var(--ub-on-dark); }
.ub-btn--ghost { background: var(--ub-surface-2); color: var(--store-text); }
.ub-btn--ghost:hover { background: var(--ub-line); }
.ub-btn--block { width: 100%; }
.ub-btn--sm { min-height: 40px; padding: 6px 16px; font-size: .875rem; font-weight: 600; }
/* زرّ السلّة في البطاقة: زرّ القالب الأصليّ، بإطارٍ بلون المتجر يمتلئ عند المرور، ظاهرٌ دائمًا */
.ub-btn--cart { background: transparent; border-color: var(--store-primary); color: var(--store-primary); }
.ub-btn--cart:hover, .ub-btn--cart:focus-visible { background: var(--store-primary); color: var(--ub-on-dark); }
.ub-hcard__cart { padding-inline: 12px; white-space: nowrap; }
.ub-card__foot .ub-btn { padding-inline: 10px; gap: 6px; white-space: nowrap; }
.ub-btn--light { background: var(--store-bg); color: var(--store-primary-dark); }
.ub-btn--light:hover { background: var(--ub-surface-2); }
.ub-btn[disabled], .ub-btn[aria-disabled="true"] { background: var(--ub-surface-2); color: var(--ub-muted); border-color: transparent; cursor: not-allowed; transform: none; }

/* الزرّ الدائريّ الكبير (للسلايدر والبانر) */
.ub-btn-round {
  display: inline-grid; place-items: center; align-content: center; gap: 2px;
  width: 112px; height: 112px; border-radius: 50%; border: 0;
  background: var(--store-primary); color: var(--ub-on-dark);
  font-weight: 800; font-size: var(--ub-fs-sm); text-align: center; line-height: 1.25;
  transition: background-color .2s, transform .25s;
}
.ub-btn-round:hover { background: var(--store-primary-dark); transform: rotate(-6deg); }
.ub-btn-round .ub-icon { transform: scaleX(-1); }

/* زرّ أيقونة دائريّ */
.ub-icon-btn {
  position: relative; display: inline-grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%; border: 0;
  background: var(--ub-surface-2); color: var(--store-text);
  transition: background-color .2s, color .2s;
}
.ub-icon-btn:hover { background: var(--ub-line); }
.ub-icon-btn--light { background: var(--store-bg); color: var(--store-primary); box-shadow: var(--ub-shadow); }
.ub-icon-btn--light:hover { background: var(--store-primary); color: var(--ub-on-dark); }
.ub-icon-btn[aria-pressed="true"] .ub-icon { fill: currentColor; }

/* العدّاد الصغير على الأيقونات */
.ub-count {
  position: absolute; top: -6px; inset-inline-end: -8px;
  min-width: 20px; height: 20px; padding-inline: 5px; border-radius: var(--ub-r-full);
  background: var(--ub-danger); color: var(--ub-on-dark);
  font-size: .6875rem; font-weight: 800; line-height: 16px; text-align: center;
  border: 2px solid var(--store-bg); font-variant-numeric: tabular-nums;
}

.ub-count:empty { display: none; }

/* ---------- رأس القسم ---------- */
.ub-section-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.ub-section-head h2 { font-size: var(--ub-fs-xl); font-weight: 700; }
.ub-section-head__tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ub-section-head__titles { display: grid; gap: 2px; }
.ub-section-head__sub { color: var(--ub-muted); font-size: var(--ub-fs-sm); }
.ub-tabs { display: inline-flex; gap: 2px; padding: 4px; border-radius: var(--ub-r-full); background: var(--ub-surface-2); }
.ub-tabs button {
  border: 0; background: transparent; padding: 6px 16px; border-radius: var(--ub-r-full);
  font-size: var(--ub-fs-xs); font-weight: 600; color: var(--ub-muted);
}
.ub-tabs button:hover { color: var(--store-text); }
.ub-tabs button:is([aria-pressed="true"], [aria-selected="true"]) { background: var(--store-bg); color: var(--store-text); box-shadow: 0 1px 3px rgba(17, 22, 30, .12); }
.ub-link-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: var(--ub-r-full);
  background: var(--ub-surface-2); color: var(--store-text);
  font-size: var(--ub-fs-xs); font-weight: 600;
}
.ub-link-pill:hover { background: var(--store-primary); color: var(--ub-on-dark); }

/* ---------- الشريط العلويّ ---------- */
.ub-topbar { background: var(--store-bg); color: var(--store-text); font-size: var(--ub-fs-xs); border-bottom: 1px solid var(--ub-line); }
.ub-topbar .ub-container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; }
.ub-topbar__msg b { font-weight: 700; }
.ub-topbar__link { color: var(--store-primary); text-decoration: underline; }
.ub-note { color: var(--ub-muted); font-size: var(--ub-fs-sm); }
.ub-note--xs { font-size: var(--ub-fs-xs); }
.ub-topbar__links { display: flex; align-items: center; }
.ub-topbar__links > * { display: inline-flex; align-items: center; gap: 6px; padding-inline: 12px; }
.ub-topbar__links > * + * { border-inline-start: 1px solid var(--ub-line); }

/* ---------- الرأس ---------- */
/* الرأس مثبّت أعلى الشاشة؛ يمرّ الشريط العلويّ (41px) ويبقى ما تحته */
.ub-header { position: sticky; top: -41px; z-index: 30; background: var(--store-bg); box-shadow: 0 1px 0 var(--ub-line); }
.ub-header__main .ub-container { display: flex; align-items: center; gap: 28px; min-height: 88px; }
.ub-brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.ub-brand img { width: 44px; height: 44px; border-radius: 10px; }
.ub-brand__name { font-size: 1.375rem; font-weight: 800; white-space: nowrap; color: var(--store-text); }

.ub-search { flex: 1; display: flex; align-items: stretch; max-width: 600px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-sm); background: var(--store-bg); }
.ub-search select {
  flex: none; border: 0; border-inline-end: 1px solid var(--ub-line); background: transparent;
  padding-inline: 14px 8px; font-size: var(--ub-fs-xs); font-weight: 600; color: var(--store-text); max-width: 150px;
}
.ub-search input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--store-text); padding: 10px 14px; font-size: var(--ub-fs-sm); }
.ub-search input::placeholder { color: var(--ub-muted); }
.ub-search input:focus, .ub-search select:focus { outline: none; }
.ub-search:focus-within { border-color: var(--store-primary); }
.ub-search .ub-btn { min-height: 44px; margin: -1px; border-radius: var(--ub-r-sm); padding-inline: 18px; }

.ub-header__actions { display: flex; align-items: center; gap: 22px; flex: none; margin-inline-start: auto; }
.ub-hicon { position: relative; display: inline-grid; place-items: center; color: var(--store-text); }
.ub-hicon:hover { color: var(--store-primary); }
.ub-hcart { display: inline-flex; align-items: center; gap: 12px; }
.ub-hcart__icon { position: relative; display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--ub-surface-2); }
.ub-hcart:hover .ub-hcart__icon { color: var(--store-primary); }
.ub-hcart__text { display: grid; line-height: 1.3; }
.ub-hcart__text small { font-size: .75rem; color: var(--ub-muted); }
.ub-hcart__text b { font-size: var(--ub-fs-sm); font-weight: 800; font-variant-numeric: tabular-nums; }
.ub-menu-btn { display: none; border-radius: var(--ub-r-sm); width: 42px; height: 42px; }

.ub-nav { background: var(--store-primary); color: var(--ub-on-dark); }
.ub-nav .ub-container { display: flex; align-items: center; gap: 6px; min-height: 54px; }
.ub-nav__all {
  display: inline-flex; align-items: center; gap: 10px; flex: none; margin-inline-end: 10px;
  padding: 8px 16px; border-radius: var(--ub-r-sm); border: 0;
  background: var(--store-primary-dark); color: var(--ub-on-dark); font-weight: 700; font-size: var(--ub-fs-sm);
}
.ub-nav__all:hover { background: rgba(0, 0, 0, .3); }
.ub-nav__list { display: flex; align-items: center; gap: 2px; overflow: hidden; }
.ub-nav__list a { display: block; padding: 8px 12px; border-radius: var(--ub-r-sm); font-weight: 500; font-size: var(--ub-fs-sm); white-space: nowrap; }
.ub-nav__list a:hover { background: rgba(255, 255, 255, .16); }
.ub-nav__offer { margin-inline-start: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: var(--ub-fs-sm); white-space: nowrap; }

/* ---------- الدرج الجانبيّ (الهاتف) ---------- */
.ub-drawer { position: fixed; inset: 0; z-index: 60; visibility: hidden; }
.ub-drawer.is-open { visibility: visible; }
.ub-drawer__backdrop { position: absolute; inset: 0; background: var(--ub-overlay); opacity: 0; transition: opacity .25s; }
.ub-drawer.is-open .ub-drawer__backdrop { opacity: 1; }
.ub-drawer__panel {
  position: absolute; top: 0; bottom: 0; inset-inline-start: 0;
  width: min(86vw, 340px); background: var(--store-bg);
  display: flex; flex-direction: column;
  padding: calc(16px + env(safe-area-inset-top, 0px)) 18px calc(18px + env(safe-area-inset-bottom, 0px));
  transform: translateX(100%); transition: transform .3s ease;
  overflow-y: auto;
}
.ub-drawer.is-open .ub-drawer__panel { transform: translateX(0); }
.ub-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.ub-drawer__head .ub-brand { margin: 0; }
.ub-drawer__head .ub-brand__name { font-size: 1.125rem; }
.ub-drawer .ub-search { display: flex; margin: 0 0 18px; max-width: none; }
.ub-drawer__title { font-size: var(--ub-fs-xs); font-weight: 700; color: var(--ub-muted); margin: 6px 0 8px; }
.ub-drawer__links a { display: flex; align-items: center; justify-content: space-between; padding: 12px 4px; border-bottom: 1px solid var(--ub-line); font-weight: 500; }
.ub-drawer__contacts { margin-top: auto; padding-top: 18px; display: grid; gap: 8px; font-size: var(--ub-fs-sm); color: var(--ub-muted); }

/* ---------- لسان «الملفّ» (للسلايدر والبانرات) ---------- */
.ub-folder { position: relative; border-radius: var(--ub-r-lg); border-start-end-radius: 0; margin-top: 22px; }
.ub-folder::before {
  content: ""; position: absolute; bottom: 100%; inset-inline-end: 0;
  width: 42%; height: 22px; background: inherit; border-radius: 14px 14px 0 0;
}

/* ---------- بطاقة الكتاب ---------- */
.ub-grid { display: grid; gap: 24px; grid-template-columns: repeat(var(--ub-cols, 5), minmax(0, 1fr)); }

.ub-card {
  display: flex; flex-direction: column; min-width: 0;
  background: var(--store-bg); border: 1px solid var(--ub-line); border-radius: var(--ub-r-md);
  padding: 8px; transition: box-shadow .25s, border-color .25s;
}
.ub-card:hover { box-shadow: var(--ub-shadow); border-color: transparent; }

.ub-card__media {
  position: relative; overflow: hidden;
  padding: 22px 32px;
  background: var(--ub-surface-2);
  border-radius: var(--ub-r-sm);
}
.ub-cover {
  position: relative; display: block; aspect-ratio: 2 / 3; max-width: 100%;
  border-radius: 3px 6px 6px 3px; overflow: hidden;
  box-shadow: var(--ub-shadow-cover);
  transition: transform .35s ease;
}
.ub-cover img { width: 100%; height: 100%; object-fit: cover; }
.ub-card:hover .ub-cover { transform: scale(1.03); }

/* دائرة نوع الكتاب على ركن الغلاف السفليّ */
.ub-type {
  position: absolute; bottom: 8px; inset-inline-start: 8px; z-index: 2;
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  color: #FFFFFF; border: 2px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(17, 22, 30, .25);
}
.ub-type .ub-icon { width: 17px; height: 17px; stroke-width: 2; }
.ub-type--paper { background: var(--ub-type-paper); }
.ub-type--ebook { background: var(--ub-type-ebook); }
.ub-type--audio { background: var(--ub-type-audio); }
.ub-type--edu   { background: var(--ub-type-edu); }

/* شارات الحالة: مستطيلات صغيرة في الركن العلويّ */
.ub-badges { position: absolute; top: 10px; inset-inline-start: 10px; z-index: 3; display: grid; justify-items: start; gap: 4px; }
.ub-badge { padding: 1px 8px; border-radius: var(--ub-r-xs); font-size: .75rem; font-weight: 700; line-height: 1.7; color: var(--ub-on-dark); }
.ub-badge--new  { background: var(--ub-success); }
.ub-badge--sale { background: var(--store-accent); }
.ub-badge--out  { background: var(--ub-badge-gray); }
.ub-badge--low  { background: var(--ub-dark); }
.ub-badge--sale { direction: ltr; unicode-bidi: isolate; }

/* شريط الخصم المائل في الركن المقابل */
.ub-ribbon {
  position: absolute; top: 0; inset-inline-end: 0; z-index: 3;
  width: 56px; height: 56px; background: var(--store-primary); color: var(--ub-on-dark);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  display: flex; align-items: flex-start; justify-content: flex-end; padding: 7px 8px;
  font-size: .875rem; font-weight: 800; line-height: 1;
}
[dir="rtl"] .ub-ribbon { clip-path: polygon(0 0, 100% 0, 0 100%); }

/* المفضّلة والنظرة السريعة: تطفوان فوق الغلاف عند الوقوف على البطاقة، ولا تحجزان مكانًا */
.ub-quick {
  position: absolute; bottom: 10px; inset-inline-end: 10px; z-index: 3;
  display: grid; gap: 6px;
  opacity: 0; visibility: hidden; transform: translateX(10px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
[dir="rtl"] .ub-quick { transform: translateX(-10px); }
.ub-quick .ub-icon-btn { width: 36px; height: 36px; }
.ub-card:hover .ub-quick, .ub-card:focus-within .ub-quick, .ub-quick:has([aria-pressed="true"]) {
  opacity: 1; visibility: visible; transform: none;
}
@media (hover: none) {
  .ub-quick { opacity: 1; visibility: visible; transform: none; }
}

/* نفدت الكمّيّة */
.ub-card.is-out .ub-cover img { filter: grayscale(1); opacity: .6; }

.ub-card__body { display: flex; flex-direction: column; gap: 4px; flex: 1; padding: 14px 6px 4px; }
.ub-card__author { font-size: var(--ub-fs-xs); color: var(--store-primary); font-weight: 500; }
.ub-card__author:hover { text-decoration: underline; }
.ub-card__title { font-size: var(--ub-fs-md); font-weight: 500; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ub-card__title a:hover { color: var(--store-primary); }
/* السعر ثمّ زرّ السلّة بعرض البطاقة: يُدفعان معًا إلى أسفلها لتتساوى الصفوف (البند 7) */
.ub-card__foot { margin-top: auto; padding-top: 8px; display: grid; gap: 12px; }
.ub-card__foot .ub-price { min-width: 0; gap: 0 8px; }
.ub-card__foot .ub-price__old { font-size: var(--ub-fs-xs); }

/* ---------- السعر والتوفّر ---------- */
.ub-price { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; }
.ub-price__now { font-size: 1.125rem; font-weight: 800; color: var(--store-text); font-variant-numeric: tabular-nums; white-space: nowrap; }
.ub-price__old { font-size: var(--ub-fs-sm); color: var(--ub-muted); text-decoration: line-through; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ub-price__off.ub-price__off--text { direction: rtl; }
.ub-price__off { font-size: .6875rem; font-weight: 800; color: var(--ub-on-dark); background: var(--ub-danger); padding: 1px 6px; border-radius: var(--ub-r-xs); line-height: 1.7; direction: ltr; unicode-bidi: isolate; }
.ub-price--lg .ub-price__now { font-size: var(--ub-fs-xl); }
.ub-stock { display: inline-flex; align-items: center; gap: 4px; padding: 0 8px; border-radius: var(--ub-r-full); border: 1px solid currentColor; font-size: .6875rem; font-weight: 700; line-height: 1.8; white-space: nowrap; }
.ub-stock--in  { color: var(--ub-success); }

/* ---------- التقييم ---------- */
.ub-rating { display: inline-flex; align-items: center; gap: 6px; font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-stars { position: relative; display: inline-block; width: 80px; height: 16px; flex: none; }
.ub-stars svg { position: absolute; inset: 0; width: 80px; height: 16px; }
.ub-stars__off { fill: var(--ub-star-off); }
.ub-stars__on { fill: var(--ub-star); clip-path: inset(0 calc(100% - var(--ub-score, 0) * 20%) 0 0); }
[dir="rtl"] .ub-stars__on { clip-path: inset(0 0 0 calc(100% - var(--ub-score, 0) * 20%)); }
.ub-rating--lg .ub-stars, .ub-rating--lg .ub-stars svg { width: 110px; height: 22px; }
.ub-rating--lg { font-size: var(--ub-fs-sm); }
.ub-rating__value { font-weight: 800; color: var(--store-text); font-variant-numeric: tabular-nums; }

/* ---------- ترقيم الصفحات ---------- */
.ub-pager { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.ub-pager a, .ub-pager span {
  display: inline-grid; place-items: center; min-width: 44px; height: 44px; padding-inline: 10px;
  border-radius: var(--ub-r-full); border: 1px solid var(--ub-line);
  font-weight: 700; font-variant-numeric: tabular-nums; background: var(--store-bg);
}
.ub-pager a:hover { border-color: var(--store-primary); color: var(--store-primary); }
.ub-pager [aria-current="page"] { background: var(--store-primary); border-color: var(--store-primary); color: var(--ub-on-dark); }
.ub-pager .is-gap { border-color: transparent; background: transparent; color: var(--ub-muted); }

/* ---------- النشرة البريديّة ---------- */
.ub-newsletter { background: var(--store-primary); color: var(--ub-on-dark); }
.ub-newsletter .ub-container { display: flex; align-items: center; gap: 24px; padding-block: 36px; flex-wrap: wrap; }
.ub-newsletter__title { font-size: var(--ub-fs-xl); font-weight: 400; white-space: nowrap; }
.ub-newsletter__title b { font-weight: 800; }
.ub-newsletter__offer { display: block; font-weight: 700; }
.ub-newsletter__sub { font-size: var(--ub-fs-sm); padding-inline-start: 24px; border-inline-start: 1px solid rgba(255, 255, 255, .5); }
.ub-newsletter__field {
  margin-inline-start: auto; flex: 0 1 460px; min-width: 0;
  display: flex; align-items: center; gap: 8px;
  background: var(--store-bg); border: 2px solid rgba(255, 255, 255, .7); border-radius: var(--ub-r-full); padding: 4px; padding-inline-start: 16px;
}
.ub-newsletter__field .ub-icon { color: var(--ub-muted); }
.ub-newsletter__field input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 8px 4px; color: var(--store-text); font-size: var(--ub-fs-sm); }
.ub-newsletter__field input:focus { outline: none; }
.ub-newsletter__field input::placeholder { color: var(--ub-muted); }
.ub-newsletter__field:focus-within { border-color: var(--store-accent); }
.ub-newsletter__field .ub-btn { min-height: 42px; }

/* ---------- التذييل ---------- */
.ub-footer { background: var(--ub-surface); color: var(--store-text); }
.ub-footer__grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 40px; padding-block: 56px 40px; }
.ub-footer__about { padding-inline-end: 40px; border-inline-end: 1px solid var(--ub-line); display: grid; align-content: start; justify-items: start; gap: 12px; }
.ub-footer__about p { color: var(--ub-muted); font-size: var(--ub-fs-sm); max-width: 34ch; }
.ub-footer__label { font-size: var(--ub-fs-sm); color: var(--ub-muted); margin-top: 6px; }
.ub-footer__phone { font-size: 1.5rem; font-weight: 800; letter-spacing: .02em; font-variant-numeric: tabular-nums; line-height: 1.2; }
.ub-footer__strong { font-weight: 700; }
.ub-footer h3 { font-size: var(--ub-fs-md); font-weight: 700; margin-bottom: 16px; }
.ub-footer__links { display: grid; gap: 10px; font-size: var(--ub-fs-sm); }
.ub-footer__links a { color: var(--ub-muted); }
.ub-footer__links a:hover { color: var(--store-primary); }
.ub-footer__row { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding-block: 22px; border-top: 1px solid var(--ub-line); }
.ub-social { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: var(--ub-fs-sm); }
.ub-social a { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--store-primary); color: var(--ub-on-dark); }
.ub-social a:hover { background: var(--store-primary-dark); }
.ub-social .ub-icon { width: 18px; height: 18px; }
.ub-pay { display: flex; gap: 8px; flex-wrap: wrap; }
.ub-pay span { padding: 4px 10px; border-radius: var(--ub-r-sm); background: var(--store-bg); border: 1px solid var(--ub-line); font-size: .75rem; font-weight: 700; color: var(--ub-muted); }
.ub-footer__bottom { border-top: 1px solid var(--ub-line); }
.ub-footer__bottom .ub-container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 18px; font-size: var(--ub-fs-xs); color: var(--ub-muted); }

/* ---------- الشريط السفليّ للهاتف ---------- */
.ub-tabbar { display: none; }

/* ==========================================================================
   الاستجابة: 1440 / 768 / 390
   ========================================================================== */
@media (max-width: 1199px) {
  .ub-grid { --ub-cols: 4; }
  .ub-footer__grid { grid-template-columns: 1fr 1fr; }
  .ub-footer__about { border-inline-end: 0; padding-inline-end: 0; }
  .ub-hcart__text { display: none; }
}
@media (max-width: 1023px) {
  .ub-header__main .ub-search { display: none; }
  .ub-nav { display: none; }
  .ub-menu-btn { display: inline-grid; }
  .ub-header__main .ub-container { min-height: 70px; gap: 14px; }
  .ub-grid { --ub-cols: 3; }
  .ub-topbar__msg { display: none; }
  .ub-topbar .ub-container { justify-content: center; }
  .ub-newsletter__field { margin-inline-start: 0; flex-basis: 100%; }
}
@media (max-width: 767px) {
  .ub-section { padding-block: 40px; }
  .ub-grid { --ub-cols: 2; gap: 12px; }
  .ub-card { padding: 6px; }
  .ub-card__media { padding: 16px 18px; }
  .ub-card__body { padding: 10px 4px 2px; }
  .ub-type { width: 28px; height: 28px; bottom: 6px; inset-inline-start: 6px; }
  .ub-type .ub-icon { width: 14px; height: 14px; }
  .ub-ribbon { width: 46px; height: 46px; font-size: .75rem; padding: 5px 6px; }
  .ub-quick .ub-icon-btn { width: 32px; height: 32px; }
  .ub-card__title { font-size: var(--ub-fs-sm); }
  .ub-section-head h2 { font-size: var(--ub-fs-lg); }
  .ub-brand img { width: 38px; height: 38px; }
  .ub-brand__name { font-size: 1.125rem; }
  .ub-header__actions { gap: 14px; }
  .ub-header__actions .ub-hide-sm { display: none; }
  .ub-topbar { display: none; }
  .ub-header { top: 0; }
  .ub-newsletter__title { white-space: normal; }
  .ub-newsletter__sub { padding-inline-start: 0; border: 0; }
  .ub-footer__grid { grid-template-columns: 1fr; gap: 28px; padding-block: 40px 28px; }
  .ub-btn-round { width: 92px; height: 92px; font-size: var(--ub-fs-xs); }

  body { padding-bottom: calc(66px + env(safe-area-inset-bottom, 0px)); }
  .ub-tabbar {
    display: grid; grid-template-columns: repeat(5, 1fr);
    position: fixed; inset-inline: 0; bottom: 0; z-index: 40;
    background: var(--store-bg); border-top: 1px solid var(--ub-line);
    box-shadow: 0 -4px 20px rgba(17, 22, 30, .06);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px);
  }
  .ub-tabbar a, .ub-tabbar button {
    display: grid; justify-items: center; gap: 2px; padding: 9px 2px 7px;
    background: none; border: 0; font-size: .75rem; font-weight: 500; color: var(--store-text);
  }
  .ub-tabbar__icon { position: relative; display: inline-grid; }
  .ub-tabbar__icon .ub-count { top: -7px; inset-inline-end: -12px; }
  .ub-tabbar [aria-current="page"] { color: var(--store-primary); font-weight: 700; }
}

/* ==========================================================================
   أقسام الصفحة الرئيسيّة
   ========================================================================== */

/* ---------- السلايدر ---------- */
.ub-hero { background: var(--ub-surface); padding-block: 36px 40px; }
.ub-slider { position: relative; }
.ub-slider__track {
  display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 24px) / 1.75);
  gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding-top: 22px; overscroll-behavior-x: contain;
}
.ub-slider__track::-webkit-scrollbar { display: none; }
.ub-slide {
  scroll-snap-align: start; min-width: 0;
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 12px;
  padding: 40px 44px; min-height: 380px;
  background: var(--ub-tint-sand); color: var(--store-text);
}
.ub-slider__track .ub-folder { margin-top: 0; }
.ub-slide__eyebrow { font-size: var(--ub-fs-sm); font-weight: 500; }
.ub-slide__title { font-size: 2.25rem; font-weight: 800; line-height: 1.25; margin-top: 6px; }
.ub-slide__author { font-size: var(--ub-fs-sm); color: var(--ub-muted); margin-top: 4px; }
.ub-slide .ub-price { margin-top: 6px; }
.ub-slide .ub-price__old { font-size: 1.125rem; order: 2; }
.ub-slide .ub-price__off { order: 3; }
.ub-slide .ub-price__now { font-size: 2rem; color: var(--store-primary); }
.ub-slide .ub-price__off { font-size: .75rem; padding: 2px 8px; }
.ub-slide__cta { margin-top: 26px; }
.ub-slide__art { position: relative; display: grid; place-items: center; }
/* صورة الشريحة (banner.image)، ويُستحسن أن تكون PNG شفّافة الخلفيّة */
.ub-slide__img { width: min(290px, 100%); height: auto; aspect-ratio: 5 / 6; object-fit: contain; transition: transform .3s; }
.ub-slide:hover .ub-slide__img { transform: translateY(-4px); }
.ub-slider__nav {
  position: absolute; top: 50%; z-index: 4; transform: translateY(-50%);
  width: 46px; height: 46px; background: var(--store-bg); box-shadow: var(--ub-shadow);
}
.ub-slider__nav--prev { inset-inline-start: -14px; }
.ub-slider__nav--next { inset-inline-end: -14px; }
.ub-slider__dots { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.ub-slider__dots button {
  width: 14px; height: 14px; padding: 0; border-radius: 50%; border: 2px solid transparent;
  background: var(--ub-star-off); background-clip: content-box; padding: 2px;
}
.ub-slider__dots button[aria-current="true"] { border-color: var(--store-primary); background-color: var(--store-primary); }

.ub-tint--sand { background: var(--ub-tint-sand); }
.ub-tint--sky { background: var(--ub-tint-sky); }
.ub-tint--lilac { background: var(--ub-tint-lilac); }

/* ---------- شريط الثقة ---------- */
.ub-trust { border-bottom: 1px solid var(--ub-line); }
.ub-trust ul { display: grid; grid-template-columns: repeat(3, 1fr); }
.ub-trust li { display: flex; align-items: center; gap: 14px; padding: 26px 20px; }
.ub-trust li + li { border-inline-start: 1px solid var(--ub-line); }
.ub-trust__icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--ub-surface-2); color: var(--store-primary); flex: none; }
.ub-trust b { display: block; font-weight: 700; }
.ub-trust small { display: block; font-size: var(--ub-fs-xs); color: var(--ub-muted); }

/* ---------- التصنيفات ---------- */
.ub-cats { display: grid; grid-template-columns: 2.3fr 1fr; gap: 24px; align-items: stretch; }
.ub-cats:not(:has(.ub-promo)) { grid-template-columns: 1fr; }
.ub-cats__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ub-cat {
  position: relative; display: grid; grid-template-columns: 76px minmax(0, 1fr) auto; grid-template-areas: "img name go" "img meta go";
  gap: 2px 16px; align-items: center; align-content: center;
  padding: 16px 18px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); background: var(--store-bg);
  transition: box-shadow .25s, border-color .25s;
}
.ub-cat:hover { box-shadow: var(--ub-shadow); border-color: transparent; }
.ub-cat__name { grid-area: name; align-self: end; font-size: var(--ub-fs-md); font-weight: 700; line-height: 1.4; }
.ub-cat__img { grid-area: img; width: 76px; height: 76px; border-radius: var(--ub-r-md); object-fit: cover; }
.ub-cat__meta { grid-area: meta; align-self: start; font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-cat__go { grid-area: go; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--ub-line); color: var(--store-primary); transition: background-color .2s, color .2s; }
.ub-cat__go .ub-icon { width: 16px; height: 16px; transform: scaleX(-1); }
.ub-cat:hover .ub-cat__go { background: var(--store-primary); color: var(--ub-on-dark); border-color: var(--store-primary); }

.ub-promo { display: grid; align-content: space-between; gap: 18px; padding: 30px 28px 0; text-align: center; background: var(--ub-tint-mint); color: var(--store-text); margin-top: 22px; }
.ub-promo__eyebrow { font-size: var(--ub-fs-sm); font-weight: 500; }
.ub-promo__title { font-size: var(--ub-fs-xl); font-weight: 800; }
/* صورة البانر (banner.image) أسفل اللوح، ويُستحسن أن تكون شفّافة الخلفيّة */
.ub-promo__img { width: 100%; height: auto; max-height: 190px; aspect-ratio: 3 / 2; object-fit: contain; object-position: center bottom; }

/* ---------- قائمة الأكثر مبيعًا (بطاقة أفقيّة) ---------- */
.ub-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ub-hcard {
  display: grid; grid-template-columns: 84px minmax(0, 1fr) auto; gap: 16px; align-items: center;
  padding: 12px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); background: var(--store-bg); min-width: 0;
  transition: box-shadow .25s, border-color .25s;
}
.ub-hcard:hover { box-shadow: var(--ub-shadow); border-color: transparent; }
.ub-hcard__media { position: relative; background: var(--ub-surface-2); border-radius: var(--ub-r-sm); padding: 8px; }
.ub-hcard__media .ub-cover { box-shadow: 0 6px 12px -6px rgba(17, 22, 30, .4); }
.ub-hcard__media .ub-type { width: 22px; height: 22px; bottom: 4px; inset-inline-start: 4px; border-width: 1.5px; }
.ub-hcard__media .ub-type .ub-icon { width: 11px; height: 11px; }
.ub-hcard__body { display: grid; gap: 3px; min-width: 0; }
.ub-hcard__title { font-size: var(--ub-fs-sm); font-weight: 500; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ub-hcard__title a:hover { color: var(--store-primary); }
.ub-hcard .ub-price__now { font-size: var(--ub-fs-md); }
.ub-rank { font-size: .75rem; font-weight: 800; color: var(--store-primary); }

/* ---------- المؤلّفون ---------- */
.ub-authors { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.ub-author {
  display: grid; justify-items: center; gap: 4px; text-align: center;
  padding: 24px 12px 20px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); background: var(--store-bg);
  transition: box-shadow .25s, border-color .25s;
}
.ub-author:hover { box-shadow: var(--ub-shadow); border-color: transparent; }
.ub-author img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; margin-bottom: 10px; border: 4px solid var(--ub-surface-2); }
.ub-author__name { font-weight: 700; }
.ub-author__meta { font-size: var(--ub-fs-xs); color: var(--ub-muted); }

/* ---------- البانر العريض ---------- */
.ub-banner {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 24px;
  padding: 40px 48px; background: var(--ub-tint-lilac); color: var(--store-text);
}
.ub-banner__eyebrow { font-size: var(--ub-fs-sm); font-weight: 500; }
.ub-banner__title { font-size: 2rem; font-weight: 800; line-height: 1.3; margin-top: 6px; }
.ub-banner__title em { font-style: normal; color: var(--store-primary); }
.ub-banner__text { color: var(--ub-muted); margin-top: 8px; max-width: 42ch; }
.ub-banner__cta { margin-top: 22px; }
.ub-banner__img { border-radius: var(--ub-r-md); width: 100%; height: auto; aspect-ratio: 16 / 5; object-fit: cover; }

@media (max-width: 1199px) {
  .ub-slider__track { grid-auto-columns: 82%; }
  .ub-cats { grid-template-columns: 1fr; }
  .ub-promo { display: none; }
  .ub-authors { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ub-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .ub-hero { padding-block: 16px 24px; }
  .ub-slider__track { grid-auto-columns: 100%; gap: 12px; }
  .ub-slide { grid-template-columns: 1fr 104px; padding: 24px 20px; min-height: 0; gap: 14px; }
  .ub-slide__img { width: 104px; }
  .ub-slide__title { font-size: 1.375rem; }
  .ub-slide .ub-price { margin-top: 8px; }
  .ub-slide .ub-price__old { font-size: var(--ub-fs-sm); }
  .ub-slide .ub-price__now { font-size: 1.375rem; }
  .ub-slide__cta { margin-top: 16px; width: 76px; height: 76px; font-size: .75rem; }
  .ub-slider__nav { display: none; }
  .ub-trust .ub-container { padding: 0; }
  .ub-trust ul { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-inline: 16px; }
  .ub-trust ul::-webkit-scrollbar { display: none; }
  .ub-trust li { flex: 0 0 auto; max-width: 78vw; padding: 12px 14px; gap: 10px; scroll-snap-align: start; }
  .ub-trust li:first-child { padding-inline-start: 0; }
  .ub-trust__icon { width: 38px; height: 38px; }
  .ub-trust b { font-size: var(--ub-fs-sm); white-space: nowrap; }
  .ub-trust small { white-space: nowrap; }
  .ub-cats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .ub-cat { padding: 12px; grid-template-columns: 48px minmax(0, 1fr); grid-template-areas: "img name" "img meta"; gap: 0 10px; }
  .ub-cat__img { width: 48px; height: 48px; border-radius: var(--ub-r-sm); }
  .ub-cat__go { display: none; }
  .ub-list { grid-template-columns: 1fr; }
  .ub-authors { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 40%; gap: 10px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .ub-authors > * { scroll-snap-align: start; }
  .ub-author { padding: 18px 8px 14px; }
  .ub-author img { width: 76px; height: 76px; }
  .ub-banner { grid-template-columns: 1fr; padding: 26px 22px; }
  .ub-banner__title { font-size: 1.5rem; }
}

/* ==========================================================================
   صفحات الداخل: رأس الصفحة، والتصنيف والبحث والعروض
   ========================================================================== */
.ub-pagehead { background: var(--ub-surface); padding-block: 28px; }
.ub-pagehead h1 { font-size: var(--ub-fs-2xl); font-weight: 800; }
.ub-pagehead p { color: var(--ub-muted); font-size: var(--ub-fs-sm); margin-top: 4px; }
.ub-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: var(--ub-fs-xs); color: var(--ub-muted); margin-bottom: 8px; }
.ub-crumbs a:hover { color: var(--store-primary); }
.ub-crumbs .ub-icon { width: 14px; height: 14px; transform: scaleX(-1); }
.ub-crumbs [aria-current="page"] { color: var(--store-text); font-weight: 600; }

.ub-shop { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 32px; align-items: start; padding-block: 36px 56px; }
.ub-shop .ub-grid { --ub-cols: 4; gap: 20px; }

/* لوح التصفية: عمودٌ جانبيّ في الحاسوب، ودرجٌ في الهاتف */
.ub-drawer--filters { position: static; visibility: visible; z-index: auto; }
.ub-drawer--filters .ub-drawer__backdrop, .ub-drawer--filters .ub-drawer__head, .ub-drawer--filters .ub-drawer__foot { display: none; }
.ub-drawer--filters .ub-drawer__panel { position: static; transform: none; width: auto; padding: 0; overflow: visible; background: transparent; }
.ub-filters { display: grid; gap: 14px; }
.ub-filter { border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); background: var(--store-bg); }
.ub-filter summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 18px; font-weight: 700; cursor: pointer; list-style: none; }
.ub-filter summary::-webkit-details-marker { display: none; }
.ub-filter summary .ub-icon { width: 18px; height: 18px; transform: rotate(90deg); transition: transform .2s; }
.ub-filter[open] summary .ub-icon { transform: rotate(-90deg); }
.ub-filter__body { display: grid; gap: 10px; padding: 0 18px 18px; }
.ub-check { display: flex; align-items: center; gap: 10px; font-size: var(--ub-fs-sm); cursor: pointer; }
.ub-check input { width: 18px; height: 18px; margin: 0; accent-color: var(--store-primary); flex: none; }
.ub-check__count { margin-inline-start: auto; font-size: var(--ub-fs-xs); color: var(--ub-muted); font-variant-numeric: tabular-nums; }
.ub-check .ub-type { position: static; width: 24px; height: 24px; border-width: 0; box-shadow: none; }
.ub-check .ub-type .ub-icon { width: 13px; height: 13px; }
.ub-range { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px; }
.ub-range input { width: 100%; min-width: 0; padding: 8px 10px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-sm); font-size: var(--ub-fs-sm); font-variant-numeric: tabular-nums; background: var(--store-bg); }
.ub-range input:focus { outline: none; border-color: var(--store-primary); }
.ub-range span { font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-filters__actions { display: flex; gap: 10px; }
.ub-filters__actions .ub-btn { flex: 1; white-space: nowrap; }
.ub-drawer__foot .ub-btn:first-child { flex: 2; }

.ub-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.ub-toolbar__count { font-size: var(--ub-fs-sm); color: var(--ub-muted); }
.ub-toolbar__count b { color: var(--store-text); font-variant-numeric: tabular-nums; }
.ub-toolbar__tools { display: flex; align-items: center; gap: 10px; }
.ub-select { display: inline-flex; align-items: center; gap: 8px; font-size: var(--ub-fs-sm); }
.ub-select select { padding: 9px 14px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-full); background: var(--store-bg); font-size: var(--ub-fs-sm); font-weight: 600; }
.ub-select select:focus { outline: none; border-color: var(--store-primary); }
.ub-filter-btn { display: none; }
.ub-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.ub-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px 5px 12px; border-radius: var(--ub-r-full); background: var(--ub-surface-2); font-size: var(--ub-fs-xs); font-weight: 600; border: 0; }
[dir="rtl"] .ub-chip { padding: 5px 12px 5px 8px; }
.ub-chip .ub-icon { width: 14px; height: 14px; }
.ub-chip:hover { background: var(--ub-line); }
.ub-chip__x { display: inline-grid; place-items: center; width: 22px; height: 22px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--ub-muted); }
.ub-chip__x:hover { background: var(--store-bg); color: var(--ub-danger); }
.ub-chip--clear { background: transparent; color: var(--store-primary); text-decoration: underline; }
.ub-shop .ub-pager { margin-top: 40px; }
/* الشبكة أو القائمة (شكلٌ فقط) */
.ub-view { display: inline-flex; padding: 3px; border-radius: var(--ub-r-full); background: var(--ub-surface-2); }
.ub-view button { display: inline-grid; place-items: center; width: 38px; height: 34px; border: 0; border-radius: var(--ub-r-full); background: transparent; color: var(--ub-muted); }
.ub-view button[aria-pressed="true"] { background: var(--store-bg); color: var(--store-primary); box-shadow: 0 1px 3px rgba(17, 22, 30, .12); }
.ub-grid.is-list { grid-template-columns: minmax(0, 1fr); gap: 14px; }
.ub-grid.is-list .ub-card { flex-direction: row; gap: 18px; }
.ub-grid.is-list .ub-card__media { flex: none; width: 150px; padding: 16px 20px; }
.ub-grid.is-list .ub-card__body { padding: 8px 4px 6px; }
.ub-grid.is-list .ub-card__foot { max-width: 320px; }

@media (max-width: 1199px) {
  .ub-shop .ub-grid { --ub-cols: 3; }
}
@media (max-width: 1023px) {
  .ub-shop { grid-template-columns: 1fr; padding-block: 24px 40px; }
  .ub-filter-btn { display: inline-flex; }
  .ub-drawer--filters { position: fixed; inset: 0; z-index: 60; visibility: hidden; }
  .ub-drawer--filters.is-open { visibility: visible; }
  .ub-drawer--filters .ub-drawer__backdrop { display: block; }
  .ub-drawer--filters .ub-drawer__head { display: flex; }
  .ub-drawer--filters .ub-drawer__foot { display: flex; position: sticky; bottom: 0; background: var(--store-bg); padding-top: 14px; margin-top: auto; }
  .ub-drawer--filters .ub-drawer__panel {
    position: absolute; top: 0; bottom: 0; inset-inline-start: 0; width: min(88vw, 360px);
    background: var(--store-bg); transform: translateX(100%); overflow-y: auto;
    padding: calc(16px + env(safe-area-inset-top, 0px)) 18px calc(18px + env(safe-area-inset-bottom, 0px));
  }
  .ub-drawer--filters.is-open .ub-drawer__panel { transform: translateX(0); }
  .ub-drawer--filters .ub-filters__actions.is-desktop { display: none; }
}
@media (max-width: 767px) {
  .ub-pagehead { padding-block: 20px; }
  .ub-pagehead h1 { font-size: var(--ub-fs-xl); }
  .ub-shop .ub-grid { --ub-cols: 2; gap: 12px; }
  .ub-toolbar__tools { width: 100%; }
  .ub-toolbar__tools .ub-select { flex: 1; }
  .ub-toolbar__tools .ub-select select { width: 100%; }
  .ub-select__label { display: none; }
  .ub-grid.is-list .ub-card__media { width: 112px; padding: 12px; }
}

/* ==========================================================================
   صفحة الكتاب (ورقيّ، وإلكترونيّ، وصوتيّ، ووسيلة تعليميّة)
   ========================================================================== */
.ub-product { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; padding-block: 32px 56px; }
.ub-gallery { position: sticky; top: 162px; display: grid; gap: 14px; }
.ub-gallery__stage { position: relative; display: grid; place-items: center; padding: 48px 20px; background: var(--ub-surface-2); }
.ub-gallery__stage .ub-cover { width: min(300px, 70%); box-shadow: 0 30px 50px -20px rgba(17, 22, 30, .5); }
.ub-gallery__stage .ub-type { width: 44px; height: 44px; bottom: 12px; inset-inline-start: 12px; }
.ub-gallery__stage .ub-type .ub-icon { width: 22px; height: 22px; }
.ub-gallery__stage .ub-badges { top: 16px; inset-inline-start: 16px; }
.ub-thumbs { display: flex; gap: 10px; }
.ub-thumbs button { width: 72px; padding: 8px; border-radius: var(--ub-r-sm); border: 1.5px solid var(--ub-line); background: var(--ub-surface-2); }
.ub-thumbs button[aria-current="true"] { border-color: var(--store-primary); }
.ub-thumbs img { aspect-ratio: 2 / 3; width: 100%; height: auto; object-fit: cover; border-radius: 2px; }
.ub-thumbs button { align-self: start; }

.ub-info { display: grid; gap: 18px; min-width: 0; }
.ub-info__cat { font-size: var(--ub-fs-sm); color: var(--store-primary); font-weight: 600; }
.ub-info h1 { font-size: 2rem; font-weight: 800; line-height: 1.3; }
.ub-info__by { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; font-size: var(--ub-fs-sm); color: var(--ub-muted); }
.ub-info__by a { color: var(--store-primary); font-weight: 600; }
.ub-info__by a:hover { text-decoration: underline; }
.ub-info__lead { color: var(--ub-muted); max-width: 62ch; }
.ub-info hr { border: 0; border-top: 1px solid var(--ub-line); margin: 0; width: 100%; }
.ub-info .ub-price__now { font-size: 2rem; color: var(--store-text); }
.ub-info .ub-price__old { font-size: 1.125rem; }
.ub-info .ub-price__off { font-size: .8125rem; padding: 2px 8px; }

.ub-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.ub-fact { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: var(--ub-r-md); background: var(--ub-surface); }
.ub-fact .ub-icon { color: var(--store-primary); width: 22px; height: 22px; }
.ub-fact small { display: block; font-size: .75rem; color: var(--ub-muted); line-height: 1.4; }
.ub-fact b { display: block; font-weight: 700; font-size: var(--ub-fs-sm); line-height: 1.4; }

.ub-buy { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.ub-qty { display: inline-flex; align-items: center; border: 1px solid var(--ub-line); border-radius: var(--ub-r-full); height: 50px; }
.ub-qty button { width: 44px; height: 100%; border: 0; background: transparent; font-size: 1.25rem; font-weight: 700; border-radius: var(--ub-r-full); }
.ub-qty button:hover { color: var(--store-primary); }
.ub-qty input { width: 44px; border: 0; text-align: center; font-weight: 700; font-size: var(--ub-fs-md); font-variant-numeric: tabular-nums; background: transparent; -moz-appearance: textfield; }
.ub-qty input::-webkit-inner-spin-button, .ub-qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.ub-buy .ub-btn { min-height: 50px; padding-inline: 28px; }
.ub-buy .ub-btn--primary { flex: 1 1 200px; }
.ub-buy .ub-icon-btn { width: 50px; height: 50px; background: var(--store-bg); border: 1px solid var(--ub-line); }
.ub-buy .ub-icon-btn[aria-pressed="true"] { color: var(--ub-danger); }

.ub-sample { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 16px 18px; border-radius: var(--ub-r-md); border: 1px dashed var(--store-primary); }
.ub-sample p { flex: 1 1 220px; font-size: var(--ub-fs-sm); color: var(--ub-muted); }
.ub-sample b { color: var(--store-text); }

/* صندوق التوصيل والدفع */
.ub-perks { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 18px; padding: 14px 18px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); background: var(--ub-surface); font-size: var(--ub-fs-sm); }
.ub-perks li { display: flex; align-items: center; gap: 10px; }
.ub-perks .ub-icon { width: 20px; height: 20px; color: var(--ub-success); }

/* اختيار النسخة (book.formats): يُخفى إن لم يكن للعنوان غير صيغة واحدة */
.ub-formats { display: grid; gap: 8px; }
.ub-formats__label { font-size: var(--ub-fs-xs); font-weight: 700; color: var(--ub-muted); }
.ub-formats__list { display: flex; flex-wrap: wrap; gap: 10px; }
.ub-format { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px 8px 16px; border: 1.5px solid var(--ub-line); border-radius: var(--ub-r-full); background: var(--store-bg); font-size: var(--ub-fs-sm); transition: border-color .2s; }
.ub-format:hover { border-color: var(--store-primary); }
.ub-format.is-current { border-color: var(--store-primary); background: color-mix(in srgb, var(--store-primary) 6%, var(--store-bg)); }
.ub-format .ub-type { position: static; width: 26px; height: 26px; border-width: 0; box-shadow: none; }
.ub-format .ub-type .ub-icon { width: 14px; height: 14px; }
.ub-format__name { font-weight: 700; }
.ub-format__price { color: var(--ub-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* التبويبات أسفل الصفحة */
.ub-ptabs { border-top: 1px solid var(--ub-line); }
.ub-ptabs__bar { display: flex; gap: 28px; border-bottom: 1px solid var(--ub-line); overflow-x: auto; scrollbar-width: none; }
.ub-ptabs__bar button { position: relative; padding: 18px 0; border: 0; background: none; font-weight: 700; font-size: var(--ub-fs-md); color: var(--ub-muted); white-space: nowrap; }
.ub-ptabs__bar button[aria-selected="true"] { color: var(--store-text); }
.ub-ptabs__bar button[aria-selected="true"]::after { content: ""; position: absolute; inset-inline: 0; bottom: -1px; height: 3px; border-radius: 3px 3px 0 0; background: var(--store-primary); }
.ub-ptabs__panel { padding-block: 28px 8px; }
/* الوصف ونبذة المؤلّف متجاوران، فلا يبقى نصف اللوح فارغًا */
.ub-desc:not([hidden]) { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 40px; align-items: start; }
.ub-prose { max-width: 72ch; display: grid; gap: 14px; color: var(--store-text); }
.ub-prose p { color: var(--ub-muted); }
.ub-specs { width: 100%; max-width: 720px; border-collapse: collapse; font-size: var(--ub-fs-sm); }
.ub-specs th, .ub-specs td { text-align: start; padding: 12px 16px; border-bottom: 1px solid var(--ub-line); }
.ub-specs th { width: 34%; color: var(--ub-muted); font-weight: 500; background: var(--ub-surface); }
.ub-specs td { font-weight: 600; font-variant-numeric: tabular-nums; }

.ub-reviews { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 40px; align-items: start; }
.ub-score { display: grid; gap: 10px; padding: 24px; border-radius: var(--ub-r-md); background: var(--ub-surface); }
.ub-score__big { font-size: 3rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.ub-bars { display: grid; gap: 6px; margin-top: 6px; }
.ub-bar { display: grid; grid-template-columns: 52px 1fr 36px; align-items: center; gap: 10px; font-size: var(--ub-fs-xs); color: var(--ub-muted); font-variant-numeric: tabular-nums; }
.ub-bar__track { height: 8px; border-radius: 8px; background: var(--ub-surface-2); overflow: hidden; }
.ub-bar__fill { display: block; height: 100%; width: var(--w); background: var(--ub-star); border-radius: 8px; }
.ub-review-list { display: grid; gap: 14px; }
.ub-review { display: grid; gap: 6px; padding: 18px 20px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); }
.ub-review header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; }
.ub-review b { font-weight: 700; }
.ub-review time { font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-review p { color: var(--ub-muted); font-size: var(--ub-fs-sm); }

.ub-author-box { display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: center; padding: 22px; border-radius: var(--ub-r-md); background: var(--ub-surface); }
.ub-author-box img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; }
.ub-author-box h3 { font-size: var(--ub-fs-lg); font-weight: 800; }
.ub-author-box p { color: var(--ub-muted); font-size: var(--ub-fs-sm); margin-block: 4px 10px; }

/* شريط الشراء الثابت أسفل الهاتف */
.ub-sticky-buy { display: none; }

@media (max-width: 1023px) {
  .ub-product { grid-template-columns: 1fr; gap: 28px; }
  .ub-gallery { position: static; }
  .ub-reviews { grid-template-columns: 1fr; }
  .ub-desc:not([hidden]) { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 767px) {
  .ub-product { padding-block: 16px 36px; }
  .ub-gallery__stage { padding: 30px 16px; }
  .ub-gallery__stage .ub-cover { width: 56%; }
  .ub-info h1 { font-size: 1.5rem; }
  .ub-info .ub-price__now { font-size: 1.625rem; }
  .ub-buy .ub-btn--dark { flex: 1 1 calc(100% - 64px); }
  .ub-formats__list { display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: 8px; }
  .ub-format { display: grid; justify-items: center; gap: 2px; padding: 8px 6px; border-radius: var(--ub-r-md); text-align: center; }
  .ub-format .ub-type { width: 24px; height: 24px; }
  .ub-author-box { grid-template-columns: 1fr; justify-items: start; }
  .ub-sticky-buy {
    display: flex; align-items: center; gap: 12px;
    position: fixed; inset-inline: 0; bottom: calc(60px + env(safe-area-inset-bottom, 0px)); z-index: 39;
    padding: 10px max(16px, env(safe-area-inset-right, 0px)) 10px max(16px, env(safe-area-inset-left, 0px));
    background: var(--store-bg); border-top: 1px solid var(--ub-line);
  }
  .ub-sticky-buy .ub-price { flex: 1; }
  .ub-sticky-buy .ub-btn { min-height: 44px; }
  body.has-sticky-buy { padding-bottom: calc(130px + env(safe-area-inset-bottom, 0px)); }
}

/* ==========================================================================
   صفحة المؤلّف
   ========================================================================== */
.ub-profile { background: var(--ub-surface); padding-block: 28px 40px; }
.ub-profile__card { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 36px; align-items: center; padding: 32px; background: var(--store-bg); }
.ub-profile__photo { width: 200px; aspect-ratio: 1; border-radius: var(--ub-r-lg); object-fit: cover; height: auto; }
.ub-profile__role { font-size: var(--ub-fs-sm); color: var(--store-primary); font-weight: 600; }
.ub-profile h1 { font-size: var(--ub-fs-2xl); font-weight: 800; margin-top: 2px; }
.ub-profile__bio { color: var(--ub-muted); max-width: 70ch; margin-top: 10px; }
.ub-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.ub-stat { display: grid; padding: 10px 18px; border-radius: var(--ub-r-md); background: var(--ub-surface); min-width: 120px; }
.ub-stat b { font-size: var(--ub-fs-lg); font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.3; }
.ub-stat small { font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-grid--6 { --ub-cols: 6; gap: 18px; }

@media (max-width: 767px) {
  .ub-profile { padding-block: 16px 28px; }
  .ub-profile__card { grid-template-columns: 1fr; gap: 18px; padding: 22px 18px; }
  .ub-profile__photo { width: 120px; }
  .ub-profile h1 { font-size: var(--ub-fs-xl); }
  .ub-stat { min-width: 0; flex: 1 1 30%; padding: 8px 12px; }
}

/* ==========================================================================
   السلّة وصفحة «غير موجودة»
   ========================================================================== */
.ub-cart { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 32px; align-items: start; padding-block: 32px 56px; }
.ub-ship-goal { display: grid; gap: 8px; padding: 16px 18px; border-radius: var(--ub-r-md); background: var(--ub-surface); font-size: var(--ub-fs-sm); margin-bottom: 18px; }
.ub-ship-goal b { color: var(--store-primary); }
.ub-progress { height: 8px; border-radius: 8px; background: var(--ub-surface-2); overflow: hidden; }
.ub-progress span { display: block; height: 100%; width: var(--w); background: var(--store-primary); border-radius: 8px; }

.ub-lines { border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); overflow: hidden; }
.ub-lines__head, .ub-line { display: grid; grid-template-columns: minmax(0, 1fr) 120px 140px 110px 44px; align-items: center; gap: 16px; padding: 14px 20px; }
.ub-lines__head { background: var(--ub-surface); font-size: var(--ub-fs-xs); font-weight: 700; color: var(--ub-muted); }
.ub-line + .ub-line { border-top: 1px solid var(--ub-line); }
.ub-line__item { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 14px; align-items: center; min-width: 0; }
.ub-line__media { position: relative; padding: 6px; border-radius: var(--ub-r-sm); background: var(--ub-surface-2); }
.ub-line__media .ub-cover { box-shadow: 0 6px 12px -6px rgba(17, 22, 30, .4); }
.ub-line__media .ub-type { width: 22px; height: 22px; bottom: 2px; inset-inline-start: 2px; border-width: 1.5px; }
.ub-line__media .ub-type .ub-icon { width: 11px; height: 11px; }
.ub-line__title { font-weight: 600; line-height: 1.5; }
.ub-line__title a:hover { color: var(--store-primary); }
.ub-line__meta { font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-line__price, .ub-line__total { font-weight: 700; font-variant-numeric: tabular-nums; }
.ub-line__total { font-weight: 800; }
.ub-line .ub-qty { height: 40px; }
.ub-line .ub-qty button { width: 36px; }
.ub-line .ub-qty input { width: 34px; }
.ub-line__remove { width: 40px; height: 40px; background: transparent; color: var(--ub-muted); }
.ub-line__remove:hover { background: var(--ub-surface-2); color: var(--ub-danger); }
.ub-lbl { display: none; }
.ub-cart__after { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

.ub-summary { position: sticky; top: 162px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 24px; border-radius: var(--ub-r-md); background: var(--ub-surface); }
.ub-summary h2 { font-size: var(--ub-fs-lg); font-weight: 800; }
.ub-summary dl { display: grid; gap: 10px; margin: 0; font-size: var(--ub-fs-sm); }
.ub-summary dl div { display: flex; justify-content: space-between; gap: 12px; }
.ub-summary dt { color: var(--ub-muted); }
.ub-summary dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }
.ub-summary .is-discount dd { color: var(--ub-success); }
.ub-summary .is-total { padding-top: 12px; border-top: 1px solid var(--ub-line); font-size: var(--ub-fs-md); }
.ub-summary .is-total dt { color: var(--store-text); font-weight: 700; }
.ub-summary .is-total dd { font-size: 1.375rem; font-weight: 800; }
.ub-coupon { display: flex; gap: 8px; }
.ub-coupon input { flex: 1; min-width: 0; padding: 10px 16px; border: 1px solid var(--ub-line); border-radius: var(--ub-r-full); background: var(--store-bg); font-size: var(--ub-fs-sm); }
.ub-coupon input:focus { outline: none; border-color: var(--store-primary); }
.ub-summary .ub-btn--block { min-height: 52px; }
.ub-summary__note { display: flex; align-items: center; gap: 8px; justify-content: center; font-size: var(--ub-fs-xs); color: var(--ub-muted); }
.ub-summary__note .ub-icon { width: 16px; height: 16px; }

.ub-404 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-block: 56px; }
.ub-404 .ub-404__num { font-size: clamp(5rem, 14vw, 9rem); font-weight: 800; line-height: 1; color: var(--store-primary); letter-spacing: -.02em; }
.ub-404 h1 { font-size: var(--ub-fs-2xl); font-weight: 800; margin-top: 8px; }
.ub-404 p:not(.ub-404__num) { color: var(--ub-muted); margin-top: 8px; max-width: 46ch; }
.ub-404 .ub-search { margin-top: 24px; max-width: 520px; }
.ub-404__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.ub-404__art { display: grid; place-items: center; padding: 40px 20px; background: var(--ub-tint-sky); }
.ub-404__stack { position: relative; width: min(260px, 70%); aspect-ratio: 3 / 4; }
.ub-404__stack .ub-cover { position: absolute; width: 62%; }
.ub-404__stack .ub-cover:nth-child(1) { inset-inline-start: 0; top: 10%; transform: rotate(-12deg); }
.ub-404__stack .ub-cover:nth-child(2) { inset-inline-end: 0; top: 0; transform: rotate(9deg); }
.ub-404__stack .ub-cover:nth-child(3) { inset-inline-start: 19%; top: 22%; transform: rotate(-2deg); }

@media (max-width: 1199px) {
  .ub-cart { grid-template-columns: minmax(0, 1fr); }
  .ub-summary { position: static; }
}
@media (max-width: 767px) {
  .ub-cart { padding-block: 16px 36px; }
  .ub-lines__head { display: none; }
  .ub-line { grid-template-columns: 1fr auto; grid-template-areas: "item remove" "qty total"; gap: 12px; padding: 14px; }
  .ub-line__item { grid-area: item; grid-template-columns: 60px minmax(0, 1fr); }
  .ub-line__price { display: none; }
  .ub-line .ub-qty { grid-area: qty; justify-self: start; }
  .ub-line__total { grid-area: total; justify-self: end; }
  .ub-line__remove { grid-area: remove; align-self: start; }
  .ub-404 { grid-template-columns: 1fr; padding-block: 28px; gap: 24px; }
  .ub-404__art { order: -1; padding: 24px; }
  .ub-404__stack { width: 160px; }
  .ub-404 h1 { font-size: var(--ub-fs-xl); }
}

/* ==========================================================================
   خيارات الناشر (تضعها المنصّة سماتٍ على <body>، والقيم في theme.json)
   ========================================================================== */
/* card_style: bordered (الافتراضيّ) أو flat */
body[data-card-style="flat"] .ub-card { border-color: transparent; padding: 0; }
body[data-card-style="flat"] .ub-card:hover { box-shadow: none; }
body[data-card-style="flat"] .ub-card__media { border-radius: var(--ub-r-md); }
/* wishlist_on_hover: false يُظهر زرّ المفضّلة دائمًا */
body[data-wishlist-on-hover="false"] .ub-quick { opacity: 1; visibility: visible; transform: none; }
/* books_per_row: 4 أو 5 أو 6 في الشاشات الواسعة */
@media (min-width: 1200px) {
  body[data-books-per-row="4"] .ub-section .ub-grid:not(.ub-grid--6) { --ub-cols: 4; }
  body[data-books-per-row="6"] .ub-section .ub-grid:not(.ub-grid--6) { --ub-cols: 6; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* خيارات الإظهار (الملحق، البند 3) */
body[data-show-trust-bar="false"] .ub-trust { display: none; }

/* ==================================================================
   ميزات المنصّة المعتمدة: الأسئلة الشائعة
   ================================================================== */
.ub-faq { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 40px; align-items: start; }
.ub-faq__head h2 { font-size: var(--ub-fs-xl); font-weight: 700; }
.ub-faq__head p { margin: 10px 0 18px; color: var(--ub-muted); font-size: var(--ub-fs-sm); }
.ub-faq__list { display: grid; gap: 10px; }
.ub-faq__item { background: var(--store-bg); border: 1px solid var(--ub-line); border-radius: var(--ub-r-md); }
.ub-faq__item summary {
  position: relative; display: block; padding: 16px 20px; padding-inline-end: 56px;
  font-size: var(--ub-fs-md); font-weight: 700; cursor: pointer; list-style: none;
}
.ub-faq__item summary::-webkit-details-marker { display: none; }
.ub-faq__item summary::after {
  content: "+"; position: absolute; inset-inline-end: 16px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; display: grid; place-items: center; border-radius: var(--ub-r-full);
  background: var(--ub-surface-2); color: var(--store-text); font-size: 18px; line-height: 1;
}
.ub-faq__item[open] { border-color: color-mix(in srgb, var(--store-primary) 40%, var(--ub-line)); }
.ub-faq__item[open] summary { color: var(--store-primary); }
.ub-faq__item[open] summary::after { content: "−"; background: var(--store-primary); color: var(--ub-on-dark); }
.ub-faq__answer { padding: 0 20px 16px; color: var(--ub-muted); font-size: var(--ub-fs-sm); line-height: 1.85; }
@media (max-width: 1023px) {
  .ub-faq { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}

/* ==================================================================
   الإصدار الثاني: الصفوف الأفقيّة، والعروض بعدّاد، والكتاب المميّز،
   وآراء القرّاء، والمدوّنة
   ================================================================== */

/* ---------- الصفّ الأفقيّ (يُمرَّر باللمس، وبسهمين في «وصل حديثًا») ---------- */
.ub-rail {
  --ub-rail-gap: 24px;
  display: grid; grid-auto-flow: column; gap: var(--ub-rail-gap);
  grid-auto-columns: calc((100% - (var(--ub-rail-cols, 5) - 1) * var(--ub-rail-gap)) / var(--ub-rail-cols, 5));
  overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; overscroll-behavior-x: contain;
  padding-block: 4px 8px; margin-block: -4px -8px;
}
.ub-rail::-webkit-scrollbar { display: none; }
.ub-rail > * { scroll-snap-align: start; }
.ub-rail-nav { width: 40px; height: 40px; background: var(--store-bg); border: 1px solid var(--ub-line); }
.ub-rail-nav:hover { background: var(--store-primary); color: var(--ub-on-dark); border-color: var(--store-primary); }
.ub-rail-nav[disabled] { opacity: .45; cursor: default; background: var(--store-bg); color: var(--store-text); border-color: var(--ub-line); }
@media (min-width: 1200px) {
  body[data-books-per-row="4"] .ub-rail--carousel { --ub-rail-cols: 4; }
  body[data-books-per-row="6"] .ub-rail--carousel { --ub-rail-cols: 6; }
}

/* ---------- العروض بعدّادٍ واحد (offer.ends_at) ---------- */
.ub-deal {
  display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 28px; align-items: center;
  padding: 32px; background: var(--store-primary); color: var(--ub-on-dark);
}
.ub-deal__intro { display: grid; justify-items: start; gap: 12px; min-width: 0; }
.ub-deal__kicker { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: var(--ub-r-full); background: var(--store-primary-dark); font-size: var(--ub-fs-xs); font-weight: 700; }
.ub-deal h2 { font-size: 2rem; font-weight: 800; line-height: 1.25; }
.ub-deal__sub { font-size: var(--ub-fs-sm); }
.ub-countdown { display: flex; gap: 8px; margin-block: 2px 6px; }
.ub-countdown[hidden] { display: none; }
.ub-countdown__unit { display: grid; justify-items: center; min-width: 54px; padding: 8px 4px 6px; border-radius: var(--ub-r-md); background: var(--store-bg); }
.ub-countdown__unit b { font-size: 1.375rem; font-weight: 800; line-height: 1.1; color: var(--store-primary-dark); font-variant-numeric: tabular-nums; }
.ub-countdown__unit small { font-size: .75rem; color: var(--ub-muted); }
.ub-deal__items { --ub-rail-cols: 4; --ub-rail-gap: 16px; }
.ub-deal .ub-card { border-color: transparent; color: var(--store-text); }

/* ---------- الكتاب المميّز: غلافٌ كبير في لوح «ملفّ» رمليّ ---------- */
.ub-feature {
  display: grid; grid-template-columns: 250px minmax(0, 1fr); grid-template-areas: "cover head" "cover body";
  column-gap: 48px; row-gap: 14px; align-items: center;
  padding: 40px 48px; background: var(--ub-tint-sand); color: var(--store-text);
}
.ub-feature__items, .ub-feature__book { display: contents; }
.ub-feature__head { grid-area: head; align-self: end; display: grid; gap: 2px; }
.ub-feature__kicker { display: inline-flex; align-items: center; gap: 6px; font-size: var(--ub-fs-sm); font-weight: 700; color: var(--store-primary-dark); }
.ub-feature__head h2 { font-size: var(--ub-fs-lg); font-weight: 700; color: var(--ub-muted); }
.ub-feature__cover { grid-area: cover; width: 250px; box-shadow: 0 30px 50px -20px rgba(17, 22, 30, .5); }
.ub-feature__cover .ub-type { width: 42px; height: 42px; bottom: 10px; inset-inline-start: 10px; }
.ub-feature__body { grid-area: body; align-self: start; display: grid; justify-items: start; gap: 8px; min-width: 0; }
.ub-feature__desc { margin-top: 4px; }
.ub-feature__title { font-size: 2.25rem; font-weight: 800; line-height: 1.25; }
.ub-feature__title a:hover { color: var(--store-primary-dark); }
.ub-feature__by { color: var(--ub-muted); }
.ub-feature__by a { color: var(--store-primary-dark); font-weight: 700; }
.ub-feature__desc { display: grid; gap: 8px; color: var(--ub-muted); max-width: 80ch; }
.ub-feature__buy { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 6px; }
.ub-feature__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.ub-feature__meta .ub-price__now { font-size: var(--ub-fs-xl); }
.ub-feature__wish { width: 46px; height: 46px; background: var(--store-bg); }
.ub-feature__wish[aria-pressed="true"] { color: var(--ub-danger); }
.ub-feature__more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--store-primary-dark); }
.ub-feature__more:hover { text-decoration: underline; }

/* ---------- آراء القرّاء (reviews.items) ---------- */
.ub-rvs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ub-rv {
  margin: 0; display: grid; grid-template-rows: auto 1fr auto; gap: 14px;
  padding: 24px; background: var(--store-bg); border: 1px solid var(--ub-line); border-radius: var(--ub-r-lg); border-start-end-radius: var(--ub-r-xs);
}
.ub-rv blockquote { margin: 0; font-size: var(--ub-fs-md); line-height: 1.85; }
.ub-rv figcaption { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--ub-line); }
.ub-rv__avatar { flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--store-primary); color: var(--ub-on-dark); font-weight: 800; }
.ub-rv b { display: block; font-weight: 700; font-size: var(--ub-fs-sm); }
.ub-rv small { display: block; font-size: var(--ub-fs-xs); color: var(--ub-muted); }
body[data-show-reviews="false"] .ub-reviews-home { display: none; }

/* ---------- المدوّنة (latest_posts، وصفحتا blog وpost) ---------- */
.ub-posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ub-post {
  display: grid; grid-template-rows: auto 1fr; min-width: 0; overflow: hidden;
  background: var(--store-bg); border: 1px solid var(--ub-line); border-radius: var(--ub-r-md);
  transition: box-shadow .25s, border-color .25s;
}
.ub-post:hover { box-shadow: var(--ub-shadow); border-color: transparent; }
.ub-post__media img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s; }
.ub-post:hover .ub-post__media img { transform: scale(1.03); }
.ub-post__media { overflow: hidden; }
.ub-post__body { display: grid; align-content: start; gap: 6px; padding: 16px 20px 22px; }
.ub-post__date { font-size: var(--ub-fs-xs); font-weight: 700; color: var(--store-primary-dark); }
.ub-post__title { font-size: var(--ub-fs-lg); font-weight: 700; line-height: 1.45; }
.ub-post__title a:hover { color: var(--store-primary); }
.ub-post__excerpt { color: var(--ub-muted); font-size: var(--ub-fs-sm); }

@media (max-width: 1199px) {
  .ub-rail { --ub-rail-cols: 4; }
  /* صفوف الكتب في الأقسام تصير صفوفًا أفقيّة، فلا يبقى صفٌّ نصف فارغ */
  .ub-section .ub-grid {
    --ub-rail-cols: 4; grid-template-columns: none; grid-auto-flow: column;
    grid-auto-columns: calc((100% - (var(--ub-rail-cols) - 1) * 24px) / var(--ub-rail-cols));
    overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; overscroll-behavior-x: contain;
    padding-block: 4px 8px; margin-block: -4px -8px;
  }
  .ub-section .ub-grid::-webkit-scrollbar { display: none; }
  .ub-section .ub-grid > * { scroll-snap-align: start; }
  .ub-deal { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .ub-deal__intro { grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: 24px; }
  .ub-deal__intro > :not(.ub-countdown) { grid-column: 1; }
  .ub-deal__intro .ub-countdown { grid-column: 2; grid-row: 1 / span 4; }
  .ub-deal__items { --ub-rail-cols: 3.6; }
  .ub-feature { grid-template-columns: 200px minmax(0, 1fr); column-gap: 32px; padding: 32px; }
  .ub-feature__cover { width: 200px; }
}
@media (max-width: 1023px) {
  .ub-rail, .ub-section .ub-grid { --ub-rail-cols: 3.3; }
  .ub-deal__items { --ub-rail-cols: 3.2; }
  .ub-rvs { grid-template-columns: minmax(0, 1fr); }
  .ub-posts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ub-posts .ub-post:nth-child(3) { display: none; }
}
@media (max-width: 767px) {
  .ub-rail, .ub-section .ub-grid { --ub-rail-cols: 1.85; --ub-rail-gap: 12px; }
  .ub-section .ub-grid { grid-auto-columns: calc((100% - .85 * 12px) / 1.85); gap: 12px; }
  .ub-card .ub-price__now { font-size: var(--ub-fs-md); }
  .ub-list .ub-hcard:nth-child(n+5) { display: none; }
  .ub-rail-nav { display: none; }
  .ub-deal { padding: 22px 16px; margin-inline: -4px; }
  .ub-deal__intro { grid-template-columns: minmax(0, 1fr); }
  .ub-deal__intro .ub-countdown { grid-column: 1; grid-row: auto; }
  .ub-deal h2 { font-size: 1.5rem; }
  .ub-deal__items { --ub-rail-cols: 1.75; --ub-rail-gap: 12px; }
  .ub-countdown__unit { min-width: 50px; }
  .ub-feature { grid-template-columns: 112px minmax(0, 1fr); grid-template-areas: "cover head" "body body"; column-gap: 18px; padding: 24px 18px; }
  .ub-feature__cover { width: 112px; }
  .ub-feature__cover .ub-type { width: 30px; height: 30px; bottom: 6px; inset-inline-start: 6px; }
  .ub-feature__cover .ub-type .ub-icon { width: 15px; height: 15px; }
  .ub-feature__head { align-self: center; }
  .ub-feature__title { font-size: 1.5rem; }
  .ub-rvs, .ub-posts {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 84%; gap: 12px;
    overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  }
  .ub-rvs > *, .ub-posts > * { scroll-snap-align: start; }
  .ub-posts .ub-post:nth-child(3) { display: grid; }
  .ub-rv { padding: 18px; }
}


/* صفحة المدوّنة: أوّل مقالٍ عريض، وتحته ثلاثة */
.ub-posts--blog .ub-post:first-child { grid-column: 1 / -1; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); grid-template-rows: none; }
.ub-posts--blog .ub-post:first-child .ub-post__media img { height: 100%; }
.ub-posts--blog .ub-post:first-child .ub-post__body { align-content: center; gap: 10px; padding: 32px 36px; }
.ub-posts--blog .ub-post:first-child .ub-post__title { font-size: var(--ub-fs-xl); }
.ub-blog .ub-pager { margin-top: 40px; }

/* صفحة المقال */
.ub-article__head { display: grid; justify-items: start; gap: 8px; max-width: 860px; padding-block: 28px 24px; }
.ub-article__head h1 { font-size: var(--ub-fs-2xl); font-weight: 800; line-height: 1.3; }
.ub-article__lead { color: var(--ub-muted); font-size: var(--ub-fs-lg); }
.ub-article__img { width: 100%; max-width: 860px; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--ub-r-lg); }
.ub-article__body { max-width: 72ch; padding-block: 28px 8px; gap: 16px; }
.ub-article__body p { font-size: 1.0625rem; line-height: 1.95; color: var(--store-text); }
.ub-article__body h2 { font-size: var(--ub-fs-lg); font-weight: 800; margin-top: 10px; }
.ub-article__body blockquote { margin: 6px 0; padding: 14px 20px; border-inline-start: 4px solid var(--store-primary); background: var(--ub-surface); border-radius: var(--ub-r-sm); font-size: var(--ub-fs-lg); font-weight: 700; }
.ub-article__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding-block: 24px 56px; max-width: 860px; }
@media (max-width: 1023px) {
  .ub-posts--blog .ub-post:first-child { grid-template-columns: minmax(0, 1fr); }
  .ub-posts--blog .ub-post:first-child .ub-post__body { padding: 20px 22px 24px; }
  .ub-posts--blog .ub-post:nth-child(3) { display: grid; }
  .ub-posts--blog { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ub-posts--blog .ub-post:nth-child(4) { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  .ub-posts.ub-posts--blog { grid-template-columns: minmax(0, 1fr); grid-auto-flow: row; grid-auto-columns: auto; overflow: visible; }
  .ub-posts--blog .ub-post:nth-child(4) { grid-column: auto; }
  .ub-article__head h1 { font-size: var(--ub-fs-xl); }
  .ub-article__lead { font-size: var(--ub-fs-md); }
}

/* تبويبات صفّ الكتب (القاعدة 16): يختفي الشريط إن لم يختر الناشر غير مصدرٍ واحد */
[data-slot="section.tabs"]:not(:has([data-repeat="tab"] ~ [role="tab"])) { display: none; }

/* شريط الشحن المجّانيّ: يختفي موضعه بلا فراغ حين يُخفيه theme.js */
[data-slot="cart.free_shipping_left"][hidden] { display: none !important; }

/* نصّ الرأي: أربعة أسطر على الأكثر، والنصّ الكامل في title (الملحق، البند 5) */
[data-slot="review.text"] { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4; line-clamp: 4; overflow: hidden; }