/* ==========================================================================
   رفوف — نظام الواجهة
   الفكرة: رفوف مكتبة هادئة؛ أغلفة الكتب هي العنصر الملوّن الوحيد،
   وكل ما حولها محايد ومنضبط على شبكة 4px.
   ========================================================================== */

:root {
  /* الألوان */
  --brand: #245d4e;
  --brand-ink: #1a4439;
  --brand-soft: #e3eeea;
  --brass: #a87b2f;
  --bg: #f5f7f6;
  --surface: #ffffff;
  --surface-2: #eef2f0;
  --ink: #18221f;
  --ink-2: #4a5753;
  --ink-3: #75817d;
  --line: #dbe2df;
  --line-strong: #c3ccc8;
  --danger: #b3261e;
  --danger-soft: #fbeaea;
  --success: #1e7a4c;
  --success-soft: #e5f4ec;
  --warn-soft: #fbf3e2;
  --warn-ink: #7a5512;
  --focus: rgba(36, 93, 78, .28);
  --shadow-sm: 0 1px 2px rgba(20, 40, 34, .06);
  --shadow-md: 0 6px 20px -8px rgba(20, 40, 34, .18);
  --overlay: rgba(12, 20, 18, .5);

  /* الخطوط */
  --font-body: "Tajawal", "Segoe UI", Tahoma, system-ui, sans-serif;
  --font-display: "Tajawal", "Segoe UI", Tahoma, system-ui, sans-serif;

  /* مقياس الخط */
  --fs-xs: .75rem;
  --fs-sm: .875rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: clamp(1.875rem, 1.2rem + 2.6vw, 2.75rem);

  /* المسافات (شبكة 4px) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px; --s-16: 64px;

  /* المقاسات */
  --container: 1200px;
  --gutter: 16px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --control-h: 48px;
  --control-h-sm: 40px;
  --header-h: 68px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --brand: #5fb39b; --brand-ink: #86cbb6; --brand-soft: #1b302a; --brass: #d0a75e;
    --bg: #0f1513; --surface: #161e1b; --surface-2: #1c2622;
    --ink: #e8eeeb; --ink-2: #b4c0bb; --ink-3: #85928d;
    --line: #26332e; --line-strong: #34443e;
    --danger: #ef8a83; --danger-soft: #3a1c1a; --success: #6cd19d; --success-soft: #16301f;
    --warn-soft: #33290f; --warn-ink: #e6c27a;
    --focus: rgba(95, 179, 155, .35);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow-md: 0 8px 24px -10px rgba(0, 0, 0, .6);
    --overlay: rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --brand: #5fb39b; --brand-ink: #86cbb6; --brand-soft: #1b302a; --brass: #d0a75e;
  --bg: #0f1513; --surface: #161e1b; --surface-2: #1c2622;
  --ink: #e8eeeb; --ink-2: #b4c0bb; --ink-3: #85928d;
  --line: #26332e; --line-strong: #34443e;
  --danger: #ef8a83; --danger-soft: #3a1c1a; --success: #6cd19d; --success-soft: #16301f;
  --warn-soft: #33290f; --warn-ink: #e6c27a;
  --focus: rgba(95, 179, 155, .35);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow-md: 0 8px 24px -10px rgba(0, 0, 0, .6);
  --overlay: rgba(0, 0, 0, .6);
  color-scheme: dark;
}

/* ---------- الأساس ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.35; text-wrap: balance; font-weight: 700; }
.hero__title, .book-title, .page-head__title, .section-head__title, .feature__title, .auth__title, .error-page__code { font-weight: 800; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
.num { font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; inset-inline-start: 16px; top: -60px; z-index: 100;
  background: var(--brand); color: #fff; padding: 8px 14px; border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; color: #fff; }

.icon { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none;
  stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 24px; height: 24px; }

/* ---------- الحاوية والأقسام ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}
@media (min-width: 768px) { :root { --gutter: 24px; } }
.main { min-height: 60vh; }
.section { padding-block: var(--s-8); }
.section--tight { padding-block: var(--s-5); }
.section + .section { padding-top: 0; }
@media (min-width: 768px) { .section { padding-block: var(--s-10); } }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--s-4); margin-bottom: var(--s-5); flex-wrap: wrap;
}
.section-head__text { display: grid; gap: var(--s-2); min-width: 0; }
.section-head__title { font-size: var(--fs-xl); font-family: var(--font-display); line-height: 1.3; }
.section-head__sub { display: block; color: var(--ink-3); font-size: var(--fs-sm); line-height: 1.6; }
.link-more {
  display: inline-flex; align-items: center; gap: var(--s-1);
  font-size: var(--fs-sm); font-weight: 700; color: var(--brand); white-space: nowrap;
}
.link-more:hover { color: var(--brand-ink); }
.link-more .icon { transition: transform .15s; }
.link-more:hover .icon { transform: translateX(-3px); }

/* ---------- الأزرار ---------- */
.btn {
  --btn-bg: var(--surface); --btn-fg: var(--ink); --btn-bd: var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  height: var(--control-h); padding-inline: var(--s-5);
  border: 1px solid var(--btn-bd); border-radius: var(--radius);
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 700; font-size: var(--fs-base); line-height: 1; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
}
.btn:hover { --btn-bd: var(--ink-3); color: var(--btn-fg); }
.btn--primary { --btn-bg: var(--brand); --btn-fg: #fff; --btn-bd: var(--brand); }
.btn--primary:hover { --btn-bg: var(--brand-ink); --btn-bd: var(--brand-ink); --btn-fg: #fff; }
:root[data-theme="dark"] .btn--primary { --btn-fg: #0f1513; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn--primary { --btn-fg: #0f1513; } }
.btn--soft { --btn-bg: var(--brand-soft); --btn-fg: var(--brand-ink); --btn-bd: transparent; }
.btn--soft:hover { --btn-bd: var(--brand); }
.btn--ghost { --btn-bg: transparent; --btn-bd: transparent; }
.btn--ghost:hover { --btn-bg: var(--surface-2); --btn-bd: transparent; }
.btn--sm { height: var(--control-h-sm); padding-inline: var(--s-4); font-size: var(--fs-sm); }
.btn--block { width: 100%; }
.btn--icon { width: var(--control-h); padding: 0; }
.btn--icon.btn--sm { width: var(--control-h-sm); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; pointer-events: none; }

/* زر الحفظ (القلب) */
.fav-btn {
  display: inline-grid; place-items: center; width: 36px; height: 36px;
  border-radius: 999px; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink-2); box-shadow: var(--shadow-sm); transition: color .15s, transform .15s;
}
.fav-btn:hover { color: var(--danger); }
.fav-btn[aria-pressed="true"] { color: var(--danger); }
.fav-btn[aria-pressed="true"] .icon { fill: currentColor; }
.fav-full[aria-pressed="true"] .icon { fill: currentColor; color: var(--danger); }
.fav-btn:active { transform: scale(.92); }

/* ---------- الشارات ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; height: 24px; padding-inline: 8px;
  border-radius: 999px; font-size: var(--fs-xs); font-weight: 700; line-height: 1;
  background: var(--surface-2); color: var(--ink-2); white-space: nowrap;
}
.badge--brand { background: var(--brand-soft); color: var(--brand-ink); }
.badge--warn { background: var(--warn-soft); color: var(--warn-ink); }
.badge--format { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; letter-spacing: .04em; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding-inline: 14px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  font-size: var(--fs-sm); color: var(--ink-2); white-space: nowrap;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip[aria-current="true"] { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- الشريط العلوي والهيدر ---------- */
.notice-bar {
  background: var(--brand-ink); color: #e6f0ec; font-size: var(--fs-xs);
  text-align: center; padding-block: 6px;
}
:root[data-theme="dark"] .notice-bar { background: var(--surface-2); color: var(--ink-2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .notice-bar { background: var(--surface-2); color: var(--ink-2); } }

.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: var(--s-4); height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: var(--s-3); flex: none; }
.brand:hover { color: inherit; }
.brand__mark {
  width: 40px; height: 40px; border-radius: var(--radius); background: var(--brand);
  display: grid; place-items: center; color: #fff;
}
.brand__mark svg { width: 24px; height: 24px; }
.brand__text { display: grid; gap: 4px; line-height: 1.2; }
.brand__name { display: block; font-family: var(--font-display); font-weight: 800; font-size: 1.375rem; }
.brand__tag { display: block; font-size: var(--fs-xs); color: var(--ink-3); }

.main-nav { display: none; align-items: center; gap: 2px; margin-inline-start: var(--s-4); }
.main-nav a {
  padding: 8px 12px; border-radius: var(--radius-sm); font-size: var(--fs-sm);
  font-weight: 500; color: var(--ink-2);
}
.main-nav a:hover { background: var(--surface-2); color: var(--ink); }
.main-nav a[aria-current="page"] { color: var(--brand); background: var(--brand-soft); }
.header-actions { display: flex; align-items: center; gap: var(--s-2); margin-inline-start: auto; }
.header-actions .hide-sm { display: none; }
@media (min-width: 640px) { .header-actions .hide-sm { display: inline-flex; } }
@media (min-width: 1180px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
}

/* بحث الهيدر المنسدل */
.header-search { border-top: 1px solid var(--line); padding-block: var(--s-3); background: var(--surface); }

/* قائمة الجوال */
.drawer { position: fixed; inset: 0; z-index: 60; display: flex; }
.drawer__backdrop { position: absolute; inset: 0; background: var(--overlay); }
.drawer__panel {
  position: relative; margin-inline-start: auto; width: min(86vw, 340px); height: 100%;
  background: var(--surface); display: flex; flex-direction: column;
  padding: calc(var(--s-4) + env(safe-area-inset-top, 0px)) var(--s-4) calc(var(--s-4) + env(safe-area-inset-bottom, 0px));
  box-shadow: var(--shadow-md); animation: drawer-in .2s ease-out;
}
@keyframes drawer-in { from { transform: translateX(100%); } to { transform: none; } }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--s-4); }
.drawer__nav { display: grid; gap: 2px; }
.drawer__nav a {
  display: flex; align-items: center; gap: var(--s-3); padding: 12px; border-radius: var(--radius);
  font-weight: 500; color: var(--ink-2);
}
.drawer__nav a:hover, .drawer__nav a[aria-current="page"] { background: var(--brand-soft); color: var(--brand-ink); }
.drawer__foot { margin-top: auto; display: grid; gap: var(--s-2); padding-top: var(--s-4); border-top: 1px solid var(--line); }
body.is-locked { overflow: hidden; }

/* قائمة المستخدم */
.menu { position: relative; }
.menu__list {
  position: absolute; inset-inline-end: 0; top: calc(100% + 8px); min-width: 220px; z-index: 50;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 6px;
}
.menu__list a, .menu__list button {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px;
  border-radius: var(--radius-sm); border: 0; background: none; font-size: var(--fs-sm); text-align: start;
}
.menu__list a:hover, .menu__list button:hover { background: var(--surface-2); color: var(--ink); }
.menu__sep { height: 1px; background: var(--line); margin: 6px 0; }
.avatar {
  width: 36px; height: 36px; border-radius: 999px; display: inline-grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-ink); font-weight: 700; font-size: var(--fs-sm); flex: none;
}

/* ---------- النماذج ---------- */
.field { display: grid; gap: 6px; min-width: 0; }
.field__label { font-size: var(--fs-sm); font-weight: 700; color: var(--ink); }
.field__label .req { color: var(--danger); margin-inline-start: 2px; }
.field__hint { font-size: var(--fs-xs); color: var(--ink-3); }
.field__error { font-size: var(--fs-xs); color: var(--danger); display: flex; align-items: center; gap: 4px; }
.control { position: relative; display: flex; align-items: center; }
.control > .icon {
  position: absolute; inset-inline-start: 14px; color: var(--ink-3); pointer-events: none;
}
.input, .select, .textarea {
  width: 100%; height: var(--control-h); padding-inline: 14px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); font-size: var(--fs-base);
  transition: border-color .15s, box-shadow .15s; appearance: none; -webkit-appearance: none;
}
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.control > .icon ~ .input, .control > .icon ~ .select { padding-inline-start: 44px; }
.control--action .input { padding-inline-end: 48px; }
.control > .icon ~ .input[dir="ltr"] { padding-inline: 14px 44px; }
.control__action {
  position: absolute; inset-inline-end: 4px; width: 40px; height: 40px; border: 0; border-radius: var(--radius-sm);
  background: none; color: var(--ink-3); display: grid; place-items: center;
}
.control__action:hover { color: var(--ink); background: var(--surface-2); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--ink-3); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--focus); }
.is-invalid .input, .is-invalid .select, .is-invalid .textarea { border-color: var(--danger); }
.select {
  padding-inline-end: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2375817d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: 18px; background-position: left 14px center;
}
.select--sm, .input--sm { height: var(--control-h-sm); font-size: var(--fs-sm); }
.textarea { height: auto; min-height: 140px; padding-block: 12px; line-height: 1.7; resize: vertical; }
.check { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: var(--fs-sm); color: var(--ink-2); }
.check input {
  appearance: none; -webkit-appearance: none; width: 20px; height: 20px; margin: 0; flex: none;
  border: 1.5px solid var(--line-strong); border-radius: 5px; background: var(--surface);
  display: grid; place-items: center; cursor: pointer;
}
.check input:checked { background: var(--brand); border-color: var(--brand); }
.check input:checked::after {
  content: ""; width: 10px; height: 6px; border: 2px solid #fff; border-top: 0; border-right: 0;
  transform: rotate(-45deg) translate(1px, -1px);
}
.form-stack { display: grid; gap: var(--s-5); }
.form-row { display: grid; gap: var(--s-4); }
@media (min-width: 640px) { .form-row--2 { grid-template-columns: 1fr 1fr; } }

/* شريط البحث الكبير */
.searchbar {
  display: flex; align-items: center; gap: var(--s-2); padding: 6px;
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: var(--shadow-md); transition: border-color .15s, box-shadow .15s;
}
.searchbar:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px var(--focus), var(--shadow-md); }
.searchbar > .icon { margin-inline-start: 10px; color: var(--ink-3); }
.searchbar__input {
  flex: 1 1 0; width: 100%; min-width: 0; height: 48px; border: 0; background: none; font-size: var(--fs-md); padding: 0 4px;
}
.searchbar__input:focus { outline: none; }
.searchbar .btn { height: 48px; border-radius: 10px; }
@media (max-width: 479px) {
  .searchbar .btn__label { display: none; }
  .searchbar .btn { width: 48px; padding: 0; }
}

/* ---------- التنبيهات ---------- */
.alert {
  display: flex; gap: var(--s-3); align-items: flex-start; padding: 12px 14px;
  border-radius: var(--radius); font-size: var(--fs-sm); border: 1px solid transparent;
}
.alert .icon { margin-top: 2px; }
.alert--success { background: var(--success-soft); color: var(--success); }
.alert--error { background: var(--danger-soft); color: var(--danger); }
.alert--info { background: var(--brand-soft); color: var(--brand-ink); }
.alert--warn { background: var(--warn-soft); color: var(--warn-ink); }
.flash-stack { display: grid; gap: var(--s-2); padding-top: var(--s-4); }

/* ---------- الواجهة الرئيسية ---------- */
.hero { padding-block: var(--s-6) var(--s-8); border-bottom: 1px solid var(--line); background: var(--surface); }
.hero__grid { display: grid; gap: var(--s-6); align-items: center; }
.hero__grid > * { min-width: 0; }
@media (min-width: 960px) {
  .hero { padding-block: var(--s-8) var(--s-10); }
  .hero__grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: var(--s-10); }
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-sm); font-weight: 700;
  color: var(--brass); margin-bottom: var(--s-2);
}
.hero__eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; border-radius: 2px; }
.hero__title { font-family: var(--font-display); font-size: clamp(1.625rem, 1.2rem + 1.6vw, 2.25rem); line-height: 1.35; display: grid; gap: 2px; }
.hero__line { display: block; }
.hero__title em { font-style: normal; color: var(--brand); }
.hero__lead { margin-top: var(--s-3); line-height: 1.7; color: var(--ink-2); font-size: var(--fs-md); max-width: 52ch; }
.hero__search { margin-top: var(--s-5); max-width: 600px; }
.hero__chips { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-3); align-items: center; }
.hero__chips-label { font-size: var(--fs-sm); color: var(--ink-3); margin-inline-end: 4px; }
.hero__stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-6);
}
.stat { display: grid; gap: 4px; color: var(--ink-3); font-size: var(--fs-sm); line-height: 1.4; }
.stat + .stat { padding-inline-start: var(--s-6); border-inline-start: 1px solid var(--line); }
.stat strong { display: block; font-size: var(--fs-lg); font-weight: 800; line-height: 1.1; color: var(--ink); font-variant-numeric: tabular-nums; }

/* رفّ العرض في الهيرو */
.shelf { position: relative; padding: var(--s-4) var(--s-6) 0; max-width: 400px; margin-inline: auto; width: 100%; }
@media (max-width: 959px) {
  .shelf { display: none; }
  .hero__aside { justify-items: stretch; }
  .hero__stats { justify-content: flex-start; padding-top: var(--s-4); border-top: 1px dashed var(--line-strong); }
}
.hero__aside { display: grid; gap: var(--s-6); justify-items: center; min-width: 0; }
.shelf .cover__title { font-size: .8125rem; -webkit-line-clamp: 3; }
.shelf .cover__author, .shelf .cover__orn { display: none; }
.shelf__books { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); align-items: end; }
.shelf__books > :nth-child(2) { transform: translateY(-14px); }
.shelf__board {
  height: 14px; margin-inline: calc(var(--s-6) * -1); border-radius: 4px;
  background: linear-gradient(var(--line-strong), var(--line)); box-shadow: 0 10px 18px -10px rgba(0,0,0,.35);
}

/* ---------- غلاف الكتاب ---------- */
.cover {
  --cover-bg: #245d4e;
  position: relative; aspect-ratio: 3 / 4; width: 100%; max-width: 100%;
  border-radius: 4px 8px 8px 4px; overflow: hidden; background: var(--cover-bg);
  color: #f6efe0; box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(255,255,255,.04);
  display: block;
}
.cover img { width: 100%; height: 100%; object-fit: cover; }
.cover::before { /* كعب الكتاب على الجهة اليمنى (بداية القراءة العربية) */
  content: ""; position: absolute; inset-block: 0; right: 0; width: 9%;
  background: linear-gradient(90deg, rgba(0,0,0,.28), rgba(255,255,255,.08) 40%, rgba(0,0,0,.18));
  z-index: 1;
}
.cover__frame {
  position: absolute; inset: 8% 8% 8% 14%; border: 1px solid rgba(246, 239, 224, .35);
  border-radius: 2px; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 10%; padding: 10% 8%; text-align: center;
}
.cover__orn { width: 28%; height: auto; color: rgba(246, 239, 224, .7); }
.cover__title {
  font-family: var(--font-display); font-weight: 800; line-height: 1.4;
  font-size: clamp(.8rem, 4.2cqi, 1.25rem);
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.cover__author { font-size: clamp(.625rem, 2.6cqi, .8125rem); opacity: .75; }
.cover-wrap { container-type: inline-size; }
.cover--t0 { --cover-bg: #245d4e; }
.cover--t1 { --cover-bg: #6e2b2b; }
.cover--t2 { --cover-bg: #22395b; }
.cover--t3 { --cover-bg: #5f4220; }
.cover--t4 { --cover-bg: #1d5560; }
.cover--t5 { --cover-bg: #46304f; }

/* ---------- بطاقة الكتاب ---------- */
.book-grid {
  display: grid; gap: var(--s-6) var(--s-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 560px) { .book-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 860px) { .book-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-8) var(--s-6); } }
/* على الجوال: أقسام الرئيسية تتحول إلى شريط أفقي بدل صف ناقص */
@media (max-width: 559px) {
  .book-grid--rail {
    grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: 44%;
    overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain;
    margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); padding-bottom: var(--s-2);
    scrollbar-width: none;
  }
  .book-grid--rail::-webkit-scrollbar { display: none; }
  .book-grid--rail > * { scroll-snap-align: start; }
}
@media (min-width: 1120px) { .book-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); } }

.book-card { position: relative; display: flex; flex-direction: column; gap: var(--s-3); min-width: 0; }
.book-card__media { position: relative; }
.book-card__media .cover { transition: transform .2s ease, box-shadow .2s ease; }
.book-card:hover .cover { transform: translateY(-4px); }
.book-card__fav { position: absolute; top: 8px; inset-inline-start: 8px; z-index: 2; }
.book-card__flag { position: absolute; bottom: 8px; inset-inline-end: 8px; z-index: 2; }
.book-card__body { display: grid; gap: 4px; min-width: 0; }
.book-card__title {
  font-size: var(--fs-base); font-weight: 700; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.book-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; } /* البطاقة كاملة قابلة للنقر */
.book-card__author {
  position: relative; z-index: 2; font-size: var(--fs-sm); color: var(--ink-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; justify-self: start; max-width: 100%;
}
.book-card__meta { display: flex; align-items: center; gap: var(--s-2); margin-top: 6px; flex-wrap: wrap; }
.meta-item { display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-xs); color: var(--ink-3); }

/* ---------- التصنيفات ---------- */
.cat-grid { display: grid; gap: var(--s-3); grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px) { .cat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); } }
@media (min-width: 1024px) { .cat-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.cat-card {
  display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-4);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color .15s, transform .15s; min-width: 0;
}
.cat-card:hover { border-color: var(--brand); color: inherit; transform: translateY(-2px); }
.cat-card__icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
}
.cat-card__name { display: block; font-weight: 700; line-height: 1.4; }
.cat-card__text { display: grid; gap: 4px; }
.cat-card__count { display: block; font-size: var(--fs-xs); color: var(--ink-3); }
.cat-card__desc { font-size: var(--fs-sm); color: var(--ink-2); }
.cat-card--wide { flex-direction: row; align-items: flex-start; gap: var(--s-4); padding: var(--s-5); }
.cat-card--wide .cat-card__body { display: grid; gap: 4px; min-width: 0; }
.cat-grid--wide { grid-template-columns: 1fr; }
@media (min-width: 720px) { .cat-grid--wide { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1080px) { .cat-grid--wide { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- المؤلفون ---------- */
.author-grid { display: grid; gap: var(--s-3); grid-template-columns: 1fr; }
@media (min-width: 560px) { .author-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .author-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); } }
.author-card {
  display: flex; align-items: center; gap: var(--s-4); padding: var(--s-4);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color .15s; min-width: 0;
}
.author-card:hover { border-color: var(--brand); color: inherit; }
.author-card__avatar {
  width: 52px; height: 52px; border-radius: 999px; flex: none; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-ink); font-family: var(--font-display);
  font-weight: 700; font-size: var(--fs-lg); overflow: hidden;
}
.author-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-card__body { display: grid; gap: 2px; min-width: 0; }
.author-card__name { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.author-card__count { font-size: var(--fs-xs); color: var(--ink-3); }
.author-card > .icon { margin-inline-start: auto; color: var(--ink-3); }

/* ---------- القسم المختار ---------- */
.feature {
  display: grid; gap: var(--s-8); align-items: center; padding: var(--s-8);
  border-radius: var(--radius-lg); background: var(--brand-soft); overflow: hidden;
}
@media (min-width: 860px) { .feature { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); padding: var(--s-12); } }
.feature__eyebrow { font-size: var(--fs-sm); font-weight: 700; color: var(--brass); }
.feature__title { font-family: var(--font-display); font-size: var(--fs-xl); margin-block: var(--s-2) var(--s-3); }
.feature__text { color: var(--ink-2); margin-bottom: var(--s-6); max-width: 46ch; }
.feature__books { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); max-width: 420px; width: 100%; justify-self: center; }

/* ---------- دعوة للمكتبة ---------- */
.cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-6);
  padding: var(--s-8); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line);
}
.cta__body { display: flex; gap: var(--s-4); align-items: flex-start; min-width: 0; flex: 1 1 320px; }
.cta__icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--brand); color: #fff; flex: none; }
.cta__title { font-size: var(--fs-lg); font-family: var(--font-display); }
.cta__text { color: var(--ink-2); font-size: var(--fs-sm); margin-top: 4px; }

/* ---------- رأس الصفحات الداخلية ---------- */
.page-head { background: var(--surface); border-bottom: 1px solid var(--line); padding-block: var(--s-4) var(--s-5); }
.page-head__row { display: flex; align-items: center; gap: var(--s-3); margin-top: var(--s-3); }
.page-head__icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); flex: none; }
.page-head__icon .icon { width: 24px; height: 24px; }
.page-head__text { display: grid; gap: var(--s-1); min-width: 0; }
.page-head__title { font-family: var(--font-display); font-size: var(--fs-xl); }
@media (min-width: 768px) { .page-head__title { font-size: 1.75rem; } }
.page-head__desc { display: block; color: var(--ink-2); max-width: 70ch; line-height: 1.7; font-size: var(--fs-sm); }
.page-head__meta { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-4); }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: var(--fs-sm); color: var(--ink-3); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .icon { width: 14px; height: 14px; }
.breadcrumb [aria-current="page"] { color: var(--ink-2); max-width: 32ch; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- شريط الفرز والتصفية ---------- */
.toolbar {
  display: grid; gap: var(--s-2); padding: var(--s-2); margin-bottom: var(--s-4);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  grid-template-columns: 1fr 1fr;
}
.toolbar__search { grid-column: 1 / -1; }
.toolbar .field__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (min-width: 860px) {
  .toolbar { grid-template-columns: minmax(0, 1fr) 190px 170px auto; align-items: center; }
  .toolbar__search { grid-column: auto; }
}
.toolbar__submit { grid-column: 1 / -1; }
@media (min-width: 860px) { .toolbar__submit { grid-column: auto; } }
.results-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-3); flex-wrap: wrap; }
.results-bar__count { font-size: var(--fs-sm); color: var(--ink-3); }
.results-bar__count strong { color: var(--ink); }
.active-filters { display: flex; flex-wrap: wrap; gap: var(--s-2); }

/* ---------- صفحة الكتاب ---------- */
.book-layout { display: grid; gap: var(--s-8); padding-block: var(--s-8) var(--s-12); }
@media (min-width: 900px) {
  .book-layout { grid-template-columns: 300px minmax(0, 1fr); gap: var(--s-12); padding-block: var(--s-12) var(--s-16); }
  .book-aside { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
}
.book-aside { display: grid; gap: var(--s-4); }
.book-aside .cover-wrap { max-width: 240px; margin-inline: auto; width: 100%; }
@media (min-width: 900px) { .book-aside .cover-wrap { max-width: none; } }
.book-aside__actions { display: grid; gap: var(--s-2); }
.book-aside__stats { display: flex; justify-content: center; gap: var(--s-6); font-size: var(--fs-sm); color: var(--ink-3); }

.book-main { display: grid; gap: var(--s-8); min-width: 0; align-content: start; }
.book-title { font-family: var(--font-display); font-size: var(--fs-2xl); line-height: 1.3; }
.book-byline { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-4); margin-top: var(--s-3); color: var(--ink-2); }
.book-byline a { color: var(--brand); font-weight: 700; }
.prose { color: var(--ink-2); line-height: 1.9; max-width: 70ch; }
.prose p + p { margin-top: 1em; }
.block-title { font-size: var(--fs-lg); font-weight: 700; margin-bottom: var(--s-4); display: flex; align-items: center; gap: var(--s-2); }

.spec {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 0; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden;
}
.spec__item { padding: var(--s-4); display: grid; gap: 2px; box-shadow: -1px 0 0 var(--line), 0 1px 0 var(--line); }
.spec__item dt { font-size: var(--fs-xs); color: var(--ink-3); }
.spec__item dd { margin: 0; font-weight: 700; }

.file-list { display: grid; gap: var(--s-3); }
.file-row {
  display: grid; gap: var(--s-3) var(--s-4); align-items: center; padding: var(--s-4);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  grid-template-columns: auto minmax(0, 1fr);
}
.file-row__type {
  width: 48px; height: 56px; border-radius: 6px; display: grid; place-items: center;
  background: var(--danger-soft); color: var(--danger); font-size: 11px; font-weight: 700;
  font-family: ui-monospace, Menlo, monospace; letter-spacing: .04em; position: relative;
}
.file-row__type--epub { background: var(--success-soft); color: var(--success); }
.file-row__type--app { background: var(--brand-soft); color: var(--brand-ink); }
.file-row__info { display: grid; gap: 4px; min-width: 0; }
.file-row__name { font-weight: 700; }
.file-row__meta { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: var(--fs-xs); color: var(--ink-3); }
.file-row__actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2); }
@media (min-width: 640px) {
  .file-row { grid-template-columns: auto minmax(0, 1fr) auto; }
  .file-row__actions { grid-column: auto; display: flex; }
}

/* ---------- الترقيم ---------- */
.pagination { display: flex; justify-content: center; margin-top: var(--s-10); }
.pagination__list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; justify-content: center; }
.pagination a, .pagination span.page {
  min-width: 40px; height: 40px; padding-inline: 10px; display: inline-grid; place-items: center;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
  font-size: var(--fs-sm); font-variant-numeric: tabular-nums;
}
.pagination a:hover { border-color: var(--brand); }
.pagination .page[aria-current="page"] { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }
.pagination .is-disabled { opacity: .45; }
.pagination .dots { border: 0; background: none; }
.pagination__summary { display: none; }
@media (max-width: 559px) {
  .pagination .page--num:not([aria-current]) { display: none; }
  .pagination .dots { display: none; }
}

/* ---------- الحالة الفارغة ---------- */
.empty {
  display: grid; justify-items: center; text-align: center; gap: var(--s-3);
  padding: var(--s-12) var(--s-6); border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
  background: var(--surface);
}
.empty__icon { width: 64px; height: 64px; border-radius: 999px; background: var(--surface-2); display: grid; place-items: center; color: var(--ink-3); }
.empty__icon .icon { width: 28px; height: 28px; }
.empty__title { font-size: var(--fs-md); font-weight: 700; }
.empty__text { color: var(--ink-3); font-size: var(--fs-sm); max-width: 42ch; }
.empty .btn { margin-top: var(--s-2); }

/* ---------- صفحات الدخول ---------- */
.auth { min-height: calc(100vh - var(--header-h) - 200px); display: grid; place-items: center; padding-block: var(--s-10) var(--s-16); }
.auth__card {
  width: 100%; max-width: 440px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: var(--s-8) var(--s-6); box-shadow: var(--shadow-md);
}
@media (min-width: 480px) { .auth__card { padding: var(--s-10); } }
.auth__head { text-align: center; margin-bottom: var(--s-8); display: grid; gap: var(--s-2); justify-items: center; }
.auth__title { font-family: var(--font-display); font-size: var(--fs-xl); }
.auth__sub { color: var(--ink-3); font-size: var(--fs-sm); }
.auth__row { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap; }
.auth__foot { text-align: center; margin-top: var(--s-6); padding-top: var(--s-6); border-top: 1px solid var(--line); font-size: var(--fs-sm); color: var(--ink-3); }
.text-link { color: var(--brand); font-weight: 700; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- مكتبتي ---------- */
.tabs {
  display: flex; gap: var(--s-1); border-bottom: 1px solid var(--line); margin-bottom: var(--s-6);
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 14px; white-space: nowrap;
  font-weight: 500; font-size: var(--fs-sm); color: var(--ink-3); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs a:hover { color: var(--ink); }
.tabs a[aria-current="page"] { color: var(--brand); border-color: var(--brand); font-weight: 700; }
.tabs .count { background: var(--surface-2); border-radius: 999px; padding: 0 8px; font-size: var(--fs-xs); line-height: 20px; }

.list-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.list-row { display: flex; align-items: center; gap: var(--s-4); padding: var(--s-4); }
.list-row + .list-row { border-top: 1px solid var(--line); }
.list-row__thumb { width: 44px; flex: none; }
.list-row__body { display: grid; gap: 2px; min-width: 0; flex: 1; }
.list-row__title { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-row__sub { font-size: var(--fs-xs); color: var(--ink-3); }
.list-row__note { font-size: var(--fs-sm); color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- التواصل ---------- */
.contact-layout { display: grid; gap: var(--s-8); padding-block: var(--s-8) var(--s-16); }
@media (min-width: 900px) { .contact-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: var(--s-12); } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--s-6); }
@media (min-width: 640px) { .panel { padding: var(--s-8); } }
.info-list { display: grid; gap: var(--s-5); }
.info-item { display: flex; gap: var(--s-3); align-items: flex-start; }
.info-item__icon { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: none; }
.info-item__label { font-size: var(--fs-xs); color: var(--ink-3); }
.info-item__value { font-weight: 700; word-break: break-word; }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding-block: var(--s-16); display: grid; justify-items: center; gap: var(--s-4); }
.error-page__code { font-family: var(--font-display); font-size: clamp(4rem, 3rem + 6vw, 7rem); line-height: 1; color: var(--brand); font-variant-numeric: tabular-nums; }
.error-page__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); justify-content: center; margin-top: var(--s-4); }

/* ---------- الفوتر ---------- */
.site-footer { margin-top: var(--s-12); background: var(--surface); border-top: 1px solid var(--line); }
.site-footer__grid { display: grid; gap: var(--s-8); padding-block: var(--s-12) var(--s-8); }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer__about { color: var(--ink-3); font-size: var(--fs-sm); margin-top: var(--s-4); max-width: 38ch; }
.site-footer__title { font-size: var(--fs-sm); font-weight: 700; margin-bottom: var(--s-3); }
.site-footer__links { display: grid; gap: var(--s-2); font-size: var(--fs-sm); color: var(--ink-2); }
.site-footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-2);
  padding-block: var(--s-5) calc(var(--s-5) + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); font-size: var(--fs-xs); color: var(--ink-3);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; z-index: 80; inset-inline: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  margin-inline: auto; max-width: 360px; padding: 12px 16px; border-radius: var(--radius);
  background: var(--ink); color: var(--bg); font-size: var(--fs-sm); box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 10px; animation: toast-in .2s ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- الأرشيف (الوصول السريع) ---------- */
.quick-grid { display: grid; gap: var(--s-3); grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 720px) { .quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1080px) { .quick-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.quick-tile {
  display: grid; gap: var(--s-3); padding: var(--s-4); min-width: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.quick-tile:hover { border-color: var(--brand); color: inherit; }
.quick-tile__label { display: block; font-weight: 700; line-height: 1.4; }
.quick-tile__hint { display: block; font-size: var(--fs-xs); color: var(--ink-3); margin-top: 4px; }

.archive-layout { display: grid; gap: var(--s-8); }
@media (min-width: 960px) {
  .archive-layout { grid-template-columns: 240px minmax(0, 1fr); gap: var(--s-10); }
  .archive-toc { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
}
.archive-toc { display: grid; gap: var(--s-4); }
.archive-toc__title { font-size: var(--fs-xs); font-weight: 700; color: var(--ink-3); letter-spacing: .02em; }
.archive-toc__list { display: grid; gap: 2px; }
.archive-toc__list a {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-2);
  padding: 8px 12px; border-radius: var(--radius-sm); font-size: var(--fs-sm); color: var(--ink-2);
}
.archive-toc__list a:hover { background: var(--surface-2); color: var(--ink); }
@media (max-width: 959px) {
  .archive-toc__list { display: flex; gap: var(--s-2); overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }
  .archive-toc__list::-webkit-scrollbar { display: none; }
  .archive-toc__list a { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; white-space: nowrap; }
}
.archive-groups { display: grid; gap: var(--s-4); min-width: 0; }
.archive-group {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--s-5); scroll-margin-top: calc(var(--header-h) + 16px);
}
@media (min-width: 640px) { .archive-group { padding: var(--s-6); } }
.archive-group__head { display: flex; align-items: center; gap: var(--s-4); }
.archive-group__text { display: grid; gap: 4px; min-width: 0; flex: 1; }
.archive-group__name { font-size: var(--fs-lg); font-weight: 800; line-height: 1.3; }
.archive-group__name a:hover { color: var(--brand); }
.archive-group__desc { font-size: var(--fs-sm); color: var(--ink-3); line-height: 1.7; }
.archive-group__subs {
  display: grid; gap: 2px var(--s-4); margin-top: var(--s-5); padding-top: var(--s-4);
  border-top: 1px dashed var(--line-strong); grid-template-columns: 1fr;
}
@media (min-width: 560px) { .archive-group__subs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1080px) { .archive-group__subs { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sub-link {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: var(--fs-sm); color: var(--ink-2); min-width: 0;
}
.sub-link:hover { background: var(--brand-soft); color: var(--brand-ink); }
.sub-link__name { display: flex; align-items: center; gap: 8px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sub-link__name::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--brass); flex: none; }
.sub-link__count { font-size: var(--fs-xs); color: var(--ink-3); font-variant-numeric: tabular-nums; flex: none; }
.archive-filter { max-width: 520px; }
.letter-index { display: grid; gap: var(--s-4); }
.letter-row { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: var(--s-4); align-items: start; }
.letter-row__letter {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-weight: 800; font-size: var(--fs-md);
}
.letter-row__names { display: flex; flex-wrap: wrap; gap: var(--s-2); padding-top: 4px; }

/* ---------- أدوات مساعدة ---------- */
.stack { display: grid; gap: var(--s-4); }
.muted { color: var(--ink-3); }
.mt-6 { margin-top: var(--s-6); }

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