/* ============================================================================
   components.css — site chrome (Phase 0)
   Header, primary nav + sections dropdown, search, theme toggle, mobile menu,
   mobile bottom nav, footer. Content components (cards, archives, hero, single)
   are added in later phases. Native nesting; grouped selectors; logical props.
   ========================================================================== */

/* Reusable buttons (site-wide) --------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: 46px;
  padding-inline: var(--space-5);
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 700;
  text-decoration: none;
  line-height: 1;
}
.btn--primary { background: var(--pill-bg); color: var(--pill-text); }
.btn--primary:hover { background: var(--pill-hover); color: var(--pill-text); }
.btn--ghost { background: transparent; color: var(--link); border-color: currentColor; }
.btn--ghost:hover { background: var(--subtle-bg); color: var(--link-hover); }

/* Shared control: pill-style icon/text buttons in the chrome ---------------- */
.chrome-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: 44px;              /* WCAG 2.2 target size */
  min-inline-size: 44px;
  justify-content: center;
  padding-inline: var(--space-3);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: var(--radius);
  background: transparent;
  color: var(--chrome-text);
  line-height: 1;
}
.chrome-btn:hover { background: rgba(255,255,255,.12); }
.chrome-btn svg { inline-size: 22px; block-size: 22px; }

/* ==========================================================================
   Site header
   ========================================================================== */
.site-header {
  background: var(--bg-chrome);
  color: var(--chrome-text);
  position: sticky;
  inset-block-start: 0;
  z-index: 40;
}
.site-header a { color: var(--chrome-text); text-decoration: none; }

.header-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-block-size: var(--header-h);
  padding-block: var(--space-2);
}

/* Brand ------------------------------------------------------------------- */
.brand { display: inline-flex; align-items: center; line-height: 1.15; }
.brand__name { font-size: 1.35rem; font-weight: 700; color: var(--_gold-400); }

/* Primary nav (desktop) --------------------------------------------------- */
.primary-nav { display: none; }        /* shown at ≥1024px */
/* Direct-child scoping: these must style ONLY the top bar, never the dropdown
   ul/links nested inside it (that leak was overriding the dropdown's display). */
.primary-nav > ul { display: flex; align-items: center; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.primary-nav > ul > li > a,
.nav-disclosure > button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-block-size: 44px;
  padding-inline: var(--space-3);
  border: 0;
  background: transparent;
  color: var(--chrome-text);
  border-radius: var(--radius);
  font-size: var(--fs-sm);          /* a touch smaller so labels don't wrap */
  white-space: nowrap;              /* keep each label on a single line */
}
.primary-nav > ul > li > a:hover,
.nav-disclosure > button:hover { background: rgba(255,255,255,.12); }
.primary-nav > ul > li > a[aria-current="page"] { background: rgba(255,255,255,.16); }

/* Sections dropdown ------------------------------------------------------- */
.nav-disclosure { position: relative; }
.nav-disclosure > button svg.chev { inline-size: 18px; block-size: 18px; transition: transform .18s; }
.nav-disclosure[data-open="true"] > button svg.chev { transform: rotate(180deg); }
.nav-menu {
  position: absolute;
  inset-block-start: calc(100% + 6px);
  inset-inline-end: 0;
  inline-size: max-content;
  max-inline-size: min(92vw, 560px);
  padding: var(--space-2);
  margin: 0;
  list-style: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}
.nav-disclosure[data-open="true"] .nav-menu { display: grid; }
.nav-menu a {
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-body);
}
.nav-menu a:hover { background: var(--bg-section); color: var(--link-hover); }
.nav-menu svg { inline-size: 20px; block-size: 20px; color: var(--link); flex: none; }

/* Header search (desktop) ------------------------------------------------- */
.header-search { display: none; margin-inline-start: auto; }
.header-search form { display: flex; align-items: center; gap: var(--space-2); }
.header-search input {
  min-block-size: 44px;
  inline-size: min(30ch, 30vw);
  padding-inline: var(--space-3);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: var(--radius);
  background: rgba(255,255,255,.10);
  color: var(--chrome-text);
}
.header-search input::placeholder { color: rgba(255,255,255,.7); }
.header-search .chrome-btn svg { display: none; }   /* desktop search button: text only */

/* Theme toggle ------------------------------------------------------------ */
.theme-toggle { flex: none; }
.theme-toggle .icon-auto,
.theme-toggle .icon-light,
.theme-toggle .icon-dark { display: none; }
:root .theme-toggle[data-theme="auto"]  .icon-auto,
:root .theme-toggle[data-theme="light"] .icon-light,
:root .theme-toggle[data-theme="dark"]  .icon-dark { display: block; }

/* Mobile-only header controls --------------------------------------------- */
.header-mobile-actions { display: flex; align-items: center; gap: var(--space-2); margin-inline-start: auto; }
.menu-toggle { display: inline-flex; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open  { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (min-width: 1024px) {
  .primary-nav, .header-search { display: block; }
  .header-mobile-actions .menu-toggle,
  .header-mobile-actions .search-link { display: none; }
  .header-mobile-actions { margin-inline-start: 0; }
}

/* ==========================================================================
   Mobile slide-in menu (the القائمة panel)
   ========================================================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}
.mobile-menu[data-open="true"] { display: block; }
.mobile-menu__scrim { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.mobile-menu__panel {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  inline-size: min(88vw, 360px);
  background: var(--bg-card);
  box-shadow: var(--shadow-pop);
  padding: var(--space-5) var(--edge) calc(var(--space-6) + env(safe-area-inset-bottom));
  overflow-y: auto;
}
.mobile-menu h2 { font-size: var(--fs-h3); margin-block-start: var(--space-5); }
.mobile-menu h2:first-child { margin-block-start: 0; }
.mobile-menu ul { list-style: none; margin: 0 0 var(--space-4); padding: 0; }
.mobile-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-2);
  min-block-size: 48px;
  border-block-end: 1px solid var(--border);
  color: var(--text-body);
  text-decoration: none;
}
.mobile-menu a:hover { color: var(--link-hover); }
.mobile-menu svg.sect { inline-size: 22px; block-size: 22px; color: var(--link); flex: none; }

/* ==========================================================================
   Mobile bottom nav (sticky). Hidden on desktop.
   ========================================================================== */
.bottom-nav {
  position: sticky;
  inset-block-end: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--bg-chrome);
  padding-block-end: env(safe-area-inset-bottom);
  border-block-start: 1px solid rgba(255,255,255,.12);
}
.bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding-block: var(--space-2);
  min-block-size: 56px;
  justify-content: center;
  color: rgba(255,255,255,.82);
  text-decoration: none;
  font-size: var(--fs-xs);
}
.bottom-nav a[aria-current="page"] { color: var(--_gold-400); }
.bottom-nav svg { inline-size: 24px; block-size: 24px; }

@media (min-width: 1024px) {
  .bottom-nav { display: none; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { margin-block-start: var(--space-8); }
.footer-ornament {
  /* Reserved slot for the arabesque pattern strip. Hidden until that asset is
     added, so it doesn't read as a stray background band. */
  display: none;
}
.footer-chrome {
  background: var(--bg-chrome);
  color: var(--chrome-text);
  padding-block: var(--space-6);
}
.footer-chrome a { color: var(--chrome-text); }
/* mobile-first: compact, centered stack */
.footer-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
  line-height: 1.5;
}
.footer-info { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); }
.footer-meta { margin: 0; color: rgba(255,255,255,.82); font-size: var(--fs-sm); }
.footer-meta .visit-count { color: var(--_gold-400); font-weight: 700; }
.footer-chrome .footer-legal { margin-block-start: var(--space-1); color: rgba(255,255,255,.8); font-size: var(--fs-sm); }
.footer-chrome .footer-legal:hover { color: var(--_gold-400); }
.footer-social { display: flex; gap: var(--space-2); }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  inline-size: 44px; block-size: 44px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: var(--radius);
}
.footer-social a:hover { background: rgba(255,255,255,.12); }
.footer-social svg { inline-size: 22px; block-size: 22px; }

@media (min-width: 768px) {
  .footer-row { flex-direction: row; justify-content: space-between; text-align: start; }
  .footer-info { align-items: flex-start; }
  .footer-social { margin-inline-start: auto; }
}

/* ==========================================================================
   Back to top (floating, appears after scrolling)
   ========================================================================== */
.to-top {
  position: fixed;
  inset-block-end: calc(72px + env(safe-area-inset-bottom));   /* clears the mobile bottom nav */
  inset-inline-end: var(--edge);
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 48px;
  block-size: 48px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--pill-bg);
  color: var(--pill-text);
  box-shadow: var(--shadow-pop);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top svg { inline-size: 24px; block-size: 24px; }

@media (min-width: 1024px) {
  .to-top { inset-block-end: var(--space-6); }   /* no bottom nav on desktop */
}

/* keep bottom nav from hiding the last of the footer on mobile */
@media (max-width: 1023px) {
  .site-footer { margin-block-end: 0; }
}

/* ==========================================================================
   Section heading (gold accent bar) + update cards (shared: home feed + archive)
   ========================================================================== */
.section-heading { display: flex; align-items: center; gap: var(--space-3); }
.section-heading::before {
  content: "";
  flex: none;
  inline-size: 4px;
  block-size: 1.15em;
  border-radius: 2px;
  background: var(--accent);
}

.update-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.update-card > a {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  block-size: 100%;
  padding: var(--space-4);
  text-decoration: none;
}
.update-card__meta { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-xs); }
.update-card__date { color: var(--text-muted); }
.update-card__tag {
  color: var(--accent);
  font-weight: 700;
  padding-inline: var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
}
.update-card__title { margin: 0; color: var(--heading); font-size: 1.1rem; line-height: 1.4; }
.update-card__summary {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.update-card:hover { border-color: var(--link); box-shadow: var(--shadow-card); }
.update-card:hover .update-card__title { color: var(--link-hover); }

/* Archive + single (minimal — expanded in the archives/singles phase) */
.archive { padding-block: var(--space-7); }
.archive__intro { margin-block-start: var(--space-2); color: var(--text-secondary); max-inline-size: var(--measure); }
.update-grid {
  margin-block-start: var(--space-5);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}
.single { padding-block: var(--space-7); max-inline-size: var(--measure); }
.single__back { margin: 0 0 var(--space-4); }
.single__back a { color: var(--link); font-weight: 700; font-size: var(--fs-sm); text-decoration: none; }
.single__back a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }
.single__meta { color: var(--text-muted); font-size: var(--fs-sm); }
.single__lead { color: var(--text-secondary); font-size: 1.2rem; margin-block-start: var(--space-3); }
.single__body { margin-block-start: var(--space-4); }
.single__return { margin-block-start: var(--space-6); padding-block-start: var(--space-4); border-block-start: 1px solid var(--border); }
.single__return a { color: var(--link); font-weight: 700; text-decoration: none; }
.single__return a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Archive listing: tools + responsive table (desktop) → cards (mobile) + pager
   ========================================================================== */
.archive__tools { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-block-start: var(--space-5); }
.archive__jump {
  flex: 1 1 260px;
  min-block-size: 44px;
  padding-inline: var(--space-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-body);
  font: inherit;
}
.archive__count { color: var(--text-muted); font-size: var(--fs-sm); }

/* Filter toggles (all / scholar / team) */
.archive__filters { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-block-start: var(--space-4); }
.filter-chip {
  display: inline-flex; align-items: center; min-block-size: 40px;
  padding-inline: var(--space-4);
  border: 1.5px solid var(--border-strong); border-radius: var(--radius-pill);
  color: var(--link); font-weight: 700; font-size: var(--fs-sm); text-decoration: none;
}
.filter-chip:hover { border-color: var(--link); }
.filter-chip.is-active { background: var(--pill-bg); color: var(--pill-text); border-color: var(--pill-bg); }

.archive-table { inline-size: 100%; border-collapse: collapse; margin-block-start: var(--space-4); }
.archive-table th, .archive-table td { padding: var(--space-3); text-align: start; border-block-end: 1px solid var(--border); vertical-align: top; }
.archive-table thead th { color: var(--text-muted); font-size: var(--fs-sm); font-weight: 700; }
.archive-table tbody tr:nth-child(even) { background: var(--bg-alt); }        /* zebra */
.archive-table tbody tr:hover { background: var(--bg-band); }
.archive-table a { color: var(--link); text-decoration: none; font-weight: 700; }
.archive-table a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }
.archive-table .muted { color: var(--text-muted); }

@media (max-width: 640px) {
  .archive-table thead { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .archive-table, .archive-table tbody, .archive-table tr, .archive-table td { display: block; inline-size: 100%; }
  .archive-table tbody tr,
  .archive-table tbody tr:nth-child(even) {                                    /* one card style, no zebra */
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    padding: var(--space-3);
    margin-block-end: var(--space-3);
  }
  .archive-table td { border: 0; padding: 2px 0; }
  .archive-table td:first-child { font-size: 1.05rem; font-weight: 700; margin-block-end: var(--space-1); }
  .archive-table td:first-child::before { display: none; }
  .archive-table td:not(:first-child) { color: var(--text-secondary); font-size: var(--fs-sm); }
  .archive-table td:not(:first-child)::before { content: attr(data-label) ": "; color: var(--text-muted); font-weight: 700; }
}

.pager ul { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); list-style: none; padding: 0; margin: var(--space-6) 0 0; }
.pager a {
  display: inline-flex; min-inline-size: 40px; min-block-size: 40px;
  align-items: center; justify-content: center; padding-inline: var(--space-2);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--link); text-decoration: none;
}
.pager a:hover { border-color: var(--link); }
.pager .is-current a { background: var(--pill-bg); color: var(--pill-text); border-color: var(--pill-bg); }

.single__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); margin-block: var(--space-3) var(--space-2); }
.single__head .single__meta { margin: 0; }
/* Primary action on a single: the downloadable PDF. Filled rather than
   outlined — on athkar and the book/research types this is the thing most
   readers came for, and the outline pill read as secondary. */
.single__download {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  flex: none;
  min-block-size: 44px;                       /* comfortable touch target */
  padding: .6rem 1.2rem;
  border: 0; border-radius: var(--radius-pill);
  background: var(--pill-bg); color: var(--pill-text);
  font-weight: 700; font-size: var(--fs-sm); text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: box-shadow .15s ease, transform .1s ease;
}
/* base.css sets `a:hover { color: var(--link-hover) }` globally. A filled
   button must therefore re-declare its own colour on every interactive state,
   or the global rule repaints the label — dark green on a dark green pill in
   light mode, light green on a gold pill in dark mode. Both unreadable.
   Darken with an inset wash rather than a colour swap: --pill-bg is green in
   light mode and gold in dark, so a fixed hover colour would clash in one. */
.single__download:hover,
.single__download:focus,
.single__download:focus-visible,
.single__download:active {
  color: var(--pill-text);
}
.single__download:hover {
  box-shadow: inset 0 0 0 999px rgba(0, 0, 0, .10), 0 3px 10px rgba(0, 0, 0, .16);
}

.single__download:active { transform: translateY(1px); }

.single__download svg { inline-size: 19px; block-size: 19px; flex: none; }

/* Full width on narrow screens — most readers are on phones, and a centred
   full-width primary action is easier to hit than a floated pill. */
@media (max-width: 480px) {
  .single__download { inline-size: 100%; }
}

/* ==========================================================================
   Books: availability badges + table of contents + chapter navigation
   ========================================================================== */
.archive-table td.badges { white-space: nowrap; }
.badge {
  display: inline-flex; align-items: center; vertical-align: middle;
  padding: 2px var(--space-2);
  border: 1px solid transparent; border-radius: var(--radius-pill);
  font-size: var(--fs-xs); font-weight: 700; white-space: nowrap;
}
.badge + .badge { margin-inline-start: var(--space-1); }
.badge--read { color: var(--link); border-color: var(--link); }
.badge--dl   { color: var(--text-muted); border-color: var(--border); }

.book-toc { margin-block-start: var(--space-6); }
.book-toc__list { margin: var(--space-3) 0 0; padding-inline-start: var(--space-5); display: grid; gap: var(--space-2); }
.book-toc__list a { color: var(--link); text-decoration: none; }
.book-toc__list a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }

.chapter-nav {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3);
  margin-block-start: var(--space-6); padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--border);
}
.chapter-nav a { color: var(--link); font-weight: 700; text-decoration: none; }
.chapter-nav a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Card archives (تراجم، أذكار) + biography head
   ========================================================================== */
.card-grid {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.card {
  position: relative;                 /* anchor for the stretched title link */
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  margin: 0;
}
.card:hover { border-color: var(--link); box-shadow: var(--shadow-card); }

.card__thumb {
  flex: none;
  inline-size: 72px;
  block-size: 92px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
}

.card__body { min-inline-size: 0; }   /* let long Arabic titles wrap, not overflow */

.card__title { margin: 0; font-size: 1.08rem; line-height: 1.45; }
.card__title a { color: var(--heading); text-decoration: none; }
.card__title a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }
/* Whole card is the target; the accessible name stays the title alone. */
.card__title a::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }

.card__meta { margin: var(--space-2) 0 0; color: var(--text-secondary); font-size: var(--fs-sm); }
.card__meta a { position: relative; z-index: 1; }   /* stays clickable above the overlay */

.card__badges { margin: var(--space-2) 0 0; }

.archive__empty { color: var(--text-secondary); }

@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

/* Biography single: portrait beside the name -------------------------------- */
.bio-head { display: flex; align-items: flex-start; gap: var(--space-4); margin-block-end: var(--space-4); }
.bio-head__portrait {
  flex: none;
  inline-size: 96px;
  block-size: 120px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--bg-alt);
}
.bio-head__text { min-inline-size: 0; }
.bio-head h1 { margin-block-end: var(--space-2); }
.bio-head .single__meta { margin: 0; }

@media (min-width: 640px) {
  .bio-head__portrait { inline-size: 128px; block-size: 160px; }
}