/* =========================================================
   Reader Modes — Book spread + Interactive screen
   إنتاجي: لا يؤثر على الطباعة، ولا يغير ترقيم الصفحات.
   ========================================================= */
:root {
  --reader-scale: .56;
  --reader-screen-scale: .70;
  --reader-stage-navy: #0b2545;
  --reader-stage-blue: #123c69;
  --reader-stage-gold: #d4af37;
  --reader-stage-cyan: #23dcd5;
  --reader-stage-green: #16a34a;
  --reader-stage-orange: #f59e0b;
  --reader-stage-purple: #7c3aed;
}

.reader-mode-btn.is-active {
  background: var(--navy) !important;
  color: #fff !important;
  box-shadow: 0 0 0 3px rgba(227,188,52,.22);
}

body[data-reader-mode="book"],
body[data-reader-mode="screen"] {
  overflow-x: hidden;
}

body[data-reader-mode="book"] .book,
body[data-reader-mode="screen"] .book {
  position: relative;
  isolation: isolate;
}

body[data-reader-mode="book"] .book {
  min-height: calc(100vh - 104px);
  display: flex;
  flex-direction: row;
  direction: rtl;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 34px 44px 48px;
  border: 1px solid rgba(18,60,105,.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 50%, rgba(212,175,55,.16), transparent 25%),
    linear-gradient(135deg, rgba(255,255,255,.88), rgba(230,237,247,.92));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 24px 70px rgba(15,23,42,.16);
  overflow: hidden;
  perspective: 2400px;
}

body[data-reader-mode="book"] .book::before {
  content: '';
  position: absolute;
  top: 34px;
  bottom: 48px;
  right: 50%;
  width: 22px;
  transform: translateX(50%);
  background:
    linear-gradient(90deg, rgba(15,23,42,.05), rgba(15,23,42,.22), rgba(255,255,255,.45), rgba(15,23,42,.14), rgba(15,23,42,.04));
  border-radius: 999px;
  opacity: .65;
  z-index: 1;
  pointer-events: none;
}

body[data-reader-mode="book"] .book::after {
  content: 'استخدم أزرار السابق والتالي أو عجلة الماوس للتقليب';
  position: absolute;
  left: 24px;
  bottom: 14px;
  z-index: 5;
  color: rgba(18,60,105,.72);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .02em;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(18,60,105,.12);
  border-radius: 999px;
  padding: 7px 13px;
  pointer-events: none;
}

body[data-reader-mode="book"] almajd-page,
body[data-reader-mode="screen"] almajd-page {
  display: none !important;
}

body[data-reader-mode="book"] almajd-page.reader-visible {
  display: block !important;
  width: 297mm !important;
  height: 210mm !important;
  margin: 0 !important;
  zoom: var(--reader-scale);
  box-shadow: 0 18px 55px rgba(15,23,42,.22);
  border-radius: 10px;
  overflow: visible;
  transform-style: preserve-3d;
  will-change: transform, opacity;
  background: #fff;
  z-index: 2;
}

body[data-reader-mode="book"] almajd-page.reader-right-page {
  transform-origin: left center;
}
body[data-reader-mode="book"] almajd-page.reader-left-page {
  transform-origin: right center;
}

body[data-reader-mode="book"] .book.reader-turn-next almajd-page.reader-left-page,
body[data-reader-mode="book"] .book.reader-turn-prev almajd-page.reader-right-page {
  animation: readerPageFlip .46s cubic-bezier(.2,.72,.18,1) both;
}

@keyframes readerPageFlip {
  0% { transform: rotateY(0deg) translateZ(0); opacity: 1; }
  45% { transform: rotateY(-18deg) translateX(-10px) translateZ(18px); opacity: .88; }
  100% { transform: rotateY(0deg) translateZ(0); opacity: 1; }
}


body[data-reader-mode="book"] .book.reader-single-spread {
  justify-content: center;
}
body[data-reader-mode="book"] .book.reader-single-spread::before {
  display: none;
}
body[data-reader-mode="book"] .book.reader-single-spread almajd-page.reader-visible {
  margin-inline: auto !important;
}
body[data-reader-mode="book"] .book.reader-double-spread {
  justify-content: center;
}

body[data-reader-mode="screen"] .master-shell {
  padding-right: 0 !important;
}
body[data-reader-mode="screen"] .side-panel {
  display: none !important;
}
body[data-reader-mode="screen"] .workspace {
  padding: 14px 18px 18px;
  max-width: none;
}
body[data-reader-mode="screen"] .book {
  min-height: calc(100vh - 106px);
  display: grid;
  place-items: center;
  padding: 42px 96px 54px 42px;
  border-radius: 32px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(35,220,213,.22), transparent 23%),
    radial-gradient(circle at 82% 80%, rgba(212,175,55,.16), transparent 24%),
    linear-gradient(135deg, #06172e, #0b2545 45%, #123c69);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 28px 80px rgba(0,0,0,.25);
}
body[data-reader-mode="screen"] .book::before {
  content: '';
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 24px;
  pointer-events: none;
}
body[data-reader-mode="screen"] .book::after {
  content: 'Interactive Display Mode';
  position: absolute;
  left: 32px;
  top: 26px;
  color: rgba(255,255,255,.52);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .22em;
  text-transform: uppercase;
  pointer-events: none;
}

body[data-reader-mode="screen"] almajd-page.reader-visible {
  display: block !important;
  width: 297mm !important;
  height: 210mm !important;
  margin: 0 !important;
  zoom: var(--reader-screen-scale);
  box-shadow: 0 0 0 10px rgba(255,255,255,.06), 0 25px 70px rgba(0,0,0,.36);
  border-radius: 16px;
  overflow: visible;
  background: #fff;
  z-index: 3;
}

.reader-hotzone {
  position: absolute!important;
  top: 50%!important;
  bottom: auto;
  width: 104px;
  height: 112px;
  transform: translateY(-50%);
  z-index: 12;
  cursor: pointer;
  display: none;
  appearance: none;
  -webkit-appearance: none;
  padding: 0;
  margin: 0;
  border: 0;
  outline: 0;
  border-radius: 24px;
  background: transparent;
  box-shadow: none;
  color: inherit;
}
.reader-hotzone::before {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  min-width: 76px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  opacity: .78;
  background: rgba(255,255,255,.94);
  color: var(--reader-stage-navy);
  border: 1px solid rgba(18,60,105,.14);
  box-shadow: 0 14px 34px rgba(15,23,42,.14);
  border-radius: 999px;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 900;
  transition: opacity .18s ease, transform .18s ease, background .18s ease;
  pointer-events: none;
}
.reader-hotzone::after {
  position:absolute;
  top:50%;
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  transform:translateY(-50%);
  border-radius:50%;
  background:var(--reader-stage-navy);
  color:#fff;
  border:2px solid rgba(255,255,255,.9);
  box-shadow:0 8px 20px rgba(15,23,42,.22);
  font-size:20px;
  line-height:1;
  font-weight:900;
  pointer-events:none;
  transition:transform .18s ease;
}
.reader-hotzone:hover::before,
.reader-hotzone:focus-visible::before { opacity: 1; }
.reader-hotzone:hover::after,
.reader-hotzone:focus-visible::after { transform:translateY(-50%) scale(1.08); }
.reader-hotzone--next { left:14px!important; right:auto!important; }
.reader-hotzone--prev { right:14px!important; left:auto!important; }
.reader-hotzone--next::before { left: 8px; padding-left:34px; }
.reader-hotzone--prev::before { right: 8px; padding-right:34px; }
.reader-hotzone--next::after { content:'›'!important; left:4px!important; right:auto!important; }
.reader-hotzone--prev::after { content:'‹'!important; right:4px!important; left:auto!important; }
body[data-reader-mode="book"] .reader-hotzone,
body[data-reader-mode="screen"] .reader-hotzone { display: block; }
body[data-reader-mode="screen"] .reader-hotzone::before {
  background: rgba(11,37,69,.88);
  color: #fff;
  border-color: rgba(255,255,255,.22);
  box-shadow:0 14px 34px rgba(0,0,0,.24);
}
body[data-reader-mode="screen"] .reader-hotzone::after {
  background:var(--reader-stage-gold);
  color:var(--reader-stage-navy);
  border-color:rgba(255,255,255,.86);
}
@media (max-width: 900px) {
  .reader-hotzone { width:76px; height:92px; }
  .reader-hotzone::before { min-width:0; width:48px; font-size:0; padding:0; }
  .reader-hotzone--next::before { left:6px; }
  .reader-hotzone--prev::before { right:6px; }
}
@media print {
  .reader-hotzone { display:none!important; }
}

.reader-indicator-rail {
  position: fixed;
  right: 18px;
  top: 96px;
  bottom: 28px;
  z-index: 40;
  width: 76px;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px 10px;
  border-radius: 26px;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 20px 65px rgba(0,0,0,.28);
  backdrop-filter: blur(14px);
}
body[data-reader-mode="screen"] .reader-indicator-rail { display: flex; }
.reader-indicator-rail .rail-logo {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--reader-stage-navy), var(--reader-stage-blue));
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(18,60,105,.24);
}
.reader-indicator-rail .rail-page {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  color: var(--reader-stage-navy);
  font-weight: 900;
  font-size: 12px;
  line-height: 1.2;
  max-height: 150px;
  overflow: hidden;
  text-align: center;
}
.reader-indicator-rail .rail-dots {
  display: grid;
  gap: 8px;
  margin-top: auto;
}
.reader-dot {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid rgba(15,23,42,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28), 0 8px 18px rgba(15,23,42,.14);
}
.reader-dot[data-color="blue"] { background: var(--reader-stage-blue); }
.reader-dot[data-color="gold"] { background: var(--reader-stage-gold); }
.reader-dot[data-color="cyan"] { background: var(--reader-stage-cyan); }
.reader-dot[data-color="green"] { background: var(--reader-stage-green); }
.reader-dot[data-color="orange"] { background: var(--reader-stage-orange); }
.reader-dot[data-color="purple"] { background: var(--reader-stage-purple); }
.reader-indicator-rail .rail-progress {
  color: var(--reader-stage-navy);
  font-size: 11px;
  font-weight: 900;
  background: #f1f5f9;
  border-radius: 999px;
  padding: 5px 8px;
}

@media (max-width: 1100px) {
  body[data-reader-mode="book"] .book {
    flex-direction: column;
    gap: 14px;
    overflow-y: auto;
  }
  body[data-reader-mode="book"] .book::before { display: none; }
  body[data-reader-mode="screen"] .book { padding-right: 34px; }
  body[data-reader-mode="screen"] .reader-indicator-rail { display: none; }
}

@media print {
  body[data-reader-mode="book"] .book,
  body[data-reader-mode="screen"] .book {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: #fff !important;
    min-height: 0 !important;
    overflow: visible !important;
  }
  body[data-reader-mode="book"] .book::before,
  body[data-reader-mode="book"] .book::after,
  body[data-reader-mode="screen"] .book::before,
  body[data-reader-mode="screen"] .book::after,
  .reader-hotzone,
  .reader-indicator-rail {
    display: none !important;
  }
  body[data-reader-mode="book"] almajd-page,
  body[data-reader-mode="screen"] almajd-page {
    display: block !important;
    zoom: 1 !important;
  }
}

/* Screen-mode navigation clearance: keep controls away from the fixed tool rails. */
body[data-reader-mode="screen"] .reader-hotzone--next { left:82px!important; }
body[data-reader-mode="screen"] .reader-hotzone--prev { right:98px!important; }
@media (max-width: 1100px) {
  body[data-reader-mode="screen"] .reader-hotzone--next { left:12px!important; }
  body[data-reader-mode="screen"] .reader-hotzone--prev { right:12px!important; }
}
@media print {
  body[data-reader-mode="screen"] .reader-hotzone--next,
  body[data-reader-mode="screen"] .reader-hotzone--prev { display:none!important; }
}