.khedr-pdf-book-wrap {
  width: 100%;
  position: relative;
  font-family: inherit;
}

.khedr-book-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.khedr-book-tabs-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1 1 520px;
}

.khedr-book-tabs-label {
  font-size: 13px;
  font-weight: 700;
  color: rgba(0,0,0,.58);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.khedr-book-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(246,246,246,.94));
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 12px 28px rgba(0,0,0,.06);
}

.khedr-book-tab {
  position: relative;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #202020;
  min-height: 46px;
  padding: 0 18px;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
}

.khedr-book-tab:hover {
  transform: translateY(-1px);
  background: rgba(0,0,0,.04);
}

.khedr-book-tab.is-active {
  background: var(--khedr-book-accent, #e84ea0);
  color: #fff;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--khedr-book-accent, #e84ea0) 28%, transparent);
}

.khedr-book-tab-title {
  display: block;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
}

.khedr-book-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.khedr-book-btn {
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 14px;
  background: #fff;
  min-width: 44px;
  min-height: 44px;
  padding: 0 12px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,.08);
  transition: transform .18s ease, box-shadow .18s ease;
}

.khedr-book-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}

.khedr-book-page-status {
  font-size: 13px;
  font-weight: 700;
  min-width: 72px;
  text-align: center;
}

.khedr-book-stage {
  position: relative;
  background: radial-gradient(circle at top, #fff 0%, var(--khedr-book-bg, #f4f4f4) 72%);
  border-radius: 24px;
  padding: 28px;
  min-height: 640px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0,0,0,.08);
}

.khedr-book-stage::before {
  content: '';
  position: absolute;
  inset: 22px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.52), rgba(255,255,255,.12));
  pointer-events: none;
}

.khedr-book-frame {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  transition: transform .3s ease;
}

.khedr-book-frame.is-zoomed {
  transform: scale(1.12);
  transform-origin: center center;
}

.khedr-book {
  margin: 0 auto;
}

.khedr-book .page {
  background: #fff;
}

.khedr-page-inner {
  position: relative;
  width: 100%;
  height: 100%;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.06);
}

.khedr-page-inner canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.khedr-page-number {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 12px;
  color: rgba(0,0,0,.55);
  background: rgba(255,255,255,.84);
  padding: 4px 8px;
  border-radius: 999px;
}

.khedr-book-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(8px);
}

.khedr-book-loader.is-hidden,
.khedr-book-error.is-hidden,
.is-hidden {
  display: none !important;
}

.khedr-book-loader-inner {
  text-align: center;
}

.khedr-book-loader-inner strong {
  display: block;
  margin-top: 16px;
  font-size: 15px;
}

.khedr-loader-book {
  display: inline-flex;
  gap: 4px;
}

.khedr-loader-book i {
  width: 18px;
  height: 46px;
  display: block;
  border-radius: 4px;
  background: var(--khedr-book-accent, #e84ea0);
  animation: khedrBookPulse 1.1s ease-in-out infinite;
}

.khedr-loader-book i:nth-child(2) { animation-delay: .12s; }
.khedr-loader-book i:nth-child(3) { animation-delay: .24s; }

@keyframes khedrBookPulse {
  0%,100% { transform: scaleY(.6); opacity: .4; }
  50% { transform: scaleY(1); opacity: 1; }
}

.khedr-book-error {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  background: #fff2f2;
  color: #a70000;
  border: 1px solid #ffcaca;
  padding: 12px 16px;
  border-radius: 12px;
}

.khedr-book-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.khedr-thumb {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid rgba(0,0,0,.08);
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  cursor: pointer;
}

.khedr-thumb img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.khedr-thumb span {
  font-size: 12px;
  font-weight: 700;
}

.khedr-thumb.is-active {
  border-color: var(--khedr-book-accent, #e84ea0);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--khedr-book-accent, #e84ea0) 22%, white);
}

.khedr-pdf-book-empty {
  padding: 20px;
  border-radius: 16px;
  background: #fafafa;
  border: 1px dashed rgba(0,0,0,.12);
}

@media (max-width: 767px) {
  .khedr-book-stage {
    padding: 16px;
    min-height: 540px;
    border-radius: 18px;
  }

  .khedr-book-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .khedr-book-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: thin;
  }

  .khedr-book-tab {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .khedr-book-controls {
    justify-content: center;
  }
}


.khedr-book-stage,
.khedr-book-frame,
.khedr-book,
.khedr-book .page,
.khedr-page-inner,
.khedr-page-inner canvas {
  max-width: 100%;
  box-sizing: border-box;
}

.khedr-book-tabs {
  -webkit-overflow-scrolling: touch;
}

.khedr-book-tab-title {
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .khedr-book-stage {
    padding: 20px;
    min-height: 560px;
  }
}

@media (max-width: 767px) {
  .khedr-pdf-book-wrap {
    overflow: hidden;
  }

  .khedr-book-toolbar {
    gap: 12px;
    margin-bottom: 12px;
  }

  .khedr-book-tabs-wrap {
    flex: 1 1 100%;
    min-width: 0;
  }

  .khedr-book-tabs-label {
    font-size: 11px;
    letter-spacing: .06em;
  }

  .khedr-book-tabs {
    width: 100%;
    gap: 8px;
    padding: 6px;
    border-radius: 14px;
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: nowrap;
  }

  .khedr-book-tab {
    min-height: 40px;
    padding: 0 14px;
    border-radius: 11px;
    flex: 0 0 auto;
  }

  .khedr-book-tab-title {
    font-size: 13px;
  }

  .khedr-book-controls {
    width: 100%;
    justify-content: space-between;
    gap: 6px;
  }

  .khedr-book-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 0 10px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,.08);
  }

  .khedr-book-page-status {
    min-width: 58px;
    font-size: 12px;
  }

  .khedr-book-stage {
    padding: 12px;
    min-height: 420px;
    border-radius: 16px;
  }

  .khedr-book-stage::before {
    inset: 12px;
    border-radius: 12px;
  }

  .khedr-book-frame {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .khedr-book-frame.is-zoomed {
    transform: scale(1.03);
  }

  .khedr-book-error {
    left: 12px;
    right: 12px;
    top: 12px;
    transform: none;
    text-align: center;
  }

  .khedr-book-thumbs {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
    margin-top: 12px;
  }

  .khedr-thumb {
    padding: 6px;
    border-radius: 10px;
  }

  .khedr-thumb span {
    font-size: 11px;
  }
}