/* PDF katalog görüntüleyici + sayfa çevirme (peel) */
.catalog-viewer-wrap {
  background: linear-gradient(180deg, #e8ecf2 0%, #dfe4ea 100%);
  border-radius: var(--radius);
  padding: 20px 16px 28px;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
  perspective: 1900px;
  perspective-origin: 50% 45%;
  overflow: visible; /* 3D çevirme taşmasın */
}
.catalog-viewer-wrap:focus {
  outline: 2px solid rgba(30, 58, 95, 0.35);
  outline-offset: 2px;
}
.catalog-viewer-wrap:focus:not(:focus-visible) {
  outline: none;
}
.cv-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}
.cv-toolbar button {
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font, 'Poppins', sans-serif);
  transition: background .2s, transform .15s;
}
.cv-toolbar button:hover:not(:disabled) { background: var(--accent, #e84c3d); }
.cv-toolbar button:disabled { opacity: .45; cursor: not-allowed; }
.cv-toolbar .cv-info {
  font-size: 13px;
  color: #555;
  min-width: 140px;
  text-align: center;
}
.cv-hint {
  font-size: 12px;
  color: #666;
  text-align: center;
  line-height: 1.45;
  margin: -6px 8px 14px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.cv-stage {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 14px;
  min-height: 200px;
  transform-style: preserve-3d;
  transform: rotateY(0deg) rotateX(0deg);
  backface-visibility: hidden;
  will-change: auto;
}
/* Mouse / dokunma: sol yarı önceki, sağ yarı sonraki; sürükleme ile çevir */
.cv-hit-layer {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 6;
  cursor: ew-resize;
  touch-action: pan-y;
  background: transparent;
}
.catalog-viewer-wrap.cv-peel-busy .cv-hit-layer {
  pointer-events: none;
  cursor: wait;
}

/* ── Sonraki: sayfa sol “cilt” ekseninde arkaya doğru kalkar ── */
.catalog-viewer-wrap.cv-peel-out.cv-forward .cv-stage {
  animation: cvPeelOutForward 0.44s cubic-bezier(0.42, 0, 0.58, 1) forwards;
  will-change: transform;
}
.catalog-viewer-wrap.cv-peel-in.cv-forward .cv-stage {
  animation: cvPeelInForward 0.5s cubic-bezier(0.34, 1.3, 0.64, 1) forwards;
  will-change: transform;
}
@keyframes cvPeelOutForward {
  0% {
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  }
  100% {
    transform: rotateY(-82deg) rotateX(3deg);
    box-shadow: -18px 12px 40px rgba(0, 0, 0, 0.28);
  }
}
@keyframes cvPeelInForward {
  0% {
    transform: rotateY(76deg) rotateX(-2deg);
    box-shadow: 18px 12px 40px rgba(0, 0, 0, 0.25);
  }
  100% {
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  }
}

/* ── Önceki: ters yönde çevir ── */
.catalog-viewer-wrap.cv-peel-out.cv-back .cv-stage {
  animation: cvPeelOutBack 0.44s cubic-bezier(0.42, 0, 0.58, 1) forwards;
  will-change: transform;
}
.catalog-viewer-wrap.cv-peel-in.cv-back .cv-stage {
  animation: cvPeelInBack 0.5s cubic-bezier(0.34, 1.3, 0.64, 1) forwards;
  will-change: transform;
}
@keyframes cvPeelOutBack {
  0% {
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  }
  100% {
    transform: rotateY(82deg) rotateX(3deg);
    box-shadow: 18px 12px 40px rgba(0, 0, 0, 0.28);
  }
}
@keyframes cvPeelInBack {
  0% {
    transform: rotateY(-76deg) rotateX(-2deg);
    box-shadow: -18px 12px 40px rgba(0, 0, 0, 0.25);
  }
  100% {
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  }
}

.cv-page {
  flex: 1 1 50%;
  max-width: calc(50% - 7px);
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 8px 28px rgba(0,0,0,.12);
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
}
.cv-page--hidden { display: none !important; }
.cv-page-inner {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 8px;
  box-sizing: border-box;
}
.cv-page canvas {
  max-width: 100%;
  height: auto !important;
  display: block;
}
/* Mobil: tek sayfa — menteşe solda */
.catalog-viewer-wrap.cv-mobile {
  perspective-origin: 30% 45%;
}
.catalog-viewer-wrap.cv-mobile .cv-stage {
  transform-origin: 0% 50%;
  flex-direction: column;
  gap: 0;
}
.catalog-viewer-wrap:not(.cv-mobile) .cv-stage {
  transform-origin: 50% 50%;
}
.catalog-viewer-wrap.cv-mobile .cv-page {
  max-width: 100%;
  flex: none;
}
.catalog-viewer-wrap.cv-mobile .cv-page-right.cv-page--hidden-mobile {
  display: none !important;
}
.cv-download {
  margin-left: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cv-download:hover { background: var(--primary); color: #fff; }
.cv-fallback {
  text-align: center;
  padding: 40px 20px;
  color: #666;
}

@media (prefers-reduced-motion: reduce) {
  .catalog-viewer-wrap.cv-peel-out .cv-stage,
  .catalog-viewer-wrap.cv-peel-in .cv-stage {
    animation: none !important;
    transform: none !important;
    will-change: auto;
  }
}