/* ========================================
   CATALOG PAGE — Full-screen Image Viewer
   ======================================== */
.catalog-viewer {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding-top: var(--nav-height);
  overflow: hidden;
  user-select: none;
}
.catalog-slide-wrapper {
  width: 100%;
  height: 90vh; /* يخليها كبيرة على الشاشة */
  display: flex;
  justify-content: center;
  align-items: center;
}

.catalog-slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.catalog-slide img {
  max-width: 100%;
  max-height: calc(100vh - var(--nav-height) - 120px);
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
  transition: opacity 0.4s var(--transition);
}
.catalog-slide img.fading { opacity: 0; }

/* Arrows */
.catalog-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 56px;
  height: 56px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(14,14,14,0.6);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.4s, background 0.4s, transform 0.3s;
}
.catalog-arrow:hover {
  border-color: var(--color-accent);
  background: rgba(201,169,110,0.12);
  transform: translateY(-50%) scale(1.08);
}
.catalog-arrow.disabled { opacity: 0.15; pointer-events: none; }
.catalog-arrow svg { width: 22px; height: 22px; stroke: var(--color-accent); fill: none; stroke-width: 1.5; }
.catalog-arrow-prev { left: clamp(12px, 3vw, 40px); }
.catalog-arrow-next { right: clamp(12px, 3vw, 40px); }

/* Bottom info */
.catalog-info {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 24px;
  z-index: 10;
}
.catalog-counter {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}
.catalog-counter .current-num { color: var(--color-accent); font-size: 1.4rem; }
.catalog-progress { width: 120px; height: 2px; background: var(--color-border); border-radius: 1px; overflow: hidden; }
.catalog-progress-fill { height: 100%; background: var(--color-accent); border-radius: 1px; transition: width 0.5s var(--transition); }

/* Dots */
.catalog-dots {
  position: absolute;
  bottom: 68px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}
.catalog-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  flex-shrink: 0;
}
.catalog-dot.active { background: var(--color-accent); transform: scale(1.4); }
.catalog-dot:hover { background: var(--color-accent); }

/* Hint */
.catalog-hint {
  position: absolute;
  top: calc(var(--nav-height) + 16px);
  right: 24px;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.4;
  z-index: 10;
}

/* RTL */
html[dir="rtl"] .catalog-arrow-prev { left: auto; right: clamp(12px, 3vw, 40px); }
html[dir="rtl"] .catalog-arrow-next { right: auto; left: clamp(12px, 3vw, 40px); }
html[dir="rtl"] .catalog-arrow-prev svg { transform: rotate(180deg); }
html[dir="rtl"] .catalog-arrow-next svg { transform: rotate(180deg); }

@media (max-width: 768px) {
  .catalog-arrow { width: 44px; height: 44px; }
  .catalog-arrow svg { width: 18px; height: 18px; }
  .catalog-slide-wrapper { padding: 20px 50px; }
  .catalog-hint { display: none; }
}