/* ============================================================
   LIGHTBOX.CSS — Full-screen image modal
   ============================================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(4, 12, 24, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
  backdrop-filter: blur(4px);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

/* ── Image ── */
.lightbox__image {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  transform: scale(0.92);
  transition: transform var(--duration-slow) var(--ease-out);
}

.lightbox.open .lightbox__image {
  transform: scale(1);
}

/* ── Close Button ── */
.lightbox__close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-text-light);
  font-size: var(--text-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.20);
  transform: rotate(90deg);
}

/* ── Nav Arrows ── */
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-text-light);
  font-size: var(--text-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox__prev { left: var(--space-5); }
.lightbox__next { right: var(--space-5); }

.lightbox__prev:hover,
.lightbox__next:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

/* ── Caption ── */
.lightbox__caption {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .lightbox__prev { left: var(--space-3); }
  .lightbox__next { right: var(--space-3); }

  .lightbox__prev,
  .lightbox__next {
    width: 38px;
    height: 38px;
    font-size: var(--text-lg);
  }
}