.lightbox-utility{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;

  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease-out;
}

.lightbox-utility.is-open{
  opacity: 1;
  pointer-events: auto;
}

/* CRT scanlines */
.lightbox-utility::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0,0,0,0.18),
      rgba(0,0,0,0.18) 1px,
      rgba(0,0,0,0.06) 2px,
      rgba(0,0,0,0.06) 3px
    );
  mix-blend-mode: multiply;
  opacity: 0.55;
  animation: scan-drift 8s linear infinite;
  z-index: 0;
}

/* Grain */
.lightbox-utility::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  opacity: 0.22;
  z-index: 0;
}

/* Inner wrapper (image + caption) */
.lightbox-utility-inner{
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px 16px;
  max-width: 95vw;
}

/* The image itself */
.lightbox-utility-img{
  max-width: 95vw;
  max-height: 82vh;
  object-fit: contain;

  cursor: zoom-out;

  filter:
    contrast(1.08)
    saturate(0.92)
    drop-shadow(0 0 10px rgba(120,255,160,0.16))
    drop-shadow(0 0 28px rgba(120,255,160,0.08));
}

/* Caption (uses ALT text) */
.lightbox-utility-caption{
  max-width: min(92vw, 980px);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-align: center;

  padding: 10px 12px;
  border: 1px solid rgba(120,255,160,0.28);
  background: rgba(0,0,0,0.55);
  color: rgba(160,255,190,0.95);
  text-shadow: 0 0 10px rgba(120,255,160,0.35);
  border-radius: 10px;
}

/* Optional prefix to reinforce "field guide" vibe */

.lightbox-utility-caption::before{
  content: "LOG ENTRY: ";
  opacity: 0.75;
}
*/

/* Phosphor glow movement */
.lightbox-utility.is-open .lightbox-utility-img{
  animation: phosphor-pulse 3.2s ease-in-out infinite;
}

/* Keyframes */

@keyframes phosphor-pulse{
  0%{
    filter:
      contrast(1.08)
      saturate(0.92)
      drop-shadow(0 0 10px rgba(120,255,160,0.16))
      drop-shadow(0 0 28px rgba(120,255,160,0.08));
  }
  50%{
    filter:
      contrast(1.08)
      saturate(0.92)
      drop-shadow(0 0 14px rgba(120,255,160,0.20))
      drop-shadow(0 0 36px rgba(120,255,160,0.12));
  }
  100%{
    filter:
      contrast(1.08)
      saturate(0.92)
      drop-shadow(0 0 10px rgba(120,255,160,0.16))
      drop-shadow(0 0 28px rgba(120,255,160,0.08));
  }
}

@keyframes scan-drift{
  0%{ background-position: 0 0; }
  100%{ background-position: 0 4px; }
}