/* ────────────────────────────────────────────────────────────
   Lightbox — fullscreen media viewer.
   ──────────────────────────────────────────────────────────── */

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(4, 3, 2, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 4vw, 64px);
  opacity: 0;
  transition: opacity 220ms var(--ease-soft);
}
.lightbox-overlay.is-open {
  display: flex;
  opacity: 1;
}

body.lightbox-open { overflow: hidden; }

.lightbox-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  max-height: 100%;
}

.lightbox-stage img,
.lightbox-stage video {
  display: block;
  max-width: min(1400px, 92vw);
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.7);
  border: 1px solid var(--hairline-2);
}

.lightbox-close {
  position: absolute;
  top: clamp(16px, 3vh, 28px);
  right: clamp(16px, 3vw, 28px);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--hairline-2);
  background: rgba(20, 17, 14, 0.7);
  color: var(--accent);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: all 200ms var(--ease-soft);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox-close:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid var(--hairline-2);
  background: rgba(20, 17, 14, 0.6);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: all 200ms var(--ease-soft);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox-nav:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.lightbox-nav--prev { left: clamp(12px, 3vw, 36px); }
.lightbox-nav--next { right: clamp(12px, 3vw, 36px); }
.lightbox-nav[hidden] { display: none !important; }

.lightbox-counter {
  position: absolute;
  bottom: clamp(20px, 4vh, 36px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border: 1px solid var(--hairline-2);
  border-radius: 999px;
  background: rgba(20, 17, 14, 0.7);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

@media (max-width: 640px) {
  .lightbox-nav { width: 44px; height: 44px; font-size: 22px; }
  .lightbox-close { width: 38px; height: 38px; font-size: 20px; }
}