/* GALLERY STYLES — Full-bleed Immersive Grid
   Vibe: Responsive masonry-feel with premium hover states
*/

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  padding: 32px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  animation: gallery-fade 0.5s 0.3s cubic-bezier(0.16,1,0.3,1) both;
}

@keyframes gallery-fade {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-item {
  position: relative;
  background: rgba(30,41,59,0.5);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  will-change: transform;
}

.card-item:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.4);
  z-index: 2;
}

/* Gradient border glow on hover (matches landing portals) */
.card-item::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 17px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(34,211,238,0.5),
    rgba(99,102,241,0.3) 40%,
    transparent 60%,
    rgba(34,211,238,0.3)
  );
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 3;
}

.card-item:hover::before {
  opacity: 1;
}

.card-thumb {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center 60%;
  display: block;
  transition: transform 0.4s ease;
  filter: brightness(0.92) saturate(1.05);
}

.card-item:hover .card-thumb {
  transform: scale(1.1);
  filter: brightness(1) saturate(1.2);
}

.card-meta {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.card-item:hover .card-meta {
  opacity: 1;
}

.badge.view {
  background: rgba(34, 211, 238, 0.15);
  color: #cffafe;
  border: 1px solid rgba(34, 211, 238, 0.3);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}


/* --- LIGHTBOX --- */

#lightbox {
  border: none;
  background: transparent;
  padding: 0;
  width: 100%;
  height: 100%;
  max-width: 100vw;
  max-height: 100vh;
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
  z-index: 9999;
}

#lightbox[open] {
  display: flex;
  pointer-events: auto;
}

#lightbox::backdrop {
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
}

/* Lock body scroll when lightbox is open */
body.lightbox-open {
  overflow: hidden;
}

#lightboxBody {
  position: relative;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 8px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 40px rgba(34,211,238,0.06);
  overflow: hidden;
  pointer-events: auto;
  animation: lightbox-in 0.3s cubic-bezier(0.16,1,0.3,1);
}

#lightboxBody img, 
#lightboxBody img.lightbox-img {
  display: block;
  max-width: min(90vw, 1200px);
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: 16px;
  object-fit: contain;
}

#closeLightbox {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  padding: 0;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: auto;
  z-index: 10000;
}

#lightbox[open] ~ #closeLightbox,
#lightbox[open] #closeLightbox {
  display: flex;
}

#closeLightbox:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f172a;
  transform: rotate(90deg) scale(1.1);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.4);
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}


/* --- Mobile --- */
@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px;
  }
  
  .card-meta { padding: 8px; }
  .badge.view { padding: 4px 8px; font-size: 10px; }

  #closeLightbox {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}


/* ---- Light Theme Overrides ---- */
[data-theme="light"] .card-item {
  background: #fff;
  border-color: rgba(0,0,0,0.06);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

[data-theme="light"] .card-item:hover {
  border-color: rgba(8,145,178,0.35);
  box-shadow: 0 16px 40px -8px rgba(0,0,0,0.12);
}

[data-theme="light"] .card-item::before {
  background: linear-gradient(
    135deg,
    rgba(8,145,178,0.35),
    rgba(99,102,241,0.2) 40%,
    transparent 60%,
    rgba(8,145,178,0.2)
  );
}

[data-theme="light"] .card-thumb {
  filter: brightness(1) saturate(1.05);
}

[data-theme="light"] .card-meta {
  background: linear-gradient(to top, rgba(255,255,255,0.95) 0%, transparent 60%);
}

[data-theme="light"] .badge.view {
  background: rgba(8, 145, 178, 0.1);
  color: var(--accent);
  border-color: rgba(8, 145, 178, 0.25);
}

[data-theme="light"] #lightbox::backdrop {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

[data-theme="light"] #lightboxBody {
  background: #fff;
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.15);
}

[data-theme="light"] #closeLightbox {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.1);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

[data-theme="light"] #closeLightbox:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(8, 145, 178, 0.3);
}

[data-theme="light"] #lightbox::backdrop {
  background: rgba(240, 244, 248, 0.92);
}

[data-theme="light"] #closeLightbox {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.15);
  color: #334155;
}

[data-theme="light"] #closeLightbox:hover {
  background: var(--accent);
  color: #fff;
}

[data-theme="light"] #lightboxBody {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.1);
}