.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.filter-btn {
  min-height: 38px;
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.85rem;
  font-family: inherit;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.filter-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-sm), var(--focus-ring);
}

.gallery {
  columns: 3 280px;
  column-gap: 1.25rem;
}

.gallery-item {
  position: relative;
  break-inside: avoid;
  margin-bottom: 1.25rem;
  overflow: hidden;
  background: var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}

.gallery-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  cursor: pointer;
}

.avail-label,
.cat-label {
  position: absolute;
  bottom: 0.5rem;
  font-size: 0.62rem;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  pointer-events: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.avail-label {
  right: 0.5rem;
}

.avail-label.available {
  background: rgba(74, 140, 74, 0.75);
  color: #fff;
}

.avail-label.unavailable {
  background: rgba(30, 30, 30, 0.5);
  color: #eee;
}

.cat-label {
  left: 0.5rem;
  background: rgba(250, 249, 247, 0.72);
  color: #5e5047;
}

:root[data-theme="dark"] .cat-label {
  background: rgba(38, 35, 32, 0.72);
  color: #d8cdbf;
}

#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#lightbox.open {
  display: flex;
}

#lightbox img {
  max-width: 92vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
  will-change: transform;
}

#lightbox img.zoom-anim {
  transition: transform 0.22s ease;
}

#lightbox.zoomed img {
  cursor: grab;
}

#lightbox.zoomed.dragging img {
  cursor: grabbing;
}

#lightbox-contact {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 101;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 0.18s ease;
}

#lightbox-contact:hover {
  background: rgba(255, 255, 255, 0.26);
}

#lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  background: rgba(255, 255, 255, 0.14);
  border: none;
  border-radius: 50%;
  opacity: 0.85;
  transition: opacity 0.18s ease, background 0.18s ease;
}

#lightbox-close:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.24);
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 4rem 0;
  font-size: 1rem;
}

@media (max-width: 600px) {
  .gallery {
    columns: 2 140px;
    column-gap: 0.75rem;
  }

  .gallery-item {
    margin-bottom: 0.75rem;
    border-radius: 10px;
  }

  .filters {
    margin-bottom: 1.25rem;
  }
}