/* =====================================================
   GALLERY PAGE styles
   ===================================================== */

/* ---------- Filter Bar ---------- */
.filter-bar {
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 64px;
  z-index: 50;
}
.filter-inner {
  display: flex;
  align-items: center;
  padding-block: 0.9rem;
}
.filter-tabs {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.5rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 2rem;
  color: var(--clr-ink-muted);
  transition: all 0.3s var(--ease-out);
}
.filter-btn:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent-lt);
  background: var(--clr-accent-lt);
}
.filter-btn.active {
  background: var(--clr-ink);
  color: var(--clr-bg);
  border-color: var(--clr-ink);
}

/* ---------- Gallery Grid ---------- */
.gallery-section {
  padding: var(--sp-lg) 0 var(--sp-xl);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

/* ---------- Photo Card ---------- */
.photo-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  transition: box-shadow 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.photo-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.photo-card-btn {
  width: 100%;
  text-align: left;
  display: block;
  cursor: pointer;
  font-family: inherit;
}

/* Image wrapper */
.photo-card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--clr-accent-lt);
}
.photo-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease-out);
}
.photo-card:hover .photo-card-img {
  transform: scale(1.06);
}

/* Hover overlay */
.photo-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28,24,20,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  color: #F9F6F0;
  font-size: 1.4rem;
}
.photo-card:hover .photo-card-overlay { opacity: 1; }

/* Card body */
.photo-card-body {
  padding: 1.3rem 1.4rem 1.6rem;
}
.photo-card-meta {
  margin-bottom: 0.35rem;
}
.photo-card-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 0.6rem;
  transition: color 0.3s;
}
.photo-card:hover .photo-card-title { color: var(--clr-accent); }

.photo-card-caption {
  font-size: 0.875rem;
  color: var(--clr-ink-muted);
  line-height: 1.65;
}

/* Hidden state for filter */
.photo-card.hidden {
  display: none;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox[hidden] { display: none; }

.lightbox-backdrop {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(12,10,7,.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.lightbox-backdrop[hidden] { display: none; }

.lightbox-content {
  position: relative;
  z-index: 201;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(90vw, 1100px);
  max-height: 90svh;
  padding: 0 3.5rem;
}
.lightbox-img {
  max-width: 100%;
  max-height: calc(90svh - 80px);
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.06);
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.lightbox-img.ready {
  opacity: 1;
  transform: scale(1);
}
.lightbox-caption {
  color: rgba(249,246,240,.65);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  margin-top: 1rem;
  text-align: center;
}

/* Nav buttons */
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  z-index: 202;
  background: rgba(249,246,240,.08);
  color: rgba(249,246,240,.8);
  border: 1px solid rgba(249,246,240,.14);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s, color 0.25s;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
  width: 44px; height: 44px;
  font-size: 1rem;
}
.lightbox-prev {
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  font-size: 1rem;
}
.lightbox-next {
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  font-size: 1rem;
}

@media (max-width: 600px) {
  .lightbox-content { padding: 0 1rem; }
  .lightbox-prev { left: 0.3rem; }
  .lightbox-next { right: 0.3rem; }
  .gallery-grid { grid-template-columns: 1fr; }
}