/* Gallery Page Styles — School of Hatha Yoga */

/* ── Filter Tabs ─────────────────────────────────── */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  justify-content: center;
  margin-bottom: var(--spacing-10, 2.5rem);
}

.gallery-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  border: 2px solid var(--primary);
  background: transparent;
  color: var(--primary);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.gallery-filter-btn:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.gallery-filter-btn.active {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.3);
}

/* ── Gallery Count Badge ─────────────────────────── */
.gallery-count {
  text-align: center;
  color: var(--dark-soft);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-8);
  min-height: 1.4em;
  transition: opacity 0.25s;
}

/* ── Masonry Grid ────────────────────────────────── */
.gallery-masonry {
  columns: 4 260px;
  column-gap: 14px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 14px;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background-color: var(--dark);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item[data-hidden="true"] {
  display: none;
}

.gallery-item:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-xl);
  z-index: 2;
}

/* ── Gallery Images ──────────────────────────────── */
.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  transition: transform 0.4s ease, filter 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(0.82);
}

/* ── Video Thumbs ────────────────────────────────── */
.gallery-item.is-video {
  background: var(--dark);
}

.gallery-item.is-video video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  pointer-events: none;
  transition: filter 0.3s ease;
}

.gallery-item.is-video:hover video {
  filter: brightness(0.7);
}

/* ── Hover Overlay ───────────────────────────────── */
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  text-align: center;
  pointer-events: none;
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.gallery-item__icon svg {
  width: 22px;
  height: 22px;
}

.gallery-item__label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(var(--primary-rgb), 0.75);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* ── Category Badge ──────────────────────────────── */
.gallery-item__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(var(--primary-rgb), 0.85);
  backdrop-filter: blur(4px);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  pointer-events: none;
}

/* ── Lightbox — native <dialog> ─────────────────────── */

/* CLOSED state: completely out of the way — never block clicks */
dialog.gallery-lightbox {
  border: none;
  padding: 0;
  background: transparent;
  /* Don't set display, position, or z-index here.
     The browser's UA stylesheet handles display:none for closed dialogs.
     Any override here would make the dialog block all page interactions. */
}

/* OPEN state: full-screen overlay */
dialog.gallery-lightbox[open] {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(10, 10, 18, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  max-width: 100vw;
  max-height: 100vh;
  width: 100%;
  height: 100%;
  margin: 0;
  animation: lightbox-in 0.25s ease forwards;
}

@keyframes lightbox-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Native backdrop styling */
dialog.gallery-lightbox::backdrop {
  background: rgba(10, 10, 18, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.gallery-lightbox__inner {
  position: relative;
  max-width: 1100px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: lightbox-scale-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes lightbox-scale-in {
  from { transform: scale(0.88); }
  to   { transform: scale(1); }
}


.gallery-lightbox__media {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
  object-fit: contain;
  display: block;
}

.gallery-lightbox__caption {
  margin-top: 14px;
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-align: center;
}

.gallery-lightbox__close {
  position: fixed;
  top: 20px;
  right: 24px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.25);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  line-height: 1;
  z-index: 3001;
}

.gallery-lightbox__close:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(90deg);
}

/* Nav arrows */
.gallery-lightbox__prev,
.gallery-lightbox__next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.2);
  color: white;
  /* min 44x44px touch target */
  min-width: 48px;
  min-height: 48px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 3001;
}

.gallery-lightbox__prev { left: 16px; }
.gallery-lightbox__next { right: 16px; }

.gallery-lightbox__prev:hover,
.gallery-lightbox__next:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.1);
}

/* ── Stats Bar ───────────────────────────────────── */
.gallery-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-8);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-12);
}

.gallery-stat {
  text-align: center;
}

.gallery-stat__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--primary);
  font-weight: 700;
  display: block;
}

.gallery-stat__label {
  font-size: var(--text-sm);
  color: var(--dark-soft);
}

/* ── Empty State ─────────────────────────────────── */
.gallery-empty {
  text-align: center;
  padding: var(--spacing-16) var(--spacing-4);
  color: var(--dark-soft);
  display: none;
}

.gallery-empty.visible {
  display: block;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .gallery-masonry {
    columns: 2 160px;
    column-gap: 10px;
  }

  .gallery-item {
    margin-bottom: 10px;
  }

  /* Larger tap targets on mobile */
  .gallery-lightbox__close {
    top: 12px;
    right: 12px;
    min-width: 48px;
    min-height: 48px;
  }

  .gallery-lightbox__prev { left: 6px; }
  .gallery-lightbox__next { right: 6px; }
}

@media (max-width: 480px) {
  .gallery-masonry {
    columns: 2 140px;
    column-gap: 8px;
  }

  .gallery-filter-btn {
    padding: 8px 14px;
    font-size: 0.78rem;
    /* Min 44px touch target height */
    min-height: 44px;
  }

  .gallery-stats {
    gap: var(--spacing-6);
  }
}

/* Very small screens — single column */
@media (max-width: 360px) {
  .gallery-masonry {
    columns: 1;
  }
}